diff --git a/app/Constants.php b/app/Constants.php
index 39d87afadd..aa7fd809de 100644
--- a/app/Constants.php
+++ b/app/Constants.php
@@ -42,6 +42,10 @@ if (! defined('APP_NAME')) {
define('ENTITY_RECURRING_EXPENSE', 'recurring_expense');
define('ENTITY_CUSTOMER', 'customer');
define('ENTITY_SUBSCRIPTION', 'subscription');
+ define('ENTITY_PROPOSAL', 'proposal');
+ define('ENTITY_PROPOSAL_TEMPLATE', 'proposal_template');
+ define('ENTITY_PROPOSAL_SNIPPET', 'proposal_snippet');
+ define('ENTITY_PROPOSAL_CATEGORY', 'proposal_category');
define('INVOICE_TYPE_STANDARD', 1);
define('INVOICE_TYPE_QUOTE', 2);
diff --git a/app/Http/Controllers/ProposalController.php b/app/Http/Controllers/ProposalController.php
new file mode 100644
index 0000000000..cc76d4b9a6
--- /dev/null
+++ b/app/Http/Controllers/ProposalController.php
@@ -0,0 +1,144 @@
+proposalRepo = $proposalRepo;
+ $this->proposalService = $proposalService;
+ }
+ */
+
+ /**
+ * Display a listing of the resource.
+ *
+ * @return Response
+ */
+ public function index()
+ {
+ return View::make('list_wrapper', [
+ 'entityType' => ENTITY_PROPOSAL,
+ 'datatable' => new ProposalDatatable(),
+ 'title' => trans('texts.proposals'),
+ ]);
+ }
+
+ public function getDatatable($expensePublicId = null)
+ {
+ $search = Input::get('sSearch');
+ $userId = Auth::user()->filterId();
+
+ return $this->proposalService->getDatatable($search, $userId);
+ }
+
+ /*
+ public function show(ProposalRequest $request)
+ {
+ $account = auth()->user()->account;
+ $proposal = $request->entity();
+
+ $data = [
+ 'account' => auth()->user()->account,
+ 'proposal' => $proposal,
+ 'title' => trans('texts.view_proposal'),
+ 'showBreadcrumbs' => false,
+ ];
+
+ return View::make('proposals.show', $data);
+ }
+ */
+
+ public function create(ProposalRequest $request)
+ {
+ $data = [
+ 'account' => auth()->user()->account,
+ 'proposal' => null,
+ 'method' => 'POST',
+ 'url' => 'proposals',
+ 'title' => trans('texts.new_proposal'),
+ 'quotes' => Invoice::scope()->with('client.contacts')->quotes()->orderBy('id')->get(),
+ 'templates' => ProposalTemplate::scope()->orderBy('name')->get(),
+ 'quotePublicId' => $request->quote_id,
+ ];
+
+ return View::make('proposals.edit', $data);
+ }
+
+ public function edit(ProposalRequest $request)
+ {
+ $proposal = $request->entity();
+
+ $data = [
+ 'account' => auth()->user()->account,
+ 'proposal' => $proposal,
+ 'method' => 'PUT',
+ 'url' => 'proposals/' . $proposal->public_id,
+ 'title' => trans('texts.edit_proposal'),
+ 'clients' => Client::scope()->with('contacts')->orderBy('name')->get(),
+ 'clientPublicId' => $proposal->client ? $proposal->client->public_id : null,
+ ];
+
+ return View::make('proposals.edit', $data);
+ }
+
+ public function store(CreateProposalRequest $request)
+ {
+ $proposal = $this->proposalService->save($request->input());
+
+ Session::flash('message', trans('texts.created_proposal'));
+
+ return redirect()->to($proposal->getRoute());
+ }
+
+ public function update(UpdateProposalRequest $request)
+ {
+ $proposal = $this->proposalService->save($request->input(), $request->entity());
+
+ Session::flash('message', trans('texts.updated_proposal'));
+
+ $action = Input::get('action');
+ if (in_array($action, ['archive', 'delete', 'restore'])) {
+ return self::bulk();
+ }
+
+ return redirect()->to($proposal->getRoute());
+ }
+
+ public function bulk()
+ {
+ $action = Input::get('action');
+ $ids = Input::get('public_id') ? Input::get('public_id') : Input::get('ids');
+
+ $count = $this->proposalService->bulk($ids, $action);
+
+ if ($count > 0) {
+ $field = $count == 1 ? "{$action}d_proposal" : "{$action}d_proposals";
+ $message = trans("texts.$field", ['count' => $count]);
+ Session::flash('message', $message);
+ }
+
+ return redirect()->to('/proposals');
+ }
+}
diff --git a/app/Http/Requests/ProposalRequest.php b/app/Http/Requests/ProposalRequest.php
new file mode 100644
index 0000000000..043a133088
--- /dev/null
+++ b/app/Http/Requests/ProposalRequest.php
@@ -0,0 +1,8 @@
+ 'files-o',
'credits' => 'credit-card',
'quotes' => 'file-text-o',
+ 'proposals' => 'tasks',
'tasks' => 'clock-o',
'expenses' => 'file-image-o',
'vendors' => 'building',
diff --git a/app/Models/Proposal.php b/app/Models/Proposal.php
new file mode 100644
index 0000000000..aa5d77c416
--- /dev/null
+++ b/app/Models/Proposal.php
@@ -0,0 +1,76 @@
+public_id}";
+ }
+
+ /**
+ * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+ */
+ public function account()
+ {
+ return $this->belongsTo('App\Models\Account');
+ }
+
+ /**
+ * @return mixed
+ */
+ public function quote()
+ {
+ return $this->belongsTo('App\Models\Invoice')->withTrashed();
+ }
+
+ public function getDisplayName()
+ {
+ return 'TODO';
+ }
+}
+
+Proposal::creating(function ($project) {
+ $project->setNullValues();
+});
+
+Proposal::updating(function ($project) {
+ $project->setNullValues();
+});
diff --git a/app/Models/ProposalCategory.php b/app/Models/ProposalCategory.php
new file mode 100644
index 0000000000..2da4dda242
--- /dev/null
+++ b/app/Models/ProposalCategory.php
@@ -0,0 +1,70 @@
+public_id}";
+ }
+
+ /**
+ * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+ */
+ public function account()
+ {
+ return $this->belongsTo('App\Models\Account');
+ }
+
+ public function getDisplayName()
+ {
+ return $this->name;
+ }
+}
+
+/*
+Proposal::creating(function ($project) {
+ $project->setNullValues();
+});
+
+Proposal::updating(function ($project) {
+ $project->setNullValues();
+});
+*/
diff --git a/app/Models/ProposalSnippet.php b/app/Models/ProposalSnippet.php
new file mode 100644
index 0000000000..8bd50d6cb2
--- /dev/null
+++ b/app/Models/ProposalSnippet.php
@@ -0,0 +1,70 @@
+public_id}";
+ }
+
+ /**
+ * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+ */
+ public function account()
+ {
+ return $this->belongsTo('App\Models\Account');
+ }
+
+ public function getDisplayName()
+ {
+ return $this->name;
+ }
+}
+
+/*
+Proposal::creating(function ($project) {
+ $project->setNullValues();
+});
+
+Proposal::updating(function ($project) {
+ $project->setNullValues();
+});
+*/
diff --git a/app/Models/ProposalTemplate.php b/app/Models/ProposalTemplate.php
new file mode 100644
index 0000000000..34dbe0e3dd
--- /dev/null
+++ b/app/Models/ProposalTemplate.php
@@ -0,0 +1,70 @@
+public_id}";
+ }
+
+ /**
+ * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+ */
+ public function account()
+ {
+ return $this->belongsTo('App\Models\Account');
+ }
+
+ public function getDisplayName()
+ {
+ return $this->name;
+ }
+}
+
+/*
+Proposal::creating(function ($project) {
+ $project->setNullValues();
+});
+
+Proposal::updating(function ($project) {
+ $project->setNullValues();
+});
+*/
diff --git a/app/Ninja/Datatables/ProposalCategoryDatatable.php b/app/Ninja/Datatables/ProposalCategoryDatatable.php
new file mode 100644
index 0000000000..39e0914a35
--- /dev/null
+++ b/app/Ninja/Datatables/ProposalCategoryDatatable.php
@@ -0,0 +1,40 @@
+name;
+ },
+ ],
+ ];
+ }
+
+ public function actions()
+ {
+ return [
+ [
+ trans('texts.edit_category'),
+ function ($model) {
+ return URL::to("proposal_categories/{$model->public_id}/edit");
+ },
+ function ($model) {
+ return Auth::user()->can('editByOwner', [ENTITY_PROPOSAL_CATEGORY, $model->user_id]);
+ },
+ ],
+ ];
+ }
+}
diff --git a/app/Ninja/Datatables/ProposalDatatable.php b/app/Ninja/Datatables/ProposalDatatable.php
new file mode 100644
index 0000000000..8889893c1c
--- /dev/null
+++ b/app/Ninja/Datatables/ProposalDatatable.php
@@ -0,0 +1,64 @@
+can('viewByOwner', [ENTITY_QUOTE, $model->user_id])) {
+ return $model->quote_number;
+ }
+
+ return link_to("quotes/{$model->quote_public_id}", $model->quote_number)->toHtml();
+ //$str = link_to("quotes/{$model->quote_public_id}", $model->quote_number)->toHtml();
+ //return $this->addNote($str, $model->private_notes);
+ },
+ ],
+ [
+ 'template',
+ function ($model) {
+ return $model->template_name;
+ },
+ ],
+ [
+ 'created',
+ function ($model) {
+ return Utils::fromSqlDate($model->created_at);
+ },
+ ],
+ [
+ 'valid_until',
+ function ($model) {
+ return Utils::fromSqlDate($model->due_date);
+ },
+ ],
+ ];
+ }
+
+ public function actions()
+ {
+ return [
+ [
+ trans('texts.edit_proposal'),
+ function ($model) {
+ return URL::to("proposals/{$model->public_id}/edit");
+ },
+ function ($model) {
+ return Auth::user()->can('editByOwner', [ENTITY_PROPOSAL, $model->user_id]);
+ },
+ ],
+ ];
+ }
+}
diff --git a/app/Ninja/Datatables/ProposalSnippetDatatable.php b/app/Ninja/Datatables/ProposalSnippetDatatable.php
new file mode 100644
index 0000000000..ce7af7704d
--- /dev/null
+++ b/app/Ninja/Datatables/ProposalSnippetDatatable.php
@@ -0,0 +1,46 @@
+can('editByOwner', [ENTITY_PROPOSAL_SNIPPET, $model->user_id])) {
+ return $model->name;
+ }
+
+ return link_to("proposal_snippets/{$model->public_id}", $model->name)->toHtml();
+ //$str = link_to("quotes/{$model->quote_public_id}", $model->quote_number)->toHtml();
+ //return $this->addNote($str, $model->private_notes);
+ },
+ ],
+ ];
+ }
+
+ public function actions()
+ {
+ return [
+ [
+ trans('texts.edit_snippet'),
+ function ($model) {
+ return URL::to("proposals_snippets/{$model->public_id}/edit");
+ },
+ function ($model) {
+ return Auth::user()->can('editByOwner', [ENTITY_PROPOSAL_SNIPPET, $model->user_id]);
+ },
+ ],
+ ];
+ }
+}
diff --git a/app/Ninja/Datatables/ProposalTemplateDatatable.php b/app/Ninja/Datatables/ProposalTemplateDatatable.php
new file mode 100644
index 0000000000..6189c801c9
--- /dev/null
+++ b/app/Ninja/Datatables/ProposalTemplateDatatable.php
@@ -0,0 +1,46 @@
+can('editByOwner', [ENTITY_PROPOSAL_TEMPLATE, $model->user_id])) {
+ return $model->name;
+ }
+
+ return link_to("proposal_templates/{$model->public_id}", $model->name)->toHtml();
+ //$str = link_to("quotes/{$model->quote_public_id}", $model->quote_number)->toHtml();
+ //return $this->addNote($str, $model->private_notes);
+ },
+ ],
+ ];
+ }
+
+ public function actions()
+ {
+ return [
+ [
+ trans('texts.edit_template'),
+ function ($model) {
+ return URL::to("proposal_templates/{$model->public_id}/edit");
+ },
+ function ($model) {
+ return Auth::user()->can('editByOwner', [ENTITY_PROPOSAL_TEMPLATE, $model->user_id]);
+ },
+ ],
+ ];
+ }
+}
diff --git a/app/Policies/ProposalCategoryPolicy.php b/app/Policies/ProposalCategoryPolicy.php
new file mode 100644
index 0000000000..4d89178ead
--- /dev/null
+++ b/app/Policies/ProposalCategoryPolicy.php
@@ -0,0 +1,7 @@
+ \App\Policies\PaymentTermPolicy::class,
\App\Models\Project::class => \App\Policies\ProjectPolicy::class,
\App\Models\AccountGatewayToken::class => \App\Policies\CustomerPolicy::class,
+ \App\Models\Proposal::class => \App\Policies\Proposal::class,
+ \App\Models\ProposalSnippet::class => \App\Policies\ProposalSnippet::class,
+ \App\Models\ProposalTemplate::class => \App\Policies\ProposalTemplate::class,
+ \App\Models\ProposalCategory::class => \App\Policies\ProposalCategory::class,
];
/**
diff --git a/bower.json b/bower.json
index 5b9c049bb8..f8330738a1 100644
--- a/bower.json
+++ b/bower.json
@@ -40,7 +40,8 @@
"toastr": "^2.1.3",
"jt.timepicker": "jquery-timepicker-jt#^1.11.12",
"qrcode.js": "qrcode-js#*",
- "money.js": "^0.1.3"
+ "money.js": "^0.1.3",
+ "grapesjs": "^0.13.8"
},
"resolutions": {
"jquery": "~1.11"
diff --git a/database/migrations/2013_11_05_180133_confide_setup_users_table.php b/database/migrations/2013_11_05_180133_confide_setup_users_table.php
index f89e00e2f7..00da547759 100644
--- a/database/migrations/2013_11_05_180133_confide_setup_users_table.php
+++ b/database/migrations/2013_11_05_180133_confide_setup_users_table.php
@@ -338,7 +338,6 @@ class ConfideSetupUsersTable extends Migration
$t->timestamp('viewed_date')->nullable();
$t->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
- ;
$t->foreign('contact_id')->references('id')->on('contacts')->onDelete('cascade');
$t->foreign('invoice_id')->references('id')->on('invoices')->onDelete('cascade');
diff --git a/database/migrations/2018_01_10_073825_add_subscription_format.php b/database/migrations/2018_01_10_073825_add_subscription_format.php
index 3b8d77ea17..7f1bc5bfd3 100644
--- a/database/migrations/2018_01_10_073825_add_subscription_format.php
+++ b/database/migrations/2018_01_10_073825_add_subscription_format.php
@@ -20,6 +20,83 @@ class AddSubscriptionFormat extends Migration
Schema::table('accounts', function ($table) {
$table->boolean('ubl_email_attachment')->default(false);
});
+
+ Schema::create('proposal_categories', function ($table) {
+ $table->increments('id');
+ $table->unsignedInteger('account_id');
+ $table->unsignedInteger('user_id');
+ $table->timestamps();
+ $table->softDeletes();
+
+ $table->string('name');
+
+ $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
+ $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+
+ $table->unsignedInteger('public_id')->index();
+ $table->unique(['account_id', 'public_id']);
+ });
+
+ Schema::create('proposal_snippets', function ($table) {
+ $table->increments('id');
+ $table->unsignedInteger('account_id');
+ $table->unsignedInteger('user_id');
+ $table->timestamps();
+ $table->softDeletes();
+
+ $table->unsignedInteger('proposal_category_id');
+ $table->string('name');
+
+ $table->mediumText('html');
+ $table->mediumText('css');
+
+ $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
+ $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+
+ $table->unsignedInteger('public_id')->index();
+ $table->unique(['account_id', 'public_id']);
+ });
+
+ Schema::create('proposal_templates', function ($table) {
+ $table->increments('id');
+ $table->unsignedInteger('account_id');
+ $table->unsignedInteger('user_id');
+ $table->timestamps();
+ $table->softDeletes();
+
+ $table->string('name');
+ $table->text('tags');
+ $table->mediumText('html');
+ $table->mediumText('css');
+
+ $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
+ $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+
+ $table->unsignedInteger('public_id')->index();
+ $table->unique(['account_id', 'public_id']);
+ });
+
+ Schema::create('proposals', function ($table) {
+ $table->increments('id');
+ $table->unsignedInteger('account_id');
+ $table->unsignedInteger('user_id');
+ $table->timestamps();
+ $table->softDeletes();
+
+ $table->unsignedInteger('quote_id')->index();
+ $table->unsignedInteger('temlate_id')->index();
+ $table->mediumText('html');
+ $table->mediumText('css');
+
+ $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
+ $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+ $table->foreign('quote_id')->references('id')->on('invoices')->onDelete('cascade');
+ $table->foreign('temlate_id')->references('id')->on('proposal_templates')->onDelete('cascade');
+
+ $table->unsignedInteger('public_id')->index();
+ $table->unique(['account_id', 'public_id']);
+ });
+
}
/**
@@ -36,5 +113,10 @@ class AddSubscriptionFormat extends Migration
Schema::table('accounts', function ($table) {
$table->dropColumn('ubl_email_attachment');
});
+
+ Schema::dropIfExists('proposals');
+ Schema::dropIfExists('proposal_templates');
+ Schema::dropIfExists('proposal_snippets');
+ Schema::dropIfExists('proposal_categories');
}
}
diff --git a/gulpfile.js b/gulpfile.js
index 5acd8e41c9..87fdc04d2d 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -67,6 +67,11 @@ elixir(function(mix) {
bowerDir + '/bootstrap-daterangepicker/daterangepicker.css'
], 'public/css/daterangepicker.css');
+ mix.styles([
+ bowerDir + '/grapesjs/dist/css/grapes.min.css',
+ //'grapesjs-preset-newsletter.css',
+ ], 'public/css/grapesjs.css');
+
mix.styles([
bowerDir + '/jt.timepicker/jquery.timepicker.css'
], 'public/css/jquery.timepicker.css');
@@ -103,6 +108,12 @@ elixir(function(mix) {
bowerDir + '/bootstrap-daterangepicker/daterangepicker.js'
], 'public/js/daterangepicker.min.js');
+ mix.scripts([
+ bowerDir + '/grapesjs/dist/grapes.js',
+ 'grapesjs-blocks-basic.min.js',
+ 'grapesjs-preset-newsletter.min.js',
+ ], 'public/js/grapesjs.min.js');
+
mix.scripts([
bowerDir + '/jt.timepicker/jquery.timepicker.js'
], 'public/js/jquery.timepicker.js');
diff --git a/public/css/grapes.css b/public/css/grapes.css
new file mode 100644
index 0000000000..1b201eef39
--- /dev/null
+++ b/public/css/grapes.css
@@ -0,0 +1,6 @@
+.sp-container{position:absolute;top:0;left:0;display:inline-block;*display:inline;*zoom:1;z-index:9999994;overflow:hidden}.sp-container.sp-flat{position:relative}.sp-container,.sp-container *{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}.sp-top{position:relative;width:100%;display:inline-block}.sp-top-inner{position:absolute;top:0;left:0;bottom:0;right:0}.sp-color{position:absolute;top:0;left:0;bottom:0;right:20%}.sp-hue{position:absolute;top:0;right:0;bottom:0;left:84%;height:100%}.sp-clear-enabled .sp-hue{top:33px;height:77.5%}.sp-fill{padding-top:80%}.sp-sat,.sp-val{position:absolute;top:0;left:0;right:0;bottom:0}.sp-alpha-enabled .sp-top{margin-bottom:18px}.sp-alpha-enabled .sp-alpha{display:block}.sp-alpha-handle{position:absolute;top:-4px;bottom:-4px;width:6px;left:50%;cursor:pointer;border:1px solid black;background:white;opacity:.8}.sp-alpha{display:none;position:absolute;bottom:-14px;right:0;left:0;height:8px}.sp-alpha-inner{border:solid 1px #333}.sp-clear{display:none}.sp-clear.sp-clear-display{background-position:center}.sp-clear-enabled .sp-clear{display:block;position:absolute;top:0px;right:0;bottom:0;left:84%;height:28px}.sp-container,.sp-replacer,.sp-preview,.sp-dragger,.sp-slider,.sp-alpha,.sp-clear,.sp-alpha-handle,.sp-container.sp-dragging .sp-input,.sp-container button{-webkit-user-select:none;-moz-user-select:-moz-none;-o-user-select:none;user-select:none}.sp-container.sp-input-disabled .sp-input-container{display:none}.sp-container.sp-buttons-disabled .sp-button-container{display:none}.sp-container.sp-palette-buttons-disabled .sp-palette-button-container{display:none}.sp-palette-only .sp-picker-container{display:none}.sp-palette-disabled .sp-palette-container{display:none}.sp-initial-disabled .sp-initial{display:none}.sp-sat{background-image:-webkit-gradient(linear, 0 0, 100% 0, from(#fff), to(rgba(204,154,129,0)));background-image:-webkit-linear-gradient(left, #fff, 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diff --git a/public/css/grapes.css.map b/public/css/grapes.css.map
new file mode 100644
index 0000000000..126a5b3a4b
--- /dev/null
+++ b/public/css/grapes.css.map
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diff --git a/public/css/grapesjs.css.map b/public/css/grapesjs.css.map
new file mode 100644
index 0000000000..a424ff1780
--- /dev/null
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+ // Export global even in AMD case in case this script is loaded with
+ // others that may still expect a global Backbone.
+ root.Backbone = factory(root, exports, _, $);
+ }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+
+ // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+ } else if (typeof exports !== 'undefined') {
+ var _ = require('underscore'), $;
+ try { $ = require('jquery'); } catch (e) {}
+ factory(root, exports, _, $);
+
+ // Finally, as a browser global.
+ } else {
+ root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
+ }
+
+})(function(root, Backbone, _, $) {
+
+ // Initial Setup
+ // -------------
+
+ // Save the previous value of the `Backbone` variable, so that it can be
+ // restored later on, if `noConflict` is used.
+ var previousBackbone = root.Backbone;
+
+ // Create a local reference to a common array method we'll want to use later.
+ var slice = Array.prototype.slice;
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '1.3.3';
+
+ // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+ // the `$` variable.
+ Backbone.$ = $;
+
+ // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+ // to its previous owner. Returns a reference to this Backbone object.
+ Backbone.noConflict = function() {
+ root.Backbone = previousBackbone;
+ return this;
+ };
+
+ // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+ // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+ // set a `X-Http-Method-Override` header.
+ Backbone.emulateHTTP = false;
+
+ // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+ // `application/json` requests ... this will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
+
+ // Proxy Backbone class methods to Underscore functions, wrapping the model's
+ // `attributes` object or collection's `models` array behind the scenes.
+ //
+ // collection.filter(function(model) { return model.get('age') > 10 });
+ // collection.each(this.addView);
+ //
+ // `Function#apply` can be slow so we use the method's arg count, if we know it.
+ var addMethod = function(length, method, attribute) {
+ switch (length) {
+ case 1: return function() {
+ return _[method](this[attribute]);
+ };
+ case 2: return function(value) {
+ return _[method](this[attribute], value);
+ };
+ case 3: return function(iteratee, context) {
+ return _[method](this[attribute], cb(iteratee, this), context);
+ };
+ case 4: return function(iteratee, defaultVal, context) {
+ return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
+ };
+ default: return function() {
+ var args = slice.call(arguments);
+ args.unshift(this[attribute]);
+ return _[method].apply(_, args);
+ };
+ }
+ };
+ var addUnderscoreMethods = function(Class, methods, attribute) {
+ _.each(methods, function(length, method) {
+ if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
+ });
+ };
+
+ // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
+ var cb = function(iteratee, instance) {
+ if (_.isFunction(iteratee)) return iteratee;
+ if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
+ if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
+ return iteratee;
+ };
+ var modelMatcher = function(attrs) {
+ var matcher = _.matches(attrs);
+ return function(model) {
+ return matcher(model.attributes);
+ };
+ };
+
+ // Backbone.Events
+ // ---------------
+
+ // A module that can be mixed in to *any object* in order to provide it with
+ // a custom event channel. You may bind a callback to an event with `on` or
+ // remove with `off`; `trigger`-ing an event fires all callbacks in
+ // succession.
+ //
+ // var object = {};
+ // _.extend(object, Backbone.Events);
+ // object.on('expand', function(){ alert('expanded'); });
+ // object.trigger('expand');
+ //
+ var Events = Backbone.Events = {};
+
+ // Regular expression used to split event strings.
+ var eventSplitter = /\s+/;
+
+ // Iterates over the standard `event, callback` (as well as the fancy multiple
+ // space-separated events `"change blur", callback` and jQuery-style event
+ // maps `{event: callback}`).
+ var eventsApi = function(iteratee, events, name, callback, opts) {
+ var i = 0, names;
+ if (name && typeof name === 'object') {
+ // Handle event maps.
+ if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
+ for (names = _.keys(name); i < names.length ; i++) {
+ events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
+ }
+ } else if (name && eventSplitter.test(name)) {
+ // Handle space-separated event names by delegating them individually.
+ for (names = name.split(eventSplitter); i < names.length; i++) {
+ events = iteratee(events, names[i], callback, opts);
+ }
+ } else {
+ // Finally, standard events.
+ events = iteratee(events, name, callback, opts);
+ }
+ return events;
+ };
+
+ // Bind an event to a `callback` function. Passing `"all"` will bind
+ // the callback to all events fired.
+ Events.on = function(name, callback, context) {
+ return internalOn(this, name, callback, context);
+ };
+
+ // Guard the `listening` argument from the public API.
+ var internalOn = function(obj, name, callback, context, listening) {
+ obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
+ context: context,
+ ctx: obj,
+ listening: listening
+ });
+
+ if (listening) {
+ var listeners = obj._listeners || (obj._listeners = {});
+ listeners[listening.id] = listening;
+ }
+
+ return obj;
+ };
+
+ // Inversion-of-control versions of `on`. Tell *this* object to listen to
+ // an event in another object... keeping track of what it's listening to
+ // for easier unbinding later.
+ Events.listenTo = function(obj, name, callback) {
+ if (!obj) return this;
+ var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+ var listeningTo = this._listeningTo || (this._listeningTo = {});
+ var listening = listeningTo[id];
+
+ // This object is not listening to any other events on `obj` yet.
+ // Setup the necessary references to track the listening callbacks.
+ if (!listening) {
+ var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
+ listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
+ }
+
+ // Bind callbacks on obj, and keep track of them on listening.
+ internalOn(obj, name, callback, this, listening);
+ return this;
+ };
+
+ // The reducing API that adds a callback to the `events` object.
+ var onApi = function(events, name, callback, options) {
+ if (callback) {
+ var handlers = events[name] || (events[name] = []);
+ var context = options.context, ctx = options.ctx, listening = options.listening;
+ if (listening) listening.count++;
+
+ handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
+ }
+ return events;
+ };
+
+ // Remove one or many callbacks. If `context` is null, removes all
+ // callbacks with that function. If `callback` is null, removes all
+ // callbacks for the event. If `name` is null, removes all bound
+ // callbacks for all events.
+ Events.off = function(name, callback, context) {
+ if (!this._events) return this;
+ this._events = eventsApi(offApi, this._events, name, callback, {
+ context: context,
+ listeners: this._listeners
+ });
+ return this;
+ };
+
+ // Tell this object to stop listening to either specific events ... or
+ // to every object it's currently listening to.
+ Events.stopListening = function(obj, name, callback) {
+ var listeningTo = this._listeningTo;
+ if (!listeningTo) return this;
+
+ var ids = obj ? [obj._listenId] : _.keys(listeningTo);
+
+ for (var i = 0; i < ids.length; i++) {
+ var listening = listeningTo[ids[i]];
+
+ // If listening doesn't exist, this object is not currently
+ // listening to obj. Break out early.
+ if (!listening) break;
+
+ listening.obj.off(name, callback, this);
+ }
+
+ return this;
+ };
+
+ // The reducing API that removes a callback from the `events` object.
+ var offApi = function(events, name, callback, options) {
+ if (!events) return;
+
+ var i = 0, listening;
+ var context = options.context, listeners = options.listeners;
+
+ // Delete all events listeners and "drop" events.
+ if (!name && !callback && !context) {
+ var ids = _.keys(listeners);
+ for (; i < ids.length; i++) {
+ listening = listeners[ids[i]];
+ delete listeners[listening.id];
+ delete listening.listeningTo[listening.objId];
+ }
+ return;
+ }
+
+ var names = name ? [name] : _.keys(events);
+ for (; i < names.length; i++) {
+ name = names[i];
+ var handlers = events[name];
+
+ // Bail out if there are no events stored.
+ if (!handlers) break;
+
+ // Replace events if there are any remaining. Otherwise, clean up.
+ var remaining = [];
+ for (var j = 0; j < handlers.length; j++) {
+ var handler = handlers[j];
+ if (
+ callback && callback !== handler.callback &&
+ callback !== handler.callback._callback ||
+ context && context !== handler.context
+ ) {
+ remaining.push(handler);
+ } else {
+ listening = handler.listening;
+ if (listening && --listening.count === 0) {
+ delete listeners[listening.id];
+ delete listening.listeningTo[listening.objId];
+ }
+ }
+ }
+
+ // Update tail event if the list has any events. Otherwise, clean up.
+ if (remaining.length) {
+ events[name] = remaining;
+ } else {
+ delete events[name];
+ }
+ }
+ return events;
+ };
+
+ // Bind an event to only be triggered a single time. After the first time
+ // the callback is invoked, its listener will be removed. If multiple events
+ // are passed in using the space-separated syntax, the handler will fire
+ // once for each event, not once for a combination of all events.
+ Events.once = function(name, callback, context) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
+ if (typeof name === 'string' && context == null) callback = void 0;
+ return this.on(events, callback, context);
+ };
+
+ // Inversion-of-control versions of `once`.
+ Events.listenToOnce = function(obj, name, callback) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
+ return this.listenTo(obj, events);
+ };
+
+ // Reduces the event callbacks into a map of `{event: onceWrapper}`.
+ // `offer` unbinds the `onceWrapper` after it has been called.
+ var onceMap = function(map, name, callback, offer) {
+ if (callback) {
+ var once = map[name] = _.once(function() {
+ offer(name, once);
+ callback.apply(this, arguments);
+ });
+ once._callback = callback;
+ }
+ return map;
+ };
+
+ // Trigger one or many events, firing all bound callbacks. Callbacks are
+ // passed the same arguments as `trigger` is, apart from the event name
+ // (unless you're listening on `"all"`, which will cause your callback to
+ // receive the true name of the event as the first argument).
+ Events.trigger = function(name) {
+ if (!this._events) return this;
+
+ var length = Math.max(0, arguments.length - 1);
+ var args = Array(length);
+ for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
+
+ eventsApi(triggerApi, this._events, name, void 0, args);
+ return this;
+ };
+
+ // Handles triggering the appropriate event callbacks.
+ var triggerApi = function(objEvents, name, callback, args) {
+ if (objEvents) {
+ var events = objEvents[name];
+ var allEvents = objEvents.all;
+ if (events && allEvents) allEvents = allEvents.slice();
+ if (events) triggerEvents(events, args);
+ if (allEvents) triggerEvents(allEvents, [name].concat(args));
+ }
+ return objEvents;
+ };
+
+ // A difficult-to-believe, but optimized internal dispatch function for
+ // triggering events. Tries to keep the usual cases speedy (most internal
+ // Backbone events have 3 arguments).
+ var triggerEvents = function(events, args) {
+ var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+ switch (args.length) {
+ case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+ case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+ case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+ case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+ default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
+ }
+ };
+
+ // Aliases for backwards compatibility.
+ Events.bind = Events.on;
+ Events.unbind = Events.off;
+
+ // Allow the `Backbone` object to serve as a global event bus, for folks who
+ // want global "pubsub" in a convenient place.
+ _.extend(Backbone, Events);
+
+ // Backbone.Model
+ // --------------
+
+ // Backbone **Models** are the basic data object in the framework --
+ // frequently representing a row in a table in a database on your server.
+ // A discrete chunk of data and a bunch of useful, related methods for
+ // performing computations and transformations on that data.
+
+ // Create a new model with the specified attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ var Model = Backbone.Model = function(attributes, options) {
+ var attrs = attributes || {};
+ options || (options = {});
+ this.cid = _.uniqueId(this.cidPrefix);
+ this.attributes = {};
+ if (options.collection) this.collection = options.collection;
+ if (options.parse) attrs = this.parse(attrs, options) || {};
+ var defaults = _.result(this, 'defaults');
+ attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
+ this.set(attrs, options);
+ this.changed = {};
+ this.initialize.apply(this, arguments);
+ };
+
+ // Attach all inheritable methods to the Model prototype.
+ _.extend(Model.prototype, Events, {
+
+ // A hash of attributes whose current and previous value differ.
+ changed: null,
+
+ // The value returned during the last failed validation.
+ validationError: null,
+
+ // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+ // CouchDB users may want to set this to `"_id"`.
+ idAttribute: 'id',
+
+ // The prefix is used to create the client id which is used to identify models locally.
+ // You may want to override this if you're experiencing name clashes with model ids.
+ cidPrefix: 'c',
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Return a copy of the model's `attributes` object.
+ toJSON: function(options) {
+ return _.clone(this.attributes);
+ },
+
+ // Proxy `Backbone.sync` by default -- but override this if you need
+ // custom syncing semantics for *this* particular model.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Get the value of an attribute.
+ get: function(attr) {
+ return this.attributes[attr];
+ },
+
+ // Get the HTML-escaped value of an attribute.
+ escape: function(attr) {
+ return _.escape(this.get(attr));
+ },
+
+ // Returns `true` if the attribute contains a value that is not null
+ // or undefined.
+ has: function(attr) {
+ return this.get(attr) != null;
+ },
+
+ // Special-cased proxy to underscore's `_.matches` method.
+ matches: function(attrs) {
+ return !!_.iteratee(attrs, this)(this.attributes);
+ },
+
+ // Set a hash of model attributes on the object, firing `"change"`. This is
+ // the core primitive operation of a model, updating the data and notifying
+ // anyone who needs to know about the change in state. The heart of the beast.
+ set: function(key, val, options) {
+ if (key == null) return this;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ if (typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options || (options = {});
+
+ // Run validation.
+ if (!this._validate(attrs, options)) return false;
+
+ // Extract attributes and options.
+ var unset = options.unset;
+ var silent = options.silent;
+ var changes = [];
+ var changing = this._changing;
+ this._changing = true;
+
+ if (!changing) {
+ this._previousAttributes = _.clone(this.attributes);
+ this.changed = {};
+ }
+
+ var current = this.attributes;
+ var changed = this.changed;
+ var prev = this._previousAttributes;
+
+ // For each `set` attribute, update or delete the current value.
+ for (var attr in attrs) {
+ val = attrs[attr];
+ if (!_.isEqual(current[attr], val)) changes.push(attr);
+ if (!_.isEqual(prev[attr], val)) {
+ changed[attr] = val;
+ } else {
+ delete changed[attr];
+ }
+ unset ? delete current[attr] : current[attr] = val;
+ }
+
+ // Update the `id`.
+ if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
+
+ // Trigger all relevant attribute changes.
+ if (!silent) {
+ if (changes.length) this._pending = options;
+ for (var i = 0; i < changes.length; i++) {
+ this.trigger('change:' + changes[i], this, current[changes[i]], options);
+ }
+ }
+
+ // You might be wondering why there's a `while` loop here. Changes can
+ // be recursively nested within `"change"` events.
+ if (changing) return this;
+ if (!silent) {
+ while (this._pending) {
+ options = this._pending;
+ this._pending = false;
+ this.trigger('change', this, options);
+ }
+ }
+ this._pending = false;
+ this._changing = false;
+ return this;
+ },
+
+ // Remove an attribute from the model, firing `"change"`. `unset` is a noop
+ // if the attribute doesn't exist.
+ unset: function(attr, options) {
+ return this.set(attr, void 0, _.extend({}, options, {unset: true}));
+ },
+
+ // Clear all attributes on the model, firing `"change"`.
+ clear: function(options) {
+ var attrs = {};
+ for (var key in this.attributes) attrs[key] = void 0;
+ return this.set(attrs, _.extend({}, options, {unset: true}));
+ },
+
+ // Determine if the model has changed since the last `"change"` event.
+ // If you specify an attribute name, determine if that attribute has changed.
+ hasChanged: function(attr) {
+ if (attr == null) return !_.isEmpty(this.changed);
+ return _.has(this.changed, attr);
+ },
+
+ // Return an object containing all the attributes that have changed, or
+ // false if there are no changed attributes. Useful for determining what
+ // parts of a view need to be updated and/or what attributes need to be
+ // persisted to the server. Unset attributes will be set to undefined.
+ // You can also pass an attributes object to diff against the model,
+ // determining if there *would be* a change.
+ changedAttributes: function(diff) {
+ if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+ var old = this._changing ? this._previousAttributes : this.attributes;
+ var changed = {};
+ for (var attr in diff) {
+ var val = diff[attr];
+ if (_.isEqual(old[attr], val)) continue;
+ changed[attr] = val;
+ }
+ return _.size(changed) ? changed : false;
+ },
+
+ // Get the previous value of an attribute, recorded at the time the last
+ // `"change"` event was fired.
+ previous: function(attr) {
+ if (attr == null || !this._previousAttributes) return null;
+ return this._previousAttributes[attr];
+ },
+
+ // Get all of the attributes of the model at the time of the previous
+ // `"change"` event.
+ previousAttributes: function() {
+ return _.clone(this._previousAttributes);
+ },
+
+ // Fetch the model from the server, merging the response with the model's
+ // local attributes. Any changed attributes will trigger a "change" event.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (!model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // Set a hash of model attributes, and sync the model to the server.
+ // If the server returns an attributes hash that differs, the model's
+ // state will be `set` again.
+ save: function(key, val, options) {
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ if (key == null || typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options = _.extend({validate: true, parse: true}, options);
+ var wait = options.wait;
+
+ // If we're not waiting and attributes exist, save acts as
+ // `set(attr).save(null, opts)` with validation. Otherwise, check if
+ // the model will be valid when the attributes, if any, are set.
+ if (attrs && !wait) {
+ if (!this.set(attrs, options)) return false;
+ } else if (!this._validate(attrs, options)) {
+ return false;
+ }
+
+ // After a successful server-side save, the client is (optionally)
+ // updated with the server-side state.
+ var model = this;
+ var success = options.success;
+ var attributes = this.attributes;
+ options.success = function(resp) {
+ // Ensure attributes are restored during synchronous saves.
+ model.attributes = attributes;
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
+ if (serverAttrs && !model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+
+ // Set temporary attributes if `{wait: true}` to properly find new ids.
+ if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
+
+ var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+ if (method === 'patch' && !options.attrs) options.attrs = attrs;
+ var xhr = this.sync(method, this, options);
+
+ // Restore attributes.
+ this.attributes = attributes;
+
+ return xhr;
+ },
+
+ // Destroy this model on the server if it was already persisted.
+ // Optimistically removes the model from its collection, if it has one.
+ // If `wait: true` is passed, waits for the server to respond before removal.
+ destroy: function(options) {
+ options = options ? _.clone(options) : {};
+ var model = this;
+ var success = options.success;
+ var wait = options.wait;
+
+ var destroy = function() {
+ model.stopListening();
+ model.trigger('destroy', model, model.collection, options);
+ };
+
+ options.success = function(resp) {
+ if (wait) destroy();
+ if (success) success.call(options.context, model, resp, options);
+ if (!model.isNew()) model.trigger('sync', model, resp, options);
+ };
+
+ var xhr = false;
+ if (this.isNew()) {
+ _.defer(options.success);
+ } else {
+ wrapError(this, options);
+ xhr = this.sync('delete', this, options);
+ }
+ if (!wait) destroy();
+ return xhr;
+ },
+
+ // Default URL for the model's representation on the server -- if you're
+ // using Backbone's restful methods, override this to change the endpoint
+ // that will be called.
+ url: function() {
+ var base =
+ _.result(this, 'urlRoot') ||
+ _.result(this.collection, 'url') ||
+ urlError();
+ if (this.isNew()) return base;
+ var id = this.get(this.idAttribute);
+ return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(id);
+ },
+
+ // **parse** converts a response into the hash of attributes to be `set` on
+ // the model. The default implementation is just to pass the response along.
+ parse: function(resp, options) {
+ return resp;
+ },
+
+ // Create a new model with identical attributes to this one.
+ clone: function() {
+ return new this.constructor(this.attributes);
+ },
+
+ // A model is new if it has never been saved to the server, and lacks an id.
+ isNew: function() {
+ return !this.has(this.idAttribute);
+ },
+
+ // Check if the model is currently in a valid state.
+ isValid: function(options) {
+ return this._validate({}, _.extend({}, options, {validate: true}));
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+ _validate: function(attrs, options) {
+ if (!options.validate || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validationError = this.validate(attrs, options) || null;
+ if (!error) return true;
+ this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
+ return false;
+ }
+
+ });
+
+ // Underscore methods that we want to implement on the Model, mapped to the
+ // number of arguments they take.
+ var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
+ omit: 0, chain: 1, isEmpty: 1};
+
+ // Mix in each Underscore method as a proxy to `Model#attributes`.
+ addUnderscoreMethods(Model, modelMethods, 'attributes');
+
+ // Backbone.Collection
+ // -------------------
+
+ // If models tend to represent a single row of data, a Backbone Collection is
+ // more analogous to a table full of data ... or a small slice or page of that
+ // table, or a collection of rows that belong together for a particular reason
+ // -- all of the messages in this particular folder, all of the documents
+ // belonging to this particular author, and so on. Collections maintain
+ // indexes of their models, both in order, and for lookup by `id`.
+
+ // Create a new **Collection**, perhaps to contain a specific type of `model`.
+ // If a `comparator` is specified, the Collection will maintain
+ // its models in sort order, as they're added and removed.
+ var Collection = Backbone.Collection = function(models, options) {
+ options || (options = {});
+ if (options.model) this.model = options.model;
+ if (options.comparator !== void 0) this.comparator = options.comparator;
+ this._reset();
+ this.initialize.apply(this, arguments);
+ if (models) this.reset(models, _.extend({silent: true}, options));
+ };
+
+ // Default options for `Collection#set`.
+ var setOptions = {add: true, remove: true, merge: true};
+ var addOptions = {add: true, remove: false};
+
+ // Splices `insert` into `array` at index `at`.
+ var splice = function(array, insert, at) {
+ at = Math.min(Math.max(at, 0), array.length);
+ var tail = Array(array.length - at);
+ var length = insert.length;
+ var i;
+ for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
+ for (i = 0; i < length; i++) array[i + at] = insert[i];
+ for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
+ };
+
+ // Define the Collection's inheritable methods.
+ _.extend(Collection.prototype, Events, {
+
+ // The default model for a collection is just a **Backbone.Model**.
+ // This should be overridden in most cases.
+ model: Model,
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // The JSON representation of a Collection is an array of the
+ // models' attributes.
+ toJSON: function(options) {
+ return this.map(function(model) { return model.toJSON(options); });
+ },
+
+ // Proxy `Backbone.sync` by default.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Add a model, or list of models to the set. `models` may be Backbone
+ // Models or raw JavaScript objects to be converted to Models, or any
+ // combination of the two.
+ add: function(models, options) {
+ return this.set(models, _.extend({merge: false}, options, addOptions));
+ },
+
+ // Remove a model, or a list of models from the set.
+ remove: function(models, options) {
+ options = _.extend({}, options);
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
+ var removed = this._removeModels(models, options);
+ if (!options.silent && removed.length) {
+ options.changes = {added: [], merged: [], removed: removed};
+ this.trigger('update', this, options);
+ }
+ return singular ? removed[0] : removed;
+ },
+
+ // Update a collection by `set`-ing a new list of models, adding new ones,
+ // removing models that are no longer present, and merging models that
+ // already exist in the collection, as necessary. Similar to **Model#set**,
+ // the core operation for updating the data contained by the collection.
+ set: function(models, options) {
+ if (models == null) return;
+
+ options = _.extend({}, setOptions, options);
+ if (options.parse && !this._isModel(models)) {
+ models = this.parse(models, options) || [];
+ }
+
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
+
+ var at = options.at;
+ if (at != null) at = +at;
+ if (at > this.length) at = this.length;
+ if (at < 0) at += this.length + 1;
+
+ var set = [];
+ var toAdd = [];
+ var toMerge = [];
+ var toRemove = [];
+ var modelMap = {};
+
+ var add = options.add;
+ var merge = options.merge;
+ var remove = options.remove;
+
+ var sort = false;
+ var sortable = this.comparator && at == null && options.sort !== false;
+ var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+
+ // Turn bare objects into model references, and prevent invalid models
+ // from being added.
+ var model, i;
+ for (i = 0; i < models.length; i++) {
+ model = models[i];
+
+ // If a duplicate is found, prevent it from being added and
+ // optionally merge it into the existing model.
+ var existing = this.get(model);
+ if (existing) {
+ if (merge && model !== existing) {
+ var attrs = this._isModel(model) ? model.attributes : model;
+ if (options.parse) attrs = existing.parse(attrs, options);
+ existing.set(attrs, options);
+ toMerge.push(existing);
+ if (sortable && !sort) sort = existing.hasChanged(sortAttr);
+ }
+ if (!modelMap[existing.cid]) {
+ modelMap[existing.cid] = true;
+ set.push(existing);
+ }
+ models[i] = existing;
+
+ // If this is a new, valid model, push it to the `toAdd` list.
+ } else if (add) {
+ model = models[i] = this._prepareModel(model, options);
+ if (model) {
+ toAdd.push(model);
+ this._addReference(model, options);
+ modelMap[model.cid] = true;
+ set.push(model);
+ }
+ }
+ }
+
+ // Remove stale models.
+ if (remove) {
+ for (i = 0; i < this.length; i++) {
+ model = this.models[i];
+ if (!modelMap[model.cid]) toRemove.push(model);
+ }
+ if (toRemove.length) this._removeModels(toRemove, options);
+ }
+
+ // See if sorting is needed, update `length` and splice in new models.
+ var orderChanged = false;
+ var replace = !sortable && add && remove;
+ if (set.length && replace) {
+ orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
+ return m !== set[index];
+ });
+ this.models.length = 0;
+ splice(this.models, set, 0);
+ this.length = this.models.length;
+ } else if (toAdd.length) {
+ if (sortable) sort = true;
+ splice(this.models, toAdd, at == null ? this.length : at);
+ this.length = this.models.length;
+ }
+
+ // Silently sort the collection if appropriate.
+ if (sort) this.sort({silent: true});
+
+ // Unless silenced, it's time to fire all appropriate add/sort/update events.
+ if (!options.silent) {
+ for (i = 0; i < toAdd.length; i++) {
+ if (at != null) options.index = at + i;
+ model = toAdd[i];
+ model.trigger('add', model, this, options);
+ }
+ if (sort || orderChanged) this.trigger('sort', this, options);
+ if (toAdd.length || toRemove.length || toMerge.length) {
+ options.changes = {
+ added: toAdd,
+ removed: toRemove,
+ merged: toMerge
+ };
+ this.trigger('update', this, options);
+ }
+ }
+
+ // Return the added (or merged) model (or models).
+ return singular ? models[0] : models;
+ },
+
+ // When you have more items than you want to add or remove individually,
+ // you can reset the entire set with a new list of models, without firing
+ // any granular `add` or `remove` events. Fires `reset` when finished.
+ // Useful for bulk operations and optimizations.
+ reset: function(models, options) {
+ options = options ? _.clone(options) : {};
+ for (var i = 0; i < this.models.length; i++) {
+ this._removeReference(this.models[i], options);
+ }
+ options.previousModels = this.models;
+ this._reset();
+ models = this.add(models, _.extend({silent: true}, options));
+ if (!options.silent) this.trigger('reset', this, options);
+ return models;
+ },
+
+ // Add a model to the end of the collection.
+ push: function(model, options) {
+ return this.add(model, _.extend({at: this.length}, options));
+ },
+
+ // Remove a model from the end of the collection.
+ pop: function(options) {
+ var model = this.at(this.length - 1);
+ return this.remove(model, options);
+ },
+
+ // Add a model to the beginning of the collection.
+ unshift: function(model, options) {
+ return this.add(model, _.extend({at: 0}, options));
+ },
+
+ // Remove a model from the beginning of the collection.
+ shift: function(options) {
+ var model = this.at(0);
+ return this.remove(model, options);
+ },
+
+ // Slice out a sub-array of models from the collection.
+ slice: function() {
+ return slice.apply(this.models, arguments);
+ },
+
+ // Get a model from the set by id, cid, model object with id or cid
+ // properties, or an attributes object that is transformed through modelId.
+ get: function(obj) {
+ if (obj == null) return void 0;
+ return this._byId[obj] ||
+ this._byId[this.modelId(obj.attributes || obj)] ||
+ obj.cid && this._byId[obj.cid];
+ },
+
+ // Returns `true` if the model is in the collection.
+ has: function(obj) {
+ return this.get(obj) != null;
+ },
+
+ // Get the model at the given index.
+ at: function(index) {
+ if (index < 0) index += this.length;
+ return this.models[index];
+ },
+
+ // Return models with matching attributes. Useful for simple cases of
+ // `filter`.
+ where: function(attrs, first) {
+ return this[first ? 'find' : 'filter'](attrs);
+ },
+
+ // Return the first model with matching attributes. Useful for simple cases
+ // of `find`.
+ findWhere: function(attrs) {
+ return this.where(attrs, true);
+ },
+
+ // Force the collection to re-sort itself. You don't need to call this under
+ // normal circumstances, as the set will maintain sort order as each item
+ // is added.
+ sort: function(options) {
+ var comparator = this.comparator;
+ if (!comparator) throw new Error('Cannot sort a set without a comparator');
+ options || (options = {});
+
+ var length = comparator.length;
+ if (_.isFunction(comparator)) comparator = _.bind(comparator, this);
+
+ // Run sort based on type of `comparator`.
+ if (length === 1 || _.isString(comparator)) {
+ this.models = this.sortBy(comparator);
+ } else {
+ this.models.sort(comparator);
+ }
+ if (!options.silent) this.trigger('sort', this, options);
+ return this;
+ },
+
+ // Pluck an attribute from each model in the collection.
+ pluck: function(attr) {
+ return this.map(attr + '');
+ },
+
+ // Fetch the default set of models for this collection, resetting the
+ // collection when they arrive. If `reset: true` is passed, the response
+ // data will be passed through the `reset` method instead of `set`.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var success = options.success;
+ var collection = this;
+ options.success = function(resp) {
+ var method = options.reset ? 'reset' : 'set';
+ collection[method](resp, options);
+ if (success) success.call(options.context, collection, resp, options);
+ collection.trigger('sync', collection, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // Create a new instance of a model in this collection. Add the model to the
+ // collection immediately, unless `wait: true` is passed, in which case we
+ // wait for the server to agree.
+ create: function(model, options) {
+ options = options ? _.clone(options) : {};
+ var wait = options.wait;
+ model = this._prepareModel(model, options);
+ if (!model) return false;
+ if (!wait) this.add(model, options);
+ var collection = this;
+ var success = options.success;
+ options.success = function(m, resp, callbackOpts) {
+ if (wait) collection.add(m, callbackOpts);
+ if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
+ };
+ model.save(null, options);
+ return model;
+ },
+
+ // **parse** converts a response into a list of models to be added to the
+ // collection. The default implementation is just to pass it through.
+ parse: function(resp, options) {
+ return resp;
+ },
+
+ // Create a new collection with an identical list of models as this one.
+ clone: function() {
+ return new this.constructor(this.models, {
+ model: this.model,
+ comparator: this.comparator
+ });
+ },
+
+ // Define how to uniquely identify models in the collection.
+ modelId: function(attrs) {
+ return attrs[this.model.prototype.idAttribute || 'id'];
+ },
+
+ // Private method to reset all internal state. Called when the collection
+ // is first initialized or reset.
+ _reset: function() {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ },
+
+ // Prepare a hash of attributes (or other model) to be added to this
+ // collection.
+ _prepareModel: function(attrs, options) {
+ if (this._isModel(attrs)) {
+ if (!attrs.collection) attrs.collection = this;
+ return attrs;
+ }
+ options = options ? _.clone(options) : {};
+ options.collection = this;
+ var model = new this.model(attrs, options);
+ if (!model.validationError) return model;
+ this.trigger('invalid', this, model.validationError, options);
+ return false;
+ },
+
+ // Internal method called by both remove and set.
+ _removeModels: function(models, options) {
+ var removed = [];
+ for (var i = 0; i < models.length; i++) {
+ var model = this.get(models[i]);
+ if (!model) continue;
+
+ var index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
+
+ // Remove references before triggering 'remove' event to prevent an
+ // infinite loop. #3693
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
+
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
+
+ removed.push(model);
+ this._removeReference(model, options);
+ }
+ return removed;
+ },
+
+ // Method for checking whether an object should be considered a model for
+ // the purposes of adding to the collection.
+ _isModel: function(model) {
+ return model instanceof Model;
+ },
+
+ // Internal method to create a model's ties to a collection.
+ _addReference: function(model, options) {
+ this._byId[model.cid] = model;
+ var id = this.modelId(model.attributes);
+ if (id != null) this._byId[id] = model;
+ model.on('all', this._onModelEvent, this);
+ },
+
+ // Internal method to sever a model's ties to a collection.
+ _removeReference: function(model, options) {
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
+ if (this === model.collection) delete model.collection;
+ model.off('all', this._onModelEvent, this);
+ },
+
+ // Internal method called every time a model in the set fires an event.
+ // Sets need to update their indexes when models change ids. All other
+ // events simply proxy through. "add" and "remove" events that originate
+ // in other collections are ignored.
+ _onModelEvent: function(event, model, collection, options) {
+ if (model) {
+ if ((event === 'add' || event === 'remove') && collection !== this) return;
+ if (event === 'destroy') this.remove(model, options);
+ if (event === 'change') {
+ var prevId = this.modelId(model.previousAttributes());
+ var id = this.modelId(model.attributes);
+ if (prevId !== id) {
+ if (prevId != null) delete this._byId[prevId];
+ if (id != null) this._byId[id] = model;
+ }
+ }
+ }
+ this.trigger.apply(this, arguments);
+ }
+
+ });
+
+ // Underscore methods that we want to implement on the Collection.
+ // 90% of the core usefulness of Backbone Collections is actually implemented
+ // right here:
+ var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
+ foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
+ select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
+ contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
+ head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
+ without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
+ isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
+ sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ addUnderscoreMethods(Collection, collectionMethods, 'models');
+
+ // Backbone.View
+ // -------------
+
+ // Backbone Views are almost more convention than they are actual code. A View
+ // is simply a JavaScript object that represents a logical chunk of UI in the
+ // DOM. This might be a single item, an entire list, a sidebar or panel, or
+ // even the surrounding frame which wraps your whole app. Defining a chunk of
+ // UI as a **View** allows you to define your DOM events declaratively, without
+ // having to worry about render order ... and makes it easy for the view to
+ // react to specific changes in the state of your models.
+
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ var View = Backbone.View = function(options) {
+ this.cid = _.uniqueId('view');
+ _.extend(this, _.pick(options, viewOptions));
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+ // List of view options to be set as properties.
+ var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+ // Set up all inheritable **Backbone.View** properties and methods.
+ _.extend(View.prototype, Events, {
+
+ // The default `tagName` of a View's element is `"div"`.
+ tagName: 'div',
+
+ // jQuery delegate for element lookup, scoped to DOM elements within the
+ // current view. This should be preferred to global lookups where possible.
+ $: function(selector) {
+ return this.$el.find(selector);
+ },
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // **render** is the core function that your view should override, in order
+ // to populate its element (`this.el`), with the appropriate HTML. The
+ // convention is for **render** to always return `this`.
+ render: function() {
+ return this;
+ },
+
+ // Remove this view by taking the element out of the DOM, and removing any
+ // applicable Backbone.Events listeners.
+ remove: function() {
+ this._removeElement();
+ this.stopListening();
+ return this;
+ },
+
+ // Remove this view's element from the document and all event listeners
+ // attached to it. Exposed for subclasses using an alternative DOM
+ // manipulation API.
+ _removeElement: function() {
+ this.$el.remove();
+ },
+
+ // Change the view's element (`this.el` property) and re-delegate the
+ // view's events on the new element.
+ setElement: function(element) {
+ this.undelegateEvents();
+ this._setElement(element);
+ this.delegateEvents();
+ return this;
+ },
+
+ // Creates the `this.el` and `this.$el` references for this view using the
+ // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
+ // context or an element. Subclasses can override this to utilize an
+ // alternative DOM manipulation API and are only required to set the
+ // `this.el` property.
+ _setElement: function(el) {
+ this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
+ this.el = this.$el[0];
+ },
+
+ // Set callbacks, where `this.events` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save',
+ // 'click .open': function(e) { ... }
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // Uses event delegation for efficiency.
+ // Omitting the selector binds the event to `this.el`.
+ delegateEvents: function(events) {
+ events || (events = _.result(this, 'events'));
+ if (!events) return this;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[method];
+ if (!method) continue;
+ var match = key.match(delegateEventSplitter);
+ this.delegate(match[1], match[2], _.bind(method, this));
+ }
+ return this;
+ },
+
+ // Add a single event listener to the view's element (or a child element
+ // using `selector`). This only works for delegate-able events: not `focus`,
+ // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
+ delegate: function(eventName, selector, listener) {
+ this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
+
+ // Clears all callbacks previously bound to the view by `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function() {
+ if (this.$el) this.$el.off('.delegateEvents' + this.cid);
+ return this;
+ },
+
+ // A finer-grained `undelegateEvents` for removing a single delegated event.
+ // `selector` and `listener` are both optional.
+ undelegate: function(eventName, selector, listener) {
+ this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
+
+ // Produces a DOM element to be assigned to your view. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _createElement: function(tagName) {
+ return document.createElement(tagName);
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function() {
+ if (!this.el) {
+ var attrs = _.extend({}, _.result(this, 'attributes'));
+ if (this.id) attrs.id = _.result(this, 'id');
+ if (this.className) attrs['class'] = _.result(this, 'className');
+ this.setElement(this._createElement(_.result(this, 'tagName')));
+ this._setAttributes(attrs);
+ } else {
+ this.setElement(_.result(this, 'el'));
+ }
+ },
+
+ // Set attributes from a hash on this view's element. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _setAttributes: function(attributes) {
+ this.$el.attr(attributes);
+ }
+
+ });
+
+ // Backbone.sync
+ // -------------
+
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // to the model's `url()`. Some possible customizations could be:
+ //
+ // * Use `setTimeout` to batch rapid-fire updates into a single request.
+ // * Send up the models as XML instead of JSON.
+ // * Persist models via WebSockets instead of Ajax.
+ //
+ // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+ // as `POST`, with a `_method` parameter containing the true HTTP method,
+ // as well as all requests with the body as `application/x-www-form-urlencoded`
+ // instead of `application/json` with the model in a param named `model`.
+ // Useful when interfacing with server-side languages like **PHP** that make
+ // it difficult to read the body of `PUT` requests.
+ Backbone.sync = function(method, model, options) {
+ var type = methodMap[method];
+
+ // Default options, unless specified.
+ _.defaults(options || (options = {}), {
+ emulateHTTP: Backbone.emulateHTTP,
+ emulateJSON: Backbone.emulateJSON
+ });
+
+ // Default JSON-request options.
+ var params = {type: type, dataType: 'json'};
+
+ // Ensure that we have a URL.
+ if (!options.url) {
+ params.url = _.result(model, 'url') || urlError();
+ }
+
+ // Ensure that we have the appropriate request data.
+ if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+ params.contentType = 'application/json';
+ params.data = JSON.stringify(options.attrs || model.toJSON(options));
+ }
+
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (options.emulateJSON) {
+ params.contentType = 'application/x-www-form-urlencoded';
+ params.data = params.data ? {model: params.data} : {};
+ }
+
+ // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+ // And an `X-HTTP-Method-Override` header.
+ if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+ params.type = 'POST';
+ if (options.emulateJSON) params.data._method = type;
+ var beforeSend = options.beforeSend;
+ options.beforeSend = function(xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ if (beforeSend) return beforeSend.apply(this, arguments);
+ };
+ }
+
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !options.emulateJSON) {
+ params.processData = false;
+ }
+
+ // Pass along `textStatus` and `errorThrown` from jQuery.
+ var error = options.error;
+ options.error = function(xhr, textStatus, errorThrown) {
+ options.textStatus = textStatus;
+ options.errorThrown = errorThrown;
+ if (error) error.call(options.context, xhr, textStatus, errorThrown);
+ };
+
+ // Make the request, allowing the user to override any Ajax options.
+ var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+ model.trigger('request', model, xhr, options);
+ return xhr;
+ };
+
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ 'create': 'POST',
+ 'update': 'PUT',
+ 'patch': 'PATCH',
+ 'delete': 'DELETE',
+ 'read': 'GET'
+ };
+
+ // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+ // Override this if you'd like to use a different library.
+ Backbone.ajax = function() {
+ return Backbone.$.ajax.apply(Backbone.$, arguments);
+ };
+
+ // Backbone.Router
+ // ---------------
+
+ // Routers map faux-URLs to actions, and fire events when routes are
+ // matched. Creating a new one sets its `routes` hash, if not set statically.
+ var Router = Backbone.Router = function(options) {
+ options || (options = {});
+ if (options.routes) this.routes = options.routes;
+ this._bindRoutes();
+ this.initialize.apply(this, arguments);
+ };
+
+ // Cached regular expressions for matching named param parts and splatted
+ // parts of route strings.
+ var optionalParam = /\((.*?)\)/g;
+ var namedParam = /(\(\?)?:\w+/g;
+ var splatParam = /\*\w+/g;
+ var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Router** properties and methods.
+ _.extend(Router.prototype, Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route: function(route, name, callback) {
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ if (_.isFunction(name)) {
+ callback = name;
+ name = '';
+ }
+ if (!callback) callback = this[name];
+ var router = this;
+ Backbone.history.route(route, function(fragment) {
+ var args = router._extractParameters(route, fragment);
+ if (router.execute(callback, args, name) !== false) {
+ router.trigger.apply(router, ['route:' + name].concat(args));
+ router.trigger('route', name, args);
+ Backbone.history.trigger('route', router, name, args);
+ }
+ });
+ return this;
+ },
+
+ // Execute a route handler with the provided parameters. This is an
+ // excellent place to do pre-route setup or post-route cleanup.
+ execute: function(callback, args, name) {
+ if (callback) callback.apply(this, args);
+ },
+
+ // Simple proxy to `Backbone.history` to save a fragment into the history.
+ navigate: function(fragment, options) {
+ Backbone.history.navigate(fragment, options);
+ return this;
+ },
+
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes: function() {
+ if (!this.routes) return;
+ this.routes = _.result(this, 'routes');
+ var route, routes = _.keys(this.routes);
+ while ((route = routes.pop()) != null) {
+ this.route(route, this.routes[route]);
+ }
+ },
+
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location hash.
+ _routeToRegExp: function(route) {
+ route = route.replace(escapeRegExp, '\\$&')
+ .replace(optionalParam, '(?:$1)?')
+ .replace(namedParam, function(match, optional) {
+ return optional ? match : '([^/?]+)';
+ })
+ .replace(splatParam, '([^?]*?)');
+ return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted decoded parameters. Empty or unmatched parameters will be
+ // treated as `null` to normalize cross-browser behavior.
+ _extractParameters: function(route, fragment) {
+ var params = route.exec(fragment).slice(1);
+ return _.map(params, function(param, i) {
+ // Don't decode the search params.
+ if (i === params.length - 1) return param || null;
+ return param ? decodeURIComponent(param) : null;
+ });
+ }
+
+ });
+
+ // Backbone.History
+ // ----------------
+
+ // Handles cross-browser history management, based on either
+ // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+ // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+ // and URL fragments. If the browser supports neither (old IE, natch),
+ // falls back to polling.
+ var History = Backbone.History = function() {
+ this.handlers = [];
+ this.checkUrl = _.bind(this.checkUrl, this);
+
+ // Ensure that `History` can be used outside of the browser.
+ if (typeof window !== 'undefined') {
+ this.location = window.location;
+ this.history = window.history;
+ }
+ };
+
+ // Cached regex for stripping a leading hash/slash and trailing space.
+ var routeStripper = /^[#\/]|\s+$/g;
+
+ // Cached regex for stripping leading and trailing slashes.
+ var rootStripper = /^\/+|\/+$/g;
+
+ // Cached regex for stripping urls of hash.
+ var pathStripper = /#.*$/;
+
+ // Has the history handling already been started?
+ History.started = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Are we at the app root?
+ atRoot: function() {
+ var path = this.location.pathname.replace(/[^\/]$/, '$&/');
+ return path === this.root && !this.getSearch();
+ },
+
+ // Does the pathname match the root?
+ matchRoot: function() {
+ var path = this.decodeFragment(this.location.pathname);
+ var rootPath = path.slice(0, this.root.length - 1) + '/';
+ return rootPath === this.root;
+ },
+
+ // Unicode characters in `location.pathname` are percent encoded so they're
+ // decoded for comparison. `%25` should not be decoded since it may be part
+ // of an encoded parameter.
+ decodeFragment: function(fragment) {
+ return decodeURI(fragment.replace(/%25/g, '%2525'));
+ },
+
+ // In IE6, the hash fragment and search params are incorrect if the
+ // fragment contains `?`.
+ getSearch: function() {
+ var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
+ return match ? match[0] : '';
+ },
+
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function(window) {
+ var match = (window || this).location.href.match(/#(.*)$/);
+ return match ? match[1] : '';
+ },
+
+ // Get the pathname and search params, without the root.
+ getPath: function() {
+ var path = this.decodeFragment(
+ this.location.pathname + this.getSearch()
+ ).slice(this.root.length - 1);
+ return path.charAt(0) === '/' ? path.slice(1) : path;
+ },
+
+ // Get the cross-browser normalized URL fragment from the path or hash.
+ getFragment: function(fragment) {
+ if (fragment == null) {
+ if (this._usePushState || !this._wantsHashChange) {
+ fragment = this.getPath();
+ } else {
+ fragment = this.getHash();
+ }
+ }
+ return fragment.replace(routeStripper, '');
+ },
+
+ // Start the hash change handling, returning `true` if the current URL matches
+ // an existing route, and `false` otherwise.
+ start: function(options) {
+ if (History.started) throw new Error('Backbone.history has already been started');
+ History.started = true;
+
+ // Figure out the initial configuration. Do we need an iframe?
+ // Is pushState desired ... is it available?
+ this.options = _.extend({root: '/'}, this.options, options);
+ this.root = this.options.root;
+ this._wantsHashChange = this.options.hashChange !== false;
+ this._hasHashChange = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
+ this._useHashChange = this._wantsHashChange && this._hasHashChange;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.history && this.history.pushState);
+ this._usePushState = this._wantsPushState && this._hasPushState;
+ this.fragment = this.getFragment();
+
+ // Normalize root to always include a leading and trailing slash.
+ this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+ // Transition from hashChange to pushState or vice versa if both are
+ // requested.
+ if (this._wantsHashChange && this._wantsPushState) {
+
+ // If we've started off with a route from a `pushState`-enabled
+ // browser, but we're currently in a browser that doesn't support it...
+ if (!this._hasPushState && !this.atRoot()) {
+ var rootPath = this.root.slice(0, -1) || '/';
+ this.location.replace(rootPath + '#' + this.getPath());
+ // Return immediately as browser will do redirect to new url
+ return true;
+
+ // Or if we've started out with a hash-based route, but we're currently
+ // in a browser where it could be `pushState`-based instead...
+ } else if (this._hasPushState && this.atRoot()) {
+ this.navigate(this.getHash(), {replace: true});
+ }
+
+ }
+
+ // Proxy an iframe to handle location events if the browser doesn't
+ // support the `hashchange` event, HTML5 history, or the user wants
+ // `hashChange` but not `pushState`.
+ if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
+ this.iframe = document.createElement('iframe');
+ this.iframe.src = 'javascript:0';
+ this.iframe.style.display = 'none';
+ this.iframe.tabIndex = -1;
+ var body = document.body;
+ // Using `appendChild` will throw on IE < 9 if the document is not ready.
+ var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
+ iWindow.document.open();
+ iWindow.document.close();
+ iWindow.location.hash = '#' + this.fragment;
+ }
+
+ // Add a cross-platform `addEventListener` shim for older browsers.
+ var addEventListener = window.addEventListener || function(eventName, listener) {
+ return attachEvent('on' + eventName, listener);
+ };
+
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._usePushState) {
+ addEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ addEventListener('hashchange', this.checkUrl, false);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ }
+
+ if (!this.options.silent) return this.loadUrl();
+ },
+
+ // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+ // but possibly useful for unit testing Routers.
+ stop: function() {
+ // Add a cross-platform `removeEventListener` shim for older browsers.
+ var removeEventListener = window.removeEventListener || function(eventName, listener) {
+ return detachEvent('on' + eventName, listener);
+ };
+
+ // Remove window listeners.
+ if (this._usePushState) {
+ removeEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ removeEventListener('hashchange', this.checkUrl, false);
+ }
+
+ // Clean up the iframe if necessary.
+ if (this.iframe) {
+ document.body.removeChild(this.iframe);
+ this.iframe = null;
+ }
+
+ // Some environments will throw when clearing an undefined interval.
+ if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
+ History.started = false;
+ },
+
+ // Add a route to be tested when the fragment changes. Routes added later
+ // may override previous routes.
+ route: function(route, callback) {
+ this.handlers.unshift({route: route, callback: callback});
+ },
+
+ // Checks the current URL to see if it has changed, and if it has,
+ // calls `loadUrl`, normalizing across the hidden iframe.
+ checkUrl: function(e) {
+ var current = this.getFragment();
+
+ // If the user pressed the back button, the iframe's hash will have
+ // changed and we should use that for comparison.
+ if (current === this.fragment && this.iframe) {
+ current = this.getHash(this.iframe.contentWindow);
+ }
+
+ if (current === this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl();
+ },
+
+ // Attempt to load the current URL fragment. If a route succeeds with a
+ // match, returns `true`. If no defined routes matches the fragment,
+ // returns `false`.
+ loadUrl: function(fragment) {
+ // If the root doesn't match, no routes can match either.
+ if (!this.matchRoot()) return false;
+ fragment = this.fragment = this.getFragment(fragment);
+ return _.some(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ },
+
+ // Save a fragment into the hash history, or replace the URL state if the
+ // 'replace' option is passed. You are responsible for properly URL-encoding
+ // the fragment in advance.
+ //
+ // The options object can contain `trigger: true` if you wish to have the
+ // route callback be fired (not usually desirable), or `replace: true`, if
+ // you wish to modify the current URL without adding an entry to the history.
+ navigate: function(fragment, options) {
+ if (!History.started) return false;
+ if (!options || options === true) options = {trigger: !!options};
+
+ // Normalize the fragment.
+ fragment = this.getFragment(fragment || '');
+
+ // Don't include a trailing slash on the root.
+ var rootPath = this.root;
+ if (fragment === '' || fragment.charAt(0) === '?') {
+ rootPath = rootPath.slice(0, -1) || '/';
+ }
+ var url = rootPath + fragment;
+
+ // Strip the hash and decode for matching.
+ fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
+
+ if (this.fragment === fragment) return;
+ this.fragment = fragment;
+
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._usePushState) {
+ this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+
+ // If hash changes haven't been explicitly disabled, update the hash
+ // fragment to store history.
+ } else if (this._wantsHashChange) {
+ this._updateHash(this.location, fragment, options.replace);
+ if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
+ var iWindow = this.iframe.contentWindow;
+
+ // Opening and closing the iframe tricks IE7 and earlier to push a
+ // history entry on hash-tag change. When replace is true, we don't
+ // want this.
+ if (!options.replace) {
+ iWindow.document.open();
+ iWindow.document.close();
+ }
+
+ this._updateHash(iWindow.location, fragment, options.replace);
+ }
+
+ // If you've told us that you explicitly don't want fallback hashchange-
+ // based history, then `navigate` becomes a page refresh.
+ } else {
+ return this.location.assign(url);
+ }
+ if (options.trigger) return this.loadUrl(fragment);
+ },
+
+ // Update the hash location, either replacing the current entry, or adding
+ // a new one to the browser history.
+ _updateHash: function(location, fragment, replace) {
+ if (replace) {
+ var href = location.href.replace(/(javascript:|#).*$/, '');
+ location.replace(href + '#' + fragment);
+ } else {
+ // Some browsers require that `hash` contains a leading #.
+ location.hash = '#' + fragment;
+ }
+ }
+
+ });
+
+ // Create the default Backbone.history.
+ Backbone.history = new History;
+
+ // Helpers
+ // -------
+
+ // Helper function to correctly set up the prototype chain for subclasses.
+ // Similar to `goog.inherits`, but uses a hash of prototype properties and
+ // class properties to be extended.
+ var extend = function(protoProps, staticProps) {
+ var parent = this;
+ var child;
+
+ // The constructor function for the new subclass is either defined by you
+ // (the "constructor" property in your `extend` definition), or defaulted
+ // by us to simply call the parent constructor.
+ if (protoProps && _.has(protoProps, 'constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function(){ return parent.apply(this, arguments); };
+ }
+
+ // Add static properties to the constructor function, if supplied.
+ _.extend(child, parent, staticProps);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function and add the prototype properties.
+ child.prototype = _.create(parent.prototype, protoProps);
+ child.prototype.constructor = child;
+
+ // Set a convenience property in case the parent's prototype is needed
+ // later.
+ child.__super__ = parent.prototype;
+
+ return child;
+ };
+
+ // Set up inheritance for the model, collection, router, view and history.
+ Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+
+ // Throw an error when a URL is needed, and none is supplied.
+ var urlError = function() {
+ throw new Error('A "url" property or function must be specified');
+ };
+
+ // Wrap an optional error callback with a fallback error event.
+ var wrapError = function(model, options) {
+ var error = options.error;
+ options.error = function(resp) {
+ if (error) error.call(options.context, model, resp, options);
+ model.trigger('error', model, resp, options);
+ };
+ };
+
+ return Backbone;
+});
+
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(16)))
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Underscore.js 1.8.3
+// http://underscorejs.org
+// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+// Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+ // Baseline setup
+ // --------------
+
+ // Establish the root object, `window` in the browser, or `exports` on the server.
+ var root = this;
+
+ // Save the previous value of the `_` variable.
+ var previousUnderscore = root._;
+
+ // Save bytes in the minified (but not gzipped) version:
+ var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+ // Create quick reference variables for speed access to core prototypes.
+ var
+ push = ArrayProto.push,
+ slice = ArrayProto.slice,
+ toString = ObjProto.toString,
+ hasOwnProperty = ObjProto.hasOwnProperty;
+
+ // All **ECMAScript 5** native function implementations that we hope to use
+ // are declared here.
+ var
+ nativeIsArray = Array.isArray,
+ nativeKeys = Object.keys,
+ nativeBind = FuncProto.bind,
+ nativeCreate = Object.create;
+
+ // Naked function reference for surrogate-prototype-swapping.
+ var Ctor = function(){};
+
+ // Create a safe reference to the Underscore object for use below.
+ var _ = function(obj) {
+ if (obj instanceof _) return obj;
+ if (!(this instanceof _)) return new _(obj);
+ this._wrapped = obj;
+ };
+
+ // Export the Underscore object for **Node.js**, with
+ // backwards-compatibility for the old `require()` API. If we're in
+ // the browser, add `_` as a global object.
+ if (true) {
+ if (typeof module !== 'undefined' && module.exports) {
+ exports = module.exports = _;
+ }
+ exports._ = _;
+ } else {
+ root._ = _;
+ }
+
+ // Current version.
+ _.VERSION = '1.8.3';
+
+ // Internal function that returns an efficient (for current engines) version
+ // of the passed-in callback, to be repeatedly applied in other Underscore
+ // functions.
+ var optimizeCb = function(func, context, argCount) {
+ if (context === void 0) return func;
+ switch (argCount == null ? 3 : argCount) {
+ case 1: return function(value) {
+ return func.call(context, value);
+ };
+ case 2: return function(value, other) {
+ return func.call(context, value, other);
+ };
+ case 3: return function(value, index, collection) {
+ return func.call(context, value, index, collection);
+ };
+ case 4: return function(accumulator, value, index, collection) {
+ return func.call(context, accumulator, value, index, collection);
+ };
+ }
+ return function() {
+ return func.apply(context, arguments);
+ };
+ };
+
+ // A mostly-internal function to generate callbacks that can be applied
+ // to each element in a collection, returning the desired result — either
+ // identity, an arbitrary callback, a property matcher, or a property accessor.
+ var cb = function(value, context, argCount) {
+ if (value == null) return _.identity;
+ if (_.isFunction(value)) return optimizeCb(value, context, argCount);
+ if (_.isObject(value)) return _.matcher(value);
+ return _.property(value);
+ };
+ _.iteratee = function(value, context) {
+ return cb(value, context, Infinity);
+ };
+
+ // An internal function for creating assigner functions.
+ var createAssigner = function(keysFunc, undefinedOnly) {
+ return function(obj) {
+ var length = arguments.length;
+ if (length < 2 || obj == null) return obj;
+ for (var index = 1; index < length; index++) {
+ var source = arguments[index],
+ keys = keysFunc(source),
+ l = keys.length;
+ for (var i = 0; i < l; i++) {
+ var key = keys[i];
+ if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key];
+ }
+ }
+ return obj;
+ };
+ };
+
+ // An internal function for creating a new object that inherits from another.
+ var baseCreate = function(prototype) {
+ if (!_.isObject(prototype)) return {};
+ if (nativeCreate) return nativeCreate(prototype);
+ Ctor.prototype = prototype;
+ var result = new Ctor;
+ Ctor.prototype = null;
+ return result;
+ };
+
+ var property = function(key) {
+ return function(obj) {
+ return obj == null ? void 0 : obj[key];
+ };
+ };
+
+ // Helper for collection methods to determine whether a collection
+ // should be iterated as an array or as an object
+ // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+ // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+ var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;
+ var getLength = property('length');
+ var isArrayLike = function(collection) {
+ var length = getLength(collection);
+ return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;
+ };
+
+ // Collection Functions
+ // --------------------
+
+ // The cornerstone, an `each` implementation, aka `forEach`.
+ // Handles raw objects in addition to array-likes. Treats all
+ // sparse array-likes as if they were dense.
+ _.each = _.forEach = function(obj, iteratee, context) {
+ iteratee = optimizeCb(iteratee, context);
+ var i, length;
+ if (isArrayLike(obj)) {
+ for (i = 0, length = obj.length; i < length; i++) {
+ iteratee(obj[i], i, obj);
+ }
+ } else {
+ var keys = _.keys(obj);
+ for (i = 0, length = keys.length; i < length; i++) {
+ iteratee(obj[keys[i]], keys[i], obj);
+ }
+ }
+ return obj;
+ };
+
+ // Return the results of applying the iteratee to each element.
+ _.map = _.collect = function(obj, iteratee, context) {
+ iteratee = cb(iteratee, context);
+ var keys = !isArrayLike(obj) && _.keys(obj),
+ length = (keys || obj).length,
+ results = Array(length);
+ for (var index = 0; index < length; index++) {
+ var currentKey = keys ? keys[index] : index;
+ results[index] = iteratee(obj[currentKey], currentKey, obj);
+ }
+ return results;
+ };
+
+ // Create a reducing function iterating left or right.
+ function createReduce(dir) {
+ // Optimized iterator function as using arguments.length
+ // in the main function will deoptimize the, see #1991.
+ function iterator(obj, iteratee, memo, keys, index, length) {
+ for (; index >= 0 && index < length; index += dir) {
+ var currentKey = keys ? keys[index] : index;
+ memo = iteratee(memo, obj[currentKey], currentKey, obj);
+ }
+ return memo;
+ }
+
+ return function(obj, iteratee, memo, context) {
+ iteratee = optimizeCb(iteratee, context, 4);
+ var keys = !isArrayLike(obj) && _.keys(obj),
+ length = (keys || obj).length,
+ index = dir > 0 ? 0 : length - 1;
+ // Determine the initial value if none is provided.
+ if (arguments.length < 3) {
+ memo = obj[keys ? keys[index] : index];
+ index += dir;
+ }
+ return iterator(obj, iteratee, memo, keys, index, length);
+ };
+ }
+
+ // **Reduce** builds up a single result from a list of values, aka `inject`,
+ // or `foldl`.
+ _.reduce = _.foldl = _.inject = createReduce(1);
+
+ // The right-associative version of reduce, also known as `foldr`.
+ _.reduceRight = _.foldr = createReduce(-1);
+
+ // Return the first value which passes a truth test. Aliased as `detect`.
+ _.find = _.detect = function(obj, predicate, context) {
+ var key;
+ if (isArrayLike(obj)) {
+ key = _.findIndex(obj, predicate, context);
+ } else {
+ key = _.findKey(obj, predicate, context);
+ }
+ if (key !== void 0 && key !== -1) return obj[key];
+ };
+
+ // Return all the elements that pass a truth test.
+ // Aliased as `select`.
+ _.filter = _.select = function(obj, predicate, context) {
+ var results = [];
+ predicate = cb(predicate, context);
+ _.each(obj, function(value, index, list) {
+ if (predicate(value, index, list)) results.push(value);
+ });
+ return results;
+ };
+
+ // Return all the elements for which a truth test fails.
+ _.reject = function(obj, predicate, context) {
+ return _.filter(obj, _.negate(cb(predicate)), context);
+ };
+
+ // Determine whether all of the elements match a truth test.
+ // Aliased as `all`.
+ _.every = _.all = function(obj, predicate, context) {
+ predicate = cb(predicate, context);
+ var keys = !isArrayLike(obj) && _.keys(obj),
+ length = (keys || obj).length;
+ for (var index = 0; index < length; index++) {
+ var currentKey = keys ? keys[index] : index;
+ if (!predicate(obj[currentKey], currentKey, obj)) return false;
+ }
+ return true;
+ };
+
+ // Determine if at least one element in the object matches a truth test.
+ // Aliased as `any`.
+ _.some = _.any = function(obj, predicate, context) {
+ predicate = cb(predicate, context);
+ var keys = !isArrayLike(obj) && _.keys(obj),
+ length = (keys || obj).length;
+ for (var index = 0; index < length; index++) {
+ var currentKey = keys ? keys[index] : index;
+ if (predicate(obj[currentKey], currentKey, obj)) return true;
+ }
+ return false;
+ };
+
+ // Determine if the array or object contains a given item (using `===`).
+ // Aliased as `includes` and `include`.
+ _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) {
+ if (!isArrayLike(obj)) obj = _.values(obj);
+ if (typeof fromIndex != 'number' || guard) fromIndex = 0;
+ return _.indexOf(obj, item, fromIndex) >= 0;
+ };
+
+ // Invoke a method (with arguments) on every item in a collection.
+ _.invoke = function(obj, method) {
+ var args = slice.call(arguments, 2);
+ var isFunc = _.isFunction(method);
+ return _.map(obj, function(value) {
+ var func = isFunc ? method : value[method];
+ return func == null ? func : func.apply(value, args);
+ });
+ };
+
+ // Convenience version of a common use case of `map`: fetching a property.
+ _.pluck = function(obj, key) {
+ return _.map(obj, _.property(key));
+ };
+
+ // Convenience version of a common use case of `filter`: selecting only objects
+ // containing specific `key:value` pairs.
+ _.where = function(obj, attrs) {
+ return _.filter(obj, _.matcher(attrs));
+ };
+
+ // Convenience version of a common use case of `find`: getting the first object
+ // containing specific `key:value` pairs.
+ _.findWhere = function(obj, attrs) {
+ return _.find(obj, _.matcher(attrs));
+ };
+
+ // Return the maximum element (or element-based computation).
+ _.max = function(obj, iteratee, context) {
+ var result = -Infinity, lastComputed = -Infinity,
+ value, computed;
+ if (iteratee == null && obj != null) {
+ obj = isArrayLike(obj) ? obj : _.values(obj);
+ for (var i = 0, length = obj.length; i < length; i++) {
+ value = obj[i];
+ if (value > result) {
+ result = value;
+ }
+ }
+ } else {
+ iteratee = cb(iteratee, context);
+ _.each(obj, function(value, index, list) {
+ computed = iteratee(value, index, list);
+ if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
+ result = value;
+ lastComputed = computed;
+ }
+ });
+ }
+ return result;
+ };
+
+ // Return the minimum element (or element-based computation).
+ _.min = function(obj, iteratee, context) {
+ var result = Infinity, lastComputed = Infinity,
+ value, computed;
+ if (iteratee == null && obj != null) {
+ obj = isArrayLike(obj) ? obj : _.values(obj);
+ for (var i = 0, length = obj.length; i < length; i++) {
+ value = obj[i];
+ if (value < result) {
+ result = value;
+ }
+ }
+ } else {
+ iteratee = cb(iteratee, context);
+ _.each(obj, function(value, index, list) {
+ computed = iteratee(value, index, list);
+ if (computed < lastComputed || computed === Infinity && result === Infinity) {
+ result = value;
+ lastComputed = computed;
+ }
+ });
+ }
+ return result;
+ };
+
+ // Shuffle a collection, using the modern version of the
+ // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
+ _.shuffle = function(obj) {
+ var set = isArrayLike(obj) ? obj : _.values(obj);
+ var length = set.length;
+ var shuffled = Array(length);
+ for (var index = 0, rand; index < length; index++) {
+ rand = _.random(0, index);
+ if (rand !== index) shuffled[index] = shuffled[rand];
+ shuffled[rand] = set[index];
+ }
+ return shuffled;
+ };
+
+ // Sample **n** random values from a collection.
+ // If **n** is not specified, returns a single random element.
+ // The internal `guard` argument allows it to work with `map`.
+ _.sample = function(obj, n, guard) {
+ if (n == null || guard) {
+ if (!isArrayLike(obj)) obj = _.values(obj);
+ return obj[_.random(obj.length - 1)];
+ }
+ return _.shuffle(obj).slice(0, Math.max(0, n));
+ };
+
+ // Sort the object's values by a criterion produced by an iteratee.
+ _.sortBy = function(obj, iteratee, context) {
+ iteratee = cb(iteratee, context);
+ return _.pluck(_.map(obj, function(value, index, list) {
+ return {
+ value: value,
+ index: index,
+ criteria: iteratee(value, index, list)
+ };
+ }).sort(function(left, right) {
+ var a = left.criteria;
+ var b = right.criteria;
+ if (a !== b) {
+ if (a > b || a === void 0) return 1;
+ if (a < b || b === void 0) return -1;
+ }
+ return left.index - right.index;
+ }), 'value');
+ };
+
+ // An internal function used for aggregate "group by" operations.
+ var group = function(behavior) {
+ return function(obj, iteratee, context) {
+ var result = {};
+ iteratee = cb(iteratee, context);
+ _.each(obj, function(value, index) {
+ var key = iteratee(value, index, obj);
+ behavior(result, value, key);
+ });
+ return result;
+ };
+ };
+
+ // Groups the object's values by a criterion. Pass either a string attribute
+ // to group by, or a function that returns the criterion.
+ _.groupBy = group(function(result, value, key) {
+ if (_.has(result, key)) result[key].push(value); else result[key] = [value];
+ });
+
+ // Indexes the object's values by a criterion, similar to `groupBy`, but for
+ // when you know that your index values will be unique.
+ _.indexBy = group(function(result, value, key) {
+ result[key] = value;
+ });
+
+ // Counts instances of an object that group by a certain criterion. Pass
+ // either a string attribute to count by, or a function that returns the
+ // criterion.
+ _.countBy = group(function(result, value, key) {
+ if (_.has(result, key)) result[key]++; else result[key] = 1;
+ });
+
+ // Safely create a real, live array from anything iterable.
+ _.toArray = function(obj) {
+ if (!obj) return [];
+ if (_.isArray(obj)) return slice.call(obj);
+ if (isArrayLike(obj)) return _.map(obj, _.identity);
+ return _.values(obj);
+ };
+
+ // Return the number of elements in an object.
+ _.size = function(obj) {
+ if (obj == null) return 0;
+ return isArrayLike(obj) ? obj.length : _.keys(obj).length;
+ };
+
+ // Split a collection into two arrays: one whose elements all satisfy the given
+ // predicate, and one whose elements all do not satisfy the predicate.
+ _.partition = function(obj, predicate, context) {
+ predicate = cb(predicate, context);
+ var pass = [], fail = [];
+ _.each(obj, function(value, key, obj) {
+ (predicate(value, key, obj) ? pass : fail).push(value);
+ });
+ return [pass, fail];
+ };
+
+ // Array Functions
+ // ---------------
+
+ // Get the first element of an array. Passing **n** will return the first N
+ // values in the array. Aliased as `head` and `take`. The **guard** check
+ // allows it to work with `_.map`.
+ _.first = _.head = _.take = function(array, n, guard) {
+ if (array == null) return void 0;
+ if (n == null || guard) return array[0];
+ return _.initial(array, array.length - n);
+ };
+
+ // Returns everything but the last entry of the array. Especially useful on
+ // the arguments object. Passing **n** will return all the values in
+ // the array, excluding the last N.
+ _.initial = function(array, n, guard) {
+ return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+ };
+
+ // Get the last element of an array. Passing **n** will return the last N
+ // values in the array.
+ _.last = function(array, n, guard) {
+ if (array == null) return void 0;
+ if (n == null || guard) return array[array.length - 1];
+ return _.rest(array, Math.max(0, array.length - n));
+ };
+
+ // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+ // Especially useful on the arguments object. Passing an **n** will return
+ // the rest N values in the array.
+ _.rest = _.tail = _.drop = function(array, n, guard) {
+ return slice.call(array, n == null || guard ? 1 : n);
+ };
+
+ // Trim out all falsy values from an array.
+ _.compact = function(array) {
+ return _.filter(array, _.identity);
+ };
+
+ // Internal implementation of a recursive `flatten` function.
+ var flatten = function(input, shallow, strict, startIndex) {
+ var output = [], idx = 0;
+ for (var i = startIndex || 0, length = getLength(input); i < length; i++) {
+ var value = input[i];
+ if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {
+ //flatten current level of array or arguments object
+ if (!shallow) value = flatten(value, shallow, strict);
+ var j = 0, len = value.length;
+ output.length += len;
+ while (j < len) {
+ output[idx++] = value[j++];
+ }
+ } else if (!strict) {
+ output[idx++] = value;
+ }
+ }
+ return output;
+ };
+
+ // Flatten out an array, either recursively (by default), or just one level.
+ _.flatten = function(array, shallow) {
+ return flatten(array, shallow, false);
+ };
+
+ // Return a version of the array that does not contain the specified value(s).
+ _.without = function(array) {
+ return _.difference(array, slice.call(arguments, 1));
+ };
+
+ // Produce a duplicate-free version of the array. If the array has already
+ // been sorted, you have the option of using a faster algorithm.
+ // Aliased as `unique`.
+ _.uniq = _.unique = function(array, isSorted, iteratee, context) {
+ if (!_.isBoolean(isSorted)) {
+ context = iteratee;
+ iteratee = isSorted;
+ isSorted = false;
+ }
+ if (iteratee != null) iteratee = cb(iteratee, context);
+ var result = [];
+ var seen = [];
+ for (var i = 0, length = getLength(array); i < length; i++) {
+ var value = array[i],
+ computed = iteratee ? iteratee(value, i, array) : value;
+ if (isSorted) {
+ if (!i || seen !== computed) result.push(value);
+ seen = computed;
+ } else if (iteratee) {
+ if (!_.contains(seen, computed)) {
+ seen.push(computed);
+ result.push(value);
+ }
+ } else if (!_.contains(result, value)) {
+ result.push(value);
+ }
+ }
+ return result;
+ };
+
+ // Produce an array that contains the union: each distinct element from all of
+ // the passed-in arrays.
+ _.union = function() {
+ return _.uniq(flatten(arguments, true, true));
+ };
+
+ // Produce an array that contains every item shared between all the
+ // passed-in arrays.
+ _.intersection = function(array) {
+ var result = [];
+ var argsLength = arguments.length;
+ for (var i = 0, length = getLength(array); i < length; i++) {
+ var item = array[i];
+ if (_.contains(result, item)) continue;
+ for (var j = 1; j < argsLength; j++) {
+ if (!_.contains(arguments[j], item)) break;
+ }
+ if (j === argsLength) result.push(item);
+ }
+ return result;
+ };
+
+ // Take the difference between one array and a number of other arrays.
+ // Only the elements present in just the first array will remain.
+ _.difference = function(array) {
+ var rest = flatten(arguments, true, true, 1);
+ return _.filter(array, function(value){
+ return !_.contains(rest, value);
+ });
+ };
+
+ // Zip together multiple lists into a single array -- elements that share
+ // an index go together.
+ _.zip = function() {
+ return _.unzip(arguments);
+ };
+
+ // Complement of _.zip. Unzip accepts an array of arrays and groups
+ // each array's elements on shared indices
+ _.unzip = function(array) {
+ var length = array && _.max(array, getLength).length || 0;
+ var result = Array(length);
+
+ for (var index = 0; index < length; index++) {
+ result[index] = _.pluck(array, index);
+ }
+ return result;
+ };
+
+ // Converts lists into objects. Pass either a single array of `[key, value]`
+ // pairs, or two parallel arrays of the same length -- one of keys, and one of
+ // the corresponding values.
+ _.object = function(list, values) {
+ var result = {};
+ for (var i = 0, length = getLength(list); i < length; i++) {
+ if (values) {
+ result[list[i]] = values[i];
+ } else {
+ result[list[i][0]] = list[i][1];
+ }
+ }
+ return result;
+ };
+
+ // Generator function to create the findIndex and findLastIndex functions
+ function createPredicateIndexFinder(dir) {
+ return function(array, predicate, context) {
+ predicate = cb(predicate, context);
+ var length = getLength(array);
+ var index = dir > 0 ? 0 : length - 1;
+ for (; index >= 0 && index < length; index += dir) {
+ if (predicate(array[index], index, array)) return index;
+ }
+ return -1;
+ };
+ }
+
+ // Returns the first index on an array-like that passes a predicate test
+ _.findIndex = createPredicateIndexFinder(1);
+ _.findLastIndex = createPredicateIndexFinder(-1);
+
+ // Use a comparator function to figure out the smallest index at which
+ // an object should be inserted so as to maintain order. Uses binary search.
+ _.sortedIndex = function(array, obj, iteratee, context) {
+ iteratee = cb(iteratee, context, 1);
+ var value = iteratee(obj);
+ var low = 0, high = getLength(array);
+ while (low < high) {
+ var mid = Math.floor((low + high) / 2);
+ if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
+ }
+ return low;
+ };
+
+ // Generator function to create the indexOf and lastIndexOf functions
+ function createIndexFinder(dir, predicateFind, sortedIndex) {
+ return function(array, item, idx) {
+ var i = 0, length = getLength(array);
+ if (typeof idx == 'number') {
+ if (dir > 0) {
+ i = idx >= 0 ? idx : Math.max(idx + length, i);
+ } else {
+ length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
+ }
+ } else if (sortedIndex && idx && length) {
+ idx = sortedIndex(array, item);
+ return array[idx] === item ? idx : -1;
+ }
+ if (item !== item) {
+ idx = predicateFind(slice.call(array, i, length), _.isNaN);
+ return idx >= 0 ? idx + i : -1;
+ }
+ for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
+ if (array[idx] === item) return idx;
+ }
+ return -1;
+ };
+ }
+
+ // Return the position of the first occurrence of an item in an array,
+ // or -1 if the item is not included in the array.
+ // If the array is large and already in sort order, pass `true`
+ // for **isSorted** to use binary search.
+ _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);
+ _.lastIndexOf = createIndexFinder(-1, _.findLastIndex);
+
+ // Generate an integer Array containing an arithmetic progression. A port of
+ // the native Python `range()` function. See
+ // [the Python documentation](http://docs.python.org/library/functions.html#range).
+ _.range = function(start, stop, step) {
+ if (stop == null) {
+ stop = start || 0;
+ start = 0;
+ }
+ step = step || 1;
+
+ var length = Math.max(Math.ceil((stop - start) / step), 0);
+ var range = Array(length);
+
+ for (var idx = 0; idx < length; idx++, start += step) {
+ range[idx] = start;
+ }
+
+ return range;
+ };
+
+ // Function (ahem) Functions
+ // ------------------
+
+ // Determines whether to execute a function as a constructor
+ // or a normal function with the provided arguments
+ var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
+ if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
+ var self = baseCreate(sourceFunc.prototype);
+ var result = sourceFunc.apply(self, args);
+ if (_.isObject(result)) return result;
+ return self;
+ };
+
+ // Create a function bound to a given object (assigning `this`, and arguments,
+ // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+ // available.
+ _.bind = function(func, context) {
+ if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+ if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
+ var args = slice.call(arguments, 2);
+ var bound = function() {
+ return executeBound(func, bound, context, this, args.concat(slice.call(arguments)));
+ };
+ return bound;
+ };
+
+ // Partially apply a function by creating a version that has had some of its
+ // arguments pre-filled, without changing its dynamic `this` context. _ acts
+ // as a placeholder, allowing any combination of arguments to be pre-filled.
+ _.partial = function(func) {
+ var boundArgs = slice.call(arguments, 1);
+ var bound = function() {
+ var position = 0, length = boundArgs.length;
+ var args = Array(length);
+ for (var i = 0; i < length; i++) {
+ args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i];
+ }
+ while (position < arguments.length) args.push(arguments[position++]);
+ return executeBound(func, bound, this, this, args);
+ };
+ return bound;
+ };
+
+ // Bind a number of an object's methods to that object. Remaining arguments
+ // are the method names to be bound. Useful for ensuring that all callbacks
+ // defined on an object belong to it.
+ _.bindAll = function(obj) {
+ var i, length = arguments.length, key;
+ if (length <= 1) throw new Error('bindAll must be passed function names');
+ for (i = 1; i < length; i++) {
+ key = arguments[i];
+ obj[key] = _.bind(obj[key], obj);
+ }
+ return obj;
+ };
+
+ // Memoize an expensive function by storing its results.
+ _.memoize = function(func, hasher) {
+ var memoize = function(key) {
+ var cache = memoize.cache;
+ var address = '' + (hasher ? hasher.apply(this, arguments) : key);
+ if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);
+ return cache[address];
+ };
+ memoize.cache = {};
+ return memoize;
+ };
+
+ // Delays a function for the given number of milliseconds, and then calls
+ // it with the arguments supplied.
+ _.delay = function(func, wait) {
+ var args = slice.call(arguments, 2);
+ return setTimeout(function(){
+ return func.apply(null, args);
+ }, wait);
+ };
+
+ // Defers a function, scheduling it to run after the current call stack has
+ // cleared.
+ _.defer = _.partial(_.delay, _, 1);
+
+ // Returns a function, that, when invoked, will only be triggered at most once
+ // during a given window of time. Normally, the throttled function will run
+ // as much as it can, without ever going more than once per `wait` duration;
+ // but if you'd like to disable the execution on the leading edge, pass
+ // `{leading: false}`. To disable execution on the trailing edge, ditto.
+ _.throttle = function(func, wait, options) {
+ var context, args, result;
+ var timeout = null;
+ var previous = 0;
+ if (!options) options = {};
+ var later = function() {
+ previous = options.leading === false ? 0 : _.now();
+ timeout = null;
+ result = func.apply(context, args);
+ if (!timeout) context = args = null;
+ };
+ return function() {
+ var now = _.now();
+ if (!previous && options.leading === false) previous = now;
+ var remaining = wait - (now - previous);
+ context = this;
+ args = arguments;
+ if (remaining <= 0 || remaining > wait) {
+ if (timeout) {
+ clearTimeout(timeout);
+ timeout = null;
+ }
+ previous = now;
+ result = func.apply(context, args);
+ if (!timeout) context = args = null;
+ } else if (!timeout && options.trailing !== false) {
+ timeout = setTimeout(later, remaining);
+ }
+ return result;
+ };
+ };
+
+ // Returns a function, that, as long as it continues to be invoked, will not
+ // be triggered. The function will be called after it stops being called for
+ // N milliseconds. If `immediate` is passed, trigger the function on the
+ // leading edge, instead of the trailing.
+ _.debounce = function(func, wait, immediate) {
+ var timeout, args, context, timestamp, result;
+
+ var later = function() {
+ var last = _.now() - timestamp;
+
+ if (last < wait && last >= 0) {
+ timeout = setTimeout(later, wait - last);
+ } else {
+ timeout = null;
+ if (!immediate) {
+ result = func.apply(context, args);
+ if (!timeout) context = args = null;
+ }
+ }
+ };
+
+ return function() {
+ context = this;
+ args = arguments;
+ timestamp = _.now();
+ var callNow = immediate && !timeout;
+ if (!timeout) timeout = setTimeout(later, wait);
+ if (callNow) {
+ result = func.apply(context, args);
+ context = args = null;
+ }
+
+ return result;
+ };
+ };
+
+ // Returns the first function passed as an argument to the second,
+ // allowing you to adjust arguments, run code before and after, and
+ // conditionally execute the original function.
+ _.wrap = function(func, wrapper) {
+ return _.partial(wrapper, func);
+ };
+
+ // Returns a negated version of the passed-in predicate.
+ _.negate = function(predicate) {
+ return function() {
+ return !predicate.apply(this, arguments);
+ };
+ };
+
+ // Returns a function that is the composition of a list of functions, each
+ // consuming the return value of the function that follows.
+ _.compose = function() {
+ var args = arguments;
+ var start = args.length - 1;
+ return function() {
+ var i = start;
+ var result = args[start].apply(this, arguments);
+ while (i--) result = args[i].call(this, result);
+ return result;
+ };
+ };
+
+ // Returns a function that will only be executed on and after the Nth call.
+ _.after = function(times, func) {
+ return function() {
+ if (--times < 1) {
+ return func.apply(this, arguments);
+ }
+ };
+ };
+
+ // Returns a function that will only be executed up to (but not including) the Nth call.
+ _.before = function(times, func) {
+ var memo;
+ return function() {
+ if (--times > 0) {
+ memo = func.apply(this, arguments);
+ }
+ if (times <= 1) func = null;
+ return memo;
+ };
+ };
+
+ // Returns a function that will be executed at most one time, no matter how
+ // often you call it. Useful for lazy initialization.
+ _.once = _.partial(_.before, 2);
+
+ // Object Functions
+ // ----------------
+
+ // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
+ var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
+ var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
+ 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
+
+ function collectNonEnumProps(obj, keys) {
+ var nonEnumIdx = nonEnumerableProps.length;
+ var constructor = obj.constructor;
+ var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto;
+
+ // Constructor is a special case.
+ var prop = 'constructor';
+ if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop);
+
+ while (nonEnumIdx--) {
+ prop = nonEnumerableProps[nonEnumIdx];
+ if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) {
+ keys.push(prop);
+ }
+ }
+ }
+
+ // Retrieve the names of an object's own properties.
+ // Delegates to **ECMAScript 5**'s native `Object.keys`
+ _.keys = function(obj) {
+ if (!_.isObject(obj)) return [];
+ if (nativeKeys) return nativeKeys(obj);
+ var keys = [];
+ for (var key in obj) if (_.has(obj, key)) keys.push(key);
+ // Ahem, IE < 9.
+ if (hasEnumBug) collectNonEnumProps(obj, keys);
+ return keys;
+ };
+
+ // Retrieve all the property names of an object.
+ _.allKeys = function(obj) {
+ if (!_.isObject(obj)) return [];
+ var keys = [];
+ for (var key in obj) keys.push(key);
+ // Ahem, IE < 9.
+ if (hasEnumBug) collectNonEnumProps(obj, keys);
+ return keys;
+ };
+
+ // Retrieve the values of an object's properties.
+ _.values = function(obj) {
+ var keys = _.keys(obj);
+ var length = keys.length;
+ var values = Array(length);
+ for (var i = 0; i < length; i++) {
+ values[i] = obj[keys[i]];
+ }
+ return values;
+ };
+
+ // Returns the results of applying the iteratee to each element of the object
+ // In contrast to _.map it returns an object
+ _.mapObject = function(obj, iteratee, context) {
+ iteratee = cb(iteratee, context);
+ var keys = _.keys(obj),
+ length = keys.length,
+ results = {},
+ currentKey;
+ for (var index = 0; index < length; index++) {
+ currentKey = keys[index];
+ results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
+ }
+ return results;
+ };
+
+ // Convert an object into a list of `[key, value]` pairs.
+ _.pairs = function(obj) {
+ var keys = _.keys(obj);
+ var length = keys.length;
+ var pairs = Array(length);
+ for (var i = 0; i < length; i++) {
+ pairs[i] = [keys[i], obj[keys[i]]];
+ }
+ return pairs;
+ };
+
+ // Invert the keys and values of an object. The values must be serializable.
+ _.invert = function(obj) {
+ var result = {};
+ var keys = _.keys(obj);
+ for (var i = 0, length = keys.length; i < length; i++) {
+ result[obj[keys[i]]] = keys[i];
+ }
+ return result;
+ };
+
+ // Return a sorted list of the function names available on the object.
+ // Aliased as `methods`
+ _.functions = _.methods = function(obj) {
+ var names = [];
+ for (var key in obj) {
+ if (_.isFunction(obj[key])) names.push(key);
+ }
+ return names.sort();
+ };
+
+ // Extend a given object with all the properties in passed-in object(s).
+ _.extend = createAssigner(_.allKeys);
+
+ // Assigns a given object with all the own properties in the passed-in object(s)
+ // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
+ _.extendOwn = _.assign = createAssigner(_.keys);
+
+ // Returns the first key on an object that passes a predicate test
+ _.findKey = function(obj, predicate, context) {
+ predicate = cb(predicate, context);
+ var keys = _.keys(obj), key;
+ for (var i = 0, length = keys.length; i < length; i++) {
+ key = keys[i];
+ if (predicate(obj[key], key, obj)) return key;
+ }
+ };
+
+ // Return a copy of the object only containing the whitelisted properties.
+ _.pick = function(object, oiteratee, context) {
+ var result = {}, obj = object, iteratee, keys;
+ if (obj == null) return result;
+ if (_.isFunction(oiteratee)) {
+ keys = _.allKeys(obj);
+ iteratee = optimizeCb(oiteratee, context);
+ } else {
+ keys = flatten(arguments, false, false, 1);
+ iteratee = function(value, key, obj) { return key in obj; };
+ obj = Object(obj);
+ }
+ for (var i = 0, length = keys.length; i < length; i++) {
+ var key = keys[i];
+ var value = obj[key];
+ if (iteratee(value, key, obj)) result[key] = value;
+ }
+ return result;
+ };
+
+ // Return a copy of the object without the blacklisted properties.
+ _.omit = function(obj, iteratee, context) {
+ if (_.isFunction(iteratee)) {
+ iteratee = _.negate(iteratee);
+ } else {
+ var keys = _.map(flatten(arguments, false, false, 1), String);
+ iteratee = function(value, key) {
+ return !_.contains(keys, key);
+ };
+ }
+ return _.pick(obj, iteratee, context);
+ };
+
+ // Fill in a given object with default properties.
+ _.defaults = createAssigner(_.allKeys, true);
+
+ // Creates an object that inherits from the given prototype object.
+ // If additional properties are provided then they will be added to the
+ // created object.
+ _.create = function(prototype, props) {
+ var result = baseCreate(prototype);
+ if (props) _.extendOwn(result, props);
+ return result;
+ };
+
+ // Create a (shallow-cloned) duplicate of an object.
+ _.clone = function(obj) {
+ if (!_.isObject(obj)) return obj;
+ return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+ };
+
+ // Invokes interceptor with the obj, and then returns obj.
+ // The primary purpose of this method is to "tap into" a method chain, in
+ // order to perform operations on intermediate results within the chain.
+ _.tap = function(obj, interceptor) {
+ interceptor(obj);
+ return obj;
+ };
+
+ // Returns whether an object has a given set of `key:value` pairs.
+ _.isMatch = function(object, attrs) {
+ var keys = _.keys(attrs), length = keys.length;
+ if (object == null) return !length;
+ var obj = Object(object);
+ for (var i = 0; i < length; i++) {
+ var key = keys[i];
+ if (attrs[key] !== obj[key] || !(key in obj)) return false;
+ }
+ return true;
+ };
+
+
+ // Internal recursive comparison function for `isEqual`.
+ var eq = function(a, b, aStack, bStack) {
+ // Identical objects are equal. `0 === -0`, but they aren't identical.
+ // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
+ if (a === b) return a !== 0 || 1 / a === 1 / b;
+ // A strict comparison is necessary because `null == undefined`.
+ if (a == null || b == null) return a === b;
+ // Unwrap any wrapped objects.
+ if (a instanceof _) a = a._wrapped;
+ if (b instanceof _) b = b._wrapped;
+ // Compare `[[Class]]` names.
+ var className = toString.call(a);
+ if (className !== toString.call(b)) return false;
+ switch (className) {
+ // Strings, numbers, regular expressions, dates, and booleans are compared by value.
+ case '[object RegExp]':
+ // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
+ case '[object String]':
+ // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+ // equivalent to `new String("5")`.
+ return '' + a === '' + b;
+ case '[object Number]':
+ // `NaN`s are equivalent, but non-reflexive.
+ // Object(NaN) is equivalent to NaN
+ if (+a !== +a) return +b !== +b;
+ // An `egal` comparison is performed for other numeric values.
+ return +a === 0 ? 1 / +a === 1 / b : +a === +b;
+ case '[object Date]':
+ case '[object Boolean]':
+ // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+ // millisecond representations. Note that invalid dates with millisecond representations
+ // of `NaN` are not equivalent.
+ return +a === +b;
+ }
+
+ var areArrays = className === '[object Array]';
+ if (!areArrays) {
+ if (typeof a != 'object' || typeof b != 'object') return false;
+
+ // Objects with different constructors are not equivalent, but `Object`s or `Array`s
+ // from different frames are.
+ var aCtor = a.constructor, bCtor = b.constructor;
+ if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
+ _.isFunction(bCtor) && bCtor instanceof bCtor)
+ && ('constructor' in a && 'constructor' in b)) {
+ return false;
+ }
+ }
+ // Assume equality for cyclic structures. The algorithm for detecting cyclic
+ // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+
+ // Initializing stack of traversed objects.
+ // It's done here since we only need them for objects and arrays comparison.
+ aStack = aStack || [];
+ bStack = bStack || [];
+ var length = aStack.length;
+ while (length--) {
+ // Linear search. Performance is inversely proportional to the number of
+ // unique nested structures.
+ if (aStack[length] === a) return bStack[length] === b;
+ }
+
+ // Add the first object to the stack of traversed objects.
+ aStack.push(a);
+ bStack.push(b);
+
+ // Recursively compare objects and arrays.
+ if (areArrays) {
+ // Compare array lengths to determine if a deep comparison is necessary.
+ length = a.length;
+ if (length !== b.length) return false;
+ // Deep compare the contents, ignoring non-numeric properties.
+ while (length--) {
+ if (!eq(a[length], b[length], aStack, bStack)) return false;
+ }
+ } else {
+ // Deep compare objects.
+ var keys = _.keys(a), key;
+ length = keys.length;
+ // Ensure that both objects contain the same number of properties before comparing deep equality.
+ if (_.keys(b).length !== length) return false;
+ while (length--) {
+ // Deep compare each member
+ key = keys[length];
+ if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
+ }
+ }
+ // Remove the first object from the stack of traversed objects.
+ aStack.pop();
+ bStack.pop();
+ return true;
+ };
+
+ // Perform a deep comparison to check if two objects are equal.
+ _.isEqual = function(a, b) {
+ return eq(a, b);
+ };
+
+ // Is a given array, string, or object empty?
+ // An "empty" object has no enumerable own-properties.
+ _.isEmpty = function(obj) {
+ if (obj == null) return true;
+ if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;
+ return _.keys(obj).length === 0;
+ };
+
+ // Is a given value a DOM element?
+ _.isElement = function(obj) {
+ return !!(obj && obj.nodeType === 1);
+ };
+
+ // Is a given value an array?
+ // Delegates to ECMA5's native Array.isArray
+ _.isArray = nativeIsArray || function(obj) {
+ return toString.call(obj) === '[object Array]';
+ };
+
+ // Is a given variable an object?
+ _.isObject = function(obj) {
+ var type = typeof obj;
+ return type === 'function' || type === 'object' && !!obj;
+ };
+
+ // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.
+ _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) {
+ _['is' + name] = function(obj) {
+ return toString.call(obj) === '[object ' + name + ']';
+ };
+ });
+
+ // Define a fallback version of the method in browsers (ahem, IE < 9), where
+ // there isn't any inspectable "Arguments" type.
+ if (!_.isArguments(arguments)) {
+ _.isArguments = function(obj) {
+ return _.has(obj, 'callee');
+ };
+ }
+
+ // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,
+ // IE 11 (#1621), and in Safari 8 (#1929).
+ if (typeof /./ != 'function' && typeof Int8Array != 'object') {
+ _.isFunction = function(obj) {
+ return typeof obj == 'function' || false;
+ };
+ }
+
+ // Is a given object a finite number?
+ _.isFinite = function(obj) {
+ return isFinite(obj) && !isNaN(parseFloat(obj));
+ };
+
+ // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+ _.isNaN = function(obj) {
+ return _.isNumber(obj) && obj !== +obj;
+ };
+
+ // Is a given value a boolean?
+ _.isBoolean = function(obj) {
+ return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
+ };
+
+ // Is a given value equal to null?
+ _.isNull = function(obj) {
+ return obj === null;
+ };
+
+ // Is a given variable undefined?
+ _.isUndefined = function(obj) {
+ return obj === void 0;
+ };
+
+ // Shortcut function for checking if an object has a given property directly
+ // on itself (in other words, not on a prototype).
+ _.has = function(obj, key) {
+ return obj != null && hasOwnProperty.call(obj, key);
+ };
+
+ // Utility Functions
+ // -----------------
+
+ // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+ // previous owner. Returns a reference to the Underscore object.
+ _.noConflict = function() {
+ root._ = previousUnderscore;
+ return this;
+ };
+
+ // Keep the identity function around for default iteratees.
+ _.identity = function(value) {
+ return value;
+ };
+
+ // Predicate-generating functions. Often useful outside of Underscore.
+ _.constant = function(value) {
+ return function() {
+ return value;
+ };
+ };
+
+ _.noop = function(){};
+
+ _.property = property;
+
+ // Generates a function for a given object that returns a given property.
+ _.propertyOf = function(obj) {
+ return obj == null ? function(){} : function(key) {
+ return obj[key];
+ };
+ };
+
+ // Returns a predicate for checking whether an object has a given set of
+ // `key:value` pairs.
+ _.matcher = _.matches = function(attrs) {
+ attrs = _.extendOwn({}, attrs);
+ return function(obj) {
+ return _.isMatch(obj, attrs);
+ };
+ };
+
+ // Run a function **n** times.
+ _.times = function(n, iteratee, context) {
+ var accum = Array(Math.max(0, n));
+ iteratee = optimizeCb(iteratee, context, 1);
+ for (var i = 0; i < n; i++) accum[i] = iteratee(i);
+ return accum;
+ };
+
+ // Return a random integer between min and max (inclusive).
+ _.random = function(min, max) {
+ if (max == null) {
+ max = min;
+ min = 0;
+ }
+ return min + Math.floor(Math.random() * (max - min + 1));
+ };
+
+ // A (possibly faster) way to get the current timestamp as an integer.
+ _.now = Date.now || function() {
+ return new Date().getTime();
+ };
+
+ // List of HTML entities for escaping.
+ var escapeMap = {
+ '&': '&',
+ '<': '<',
+ '>': '>',
+ '"': '"',
+ "'": ''',
+ '`': '`'
+ };
+ var unescapeMap = _.invert(escapeMap);
+
+ // Functions for escaping and unescaping strings to/from HTML interpolation.
+ var createEscaper = function(map) {
+ var escaper = function(match) {
+ return map[match];
+ };
+ // Regexes for identifying a key that needs to be escaped
+ var source = '(?:' + _.keys(map).join('|') + ')';
+ var testRegexp = RegExp(source);
+ var replaceRegexp = RegExp(source, 'g');
+ return function(string) {
+ string = string == null ? '' : '' + string;
+ return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+ };
+ };
+ _.escape = createEscaper(escapeMap);
+ _.unescape = createEscaper(unescapeMap);
+
+ // If the value of the named `property` is a function then invoke it with the
+ // `object` as context; otherwise, return it.
+ _.result = function(object, property, fallback) {
+ var value = object == null ? void 0 : object[property];
+ if (value === void 0) {
+ value = fallback;
+ }
+ return _.isFunction(value) ? value.call(object) : value;
+ };
+
+ // Generate a unique integer id (unique within the entire client session).
+ // Useful for temporary DOM ids.
+ var idCounter = 0;
+ _.uniqueId = function(prefix) {
+ var id = ++idCounter + '';
+ return prefix ? prefix + id : id;
+ };
+
+ // By default, Underscore uses ERB-style template delimiters, change the
+ // following template settings to use alternative delimiters.
+ _.templateSettings = {
+ evaluate : /<%([\s\S]+?)%>/g,
+ interpolate : /<%=([\s\S]+?)%>/g,
+ escape : /<%-([\s\S]+?)%>/g
+ };
+
+ // When customizing `templateSettings`, if you don't want to define an
+ // interpolation, evaluation or escaping regex, we need one that is
+ // guaranteed not to match.
+ var noMatch = /(.)^/;
+
+ // Certain characters need to be escaped so that they can be put into a
+ // string literal.
+ var escapes = {
+ "'": "'",
+ '\\': '\\',
+ '\r': 'r',
+ '\n': 'n',
+ '\u2028': 'u2028',
+ '\u2029': 'u2029'
+ };
+
+ var escaper = /\\|'|\r|\n|\u2028|\u2029/g;
+
+ var escapeChar = function(match) {
+ return '\\' + escapes[match];
+ };
+
+ // JavaScript micro-templating, similar to John Resig's implementation.
+ // Underscore templating handles arbitrary delimiters, preserves whitespace,
+ // and correctly escapes quotes within interpolated code.
+ // NB: `oldSettings` only exists for backwards compatibility.
+ _.template = function(text, settings, oldSettings) {
+ if (!settings && oldSettings) settings = oldSettings;
+ settings = _.defaults({}, settings, _.templateSettings);
+
+ // Combine delimiters into one regular expression via alternation.
+ var matcher = RegExp([
+ (settings.escape || noMatch).source,
+ (settings.interpolate || noMatch).source,
+ (settings.evaluate || noMatch).source
+ ].join('|') + '|$', 'g');
+
+ // Compile the template source, escaping string literals appropriately.
+ var index = 0;
+ var source = "__p+='";
+ text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+ source += text.slice(index, offset).replace(escaper, escapeChar);
+ index = offset + match.length;
+
+ if (escape) {
+ source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+ } else if (interpolate) {
+ source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+ } else if (evaluate) {
+ source += "';\n" + evaluate + "\n__p+='";
+ }
+
+ // Adobe VMs need the match returned to produce the correct offest.
+ return match;
+ });
+ source += "';\n";
+
+ // If a variable is not specified, place data values in local scope.
+ if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+ source = "var __t,__p='',__j=Array.prototype.join," +
+ "print=function(){__p+=__j.call(arguments,'');};\n" +
+ source + 'return __p;\n';
+
+ try {
+ var render = new Function(settings.variable || 'obj', '_', source);
+ } catch (e) {
+ e.source = source;
+ throw e;
+ }
+
+ var template = function(data) {
+ return render.call(this, data, _);
+ };
+
+ // Provide the compiled source as a convenience for precompilation.
+ var argument = settings.variable || 'obj';
+ template.source = 'function(' + argument + '){\n' + source + '}';
+
+ return template;
+ };
+
+ // Add a "chain" function. Start chaining a wrapped Underscore object.
+ _.chain = function(obj) {
+ var instance = _(obj);
+ instance._chain = true;
+ return instance;
+ };
+
+ // OOP
+ // ---------------
+ // If Underscore is called as a function, it returns a wrapped object that
+ // can be used OO-style. This wrapper holds altered versions of all the
+ // underscore functions. Wrapped objects may be chained.
+
+ // Helper function to continue chaining intermediate results.
+ var result = function(instance, obj) {
+ return instance._chain ? _(obj).chain() : obj;
+ };
+
+ // Add your own custom functions to the Underscore object.
+ _.mixin = function(obj) {
+ _.each(_.functions(obj), function(name) {
+ var func = _[name] = obj[name];
+ _.prototype[name] = function() {
+ var args = [this._wrapped];
+ push.apply(args, arguments);
+ return result(this, func.apply(_, args));
+ };
+ });
+ };
+
+ // Add all of the Underscore functions to the wrapper object.
+ _.mixin(_);
+
+ // Add all mutator Array functions to the wrapper.
+ _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ var obj = this._wrapped;
+ method.apply(obj, arguments);
+ if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];
+ return result(this, obj);
+ };
+ });
+
+ // Add all accessor Array functions to the wrapper.
+ _.each(['concat', 'join', 'slice'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ return result(this, method.apply(this._wrapped, arguments));
+ };
+ });
+
+ // Extracts the result from a wrapped and chained object.
+ _.prototype.value = function() {
+ return this._wrapped;
+ };
+
+ // Provide unwrapping proxy for some methods used in engine operations
+ // such as arithmetic and JSON stringification.
+ _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
+
+ _.prototype.toString = function() {
+ return '' + this._wrapped;
+ };
+
+ // AMD registration happens at the end for compatibility with AMD loaders
+ // that may not enforce next-turn semantics on modules. Even though general
+ // practice for AMD registration is to be anonymous, underscore registers
+ // as a named module because, like jQuery, it is a base library that is
+ // popular enough to be bundled in a third party lib, but not be part of
+ // an AMD load request. Those cases could generate an error when an
+ // anonymous define() is called outside of a loader request.
+ if (true) {
+ !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {
+ return _;
+ }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+ }
+}.call(this));
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.getUnitFromValue = exports.normalizeFloat = exports.shallowDiff = exports.camelCase = exports.matches = exports.upFirst = exports.hasDnd = exports.off = exports.on = undefined;
+
+var _underscore = __webpack_require__(1);
+
+var elProt = window.Element.prototype;
+var matches = elProt.matches || elProt.webkitMatchesSelector || elProt.mozMatchesSelector || elProt.msMatchesSelector;
+
+/**
+ * Returns shallow diff between 2 objects
+ * @param {Object} objOrig
+ * @param {Objec} objNew
+ * @return {Object}
+ * @example
+ * var a = {foo: 'bar', baz: 1, faz: 'sop'};
+ * var b = {foo: 'bar', baz: 2, bar: ''};
+ * shallowDiff(a, b);
+ * // -> {baz: 2, faz: null, bar: ''};
+ */
+var shallowDiff = function shallowDiff(objOrig, objNew) {
+ var result = {};
+ var keysNew = (0, _underscore.keys)(objNew);
+
+ for (var prop in objOrig) {
+ if (objOrig.hasOwnProperty(prop)) {
+ var origValue = objOrig[prop];
+ var newValue = objNew[prop];
+
+ if (keysNew.indexOf(prop) >= 0) {
+ if (origValue !== newValue) {
+ result[prop] = newValue;
+ }
+ } else {
+ result[prop] = null;
+ }
+ }
+ }
+
+ for (var _prop in objNew) {
+ if (objNew.hasOwnProperty(_prop)) {
+ if ((0, _underscore.isUndefined)(objOrig[_prop])) {
+ result[_prop] = objNew[_prop];
+ }
+ }
+ }
+
+ return result;
+};
+
+var on = function on(el, ev, fn) {
+ ev = ev.split(/\s+/);
+ el = el instanceof Array ? el : [el];
+
+ var _loop = function _loop(i) {
+ el.forEach(function (elem) {
+ return elem.addEventListener(ev[i], fn);
+ });
+ };
+
+ for (var i = 0; i < ev.length; ++i) {
+ _loop(i);
+ }
+};
+
+var off = function off(el, ev, fn) {
+ ev = ev.split(/\s+/);
+ el = el instanceof Array ? el : [el];
+
+ var _loop2 = function _loop2(i) {
+ el.forEach(function (elem) {
+ return elem.removeEventListener(ev[i], fn);
+ });
+ };
+
+ for (var i = 0; i < ev.length; ++i) {
+ _loop2(i);
+ }
+};
+
+var getUnitFromValue = function getUnitFromValue(value) {
+ return value.replace(parseFloat(value), '');
+};
+
+var upFirst = function upFirst(value) {
+ return value[0].toUpperCase() + value.toLowerCase().slice(1);
+};
+
+var camelCase = function camelCase(value) {
+ var values = value.split('-');
+ return values[0].toLowerCase() + values.slice(1).map(upFirst);
+};
+
+var normalizeFloat = function normalizeFloat(value) {
+ var step = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+ var valueDef = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+ var stepDecimals = 0;
+ if (isNaN(value)) return valueDef;
+ value = parseFloat(value);
+
+ if (Math.floor(value) !== value) {
+ var side = step.toString().split('.')[1];
+ stepDecimals = side ? side.length : 0;
+ }
+
+ return stepDecimals ? parseFloat(value.toFixed(stepDecimals)) : value;
+};
+
+var hasDnd = function hasDnd(em) {
+ return 'draggable' in document.createElement('i') && (em ? em.get('Config').nativeDnD : 1);
+};
+
+exports.on = on;
+exports.off = off;
+exports.hasDnd = hasDnd;
+exports.upFirst = upFirst;
+exports.matches = matches;
+exports.camelCase = camelCase;
+exports.shallowDiff = shallowDiff;
+exports.normalizeFloat = normalizeFloat;
+exports.getUnitFromValue = getUnitFromValue;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone) {
+
+var _underscore = __webpack_require__(1);
+
+var ComponentsView = __webpack_require__(51);
+
+module.exports = Backbone.View.extend({
+ className: function className() {
+ return this.getClasses();
+ },
+ tagName: function tagName() {
+ return this.model.get('tagName');
+ },
+ initialize: function initialize() {
+ var opt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ var model = this.model;
+ var config = opt.config || {};
+ this.opts = opt;
+ this.config = config;
+ this.em = config.em || '';
+ this.pfx = config.stylePrefix || '';
+ this.ppfx = config.pStylePrefix || '';
+ this.attr = model.get('attributes');
+ this.classe = this.attr.class || [];
+ var $el = this.$el;
+ var classes = model.get('classes');
+ this.listenTo(model, 'destroy remove', this.remove);
+ this.listenTo(model, 'change:style', this.updateStyle);
+ this.listenTo(model, 'change:attributes', this.updateAttributes);
+ this.listenTo(model, 'change:highlightable', this.updateHighlight);
+ this.listenTo(model, 'change:status', this.updateStatus);
+ this.listenTo(model, 'change:state', this.updateState);
+ this.listenTo(model, 'change:script', this.render);
+ this.listenTo(model, 'change', this.handleChange);
+ this.listenTo(classes, 'add remove change', this.updateClasses);
+ $el.data('model', model);
+ $el.data('collection', model.get('components'));
+ model.view = this;
+ classes.length && this.importClasses();
+ this.init();
+ },
+ remove: function remove() {
+ Backbone.View.prototype.remove.apply(this);
+ var children = this.childrenView;
+ children && children.stopListening();
+ },
+
+
+ /**
+ * Initialize callback
+ */
+ init: function init() {},
+
+
+ /**
+ * Handle any property change
+ * @private
+ */
+ handleChange: function handleChange() {
+ var model = this.model;
+ model.emitUpdate();
+
+ for (var prop in model.changed) {
+ model.emitUpdate(prop);
+ }
+ },
+
+
+ /**
+ * Import, if possible, classes inside main container
+ * @private
+ * */
+ importClasses: function importClasses() {
+ var clm = this.config.em.get('SelectorManager');
+
+ if (clm) {
+ this.model.get('classes').each(function (m) {
+ clm.add(m.get('name'));
+ });
+ }
+ },
+
+
+ /**
+ * Fires on state update. If the state is not empty will add a helper class
+ * @param {Event} e
+ * @private
+ * */
+ updateState: function updateState(e) {
+ var cl = 'hc-state';
+ var state = this.model.get('state');
+
+ if (state) {
+ this.$el.addClass(cl);
+ } else {
+ this.$el.removeClass(cl);
+ }
+ },
+
+
+ /**
+ * Update item on status change
+ * @param {Event} e
+ * @private
+ * */
+ updateStatus: function updateStatus(e) {
+ var el = this.el;
+ var status = this.model.get('status');
+ var pfx = this.pfx;
+ var ppfx = this.ppfx;
+ var selectedCls = pfx + 'selected';
+ var selectedParentCls = selectedCls + '-parent';
+ var freezedCls = ppfx + 'freezed';
+ var actualCls = el.getAttribute('class') || '';
+ var cls = '';
+
+ switch (status) {
+ case 'selected':
+ cls = actualCls + ' ' + selectedCls;
+ break;
+ case 'selected-parent':
+ cls = actualCls + ' ' + selectedParentCls;
+ break;
+ case 'freezed':
+ cls = actualCls + ' ' + freezedCls;
+ break;
+ default:
+ this.$el.removeClass(selectedCls + ' ' + selectedParentCls + ' ' + freezedCls);
+ }
+
+ cls = cls.trim();
+
+ if (cls) {
+ el.setAttribute('class', cls);
+ }
+ },
+
+
+ /**
+ * Update highlight attribute
+ * @private
+ * */
+ updateHighlight: function updateHighlight() {
+ var hl = this.model.get('highlightable');
+ this.setAttribute('data-highlightable', hl ? 1 : '');
+ },
+
+
+ /**
+ * Update style attribute
+ * @private
+ * */
+ updateStyle: function updateStyle() {
+ var em = this.em;
+ var model = this.model;
+
+ if (em && em.get('avoidInlineStyle')) {
+ this.el.id = model.getId();
+ model.setStyle(model.getStyle());
+ } else {
+ this.setAttribute('style', model.styleToString());
+ }
+ },
+
+
+ /**
+ * Update classe attribute
+ * @private
+ * */
+ updateClasses: function updateClasses() {
+ var str = this.model.get('classes').pluck('name').join(' ');
+ this.setAttribute('class', str);
+
+ // Regenerate status class
+ this.updateStatus();
+ },
+
+
+ /**
+ * Update single attribute
+ * @param {[type]} name [description]
+ * @param {[type]} value [description]
+ */
+ setAttribute: function setAttribute(name, value) {
+ var el = this.$el;
+ value ? el.attr(name, value) : el.removeAttr(name);
+ },
+
+
+ /**
+ * Get classes from attributes.
+ * This method is called before initialize
+ *
+ * @return {Array}|null
+ * @private
+ * */
+ getClasses: function getClasses() {
+ var attr = this.model.get('attributes'),
+ classes = attr['class'] || [];
+ classes = (0, _underscore.isArray)(classes) ? classes : [classes];
+
+ if (classes.length) {
+ return classes.join(' ');
+ } else {
+ return null;
+ }
+ },
+
+
+ /**
+ * Update attributes
+ * @private
+ * */
+ updateAttributes: function updateAttributes() {
+ var model = this.model;
+ var attrs = {};
+ var attr = model.get('attributes');
+ var src = model.get('src');
+
+ for (var key in attr) {
+ attrs[key] = attr[key];
+ }
+
+ src && (attrs.src = src);
+ this.$el.attr(attrs);
+ this.updateHighlight();
+ this.updateStyle();
+ },
+
+
+ /**
+ * Update component content
+ * @private
+ * */
+ updateContent: function updateContent() {
+ this.getChildrenContainer().innerHTML = this.model.get('content');
+ },
+
+
+ /**
+ * Prevent default helper
+ * @param {Event} e
+ * @private
+ */
+ prevDef: function prevDef(e) {
+ e.preventDefault();
+ },
+
+
+ /**
+ * Render component's script
+ * @private
+ */
+ updateScript: function updateScript() {
+ if (!this.model.get('script')) {
+ return;
+ }
+
+ var em = this.em;
+ if (em) {
+ var canvas = em.get('Canvas');
+ canvas.getCanvasView().updateScript(this);
+ }
+ },
+
+
+ /**
+ * Return children container
+ * Differently from a simple component where children container is the
+ * component itself
+ *
+ *
+ *
+ * You could have the children container more deeper
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ * @return HTMLElement
+ * @private
+ */
+ getChildrenContainer: function getChildrenContainer() {
+ var container = this.el;
+
+ if (typeof this.getChildrenSelector == 'function') {
+ container = this.el.querySelector(this.getChildrenSelector());
+ } else if (typeof this.getTemplate == 'function') {
+ // Need to find deepest first child
+ }
+
+ return container;
+ },
+
+
+ /**
+ * Render children components
+ * @private
+ */
+ renderChildren: function renderChildren() {
+ var container = this.getChildrenContainer();
+ var view = new ComponentsView({
+ collection: this.model.get('components'),
+ config: this.config,
+ componentTypes: this.opts.componentTypes
+ });
+
+ view.render(container);
+ this.childrenView = view;
+ var childNodes = Array.prototype.slice.call(view.el.childNodes);
+
+ for (var i = 0, len = childNodes.length; i < len; i++) {
+ container.appendChild(childNodes.shift());
+ }
+
+ // If the children container is not the same as the component
+ // (so likely fetched with getChildrenSelector()) is necessary
+ // to disable pointer-events for all nested components as they
+ // might prevent the component to be selected
+ if (container !== this.el) {
+ var disableNode = function disableNode(el) {
+ var children = Array.prototype.slice.call(el.children);
+ children.forEach(function (el) {
+ el.style['pointer-events'] = 'none';
+ if (container !== el) {
+ disableNode(el);
+ }
+ });
+ };
+ disableNode(this.el);
+ }
+ },
+ renderAttributes: function renderAttributes() {
+ this.updateAttributes();
+ this.updateClasses();
+ },
+ render: function render() {
+ this.renderAttributes();
+ this.updateContent();
+ this.renderChildren();
+ this.updateScript();
+ this.onRender();
+ return this;
+ },
+ onRender: function onRender() {}
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var _underscore = __webpack_require__(1);
+
+var _mixins = __webpack_require__(2);
+
+var _Styleable = __webpack_require__(47);
+
+var _Styleable2 = _interopRequireDefault(_Styleable);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Backbone = __webpack_require__(0);
+var Components = __webpack_require__(50);
+var Selector = __webpack_require__(7);
+var Selectors = __webpack_require__(10);
+var Traits = __webpack_require__(150);
+var componentList = {};
+var componentIndex = 0;
+
+var escapeRegExp = function escapeRegExp(str) {
+ return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
+};
+
+var Component = Backbone.Model.extend(_Styleable2.default).extend({
+ defaults: {
+ // HTML tag of the component
+ tagName: 'div',
+
+ // Component type, eg. 'text', 'image', 'video', etc.
+ type: '',
+
+ // Name of the component. Will be used, for example, in layers and badges
+ name: '',
+
+ // True if the component is removable from the canvas
+ removable: true,
+
+ // Indicates if it's possible to drag the component inside others
+ // Tip: Indicate an array of selectors where it could be dropped inside
+ draggable: true,
+
+ // Indicates if it's possible to drop other components inside
+ // Tip: Indicate an array of selectors which could be dropped inside
+ droppable: true,
+
+ // Set false if don't want to see the badge (with the name) over the component
+ badgable: true,
+
+ // True if it's possible to style it
+ // Tip:
+ // Indicate an array of CSS properties which is possible to style, eg. ['color', 'width']
+ // All other properties will be hidden from the style manager
+ stylable: true,
+
+ // Indicate an array of style properties to show up which has been marked as `toRequire`
+ 'stylable-require': '',
+
+ // Indicate an array of style properties which should be hidden from the style manager
+ unstylable: '',
+
+ // Highlightable with 'dotted' style if true
+ highlightable: true,
+
+ // True if it's possible to clone the component
+ copyable: true,
+
+ // Indicates if it's possible to resize the component (at the moment implemented only on Image Components)
+ // It's also possible to pass an object as options for the Resizer
+ resizable: false,
+
+ // Allow to edit the content of the component (used on Text components)
+ editable: false,
+
+ // Hide the component inside Layers
+ layerable: true,
+
+ // Allow component to be selected when clicked
+ selectable: true,
+
+ // Shows a highlight outline when hovering on the element if true
+ hoverable: true,
+
+ // This property is used by the HTML exporter as void elements do not
+ // have closing tag, eg. ,
, etc.
+ void: false,
+
+ // Indicates if the component is in some CSS state like ':hover', ':active', etc.
+ state: '',
+
+ // State, eg. 'selected'
+ status: '',
+
+ // Content of the component (not escaped) which will be appended before children rendering
+ content: '',
+
+ // Component icon, this string will be inserted before the name, eg. ''
+ icon: '',
+
+ // Component related style
+ style: '',
+
+ // Key-value object of the component's attributes
+ attributes: '',
+
+ // Array of classes
+ classes: '',
+
+ // Component's javascript
+ script: '',
+
+ // Traits
+ traits: ['id', 'title'],
+
+ // Indicates an array of properties which will be inhereted by
+ // all NEW appended children
+ //
+ // If you create a model likes this
+ // removable: false,
+ // draggable: false,
+ // propagate: ['removable', 'draggable']
+ // When you append some new component inside, the new added model
+ // will get the exact same properties indicated in `propagate` array
+ // (as the `propagate` property itself)
+ //
+ propagate: '',
+
+ /**
+ * Set an array of items to show up inside the toolbar (eg. move, clone, delete)
+ * when the component is selected
+ * toolbar: [{
+ * attributes: {class: 'fa fa-arrows'},
+ * command: 'tlb-move',
+ * },{
+ * attributes: {class: 'fa fa-clone'},
+ * command: 'tlb-clone',
+ * }]
+ */
+ toolbar: null
+ },
+
+ initialize: function initialize() {
+ var _this = this;
+
+ var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var opt = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var em = opt.em;
+
+ // Propagate properties from parent if indicated
+ var parent = this.parent();
+ var parentAttr = parent && parent.attributes;
+
+ if (parentAttr && parentAttr.propagate) {
+ var newAttr = {};
+ var toPropagate = parentAttr.propagate;
+ toPropagate.forEach(function (prop) {
+ return newAttr[prop] = parent.get(prop);
+ });
+ newAttr.propagate = toPropagate;
+ newAttr = _extends({}, newAttr, props);
+ this.set(newAttr);
+ }
+
+ var propagate = this.get('propagate');
+ propagate && this.set('propagate', (0, _underscore.isArray)(propagate) ? propagate : [propagate]);
+
+ // Check void elements
+ if (opt && opt.config && opt.config.voidElements.indexOf(this.get('tagName')) >= 0) {
+ this.set('void', true);
+ }
+
+ opt.em = em;
+ this.opt = opt;
+ this.em = em;
+ this.config = opt.config || {};
+ this.ccid = Component.createId(this);
+ this.set('attributes', this.get('attributes') || {});
+ this.on('remove', this.handleRemove);
+ this.listenTo(this, 'change:script', this.scriptUpdated);
+ this.listenTo(this, 'change:traits', this.traitsUpdated);
+ this.listenTo(this, 'change:tagName', this.tagUpdated);
+ this.listenTo(this, 'change:attributes', this.attrUpdated);
+ this.initClasses();
+ this.loadTraits();
+ this.initComponents();
+ this.initToolbar();
+ this.set('status', '');
+ this.listenTo(this.get('classes'), 'add remove change', function () {
+ return _this.emitUpdate('classes');
+ });
+ this.init();
+ },
+
+
+ /**
+ * Triggered on model remove
+ * @param {Model} removed Removed model
+ * @private
+ */
+ handleRemove: function handleRemove(removed) {
+ var em = this.em;
+ em && em.trigger('component:remove', removed);
+ },
+
+
+ /**
+ * Check component's type
+ * @param {string} type Component type
+ * @return {Boolean}
+ * @example
+ * model.is('image')
+ * // -> false
+ */
+ is: function is(type) {
+ return !!(this.get('type') == type);
+ },
+
+
+ /**
+ * Find inner models by query string
+ * ATTENTION: this method works only with alredy rendered component
+ * @param {string} query Query string
+ * @return {Array} Array of models
+ * @example
+ * model.find('div > .class');
+ * // -> [Component, Component, ...]
+ */
+ find: function find(query) {
+ var result = [];
+
+ this.view.$el.find(query).each(function (el, i, $els) {
+ var $el = $els.eq(i);
+ var model = $el.data('model');
+ model && result.push(model);
+ });
+
+ return result;
+ },
+
+
+ /**
+ * Find closest model by query string
+ * ATTENTION: this method works only with alredy rendered component
+ * @param {string} query Query string
+ * @return {Component}
+ * @example
+ * model.closest('div');
+ */
+ closest: function closest(query) {
+ var result = this.view.$el.closest(query);
+ return result.length && result.data('model');
+ },
+
+
+ /**
+ * Once the tag is updated I have to remove the node and replace it
+ */
+ tagUpdated: function tagUpdated() {
+ var coll = this.collection;
+ var at = coll.indexOf(this);
+ coll.remove(this);
+ coll.add(this, { at: at });
+ },
+
+
+ /**
+ * Emit changes for each updated attribute
+ */
+ attrUpdated: function attrUpdated() {
+ var _this2 = this;
+
+ var attrPrev = _extends({}, this.previous('attributes'));
+ var attrCurrent = _extends({}, this.get('attributes'));
+ var diff = (0, _mixins.shallowDiff)(attrPrev, attrCurrent);
+ (0, _underscore.keys)(diff).forEach(function (pr) {
+ return _this2.trigger('change:attributes:' + pr);
+ });
+ },
+
+
+ /**
+ * Update attributes of the model
+ * @param {Object} attrs Key value attributes
+ * @example
+ * model.setAttributes({id: 'test', 'data-key': 'value'});
+ */
+ setAttributes: function setAttributes(attrs) {
+ attrs = _extends({}, attrs);
+
+ // Handle classes
+ var classes = attrs.class;
+ classes && this.setClass(classes);
+ delete attrs.class;
+
+ // Handle style
+ var style = attrs.style;
+ style && this.setStyle(style);
+ delete attrs.style;
+
+ this.set('attributes', attrs);
+ },
+
+
+ /**
+ * Add attributes to the model
+ * @param {Object} attrs Key value attributes
+ * @example
+ * model.addAttributes({id: 'test'});
+ */
+ addAttributes: function addAttributes(attrs) {
+ var newAttrs = _extends({}, this.getAttributes(), attrs);
+ this.setAttributes(newAttrs);
+ },
+ getStyle: function getStyle() {
+ var em = this.em;
+
+ if (em && em.getConfig('avoidInlineStyle')) {
+ var state = this.get('state');
+ var cc = em.get('CssComposer');
+ var rule = cc.getIdRule(this.getId(), { state: state });
+ this.rule = rule;
+
+ if (rule) {
+ return rule.getStyle();
+ }
+ }
+
+ return _Styleable2.default.getStyle.call(this);
+ },
+ setStyle: function setStyle() {
+ var _this3 = this;
+
+ var prop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var em = this.em;
+
+ if (em && em.getConfig('avoidInlineStyle')) {
+ prop = (0, _underscore.isString)(prop) ? this.parseStyle(prop) : prop;
+ var state = this.get('state');
+ var cc = em.get('CssComposer');
+ var propOrig = this.getStyle();
+ this.rule = cc.setIdRule(this.getId(), prop, _extends({}, opts, { state: state }));
+ var diff = (0, _mixins.shallowDiff)(propOrig, prop);
+ (0, _underscore.keys)(diff).forEach(function (pr) {
+ return _this3.trigger('change:style:' + pr);
+ });
+ } else {
+ prop = _Styleable2.default.setStyle.apply(this, arguments);
+ }
+
+ return prop;
+ },
+
+
+ /**
+ * Return attributes
+ * @return {Object}
+ */
+ getAttributes: function getAttributes() {
+ var classes = [];
+ var attributes = _extends({}, this.get('attributes'));
+
+ // Add classes
+ this.get('classes').each(function (cls) {
+ return classes.push(cls.get('name'));
+ });
+ classes.length && (attributes.class = classes.join(' '));
+
+ // If style is not empty I need an ID attached to the component
+ if (!(0, _underscore.isEmpty)(this.getStyle()) && !(0, _underscore.has)(attributes, 'id')) {
+ attributes.id = this.getId();
+ }
+
+ return attributes;
+ },
+
+
+ /**
+ * Add classes
+ * @param {Array|string} classes Array or string of classes
+ * @return {Array} Array of added selectors
+ * @example
+ * model.addClass('class1');
+ * model.addClass('class1 class2');
+ * model.addClass(['class1', 'class2']);
+ * // -> [SelectorObject, ...]
+ */
+ addClass: function addClass(classes) {
+ var added = this.em.get('SelectorManager').addClass(classes);
+ return this.get('classes').add(added);
+ },
+
+
+ /**
+ * Set classes (resets current collection)
+ * @param {Array|string} classes Array or string of classes
+ * @return {Array} Array of added selectors
+ * @example
+ * model.setClass('class1');
+ * model.setClass('class1 class2');
+ * model.setClass(['class1', 'class2']);
+ * // -> [SelectorObject, ...]
+ */
+ setClass: function setClass(classes) {
+ this.get('classes').reset();
+ return this.addClass(classes);
+ },
+
+
+ /**
+ * Remove classes
+ * @param {Array|string} classes Array or string of classes
+ * @return {Array} Array of removed selectors
+ * @example
+ * model.removeClass('class1');
+ * model.removeClass('class1 class2');
+ * model.removeClass(['class1', 'class2']);
+ * // -> [SelectorObject, ...]
+ */
+ removeClass: function removeClass(classes) {
+ var removed = [];
+ classes = (0, _underscore.isArray)(classes) ? classes : [classes];
+ var selectors = this.get('classes');
+ var type = Selector.TYPE_CLASS;
+
+ classes.forEach(function (classe) {
+ var classes = classe.split(' ');
+ classes.forEach(function (name) {
+ var selector = selectors.where({ name: name, type: type })[0];
+ selector && removed.push(selectors.remove(selector));
+ });
+ });
+
+ return removed;
+ },
+ initClasses: function initClasses() {
+ var classes = this.normalizeClasses(this.get('classes') || []);
+ this.set('classes', new Selectors(classes));
+ return this;
+ },
+ initComponents: function initComponents() {
+ // Have to add components after the init, otherwise the parent
+ // is not visible
+ var comps = new Components(null, this.opt);
+ comps.parent = this;
+ !this.opt.avoidChildren && comps.reset(this.get('components'));
+ this.set('components', comps);
+ return this;
+ },
+
+
+ /**
+ * Initialize callback
+ */
+ init: function init() {},
+
+
+ /**
+ * Add new component children
+ * @param {Component|string} components Component to add
+ * @param {Object} [opts={}] Options, same as in `model.add()`(from backbone)
+ * @return {Array} Array of appended components
+ * @example
+ * someModel.get('components').lenght // -> 0
+ * const videoComponent = someModel.append('')[0];
+ * // This will add 2 components (`video` and `div`) to your `someModel`
+ * someModel.get('components').lenght // -> 2
+ * // You can pass components directly
+ * otherModel.append(otherModel2);
+ * otherModel.append([otherModel3, otherModel4]);
+ */
+ append: function append(components) {
+ var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var result = this.components().add(components, opts);
+ return (0, _underscore.isArray)(result) ? result : [result];
+ },
+
+
+ /**
+ * Set new collection if `components` are provided, otherwise the
+ * current collection is returned
+ * @param {Component|string} [components] Components to set
+ * @return {Collection|undefined}
+ * @example
+ * // Get current collection
+ * const collection = model.components();
+ * // Set new collection
+ * model.components('');
+ */
+ components: function components(_components) {
+ var coll = this.get('components');
+
+ if ((0, _underscore.isUndefined)(_components)) {
+ return coll;
+ } else {
+ coll.reset();
+ _components && this.append(_components);
+ }
+ },
+
+
+ /**
+ * Get parent model
+ * @return {Component}
+ */
+ parent: function parent() {
+ var coll = this.collection;
+ return coll && coll.parent;
+ },
+
+
+ /**
+ * Script updated
+ */
+ scriptUpdated: function scriptUpdated() {
+ this.set('scriptUpdated', 1);
+ },
+
+
+ /**
+ * Once traits are updated I have to populates model's attributes
+ */
+ traitsUpdated: function traitsUpdated() {
+ var found = 0;
+ var attrs = _extends({}, this.get('attributes'));
+ var traits = this.get('traits');
+
+ if (!(traits instanceof Traits)) {
+ this.loadTraits();
+ return;
+ }
+
+ traits.each(function (trait) {
+ found = 1;
+ if (!trait.get('changeProp')) {
+ var value = trait.getInitValue();
+ if (value) {
+ attrs[trait.get('name')] = value;
+ }
+ }
+ });
+
+ found && this.set('attributes', attrs);
+ },
+
+
+ /**
+ * Init toolbar
+ */
+ initToolbar: function initToolbar() {
+ var model = this;
+ if (!model.get('toolbar')) {
+ var tb = [];
+ if (model.collection) {
+ tb.push({
+ attributes: { class: 'fa fa-arrow-up' },
+ command: 'select-parent'
+ });
+ }
+ if (model.get('draggable')) {
+ tb.push({
+ attributes: { class: 'fa fa-arrows', draggable: true },
+ //events: hasDnd(this.em) ? { dragstart: 'execCommand' } : '',
+ command: 'tlb-move'
+ });
+ }
+ if (model.get('copyable')) {
+ tb.push({
+ attributes: { class: 'fa fa-clone' },
+ command: 'tlb-clone'
+ });
+ }
+ if (model.get('removable')) {
+ tb.push({
+ attributes: { class: 'fa fa-trash-o' },
+ command: 'tlb-delete'
+ });
+ }
+ model.set('toolbar', tb);
+ }
+ },
+
+
+ /**
+ * Load traits
+ * @param {Array} traits
+ * @private
+ */
+ loadTraits: function loadTraits(traits) {
+ var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var trt = new Traits([], this.opt);
+ trt.setTarget(this);
+ traits = traits || this.get('traits');
+
+ if (traits.length) {
+ trt.add(traits);
+ }
+
+ this.set('traits', trt, opts);
+ return this;
+ },
+
+
+ /**
+ * Normalize input classes from array to array of objects
+ * @param {Array} arr
+ * @return {Array}
+ * @private
+ */
+ normalizeClasses: function normalizeClasses(arr) {
+ var res = [];
+ var em = this.em;
+
+ if (!em) return;
+
+ var clm = em.get('SelectorManager');
+ if (!clm) return;
+
+ arr.forEach(function (val) {
+ var name = '';
+
+ if (typeof val === 'string') name = val;else name = val.name;
+
+ var model = clm.add(name);
+ res.push(model);
+ });
+ return res;
+ },
+
+
+ /**
+ * Override original clone method
+ * @private
+ */
+ clone: function clone() {
+ var em = this.em;
+ var style = this.getStyle();
+ var attr = _extends({}, this.attributes);
+ var opts = _extends({}, this.opt);
+ attr.attributes = _extends({}, attr.attributes);
+ delete attr.attributes.id;
+ attr.components = [];
+ attr.classes = [];
+ attr.traits = [];
+
+ this.get('components').each(function (md, i) {
+ attr.components[i] = md.clone();
+ });
+ this.get('traits').each(function (md, i) {
+ attr.traits[i] = md.clone();
+ });
+ this.get('classes').each(function (md, i) {
+ attr.classes[i] = md.get('name');
+ });
+
+ attr.status = '';
+ attr.view = '';
+ opts.collection = null;
+
+ if (em && em.getConfig('avoidInlineStyle') && !(0, _underscore.isEmpty)(style)) {
+ attr.style = style;
+ }
+
+ return new this.constructor(attr, opts);
+ },
+
+
+ /**
+ * Get the name of the component
+ * @return {string}
+ * */
+ getName: function getName() {
+ var customName = this.get('name') || this.get('custom-name');
+ var tag = this.get('tagName');
+ tag = tag == 'div' ? 'box' : tag;
+ var name = this.get('type') || tag;
+ name = name.charAt(0).toUpperCase() + name.slice(1);
+ return customName || name;
+ },
+
+
+ /**
+ * Get the icon string
+ * @return {string}
+ */
+ getIcon: function getIcon() {
+ var icon = this.get('icon');
+ return icon ? icon + ' ' : '';
+ },
+
+
+ /**
+ * Return HTML string of the component
+ * @param {Object} opts Options
+ * @return {string} HTML string
+ * @private
+ */
+ toHTML: function toHTML(opts) {
+ var model = this;
+ var attrs = [];
+ var classes = [];
+ var tag = model.get('tagName');
+ var sTag = model.get('void');
+ var attributes = this.getAttrToHTML();
+
+ for (var attr in attributes) {
+ var value = attributes[attr];
+
+ if (!(0, _underscore.isUndefined)(value)) {
+ attrs.push(attr + '="' + value + '"');
+ }
+ }
+
+ var attrString = attrs.length ? ' ' + attrs.join(' ') : '';
+ var code = '<' + tag + attrString + (sTag ? '/' : '') + '>' + model.get('content');
+ model.get('components').each(function (comp) {
+ return code += comp.toHTML();
+ });
+ !sTag && (code += '' + tag + '>');
+
+ return code;
+ },
+
+
+ /**
+ * Returns object of attributes for HTML
+ * @return {Object}
+ * @private
+ */
+ getAttrToHTML: function getAttrToHTML() {
+ var attr = this.getAttributes();
+ delete attr.style;
+ return attr;
+ },
+
+
+ /**
+ * Return a shallow copy of the model's attributes for JSON
+ * stringification.
+ * @return {Object}
+ * @private
+ */
+ toJSON: function toJSON() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var obj = Backbone.Model.prototype.toJSON.apply(this, args);
+ var scriptStr = this.getScriptString();
+ obj.attributes = this.getAttributes();
+ delete obj.attributes.class;
+ delete obj.toolbar;
+ scriptStr && (obj.script = scriptStr);
+
+ return obj;
+ },
+
+
+ /**
+ * Return model id
+ * @return {string}
+ */
+ getId: function getId() {
+ var attrs = this.get('attributes') || {};
+ return attrs.id || this.ccid || this.cid;
+ },
+
+
+ /**
+ * Get the DOM element of the model. This works only of the
+ * model is alredy rendered
+ * @return {HTMLElement}
+ */
+ getEl: function getEl() {
+ return this.view && this.view.el;
+ },
+
+
+ /**
+ * Return script in string format, cleans 'function() {..' from scripts
+ * if it's a function
+ * @param {string|Function} script
+ * @return {string}
+ * @private
+ */
+ getScriptString: function getScriptString(script) {
+ var _this4 = this;
+
+ var scr = script || this.get('script');
+
+ if (!scr) {
+ return scr;
+ }
+
+ // Need to convert script functions to strings
+ if (typeof scr == 'function') {
+ var scrStr = scr.toString().trim();
+ scrStr = scrStr.replace(/^function[\s\w]*\(\)\s?\{/, '').replace(/\}$/, '');
+ scr = scrStr.trim();
+ }
+
+ var config = this.em.getConfig();
+ var tagVarStart = escapeRegExp(config.tagVarStart || '{[ ');
+ var tagVarEnd = escapeRegExp(config.tagVarEnd || ' ]}');
+ var reg = new RegExp(tagVarStart + '([\\w\\d-]*)' + tagVarEnd, 'g');
+ scr = scr.replace(reg, function (match, v) {
+ // If at least one match is found I have to track this change for a
+ // better optimization inside JS generator
+ _this4.scriptUpdated();
+ return _this4.attributes[v] || '';
+ });
+
+ return scr;
+ },
+ emitUpdate: function emitUpdate(property) {
+ var em = this.em;
+ var event = 'component:update' + (property ? ':' + property : '');
+ em && em.trigger(event, this);
+ }
+}, {
+ /**
+ * Detect if the passed element is a valid component.
+ * In case the element is valid an object abstracted
+ * from the element will be returned
+ * @param {HTMLElement}
+ * @return {Object}
+ * @private
+ */
+ isComponent: function isComponent(el) {
+ return { tagName: el.tagName ? el.tagName.toLowerCase() : '' };
+ },
+
+
+ /**
+ * Relying simply on the number of components becomes a problem when you
+ * store and load them back, you might hit collisions with new components
+ * @param {Model} model
+ * @return {string}
+ */
+ createId: function createId(model) {
+ componentIndex++;
+ // Testing 1000000 components with `+ 2` returns 0 collisions
+ var ilen = componentIndex.toString().length + 2;
+ var uid = (Math.random() + 1.1).toString(36).slice(-ilen);
+ var nextId = 'i' + uid;
+ componentList[nextId] = model;
+ return nextId;
+ },
+ getList: function getList() {
+ return componentList;
+ }
+});
+
+module.exports = Component;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone) {
+
+var _underscore = __webpack_require__(1);
+
+var _mixins = __webpack_require__(2);
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+var clearProp = 'data-clear-style';
+
+module.exports = Backbone.View.extend({
+ template: function template(model) {
+ var pfx = this.pfx;
+ return '\n
\n ' + this.templateLabel(model) + '\n
\n
\n ' + this.templateInput(model) + '\n
\n ';
+ },
+ templateLabel: function templateLabel(model) {
+ var pfx = this.pfx;
+ var icon = model.get('icon');
+ var info = model.get('info');
+ return '\n \n ' + model.get('name') + '\n \n ⨯\n ';
+ },
+ templateInput: function templateInput(model) {
+ return '\n
\n \n
\n ';
+ },
+
+
+ events: _defineProperty({
+ change: 'inputValueChanged'
+ }, 'click [' + clearProp + ']', 'clear'),
+
+ initialize: function initialize() {
+ var o = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ (0, _underscore.bindAll)(this, 'targetUpdated');
+ this.config = o.config || {};
+ var em = this.config.em;
+ this.em = em;
+ this.pfx = this.config.stylePrefix || '';
+ this.ppfx = this.config.pStylePrefix || '';
+ this.target = o.target || {};
+ this.propTarget = o.propTarget || {};
+ this.onChange = o.onChange;
+ this.onInputRender = o.onInputRender || {};
+ this.customValue = o.customValue || {};
+ var model = this.model;
+ this.property = model.get('property');
+ this.input = null;
+ var pfx = this.pfx;
+ this.inputHolderId = '#' + pfx + 'input-holder';
+ this.sector = model.collection && model.collection.sector;
+ model.view = this;
+
+ if (!model.get('value')) {
+ model.set('value', model.getDefaultValue());
+ }
+
+ em && em.on('update:component:style:' + this.property, this.targetUpdated);
+ this.listenTo(this.propTarget, 'update', this.targetUpdated);
+ this.listenTo(model, 'destroy remove', this.remove);
+ this.listenTo(model, 'change:value', this.modelValueChanged);
+ this.listenTo(model, 'targetUpdated', this.targetUpdated);
+ this.listenTo(model, 'change:visible', this.updateVisibility);
+ this.listenTo(model, 'change:status', this.updateStatus);
+
+ var init = this.init && this.init.bind(this);
+ init && init();
+ },
+
+
+ /**
+ * Triggers when the status changes. The status indicates if the value of
+ * the proprerty is changed or inherited
+ * @private
+ */
+ updateStatus: function updateStatus() {
+ var status = this.model.get('status');
+ var pfx = this.pfx;
+ var ppfx = this.ppfx;
+ var config = this.config;
+ var updatedCls = ppfx + 'four-color';
+ var computedCls = ppfx + 'color-warn';
+ var labelEl = this.$el.children('.' + pfx + 'label');
+ var clearStyle = this.getClearEl().style;
+ labelEl.removeClass(updatedCls + ' ' + computedCls);
+ clearStyle.display = 'none';
+
+ switch (status) {
+ case 'updated':
+ labelEl.addClass(updatedCls);
+
+ if (config.clearProperties) {
+ clearStyle.display = 'inline';
+ }
+ break;
+ case 'computed':
+ labelEl.addClass(computedCls);
+ break;
+ }
+ },
+
+
+ /**
+ * Clear the property from the target
+ */
+ clear: function clear() {
+ var target = this.getTargetModel();
+ target.removeStyle(this.model.get('property'));
+ this.targetUpdated();
+ },
+
+
+ /**
+ * Get clear element
+ * @return {HTMLElement}
+ */
+ getClearEl: function getClearEl() {
+ return this.el.querySelector('[' + clearProp + ']');
+ },
+
+
+ /**
+ * Returns selected target which should have 'style' property
+ * @return {Model|null}
+ */
+ getTarget: function getTarget() {
+ return this.getTargetModel();
+ },
+
+
+ /**
+ * Returns Styleable model
+ * @return {Model|null}
+ */
+ getTargetModel: function getTargetModel() {
+ return this.propTarget && this.propTarget.model;
+ },
+
+
+ /**
+ * Returns helper Styleable model
+ * @return {Model|null}
+ */
+ getHelperModel: function getHelperModel() {
+ return this.propTarget && this.propTarget.helper;
+ },
+
+
+ /**
+ * Triggers when the value of element input/s is changed, so have to update
+ * the value of the model which will propogate those changes to the target
+ */
+ inputValueChanged: function inputValueChanged(e) {
+ e && e.stopPropagation();
+ this.model.setValue(this.getInputValue(), 1, { fromInput: 1 });
+ this.elementUpdated();
+ },
+
+
+ /**
+ * Fired when the element of the property is updated
+ */
+ elementUpdated: function elementUpdated() {
+ this.setStatus('updated');
+ },
+ setStatus: function setStatus(value) {
+ this.model.set('status', value);
+ var parent = this.model.parent;
+ parent && parent.set('status', value);
+ },
+
+
+ /**
+ * Fired when the target is changed
+ * */
+ targetUpdated: function targetUpdated() {
+ if (!this.checkVisibility()) {
+ return;
+ }
+
+ var config = this.config;
+ var em = config.em;
+ var model = this.model;
+ var value = '';
+ var status = '';
+ var targetValue = this.getTargetValue({ ignoreDefault: 1 });
+ var defaultValue = model.getDefaultValue();
+ var computedValue = this.getComputedValue();
+
+ if (targetValue) {
+ value = targetValue;
+
+ if (config.highlightChanged) {
+ status = 'updated';
+ }
+ } else if (computedValue && config.showComputed && computedValue != defaultValue) {
+ value = computedValue;
+
+ if (config.highlightComputed) {
+ status = 'computed';
+ }
+ } else {
+ value = defaultValue;
+ status = '';
+ }
+
+ model.setValue(value, 0, { fromTarget: 1 });
+ this.setStatus(status);
+
+ if (em) {
+ em.trigger('styleManager:change', this);
+ em.trigger('styleManager:change:' + model.get('property'), this);
+ }
+ },
+ checkVisibility: function checkVisibility() {
+ var result = 1;
+
+ // Check if need to hide the property
+ if (this.config.hideNotStylable) {
+ if (!this.isTargetStylable() || !this.isComponentStylable()) {
+ this.hide();
+ result = 0;
+ } else {
+ this.show();
+ }
+ // Sector is not passed to Composite and Stack types
+ if (this.sector) {
+ this.sector.trigger('updateVisibility');
+ }
+ }
+
+ return result;
+ },
+
+
+ /**
+ * Get the value of this property from the target (eg, Component, CSSRule)
+ * @param {Object} [opts] Options
+ * @param {Boolean} [options.fetchFromFunction]
+ * @param {Boolean} [options.ignoreDefault]
+ * @return string
+ * @private
+ */
+ getTargetValue: function getTargetValue() {
+ var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ var result;
+ var model = this.model;
+ var target = this.getTargetModel();
+ var customFetchValue = this.customValue;
+
+ if (!target) {
+ return result;
+ }
+
+ result = target.getStyle()[model.get('property')];
+
+ if (!result && !opts.ignoreDefault) {
+ result = model.getDefaultValue();
+ }
+
+ if (typeof customFetchValue == 'function' && !opts.ignoreCustomValue) {
+ var index = model.collection.indexOf(model);
+ var customValue = customFetchValue(this, index);
+
+ if (customValue) {
+ result = customValue;
+ }
+ }
+
+ return result;
+ },
+
+
+ /**
+ * Returns computed value
+ * @return {String}
+ * @private
+ */
+ getComputedValue: function getComputedValue() {
+ var target = this.propTarget;
+ var computed = target.computed || {};
+ var computedDef = target.computedDefault || {};
+ var avoid = this.config.avoidComputed || [];
+ var property = this.model.get('property');
+ var notToSkip = avoid.indexOf(property) < 0;
+ var value = computed[property];
+ var valueDef = computedDef[(0, _mixins.camelCase)(property)];
+ return computed && notToSkip && valueDef !== value && value;
+ },
+
+
+ /**
+ * Returns value from input
+ * @return {string}
+ */
+ getInputValue: function getInputValue() {
+ var input = this.getInputEl();
+ return input ? input.value : '';
+ },
+
+
+ /**
+ * Triggers when the `value` of the model changes, so the target and
+ * the input element should be updated
+ * @param {Object} e Event
+ * @param {Mixed} val Value
+ * @param {Object} opt Options
+ * */
+ modelValueChanged: function modelValueChanged(e, val) {
+ var opt = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ var em = this.config.em;
+ var model = this.model;
+ var value = model.getFullValue();
+ var target = this.getTarget();
+ var onChange = this.onChange;
+
+ // Avoid element update if the change comes from it
+ if (!opt.fromInput) {
+ this.setValue(value);
+ }
+
+ // Check if component is allowed to be styled
+ if (!target || !this.isTargetStylable() || !this.isComponentStylable()) {
+ return;
+ }
+
+ // Avoid target update if the changes comes from it
+ if (!opt.fromTarget) {
+ // The onChange is used by Composite/Stack properties, so I'd avoid sending
+ // it back if the change comes from one of those
+ if (onChange && !opt.fromParent) {
+ onChange(target, this, opt);
+ } else {
+ this.updateTargetStyle(value, null, opt);
+ }
+ }
+
+ if (em) {
+ em.trigger('component:update', target);
+ em.trigger('component:styleUpdate', target);
+ em.trigger('component:styleUpdate:' + model.get('property'), target);
+ }
+ },
+
+
+ /**
+ * Update target style
+ * @param {string} value
+ * @param {string} name
+ * @param {Object} opts
+ */
+ updateTargetStyle: function updateTargetStyle(value) {
+ var name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+ var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ var property = name || this.model.get('property');
+ var target = this.getTarget();
+ var style = target.getStyle();
+
+ if (value) {
+ style[property] = value;
+ } else {
+ delete style[property];
+ }
+
+ target.setStyle(style, opts);
+
+ // Helper is used by `states` like ':hover' to show its preview
+ var helper = this.getHelperModel();
+ helper && helper.setStyle(style, opts);
+ },
+
+
+ /**
+ * Check if target is stylable with this property
+ * The target could be the Component as the CSS Rule
+ * @return {Boolean}
+ */
+ isTargetStylable: function isTargetStylable(target) {
+ var trg = target || this.getTarget();
+ var model = this.model;
+ var property = model.get('property');
+ var toRequire = model.get('toRequire');
+ var unstylable = trg.get('unstylable');
+ var stylableReq = trg.get('stylable-require');
+ var stylable = trg.get('stylable');
+
+ // Stylable could also be an array indicating with which property
+ // the target could be styled
+ if ((0, _underscore.isArray)(stylable)) {
+ stylable = stylable.indexOf(property) >= 0;
+ }
+
+ // Check if the property was signed as unstylable
+ if ((0, _underscore.isArray)(unstylable)) {
+ stylable = unstylable.indexOf(property) < 0;
+ }
+
+ // Check if the property is available only if requested
+ if (toRequire) {
+ stylable = stylableReq && stylableReq.indexOf(property) >= 0 || !target;
+ }
+
+ return stylable;
+ },
+
+
+ /**
+ * Check if the selected component is stylable with this property
+ * The target could be the Component as the CSS Rule
+ * @return {Boolean}
+ */
+ isComponentStylable: function isComponentStylable() {
+ var em = this.em;
+ var component = em && em.get('selectedComponent');
+
+ if (!component) {
+ return true;
+ }
+
+ return this.isTargetStylable(component);
+ },
+
+
+ /**
+ * Passed a raw value you have to update the input element, generally
+ * is the value fetched from targets, so you can receive values with
+ * functions, units, etc. (eg. `rotateY(45deg)`)
+ * get also
+ * @param {string} value
+ * @private
+ */
+ setRawValue: function setRawValue(value) {
+ this.setValue(this.model.parseValue(value));
+ },
+
+
+ /**
+ * Update the element input.
+ * Usually the value is a result of `model.getFullValue()`
+ * @param {String} value The value from the model
+ * */
+ setValue: function setValue(value) {
+ var model = this.model;
+ var val = value || model.getDefaultValue();
+ var input = this.getInputEl();
+ input && (input.value = val);
+ },
+ getInputEl: function getInputEl() {
+ if (!this.input) {
+ this.input = this.el.querySelector('input');
+ }
+
+ return this.input;
+ },
+ updateVisibility: function updateVisibility() {
+ this.el.style.display = this.model.get('visible') ? 'block' : 'none';
+ },
+ show: function show() {
+ this.model.set('visible', 1);
+ },
+ hide: function hide() {
+ this.model.set('visible', 0);
+ },
+
+
+ /**
+ * Clean input
+ * */
+ cleanValue: function cleanValue() {
+ this.setValue('');
+ },
+ render: function render() {
+ var pfx = this.pfx;
+ var model = this.model;
+ var el = this.el;
+ el.innerHTML = this.template(model);
+ el.className = pfx + 'property ' + pfx + model.get('type');
+ this.updateStatus();
+
+ var onRender = this.onRender && this.onRender.bind(this);
+ onRender && onRender();
+ this.setValue(model.get('value'), { targetUpdate: 1 });
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// This is CodeMirror (http://codemirror.net), a code editor
+// implemented in JavaScript on top of the browser's DOM.
+//
+// You can find some technical background for some of the code below
+// at http://marijnhaverbeke.nl/blog/#cm-internals .
+
+(function (global, factory) {
+ true ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global.CodeMirror = factory());
+}(this, (function () { 'use strict';
+
+// Kludges for bugs and behavior differences that can't be feature
+// detected are enabled based on userAgent etc sniffing.
+var userAgent = navigator.userAgent;
+var platform = navigator.platform;
+
+var gecko = /gecko\/\d/i.test(userAgent);
+var ie_upto10 = /MSIE \d/.test(userAgent);
+var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
+var edge = /Edge\/(\d+)/.exec(userAgent);
+var ie = ie_upto10 || ie_11up || edge;
+var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
+var webkit = !edge && /WebKit\//.test(userAgent);
+var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
+var chrome = !edge && /Chrome\//.test(userAgent);
+var presto = /Opera\//.test(userAgent);
+var safari = /Apple Computer/.test(navigator.vendor);
+var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
+var phantom = /PhantomJS/.test(userAgent);
+
+var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
+var android = /Android/.test(userAgent);
+// This is woefully incomplete. Suggestions for alternative methods welcome.
+var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
+var mac = ios || /Mac/.test(platform);
+var chromeOS = /\bCrOS\b/.test(userAgent);
+var windows = /win/i.test(platform);
+
+var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
+if (presto_version) { presto_version = Number(presto_version[1]); }
+if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
+// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
+var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
+var captureRightClick = gecko || (ie && ie_version >= 9);
+
+function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
+
+var rmClass = function(node, cls) {
+ var current = node.className;
+ var match = classTest(cls).exec(current);
+ if (match) {
+ var after = current.slice(match.index + match[0].length);
+ node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
+ }
+};
+
+function removeChildren(e) {
+ for (var count = e.childNodes.length; count > 0; --count)
+ { e.removeChild(e.firstChild); }
+ return e
+}
+
+function removeChildrenAndAdd(parent, e) {
+ return removeChildren(parent).appendChild(e)
+}
+
+function elt(tag, content, className, style) {
+ var e = document.createElement(tag);
+ if (className) { e.className = className; }
+ if (style) { e.style.cssText = style; }
+ if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
+ else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
+ return e
+}
+// wrapper for elt, which removes the elt from the accessibility tree
+function eltP(tag, content, className, style) {
+ var e = elt(tag, content, className, style);
+ e.setAttribute("role", "presentation");
+ return e
+}
+
+var range;
+if (document.createRange) { range = function(node, start, end, endNode) {
+ var r = document.createRange();
+ r.setEnd(endNode || node, end);
+ r.setStart(node, start);
+ return r
+}; }
+else { range = function(node, start, end) {
+ var r = document.body.createTextRange();
+ try { r.moveToElementText(node.parentNode); }
+ catch(e) { return r }
+ r.collapse(true);
+ r.moveEnd("character", end);
+ r.moveStart("character", start);
+ return r
+}; }
+
+function contains(parent, child) {
+ if (child.nodeType == 3) // Android browser always returns false when child is a textnode
+ { child = child.parentNode; }
+ if (parent.contains)
+ { return parent.contains(child) }
+ do {
+ if (child.nodeType == 11) { child = child.host; }
+ if (child == parent) { return true }
+ } while (child = child.parentNode)
+}
+
+function activeElt() {
+ // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
+ // IE < 10 will throw when accessed while the page is loading or in an iframe.
+ // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
+ var activeElement;
+ try {
+ activeElement = document.activeElement;
+ } catch(e) {
+ activeElement = document.body || null;
+ }
+ while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
+ { activeElement = activeElement.shadowRoot.activeElement; }
+ return activeElement
+}
+
+function addClass(node, cls) {
+ var current = node.className;
+ if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
+}
+function joinClasses(a, b) {
+ var as = a.split(" ");
+ for (var i = 0; i < as.length; i++)
+ { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
+ return b
+}
+
+var selectInput = function(node) { node.select(); };
+if (ios) // Mobile Safari apparently has a bug where select() is broken.
+ { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
+else if (ie) // Suppress mysterious IE10 errors
+ { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
+
+function bind(f) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return function(){return f.apply(null, args)}
+}
+
+function copyObj(obj, target, overwrite) {
+ if (!target) { target = {}; }
+ for (var prop in obj)
+ { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
+ { target[prop] = obj[prop]; } }
+ return target
+}
+
+// Counts the column offset in a string, taking tabs into account.
+// Used mostly to find indentation.
+function countColumn(string, end, tabSize, startIndex, startValue) {
+ if (end == null) {
+ end = string.search(/[^\s\u00a0]/);
+ if (end == -1) { end = string.length; }
+ }
+ for (var i = startIndex || 0, n = startValue || 0;;) {
+ var nextTab = string.indexOf("\t", i);
+ if (nextTab < 0 || nextTab >= end)
+ { return n + (end - i) }
+ n += nextTab - i;
+ n += tabSize - (n % tabSize);
+ i = nextTab + 1;
+ }
+}
+
+var Delayed = function() {this.id = null;};
+Delayed.prototype.set = function (ms, f) {
+ clearTimeout(this.id);
+ this.id = setTimeout(f, ms);
+};
+
+function indexOf(array, elt) {
+ for (var i = 0; i < array.length; ++i)
+ { if (array[i] == elt) { return i } }
+ return -1
+}
+
+// Number of pixels added to scroller and sizer to hide scrollbar
+var scrollerGap = 30;
+
+// Returned or thrown by various protocols to signal 'I'm not
+// handling this'.
+var Pass = {toString: function(){return "CodeMirror.Pass"}};
+
+// Reused option objects for setSelection & friends
+var sel_dontScroll = {scroll: false};
+var sel_mouse = {origin: "*mouse"};
+var sel_move = {origin: "+move"};
+
+// The inverse of countColumn -- find the offset that corresponds to
+// a particular column.
+function findColumn(string, goal, tabSize) {
+ for (var pos = 0, col = 0;;) {
+ var nextTab = string.indexOf("\t", pos);
+ if (nextTab == -1) { nextTab = string.length; }
+ var skipped = nextTab - pos;
+ if (nextTab == string.length || col + skipped >= goal)
+ { return pos + Math.min(skipped, goal - col) }
+ col += nextTab - pos;
+ col += tabSize - (col % tabSize);
+ pos = nextTab + 1;
+ if (col >= goal) { return pos }
+ }
+}
+
+var spaceStrs = [""];
+function spaceStr(n) {
+ while (spaceStrs.length <= n)
+ { spaceStrs.push(lst(spaceStrs) + " "); }
+ return spaceStrs[n]
+}
+
+function lst(arr) { return arr[arr.length-1] }
+
+function map(array, f) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
+ return out
+}
+
+function insertSorted(array, value, score) {
+ var pos = 0, priority = score(value);
+ while (pos < array.length && score(array[pos]) <= priority) { pos++; }
+ array.splice(pos, 0, value);
+}
+
+function nothing() {}
+
+function createObj(base, props) {
+ var inst;
+ if (Object.create) {
+ inst = Object.create(base);
+ } else {
+ nothing.prototype = base;
+ inst = new nothing();
+ }
+ if (props) { copyObj(props, inst); }
+ return inst
+}
+
+var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
+function isWordCharBasic(ch) {
+ return /\w/.test(ch) || ch > "\x80" &&
+ (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
+}
+function isWordChar(ch, helper) {
+ if (!helper) { return isWordCharBasic(ch) }
+ if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
+ return helper.test(ch)
+}
+
+function isEmpty(obj) {
+ for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
+ return true
+}
+
+// Extending unicode characters. A series of a non-extending char +
+// any number of extending chars is treated as a single unit as far
+// as editing and measuring is concerned. This is not fully correct,
+// since some scripts/fonts/browsers also treat other configurations
+// of code points as a group.
+var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
+function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
+
+// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
+function skipExtendingChars(str, pos, dir) {
+ while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
+ return pos
+}
+
+// Returns the value from the range [`from`; `to`] that satisfies
+// `pred` and is closest to `from`. Assumes that at least `to`
+// satisfies `pred`. Supports `from` being greater than `to`.
+function findFirst(pred, from, to) {
+ // At any point we are certain `to` satisfies `pred`, don't know
+ // whether `from` does.
+ var dir = from > to ? -1 : 1;
+ for (;;) {
+ if (from == to) { return from }
+ var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
+ if (mid == from) { return pred(mid) ? from : to }
+ if (pred(mid)) { to = mid; }
+ else { from = mid + dir; }
+ }
+}
+
+// The display handles the DOM integration, both for input reading
+// and content drawing. It holds references to DOM nodes and
+// display-related state.
+
+function Display(place, doc, input) {
+ var d = this;
+ this.input = input;
+
+ // Covers bottom-right square when both scrollbars are present.
+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
+ d.scrollbarFiller.setAttribute("cm-not-content", "true");
+ // Covers bottom of gutter when coverGutterNextToScrollbar is on
+ // and h scrollbar is present.
+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
+ d.gutterFiller.setAttribute("cm-not-content", "true");
+ // Will contain the actual code, positioned to cover the viewport.
+ d.lineDiv = eltP("div", null, "CodeMirror-code");
+ // Elements are added to these to represent selection and cursors.
+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
+ d.cursorDiv = elt("div", null, "CodeMirror-cursors");
+ // A visibility: hidden element used to find the size of things.
+ d.measure = elt("div", null, "CodeMirror-measure");
+ // When lines outside of the viewport are measured, they are drawn in this.
+ d.lineMeasure = elt("div", null, "CodeMirror-measure");
+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
+ d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
+ null, "position: relative; outline: none");
+ var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
+ // Moved around its parent to cover visible view.
+ d.mover = elt("div", [lines], null, "position: relative");
+ // Set to the height of the document, allowing scrolling.
+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
+ d.sizerWidth = null;
+ // Behavior of elts with overflow: auto and padding is
+ // inconsistent across browsers. This is used to ensure the
+ // scrollable area is big enough.
+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
+ // Will contain the gutters, if any.
+ d.gutters = elt("div", null, "CodeMirror-gutters");
+ d.lineGutter = null;
+ // Actual scrollable element.
+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
+ d.scroller.setAttribute("tabIndex", "-1");
+ // The element in which the editor lives.
+ d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
+
+ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
+ if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
+ if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }
+
+ if (place) {
+ if (place.appendChild) { place.appendChild(d.wrapper); }
+ else { place(d.wrapper); }
+ }
+
+ // Current rendered range (may be bigger than the view window).
+ d.viewFrom = d.viewTo = doc.first;
+ d.reportedViewFrom = d.reportedViewTo = doc.first;
+ // Information about the rendered lines.
+ d.view = [];
+ d.renderedView = null;
+ // Holds info about a single rendered line when it was rendered
+ // for measurement, while not in view.
+ d.externalMeasured = null;
+ // Empty space (in pixels) above the view
+ d.viewOffset = 0;
+ d.lastWrapHeight = d.lastWrapWidth = 0;
+ d.updateLineNumbers = null;
+
+ d.nativeBarWidth = d.barHeight = d.barWidth = 0;
+ d.scrollbarsClipped = false;
+
+ // Used to only resize the line number gutter when necessary (when
+ // the amount of lines crosses a boundary that makes its width change)
+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
+ // Set to true when a non-horizontal-scrolling line widget is
+ // added. As an optimization, line widget aligning is skipped when
+ // this is false.
+ d.alignWidgets = false;
+
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+
+ // Tracks the maximum line length so that the horizontal scrollbar
+ // can be kept static when scrolling.
+ d.maxLine = null;
+ d.maxLineLength = 0;
+ d.maxLineChanged = false;
+
+ // Used for measuring wheel scrolling granularity
+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
+
+ // True when shift is held down.
+ d.shift = false;
+
+ // Used to track whether anything happened since the context menu
+ // was opened.
+ d.selForContextMenu = null;
+
+ d.activeTouch = null;
+
+ input.init(d);
+}
+
+// Find the line object corresponding to the given line number.
+function getLine(doc, n) {
+ n -= doc.first;
+ if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
+ var chunk = doc;
+ while (!chunk.lines) {
+ for (var i = 0;; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; break }
+ n -= sz;
+ }
+ }
+ return chunk.lines[n]
+}
+
+// Get the part of a document between two positions, as an array of
+// strings.
+function getBetween(doc, start, end) {
+ var out = [], n = start.line;
+ doc.iter(start.line, end.line + 1, function (line) {
+ var text = line.text;
+ if (n == end.line) { text = text.slice(0, end.ch); }
+ if (n == start.line) { text = text.slice(start.ch); }
+ out.push(text);
+ ++n;
+ });
+ return out
+}
+// Get the lines between from and to, as array of strings.
+function getLines(doc, from, to) {
+ var out = [];
+ doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
+ return out
+}
+
+// Update the height of a line, propagating the height change
+// upwards to parent nodes.
+function updateLineHeight(line, height) {
+ var diff = height - line.height;
+ if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
+}
+
+// Given a line object, find its line number by walking up through
+// its parent links.
+function lineNo(line) {
+ if (line.parent == null) { return null }
+ var cur = line.parent, no = indexOf(cur.lines, line);
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0;; ++i) {
+ if (chunk.children[i] == cur) { break }
+ no += chunk.children[i].chunkSize();
+ }
+ }
+ return no + cur.first
+}
+
+// Find the line at the given vertical position, using the height
+// information in the document tree.
+function lineAtHeight(chunk, h) {
+ var n = chunk.first;
+ outer: do {
+ for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
+ var child = chunk.children[i$1], ch = child.height;
+ if (h < ch) { chunk = child; continue outer }
+ h -= ch;
+ n += child.chunkSize();
+ }
+ return n
+ } while (!chunk.lines)
+ var i = 0;
+ for (; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i], lh = line.height;
+ if (h < lh) { break }
+ h -= lh;
+ }
+ return n + i
+}
+
+function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+
+function lineNumberFor(options, i) {
+ return String(options.lineNumberFormatter(i + options.firstLineNumber))
+}
+
+// A Pos instance represents a position within the text.
+function Pos(line, ch, sticky) {
+ if ( sticky === void 0 ) sticky = null;
+
+ if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
+ this.line = line;
+ this.ch = ch;
+ this.sticky = sticky;
+}
+
+// Compare two positions, return 0 if they are the same, a negative
+// number when a is less, and a positive number otherwise.
+function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+
+function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+
+function copyPos(x) {return Pos(x.line, x.ch)}
+function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+
+// Most of the external API clips given positions to make sure they
+// actually exist within the document.
+function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+function clipPos(doc, pos) {
+ if (pos.line < doc.first) { return Pos(doc.first, 0) }
+ var last = doc.first + doc.size - 1;
+ if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
+ return clipToLen(pos, getLine(doc, pos.line).text.length)
+}
+function clipToLen(pos, linelen) {
+ var ch = pos.ch;
+ if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
+ else if (ch < 0) { return Pos(pos.line, 0) }
+ else { return pos }
+}
+function clipPosArray(doc, array) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
+ return out
+}
+
+// Optimize some code when these features are not used.
+var sawReadOnlySpans = false;
+var sawCollapsedSpans = false;
+
+function seeReadOnlySpans() {
+ sawReadOnlySpans = true;
+}
+
+function seeCollapsedSpans() {
+ sawCollapsedSpans = true;
+}
+
+// TEXTMARKER SPANS
+
+function MarkedSpan(marker, from, to) {
+ this.marker = marker;
+ this.from = from; this.to = to;
+}
+
+// Search an array of spans for a span matching the given marker.
+function getMarkedSpanFor(spans, marker) {
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.marker == marker) { return span }
+ } }
+}
+// Remove a span from an array, returning undefined if no spans are
+// left (we don't store arrays for lines without spans).
+function removeMarkedSpan(spans, span) {
+ var r;
+ for (var i = 0; i < spans.length; ++i)
+ { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
+ return r
+}
+// Add a span to a line.
+function addMarkedSpan(line, span) {
+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+ span.marker.attachLine(line);
+}
+
+// Used for the algorithm that adjusts markers for a change in the
+// document. These functions cut an array of spans at a given
+// character position, returning an array of remaining chunks (or
+// undefined if nothing remains).
+function markedSpansBefore(old, startCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+ if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
+ }
+ } }
+ return nw
+}
+function markedSpansAfter(old, endCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+ if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+ span.to == null ? null : span.to - endCh));
+ }
+ } }
+ return nw
+}
+
+// Given a change object, compute the new set of marker spans that
+// cover the line in which the change took place. Removes spans
+// entirely within the change, reconnects spans belonging to the
+// same marker that appear on both sides of the change, and cuts off
+// spans partially within the change. Returns an array of span
+// arrays with one element for each line in (after) the change.
+function stretchSpansOverChange(doc, change) {
+ if (change.full) { return null }
+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
+ if (!oldFirst && !oldLast) { return null }
+
+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
+ // Get the spans that 'stick out' on both sides
+ var first = markedSpansBefore(oldFirst, startCh, isInsert);
+ var last = markedSpansAfter(oldLast, endCh, isInsert);
+
+ // Next, merge those two ends
+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
+ if (first) {
+ // Fix up .to properties of first
+ for (var i = 0; i < first.length; ++i) {
+ var span = first[i];
+ if (span.to == null) {
+ var found = getMarkedSpanFor(last, span.marker);
+ if (!found) { span.to = startCh; }
+ else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
+ }
+ }
+ }
+ if (last) {
+ // Fix up .from in last (or move them into first in case of sameLine)
+ for (var i$1 = 0; i$1 < last.length; ++i$1) {
+ var span$1 = last[i$1];
+ if (span$1.to != null) { span$1.to += offset; }
+ if (span$1.from == null) {
+ var found$1 = getMarkedSpanFor(first, span$1.marker);
+ if (!found$1) {
+ span$1.from = offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ } else {
+ span$1.from += offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ }
+ }
+ // Make sure we didn't create any zero-length spans
+ if (first) { first = clearEmptySpans(first); }
+ if (last && last != first) { last = clearEmptySpans(last); }
+
+ var newMarkers = [first];
+ if (!sameLine) {
+ // Fill gap with whole-line-spans
+ var gap = change.text.length - 2, gapMarkers;
+ if (gap > 0 && first)
+ { for (var i$2 = 0; i$2 < first.length; ++i$2)
+ { if (first[i$2].to == null)
+ { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
+ for (var i$3 = 0; i$3 < gap; ++i$3)
+ { newMarkers.push(gapMarkers); }
+ newMarkers.push(last);
+ }
+ return newMarkers
+}
+
+// Remove spans that are empty and don't have a clearWhenEmpty
+// option of false.
+function clearEmptySpans(spans) {
+ for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+ { spans.splice(i--, 1); }
+ }
+ if (!spans.length) { return null }
+ return spans
+}
+
+// Used to 'clip' out readOnly ranges when making a change.
+function removeReadOnlyRanges(doc, from, to) {
+ var markers = null;
+ doc.iter(from.line, to.line + 1, function (line) {
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var mark = line.markedSpans[i].marker;
+ if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+ { (markers || (markers = [])).push(mark); }
+ } }
+ });
+ if (!markers) { return null }
+ var parts = [{from: from, to: to}];
+ for (var i = 0; i < markers.length; ++i) {
+ var mk = markers[i], m = mk.find(0);
+ for (var j = 0; j < parts.length; ++j) {
+ var p = parts[j];
+ if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
+ var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
+ if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+ { newParts.push({from: p.from, to: m.from}); }
+ if (dto > 0 || !mk.inclusiveRight && !dto)
+ { newParts.push({from: m.to, to: p.to}); }
+ parts.splice.apply(parts, newParts);
+ j += newParts.length - 3;
+ }
+ }
+ return parts
+}
+
+// Connect or disconnect spans from a line.
+function detachMarkedSpans(line) {
+ var spans = line.markedSpans;
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.detachLine(line); }
+ line.markedSpans = null;
+}
+function attachMarkedSpans(line, spans) {
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.attachLine(line); }
+ line.markedSpans = spans;
+}
+
+// Helpers used when computing which overlapping collapsed span
+// counts as the larger one.
+function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+// Returns a number indicating which of two overlapping collapsed
+// spans is larger (and thus includes the other). Falls back to
+// comparing ids when the spans cover exactly the same range.
+function compareCollapsedMarkers(a, b) {
+ var lenDiff = a.lines.length - b.lines.length;
+ if (lenDiff != 0) { return lenDiff }
+ var aPos = a.find(), bPos = b.find();
+ var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
+ if (fromCmp) { return -fromCmp }
+ var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
+ if (toCmp) { return toCmp }
+ return b.id - a.id
+}
+
+// Find out whether a line ends or starts in a collapsed span. If
+// so, return the marker for that span.
+function collapsedSpanAtSide(line, start) {
+ var sps = sawCollapsedSpans && line.markedSpans, found;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+ (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+ { found = sp.marker; }
+ } }
+ return found
+}
+function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
+
+// Test whether there exists a collapsed span that partially
+// overlaps (covers the start or end, but not both) of a new span.
+// Such overlap is not allowed.
+function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {
+ var line = getLine(doc, lineNo$$1);
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i) {
+ var sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ var found = sp.marker.find(0);
+ var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
+ var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
+ if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
+ if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+ fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+ { return true }
+ } }
+}
+
+// A visual line is a line as drawn on the screen. Folding, for
+// example, can cause multiple logical lines to appear on the same
+// visual line. This finds the start of the visual line that the
+// given line is part of (usually that is the line itself).
+function visualLine(line) {
+ var merged;
+ while (merged = collapsedSpanAtStart(line))
+ { line = merged.find(-1, true).line; }
+ return line
+}
+
+function visualLineEnd(line) {
+ var merged;
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return line
+}
+
+// Returns an array of logical lines that continue the visual line
+// started by the argument, or undefined if there are no such lines.
+function visualLineContinued(line) {
+ var merged, lines;
+ while (merged = collapsedSpanAtEnd(line)) {
+ line = merged.find(1, true).line
+ ;(lines || (lines = [])).push(line);
+ }
+ return lines
+}
+
+// Get the line number of the start of the visual line that the
+// given line number is part of.
+function visualLineNo(doc, lineN) {
+ var line = getLine(doc, lineN), vis = visualLine(line);
+ if (line == vis) { return lineN }
+ return lineNo(vis)
+}
+
+// Get the line number of the start of the next visual line after
+// the given line.
+function visualLineEndNo(doc, lineN) {
+ if (lineN > doc.lastLine()) { return lineN }
+ var line = getLine(doc, lineN), merged;
+ if (!lineIsHidden(doc, line)) { return lineN }
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return lineNo(line) + 1
+}
+
+// Compute whether a line is hidden. Lines count as hidden when they
+// are part of a visual line that starts with another line, or when
+// they are entirely covered by collapsed, non-widget span.
+function lineIsHidden(doc, line) {
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ if (sp.from == null) { return true }
+ if (sp.marker.widgetNode) { continue }
+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+ { return true }
+ } }
+}
+function lineIsHiddenInner(doc, line, span) {
+ if (span.to == null) {
+ var end = span.marker.find(1, true);
+ return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+ }
+ if (span.marker.inclusiveRight && span.to == line.text.length)
+ { return true }
+ for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
+ sp = line.markedSpans[i];
+ if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+ (sp.to == null || sp.to != span.from) &&
+ (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+ lineIsHiddenInner(doc, line, sp)) { return true }
+ }
+}
+
+// Find the height above the given line.
+function heightAtLine(lineObj) {
+ lineObj = visualLine(lineObj);
+
+ var h = 0, chunk = lineObj.parent;
+ for (var i = 0; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i];
+ if (line == lineObj) { break }
+ else { h += line.height; }
+ }
+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+ for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
+ var cur = p.children[i$1];
+ if (cur == chunk) { break }
+ else { h += cur.height; }
+ }
+ }
+ return h
+}
+
+// Compute the character length of a line, taking into account
+// collapsed ranges (see markText) that might hide parts, and join
+// other lines onto it.
+function lineLength(line) {
+ if (line.height == 0) { return 0 }
+ var len = line.text.length, merged, cur = line;
+ while (merged = collapsedSpanAtStart(cur)) {
+ var found = merged.find(0, true);
+ cur = found.from.line;
+ len += found.from.ch - found.to.ch;
+ }
+ cur = line;
+ while (merged = collapsedSpanAtEnd(cur)) {
+ var found$1 = merged.find(0, true);
+ len -= cur.text.length - found$1.from.ch;
+ cur = found$1.to.line;
+ len += cur.text.length - found$1.to.ch;
+ }
+ return len
+}
+
+// Find the longest line in the document.
+function findMaxLine(cm) {
+ var d = cm.display, doc = cm.doc;
+ d.maxLine = getLine(doc, doc.first);
+ d.maxLineLength = lineLength(d.maxLine);
+ d.maxLineChanged = true;
+ doc.iter(function (line) {
+ var len = lineLength(line);
+ if (len > d.maxLineLength) {
+ d.maxLineLength = len;
+ d.maxLine = line;
+ }
+ });
+}
+
+// BIDI HELPERS
+
+function iterateBidiSections(order, from, to, f) {
+ if (!order) { return f(from, to, "ltr", 0) }
+ var found = false;
+ for (var i = 0; i < order.length; ++i) {
+ var part = order[i];
+ if (part.from < to && part.to > from || from == to && part.to == from) {
+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
+ found = true;
+ }
+ }
+ if (!found) { f(from, to, "ltr"); }
+}
+
+var bidiOther = null;
+function getBidiPartAt(order, ch, sticky) {
+ var found;
+ bidiOther = null;
+ for (var i = 0; i < order.length; ++i) {
+ var cur = order[i];
+ if (cur.from < ch && cur.to > ch) { return i }
+ if (cur.to == ch) {
+ if (cur.from != cur.to && sticky == "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ if (cur.from == ch) {
+ if (cur.from != cur.to && sticky != "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ }
+ return found != null ? found : bidiOther
+}
+
+// Bidirectional ordering algorithm
+// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+// that this (partially) implements.
+
+// One-char codes used for character types:
+// L (L): Left-to-Right
+// R (R): Right-to-Left
+// r (AL): Right-to-Left Arabic
+// 1 (EN): European Number
+// + (ES): European Number Separator
+// % (ET): European Number Terminator
+// n (AN): Arabic Number
+// , (CS): Common Number Separator
+// m (NSM): Non-Spacing Mark
+// b (BN): Boundary Neutral
+// s (B): Paragraph Separator
+// t (S): Segment Separator
+// w (WS): Whitespace
+// N (ON): Other Neutrals
+
+// Returns null if characters are ordered as they appear
+// (left-to-right), or an array of sections ({from, to, level}
+// objects) in the order in which they occur visually.
+var bidiOrdering = (function() {
+ // Character types for codepoints 0 to 0xff
+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
+ // Character types for codepoints 0x600 to 0x6f9
+ var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
+ function charType(code) {
+ if (code <= 0xf7) { return lowTypes.charAt(code) }
+ else if (0x590 <= code && code <= 0x5f4) { return "R" }
+ else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
+ else if (0x6ee <= code && code <= 0x8ac) { return "r" }
+ else if (0x2000 <= code && code <= 0x200b) { return "w" }
+ else if (code == 0x200c) { return "b" }
+ else { return "L" }
+ }
+
+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+
+ function BidiSpan(level, from, to) {
+ this.level = level;
+ this.from = from; this.to = to;
+ }
+
+ return function(str, direction) {
+ var outerType = direction == "ltr" ? "L" : "R";
+
+ if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
+ var len = str.length, types = [];
+ for (var i = 0; i < len; ++i)
+ { types.push(charType(str.charCodeAt(i))); }
+
+ // W1. Examine each non-spacing mark (NSM) in the level run, and
+ // change the type of the NSM to the type of the previous
+ // character. If the NSM is at the start of the level run, it will
+ // get the type of sor.
+ for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
+ var type = types[i$1];
+ if (type == "m") { types[i$1] = prev; }
+ else { prev = type; }
+ }
+
+ // W2. Search backwards from each instance of a European number
+ // until the first strong type (R, L, AL, or sor) is found. If an
+ // AL is found, change the type of the European number to Arabic
+ // number.
+ // W3. Change all ALs to R.
+ for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
+ var type$1 = types[i$2];
+ if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
+ else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
+ }
+
+ // W4. A single European separator between two European numbers
+ // changes to a European number. A single common separator between
+ // two numbers of the same type changes to that type.
+ for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
+ var type$2 = types[i$3];
+ if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
+ else if (type$2 == "," && prev$1 == types[i$3+1] &&
+ (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
+ prev$1 = type$2;
+ }
+
+ // W5. A sequence of European terminators adjacent to European
+ // numbers changes to all European numbers.
+ // W6. Otherwise, separators and terminators change to Other
+ // Neutral.
+ for (var i$4 = 0; i$4 < len; ++i$4) {
+ var type$3 = types[i$4];
+ if (type$3 == ",") { types[i$4] = "N"; }
+ else if (type$3 == "%") {
+ var end = (void 0);
+ for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
+ var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
+ for (var j = i$4; j < end; ++j) { types[j] = replace; }
+ i$4 = end - 1;
+ }
+ }
+
+ // W7. Search backwards from each instance of a European number
+ // until the first strong type (R, L, or sor) is found. If an L is
+ // found, then change the type of the European number to L.
+ for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
+ var type$4 = types[i$5];
+ if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
+ else if (isStrong.test(type$4)) { cur$1 = type$4; }
+ }
+
+ // N1. A sequence of neutrals takes the direction of the
+ // surrounding strong text if the text on both sides has the same
+ // direction. European and Arabic numbers act as if they were R in
+ // terms of their influence on neutrals. Start-of-level-run (sor)
+ // and end-of-level-run (eor) are used at level run boundaries.
+ // N2. Any remaining neutrals take the embedding direction.
+ for (var i$6 = 0; i$6 < len; ++i$6) {
+ if (isNeutral.test(types[i$6])) {
+ var end$1 = (void 0);
+ for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
+ var before = (i$6 ? types[i$6-1] : outerType) == "L";
+ var after = (end$1 < len ? types[end$1] : outerType) == "L";
+ var replace$1 = before == after ? (before ? "L" : "R") : outerType;
+ for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
+ i$6 = end$1 - 1;
+ }
+ }
+
+ // Here we depart from the documented algorithm, in order to avoid
+ // building up an actual levels array. Since there are only three
+ // levels (0, 1, 2) in an implementation that doesn't take
+ // explicit embedding into account, we can build up the order on
+ // the fly, without following the level-based algorithm.
+ var order = [], m;
+ for (var i$7 = 0; i$7 < len;) {
+ if (countsAsLeft.test(types[i$7])) {
+ var start = i$7;
+ for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
+ order.push(new BidiSpan(0, start, i$7));
+ } else {
+ var pos = i$7, at = order.length;
+ for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
+ for (var j$2 = pos; j$2 < i$7;) {
+ if (countsAsNum.test(types[j$2])) {
+ if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }
+ var nstart = j$2;
+ for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
+ order.splice(at, 0, new BidiSpan(2, nstart, j$2));
+ pos = j$2;
+ } else { ++j$2; }
+ }
+ if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
+ }
+ }
+ if (direction == "ltr") {
+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+ order[0].from = m[0].length;
+ order.unshift(new BidiSpan(0, 0, m[0].length));
+ }
+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+ lst(order).to -= m[0].length;
+ order.push(new BidiSpan(0, len - m[0].length, len));
+ }
+ }
+
+ return direction == "rtl" ? order.reverse() : order
+ }
+})();
+
+// Get the bidi ordering for the given line (and cache it). Returns
+// false for lines that are fully left-to-right, and an array of
+// BidiSpan objects otherwise.
+function getOrder(line, direction) {
+ var order = line.order;
+ if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
+ return order
+}
+
+// EVENT HANDLING
+
+// Lightweight event framework. on/off also work on DOM nodes,
+// registering native DOM handlers.
+
+var noHandlers = [];
+
+var on = function(emitter, type, f) {
+ if (emitter.addEventListener) {
+ emitter.addEventListener(type, f, false);
+ } else if (emitter.attachEvent) {
+ emitter.attachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers || (emitter._handlers = {});
+ map$$1[type] = (map$$1[type] || noHandlers).concat(f);
+ }
+};
+
+function getHandlers(emitter, type) {
+ return emitter._handlers && emitter._handlers[type] || noHandlers
+}
+
+function off(emitter, type, f) {
+ if (emitter.removeEventListener) {
+ emitter.removeEventListener(type, f, false);
+ } else if (emitter.detachEvent) {
+ emitter.detachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];
+ if (arr) {
+ var index = indexOf(arr, f);
+ if (index > -1)
+ { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
+ }
+ }
+}
+
+function signal(emitter, type /*, values...*/) {
+ var handlers = getHandlers(emitter, type);
+ if (!handlers.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2);
+ for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
+}
+
+// The DOM events that CodeMirror handles can be overridden by
+// registering a (non-DOM) handler on the editor for the event name,
+// and preventDefault-ing the event in that handler.
+function signalDOMEvent(cm, e, override) {
+ if (typeof e == "string")
+ { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
+ signal(cm, override || e.type, cm, e);
+ return e_defaultPrevented(e) || e.codemirrorIgnore
+}
+
+function signalCursorActivity(cm) {
+ var arr = cm._handlers && cm._handlers.cursorActivity;
+ if (!arr) { return }
+ var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
+ for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
+ { set.push(arr[i]); } }
+}
+
+function hasHandler(emitter, type) {
+ return getHandlers(emitter, type).length > 0
+}
+
+// Add on and off methods to a constructor's prototype, to make
+// registering events on such objects more convenient.
+function eventMixin(ctor) {
+ ctor.prototype.on = function(type, f) {on(this, type, f);};
+ ctor.prototype.off = function(type, f) {off(this, type, f);};
+}
+
+// Due to the fact that we still support jurassic IE versions, some
+// compatibility wrappers are needed.
+
+function e_preventDefault(e) {
+ if (e.preventDefault) { e.preventDefault(); }
+ else { e.returnValue = false; }
+}
+function e_stopPropagation(e) {
+ if (e.stopPropagation) { e.stopPropagation(); }
+ else { e.cancelBubble = true; }
+}
+function e_defaultPrevented(e) {
+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
+}
+function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+
+function e_target(e) {return e.target || e.srcElement}
+function e_button(e) {
+ var b = e.which;
+ if (b == null) {
+ if (e.button & 1) { b = 1; }
+ else if (e.button & 2) { b = 3; }
+ else if (e.button & 4) { b = 2; }
+ }
+ if (mac && e.ctrlKey && b == 1) { b = 3; }
+ return b
+}
+
+// Detect drag-and-drop
+var dragAndDrop = function() {
+ // There is *some* kind of drag-and-drop support in IE6-8, but I
+ // couldn't get it to work yet.
+ if (ie && ie_version < 9) { return false }
+ var div = elt('div');
+ return "draggable" in div || "dragDrop" in div
+}();
+
+var zwspSupported;
+function zeroWidthElement(measure) {
+ if (zwspSupported == null) {
+ var test = elt("span", "\u200b");
+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+ if (measure.firstChild.offsetHeight != 0)
+ { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
+ }
+ var node = zwspSupported ? elt("span", "\u200b") :
+ elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+ node.setAttribute("cm-text", "");
+ return node
+}
+
+// Feature-detect IE's crummy client rect reporting for bidi text
+var badBidiRects;
+function hasBadBidiRects(measure) {
+ if (badBidiRects != null) { return badBidiRects }
+ var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
+ var r0 = range(txt, 0, 1).getBoundingClientRect();
+ var r1 = range(txt, 1, 2).getBoundingClientRect();
+ removeChildren(measure);
+ if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
+ return badBidiRects = (r1.right - r0.right < 3)
+}
+
+// See if "".split is the broken IE version, if so, provide an
+// alternative way to split lines.
+var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
+ var pos = 0, result = [], l = string.length;
+ while (pos <= l) {
+ var nl = string.indexOf("\n", pos);
+ if (nl == -1) { nl = string.length; }
+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+ var rt = line.indexOf("\r");
+ if (rt != -1) {
+ result.push(line.slice(0, rt));
+ pos += rt + 1;
+ } else {
+ result.push(line);
+ pos = nl + 1;
+ }
+ }
+ return result
+} : function (string) { return string.split(/\r\n?|\n/); };
+
+var hasSelection = window.getSelection ? function (te) {
+ try { return te.selectionStart != te.selectionEnd }
+ catch(e) { return false }
+} : function (te) {
+ var range$$1;
+ try {range$$1 = te.ownerDocument.selection.createRange();}
+ catch(e) {}
+ if (!range$$1 || range$$1.parentElement() != te) { return false }
+ return range$$1.compareEndPoints("StartToEnd", range$$1) != 0
+};
+
+var hasCopyEvent = (function () {
+ var e = elt("div");
+ if ("oncopy" in e) { return true }
+ e.setAttribute("oncopy", "return;");
+ return typeof e.oncopy == "function"
+})();
+
+var badZoomedRects = null;
+function hasBadZoomedRects(measure) {
+ if (badZoomedRects != null) { return badZoomedRects }
+ var node = removeChildrenAndAdd(measure, elt("span", "x"));
+ var normal = node.getBoundingClientRect();
+ var fromRange = range(node, 0, 1).getBoundingClientRect();
+ return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
+}
+
+// Known modes, by name and by MIME
+var modes = {};
+var mimeModes = {};
+
+// Extra arguments are stored as the mode's dependencies, which is
+// used by (legacy) mechanisms like loadmode.js to automatically
+// load a mode. (Preferred mechanism is the require/define calls.)
+function defineMode(name, mode) {
+ if (arguments.length > 2)
+ { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
+ modes[name] = mode;
+}
+
+function defineMIME(mime, spec) {
+ mimeModes[mime] = spec;
+}
+
+// Given a MIME type, a {name, ...options} config object, or a name
+// string, return a mode config object.
+function resolveMode(spec) {
+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+ spec = mimeModes[spec];
+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+ var found = mimeModes[spec.name];
+ if (typeof found == "string") { found = {name: found}; }
+ spec = createObj(found, spec);
+ spec.name = found.name;
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+ return resolveMode("application/xml")
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
+ return resolveMode("application/json")
+ }
+ if (typeof spec == "string") { return {name: spec} }
+ else { return spec || {name: "null"} }
+}
+
+// Given a mode spec (anything that resolveMode accepts), find and
+// initialize an actual mode object.
+function getMode(options, spec) {
+ spec = resolveMode(spec);
+ var mfactory = modes[spec.name];
+ if (!mfactory) { return getMode(options, "text/plain") }
+ var modeObj = mfactory(options, spec);
+ if (modeExtensions.hasOwnProperty(spec.name)) {
+ var exts = modeExtensions[spec.name];
+ for (var prop in exts) {
+ if (!exts.hasOwnProperty(prop)) { continue }
+ if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
+ modeObj[prop] = exts[prop];
+ }
+ }
+ modeObj.name = spec.name;
+ if (spec.helperType) { modeObj.helperType = spec.helperType; }
+ if (spec.modeProps) { for (var prop$1 in spec.modeProps)
+ { modeObj[prop$1] = spec.modeProps[prop$1]; } }
+
+ return modeObj
+}
+
+// This can be used to attach properties to mode objects from
+// outside the actual mode definition.
+var modeExtensions = {};
+function extendMode(mode, properties) {
+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+ copyObj(properties, exts);
+}
+
+function copyState(mode, state) {
+ if (state === true) { return state }
+ if (mode.copyState) { return mode.copyState(state) }
+ var nstate = {};
+ for (var n in state) {
+ var val = state[n];
+ if (val instanceof Array) { val = val.concat([]); }
+ nstate[n] = val;
+ }
+ return nstate
+}
+
+// Given a mode and a state (for that mode), find the inner mode and
+// state at the position that the state refers to.
+function innerMode(mode, state) {
+ var info;
+ while (mode.innerMode) {
+ info = mode.innerMode(state);
+ if (!info || info.mode == mode) { break }
+ state = info.state;
+ mode = info.mode;
+ }
+ return info || {mode: mode, state: state}
+}
+
+function startState(mode, a1, a2) {
+ return mode.startState ? mode.startState(a1, a2) : true
+}
+
+// STRING STREAM
+
+// Fed to the mode parsers, provides helper functions to make
+// parsers more succinct.
+
+var StringStream = function(string, tabSize, lineOracle) {
+ this.pos = this.start = 0;
+ this.string = string;
+ this.tabSize = tabSize || 8;
+ this.lastColumnPos = this.lastColumnValue = 0;
+ this.lineStart = 0;
+ this.lineOracle = lineOracle;
+};
+
+StringStream.prototype.eol = function () {return this.pos >= this.string.length};
+StringStream.prototype.sol = function () {return this.pos == this.lineStart};
+StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
+StringStream.prototype.next = function () {
+ if (this.pos < this.string.length)
+ { return this.string.charAt(this.pos++) }
+};
+StringStream.prototype.eat = function (match) {
+ var ch = this.string.charAt(this.pos);
+ var ok;
+ if (typeof match == "string") { ok = ch == match; }
+ else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
+ if (ok) {++this.pos; return ch}
+};
+StringStream.prototype.eatWhile = function (match) {
+ var start = this.pos;
+ while (this.eat(match)){}
+ return this.pos > start
+};
+StringStream.prototype.eatSpace = function () {
+ var this$1 = this;
+
+ var start = this.pos;
+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }
+ return this.pos > start
+};
+StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
+StringStream.prototype.skipTo = function (ch) {
+ var found = this.string.indexOf(ch, this.pos);
+ if (found > -1) {this.pos = found; return true}
+};
+StringStream.prototype.backUp = function (n) {this.pos -= n;};
+StringStream.prototype.column = function () {
+ if (this.lastColumnPos < this.start) {
+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
+ this.lastColumnPos = this.start;
+ }
+ return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+};
+StringStream.prototype.indentation = function () {
+ return countColumn(this.string, null, this.tabSize) -
+ (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+};
+StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
+ if (typeof pattern == "string") {
+ var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
+ var substr = this.string.substr(this.pos, pattern.length);
+ if (cased(substr) == cased(pattern)) {
+ if (consume !== false) { this.pos += pattern.length; }
+ return true
+ }
+ } else {
+ var match = this.string.slice(this.pos).match(pattern);
+ if (match && match.index > 0) { return null }
+ if (match && consume !== false) { this.pos += match[0].length; }
+ return match
+ }
+};
+StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
+StringStream.prototype.hideFirstChars = function (n, inner) {
+ this.lineStart += n;
+ try { return inner() }
+ finally { this.lineStart -= n; }
+};
+StringStream.prototype.lookAhead = function (n) {
+ var oracle = this.lineOracle;
+ return oracle && oracle.lookAhead(n)
+};
+StringStream.prototype.baseToken = function () {
+ var oracle = this.lineOracle;
+ return oracle && oracle.baseToken(this.pos)
+};
+
+var SavedContext = function(state, lookAhead) {
+ this.state = state;
+ this.lookAhead = lookAhead;
+};
+
+var Context = function(doc, state, line, lookAhead) {
+ this.state = state;
+ this.doc = doc;
+ this.line = line;
+ this.maxLookAhead = lookAhead || 0;
+ this.baseTokens = null;
+ this.baseTokenPos = 1;
+};
+
+Context.prototype.lookAhead = function (n) {
+ var line = this.doc.getLine(this.line + n);
+ if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
+ return line
+};
+
+Context.prototype.baseToken = function (n) {
+ var this$1 = this;
+
+ if (!this.baseTokens) { return null }
+ while (this.baseTokens[this.baseTokenPos] <= n)
+ { this$1.baseTokenPos += 2; }
+ var type = this.baseTokens[this.baseTokenPos + 1];
+ return {type: type && type.replace(/( |^)overlay .*/, ""),
+ size: this.baseTokens[this.baseTokenPos] - n}
+};
+
+Context.prototype.nextLine = function () {
+ this.line++;
+ if (this.maxLookAhead > 0) { this.maxLookAhead--; }
+};
+
+Context.fromSaved = function (doc, saved, line) {
+ if (saved instanceof SavedContext)
+ { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
+ else
+ { return new Context(doc, copyState(doc.mode, saved), line) }
+};
+
+Context.prototype.save = function (copy) {
+ var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
+ return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+};
+
+
+// Compute a style array (an array starting with a mode generation
+// -- for invalidation -- followed by pairs of end positions and
+// style strings), which is used to highlight the tokens on the
+// line.
+function highlightLine(cm, line, context, forceToEnd) {
+ // A styles array always starts with a number identifying the
+ // mode/overlays that it is based on (for easy invalidation).
+ var st = [cm.state.modeGen], lineClasses = {};
+ // Compute the base array of styles
+ runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
+ lineClasses, forceToEnd);
+ var state = context.state;
+
+ // Run overlays, adjust style array.
+ var loop = function ( o ) {
+ context.baseTokens = st;
+ var overlay = cm.state.overlays[o], i = 1, at = 0;
+ context.state = true;
+ runMode(cm, line.text, overlay.mode, context, function (end, style) {
+ var start = i;
+ // Ensure there's a token end at the current position, and that i points at it
+ while (at < end) {
+ var i_end = st[i];
+ if (i_end > end)
+ { st.splice(i, 1, end, st[i+1], i_end); }
+ i += 2;
+ at = Math.min(end, i_end);
+ }
+ if (!style) { return }
+ if (overlay.opaque) {
+ st.splice(start, i - start, end, "overlay " + style);
+ i = start + 2;
+ } else {
+ for (; start < i; start += 2) {
+ var cur = st[start+1];
+ st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
+ }
+ }
+ }, lineClasses);
+ context.state = state;
+ context.baseTokens = null;
+ context.baseTokenPos = 1;
+ };
+
+ for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+
+ return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+}
+
+function getLineStyles(cm, line, updateFrontier) {
+ if (!line.styles || line.styles[0] != cm.state.modeGen) {
+ var context = getContextBefore(cm, lineNo(line));
+ var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
+ var result = highlightLine(cm, line, context);
+ if (resetState) { context.state = resetState; }
+ line.stateAfter = context.save(!resetState);
+ line.styles = result.styles;
+ if (result.classes) { line.styleClasses = result.classes; }
+ else if (line.styleClasses) { line.styleClasses = null; }
+ if (updateFrontier === cm.doc.highlightFrontier)
+ { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
+ }
+ return line.styles
+}
+
+function getContextBefore(cm, n, precise) {
+ var doc = cm.doc, display = cm.display;
+ if (!doc.mode.startState) { return new Context(doc, true, n) }
+ var start = findStartLine(cm, n, precise);
+ var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
+ var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
+
+ doc.iter(start, n, function (line) {
+ processLine(cm, line.text, context);
+ var pos = context.line;
+ line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
+ context.nextLine();
+ });
+ if (precise) { doc.modeFrontier = context.line; }
+ return context
+}
+
+// Lightweight form of highlight -- proceed over this line and
+// update state, but don't save a style array. Used for lines that
+// aren't currently visible.
+function processLine(cm, text, context, startAt) {
+ var mode = cm.doc.mode;
+ var stream = new StringStream(text, cm.options.tabSize, context);
+ stream.start = stream.pos = startAt || 0;
+ if (text == "") { callBlankLine(mode, context.state); }
+ while (!stream.eol()) {
+ readToken(mode, stream, context.state);
+ stream.start = stream.pos;
+ }
+}
+
+function callBlankLine(mode, state) {
+ if (mode.blankLine) { return mode.blankLine(state) }
+ if (!mode.innerMode) { return }
+ var inner = innerMode(mode, state);
+ if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
+}
+
+function readToken(mode, stream, state, inner) {
+ for (var i = 0; i < 10; i++) {
+ if (inner) { inner[0] = innerMode(mode, state).mode; }
+ var style = mode.token(stream, state);
+ if (stream.pos > stream.start) { return style }
+ }
+ throw new Error("Mode " + mode.name + " failed to advance stream.")
+}
+
+var Token = function(stream, type, state) {
+ this.start = stream.start; this.end = stream.pos;
+ this.string = stream.current();
+ this.type = type || null;
+ this.state = state;
+};
+
+// Utility for getTokenAt and getLineTokens
+function takeToken(cm, pos, precise, asArray) {
+ var doc = cm.doc, mode = doc.mode, style;
+ pos = clipPos(doc, pos);
+ var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
+ var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
+ if (asArray) { tokens = []; }
+ while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+ stream.start = stream.pos;
+ style = readToken(mode, stream, context.state);
+ if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
+ }
+ return asArray ? tokens : new Token(stream, style, context.state)
+}
+
+function extractLineClasses(type, output) {
+ if (type) { for (;;) {
+ var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
+ if (!lineClass) { break }
+ type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
+ var prop = lineClass[1] ? "bgClass" : "textClass";
+ if (output[prop] == null)
+ { output[prop] = lineClass[2]; }
+ else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
+ { output[prop] += " " + lineClass[2]; }
+ } }
+ return type
+}
+
+// Run the given mode's parser over a line, calling f for each token.
+function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+ var flattenSpans = mode.flattenSpans;
+ if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
+ var curStart = 0, curStyle = null;
+ var stream = new StringStream(text, cm.options.tabSize, context), style;
+ var inner = cm.options.addModeClass && [null];
+ if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
+ while (!stream.eol()) {
+ if (stream.pos > cm.options.maxHighlightLength) {
+ flattenSpans = false;
+ if (forceToEnd) { processLine(cm, text, context, stream.pos); }
+ stream.pos = text.length;
+ style = null;
+ } else {
+ style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
+ }
+ if (inner) {
+ var mName = inner[0].name;
+ if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
+ }
+ if (!flattenSpans || curStyle != style) {
+ while (curStart < stream.start) {
+ curStart = Math.min(stream.start, curStart + 5000);
+ f(curStart, curStyle);
+ }
+ curStyle = style;
+ }
+ stream.start = stream.pos;
+ }
+ while (curStart < stream.pos) {
+ // Webkit seems to refuse to render text nodes longer than 57444
+ // characters, and returns inaccurate measurements in nodes
+ // starting around 5000 chars.
+ var pos = Math.min(stream.pos, curStart + 5000);
+ f(pos, curStyle);
+ curStart = pos;
+ }
+}
+
+// Finds the line to start with when starting a parse. Tries to
+// find a line with a stateAfter, so that it can start with a
+// valid state. If that fails, it returns the line with the
+// smallest indentation, which tends to need the least context to
+// parse correctly.
+function findStartLine(cm, n, precise) {
+ var minindent, minline, doc = cm.doc;
+ var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
+ for (var search = n; search > lim; --search) {
+ if (search <= doc.first) { return doc.first }
+ var line = getLine(doc, search - 1), after = line.stateAfter;
+ if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+ { return search }
+ var indented = countColumn(line.text, null, cm.options.tabSize);
+ if (minline == null || minindent > indented) {
+ minline = search - 1;
+ minindent = indented;
+ }
+ }
+ return minline
+}
+
+function retreatFrontier(doc, n) {
+ doc.modeFrontier = Math.min(doc.modeFrontier, n);
+ if (doc.highlightFrontier < n - 10) { return }
+ var start = doc.first;
+ for (var line = n - 1; line > start; line--) {
+ var saved = getLine(doc, line).stateAfter;
+ // change is on 3
+ // state on line 1 looked ahead 2 -- so saw 3
+ // test 1 + 2 < 3 should cover this
+ if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+ start = line + 1;
+ break
+ }
+ }
+ doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
+}
+
+// LINE DATA STRUCTURE
+
+// Line objects. These hold state related to a line, including
+// highlighting info (the styles array).
+var Line = function(text, markedSpans, estimateHeight) {
+ this.text = text;
+ attachMarkedSpans(this, markedSpans);
+ this.height = estimateHeight ? estimateHeight(this) : 1;
+};
+
+Line.prototype.lineNo = function () { return lineNo(this) };
+eventMixin(Line);
+
+// Change the content (text, markers) of a line. Automatically
+// invalidates cached information and tries to re-estimate the
+// line's height.
+function updateLine(line, text, markedSpans, estimateHeight) {
+ line.text = text;
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ if (line.order != null) { line.order = null; }
+ detachMarkedSpans(line);
+ attachMarkedSpans(line, markedSpans);
+ var estHeight = estimateHeight ? estimateHeight(line) : 1;
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+}
+
+// Detach a line from the document tree and its markers.
+function cleanUpLine(line) {
+ line.parent = null;
+ detachMarkedSpans(line);
+}
+
+// Convert a style as returned by a mode (either null, or a string
+// containing one or more styles) to a CSS style. This is cached,
+// and also looks for line-wide styles.
+var styleToClassCache = {};
+var styleToClassCacheWithMode = {};
+function interpretTokenStyle(style, options) {
+ if (!style || /^\s*$/.test(style)) { return null }
+ var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
+ return cache[style] ||
+ (cache[style] = style.replace(/\S+/g, "cm-$&"))
+}
+
+// Render the DOM representation of the text of a line. Also builds
+// up a 'line map', which points at the DOM nodes that represent
+// specific stretches of text, and is used by the measuring code.
+// The returned object contains the DOM node, this map, and
+// information about line-wide styles that were set by the mode.
+function buildLineContent(cm, lineView) {
+ // The padding-right forces the element to have a 'border', which
+ // is needed on Webkit to be able to get line-level bounding
+ // rectangles for it (in measureChar).
+ var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
+ var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+ col: 0, pos: 0, cm: cm,
+ trailingSpace: false,
+ splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
+ lineView.measure = {};
+
+ // Iterate over the logical lines that make up this visual line.
+ for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+ var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
+ builder.pos = 0;
+ builder.addToken = buildToken;
+ // Optionally wire in some hacks into the token-rendering
+ // algorithm, to deal with browser quirks.
+ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+ { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
+ builder.map = [];
+ var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
+ insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
+ if (line.styleClasses) {
+ if (line.styleClasses.bgClass)
+ { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
+ if (line.styleClasses.textClass)
+ { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
+ }
+
+ // Ensure at least a single node is present, for measuring.
+ if (builder.map.length == 0)
+ { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }
+
+ // Store the map and a cache object for the current logical line
+ if (i == 0) {
+ lineView.measure.map = builder.map;
+ lineView.measure.cache = {};
+ } else {
+ (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+ ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
+ }
+ }
+
+ // See issue #2901
+ if (webkit) {
+ var last = builder.content.lastChild;
+ if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+ { builder.content.className = "cm-tab-wrap-hack"; }
+ }
+
+ signal(cm, "renderLine", cm, lineView.line, builder.pre);
+ if (builder.pre.className)
+ { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }
+
+ return builder
+}
+
+function defaultSpecialCharPlaceholder(ch) {
+ var token = elt("span", "\u2022", "cm-invalidchar");
+ token.title = "\\u" + ch.charCodeAt(0).toString(16);
+ token.setAttribute("aria-label", token.title);
+ return token
+}
+
+// Build up the DOM representation for a single token, and add it to
+// the line map. Takes care to render special characters separately.
+function buildToken(builder, text, style, startStyle, endStyle, title, css) {
+ if (!text) { return }
+ var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
+ var special = builder.cm.state.specialChars, mustWrap = false;
+ var content;
+ if (!special.test(text)) {
+ builder.col += text.length;
+ content = document.createTextNode(displayText);
+ builder.map.push(builder.pos, builder.pos + text.length, content);
+ if (ie && ie_version < 9) { mustWrap = true; }
+ builder.pos += text.length;
+ } else {
+ content = document.createDocumentFragment();
+ var pos = 0;
+ while (true) {
+ special.lastIndex = pos;
+ var m = special.exec(text);
+ var skipped = m ? m.index - pos : text.length - pos;
+ if (skipped) {
+ var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
+ else { content.appendChild(txt); }
+ builder.map.push(builder.pos, builder.pos + skipped, txt);
+ builder.col += skipped;
+ builder.pos += skipped;
+ }
+ if (!m) { break }
+ pos += skipped + 1;
+ var txt$1 = (void 0);
+ if (m[0] == "\t") {
+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+ txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+ txt$1.setAttribute("role", "presentation");
+ txt$1.setAttribute("cm-text", "\t");
+ builder.col += tabWidth;
+ } else if (m[0] == "\r" || m[0] == "\n") {
+ txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
+ txt$1.setAttribute("cm-text", m[0]);
+ builder.col += 1;
+ } else {
+ txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
+ txt$1.setAttribute("cm-text", m[0]);
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
+ else { content.appendChild(txt$1); }
+ builder.col += 1;
+ }
+ builder.map.push(builder.pos, builder.pos + 1, txt$1);
+ builder.pos++;
+ }
+ }
+ builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
+ if (style || startStyle || endStyle || mustWrap || css) {
+ var fullStyle = style || "";
+ if (startStyle) { fullStyle += startStyle; }
+ if (endStyle) { fullStyle += endStyle; }
+ var token = elt("span", [content], fullStyle, css);
+ if (title) { token.title = title; }
+ return builder.content.appendChild(token)
+ }
+ builder.content.appendChild(content);
+}
+
+function splitSpaces(text, trailingBefore) {
+ if (text.length > 1 && !/ /.test(text)) { return text }
+ var spaceBefore = trailingBefore, result = "";
+ for (var i = 0; i < text.length; i++) {
+ var ch = text.charAt(i);
+ if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+ { ch = "\u00a0"; }
+ result += ch;
+ spaceBefore = ch == " ";
+ }
+ return result
+}
+
+// Work around nonsense dimensions being reported for stretches of
+// right-to-left text.
+function buildTokenBadBidi(inner, order) {
+ return function (builder, text, style, startStyle, endStyle, title, css) {
+ style = style ? style + " cm-force-border" : "cm-force-border";
+ var start = builder.pos, end = start + text.length;
+ for (;;) {
+ // Find the part that overlaps with the start of this text
+ var part = (void 0);
+ for (var i = 0; i < order.length; i++) {
+ part = order[i];
+ if (part.to > start && part.from <= start) { break }
+ }
+ if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }
+ inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
+ startStyle = null;
+ text = text.slice(part.to - start);
+ start = part.to;
+ }
+ }
+}
+
+function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+ var widget = !ignoreWidget && marker.widgetNode;
+ if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
+ if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+ if (!widget)
+ { widget = builder.content.appendChild(document.createElement("span")); }
+ widget.setAttribute("cm-marker", marker.id);
+ }
+ if (widget) {
+ builder.cm.display.input.setUneditable(widget);
+ builder.content.appendChild(widget);
+ }
+ builder.pos += size;
+ builder.trailingSpace = false;
+}
+
+// Outputs a number of spans to make up a line, taking highlighting
+// and marked text into account.
+function insertLineContent(line, builder, styles) {
+ var spans = line.markedSpans, allText = line.text, at = 0;
+ if (!spans) {
+ for (var i$1 = 1; i$1 < styles.length; i$1+=2)
+ { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
+ return
+ }
+
+ var len = allText.length, pos = 0, i = 1, text = "", style, css;
+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
+ for (;;) {
+ if (nextChange == pos) { // Update current marker set
+ spanStyle = spanEndStyle = spanStartStyle = title = css = "";
+ collapsed = null; nextChange = Infinity;
+ var foundBookmarks = [], endStyles = (void 0);
+ for (var j = 0; j < spans.length; ++j) {
+ var sp = spans[j], m = sp.marker;
+ if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+ foundBookmarks.push(m);
+ } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+ if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+ nextChange = sp.to;
+ spanEndStyle = "";
+ }
+ if (m.className) { spanStyle += " " + m.className; }
+ if (m.css) { css = (css ? css + ";" : "") + m.css; }
+ if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
+ if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
+ if (m.title && !title) { title = m.title; }
+ if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+ { collapsed = sp; }
+ } else if (sp.from > pos && nextChange > sp.from) {
+ nextChange = sp.from;
+ }
+ }
+ if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
+ { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }
+
+ if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
+ { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
+ if (collapsed && (collapsed.from || 0) == pos) {
+ buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+ collapsed.marker, collapsed.from == null);
+ if (collapsed.to == null) { return }
+ if (collapsed.to == pos) { collapsed = false; }
+ }
+ }
+ if (pos >= len) { break }
+
+ var upto = Math.min(len, nextChange);
+ while (true) {
+ if (text) {
+ var end = pos + text.length;
+ if (!collapsed) {
+ var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
+ }
+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+ pos = end;
+ spanStartStyle = "";
+ }
+ text = allText.slice(at, at = styles[i++]);
+ style = interpretTokenStyle(styles[i++], builder.cm.options);
+ }
+ }
+}
+
+
+// These objects are used to represent the visible (currently drawn)
+// part of the document. A LineView may correspond to multiple
+// logical lines, if those are connected by collapsed ranges.
+function LineView(doc, line, lineN) {
+ // The starting line
+ this.line = line;
+ // Continuing lines, if any
+ this.rest = visualLineContinued(line);
+ // Number of logical lines in this visual line
+ this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
+ this.node = this.text = null;
+ this.hidden = lineIsHidden(doc, line);
+}
+
+// Create a range of LineView objects for the given lines.
+function buildViewArray(cm, from, to) {
+ var array = [], nextPos;
+ for (var pos = from; pos < to; pos = nextPos) {
+ var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
+ nextPos = pos + view.size;
+ array.push(view);
+ }
+ return array
+}
+
+var operationGroup = null;
+
+function pushOperation(op) {
+ if (operationGroup) {
+ operationGroup.ops.push(op);
+ } else {
+ op.ownsGroup = operationGroup = {
+ ops: [op],
+ delayedCallbacks: []
+ };
+ }
+}
+
+function fireCallbacksForOps(group) {
+ // Calls delayed callbacks and cursorActivity handlers until no
+ // new ones appear
+ var callbacks = group.delayedCallbacks, i = 0;
+ do {
+ for (; i < callbacks.length; i++)
+ { callbacks[i].call(null); }
+ for (var j = 0; j < group.ops.length; j++) {
+ var op = group.ops[j];
+ if (op.cursorActivityHandlers)
+ { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
+ { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
+ }
+ } while (i < callbacks.length)
+}
+
+function finishOperation(op, endCb) {
+ var group = op.ownsGroup;
+ if (!group) { return }
+
+ try { fireCallbacksForOps(group); }
+ finally {
+ operationGroup = null;
+ endCb(group);
+ }
+}
+
+var orphanDelayedCallbacks = null;
+
+// Often, we want to signal events at a point where we are in the
+// middle of some work, but don't want the handler to start calling
+// other methods on the editor, which might be in an inconsistent
+// state or simply not expect any other events to happen.
+// signalLater looks whether there are any handlers, and schedules
+// them to be executed when the last operation ends, or, if no
+// operation is active, when a timeout fires.
+function signalLater(emitter, type /*, values...*/) {
+ var arr = getHandlers(emitter, type);
+ if (!arr.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2), list;
+ if (operationGroup) {
+ list = operationGroup.delayedCallbacks;
+ } else if (orphanDelayedCallbacks) {
+ list = orphanDelayedCallbacks;
+ } else {
+ list = orphanDelayedCallbacks = [];
+ setTimeout(fireOrphanDelayed, 0);
+ }
+ var loop = function ( i ) {
+ list.push(function () { return arr[i].apply(null, args); });
+ };
+
+ for (var i = 0; i < arr.length; ++i)
+ loop( i );
+}
+
+function fireOrphanDelayed() {
+ var delayed = orphanDelayedCallbacks;
+ orphanDelayedCallbacks = null;
+ for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
+}
+
+// When an aspect of a line changes, a string is added to
+// lineView.changes. This updates the relevant part of the line's
+// DOM structure.
+function updateLineForChanges(cm, lineView, lineN, dims) {
+ for (var j = 0; j < lineView.changes.length; j++) {
+ var type = lineView.changes[j];
+ if (type == "text") { updateLineText(cm, lineView); }
+ else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
+ else if (type == "class") { updateLineClasses(cm, lineView); }
+ else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
+ }
+ lineView.changes = null;
+}
+
+// Lines with gutter elements, widgets or a background class need to
+// be wrapped, and have the extra elements added to the wrapper div
+function ensureLineWrapped(lineView) {
+ if (lineView.node == lineView.text) {
+ lineView.node = elt("div", null, null, "position: relative");
+ if (lineView.text.parentNode)
+ { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
+ lineView.node.appendChild(lineView.text);
+ if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
+ }
+ return lineView.node
+}
+
+function updateLineBackground(cm, lineView) {
+ var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
+ if (cls) { cls += " CodeMirror-linebackground"; }
+ if (lineView.background) {
+ if (cls) { lineView.background.className = cls; }
+ else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
+ } else if (cls) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
+ cm.display.input.setUneditable(lineView.background);
+ }
+}
+
+// Wrapper around buildLineContent which will reuse the structure
+// in display.externalMeasured when possible.
+function getLineContent(cm, lineView) {
+ var ext = cm.display.externalMeasured;
+ if (ext && ext.line == lineView.line) {
+ cm.display.externalMeasured = null;
+ lineView.measure = ext.measure;
+ return ext.built
+ }
+ return buildLineContent(cm, lineView)
+}
+
+// Redraw the line's text. Interacts with the background and text
+// classes because the mode may output tokens that influence these
+// classes.
+function updateLineText(cm, lineView) {
+ var cls = lineView.text.className;
+ var built = getLineContent(cm, lineView);
+ if (lineView.text == lineView.node) { lineView.node = built.pre; }
+ lineView.text.parentNode.replaceChild(built.pre, lineView.text);
+ lineView.text = built.pre;
+ if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
+ lineView.bgClass = built.bgClass;
+ lineView.textClass = built.textClass;
+ updateLineClasses(cm, lineView);
+ } else if (cls) {
+ lineView.text.className = cls;
+ }
+}
+
+function updateLineClasses(cm, lineView) {
+ updateLineBackground(cm, lineView);
+ if (lineView.line.wrapClass)
+ { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
+ else if (lineView.node != lineView.text)
+ { lineView.node.className = ""; }
+ var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
+ lineView.text.className = textClass || "";
+}
+
+function updateLineGutter(cm, lineView, lineN, dims) {
+ if (lineView.gutter) {
+ lineView.node.removeChild(lineView.gutter);
+ lineView.gutter = null;
+ }
+ if (lineView.gutterBackground) {
+ lineView.node.removeChild(lineView.gutterBackground);
+ lineView.gutterBackground = null;
+ }
+ if (lineView.line.gutterClass) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
+ ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(lineView.gutterBackground);
+ wrap.insertBefore(lineView.gutterBackground, lineView.text);
+ }
+ var markers = lineView.line.gutterMarkers;
+ if (cm.options.lineNumbers || markers) {
+ var wrap$1 = ensureLineWrapped(lineView);
+ var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(gutterWrap);
+ wrap$1.insertBefore(gutterWrap, lineView.text);
+ if (lineView.line.gutterClass)
+ { gutterWrap.className += " " + lineView.line.gutterClass; }
+ if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+ { lineView.lineNumber = gutterWrap.appendChild(
+ elt("div", lineNumberFor(cm.options, lineN),
+ "CodeMirror-linenumber CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
+ if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {
+ var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
+ if (found)
+ { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
+ } }
+ }
+}
+
+function updateLineWidgets(cm, lineView, dims) {
+ if (lineView.alignable) { lineView.alignable = null; }
+ for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
+ next = node.nextSibling;
+ if (node.className == "CodeMirror-linewidget")
+ { lineView.node.removeChild(node); }
+ }
+ insertLineWidgets(cm, lineView, dims);
+}
+
+// Build a line's DOM representation from scratch
+function buildLineElement(cm, lineView, lineN, dims) {
+ var built = getLineContent(cm, lineView);
+ lineView.text = lineView.node = built.pre;
+ if (built.bgClass) { lineView.bgClass = built.bgClass; }
+ if (built.textClass) { lineView.textClass = built.textClass; }
+
+ updateLineClasses(cm, lineView);
+ updateLineGutter(cm, lineView, lineN, dims);
+ insertLineWidgets(cm, lineView, dims);
+ return lineView.node
+}
+
+// A lineView may contain multiple logical lines (when merged by
+// collapsed spans). The widgets for all of them need to be drawn.
+function insertLineWidgets(cm, lineView, dims) {
+ insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
+}
+
+function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
+ if (!line.widgets) { return }
+ var wrap = ensureLineWrapped(lineView);
+ for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+ if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
+ positionLineWidget(widget, node, lineView, dims);
+ cm.display.input.setUneditable(node);
+ if (allowAbove && widget.above)
+ { wrap.insertBefore(node, lineView.gutter || lineView.text); }
+ else
+ { wrap.appendChild(node); }
+ signalLater(widget, "redraw");
+ }
+}
+
+function positionLineWidget(widget, node, lineView, dims) {
+ if (widget.noHScroll) {
+ (lineView.alignable || (lineView.alignable = [])).push(node);
+ var width = dims.wrapperWidth;
+ node.style.left = dims.fixedPos + "px";
+ if (!widget.coverGutter) {
+ width -= dims.gutterTotalWidth;
+ node.style.paddingLeft = dims.gutterTotalWidth + "px";
+ }
+ node.style.width = width + "px";
+ }
+ if (widget.coverGutter) {
+ node.style.zIndex = 5;
+ node.style.position = "relative";
+ if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
+ }
+}
+
+function widgetHeight(widget) {
+ if (widget.height != null) { return widget.height }
+ var cm = widget.doc.cm;
+ if (!cm) { return 0 }
+ if (!contains(document.body, widget.node)) {
+ var parentStyle = "position: relative;";
+ if (widget.coverGutter)
+ { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
+ if (widget.noHScroll)
+ { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
+ removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
+ }
+ return widget.height = widget.node.parentNode.offsetHeight
+}
+
+// Return true when the given mouse event happened in a widget
+function eventInWidget(display, e) {
+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+ if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
+ (n.parentNode == display.sizer && n != display.mover))
+ { return true }
+ }
+}
+
+// POSITION MEASUREMENT
+
+function paddingTop(display) {return display.lineSpace.offsetTop}
+function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
+function paddingH(display) {
+ if (display.cachedPaddingH) { return display.cachedPaddingH }
+ var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
+ var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
+ var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
+ if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
+ return data
+}
+
+function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
+function displayWidth(cm) {
+ return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
+}
+function displayHeight(cm) {
+ return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
+}
+
+// Ensure the lineView.wrapping.heights array is populated. This is
+// an array of bottom offsets for the lines that make up a drawn
+// line. When lineWrapping is on, there might be more than one
+// height.
+function ensureLineHeights(cm, lineView, rect) {
+ var wrapping = cm.options.lineWrapping;
+ var curWidth = wrapping && displayWidth(cm);
+ if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
+ var heights = lineView.measure.heights = [];
+ if (wrapping) {
+ lineView.measure.width = curWidth;
+ var rects = lineView.text.firstChild.getClientRects();
+ for (var i = 0; i < rects.length - 1; i++) {
+ var cur = rects[i], next = rects[i + 1];
+ if (Math.abs(cur.bottom - next.bottom) > 2)
+ { heights.push((cur.bottom + next.top) / 2 - rect.top); }
+ }
+ }
+ heights.push(rect.bottom - rect.top);
+ }
+}
+
+// Find a line map (mapping character offsets to text nodes) and a
+// measurement cache for the given line number. (A line view might
+// contain multiple lines when collapsed ranges are present.)
+function mapFromLineView(lineView, line, lineN) {
+ if (lineView.line == line)
+ { return {map: lineView.measure.map, cache: lineView.measure.cache} }
+ for (var i = 0; i < lineView.rest.length; i++)
+ { if (lineView.rest[i] == line)
+ { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
+ for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
+ { if (lineNo(lineView.rest[i$1]) > lineN)
+ { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
+}
+
+// Render a line into the hidden node display.externalMeasured. Used
+// when measurement is needed for a line that's not in the viewport.
+function updateExternalMeasurement(cm, line) {
+ line = visualLine(line);
+ var lineN = lineNo(line);
+ var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
+ view.lineN = lineN;
+ var built = view.built = buildLineContent(cm, view);
+ view.text = built.pre;
+ removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
+ return view
+}
+
+// Get a {top, bottom, left, right} box (in line-local coordinates)
+// for a given character.
+function measureChar(cm, line, ch, bias) {
+ return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
+}
+
+// Find a line view that corresponds to the given line number.
+function findViewForLine(cm, lineN) {
+ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
+ { return cm.display.view[findViewIndex(cm, lineN)] }
+ var ext = cm.display.externalMeasured;
+ if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
+ { return ext }
+}
+
+// Measurement can be split in two steps, the set-up work that
+// applies to the whole line, and the measurement of the actual
+// character. Functions like coordsChar, that need to do a lot of
+// measurements in a row, can thus ensure that the set-up work is
+// only done once.
+function prepareMeasureForLine(cm, line) {
+ var lineN = lineNo(line);
+ var view = findViewForLine(cm, lineN);
+ if (view && !view.text) {
+ view = null;
+ } else if (view && view.changes) {
+ updateLineForChanges(cm, view, lineN, getDimensions(cm));
+ cm.curOp.forceUpdate = true;
+ }
+ if (!view)
+ { view = updateExternalMeasurement(cm, line); }
+
+ var info = mapFromLineView(view, line, lineN);
+ return {
+ line: line, view: view, rect: null,
+ map: info.map, cache: info.cache, before: info.before,
+ hasHeights: false
+ }
+}
+
+// Given a prepared measurement object, measures the position of an
+// actual character (or fetches it from the cache).
+function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
+ if (prepared.before) { ch = -1; }
+ var key = ch + (bias || ""), found;
+ if (prepared.cache.hasOwnProperty(key)) {
+ found = prepared.cache[key];
+ } else {
+ if (!prepared.rect)
+ { prepared.rect = prepared.view.text.getBoundingClientRect(); }
+ if (!prepared.hasHeights) {
+ ensureLineHeights(cm, prepared.view, prepared.rect);
+ prepared.hasHeights = true;
+ }
+ found = measureCharInner(cm, prepared, ch, bias);
+ if (!found.bogus) { prepared.cache[key] = found; }
+ }
+ return {left: found.left, right: found.right,
+ top: varHeight ? found.rtop : found.top,
+ bottom: varHeight ? found.rbottom : found.bottom}
+}
+
+var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
+
+function nodeAndOffsetInLineMap(map$$1, ch, bias) {
+ var node, start, end, collapse, mStart, mEnd;
+ // First, search the line map for the text node corresponding to,
+ // or closest to, the target character.
+ for (var i = 0; i < map$$1.length; i += 3) {
+ mStart = map$$1[i];
+ mEnd = map$$1[i + 1];
+ if (ch < mStart) {
+ start = 0; end = 1;
+ collapse = "left";
+ } else if (ch < mEnd) {
+ start = ch - mStart;
+ end = start + 1;
+ } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {
+ end = mEnd - mStart;
+ start = end - 1;
+ if (ch >= mEnd) { collapse = "right"; }
+ }
+ if (start != null) {
+ node = map$$1[i + 2];
+ if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
+ { collapse = bias; }
+ if (bias == "left" && start == 0)
+ { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {
+ node = map$$1[(i -= 3) + 2];
+ collapse = "left";
+ } }
+ if (bias == "right" && start == mEnd - mStart)
+ { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {
+ node = map$$1[(i += 3) + 2];
+ collapse = "right";
+ } }
+ break
+ }
+ }
+ return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
+}
+
+function getUsefulRect(rects, bias) {
+ var rect = nullRect;
+ if (bias == "left") { for (var i = 0; i < rects.length; i++) {
+ if ((rect = rects[i]).left != rect.right) { break }
+ } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
+ if ((rect = rects[i$1]).left != rect.right) { break }
+ } }
+ return rect
+}
+
+function measureCharInner(cm, prepared, ch, bias) {
+ var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
+ var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
+
+ var rect;
+ if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
+ for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
+ while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
+ while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
+ if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
+ { rect = node.parentNode.getBoundingClientRect(); }
+ else
+ { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
+ if (rect.left || rect.right || start == 0) { break }
+ end = start;
+ start = start - 1;
+ collapse = "right";
+ }
+ if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
+ } else { // If it is a widget, simply get the box for the whole widget.
+ if (start > 0) { collapse = bias = "right"; }
+ var rects;
+ if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
+ { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
+ else
+ { rect = node.getBoundingClientRect(); }
+ }
+ if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
+ var rSpan = node.parentNode.getClientRects()[0];
+ if (rSpan)
+ { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
+ else
+ { rect = nullRect; }
+ }
+
+ var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
+ var mid = (rtop + rbot) / 2;
+ var heights = prepared.view.measure.heights;
+ var i = 0;
+ for (; i < heights.length - 1; i++)
+ { if (mid < heights[i]) { break } }
+ var top = i ? heights[i - 1] : 0, bot = heights[i];
+ var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
+ right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
+ top: top, bottom: bot};
+ if (!rect.left && !rect.right) { result.bogus = true; }
+ if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
+
+ return result
+}
+
+// Work around problem with bounding client rects on ranges being
+// returned incorrectly when zoomed on IE10 and below.
+function maybeUpdateRectForZooming(measure, rect) {
+ if (!window.screen || screen.logicalXDPI == null ||
+ screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
+ { return rect }
+ var scaleX = screen.logicalXDPI / screen.deviceXDPI;
+ var scaleY = screen.logicalYDPI / screen.deviceYDPI;
+ return {left: rect.left * scaleX, right: rect.right * scaleX,
+ top: rect.top * scaleY, bottom: rect.bottom * scaleY}
+}
+
+function clearLineMeasurementCacheFor(lineView) {
+ if (lineView.measure) {
+ lineView.measure.cache = {};
+ lineView.measure.heights = null;
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { lineView.measure.caches[i] = {}; } }
+ }
+}
+
+function clearLineMeasurementCache(cm) {
+ cm.display.externalMeasure = null;
+ removeChildren(cm.display.lineMeasure);
+ for (var i = 0; i < cm.display.view.length; i++)
+ { clearLineMeasurementCacheFor(cm.display.view[i]); }
+}
+
+function clearCaches(cm) {
+ clearLineMeasurementCache(cm);
+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
+ if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
+ cm.display.lineNumChars = null;
+}
+
+function pageScrollX() {
+ // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
+ // which causes page_Offset and bounding client rects to use
+ // different reference viewports and invalidate our calculations.
+ if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
+ return window.pageXOffset || (document.documentElement || document.body).scrollLeft
+}
+function pageScrollY() {
+ if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
+ return window.pageYOffset || (document.documentElement || document.body).scrollTop
+}
+
+function widgetTopHeight(lineObj) {
+ var height = 0;
+ if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
+ { height += widgetHeight(lineObj.widgets[i]); } } }
+ return height
+}
+
+// Converts a {top, bottom, left, right} box from line-local
+// coordinates into another coordinate system. Context may be one of
+// "line", "div" (display.lineDiv), "local"./null (editor), "window",
+// or "page".
+function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
+ if (!includeWidgets) {
+ var height = widgetTopHeight(lineObj);
+ rect.top += height; rect.bottom += height;
+ }
+ if (context == "line") { return rect }
+ if (!context) { context = "local"; }
+ var yOff = heightAtLine(lineObj);
+ if (context == "local") { yOff += paddingTop(cm.display); }
+ else { yOff -= cm.display.viewOffset; }
+ if (context == "page" || context == "window") {
+ var lOff = cm.display.lineSpace.getBoundingClientRect();
+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
+ rect.left += xOff; rect.right += xOff;
+ }
+ rect.top += yOff; rect.bottom += yOff;
+ return rect
+}
+
+// Coverts a box from "div" coords to another coordinate system.
+// Context may be "window", "page", "div", or "local"./null.
+function fromCoordSystem(cm, coords, context) {
+ if (context == "div") { return coords }
+ var left = coords.left, top = coords.top;
+ // First move into "page" coordinate system
+ if (context == "page") {
+ left -= pageScrollX();
+ top -= pageScrollY();
+ } else if (context == "local" || !context) {
+ var localBox = cm.display.sizer.getBoundingClientRect();
+ left += localBox.left;
+ top += localBox.top;
+ }
+
+ var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
+}
+
+function charCoords(cm, pos, context, lineObj, bias) {
+ if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
+}
+
+// Returns a box for a given cursor position, which may have an
+// 'other' property containing the position of the secondary cursor
+// on a bidi boundary.
+// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
+// and after `char - 1` in writing order of `char - 1`
+// A cursor Pos(line, char, "after") is on the same visual line as `char`
+// and before `char` in writing order of `char`
+// Examples (upper-case letters are RTL, lower-case are LTR):
+// Pos(0, 1, ...)
+// before after
+// ab a|b a|b
+// aB a|B aB|
+// Ab |Ab A|b
+// AB B|A B|A
+// Every position after the last character on a line is considered to stick
+// to the last character on the line.
+function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
+ lineObj = lineObj || getLine(cm.doc, pos.line);
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ function get(ch, right) {
+ var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
+ if (right) { m.left = m.right; } else { m.right = m.left; }
+ return intoCoordSystem(cm, lineObj, m, context)
+ }
+ var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
+ if (ch >= lineObj.text.length) {
+ ch = lineObj.text.length;
+ sticky = "before";
+ } else if (ch <= 0) {
+ ch = 0;
+ sticky = "after";
+ }
+ if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
+
+ function getBidi(ch, partPos, invert) {
+ var part = order[partPos], right = part.level == 1;
+ return get(invert ? ch - 1 : ch, right != invert)
+ }
+ var partPos = getBidiPartAt(order, ch, sticky);
+ var other = bidiOther;
+ var val = getBidi(ch, partPos, sticky == "before");
+ if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
+ return val
+}
+
+// Used to cheaply estimate the coordinates for a position. Used for
+// intermediate scroll updates.
+function estimateCoords(cm, pos) {
+ var left = 0;
+ pos = clipPos(cm.doc, pos);
+ if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
+ var lineObj = getLine(cm.doc, pos.line);
+ var top = heightAtLine(lineObj) + paddingTop(cm.display);
+ return {left: left, right: left, top: top, bottom: top + lineObj.height}
+}
+
+// Positions returned by coordsChar contain some extra information.
+// xRel is the relative x position of the input coordinates compared
+// to the found position (so xRel > 0 means the coordinates are to
+// the right of the character position, for example). When outside
+// is true, that means the coordinates lie outside the line's
+// vertical range.
+function PosWithInfo(line, ch, sticky, outside, xRel) {
+ var pos = Pos(line, ch, sticky);
+ pos.xRel = xRel;
+ if (outside) { pos.outside = true; }
+ return pos
+}
+
+// Compute the character position closest to the given coordinates.
+// Input must be lineSpace-local ("div" coordinate system).
+function coordsChar(cm, x, y) {
+ var doc = cm.doc;
+ y += cm.display.viewOffset;
+ if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }
+ var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
+ if (lineN > last)
+ { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }
+ if (x < 0) { x = 0; }
+
+ var lineObj = getLine(doc, lineN);
+ for (;;) {
+ var found = coordsCharInner(cm, lineObj, lineN, x, y);
+ var merged = collapsedSpanAtEnd(lineObj);
+ var mergedPos = merged && merged.find(0, true);
+ if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
+ { lineN = lineNo(lineObj = mergedPos.to.line); }
+ else
+ { return found }
+ }
+}
+
+function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
+ y -= widgetTopHeight(lineObj);
+ var end = lineObj.text.length;
+ var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
+ end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
+ return {begin: begin, end: end}
+}
+
+function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
+ return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
+}
+
+// Returns true if the given side of a box is after the given
+// coordinates, in top-to-bottom, left-to-right order.
+function boxIsAfter(box, x, y, left) {
+ return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
+}
+
+function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {
+ // Move y into line-local coordinate space
+ y -= heightAtLine(lineObj);
+ var preparedMeasure = prepareMeasureForLine(cm, lineObj);
+ // When directly calling `measureCharPrepared`, we have to adjust
+ // for the widgets at this line.
+ var widgetHeight$$1 = widgetTopHeight(lineObj);
+ var begin = 0, end = lineObj.text.length, ltr = true;
+
+ var order = getOrder(lineObj, cm.doc.direction);
+ // If the line isn't plain left-to-right text, first figure out
+ // which bidi section the coordinates fall into.
+ if (order) {
+ var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
+ (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);
+ ltr = part.level != 1;
+ // The awkward -1 offsets are needed because findFirst (called
+ // on these below) will treat its first bound as inclusive,
+ // second as exclusive, but we want to actually address the
+ // characters in the part's range
+ begin = ltr ? part.from : part.to - 1;
+ end = ltr ? part.to : part.from - 1;
+ }
+
+ // A binary search to find the first character whose bounding box
+ // starts after the coordinates. If we run across any whose box wrap
+ // the coordinates, store that.
+ var chAround = null, boxAround = null;
+ var ch = findFirst(function (ch) {
+ var box = measureCharPrepared(cm, preparedMeasure, ch);
+ box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;
+ if (!boxIsAfter(box, x, y, false)) { return false }
+ if (box.top <= y && box.left <= x) {
+ chAround = ch;
+ boxAround = box;
+ }
+ return true
+ }, begin, end);
+
+ var baseX, sticky, outside = false;
+ // If a box around the coordinates was found, use that
+ if (boxAround) {
+ // Distinguish coordinates nearer to the left or right side of the box
+ var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
+ ch = chAround + (atStart ? 0 : 1);
+ sticky = atStart ? "after" : "before";
+ baseX = atLeft ? boxAround.left : boxAround.right;
+ } else {
+ // (Adjust for extended bound, if necessary.)
+ if (!ltr && (ch == end || ch == begin)) { ch++; }
+ // To determine which side to associate with, get the box to the
+ // left of the character and compare it's vertical position to the
+ // coordinates
+ sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
+ (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?
+ "after" : "before";
+ // Now get accurate coordinates for this place, in order to get a
+ // base X position
+ var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);
+ baseX = coords.left;
+ outside = y < coords.top || y >= coords.bottom;
+ }
+
+ ch = skipExtendingChars(lineObj.text, ch, 1);
+ return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)
+}
+
+function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {
+ // Bidi parts are sorted left-to-right, and in a non-line-wrapping
+ // situation, we can take this ordering to correspond to the visual
+ // ordering. This finds the first part whose end is after the given
+ // coordinates.
+ var index = findFirst(function (i) {
+ var part = order[i], ltr = part.level != 1;
+ return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),
+ "line", lineObj, preparedMeasure), x, y, true)
+ }, 0, order.length - 1);
+ var part = order[index];
+ // If this isn't the first part, the part's start is also after
+ // the coordinates, and the coordinates aren't on the same line as
+ // that start, move one part back.
+ if (index > 0) {
+ var ltr = part.level != 1;
+ var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),
+ "line", lineObj, preparedMeasure);
+ if (boxIsAfter(start, x, y, true) && start.top > y)
+ { part = order[index - 1]; }
+ }
+ return part
+}
+
+function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
+ // In a wrapped line, rtl text on wrapping boundaries can do things
+ // that don't correspond to the ordering in our `order` array at
+ // all, so a binary search doesn't work, and we want to return a
+ // part that only spans one line so that the binary search in
+ // coordsCharInner is safe. As such, we first find the extent of the
+ // wrapped line, and then do a flat search in which we discard any
+ // spans that aren't on the line.
+ var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
+ var begin = ref.begin;
+ var end = ref.end;
+ if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
+ var part = null, closestDist = null;
+ for (var i = 0; i < order.length; i++) {
+ var p = order[i];
+ if (p.from >= end || p.to <= begin) { continue }
+ var ltr = p.level != 1;
+ var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
+ // Weigh against spans ending before this, so that they are only
+ // picked if nothing ends after
+ var dist = endX < x ? x - endX + 1e9 : endX - x;
+ if (!part || closestDist > dist) {
+ part = p;
+ closestDist = dist;
+ }
+ }
+ if (!part) { part = order[order.length - 1]; }
+ // Clip the part to the wrapped line.
+ if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
+ if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
+ return part
+}
+
+var measureText;
+// Compute the default text height.
+function textHeight(display) {
+ if (display.cachedTextHeight != null) { return display.cachedTextHeight }
+ if (measureText == null) {
+ measureText = elt("pre");
+ // Measure a bunch of lines, for browsers that compute
+ // fractional heights.
+ for (var i = 0; i < 49; ++i) {
+ measureText.appendChild(document.createTextNode("x"));
+ measureText.appendChild(elt("br"));
+ }
+ measureText.appendChild(document.createTextNode("x"));
+ }
+ removeChildrenAndAdd(display.measure, measureText);
+ var height = measureText.offsetHeight / 50;
+ if (height > 3) { display.cachedTextHeight = height; }
+ removeChildren(display.measure);
+ return height || 1
+}
+
+// Compute the default character width.
+function charWidth(display) {
+ if (display.cachedCharWidth != null) { return display.cachedCharWidth }
+ var anchor = elt("span", "xxxxxxxxxx");
+ var pre = elt("pre", [anchor]);
+ removeChildrenAndAdd(display.measure, pre);
+ var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
+ if (width > 2) { display.cachedCharWidth = width; }
+ return width || 10
+}
+
+// Do a bulk-read of the DOM positions and sizes needed to draw the
+// view, so that we don't interleave reading and writing to the DOM.
+function getDimensions(cm) {
+ var d = cm.display, left = {}, width = {};
+ var gutterLeft = d.gutters.clientLeft;
+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+ left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
+ width[cm.options.gutters[i]] = n.clientWidth;
+ }
+ return {fixedPos: compensateForHScroll(d),
+ gutterTotalWidth: d.gutters.offsetWidth,
+ gutterLeft: left,
+ gutterWidth: width,
+ wrapperWidth: d.wrapper.clientWidth}
+}
+
+// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
+// but using getBoundingClientRect to get a sub-pixel-accurate
+// result.
+function compensateForHScroll(display) {
+ return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
+}
+
+// Returns a function that estimates the height of a line, to use as
+// first approximation until the line becomes visible (and is thus
+// properly measurable).
+function estimateHeight(cm) {
+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
+ return function (line) {
+ if (lineIsHidden(cm.doc, line)) { return 0 }
+
+ var widgetsHeight = 0;
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
+ if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
+ } }
+
+ if (wrapping)
+ { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
+ else
+ { return widgetsHeight + th }
+ }
+}
+
+function estimateLineHeights(cm) {
+ var doc = cm.doc, est = estimateHeight(cm);
+ doc.iter(function (line) {
+ var estHeight = est(line);
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+ });
+}
+
+// Given a mouse event, find the corresponding position. If liberal
+// is false, it checks whether a gutter or scrollbar was clicked,
+// and returns null if it was. forRect is used by rectangular
+// selections, and tries to estimate a character position even for
+// coordinates beyond the right of the text.
+function posFromMouse(cm, e, liberal, forRect) {
+ var display = cm.display;
+ if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
+
+ var x, y, space = display.lineSpace.getBoundingClientRect();
+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+ try { x = e.clientX - space.left; y = e.clientY - space.top; }
+ catch (e) { return null }
+ var coords = coordsChar(cm, x, y), line;
+ if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
+ var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
+ coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
+ }
+ return coords
+}
+
+// Find the view element corresponding to a given line. Return null
+// when the line isn't visible.
+function findViewIndex(cm, n) {
+ if (n >= cm.display.viewTo) { return null }
+ n -= cm.display.viewFrom;
+ if (n < 0) { return null }
+ var view = cm.display.view;
+ for (var i = 0; i < view.length; i++) {
+ n -= view[i].size;
+ if (n < 0) { return i }
+ }
+}
+
+function updateSelection(cm) {
+ cm.display.input.showSelection(cm.display.input.prepareSelection());
+}
+
+function prepareSelection(cm, primary) {
+ if ( primary === void 0 ) primary = true;
+
+ var doc = cm.doc, result = {};
+ var curFragment = result.cursors = document.createDocumentFragment();
+ var selFragment = result.selection = document.createDocumentFragment();
+
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ if (!primary && i == doc.sel.primIndex) { continue }
+ var range$$1 = doc.sel.ranges[i];
+ if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }
+ var collapsed = range$$1.empty();
+ if (collapsed || cm.options.showCursorWhenSelecting)
+ { drawSelectionCursor(cm, range$$1.head, curFragment); }
+ if (!collapsed)
+ { drawSelectionRange(cm, range$$1, selFragment); }
+ }
+ return result
+}
+
+// Draws a cursor for the given range
+function drawSelectionCursor(cm, head, output) {
+ var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
+
+ var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
+ cursor.style.left = pos.left + "px";
+ cursor.style.top = pos.top + "px";
+ cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+
+ if (pos.other) {
+ // Secondary cursor, shown when on a 'jump' in bi-directional text
+ var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
+ otherCursor.style.display = "";
+ otherCursor.style.left = pos.other.left + "px";
+ otherCursor.style.top = pos.other.top + "px";
+ otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
+ }
+}
+
+function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
+
+// Draws the given range as a highlighted selection
+function drawSelectionRange(cm, range$$1, output) {
+ var display = cm.display, doc = cm.doc;
+ var fragment = document.createDocumentFragment();
+ var padding = paddingH(cm.display), leftSide = padding.left;
+ var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
+ var docLTR = doc.direction == "ltr";
+
+ function add(left, top, width, bottom) {
+ if (top < 0) { top = 0; }
+ top = Math.round(top);
+ bottom = Math.round(bottom);
+ fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")));
+ }
+
+ function drawForLine(line, fromArg, toArg) {
+ var lineObj = getLine(doc, line);
+ var lineLen = lineObj.text.length;
+ var start, end;
+ function coords(ch, bias) {
+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
+ }
+
+ function wrapX(pos, dir, side) {
+ var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
+ var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
+ var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
+ return coords(ch, prop)[prop]
+ }
+
+ var order = getOrder(lineObj, doc.direction);
+ iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
+ var ltr = dir == "ltr";
+ var fromPos = coords(from, ltr ? "left" : "right");
+ var toPos = coords(to - 1, ltr ? "right" : "left");
+
+ var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
+ var first = i == 0, last = !order || i == order.length - 1;
+ if (toPos.top - fromPos.top <= 3) { // Single line
+ var openLeft = (docLTR ? openStart : openEnd) && first;
+ var openRight = (docLTR ? openEnd : openStart) && last;
+ var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
+ var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
+ add(left, fromPos.top, right - left, fromPos.bottom);
+ } else { // Multiple lines
+ var topLeft, topRight, botLeft, botRight;
+ if (ltr) {
+ topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
+ topRight = docLTR ? rightSide : wrapX(from, dir, "before");
+ botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
+ botRight = docLTR && openEnd && last ? rightSide : toPos.right;
+ } else {
+ topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
+ topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
+ botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
+ botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
+ }
+ add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
+ if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
+ add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
+ }
+
+ if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
+ if (cmpCoords(toPos, start) < 0) { start = toPos; }
+ if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
+ if (cmpCoords(toPos, end) < 0) { end = toPos; }
+ });
+ return {start: start, end: end}
+ }
+
+ var sFrom = range$$1.from(), sTo = range$$1.to();
+ if (sFrom.line == sTo.line) {
+ drawForLine(sFrom.line, sFrom.ch, sTo.ch);
+ } else {
+ var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
+ var singleVLine = visualLine(fromLine) == visualLine(toLine);
+ var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
+ var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
+ if (singleVLine) {
+ if (leftEnd.top < rightStart.top - 2) {
+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
+ add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
+ } else {
+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+ }
+ }
+ if (leftEnd.bottom < rightStart.top)
+ { add(leftSide, leftEnd.bottom, null, rightStart.top); }
+ }
+
+ output.appendChild(fragment);
+}
+
+// Cursor-blinking
+function restartBlink(cm) {
+ if (!cm.state.focused) { return }
+ var display = cm.display;
+ clearInterval(display.blinker);
+ var on = true;
+ display.cursorDiv.style.visibility = "";
+ if (cm.options.cursorBlinkRate > 0)
+ { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
+ cm.options.cursorBlinkRate); }
+ else if (cm.options.cursorBlinkRate < 0)
+ { display.cursorDiv.style.visibility = "hidden"; }
+}
+
+function ensureFocus(cm) {
+ if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
+}
+
+function delayBlurEvent(cm) {
+ cm.state.delayingBlurEvent = true;
+ setTimeout(function () { if (cm.state.delayingBlurEvent) {
+ cm.state.delayingBlurEvent = false;
+ onBlur(cm);
+ } }, 100);
+}
+
+function onFocus(cm, e) {
+ if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }
+
+ if (cm.options.readOnly == "nocursor") { return }
+ if (!cm.state.focused) {
+ signal(cm, "focus", cm, e);
+ cm.state.focused = true;
+ addClass(cm.display.wrapper, "CodeMirror-focused");
+ // This test prevents this from firing when a context
+ // menu is closed (since the input reset would kill the
+ // select-all detection hack)
+ if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
+ cm.display.input.reset();
+ if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
+ }
+ cm.display.input.receivedFocus();
+ }
+ restartBlink(cm);
+}
+function onBlur(cm, e) {
+ if (cm.state.delayingBlurEvent) { return }
+
+ if (cm.state.focused) {
+ signal(cm, "blur", cm, e);
+ cm.state.focused = false;
+ rmClass(cm.display.wrapper, "CodeMirror-focused");
+ }
+ clearInterval(cm.display.blinker);
+ setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
+}
+
+// Read the actual heights of the rendered lines, and update their
+// stored heights to match.
+function updateHeightsInViewport(cm) {
+ var display = cm.display;
+ var prevBottom = display.lineDiv.offsetTop;
+ for (var i = 0; i < display.view.length; i++) {
+ var cur = display.view[i], height = (void 0);
+ if (cur.hidden) { continue }
+ if (ie && ie_version < 8) {
+ var bot = cur.node.offsetTop + cur.node.offsetHeight;
+ height = bot - prevBottom;
+ prevBottom = bot;
+ } else {
+ var box = cur.node.getBoundingClientRect();
+ height = box.bottom - box.top;
+ }
+ var diff = cur.line.height - height;
+ if (height < 2) { height = textHeight(display); }
+ if (diff > .005 || diff < -.005) {
+ updateLineHeight(cur.line, height);
+ updateWidgetHeight(cur.line);
+ if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
+ { updateWidgetHeight(cur.rest[j]); } }
+ }
+ }
+}
+
+// Read and store the height of line widgets associated with the
+// given line.
+function updateWidgetHeight(line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i)
+ { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } }
+}
+
+// Compute the lines that are visible in a given viewport (defaults
+// the the current scroll position). viewport may contain top,
+// height, and ensure (see op.scrollToPos) properties.
+function visibleLines(display, doc, viewport) {
+ var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
+ top = Math.floor(top - paddingTop(display));
+ var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
+
+ var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
+ // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
+ // forces those lines into the viewport (if possible).
+ if (viewport && viewport.ensure) {
+ var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
+ if (ensureFrom < from) {
+ from = ensureFrom;
+ to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
+ } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
+ from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
+ to = ensureTo;
+ }
+ }
+ return {from: from, to: Math.max(to, from + 1)}
+}
+
+// Re-align line numbers and gutter marks to compensate for
+// horizontal scrolling.
+function alignHorizontally(cm) {
+ var display = cm.display, view = display.view;
+ if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
+ var gutterW = display.gutters.offsetWidth, left = comp + "px";
+ for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
+ if (cm.options.fixedGutter) {
+ if (view[i].gutter)
+ { view[i].gutter.style.left = left; }
+ if (view[i].gutterBackground)
+ { view[i].gutterBackground.style.left = left; }
+ }
+ var align = view[i].alignable;
+ if (align) { for (var j = 0; j < align.length; j++)
+ { align[j].style.left = left; } }
+ } }
+ if (cm.options.fixedGutter)
+ { display.gutters.style.left = (comp + gutterW) + "px"; }
+}
+
+// Used to ensure that the line number gutter is still the right
+// size for the current document size. Returns true when an update
+// is needed.
+function maybeUpdateLineNumberWidth(cm) {
+ if (!cm.options.lineNumbers) { return false }
+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
+ if (last.length != display.lineNumChars) {
+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
+ "CodeMirror-linenumber CodeMirror-gutter-elt"));
+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+ display.lineGutter.style.width = "";
+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
+ display.lineNumWidth = display.lineNumInnerWidth + padding;
+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+ display.lineGutter.style.width = display.lineNumWidth + "px";
+ updateGutterSpace(cm);
+ return true
+ }
+ return false
+}
+
+// SCROLLING THINGS INTO VIEW
+
+// If an editor sits on the top or bottom of the window, partially
+// scrolled out of view, this ensures that the cursor is visible.
+function maybeScrollWindow(cm, rect) {
+ if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+
+ var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
+ if (rect.top + box.top < 0) { doScroll = true; }
+ else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
+ if (doScroll != null && !phantom) {
+ var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
+ cm.display.lineSpace.appendChild(scrollNode);
+ scrollNode.scrollIntoView(doScroll);
+ cm.display.lineSpace.removeChild(scrollNode);
+ }
+}
+
+// Scroll a given position into view (immediately), verifying that
+// it actually became visible (as line heights are accurately
+// measured, the position of something may 'drift' during drawing).
+function scrollPosIntoView(cm, pos, end, margin) {
+ if (margin == null) { margin = 0; }
+ var rect;
+ if (!cm.options.lineWrapping && pos == end) {
+ // Set pos and end to the cursor positions around the character pos sticks to
+ // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
+ // If pos == Pos(_, 0, "before"), pos and end are unchanged
+ pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
+ end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
+ }
+ for (var limit = 0; limit < 5; limit++) {
+ var changed = false;
+ var coords = cursorCoords(cm, pos);
+ var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
+ rect = {left: Math.min(coords.left, endCoords.left),
+ top: Math.min(coords.top, endCoords.top) - margin,
+ right: Math.max(coords.left, endCoords.left),
+ bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
+ var scrollPos = calculateScrollPos(cm, rect);
+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
+ if (scrollPos.scrollTop != null) {
+ updateScrollTop(cm, scrollPos.scrollTop);
+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
+ }
+ if (scrollPos.scrollLeft != null) {
+ setScrollLeft(cm, scrollPos.scrollLeft);
+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
+ }
+ if (!changed) { break }
+ }
+ return rect
+}
+
+// Scroll a given set of coordinates into view (immediately).
+function scrollIntoView(cm, rect) {
+ var scrollPos = calculateScrollPos(cm, rect);
+ if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
+ if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
+}
+
+// Calculate a new scroll position needed to scroll the given
+// rectangle into view. Returns an object with scrollTop and
+// scrollLeft properties. When these are undefined, the
+// vertical/horizontal position does not need to be adjusted.
+function calculateScrollPos(cm, rect) {
+ var display = cm.display, snapMargin = textHeight(cm.display);
+ if (rect.top < 0) { rect.top = 0; }
+ var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
+ var screen = displayHeight(cm), result = {};
+ if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
+ var docBottom = cm.doc.height + paddingVert(display);
+ var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
+ if (rect.top < screentop) {
+ result.scrollTop = atTop ? 0 : rect.top;
+ } else if (rect.bottom > screentop + screen) {
+ var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
+ if (newTop != screentop) { result.scrollTop = newTop; }
+ }
+
+ var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
+ var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
+ var tooWide = rect.right - rect.left > screenw;
+ if (tooWide) { rect.right = rect.left + screenw; }
+ if (rect.left < 10)
+ { result.scrollLeft = 0; }
+ else if (rect.left < screenleft)
+ { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }
+ else if (rect.right > screenw + screenleft - 3)
+ { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
+ return result
+}
+
+// Store a relative adjustment to the scroll position in the current
+// operation (to be applied when the operation finishes).
+function addToScrollTop(cm, top) {
+ if (top == null) { return }
+ resolveScrollToPos(cm);
+ cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
+}
+
+// Make sure that at the end of the operation the current cursor is
+// shown.
+function ensureCursorVisible(cm) {
+ resolveScrollToPos(cm);
+ var cur = cm.getCursor();
+ cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
+}
+
+function scrollToCoords(cm, x, y) {
+ if (x != null || y != null) { resolveScrollToPos(cm); }
+ if (x != null) { cm.curOp.scrollLeft = x; }
+ if (y != null) { cm.curOp.scrollTop = y; }
+}
+
+function scrollToRange(cm, range$$1) {
+ resolveScrollToPos(cm);
+ cm.curOp.scrollToPos = range$$1;
+}
+
+// When an operation has its scrollToPos property set, and another
+// scroll action is applied before the end of the operation, this
+// 'simulates' scrolling that position into view in a cheap way, so
+// that the effect of intermediate scroll commands is not ignored.
+function resolveScrollToPos(cm) {
+ var range$$1 = cm.curOp.scrollToPos;
+ if (range$$1) {
+ cm.curOp.scrollToPos = null;
+ var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);
+ scrollToCoordsRange(cm, from, to, range$$1.margin);
+ }
+}
+
+function scrollToCoordsRange(cm, from, to, margin) {
+ var sPos = calculateScrollPos(cm, {
+ left: Math.min(from.left, to.left),
+ top: Math.min(from.top, to.top) - margin,
+ right: Math.max(from.right, to.right),
+ bottom: Math.max(from.bottom, to.bottom) + margin
+ });
+ scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
+}
+
+// Sync the scrollable area and scrollbars, ensure the viewport
+// covers the visible area.
+function updateScrollTop(cm, val) {
+ if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
+ if (!gecko) { updateDisplaySimple(cm, {top: val}); }
+ setScrollTop(cm, val, true);
+ if (gecko) { updateDisplaySimple(cm); }
+ startWorker(cm, 100);
+}
+
+function setScrollTop(cm, val, forceScroll) {
+ val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);
+ if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
+ cm.doc.scrollTop = val;
+ cm.display.scrollbars.setScrollTop(val);
+ if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
+}
+
+// Sync scroller and scrollbar, ensure the gutter elements are
+// aligned.
+function setScrollLeft(cm, val, isScroller, forceScroll) {
+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
+ if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
+ cm.doc.scrollLeft = val;
+ alignHorizontally(cm);
+ if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
+ cm.display.scrollbars.setScrollLeft(val);
+}
+
+// SCROLLBARS
+
+// Prepare DOM reads needed to update the scrollbars. Done in one
+// shot to minimize update/measure roundtrips.
+function measureForScrollbars(cm) {
+ var d = cm.display, gutterW = d.gutters.offsetWidth;
+ var docH = Math.round(cm.doc.height + paddingVert(cm.display));
+ return {
+ clientHeight: d.scroller.clientHeight,
+ viewHeight: d.wrapper.clientHeight,
+ scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
+ viewWidth: d.wrapper.clientWidth,
+ barLeft: cm.options.fixedGutter ? gutterW : 0,
+ docHeight: docH,
+ scrollHeight: docH + scrollGap(cm) + d.barHeight,
+ nativeBarWidth: d.nativeBarWidth,
+ gutterWidth: gutterW
+ }
+}
+
+var NativeScrollbars = function(place, scroll, cm) {
+ this.cm = cm;
+ var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
+ var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
+ place(vert); place(horiz);
+
+ on(vert, "scroll", function () {
+ if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
+ });
+ on(horiz, "scroll", function () {
+ if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
+ });
+
+ this.checkedZeroWidth = false;
+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+ if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
+};
+
+NativeScrollbars.prototype.update = function (measure) {
+ var needsH = measure.scrollWidth > measure.clientWidth + 1;
+ var needsV = measure.scrollHeight > measure.clientHeight + 1;
+ var sWidth = measure.nativeBarWidth;
+
+ if (needsV) {
+ this.vert.style.display = "block";
+ this.vert.style.bottom = needsH ? sWidth + "px" : "0";
+ var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
+ // A bug in IE8 can cause this value to be negative, so guard it.
+ this.vert.firstChild.style.height =
+ Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
+ } else {
+ this.vert.style.display = "";
+ this.vert.firstChild.style.height = "0";
+ }
+
+ if (needsH) {
+ this.horiz.style.display = "block";
+ this.horiz.style.right = needsV ? sWidth + "px" : "0";
+ this.horiz.style.left = measure.barLeft + "px";
+ var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
+ this.horiz.firstChild.style.width =
+ Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
+ } else {
+ this.horiz.style.display = "";
+ this.horiz.firstChild.style.width = "0";
+ }
+
+ if (!this.checkedZeroWidth && measure.clientHeight > 0) {
+ if (sWidth == 0) { this.zeroWidthHack(); }
+ this.checkedZeroWidth = true;
+ }
+
+ return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
+};
+
+NativeScrollbars.prototype.setScrollLeft = function (pos) {
+ if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
+ if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
+};
+
+NativeScrollbars.prototype.setScrollTop = function (pos) {
+ if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
+ if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
+};
+
+NativeScrollbars.prototype.zeroWidthHack = function () {
+ var w = mac && !mac_geMountainLion ? "12px" : "18px";
+ this.horiz.style.height = this.vert.style.width = w;
+ this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
+ this.disableHoriz = new Delayed;
+ this.disableVert = new Delayed;
+};
+
+NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
+ bar.style.pointerEvents = "auto";
+ function maybeDisable() {
+ // To find out whether the scrollbar is still visible, we
+ // check whether the element under the pixel in the bottom
+ // right corner of the scrollbar box is the scrollbar box
+ // itself (when the bar is still visible) or its filler child
+ // (when the bar is hidden). If it is still visible, we keep
+ // it enabled, if it's hidden, we disable pointer events.
+ var box = bar.getBoundingClientRect();
+ var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
+ : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
+ if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }
+ else { delay.set(1000, maybeDisable); }
+ }
+ delay.set(1000, maybeDisable);
+};
+
+NativeScrollbars.prototype.clear = function () {
+ var parent = this.horiz.parentNode;
+ parent.removeChild(this.horiz);
+ parent.removeChild(this.vert);
+};
+
+var NullScrollbars = function () {};
+
+NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
+NullScrollbars.prototype.setScrollLeft = function () {};
+NullScrollbars.prototype.setScrollTop = function () {};
+NullScrollbars.prototype.clear = function () {};
+
+function updateScrollbars(cm, measure) {
+ if (!measure) { measure = measureForScrollbars(cm); }
+ var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
+ updateScrollbarsInner(cm, measure);
+ for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
+ if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
+ { updateHeightsInViewport(cm); }
+ updateScrollbarsInner(cm, measureForScrollbars(cm));
+ startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
+ }
+}
+
+// Re-synchronize the fake scrollbars with the actual size of the
+// content.
+function updateScrollbarsInner(cm, measure) {
+ var d = cm.display;
+ var sizes = d.scrollbars.update(measure);
+
+ d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
+ d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
+ d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
+
+ if (sizes.right && sizes.bottom) {
+ d.scrollbarFiller.style.display = "block";
+ d.scrollbarFiller.style.height = sizes.bottom + "px";
+ d.scrollbarFiller.style.width = sizes.right + "px";
+ } else { d.scrollbarFiller.style.display = ""; }
+ if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+ d.gutterFiller.style.display = "block";
+ d.gutterFiller.style.height = sizes.bottom + "px";
+ d.gutterFiller.style.width = measure.gutterWidth + "px";
+ } else { d.gutterFiller.style.display = ""; }
+}
+
+var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
+
+function initScrollbars(cm) {
+ if (cm.display.scrollbars) {
+ cm.display.scrollbars.clear();
+ if (cm.display.scrollbars.addClass)
+ { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+ }
+
+ cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
+ cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
+ // Prevent clicks in the scrollbars from killing focus
+ on(node, "mousedown", function () {
+ if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
+ });
+ node.setAttribute("cm-not-content", "true");
+ }, function (pos, axis) {
+ if (axis == "horizontal") { setScrollLeft(cm, pos); }
+ else { updateScrollTop(cm, pos); }
+ }, cm);
+ if (cm.display.scrollbars.addClass)
+ { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+}
+
+// Operations are used to wrap a series of changes to the editor
+// state in such a way that each change won't have to update the
+// cursor and display (which would be awkward, slow, and
+// error-prone). Instead, display updates are batched and then all
+// combined and executed at once.
+
+var nextOpId = 0;
+// Start a new operation.
+function startOperation(cm) {
+ cm.curOp = {
+ cm: cm,
+ viewChanged: false, // Flag that indicates that lines might need to be redrawn
+ startHeight: cm.doc.height, // Used to detect need to update scrollbar
+ forceUpdate: false, // Used to force a redraw
+ updateInput: null, // Whether to reset the input textarea
+ typing: false, // Whether this reset should be careful to leave existing text (for compositing)
+ changeObjs: null, // Accumulated changes, for firing change events
+ cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
+ cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
+ selectionChanged: false, // Whether the selection needs to be redrawn
+ updateMaxLine: false, // Set when the widest line needs to be determined anew
+ scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
+ scrollToPos: null, // Used to scroll to a specific position
+ focus: false,
+ id: ++nextOpId // Unique ID
+ };
+ pushOperation(cm.curOp);
+}
+
+// Finish an operation, updating the display and signalling delayed events
+function endOperation(cm) {
+ var op = cm.curOp;
+ finishOperation(op, function (group) {
+ for (var i = 0; i < group.ops.length; i++)
+ { group.ops[i].cm.curOp = null; }
+ endOperations(group);
+ });
+}
+
+// The DOM updates done when an operation finishes are batched so
+// that the minimum number of relayouts are required.
+function endOperations(group) {
+ var ops = group.ops;
+ for (var i = 0; i < ops.length; i++) // Read DOM
+ { endOperation_R1(ops[i]); }
+ for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
+ { endOperation_W1(ops[i$1]); }
+ for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
+ { endOperation_R2(ops[i$2]); }
+ for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
+ { endOperation_W2(ops[i$3]); }
+ for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
+ { endOperation_finish(ops[i$4]); }
+}
+
+function endOperation_R1(op) {
+ var cm = op.cm, display = cm.display;
+ maybeClipScrollbars(cm);
+ if (op.updateMaxLine) { findMaxLine(cm); }
+
+ op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
+ op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
+ op.scrollToPos.to.line >= display.viewTo) ||
+ display.maxLineChanged && cm.options.lineWrapping;
+ op.update = op.mustUpdate &&
+ new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
+}
+
+function endOperation_W1(op) {
+ op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
+}
+
+function endOperation_R2(op) {
+ var cm = op.cm, display = cm.display;
+ if (op.updatedDisplay) { updateHeightsInViewport(cm); }
+
+ op.barMeasure = measureForScrollbars(cm);
+
+ // If the max line changed since it was last measured, measure it,
+ // and ensure the document's width matches it.
+ // updateDisplay_W2 will use these properties to do the actual resizing
+ if (display.maxLineChanged && !cm.options.lineWrapping) {
+ op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
+ cm.display.sizerWidth = op.adjustWidthTo;
+ op.barMeasure.scrollWidth =
+ Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
+ op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
+ }
+
+ if (op.updatedDisplay || op.selectionChanged)
+ { op.preparedSelection = display.input.prepareSelection(); }
+}
+
+function endOperation_W2(op) {
+ var cm = op.cm;
+
+ if (op.adjustWidthTo != null) {
+ cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
+ if (op.maxScrollLeft < cm.doc.scrollLeft)
+ { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
+ cm.display.maxLineChanged = false;
+ }
+
+ var takeFocus = op.focus && op.focus == activeElt();
+ if (op.preparedSelection)
+ { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
+ if (op.updatedDisplay || op.startHeight != cm.doc.height)
+ { updateScrollbars(cm, op.barMeasure); }
+ if (op.updatedDisplay)
+ { setDocumentHeight(cm, op.barMeasure); }
+
+ if (op.selectionChanged) { restartBlink(cm); }
+
+ if (cm.state.focused && op.updateInput)
+ { cm.display.input.reset(op.typing); }
+ if (takeFocus) { ensureFocus(op.cm); }
+}
+
+function endOperation_finish(op) {
+ var cm = op.cm, display = cm.display, doc = cm.doc;
+
+ if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }
+
+ // Abort mouse wheel delta measurement, when scrolling explicitly
+ if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
+ { display.wheelStartX = display.wheelStartY = null; }
+
+ // Propagate the scroll position to the actual DOM scroller
+ if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }
+
+ if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
+ // If we need to scroll a specific position into view, do so.
+ if (op.scrollToPos) {
+ var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
+ clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
+ maybeScrollWindow(cm, rect);
+ }
+
+ // Fire events for markers that are hidden/unidden by editing or
+ // undoing
+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
+ if (hidden) { for (var i = 0; i < hidden.length; ++i)
+ { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
+ if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
+ { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }
+
+ if (display.wrapper.offsetHeight)
+ { doc.scrollTop = cm.display.scroller.scrollTop; }
+
+ // Fire change events, and delayed event handlers
+ if (op.changeObjs)
+ { signal(cm, "changes", cm, op.changeObjs); }
+ if (op.update)
+ { op.update.finish(); }
+}
+
+// Run the given function in an operation
+function runInOp(cm, f) {
+ if (cm.curOp) { return f() }
+ startOperation(cm);
+ try { return f() }
+ finally { endOperation(cm); }
+}
+// Wraps a function in an operation. Returns the wrapped function.
+function operation(cm, f) {
+ return function() {
+ if (cm.curOp) { return f.apply(cm, arguments) }
+ startOperation(cm);
+ try { return f.apply(cm, arguments) }
+ finally { endOperation(cm); }
+ }
+}
+// Used to add methods to editor and doc instances, wrapping them in
+// operations.
+function methodOp(f) {
+ return function() {
+ if (this.curOp) { return f.apply(this, arguments) }
+ startOperation(this);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(this); }
+ }
+}
+function docMethodOp(f) {
+ return function() {
+ var cm = this.cm;
+ if (!cm || cm.curOp) { return f.apply(this, arguments) }
+ startOperation(cm);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(cm); }
+ }
+}
+
+// Updates the display.view data structure for a given change to the
+// document. From and to are in pre-change coordinates. Lendiff is
+// the amount of lines added or subtracted by the change. This is
+// used for changes that span multiple lines, or change the way
+// lines are divided into visual lines. regLineChange (below)
+// registers single-line changes.
+function regChange(cm, from, to, lendiff) {
+ if (from == null) { from = cm.doc.first; }
+ if (to == null) { to = cm.doc.first + cm.doc.size; }
+ if (!lendiff) { lendiff = 0; }
+
+ var display = cm.display;
+ if (lendiff && to < display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers > from))
+ { display.updateLineNumbers = from; }
+
+ cm.curOp.viewChanged = true;
+
+ if (from >= display.viewTo) { // Change after
+ if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
+ { resetView(cm); }
+ } else if (to <= display.viewFrom) { // Change before
+ if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
+ resetView(cm);
+ } else {
+ display.viewFrom += lendiff;
+ display.viewTo += lendiff;
+ }
+ } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
+ resetView(cm);
+ } else if (from <= display.viewFrom) { // Top overlap
+ var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cut) {
+ display.view = display.view.slice(cut.index);
+ display.viewFrom = cut.lineN;
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ } else if (to >= display.viewTo) { // Bottom overlap
+ var cut$1 = viewCuttingPoint(cm, from, from, -1);
+ if (cut$1) {
+ display.view = display.view.slice(0, cut$1.index);
+ display.viewTo = cut$1.lineN;
+ } else {
+ resetView(cm);
+ }
+ } else { // Gap in the middle
+ var cutTop = viewCuttingPoint(cm, from, from, -1);
+ var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cutTop && cutBot) {
+ display.view = display.view.slice(0, cutTop.index)
+ .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
+ .concat(display.view.slice(cutBot.index));
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ }
+
+ var ext = display.externalMeasured;
+ if (ext) {
+ if (to < ext.lineN)
+ { ext.lineN += lendiff; }
+ else if (from < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+ }
+}
+
+// Register a change to a single line. Type must be one of "text",
+// "gutter", "class", "widget"
+function regLineChange(cm, line, type) {
+ cm.curOp.viewChanged = true;
+ var display = cm.display, ext = cm.display.externalMeasured;
+ if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+
+ if (line < display.viewFrom || line >= display.viewTo) { return }
+ var lineView = display.view[findViewIndex(cm, line)];
+ if (lineView.node == null) { return }
+ var arr = lineView.changes || (lineView.changes = []);
+ if (indexOf(arr, type) == -1) { arr.push(type); }
+}
+
+// Clear the view.
+function resetView(cm) {
+ cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
+ cm.display.view = [];
+ cm.display.viewOffset = 0;
+}
+
+function viewCuttingPoint(cm, oldN, newN, dir) {
+ var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
+ if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
+ { return {index: index, lineN: newN} }
+ var n = cm.display.viewFrom;
+ for (var i = 0; i < index; i++)
+ { n += view[i].size; }
+ if (n != oldN) {
+ if (dir > 0) {
+ if (index == view.length - 1) { return null }
+ diff = (n + view[index].size) - oldN;
+ index++;
+ } else {
+ diff = n - oldN;
+ }
+ oldN += diff; newN += diff;
+ }
+ while (visualLineNo(cm.doc, newN) != newN) {
+ if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
+ newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
+ index += dir;
+ }
+ return {index: index, lineN: newN}
+}
+
+// Force the view to cover a given range, adding empty view element
+// or clipping off existing ones as needed.
+function adjustView(cm, from, to) {
+ var display = cm.display, view = display.view;
+ if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
+ display.view = buildViewArray(cm, from, to);
+ display.viewFrom = from;
+ } else {
+ if (display.viewFrom > from)
+ { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
+ else if (display.viewFrom < from)
+ { display.view = display.view.slice(findViewIndex(cm, from)); }
+ display.viewFrom = from;
+ if (display.viewTo < to)
+ { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
+ else if (display.viewTo > to)
+ { display.view = display.view.slice(0, findViewIndex(cm, to)); }
+ }
+ display.viewTo = to;
+}
+
+// Count the number of lines in the view whose DOM representation is
+// out of date (or nonexistent).
+function countDirtyView(cm) {
+ var view = cm.display.view, dirty = 0;
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
+ }
+ return dirty
+}
+
+// HIGHLIGHT WORKER
+
+function startWorker(cm, time) {
+ if (cm.doc.highlightFrontier < cm.display.viewTo)
+ { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
+}
+
+function highlightWorker(cm) {
+ var doc = cm.doc;
+ if (doc.highlightFrontier >= cm.display.viewTo) { return }
+ var end = +new Date + cm.options.workTime;
+ var context = getContextBefore(cm, doc.highlightFrontier);
+ var changedLines = [];
+
+ doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
+ if (context.line >= cm.display.viewFrom) { // Visible
+ var oldStyles = line.styles;
+ var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
+ var highlighted = highlightLine(cm, line, context, true);
+ if (resetState) { context.state = resetState; }
+ line.styles = highlighted.styles;
+ var oldCls = line.styleClasses, newCls = highlighted.classes;
+ if (newCls) { line.styleClasses = newCls; }
+ else if (oldCls) { line.styleClasses = null; }
+ var ischange = !oldStyles || oldStyles.length != line.styles.length ||
+ oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
+ for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
+ if (ischange) { changedLines.push(context.line); }
+ line.stateAfter = context.save();
+ context.nextLine();
+ } else {
+ if (line.text.length <= cm.options.maxHighlightLength)
+ { processLine(cm, line.text, context); }
+ line.stateAfter = context.line % 5 == 0 ? context.save() : null;
+ context.nextLine();
+ }
+ if (+new Date > end) {
+ startWorker(cm, cm.options.workDelay);
+ return true
+ }
+ });
+ doc.highlightFrontier = context.line;
+ doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
+ if (changedLines.length) { runInOp(cm, function () {
+ for (var i = 0; i < changedLines.length; i++)
+ { regLineChange(cm, changedLines[i], "text"); }
+ }); }
+}
+
+// DISPLAY DRAWING
+
+var DisplayUpdate = function(cm, viewport, force) {
+ var display = cm.display;
+
+ this.viewport = viewport;
+ // Store some values that we'll need later (but don't want to force a relayout for)
+ this.visible = visibleLines(display, cm.doc, viewport);
+ this.editorIsHidden = !display.wrapper.offsetWidth;
+ this.wrapperHeight = display.wrapper.clientHeight;
+ this.wrapperWidth = display.wrapper.clientWidth;
+ this.oldDisplayWidth = displayWidth(cm);
+ this.force = force;
+ this.dims = getDimensions(cm);
+ this.events = [];
+};
+
+DisplayUpdate.prototype.signal = function (emitter, type) {
+ if (hasHandler(emitter, type))
+ { this.events.push(arguments); }
+};
+DisplayUpdate.prototype.finish = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.events.length; i++)
+ { signal.apply(null, this$1.events[i]); }
+};
+
+function maybeClipScrollbars(cm) {
+ var display = cm.display;
+ if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
+ display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
+ display.heightForcer.style.height = scrollGap(cm) + "px";
+ display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
+ display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
+ display.scrollbarsClipped = true;
+ }
+}
+
+function selectionSnapshot(cm) {
+ if (cm.hasFocus()) { return null }
+ var active = activeElt();
+ if (!active || !contains(cm.display.lineDiv, active)) { return null }
+ var result = {activeElt: active};
+ if (window.getSelection) {
+ var sel = window.getSelection();
+ if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
+ result.anchorNode = sel.anchorNode;
+ result.anchorOffset = sel.anchorOffset;
+ result.focusNode = sel.focusNode;
+ result.focusOffset = sel.focusOffset;
+ }
+ }
+ return result
+}
+
+function restoreSelection(snapshot) {
+ if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
+ snapshot.activeElt.focus();
+ if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
+ var sel = window.getSelection(), range$$1 = document.createRange();
+ range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
+ range$$1.collapse(false);
+ sel.removeAllRanges();
+ sel.addRange(range$$1);
+ sel.extend(snapshot.focusNode, snapshot.focusOffset);
+ }
+}
+
+// Does the actual updating of the line display. Bails out
+// (returning false) when there is nothing to be done and forced is
+// false.
+function updateDisplayIfNeeded(cm, update) {
+ var display = cm.display, doc = cm.doc;
+
+ if (update.editorIsHidden) {
+ resetView(cm);
+ return false
+ }
+
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (!update.force &&
+ update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
+ display.renderedView == display.view && countDirtyView(cm) == 0)
+ { return false }
+
+ if (maybeUpdateLineNumberWidth(cm)) {
+ resetView(cm);
+ update.dims = getDimensions(cm);
+ }
+
+ // Compute a suitable new viewport (from & to)
+ var end = doc.first + doc.size;
+ var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
+ var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
+ if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
+ if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
+ if (sawCollapsedSpans) {
+ from = visualLineNo(cm.doc, from);
+ to = visualLineEndNo(cm.doc, to);
+ }
+
+ var different = from != display.viewFrom || to != display.viewTo ||
+ display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
+ adjustView(cm, from, to);
+
+ display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
+ // Position the mover div to align with the current scroll position
+ cm.display.mover.style.top = display.viewOffset + "px";
+
+ var toUpdate = countDirtyView(cm);
+ if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
+ { return false }
+
+ // For big changes, we hide the enclosing element during the
+ // update, since that speeds up the operations on most browsers.
+ var selSnapshot = selectionSnapshot(cm);
+ if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
+ patchDisplay(cm, display.updateLineNumbers, update.dims);
+ if (toUpdate > 4) { display.lineDiv.style.display = ""; }
+ display.renderedView = display.view;
+ // There might have been a widget with a focused element that got
+ // hidden or updated, if so re-focus it.
+ restoreSelection(selSnapshot);
+
+ // Prevent selection and cursors from interfering with the scroll
+ // width and height.
+ removeChildren(display.cursorDiv);
+ removeChildren(display.selectionDiv);
+ display.gutters.style.height = display.sizer.style.minHeight = 0;
+
+ if (different) {
+ display.lastWrapHeight = update.wrapperHeight;
+ display.lastWrapWidth = update.wrapperWidth;
+ startWorker(cm, 400);
+ }
+
+ display.updateLineNumbers = null;
+
+ return true
+}
+
+function postUpdateDisplay(cm, update) {
+ var viewport = update.viewport;
+
+ for (var first = true;; first = false) {
+ if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
+ // Clip forced viewport to actual scrollable area.
+ if (viewport && viewport.top != null)
+ { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
+ // Updated line heights might result in the drawn area not
+ // actually covering the viewport. Keep looping until it does.
+ update.visible = visibleLines(cm.display, cm.doc, viewport);
+ if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
+ { break }
+ }
+ if (!updateDisplayIfNeeded(cm, update)) { break }
+ updateHeightsInViewport(cm);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.force = false;
+ }
+
+ update.signal(cm, "update", cm);
+ if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
+ update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
+ cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
+ }
+}
+
+function updateDisplaySimple(cm, viewport) {
+ var update = new DisplayUpdate(cm, viewport);
+ if (updateDisplayIfNeeded(cm, update)) {
+ updateHeightsInViewport(cm);
+ postUpdateDisplay(cm, update);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.finish();
+ }
+}
+
+// Sync the actual display DOM structure with display.view, removing
+// nodes for lines that are no longer in view, and creating the ones
+// that are not there yet, and updating the ones that are out of
+// date.
+function patchDisplay(cm, updateNumbersFrom, dims) {
+ var display = cm.display, lineNumbers = cm.options.lineNumbers;
+ var container = display.lineDiv, cur = container.firstChild;
+
+ function rm(node) {
+ var next = node.nextSibling;
+ // Works around a throw-scroll bug in OS X Webkit
+ if (webkit && mac && cm.display.currentWheelTarget == node)
+ { node.style.display = "none"; }
+ else
+ { node.parentNode.removeChild(node); }
+ return next
+ }
+
+ var view = display.view, lineN = display.viewFrom;
+ // Loop over the elements in the view, syncing cur (the DOM nodes
+ // in display.lineDiv) with the view as we go.
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (lineView.hidden) {
+ } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
+ var node = buildLineElement(cm, lineView, lineN, dims);
+ container.insertBefore(node, cur);
+ } else { // Already drawn
+ while (cur != lineView.node) { cur = rm(cur); }
+ var updateNumber = lineNumbers && updateNumbersFrom != null &&
+ updateNumbersFrom <= lineN && lineView.lineNumber;
+ if (lineView.changes) {
+ if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
+ updateLineForChanges(cm, lineView, lineN, dims);
+ }
+ if (updateNumber) {
+ removeChildren(lineView.lineNumber);
+ lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
+ }
+ cur = lineView.node.nextSibling;
+ }
+ lineN += lineView.size;
+ }
+ while (cur) { cur = rm(cur); }
+}
+
+function updateGutterSpace(cm) {
+ var width = cm.display.gutters.offsetWidth;
+ cm.display.sizer.style.marginLeft = width + "px";
+}
+
+function setDocumentHeight(cm, measure) {
+ cm.display.sizer.style.minHeight = measure.docHeight + "px";
+ cm.display.heightForcer.style.top = measure.docHeight + "px";
+ cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
+}
+
+// Rebuild the gutter elements, ensure the margin to the left of the
+// code matches their width.
+function updateGutters(cm) {
+ var gutters = cm.display.gutters, specs = cm.options.gutters;
+ removeChildren(gutters);
+ var i = 0;
+ for (; i < specs.length; ++i) {
+ var gutterClass = specs[i];
+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
+ if (gutterClass == "CodeMirror-linenumbers") {
+ cm.display.lineGutter = gElt;
+ gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
+ }
+ }
+ gutters.style.display = i ? "" : "none";
+ updateGutterSpace(cm);
+}
+
+// Make sure the gutters options contains the element
+// "CodeMirror-linenumbers" when the lineNumbers option is true.
+function setGuttersForLineNumbers(options) {
+ var found = indexOf(options.gutters, "CodeMirror-linenumbers");
+ if (found == -1 && options.lineNumbers) {
+ options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
+ } else if (found > -1 && !options.lineNumbers) {
+ options.gutters = options.gutters.slice(0);
+ options.gutters.splice(found, 1);
+ }
+}
+
+// Since the delta values reported on mouse wheel events are
+// unstandardized between browsers and even browser versions, and
+// generally horribly unpredictable, this code starts by measuring
+// the scroll effect that the first few mouse wheel events have,
+// and, from that, detects the way it can convert deltas to pixel
+// offsets afterwards.
+//
+// The reason we want to know the amount a wheel event will scroll
+// is that it gives us a chance to update the display before the
+// actual scrolling happens, reducing flickering.
+
+var wheelSamples = 0;
+var wheelPixelsPerUnit = null;
+// Fill in a browser-detected starting value on browsers where we
+// know one. These don't have to be accurate -- the result of them
+// being wrong would just be a slight flicker on the first wheel
+// scroll (if it is large enough).
+if (ie) { wheelPixelsPerUnit = -.53; }
+else if (gecko) { wheelPixelsPerUnit = 15; }
+else if (chrome) { wheelPixelsPerUnit = -.7; }
+else if (safari) { wheelPixelsPerUnit = -1/3; }
+
+function wheelEventDelta(e) {
+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
+ else if (dy == null) { dy = e.wheelDelta; }
+ return {x: dx, y: dy}
+}
+function wheelEventPixels(e) {
+ var delta = wheelEventDelta(e);
+ delta.x *= wheelPixelsPerUnit;
+ delta.y *= wheelPixelsPerUnit;
+ return delta
+}
+
+function onScrollWheel(cm, e) {
+ var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
+
+ var display = cm.display, scroll = display.scroller;
+ // Quit if there's nothing to scroll here
+ var canScrollX = scroll.scrollWidth > scroll.clientWidth;
+ var canScrollY = scroll.scrollHeight > scroll.clientHeight;
+ if (!(dx && canScrollX || dy && canScrollY)) { return }
+
+ // Webkit browsers on OS X abort momentum scrolls when the target
+ // of the scroll event is removed from the scrollable element.
+ // This hack (see related code in patchDisplay) makes sure the
+ // element is kept around.
+ if (dy && mac && webkit) {
+ outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
+ for (var i = 0; i < view.length; i++) {
+ if (view[i].node == cur) {
+ cm.display.currentWheelTarget = cur;
+ break outer
+ }
+ }
+ }
+ }
+
+ // On some browsers, horizontal scrolling will cause redraws to
+ // happen before the gutter has been realigned, causing it to
+ // wriggle around in a most unseemly way. When we have an
+ // estimated pixels/delta value, we just handle horizontal
+ // scrolling entirely here. It'll be slightly off from native, but
+ // better than glitching out.
+ if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
+ if (dy && canScrollY)
+ { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
+ setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
+ // Only prevent default scrolling if vertical scrolling is
+ // actually possible. Otherwise, it causes vertical scroll
+ // jitter on OSX trackpads when deltaX is small and deltaY
+ // is large (issue #3579)
+ if (!dy || (dy && canScrollY))
+ { e_preventDefault(e); }
+ display.wheelStartX = null; // Abort measurement, if in progress
+ return
+ }
+
+ // 'Project' the visible viewport to cover the area that is being
+ // scrolled into view (if we know enough to estimate it).
+ if (dy && wheelPixelsPerUnit != null) {
+ var pixels = dy * wheelPixelsPerUnit;
+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
+ if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
+ else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
+ updateDisplaySimple(cm, {top: top, bottom: bot});
+ }
+
+ if (wheelSamples < 20) {
+ if (display.wheelStartX == null) {
+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
+ display.wheelDX = dx; display.wheelDY = dy;
+ setTimeout(function () {
+ if (display.wheelStartX == null) { return }
+ var movedX = scroll.scrollLeft - display.wheelStartX;
+ var movedY = scroll.scrollTop - display.wheelStartY;
+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
+ (movedX && display.wheelDX && movedX / display.wheelDX);
+ display.wheelStartX = display.wheelStartY = null;
+ if (!sample) { return }
+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
+ ++wheelSamples;
+ }, 200);
+ } else {
+ display.wheelDX += dx; display.wheelDY += dy;
+ }
+ }
+}
+
+// Selection objects are immutable. A new one is created every time
+// the selection changes. A selection is one or more non-overlapping
+// (and non-touching) ranges, sorted, and an integer that indicates
+// which one is the primary selection (the one that's scrolled into
+// view, that getCursor returns, etc).
+var Selection = function(ranges, primIndex) {
+ this.ranges = ranges;
+ this.primIndex = primIndex;
+};
+
+Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
+
+Selection.prototype.equals = function (other) {
+ var this$1 = this;
+
+ if (other == this) { return true }
+ if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var here = this$1.ranges[i], there = other.ranges[i];
+ if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+ }
+ return true
+};
+
+Selection.prototype.deepCopy = function () {
+ var this$1 = this;
+
+ var out = [];
+ for (var i = 0; i < this.ranges.length; i++)
+ { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }
+ return new Selection(out, this.primIndex)
+};
+
+Selection.prototype.somethingSelected = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.ranges.length; i++)
+ { if (!this$1.ranges[i].empty()) { return true } }
+ return false
+};
+
+Selection.prototype.contains = function (pos, end) {
+ var this$1 = this;
+
+ if (!end) { end = pos; }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var range = this$1.ranges[i];
+ if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
+ { return i }
+ }
+ return -1
+};
+
+var Range = function(anchor, head) {
+ this.anchor = anchor; this.head = head;
+};
+
+Range.prototype.from = function () { return minPos(this.anchor, this.head) };
+Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
+Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
+
+// Take an unsorted, potentially overlapping set of ranges, and
+// build a selection out of it. 'Consumes' ranges array (modifying
+// it).
+function normalizeSelection(ranges, primIndex) {
+ var prim = ranges[primIndex];
+ ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
+ primIndex = indexOf(ranges, prim);
+ for (var i = 1; i < ranges.length; i++) {
+ var cur = ranges[i], prev = ranges[i - 1];
+ if (cmp(prev.to(), cur.from()) >= 0) {
+ var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
+ var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
+ if (i <= primIndex) { --primIndex; }
+ ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
+ }
+ }
+ return new Selection(ranges, primIndex)
+}
+
+function simpleSelection(anchor, head) {
+ return new Selection([new Range(anchor, head || anchor)], 0)
+}
+
+// Compute the position of the end of a change (its 'to' property
+// refers to the pre-change end).
+function changeEnd(change) {
+ if (!change.text) { return change.to }
+ return Pos(change.from.line + change.text.length - 1,
+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
+}
+
+// Adjust a position to refer to the post-change position of the
+// same text, or the end of the change if the change covers it.
+function adjustForChange(pos, change) {
+ if (cmp(pos, change.from) < 0) { return pos }
+ if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
+
+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
+ if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
+ return Pos(line, ch)
+}
+
+function computeSelAfterChange(doc, change) {
+ var out = [];
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ var range = doc.sel.ranges[i];
+ out.push(new Range(adjustForChange(range.anchor, change),
+ adjustForChange(range.head, change)));
+ }
+ return normalizeSelection(out, doc.sel.primIndex)
+}
+
+function offsetPos(pos, old, nw) {
+ if (pos.line == old.line)
+ { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
+ else
+ { return Pos(nw.line + (pos.line - old.line), pos.ch) }
+}
+
+// Used by replaceSelections to allow moving the selection to the
+// start or around the replaced test. Hint may be "start" or "around".
+function computeReplacedSel(doc, changes, hint) {
+ var out = [];
+ var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
+ for (var i = 0; i < changes.length; i++) {
+ var change = changes[i];
+ var from = offsetPos(change.from, oldPrev, newPrev);
+ var to = offsetPos(changeEnd(change), oldPrev, newPrev);
+ oldPrev = change.to;
+ newPrev = to;
+ if (hint == "around") {
+ var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
+ out[i] = new Range(inv ? to : from, inv ? from : to);
+ } else {
+ out[i] = new Range(from, from);
+ }
+ }
+ return new Selection(out, doc.sel.primIndex)
+}
+
+// Used to get the editor into a consistent state again when options change.
+
+function loadMode(cm) {
+ cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
+ resetModeState(cm);
+}
+
+function resetModeState(cm) {
+ cm.doc.iter(function (line) {
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ });
+ cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
+ startWorker(cm, 100);
+ cm.state.modeGen++;
+ if (cm.curOp) { regChange(cm); }
+}
+
+// DOCUMENT DATA STRUCTURE
+
+// By default, updates that start and end at the beginning of a line
+// are treated specially, in order to make the association of line
+// widgets and marker elements with the text behave more intuitive.
+function isWholeLineUpdate(doc, change) {
+ return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
+ (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
+}
+
+// Perform a change on the document data structure.
+function updateDoc(doc, change, markedSpans, estimateHeight$$1) {
+ function spansFor(n) {return markedSpans ? markedSpans[n] : null}
+ function update(line, text, spans) {
+ updateLine(line, text, spans, estimateHeight$$1);
+ signalLater(line, "change", line, change);
+ }
+ function linesFor(start, end) {
+ var result = [];
+ for (var i = start; i < end; ++i)
+ { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }
+ return result
+ }
+
+ var from = change.from, to = change.to, text = change.text;
+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
+
+ // Adjust the line structure
+ if (change.full) {
+ doc.insert(0, linesFor(0, text.length));
+ doc.remove(text.length, doc.size - text.length);
+ } else if (isWholeLineUpdate(doc, change)) {
+ // This is a whole-line replace. Treated specially to make
+ // sure line objects move the way they are supposed to.
+ var added = linesFor(0, text.length - 1);
+ update(lastLine, lastLine.text, lastSpans);
+ if (nlines) { doc.remove(from.line, nlines); }
+ if (added.length) { doc.insert(from.line, added); }
+ } else if (firstLine == lastLine) {
+ if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
+ } else {
+ var added$1 = linesFor(1, text.length - 1);
+ added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ doc.insert(from.line + 1, added$1);
+ }
+ } else if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
+ doc.remove(from.line + 1, nlines);
+ } else {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
+ var added$2 = linesFor(1, text.length - 1);
+ if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
+ doc.insert(from.line + 1, added$2);
+ }
+
+ signalLater(doc, "change", doc, change);
+}
+
+// Call f for all linked documents.
+function linkedDocs(doc, f, sharedHistOnly) {
+ function propagate(doc, skip, sharedHist) {
+ if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
+ var rel = doc.linked[i];
+ if (rel.doc == skip) { continue }
+ var shared = sharedHist && rel.sharedHist;
+ if (sharedHistOnly && !shared) { continue }
+ f(rel.doc, shared);
+ propagate(rel.doc, doc, shared);
+ } }
+ }
+ propagate(doc, null, true);
+}
+
+// Attach a document to an editor.
+function attachDoc(cm, doc) {
+ if (doc.cm) { throw new Error("This document is already in use.") }
+ cm.doc = doc;
+ doc.cm = cm;
+ estimateLineHeights(cm);
+ loadMode(cm);
+ setDirectionClass(cm);
+ if (!cm.options.lineWrapping) { findMaxLine(cm); }
+ cm.options.mode = doc.modeOption;
+ regChange(cm);
+}
+
+function setDirectionClass(cm) {
+ (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
+}
+
+function directionChanged(cm) {
+ runInOp(cm, function () {
+ setDirectionClass(cm);
+ regChange(cm);
+ });
+}
+
+function History(startGen) {
+ // Arrays of change events and selections. Doing something adds an
+ // event to done and clears undo. Undoing moves events from done
+ // to undone, redoing moves them in the other direction.
+ this.done = []; this.undone = [];
+ this.undoDepth = Infinity;
+ // Used to track when changes can be merged into a single undo
+ // event
+ this.lastModTime = this.lastSelTime = 0;
+ this.lastOp = this.lastSelOp = null;
+ this.lastOrigin = this.lastSelOrigin = null;
+ // Used by the isClean() method
+ this.generation = this.maxGeneration = startGen || 1;
+}
+
+// Create a history change event from an updateDoc-style change
+// object.
+function historyChangeFromChange(doc, change) {
+ var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
+ linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
+ return histChange
+}
+
+// Pop all selection events off the end of a history array. Stop at
+// a change event.
+function clearSelectionEvents(array) {
+ while (array.length) {
+ var last = lst(array);
+ if (last.ranges) { array.pop(); }
+ else { break }
+ }
+}
+
+// Find the top change event in the history. Pop off selection
+// events that are in the way.
+function lastChangeEvent(hist, force) {
+ if (force) {
+ clearSelectionEvents(hist.done);
+ return lst(hist.done)
+ } else if (hist.done.length && !lst(hist.done).ranges) {
+ return lst(hist.done)
+ } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
+ hist.done.pop();
+ return lst(hist.done)
+ }
+}
+
+// Register a change in the history. Merges changes that are within
+// a single operation, or are close together with an origin that
+// allows merging (starting with "+") into a single event.
+function addChangeToHistory(doc, change, selAfter, opId) {
+ var hist = doc.history;
+ hist.undone.length = 0;
+ var time = +new Date, cur;
+ var last;
+
+ if ((hist.lastOp == opId ||
+ hist.lastOrigin == change.origin && change.origin &&
+ ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
+ change.origin.charAt(0) == "*")) &&
+ (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
+ // Merge this change into the last event
+ last = lst(cur.changes);
+ if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
+ // Optimized case for simple insertion -- don't want to add
+ // new changesets for every character typed
+ last.to = changeEnd(change);
+ } else {
+ // Add new sub-event
+ cur.changes.push(historyChangeFromChange(doc, change));
+ }
+ } else {
+ // Can not be merged, start a new event.
+ var before = lst(hist.done);
+ if (!before || !before.ranges)
+ { pushSelectionToHistory(doc.sel, hist.done); }
+ cur = {changes: [historyChangeFromChange(doc, change)],
+ generation: hist.generation};
+ hist.done.push(cur);
+ while (hist.done.length > hist.undoDepth) {
+ hist.done.shift();
+ if (!hist.done[0].ranges) { hist.done.shift(); }
+ }
+ }
+ hist.done.push(selAfter);
+ hist.generation = ++hist.maxGeneration;
+ hist.lastModTime = hist.lastSelTime = time;
+ hist.lastOp = hist.lastSelOp = opId;
+ hist.lastOrigin = hist.lastSelOrigin = change.origin;
+
+ if (!last) { signal(doc, "historyAdded"); }
+}
+
+function selectionEventCanBeMerged(doc, origin, prev, sel) {
+ var ch = origin.charAt(0);
+ return ch == "*" ||
+ ch == "+" &&
+ prev.ranges.length == sel.ranges.length &&
+ prev.somethingSelected() == sel.somethingSelected() &&
+ new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
+}
+
+// Called whenever the selection changes, sets the new selection as
+// the pending selection in the history, and pushes the old pending
+// selection into the 'done' array when it was significantly
+// different (in number of selected ranges, emptiness, or time).
+function addSelectionToHistory(doc, sel, opId, options) {
+ var hist = doc.history, origin = options && options.origin;
+
+ // A new event is started when the previous origin does not match
+ // the current, or the origins don't allow matching. Origins
+ // starting with * are always merged, those starting with + are
+ // merged when similar and close together in time.
+ if (opId == hist.lastSelOp ||
+ (origin && hist.lastSelOrigin == origin &&
+ (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
+ selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
+ { hist.done[hist.done.length - 1] = sel; }
+ else
+ { pushSelectionToHistory(sel, hist.done); }
+
+ hist.lastSelTime = +new Date;
+ hist.lastSelOrigin = origin;
+ hist.lastSelOp = opId;
+ if (options && options.clearRedo !== false)
+ { clearSelectionEvents(hist.undone); }
+}
+
+function pushSelectionToHistory(sel, dest) {
+ var top = lst(dest);
+ if (!(top && top.ranges && top.equals(sel)))
+ { dest.push(sel); }
+}
+
+// Used to store marked span information in the history.
+function attachLocalSpans(doc, change, from, to) {
+ var existing = change["spans_" + doc.id], n = 0;
+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
+ if (line.markedSpans)
+ { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
+ ++n;
+ });
+}
+
+// When un/re-doing restores text containing marked spans, those
+// that have been explicitly cleared should not be restored.
+function removeClearedSpans(spans) {
+ if (!spans) { return null }
+ var out;
+ for (var i = 0; i < spans.length; ++i) {
+ if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
+ else if (out) { out.push(spans[i]); }
+ }
+ return !out ? spans : out.length ? out : null
+}
+
+// Retrieve and filter the old marked spans stored in a change event.
+function getOldSpans(doc, change) {
+ var found = change["spans_" + doc.id];
+ if (!found) { return null }
+ var nw = [];
+ for (var i = 0; i < change.text.length; ++i)
+ { nw.push(removeClearedSpans(found[i])); }
+ return nw
+}
+
+// Used for un/re-doing changes from the history. Combines the
+// result of computing the existing spans with the set of spans that
+// existed in the history (so that deleting around a span and then
+// undoing brings back the span).
+function mergeOldSpans(doc, change) {
+ var old = getOldSpans(doc, change);
+ var stretched = stretchSpansOverChange(doc, change);
+ if (!old) { return stretched }
+ if (!stretched) { return old }
+
+ for (var i = 0; i < old.length; ++i) {
+ var oldCur = old[i], stretchCur = stretched[i];
+ if (oldCur && stretchCur) {
+ spans: for (var j = 0; j < stretchCur.length; ++j) {
+ var span = stretchCur[j];
+ for (var k = 0; k < oldCur.length; ++k)
+ { if (oldCur[k].marker == span.marker) { continue spans } }
+ oldCur.push(span);
+ }
+ } else if (stretchCur) {
+ old[i] = stretchCur;
+ }
+ }
+ return old
+}
+
+// Used both to provide a JSON-safe object in .getHistory, and, when
+// detaching a document, to split the history in two
+function copyHistoryArray(events, newGroup, instantiateSel) {
+ var copy = [];
+ for (var i = 0; i < events.length; ++i) {
+ var event = events[i];
+ if (event.ranges) {
+ copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
+ continue
+ }
+ var changes = event.changes, newChanges = [];
+ copy.push({changes: newChanges});
+ for (var j = 0; j < changes.length; ++j) {
+ var change = changes[j], m = (void 0);
+ newChanges.push({from: change.from, to: change.to, text: change.text});
+ if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
+ if (indexOf(newGroup, Number(m[1])) > -1) {
+ lst(newChanges)[prop] = change[prop];
+ delete change[prop];
+ }
+ } } }
+ }
+ }
+ return copy
+}
+
+// The 'scroll' parameter given to many of these indicated whether
+// the new cursor position should be scrolled into view after
+// modifying the selection.
+
+// If shift is held or the extend flag is set, extends a range to
+// include a given position (and optionally a second position).
+// Otherwise, simply returns the range between the given positions.
+// Used for cursor motion and such.
+function extendRange(range, head, other, extend) {
+ if (extend) {
+ var anchor = range.anchor;
+ if (other) {
+ var posBefore = cmp(head, anchor) < 0;
+ if (posBefore != (cmp(other, anchor) < 0)) {
+ anchor = head;
+ head = other;
+ } else if (posBefore != (cmp(head, other) < 0)) {
+ head = other;
+ }
+ }
+ return new Range(anchor, head)
+ } else {
+ return new Range(other || head, head)
+ }
+}
+
+// Extend the primary selection range, discard the rest.
+function extendSelection(doc, head, other, options, extend) {
+ if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
+ setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
+}
+
+// Extend all selections (pos is an array of selections with length
+// equal the number of selections)
+function extendSelections(doc, heads, options) {
+ var out = [];
+ var extend = doc.cm && (doc.cm.display.shift || doc.extend);
+ for (var i = 0; i < doc.sel.ranges.length; i++)
+ { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
+ var newSel = normalizeSelection(out, doc.sel.primIndex);
+ setSelection(doc, newSel, options);
+}
+
+// Updates a single range in the selection.
+function replaceOneSelection(doc, i, range, options) {
+ var ranges = doc.sel.ranges.slice(0);
+ ranges[i] = range;
+ setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
+}
+
+// Reset the selection to a single range.
+function setSimpleSelection(doc, anchor, head, options) {
+ setSelection(doc, simpleSelection(anchor, head), options);
+}
+
+// Give beforeSelectionChange handlers a change to influence a
+// selection update.
+function filterSelectionChange(doc, sel, options) {
+ var obj = {
+ ranges: sel.ranges,
+ update: function(ranges) {
+ var this$1 = this;
+
+ this.ranges = [];
+ for (var i = 0; i < ranges.length; i++)
+ { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
+ clipPos(doc, ranges[i].head)); }
+ },
+ origin: options && options.origin
+ };
+ signal(doc, "beforeSelectionChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
+ if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }
+ else { return sel }
+}
+
+function setSelectionReplaceHistory(doc, sel, options) {
+ var done = doc.history.done, last = lst(done);
+ if (last && last.ranges) {
+ done[done.length - 1] = sel;
+ setSelectionNoUndo(doc, sel, options);
+ } else {
+ setSelection(doc, sel, options);
+ }
+}
+
+// Set a new selection.
+function setSelection(doc, sel, options) {
+ setSelectionNoUndo(doc, sel, options);
+ addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
+}
+
+function setSelectionNoUndo(doc, sel, options) {
+ if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
+ { sel = filterSelectionChange(doc, sel, options); }
+
+ var bias = options && options.bias ||
+ (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
+ setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
+
+ if (!(options && options.scroll === false) && doc.cm)
+ { ensureCursorVisible(doc.cm); }
+}
+
+function setSelectionInner(doc, sel) {
+ if (sel.equals(doc.sel)) { return }
+
+ doc.sel = sel;
+
+ if (doc.cm) {
+ doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
+ signalCursorActivity(doc.cm);
+ }
+ signalLater(doc, "cursorActivity", doc);
+}
+
+// Verify that the selection does not partially select any atomic
+// marked ranges.
+function reCheckSelection(doc) {
+ setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
+}
+
+// Return a selection that does not partially select any atomic
+// ranges.
+function skipAtomicInSelection(doc, sel, bias, mayClear) {
+ var out;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range = sel.ranges[i];
+ var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
+ var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
+ var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
+ if (out || newAnchor != range.anchor || newHead != range.head) {
+ if (!out) { out = sel.ranges.slice(0, i); }
+ out[i] = new Range(newAnchor, newHead);
+ }
+ }
+ return out ? normalizeSelection(out, sel.primIndex) : sel
+}
+
+function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
+ var line = getLine(doc, pos.line);
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var sp = line.markedSpans[i], m = sp.marker;
+ if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
+ (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
+ if (mayClear) {
+ signal(m, "beforeCursorEnter");
+ if (m.explicitlyCleared) {
+ if (!line.markedSpans) { break }
+ else {--i; continue}
+ }
+ }
+ if (!m.atomic) { continue }
+
+ if (oldPos) {
+ var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
+ if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
+ { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
+ if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
+ { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+ }
+
+ var far = m.find(dir < 0 ? -1 : 1);
+ if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
+ { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
+ return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
+ }
+ } }
+ return pos
+}
+
+// Ensure a given position is not inside an atomic range.
+function skipAtomic(doc, pos, oldPos, bias, mayClear) {
+ var dir = bias || 1;
+ var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
+ skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
+ if (!found) {
+ doc.cantEdit = true;
+ return Pos(doc.first, 0)
+ }
+ return found
+}
+
+function movePos(doc, pos, dir, line) {
+ if (dir < 0 && pos.ch == 0) {
+ if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
+ else { return null }
+ } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
+ if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
+ else { return null }
+ } else {
+ return new Pos(pos.line, pos.ch + dir)
+ }
+}
+
+function selectAll(cm) {
+ cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
+}
+
+// UPDATING
+
+// Allow "beforeChange" event handlers to influence a change
+function filterChange(doc, change, update) {
+ var obj = {
+ canceled: false,
+ from: change.from,
+ to: change.to,
+ text: change.text,
+ origin: change.origin,
+ cancel: function () { return obj.canceled = true; }
+ };
+ if (update) { obj.update = function (from, to, text, origin) {
+ if (from) { obj.from = clipPos(doc, from); }
+ if (to) { obj.to = clipPos(doc, to); }
+ if (text) { obj.text = text; }
+ if (origin !== undefined) { obj.origin = origin; }
+ }; }
+ signal(doc, "beforeChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }
+
+ if (obj.canceled) { return null }
+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
+}
+
+// Apply a change to a document, and add it to the document's
+// history, and propagating it to all linked documents.
+function makeChange(doc, change, ignoreReadOnly) {
+ if (doc.cm) {
+ if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
+ if (doc.cm.state.suppressEdits) { return }
+ }
+
+ if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+ change = filterChange(doc, change, true);
+ if (!change) { return }
+ }
+
+ // Possibly split or suppress the update based on the presence
+ // of read-only spans in its range.
+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
+ if (split) {
+ for (var i = split.length - 1; i >= 0; --i)
+ { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
+ } else {
+ makeChangeInner(doc, change);
+ }
+}
+
+function makeChangeInner(doc, change) {
+ if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
+ var selAfter = computeSelAfterChange(doc, change);
+ addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
+
+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
+ var rebased = [];
+
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
+ });
+}
+
+// Revert a change stored in a document's history.
+function makeChangeFromHistory(doc, type, allowSelectionOnly) {
+ if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }
+
+ var hist = doc.history, event, selAfter = doc.sel;
+ var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
+
+ // Verify that there is a useable event (so that ctrl-z won't
+ // needlessly clear selection events)
+ var i = 0;
+ for (; i < source.length; i++) {
+ event = source[i];
+ if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
+ { break }
+ }
+ if (i == source.length) { return }
+ hist.lastOrigin = hist.lastSelOrigin = null;
+
+ for (;;) {
+ event = source.pop();
+ if (event.ranges) {
+ pushSelectionToHistory(event, dest);
+ if (allowSelectionOnly && !event.equals(doc.sel)) {
+ setSelection(doc, event, {clearRedo: false});
+ return
+ }
+ selAfter = event;
+ }
+ else { break }
+ }
+
+ // Build up a reverse change object to add to the opposite history
+ // stack (redo when undoing, and vice versa).
+ var antiChanges = [];
+ pushSelectionToHistory(selAfter, dest);
+ dest.push({changes: antiChanges, generation: hist.generation});
+ hist.generation = event.generation || ++hist.maxGeneration;
+
+ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
+
+ var loop = function ( i ) {
+ var change = event.changes[i];
+ change.origin = type;
+ if (filter && !filterChange(doc, change, false)) {
+ source.length = 0;
+ return {}
+ }
+
+ antiChanges.push(historyChangeFromChange(doc, change));
+
+ var after = i ? computeSelAfterChange(doc, change) : lst(source);
+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
+ if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
+ var rebased = [];
+
+ // Propagate to the linked documents
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
+ });
+ };
+
+ for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
+ var returned = loop( i$1 );
+
+ if ( returned ) return returned.v;
+ }
+}
+
+// Sub-views need their line numbers shifted when text is added
+// above or below them in the parent document.
+function shiftDoc(doc, distance) {
+ if (distance == 0) { return }
+ doc.first += distance;
+ doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
+ Pos(range.anchor.line + distance, range.anchor.ch),
+ Pos(range.head.line + distance, range.head.ch)
+ ); }), doc.sel.primIndex);
+ if (doc.cm) {
+ regChange(doc.cm, doc.first, doc.first - distance, distance);
+ for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
+ { regLineChange(doc.cm, l, "gutter"); }
+ }
+}
+
+// More lower-level change function, handling only a single document
+// (not linked ones).
+function makeChangeSingleDoc(doc, change, selAfter, spans) {
+ if (doc.cm && !doc.cm.curOp)
+ { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
+
+ if (change.to.line < doc.first) {
+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
+ return
+ }
+ if (change.from.line > doc.lastLine()) { return }
+
+ // Clip the change to the size of this doc
+ if (change.from.line < doc.first) {
+ var shift = change.text.length - 1 - (doc.first - change.from.line);
+ shiftDoc(doc, shift);
+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+ text: [lst(change.text)], origin: change.origin};
+ }
+ var last = doc.lastLine();
+ if (change.to.line > last) {
+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+ text: [change.text[0]], origin: change.origin};
+ }
+
+ change.removed = getBetween(doc, change.from, change.to);
+
+ if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
+ if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
+ else { updateDoc(doc, change, spans); }
+ setSelectionNoUndo(doc, selAfter, sel_dontScroll);
+}
+
+// Handle the interaction of a change to a document with the editor
+// that this document is part of.
+function makeChangeSingleDocInEditor(cm, change, spans) {
+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
+
+ var recomputeMaxLength = false, checkWidthStart = from.line;
+ if (!cm.options.lineWrapping) {
+ checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
+ doc.iter(checkWidthStart, to.line + 1, function (line) {
+ if (line == display.maxLine) {
+ recomputeMaxLength = true;
+ return true
+ }
+ });
+ }
+
+ if (doc.sel.contains(change.from, change.to) > -1)
+ { signalCursorActivity(cm); }
+
+ updateDoc(doc, change, spans, estimateHeight(cm));
+
+ if (!cm.options.lineWrapping) {
+ doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
+ var len = lineLength(line);
+ if (len > display.maxLineLength) {
+ display.maxLine = line;
+ display.maxLineLength = len;
+ display.maxLineChanged = true;
+ recomputeMaxLength = false;
+ }
+ });
+ if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
+ }
+
+ retreatFrontier(doc, from.line);
+ startWorker(cm, 400);
+
+ var lendiff = change.text.length - (to.line - from.line) - 1;
+ // Remember that these lines changed, for updating the display
+ if (change.full)
+ { regChange(cm); }
+ else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
+ { regLineChange(cm, from.line, "text"); }
+ else
+ { regChange(cm, from.line, to.line + 1, lendiff); }
+
+ var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
+ if (changeHandler || changesHandler) {
+ var obj = {
+ from: from, to: to,
+ text: change.text,
+ removed: change.removed,
+ origin: change.origin
+ };
+ if (changeHandler) { signalLater(cm, "change", cm, obj); }
+ if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
+ }
+ cm.display.selForContextMenu = null;
+}
+
+function replaceRange(doc, code, from, to, origin) {
+ if (!to) { to = from; }
+ if (cmp(to, from) < 0) { var assign;
+ (assign = [to, from], from = assign[0], to = assign[1], assign); }
+ if (typeof code == "string") { code = doc.splitLines(code); }
+ makeChange(doc, {from: from, to: to, text: code, origin: origin});
+}
+
+// Rebasing/resetting history to deal with externally-sourced changes
+
+function rebaseHistSelSingle(pos, from, to, diff) {
+ if (to < pos.line) {
+ pos.line += diff;
+ } else if (from < pos.line) {
+ pos.line = from;
+ pos.ch = 0;
+ }
+}
+
+// Tries to rebase an array of history events given a change in the
+// document. If the change touches the same lines as the event, the
+// event, and everything 'behind' it, is discarded. If the change is
+// before the event, the event's positions are updated. Uses a
+// copy-on-write scheme for the positions, to avoid having to
+// reallocate them all on every rebase, but also avoid problems with
+// shared position objects being unsafely updated.
+function rebaseHistArray(array, from, to, diff) {
+ for (var i = 0; i < array.length; ++i) {
+ var sub = array[i], ok = true;
+ if (sub.ranges) {
+ if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
+ for (var j = 0; j < sub.ranges.length; j++) {
+ rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
+ rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
+ }
+ continue
+ }
+ for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
+ var cur = sub.changes[j$1];
+ if (to < cur.from.line) {
+ cur.from = Pos(cur.from.line + diff, cur.from.ch);
+ cur.to = Pos(cur.to.line + diff, cur.to.ch);
+ } else if (from <= cur.to.line) {
+ ok = false;
+ break
+ }
+ }
+ if (!ok) {
+ array.splice(0, i + 1);
+ i = 0;
+ }
+ }
+}
+
+function rebaseHist(hist, change) {
+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
+ rebaseHistArray(hist.done, from, to, diff);
+ rebaseHistArray(hist.undone, from, to, diff);
+}
+
+// Utility for applying a change to a line by handle or number,
+// returning the number and optionally registering the line as
+// changed.
+function changeLine(doc, handle, changeType, op) {
+ var no = handle, line = handle;
+ if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
+ else { no = lineNo(handle); }
+ if (no == null) { return null }
+ if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
+ return line
+}
+
+// The document is represented as a BTree consisting of leaves, with
+// chunk of lines in them, and branches, with up to ten leaves or
+// other branch nodes below them. The top node is always a branch
+// node, and is the document object itself (meaning it has
+// additional methods and properties).
+//
+// All nodes have parent links. The tree is used both to go from
+// line numbers to line objects, and to go from objects to numbers.
+// It also indexes by height, and is used to convert between height
+// and line object, and to find the total height of the document.
+//
+// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
+
+function LeafChunk(lines) {
+ var this$1 = this;
+
+ this.lines = lines;
+ this.parent = null;
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) {
+ lines[i].parent = this$1;
+ height += lines[i].height;
+ }
+ this.height = height;
+}
+
+LeafChunk.prototype = {
+ chunkSize: function chunkSize() { return this.lines.length },
+
+ // Remove the n lines at offset 'at'.
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this$1.lines[i];
+ this$1.height -= line.height;
+ cleanUpLine(line);
+ signalLater(line, "delete");
+ }
+ this.lines.splice(at, n);
+ },
+
+ // Helper used to collapse a small branch into a single leaf.
+ collapse: function collapse(lines) {
+ lines.push.apply(lines, this.lines);
+ },
+
+ // Insert the given array of lines at offset 'at', count them as
+ // having the given height.
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.height += height;
+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+ for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }
+ },
+
+ // Used to iterate over a part of the tree.
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var e = at + n; at < e; ++at)
+ { if (op(this$1.lines[at])) { return true } }
+ }
+};
+
+function BranchChunk(children) {
+ var this$1 = this;
+
+ this.children = children;
+ var size = 0, height = 0;
+ for (var i = 0; i < children.length; ++i) {
+ var ch = children[i];
+ size += ch.chunkSize(); height += ch.height;
+ ch.parent = this$1;
+ }
+ this.size = size;
+ this.height = height;
+ this.parent = null;
+}
+
+BranchChunk.prototype = {
+ chunkSize: function chunkSize() { return this.size },
+
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ this.size -= n;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height;
+ child.removeInner(at, rm);
+ this$1.height -= oldHeight - child.height;
+ if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }
+ if ((n -= rm) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ // If the result is smaller than 25 lines, ensure that it is a
+ // single leaf node.
+ if (this.size - n < 25 &&
+ (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
+ var lines = [];
+ this.collapse(lines);
+ this.children = [new LeafChunk(lines)];
+ this.children[0].parent = this;
+ }
+ },
+
+ collapse: function collapse(lines) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }
+ },
+
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.size += lines.length;
+ this.height += height;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at <= sz) {
+ child.insertInner(at, lines, height);
+ if (child.lines && child.lines.length > 50) {
+ // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
+ // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
+ var remaining = child.lines.length % 25 + 25;
+ for (var pos = remaining; pos < child.lines.length;) {
+ var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
+ child.height -= leaf.height;
+ this$1.children.splice(++i, 0, leaf);
+ leaf.parent = this$1;
+ }
+ child.lines = child.lines.slice(0, remaining);
+ this$1.maybeSpill();
+ }
+ break
+ }
+ at -= sz;
+ }
+ },
+
+ // When a node has grown, check whether it should be split.
+ maybeSpill: function maybeSpill() {
+ if (this.children.length <= 10) { return }
+ var me = this;
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5);
+ var sibling = new BranchChunk(spilled);
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children);
+ copy.parent = me;
+ me.children = [copy, sibling];
+ me = copy;
+ } else {
+ me.size -= sibling.size;
+ me.height -= sibling.height;
+ var myIndex = indexOf(me.parent.children, me);
+ me.parent.children.splice(myIndex + 1, 0, sibling);
+ }
+ sibling.parent = me.parent;
+ } while (me.children.length > 10)
+ me.parent.maybeSpill();
+ },
+
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var used = Math.min(n, sz - at);
+ if (child.iterN(at, used, op)) { return true }
+ if ((n -= used) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ }
+};
+
+// Line widgets are block elements displayed above or below a line.
+
+var LineWidget = function(doc, node, options) {
+ var this$1 = this;
+
+ if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
+ { this$1[opt] = options[opt]; } } }
+ this.doc = doc;
+ this.node = node;
+};
+
+LineWidget.prototype.clear = function () {
+ var this$1 = this;
+
+ var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
+ if (no == null || !ws) { return }
+ for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }
+ if (!ws.length) { line.widgets = null; }
+ var height = widgetHeight(this);
+ updateLineHeight(line, Math.max(0, line.height - height));
+ if (cm) {
+ runInOp(cm, function () {
+ adjustScrollWhenAboveVisible(cm, line, -height);
+ regLineChange(cm, no, "widget");
+ });
+ signalLater(cm, "lineWidgetCleared", cm, this, no);
+ }
+};
+
+LineWidget.prototype.changed = function () {
+ var this$1 = this;
+
+ var oldH = this.height, cm = this.doc.cm, line = this.line;
+ this.height = null;
+ var diff = widgetHeight(this) - oldH;
+ if (!diff) { return }
+ updateLineHeight(line, line.height + diff);
+ if (cm) {
+ runInOp(cm, function () {
+ cm.curOp.forceUpdate = true;
+ adjustScrollWhenAboveVisible(cm, line, diff);
+ signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
+ });
+ }
+};
+eventMixin(LineWidget);
+
+function adjustScrollWhenAboveVisible(cm, line, diff) {
+ if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
+ { addToScrollTop(cm, diff); }
+}
+
+function addLineWidget(doc, handle, node, options) {
+ var widget = new LineWidget(doc, node, options);
+ var cm = doc.cm;
+ if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
+ changeLine(doc, handle, "widget", function (line) {
+ var widgets = line.widgets || (line.widgets = []);
+ if (widget.insertAt == null) { widgets.push(widget); }
+ else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
+ widget.line = line;
+ if (cm && !lineIsHidden(doc, line)) {
+ var aboveVisible = heightAtLine(line) < doc.scrollTop;
+ updateLineHeight(line, line.height + widgetHeight(widget));
+ if (aboveVisible) { addToScrollTop(cm, widget.height); }
+ cm.curOp.forceUpdate = true;
+ }
+ return true
+ });
+ signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle));
+ return widget
+}
+
+// TEXTMARKERS
+
+// Created with markText and setBookmark methods. A TextMarker is a
+// handle that can be used to clear or find a marked position in the
+// document. Line objects hold arrays (markedSpans) containing
+// {from, to, marker} object pointing to such marker objects, and
+// indicating that such a marker is present on that line. Multiple
+// lines may point to the same marker when it spans across lines.
+// The spans will have null for their from/to properties when the
+// marker continues beyond the start/end of the line. Markers have
+// links back to the lines they currently touch.
+
+// Collapsed markers have unique ids, in order to be able to order
+// them, which is needed for uniquely determining an outer marker
+// when they overlap (they may nest, but not partially overlap).
+var nextMarkerId = 0;
+
+var TextMarker = function(doc, type) {
+ this.lines = [];
+ this.type = type;
+ this.doc = doc;
+ this.id = ++nextMarkerId;
+};
+
+// Clear the marker.
+TextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ var cm = this.doc.cm, withOp = cm && !cm.curOp;
+ if (withOp) { startOperation(cm); }
+ if (hasHandler(this, "clear")) {
+ var found = this.find();
+ if (found) { signalLater(this, "clear", found.from, found.to); }
+ }
+ var min = null, max = null;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }
+ else if (cm) {
+ if (span.to != null) { max = lineNo(line); }
+ if (span.from != null) { min = lineNo(line); }
+ }
+ line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+ if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
+ { updateLineHeight(line, textHeight(cm.display)); }
+ }
+ if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
+ var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);
+ if (len > cm.display.maxLineLength) {
+ cm.display.maxLine = visual;
+ cm.display.maxLineLength = len;
+ cm.display.maxLineChanged = true;
+ }
+ } }
+
+ if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
+ this.lines.length = 0;
+ this.explicitlyCleared = true;
+ if (this.atomic && this.doc.cantEdit) {
+ this.doc.cantEdit = false;
+ if (cm) { reCheckSelection(cm.doc); }
+ }
+ if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
+ if (withOp) { endOperation(cm); }
+ if (this.parent) { this.parent.clear(); }
+};
+
+// Find the position of the marker in the document. Returns a {from,
+// to} object by default. Side can be passed to get a specific side
+// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
+// Pos objects returned contain a line object, rather than a line
+// number (used to prevent looking up the same line twice).
+TextMarker.prototype.find = function (side, lineObj) {
+ var this$1 = this;
+
+ if (side == null && this.type == "bookmark") { side = 1; }
+ var from, to;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (span.from != null) {
+ from = Pos(lineObj ? line : lineNo(line), span.from);
+ if (side == -1) { return from }
+ }
+ if (span.to != null) {
+ to = Pos(lineObj ? line : lineNo(line), span.to);
+ if (side == 1) { return to }
+ }
+ }
+ return from && {from: from, to: to}
+};
+
+// Signals that the marker's widget changed, and surrounding layout
+// should be recomputed.
+TextMarker.prototype.changed = function () {
+ var this$1 = this;
+
+ var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
+ if (!pos || !cm) { return }
+ runInOp(cm, function () {
+ var line = pos.line, lineN = lineNo(pos.line);
+ var view = findViewForLine(cm, lineN);
+ if (view) {
+ clearLineMeasurementCacheFor(view);
+ cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
+ }
+ cm.curOp.updateMaxLine = true;
+ if (!lineIsHidden(widget.doc, line) && widget.height != null) {
+ var oldHeight = widget.height;
+ widget.height = null;
+ var dHeight = widgetHeight(widget) - oldHeight;
+ if (dHeight)
+ { updateLineHeight(line, line.height + dHeight); }
+ }
+ signalLater(cm, "markerChanged", cm, this$1);
+ });
+};
+
+TextMarker.prototype.attachLine = function (line) {
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;
+ if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+ { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
+ }
+ this.lines.push(line);
+};
+
+TextMarker.prototype.detachLine = function (line) {
+ this.lines.splice(indexOf(this.lines, line), 1);
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
+ }
+};
+eventMixin(TextMarker);
+
+// Create a marker, wire it up to the right lines, and
+function markText(doc, from, to, options, type) {
+ // Shared markers (across linked documents) are handled separately
+ // (markTextShared will call out to this again, once per
+ // document).
+ if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
+ // Ensure we are in an operation.
+ if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
+
+ var marker = new TextMarker(doc, type), diff = cmp(from, to);
+ if (options) { copyObj(options, marker, false); }
+ // Don't connect empty markers unless clearWhenEmpty is false
+ if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
+ { return marker }
+ if (marker.replacedWith) {
+ // Showing up as a widget implies collapsed (widget replaces text)
+ marker.collapsed = true;
+ marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
+ if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
+ if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
+ }
+ if (marker.collapsed) {
+ if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
+ from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
+ { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
+ seeCollapsedSpans();
+ }
+
+ if (marker.addToHistory)
+ { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }
+
+ var curLine = from.line, cm = doc.cm, updateMaxLine;
+ doc.iter(curLine, to.line + 1, function (line) {
+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
+ { updateMaxLine = true; }
+ if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
+ addMarkedSpan(line, new MarkedSpan(marker,
+ curLine == from.line ? from.ch : null,
+ curLine == to.line ? to.ch : null));
+ ++curLine;
+ });
+ // lineIsHidden depends on the presence of the spans, so needs a second pass
+ if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
+ if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
+ }); }
+
+ if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }
+
+ if (marker.readOnly) {
+ seeReadOnlySpans();
+ if (doc.history.done.length || doc.history.undone.length)
+ { doc.clearHistory(); }
+ }
+ if (marker.collapsed) {
+ marker.id = ++nextMarkerId;
+ marker.atomic = true;
+ }
+ if (cm) {
+ // Sync editor state
+ if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
+ if (marker.collapsed)
+ { regChange(cm, from.line, to.line + 1); }
+ else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
+ { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
+ if (marker.atomic) { reCheckSelection(cm.doc); }
+ signalLater(cm, "markerAdded", cm, marker);
+ }
+ return marker
+}
+
+// SHARED TEXTMARKERS
+
+// A shared marker spans multiple linked documents. It is
+// implemented as a meta-marker-object controlling multiple normal
+// markers.
+var SharedTextMarker = function(markers, primary) {
+ var this$1 = this;
+
+ this.markers = markers;
+ this.primary = primary;
+ for (var i = 0; i < markers.length; ++i)
+ { markers[i].parent = this$1; }
+};
+
+SharedTextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ this.explicitlyCleared = true;
+ for (var i = 0; i < this.markers.length; ++i)
+ { this$1.markers[i].clear(); }
+ signalLater(this, "clear");
+};
+
+SharedTextMarker.prototype.find = function (side, lineObj) {
+ return this.primary.find(side, lineObj)
+};
+eventMixin(SharedTextMarker);
+
+function markTextShared(doc, from, to, options, type) {
+ options = copyObj(options);
+ options.shared = false;
+ var markers = [markText(doc, from, to, options, type)], primary = markers[0];
+ var widget = options.widgetNode;
+ linkedDocs(doc, function (doc) {
+ if (widget) { options.widgetNode = widget.cloneNode(true); }
+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
+ for (var i = 0; i < doc.linked.length; ++i)
+ { if (doc.linked[i].isParent) { return } }
+ primary = lst(markers);
+ });
+ return new SharedTextMarker(markers, primary)
+}
+
+function findSharedMarkers(doc) {
+ return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
+}
+
+function copySharedMarkers(doc, markers) {
+ for (var i = 0; i < markers.length; i++) {
+ var marker = markers[i], pos = marker.find();
+ var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
+ if (cmp(mFrom, mTo)) {
+ var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
+ marker.markers.push(subMark);
+ subMark.parent = marker;
+ }
+ }
+}
+
+function detachSharedMarkers(markers) {
+ var loop = function ( i ) {
+ var marker = markers[i], linked = [marker.primary.doc];
+ linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
+ for (var j = 0; j < marker.markers.length; j++) {
+ var subMarker = marker.markers[j];
+ if (indexOf(linked, subMarker.doc) == -1) {
+ subMarker.parent = null;
+ marker.markers.splice(j--, 1);
+ }
+ }
+ };
+
+ for (var i = 0; i < markers.length; i++) loop( i );
+}
+
+var nextDocId = 0;
+var Doc = function(text, mode, firstLine, lineSep, direction) {
+ if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
+ if (firstLine == null) { firstLine = 0; }
+
+ BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
+ this.first = firstLine;
+ this.scrollTop = this.scrollLeft = 0;
+ this.cantEdit = false;
+ this.cleanGeneration = 1;
+ this.modeFrontier = this.highlightFrontier = firstLine;
+ var start = Pos(firstLine, 0);
+ this.sel = simpleSelection(start);
+ this.history = new History(null);
+ this.id = ++nextDocId;
+ this.modeOption = mode;
+ this.lineSep = lineSep;
+ this.direction = (direction == "rtl") ? "rtl" : "ltr";
+ this.extend = false;
+
+ if (typeof text == "string") { text = this.splitLines(text); }
+ updateDoc(this, {from: start, to: start, text: text});
+ setSelection(this, simpleSelection(start), sel_dontScroll);
+};
+
+Doc.prototype = createObj(BranchChunk.prototype, {
+ constructor: Doc,
+ // Iterate over the document. Supports two forms -- with only one
+ // argument, it calls that for each line in the document. With
+ // three, it iterates over the range given by the first two (with
+ // the second being non-inclusive).
+ iter: function(from, to, op) {
+ if (op) { this.iterN(from - this.first, to - from, op); }
+ else { this.iterN(this.first, this.first + this.size, from); }
+ },
+
+ // Non-public interface for adding and removing lines.
+ insert: function(at, lines) {
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
+ this.insertInner(at - this.first, lines, height);
+ },
+ remove: function(at, n) { this.removeInner(at - this.first, n); },
+
+ // From here, the methods are part of the public interface. Most
+ // are also available from CodeMirror (editor) instances.
+
+ getValue: function(lineSep) {
+ var lines = getLines(this, this.first, this.first + this.size);
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+ setValue: docMethodOp(function(code) {
+ var top = Pos(this.first, 0), last = this.first + this.size - 1;
+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+ text: this.splitLines(code), origin: "setValue", full: true}, true);
+ if (this.cm) { scrollToCoords(this.cm, 0, 0); }
+ setSelection(this, simpleSelection(top), sel_dontScroll);
+ }),
+ replaceRange: function(code, from, to, origin) {
+ from = clipPos(this, from);
+ to = to ? clipPos(this, to) : from;
+ replaceRange(this, code, from, to, origin);
+ },
+ getRange: function(from, to, lineSep) {
+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+
+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
+
+ getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
+ getLineNumber: function(line) {return lineNo(line)},
+
+ getLineHandleVisualStart: function(line) {
+ if (typeof line == "number") { line = getLine(this, line); }
+ return visualLine(line)
+ },
+
+ lineCount: function() {return this.size},
+ firstLine: function() {return this.first},
+ lastLine: function() {return this.first + this.size - 1},
+
+ clipPos: function(pos) {return clipPos(this, pos)},
+
+ getCursor: function(start) {
+ var range$$1 = this.sel.primary(), pos;
+ if (start == null || start == "head") { pos = range$$1.head; }
+ else if (start == "anchor") { pos = range$$1.anchor; }
+ else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }
+ else { pos = range$$1.from(); }
+ return pos
+ },
+ listSelections: function() { return this.sel.ranges },
+ somethingSelected: function() {return this.sel.somethingSelected()},
+
+ setCursor: docMethodOp(function(line, ch, options) {
+ setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
+ }),
+ setSelection: docMethodOp(function(anchor, head, options) {
+ setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
+ }),
+ extendSelection: docMethodOp(function(head, other, options) {
+ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
+ }),
+ extendSelections: docMethodOp(function(heads, options) {
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ extendSelectionsBy: docMethodOp(function(f, options) {
+ var heads = map(this.sel.ranges, f);
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ setSelections: docMethodOp(function(ranges, primary, options) {
+ var this$1 = this;
+
+ if (!ranges.length) { return }
+ var out = [];
+ for (var i = 0; i < ranges.length; i++)
+ { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
+ clipPos(this$1, ranges[i].head)); }
+ if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
+ setSelection(this, normalizeSelection(out, primary), options);
+ }),
+ addSelection: docMethodOp(function(anchor, head, options) {
+ var ranges = this.sel.ranges.slice(0);
+ ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
+ setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
+ }),
+
+ getSelection: function(lineSep) {
+ var this$1 = this;
+
+ var ranges = this.sel.ranges, lines;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ lines = lines ? lines.concat(sel) : sel;
+ }
+ if (lineSep === false) { return lines }
+ else { return lines.join(lineSep || this.lineSeparator()) }
+ },
+ getSelections: function(lineSep) {
+ var this$1 = this;
+
+ var parts = [], ranges = this.sel.ranges;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }
+ parts[i] = sel;
+ }
+ return parts
+ },
+ replaceSelection: function(code, collapse, origin) {
+ var dup = [];
+ for (var i = 0; i < this.sel.ranges.length; i++)
+ { dup[i] = code; }
+ this.replaceSelections(dup, collapse, origin || "+input");
+ },
+ replaceSelections: docMethodOp(function(code, collapse, origin) {
+ var this$1 = this;
+
+ var changes = [], sel = this.sel;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range$$1 = sel.ranges[i];
+ changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};
+ }
+ var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
+ for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
+ { makeChange(this$1, changes[i$1]); }
+ if (newSel) { setSelectionReplaceHistory(this, newSel); }
+ else if (this.cm) { ensureCursorVisible(this.cm); }
+ }),
+ undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
+ redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
+ undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
+ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
+
+ setExtending: function(val) {this.extend = val;},
+ getExtending: function() {return this.extend},
+
+ historySize: function() {
+ var hist = this.history, done = 0, undone = 0;
+ for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
+ for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
+ return {undo: done, redo: undone}
+ },
+ clearHistory: function() {this.history = new History(this.history.maxGeneration);},
+
+ markClean: function() {
+ this.cleanGeneration = this.changeGeneration(true);
+ },
+ changeGeneration: function(forceSplit) {
+ if (forceSplit)
+ { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
+ return this.history.generation
+ },
+ isClean: function (gen) {
+ return this.history.generation == (gen || this.cleanGeneration)
+ },
+
+ getHistory: function() {
+ return {done: copyHistoryArray(this.history.done),
+ undone: copyHistoryArray(this.history.undone)}
+ },
+ setHistory: function(histData) {
+ var hist = this.history = new History(this.history.maxGeneration);
+ hist.done = copyHistoryArray(histData.done.slice(0), null, true);
+ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
+ },
+
+ setGutterMarker: docMethodOp(function(line, gutterID, value) {
+ return changeLine(this, line, "gutter", function (line) {
+ var markers = line.gutterMarkers || (line.gutterMarkers = {});
+ markers[gutterID] = value;
+ if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
+ return true
+ })
+ }),
+
+ clearGutter: docMethodOp(function(gutterID) {
+ var this$1 = this;
+
+ this.iter(function (line) {
+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+ changeLine(this$1, line, "gutter", function () {
+ line.gutterMarkers[gutterID] = null;
+ if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
+ return true
+ });
+ }
+ });
+ }),
+
+ lineInfo: function(line) {
+ var n;
+ if (typeof line == "number") {
+ if (!isLine(this, line)) { return null }
+ n = line;
+ line = getLine(this, line);
+ if (!line) { return null }
+ } else {
+ n = lineNo(line);
+ if (n == null) { return null }
+ }
+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+ widgets: line.widgets}
+ },
+
+ addLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ if (!line[prop]) { line[prop] = cls; }
+ else if (classTest(cls).test(line[prop])) { return false }
+ else { line[prop] += " " + cls; }
+ return true
+ })
+ }),
+ removeLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ var cur = line[prop];
+ if (!cur) { return false }
+ else if (cls == null) { line[prop] = null; }
+ else {
+ var found = cur.match(classTest(cls));
+ if (!found) { return false }
+ var end = found.index + found[0].length;
+ line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
+ }
+ return true
+ })
+ }),
+
+ addLineWidget: docMethodOp(function(handle, node, options) {
+ return addLineWidget(this, handle, node, options)
+ }),
+ removeLineWidget: function(widget) { widget.clear(); },
+
+ markText: function(from, to, options) {
+ return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
+ },
+ setBookmark: function(pos, options) {
+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+ insertLeft: options && options.insertLeft,
+ clearWhenEmpty: false, shared: options && options.shared,
+ handleMouseEvents: options && options.handleMouseEvents};
+ pos = clipPos(this, pos);
+ return markText(this, pos, pos, realOpts, "bookmark")
+ },
+ findMarksAt: function(pos) {
+ pos = clipPos(this, pos);
+ var markers = [], spans = getLine(this, pos.line).markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if ((span.from == null || span.from <= pos.ch) &&
+ (span.to == null || span.to >= pos.ch))
+ { markers.push(span.marker.parent || span.marker); }
+ } }
+ return markers
+ },
+ findMarks: function(from, to, filter) {
+ from = clipPos(this, from); to = clipPos(this, to);
+ var found = [], lineNo$$1 = from.line;
+ this.iter(from.line, to.line + 1, function (line) {
+ var spans = line.markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; i++) {
+ var span = spans[i];
+ if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||
+ span.from == null && lineNo$$1 != from.line ||
+ span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&
+ (!filter || filter(span.marker)))
+ { found.push(span.marker.parent || span.marker); }
+ } }
+ ++lineNo$$1;
+ });
+ return found
+ },
+ getAllMarks: function() {
+ var markers = [];
+ this.iter(function (line) {
+ var sps = line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i)
+ { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
+ });
+ return markers
+ },
+
+ posFromIndex: function(off) {
+ var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;
+ this.iter(function (line) {
+ var sz = line.text.length + sepSize;
+ if (sz > off) { ch = off; return true }
+ off -= sz;
+ ++lineNo$$1;
+ });
+ return clipPos(this, Pos(lineNo$$1, ch))
+ },
+ indexFromPos: function (coords) {
+ coords = clipPos(this, coords);
+ var index = coords.ch;
+ if (coords.line < this.first || coords.ch < 0) { return 0 }
+ var sepSize = this.lineSeparator().length;
+ this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
+ index += line.text.length + sepSize;
+ });
+ return index
+ },
+
+ copy: function(copyHistory) {
+ var doc = new Doc(getLines(this, this.first, this.first + this.size),
+ this.modeOption, this.first, this.lineSep, this.direction);
+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
+ doc.sel = this.sel;
+ doc.extend = false;
+ if (copyHistory) {
+ doc.history.undoDepth = this.history.undoDepth;
+ doc.setHistory(this.getHistory());
+ }
+ return doc
+ },
+
+ linkedDoc: function(options) {
+ if (!options) { options = {}; }
+ var from = this.first, to = this.first + this.size;
+ if (options.from != null && options.from > from) { from = options.from; }
+ if (options.to != null && options.to < to) { to = options.to; }
+ var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
+ if (options.sharedHist) { copy.history = this.history
+ ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
+ copySharedMarkers(copy, findSharedMarkers(this));
+ return copy
+ },
+ unlinkDoc: function(other) {
+ var this$1 = this;
+
+ if (other instanceof CodeMirror$1) { other = other.doc; }
+ if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
+ var link = this$1.linked[i];
+ if (link.doc != other) { continue }
+ this$1.linked.splice(i, 1);
+ other.unlinkDoc(this$1);
+ detachSharedMarkers(findSharedMarkers(this$1));
+ break
+ } }
+ // If the histories were shared, split them again
+ if (other.history == this.history) {
+ var splitIds = [other.id];
+ linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
+ other.history = new History(null);
+ other.history.done = copyHistoryArray(this.history.done, splitIds);
+ other.history.undone = copyHistoryArray(this.history.undone, splitIds);
+ }
+ },
+ iterLinkedDocs: function(f) {linkedDocs(this, f);},
+
+ getMode: function() {return this.mode},
+ getEditor: function() {return this.cm},
+
+ splitLines: function(str) {
+ if (this.lineSep) { return str.split(this.lineSep) }
+ return splitLinesAuto(str)
+ },
+ lineSeparator: function() { return this.lineSep || "\n" },
+
+ setDirection: docMethodOp(function (dir) {
+ if (dir != "rtl") { dir = "ltr"; }
+ if (dir == this.direction) { return }
+ this.direction = dir;
+ this.iter(function (line) { return line.order = null; });
+ if (this.cm) { directionChanged(this.cm); }
+ })
+});
+
+// Public alias.
+Doc.prototype.eachLine = Doc.prototype.iter;
+
+// Kludge to work around strange IE behavior where it'll sometimes
+// re-fire a series of drag-related events right after the drop (#1551)
+var lastDrop = 0;
+
+function onDrop(e) {
+ var cm = this;
+ clearDragCursor(cm);
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
+ { return }
+ e_preventDefault(e);
+ if (ie) { lastDrop = +new Date; }
+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+ if (!pos || cm.isReadOnly()) { return }
+ // Might be a file drop, in which case we simply extract the text
+ // and insert it.
+ if (files && files.length && window.FileReader && window.File) {
+ var n = files.length, text = Array(n), read = 0;
+ var loadFile = function (file, i) {
+ if (cm.options.allowDropFileTypes &&
+ indexOf(cm.options.allowDropFileTypes, file.type) == -1)
+ { return }
+
+ var reader = new FileReader;
+ reader.onload = operation(cm, function () {
+ var content = reader.result;
+ if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; }
+ text[i] = content;
+ if (++read == n) {
+ pos = clipPos(cm.doc, pos);
+ var change = {from: pos, to: pos,
+ text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
+ origin: "paste"};
+ makeChange(cm.doc, change);
+ setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
+ }
+ });
+ reader.readAsText(file);
+ };
+ for (var i = 0; i < n; ++i) { loadFile(files[i], i); }
+ } else { // Normal drop
+ // Don't do a replace if the drop happened inside of the selected text.
+ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
+ cm.state.draggingText(e);
+ // Ensure the editor is re-focused
+ setTimeout(function () { return cm.display.input.focus(); }, 20);
+ return
+ }
+ try {
+ var text$1 = e.dataTransfer.getData("Text");
+ if (text$1) {
+ var selected;
+ if (cm.state.draggingText && !cm.state.draggingText.copy)
+ { selected = cm.listSelections(); }
+ setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
+ if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
+ { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
+ cm.replaceSelection(text$1, "around", "paste");
+ cm.display.input.focus();
+ }
+ }
+ catch(e){}
+ }
+}
+
+function onDragStart(cm, e) {
+ if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
+
+ e.dataTransfer.setData("Text", cm.getSelection());
+ e.dataTransfer.effectAllowed = "copyMove";
+
+ // Use dummy image instead of default browsers image.
+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+ if (e.dataTransfer.setDragImage && !safari) {
+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
+ img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+ if (presto) {
+ img.width = img.height = 1;
+ cm.display.wrapper.appendChild(img);
+ // Force a relayout, or Opera won't use our image for some obscure reason
+ img._top = img.offsetTop;
+ }
+ e.dataTransfer.setDragImage(img, 0, 0);
+ if (presto) { img.parentNode.removeChild(img); }
+ }
+}
+
+function onDragOver(cm, e) {
+ var pos = posFromMouse(cm, e);
+ if (!pos) { return }
+ var frag = document.createDocumentFragment();
+ drawSelectionCursor(cm, pos, frag);
+ if (!cm.display.dragCursor) {
+ cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
+ cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
+ }
+ removeChildrenAndAdd(cm.display.dragCursor, frag);
+}
+
+function clearDragCursor(cm) {
+ if (cm.display.dragCursor) {
+ cm.display.lineSpace.removeChild(cm.display.dragCursor);
+ cm.display.dragCursor = null;
+ }
+}
+
+// These must be handled carefully, because naively registering a
+// handler for each editor will cause the editors to never be
+// garbage collected.
+
+function forEachCodeMirror(f) {
+ if (!document.getElementsByClassName) { return }
+ var byClass = document.getElementsByClassName("CodeMirror");
+ for (var i = 0; i < byClass.length; i++) {
+ var cm = byClass[i].CodeMirror;
+ if (cm) { f(cm); }
+ }
+}
+
+var globalsRegistered = false;
+function ensureGlobalHandlers() {
+ if (globalsRegistered) { return }
+ registerGlobalHandlers();
+ globalsRegistered = true;
+}
+function registerGlobalHandlers() {
+ // When the window resizes, we need to refresh active editors.
+ var resizeTimer;
+ on(window, "resize", function () {
+ if (resizeTimer == null) { resizeTimer = setTimeout(function () {
+ resizeTimer = null;
+ forEachCodeMirror(onResize);
+ }, 100); }
+ });
+ // When the window loses focus, we want to show the editor as blurred
+ on(window, "blur", function () { return forEachCodeMirror(onBlur); });
+}
+// Called when the window resizes
+function onResize(cm) {
+ var d = cm.display;
+ if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
+ { return }
+ // Might be a text scaling operation, clear size caches.
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+ d.scrollbarsClipped = false;
+ cm.setSize();
+}
+
+var keyNames = {
+ 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+ 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
+ 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
+ 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+ 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
+ 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
+};
+
+// Number keys
+for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
+// Alphabetic keys
+for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
+// Function keys
+for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }
+
+var keyMap = {};
+
+keyMap.basic = {
+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
+ "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
+ "Esc": "singleSelection"
+};
+// Note that the save and find-related commands aren't defined by
+// default. User code or addons can define them. Unknown commands
+// are simply ignored.
+keyMap.pcDefault = {
+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+ "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
+ fallthrough: "basic"
+};
+// Very basic readline/emacs-style bindings, which are standard on Mac.
+keyMap.emacsy = {
+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
+ "Ctrl-O": "openLine"
+};
+keyMap.macDefault = {
+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+ "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
+ "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
+ fallthrough: ["basic", "emacsy"]
+};
+keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+
+// KEYMAP DISPATCH
+
+function normalizeKeyName(name) {
+ var parts = name.split(/-(?!$)/);
+ name = parts[parts.length - 1];
+ var alt, ctrl, shift, cmd;
+ for (var i = 0; i < parts.length - 1; i++) {
+ var mod = parts[i];
+ if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
+ else if (/^a(lt)?$/i.test(mod)) { alt = true; }
+ else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
+ else if (/^s(hift)?$/i.test(mod)) { shift = true; }
+ else { throw new Error("Unrecognized modifier name: " + mod) }
+ }
+ if (alt) { name = "Alt-" + name; }
+ if (ctrl) { name = "Ctrl-" + name; }
+ if (cmd) { name = "Cmd-" + name; }
+ if (shift) { name = "Shift-" + name; }
+ return name
+}
+
+// This is a kludge to keep keymaps mostly working as raw objects
+// (backwards compatibility) while at the same time support features
+// like normalization and multi-stroke key bindings. It compiles a
+// new normalized keymap, and then updates the old object to reflect
+// this.
+function normalizeKeyMap(keymap) {
+ var copy = {};
+ for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
+ var value = keymap[keyname];
+ if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
+ if (value == "...") { delete keymap[keyname]; continue }
+
+ var keys = map(keyname.split(" "), normalizeKeyName);
+ for (var i = 0; i < keys.length; i++) {
+ var val = (void 0), name = (void 0);
+ if (i == keys.length - 1) {
+ name = keys.join(" ");
+ val = value;
+ } else {
+ name = keys.slice(0, i + 1).join(" ");
+ val = "...";
+ }
+ var prev = copy[name];
+ if (!prev) { copy[name] = val; }
+ else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+ }
+ delete keymap[keyname];
+ } }
+ for (var prop in copy) { keymap[prop] = copy[prop]; }
+ return keymap
+}
+
+function lookupKey(key, map$$1, handle, context) {
+ map$$1 = getKeyMap(map$$1);
+ var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];
+ if (found === false) { return "nothing" }
+ if (found === "...") { return "multi" }
+ if (found != null && handle(found)) { return "handled" }
+
+ if (map$$1.fallthrough) {
+ if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")
+ { return lookupKey(key, map$$1.fallthrough, handle, context) }
+ for (var i = 0; i < map$$1.fallthrough.length; i++) {
+ var result = lookupKey(key, map$$1.fallthrough[i], handle, context);
+ if (result) { return result }
+ }
+ }
+}
+
+// Modifier key presses don't count as 'real' key presses for the
+// purpose of keymap fallthrough.
+function isModifierKey(value) {
+ var name = typeof value == "string" ? value : keyNames[value.keyCode];
+ return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
+}
+
+function addModifierNames(name, event, noShift) {
+ var base = name;
+ if (event.altKey && base != "Alt") { name = "Alt-" + name; }
+ if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
+ if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }
+ if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
+ return name
+}
+
+// Look up the name of a key as indicated by an event object.
+function keyName(event, noShift) {
+ if (presto && event.keyCode == 34 && event["char"]) { return false }
+ var name = keyNames[event.keyCode];
+ if (name == null || event.altGraphKey) { return false }
+ return addModifierNames(name, event, noShift)
+}
+
+function getKeyMap(val) {
+ return typeof val == "string" ? keyMap[val] : val
+}
+
+// Helper for deleting text near the selection(s), used to implement
+// backspace, delete, and similar functionality.
+function deleteNearSelection(cm, compute) {
+ var ranges = cm.doc.sel.ranges, kill = [];
+ // Build up a set of ranges to kill first, merging overlapping
+ // ranges.
+ for (var i = 0; i < ranges.length; i++) {
+ var toKill = compute(ranges[i]);
+ while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
+ var replaced = kill.pop();
+ if (cmp(replaced.from, toKill.from) < 0) {
+ toKill.from = replaced.from;
+ break
+ }
+ }
+ kill.push(toKill);
+ }
+ // Next, remove those actual ranges.
+ runInOp(cm, function () {
+ for (var i = kill.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
+ ensureCursorVisible(cm);
+ });
+}
+
+function moveCharLogically(line, ch, dir) {
+ var target = skipExtendingChars(line.text, ch + dir, dir);
+ return target < 0 || target > line.text.length ? null : target
+}
+
+function moveLogically(line, start, dir) {
+ var ch = moveCharLogically(line, start.ch, dir);
+ return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+}
+
+function endOfLine(visually, cm, lineObj, lineNo, dir) {
+ if (visually) {
+ var order = getOrder(lineObj, cm.doc.direction);
+ if (order) {
+ var part = dir < 0 ? lst(order) : order[0];
+ var moveInStorageOrder = (dir < 0) == (part.level == 1);
+ var sticky = moveInStorageOrder ? "after" : "before";
+ var ch;
+ // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+ // it could be that the last bidi part is not on the last visual line,
+ // since visual lines contain content order-consecutive chunks.
+ // Thus, in rtl, we are looking for the first (content-order) character
+ // in the rtl chunk that is on the last line (that is, the same line
+ // as the last (content-order) character).
+ if (part.level > 0 || cm.doc.direction == "rtl") {
+ var prep = prepareMeasureForLine(cm, lineObj);
+ ch = dir < 0 ? lineObj.text.length - 1 : 0;
+ var targetTop = measureCharPrepared(cm, prep, ch).top;
+ ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
+ if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
+ } else { ch = dir < 0 ? part.to : part.from; }
+ return new Pos(lineNo, ch, sticky)
+ }
+ }
+ return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+}
+
+function moveVisually(cm, line, start, dir) {
+ var bidi = getOrder(line, cm.doc.direction);
+ if (!bidi) { return moveLogically(line, start, dir) }
+ if (start.ch >= line.text.length) {
+ start.ch = line.text.length;
+ start.sticky = "before";
+ } else if (start.ch <= 0) {
+ start.ch = 0;
+ start.sticky = "after";
+ }
+ var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
+ if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+ // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+ // nothing interesting happens.
+ return moveLogically(line, start, dir)
+ }
+
+ var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
+ var prep;
+ var getWrappedLineExtent = function (ch) {
+ if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
+ prep = prep || prepareMeasureForLine(cm, line);
+ return wrappedLineExtentChar(cm, line, prep, ch)
+ };
+ var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
+
+ if (cm.doc.direction == "rtl" || part.level == 1) {
+ var moveInStorageOrder = (part.level == 1) == (dir < 0);
+ var ch = mv(start, moveInStorageOrder ? 1 : -1);
+ if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
+ // Case 2: We move within an rtl part or in an rtl editor on the same visual line
+ var sticky = moveInStorageOrder ? "before" : "after";
+ return new Pos(start.line, ch, sticky)
+ }
+ }
+
+ // Case 3: Could not move within this bidi part in this visual line, so leave
+ // the current bidi part
+
+ var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
+ var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
+ ? new Pos(start.line, mv(ch, 1), "before")
+ : new Pos(start.line, ch, "after"); };
+
+ for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
+ var part = bidi[partPos];
+ var moveInStorageOrder = (dir > 0) == (part.level != 1);
+ var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
+ if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
+ ch = moveInStorageOrder ? part.from : mv(part.to, -1);
+ if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
+ }
+ };
+
+ // Case 3a: Look for other bidi parts on the same visual line
+ var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
+ if (res) { return res }
+
+ // Case 3b: Look for other bidi parts on the next visual line
+ var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
+ if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
+ res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
+ if (res) { return res }
+ }
+
+ // Case 4: Nowhere to move
+ return null
+}
+
+// Commands are parameter-less actions that can be performed on an
+// editor, mostly used for keybindings.
+var commands = {
+ selectAll: selectAll,
+ singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
+ killLine: function (cm) { return deleteNearSelection(cm, function (range) {
+ if (range.empty()) {
+ var len = getLine(cm.doc, range.head.line).text.length;
+ if (range.head.ch == len && range.head.line < cm.lastLine())
+ { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
+ else
+ { return {from: range.head, to: Pos(range.head.line, len)} }
+ } else {
+ return {from: range.from(), to: range.to()}
+ }
+ }); },
+ deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0),
+ to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
+ }); }); },
+ delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0), to: range.from()
+ }); }); },
+ delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var leftPos = cm.coordsChar({left: 0, top: top}, "div");
+ return {from: leftPos, to: range.from()}
+ }); },
+ delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
+ return {from: range.from(), to: rightPos }
+ }); },
+ undo: function (cm) { return cm.undo(); },
+ redo: function (cm) { return cm.redo(); },
+ undoSelection: function (cm) { return cm.undoSelection(); },
+ redoSelection: function (cm) { return cm.redoSelection(); },
+ goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
+ goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
+ goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
+ {origin: "+move", bias: -1}
+ ); },
+ goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
+ }, sel_move); },
+ goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: 0, top: top}, "div")
+ }, sel_move); },
+ goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ var pos = cm.coordsChar({left: 0, top: top}, "div");
+ if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
+ return pos
+ }, sel_move); },
+ goLineUp: function (cm) { return cm.moveV(-1, "line"); },
+ goLineDown: function (cm) { return cm.moveV(1, "line"); },
+ goPageUp: function (cm) { return cm.moveV(-1, "page"); },
+ goPageDown: function (cm) { return cm.moveV(1, "page"); },
+ goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
+ goCharRight: function (cm) { return cm.moveH(1, "char"); },
+ goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
+ goColumnRight: function (cm) { return cm.moveH(1, "column"); },
+ goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
+ goGroupRight: function (cm) { return cm.moveH(1, "group"); },
+ goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
+ goWordRight: function (cm) { return cm.moveH(1, "word"); },
+ delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
+ delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
+ delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
+ delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
+ delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
+ delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
+ indentAuto: function (cm) { return cm.indentSelection("smart"); },
+ indentMore: function (cm) { return cm.indentSelection("add"); },
+ indentLess: function (cm) { return cm.indentSelection("subtract"); },
+ insertTab: function (cm) { return cm.replaceSelection("\t"); },
+ insertSoftTab: function (cm) {
+ var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
+ for (var i = 0; i < ranges.length; i++) {
+ var pos = ranges[i].from();
+ var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
+ spaces.push(spaceStr(tabSize - col % tabSize));
+ }
+ cm.replaceSelections(spaces);
+ },
+ defaultTab: function (cm) {
+ if (cm.somethingSelected()) { cm.indentSelection("add"); }
+ else { cm.execCommand("insertTab"); }
+ },
+ // Swap the two chars left and right of each selection's head.
+ // Move cursor behind the two swapped characters afterwards.
+ //
+ // Doesn't consider line feeds a character.
+ // Doesn't scan more than one line above to find a character.
+ // Doesn't do anything on an empty line.
+ // Doesn't do anything with non-empty selections.
+ transposeChars: function (cm) { return runInOp(cm, function () {
+ var ranges = cm.listSelections(), newSel = [];
+ for (var i = 0; i < ranges.length; i++) {
+ if (!ranges[i].empty()) { continue }
+ var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
+ if (line) {
+ if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
+ if (cur.ch > 0) {
+ cur = new Pos(cur.line, cur.ch + 1);
+ cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
+ Pos(cur.line, cur.ch - 2), cur, "+transpose");
+ } else if (cur.line > cm.doc.first) {
+ var prev = getLine(cm.doc, cur.line - 1).text;
+ if (prev) {
+ cur = new Pos(cur.line, 1);
+ cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
+ prev.charAt(prev.length - 1),
+ Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
+ }
+ }
+ }
+ newSel.push(new Range(cur, cur));
+ }
+ cm.setSelections(newSel);
+ }); },
+ newlineAndIndent: function (cm) { return runInOp(cm, function () {
+ var sels = cm.listSelections();
+ for (var i = sels.length - 1; i >= 0; i--)
+ { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
+ sels = cm.listSelections();
+ for (var i$1 = 0; i$1 < sels.length; i$1++)
+ { cm.indentLine(sels[i$1].from().line, null, true); }
+ ensureCursorVisible(cm);
+ }); },
+ openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
+ toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
+};
+
+
+function lineStart(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLine(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, visual, lineN, 1)
+}
+function lineEnd(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLineEnd(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, line, lineN, -1)
+}
+function lineStartSmart(cm, pos) {
+ var start = lineStart(cm, pos.line);
+ var line = getLine(cm.doc, start.line);
+ var order = getOrder(line, cm.doc.direction);
+ if (!order || order[0].level == 0) {
+ var firstNonWS = Math.max(0, line.text.search(/\S/));
+ var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
+ return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
+ }
+ return start
+}
+
+// Run a handler that was bound to a key.
+function doHandleBinding(cm, bound, dropShift) {
+ if (typeof bound == "string") {
+ bound = commands[bound];
+ if (!bound) { return false }
+ }
+ // Ensure previous input has been read, so that the handler sees a
+ // consistent view of the document
+ cm.display.input.ensurePolled();
+ var prevShift = cm.display.shift, done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ if (dropShift) { cm.display.shift = false; }
+ done = bound(cm) != Pass;
+ } finally {
+ cm.display.shift = prevShift;
+ cm.state.suppressEdits = false;
+ }
+ return done
+}
+
+function lookupKeyForEditor(cm, name, handle) {
+ for (var i = 0; i < cm.state.keyMaps.length; i++) {
+ var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
+ if (result) { return result }
+ }
+ return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
+ || lookupKey(name, cm.options.keyMap, handle, cm)
+}
+
+// Note that, despite the name, this function is also used to check
+// for bound mouse clicks.
+
+var stopSeq = new Delayed;
+function dispatchKey(cm, name, e, handle) {
+ var seq = cm.state.keySeq;
+ if (seq) {
+ if (isModifierKey(name)) { return "handled" }
+ stopSeq.set(50, function () {
+ if (cm.state.keySeq == seq) {
+ cm.state.keySeq = null;
+ cm.display.input.reset();
+ }
+ });
+ name = seq + " " + name;
+ }
+ var result = lookupKeyForEditor(cm, name, handle);
+
+ if (result == "multi")
+ { cm.state.keySeq = name; }
+ if (result == "handled")
+ { signalLater(cm, "keyHandled", cm, name, e); }
+
+ if (result == "handled" || result == "multi") {
+ e_preventDefault(e);
+ restartBlink(cm);
+ }
+
+ if (seq && !result && /\'$/.test(name)) {
+ e_preventDefault(e);
+ return true
+ }
+ return !!result
+}
+
+// Handle a key from the keydown event.
+function handleKeyBinding(cm, e) {
+ var name = keyName(e, true);
+ if (!name) { return false }
+
+ if (e.shiftKey && !cm.state.keySeq) {
+ // First try to resolve full name (including 'Shift-'). Failing
+ // that, see if there is a cursor-motion command (starting with
+ // 'go') bound to the keyname without 'Shift-'.
+ return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
+ || dispatchKey(cm, name, e, function (b) {
+ if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
+ { return doHandleBinding(cm, b) }
+ })
+ } else {
+ return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
+ }
+}
+
+// Handle a key from the keypress event
+function handleCharBinding(cm, e, ch) {
+ return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
+}
+
+var lastStoppedKey = null;
+function onKeyDown(e) {
+ var cm = this;
+ cm.curOp.focus = activeElt();
+ if (signalDOMEvent(cm, e)) { return }
+ // IE does strange things with escape.
+ if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
+ var code = e.keyCode;
+ cm.display.shift = code == 16 || e.shiftKey;
+ var handled = handleKeyBinding(cm, e);
+ if (presto) {
+ lastStoppedKey = handled ? code : null;
+ // Opera has no cut event... we try to at least catch the key combo
+ if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
+ { cm.replaceSelection("", null, "cut"); }
+ }
+
+ // Turn mouse into crosshair when Alt is held on Mac.
+ if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
+ { showCrossHair(cm); }
+}
+
+function showCrossHair(cm) {
+ var lineDiv = cm.display.lineDiv;
+ addClass(lineDiv, "CodeMirror-crosshair");
+
+ function up(e) {
+ if (e.keyCode == 18 || !e.altKey) {
+ rmClass(lineDiv, "CodeMirror-crosshair");
+ off(document, "keyup", up);
+ off(document, "mouseover", up);
+ }
+ }
+ on(document, "keyup", up);
+ on(document, "mouseover", up);
+}
+
+function onKeyUp(e) {
+ if (e.keyCode == 16) { this.doc.sel.shift = false; }
+ signalDOMEvent(this, e);
+}
+
+function onKeyPress(e) {
+ var cm = this;
+ if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
+ var keyCode = e.keyCode, charCode = e.charCode;
+ if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
+ if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
+ var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+ // Some browsers fire keypress events for backspace
+ if (ch == "\x08") { return }
+ if (handleCharBinding(cm, e, ch)) { return }
+ cm.display.input.onKeyPress(e);
+}
+
+var DOUBLECLICK_DELAY = 400;
+
+var PastClick = function(time, pos, button) {
+ this.time = time;
+ this.pos = pos;
+ this.button = button;
+};
+
+PastClick.prototype.compare = function (time, pos, button) {
+ return this.time + DOUBLECLICK_DELAY > time &&
+ cmp(pos, this.pos) == 0 && button == this.button
+};
+
+var lastClick;
+var lastDoubleClick;
+function clickRepeat(pos, button) {
+ var now = +new Date;
+ if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
+ lastClick = lastDoubleClick = null;
+ return "triple"
+ } else if (lastClick && lastClick.compare(now, pos, button)) {
+ lastDoubleClick = new PastClick(now, pos, button);
+ lastClick = null;
+ return "double"
+ } else {
+ lastClick = new PastClick(now, pos, button);
+ lastDoubleClick = null;
+ return "single"
+ }
+}
+
+// A mouse down can be a single click, double click, triple click,
+// start of selection drag, start of text drag, new cursor
+// (ctrl-click), rectangle drag (alt-drag), or xwin
+// middle-click-paste. Or it might be a click on something we should
+// not interfere with, such as a scrollbar or widget.
+function onMouseDown(e) {
+ var cm = this, display = cm.display;
+ if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
+ display.input.ensurePolled();
+ display.shift = e.shiftKey;
+
+ if (eventInWidget(display, e)) {
+ if (!webkit) {
+ // Briefly turn off draggability, to allow widgets to do
+ // normal dragging things.
+ display.scroller.draggable = false;
+ setTimeout(function () { return display.scroller.draggable = true; }, 100);
+ }
+ return
+ }
+ if (clickInGutter(cm, e)) { return }
+ var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
+ window.focus();
+
+ // #3261: make sure, that we're not starting a second selection
+ if (button == 1 && cm.state.selectingText)
+ { cm.state.selectingText(e); }
+
+ if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }
+
+ if (button == 1) {
+ if (pos) { leftButtonDown(cm, pos, repeat, e); }
+ else if (e_target(e) == display.scroller) { e_preventDefault(e); }
+ } else if (button == 2) {
+ if (pos) { extendSelection(cm.doc, pos); }
+ setTimeout(function () { return display.input.focus(); }, 20);
+ } else if (button == 3) {
+ if (captureRightClick) { onContextMenu(cm, e); }
+ else { delayBlurEvent(cm); }
+ }
+}
+
+function handleMappedButton(cm, button, pos, repeat, event) {
+ var name = "Click";
+ if (repeat == "double") { name = "Double" + name; }
+ else if (repeat == "triple") { name = "Triple" + name; }
+ name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
+
+ return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {
+ if (typeof bound == "string") { bound = commands[bound]; }
+ if (!bound) { return false }
+ var done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ done = bound(cm, pos) != Pass;
+ } finally {
+ cm.state.suppressEdits = false;
+ }
+ return done
+ })
+}
+
+function configureMouse(cm, repeat, event) {
+ var option = cm.getOption("configureMouse");
+ var value = option ? option(cm, repeat, event) : {};
+ if (value.unit == null) {
+ var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
+ value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
+ }
+ if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
+ if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
+ if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
+ return value
+}
+
+function leftButtonDown(cm, pos, repeat, event) {
+ if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
+ else { cm.curOp.focus = activeElt(); }
+
+ var behavior = configureMouse(cm, repeat, event);
+
+ var sel = cm.doc.sel, contained;
+ if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
+ repeat == "single" && (contained = sel.contains(pos)) > -1 &&
+ (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
+ (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
+ { leftButtonStartDrag(cm, event, pos, behavior); }
+ else
+ { leftButtonSelect(cm, event, pos, behavior); }
+}
+
+// Start a text drag. When it ends, see if any dragging actually
+// happen, and treat as a click if it didn't.
+function leftButtonStartDrag(cm, event, pos, behavior) {
+ var display = cm.display, moved = false;
+ var dragEnd = operation(cm, function (e) {
+ if (webkit) { display.scroller.draggable = false; }
+ cm.state.draggingText = false;
+ off(document, "mouseup", dragEnd);
+ off(document, "mousemove", mouseMove);
+ off(display.scroller, "dragstart", dragStart);
+ off(display.scroller, "drop", dragEnd);
+ if (!moved) {
+ e_preventDefault(e);
+ if (!behavior.addNew)
+ { extendSelection(cm.doc, pos, null, null, behavior.extend); }
+ // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
+ if (webkit || ie && ie_version == 9)
+ { setTimeout(function () {document.body.focus(); display.input.focus();}, 20); }
+ else
+ { display.input.focus(); }
+ }
+ });
+ var mouseMove = function(e2) {
+ moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
+ };
+ var dragStart = function () { return moved = true; };
+ // Let the drag handler handle this.
+ if (webkit) { display.scroller.draggable = true; }
+ cm.state.draggingText = dragEnd;
+ dragEnd.copy = !behavior.moveOnDrag;
+ // IE's approach to draggable
+ if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
+ on(document, "mouseup", dragEnd);
+ on(document, "mousemove", mouseMove);
+ on(display.scroller, "dragstart", dragStart);
+ on(display.scroller, "drop", dragEnd);
+
+ delayBlurEvent(cm);
+ setTimeout(function () { return display.input.focus(); }, 20);
+}
+
+function rangeForUnit(cm, pos, unit) {
+ if (unit == "char") { return new Range(pos, pos) }
+ if (unit == "word") { return cm.findWordAt(pos) }
+ if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
+ var result = unit(cm, pos);
+ return new Range(result.from, result.to)
+}
+
+// Normal selection, as opposed to text dragging.
+function leftButtonSelect(cm, event, start, behavior) {
+ var display = cm.display, doc = cm.doc;
+ e_preventDefault(event);
+
+ var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
+ if (behavior.addNew && !behavior.extend) {
+ ourIndex = doc.sel.contains(start);
+ if (ourIndex > -1)
+ { ourRange = ranges[ourIndex]; }
+ else
+ { ourRange = new Range(start, start); }
+ } else {
+ ourRange = doc.sel.primary();
+ ourIndex = doc.sel.primIndex;
+ }
+
+ if (behavior.unit == "rectangle") {
+ if (!behavior.addNew) { ourRange = new Range(start, start); }
+ start = posFromMouse(cm, event, true, true);
+ ourIndex = -1;
+ } else {
+ var range$$1 = rangeForUnit(cm, start, behavior.unit);
+ if (behavior.extend)
+ { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }
+ else
+ { ourRange = range$$1; }
+ }
+
+ if (!behavior.addNew) {
+ ourIndex = 0;
+ setSelection(doc, new Selection([ourRange], 0), sel_mouse);
+ startSel = doc.sel;
+ } else if (ourIndex == -1) {
+ ourIndex = ranges.length;
+ setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
+ {scroll: false, origin: "*mouse"});
+ } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
+ setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
+ {scroll: false, origin: "*mouse"});
+ startSel = doc.sel;
+ } else {
+ replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
+ }
+
+ var lastPos = start;
+ function extendTo(pos) {
+ if (cmp(lastPos, pos) == 0) { return }
+ lastPos = pos;
+
+ if (behavior.unit == "rectangle") {
+ var ranges = [], tabSize = cm.options.tabSize;
+ var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
+ var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
+ var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
+ for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
+ line <= end; line++) {
+ var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
+ if (left == right)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
+ else if (text.length > leftPos)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
+ }
+ if (!ranges.length) { ranges.push(new Range(start, start)); }
+ setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
+ {origin: "*mouse", scroll: false});
+ cm.scrollIntoView(pos);
+ } else {
+ var oldRange = ourRange;
+ var range$$1 = rangeForUnit(cm, pos, behavior.unit);
+ var anchor = oldRange.anchor, head;
+ if (cmp(range$$1.anchor, anchor) > 0) {
+ head = range$$1.head;
+ anchor = minPos(oldRange.from(), range$$1.anchor);
+ } else {
+ head = range$$1.anchor;
+ anchor = maxPos(oldRange.to(), range$$1.head);
+ }
+ var ranges$1 = startSel.ranges.slice(0);
+ ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
+ setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse);
+ }
+ }
+
+ var editorSize = display.wrapper.getBoundingClientRect();
+ // Used to ensure timeout re-tries don't fire when another extend
+ // happened in the meantime (clearTimeout isn't reliable -- at
+ // least on Chrome, the timeouts still happen even when cleared,
+ // if the clear happens after their scheduled firing time).
+ var counter = 0;
+
+ function extend(e) {
+ var curCount = ++counter;
+ var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
+ if (!cur) { return }
+ if (cmp(cur, lastPos) != 0) {
+ cm.curOp.focus = activeElt();
+ extendTo(cur);
+ var visible = visibleLines(display, doc);
+ if (cur.line >= visible.to || cur.line < visible.from)
+ { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
+ } else {
+ var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+ if (outside) { setTimeout(operation(cm, function () {
+ if (counter != curCount) { return }
+ display.scroller.scrollTop += outside;
+ extend(e);
+ }), 50); }
+ }
+ }
+
+ function done(e) {
+ cm.state.selectingText = false;
+ counter = Infinity;
+ e_preventDefault(e);
+ display.input.focus();
+ off(document, "mousemove", move);
+ off(document, "mouseup", up);
+ doc.history.lastSelOrigin = null;
+ }
+
+ var move = operation(cm, function (e) {
+ if (!e_button(e)) { done(e); }
+ else { extend(e); }
+ });
+ var up = operation(cm, done);
+ cm.state.selectingText = up;
+ on(document, "mousemove", move);
+ on(document, "mouseup", up);
+}
+
+// Used when mouse-selecting to adjust the anchor to the proper side
+// of a bidi jump depending on the visual position of the head.
+function bidiSimplify(cm, range$$1) {
+ var anchor = range$$1.anchor;
+ var head = range$$1.head;
+ var anchorLine = getLine(cm.doc, anchor.line);
+ if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }
+ var order = getOrder(anchorLine);
+ if (!order) { return range$$1 }
+ var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
+ if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }
+ var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
+ if (boundary == 0 || boundary == order.length) { return range$$1 }
+
+ // Compute the relative visual position of the head compared to the
+ // anchor (<0 is to the left, >0 to the right)
+ var leftSide;
+ if (head.line != anchor.line) {
+ leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
+ } else {
+ var headIndex = getBidiPartAt(order, head.ch, head.sticky);
+ var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
+ if (headIndex == boundary - 1 || headIndex == boundary)
+ { leftSide = dir < 0; }
+ else
+ { leftSide = dir > 0; }
+ }
+
+ var usePart = order[boundary + (leftSide ? -1 : 0)];
+ var from = leftSide == (usePart.level == 1);
+ var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
+ return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)
+}
+
+
+// Determines whether an event happened in the gutter, and fires the
+// handlers for the corresponding event.
+function gutterEvent(cm, e, type, prevent) {
+ var mX, mY;
+ if (e.touches) {
+ mX = e.touches[0].clientX;
+ mY = e.touches[0].clientY;
+ } else {
+ try { mX = e.clientX; mY = e.clientY; }
+ catch(e) { return false }
+ }
+ if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
+ if (prevent) { e_preventDefault(e); }
+
+ var display = cm.display;
+ var lineBox = display.lineDiv.getBoundingClientRect();
+
+ if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
+ mY -= lineBox.top - display.viewOffset;
+
+ for (var i = 0; i < cm.options.gutters.length; ++i) {
+ var g = display.gutters.childNodes[i];
+ if (g && g.getBoundingClientRect().right >= mX) {
+ var line = lineAtHeight(cm.doc, mY);
+ var gutter = cm.options.gutters[i];
+ signal(cm, type, cm, line, gutter, e);
+ return e_defaultPrevented(e)
+ }
+ }
+}
+
+function clickInGutter(cm, e) {
+ return gutterEvent(cm, e, "gutterClick", true)
+}
+
+// CONTEXT MENU HANDLING
+
+// To make the context menu work, we need to briefly unhide the
+// textarea (making it as unobtrusive as possible) to let the
+// right-click take effect on it.
+function onContextMenu(cm, e) {
+ if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
+ if (signalDOMEvent(cm, e, "contextmenu")) { return }
+ cm.display.input.onContextMenu(e);
+}
+
+function contextMenuInGutter(cm, e) {
+ if (!hasHandler(cm, "gutterContextMenu")) { return false }
+ return gutterEvent(cm, e, "gutterContextMenu", false)
+}
+
+function themeChanged(cm) {
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+ cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+ clearCaches(cm);
+}
+
+var Init = {toString: function(){return "CodeMirror.Init"}};
+
+var defaults = {};
+var optionHandlers = {};
+
+function defineOptions(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
+
+ function option(name, deflt, handle, notOnInit) {
+ CodeMirror.defaults[name] = deflt;
+ if (handle) { optionHandlers[name] =
+ notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
+ }
+
+ CodeMirror.defineOption = option;
+
+ // Passed to option handlers when there is no old value.
+ CodeMirror.Init = Init;
+
+ // These two are, on init, called from the constructor because they
+ // have to be initialized before the editor can start at all.
+ option("value", "", function (cm, val) { return cm.setValue(val); }, true);
+ option("mode", null, function (cm, val) {
+ cm.doc.modeOption = val;
+ loadMode(cm);
+ }, true);
+
+ option("indentUnit", 2, loadMode, true);
+ option("indentWithTabs", false);
+ option("smartIndent", true);
+ option("tabSize", 4, function (cm) {
+ resetModeState(cm);
+ clearCaches(cm);
+ regChange(cm);
+ }, true);
+ option("lineSeparator", null, function (cm, val) {
+ cm.doc.lineSep = val;
+ if (!val) { return }
+ var newBreaks = [], lineNo = cm.doc.first;
+ cm.doc.iter(function (line) {
+ for (var pos = 0;;) {
+ var found = line.text.indexOf(val, pos);
+ if (found == -1) { break }
+ pos = found + val.length;
+ newBreaks.push(Pos(lineNo, found));
+ }
+ lineNo++;
+ });
+ for (var i = newBreaks.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
+ });
+ option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) {
+ cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
+ if (old != Init) { cm.refresh(); }
+ });
+ option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
+ option("electricChars", true);
+ option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
+ throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
+ }, true);
+ option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
+ option("rtlMoveVisually", !windows);
+ option("wholeLineUpdateBefore", true);
+
+ option("theme", "default", function (cm) {
+ themeChanged(cm);
+ guttersChanged(cm);
+ }, true);
+ option("keyMap", "default", function (cm, val, old) {
+ var next = getKeyMap(val);
+ var prev = old != Init && getKeyMap(old);
+ if (prev && prev.detach) { prev.detach(cm, next); }
+ if (next.attach) { next.attach(cm, prev || null); }
+ });
+ option("extraKeys", null);
+ option("configureMouse", null);
+
+ option("lineWrapping", false, wrappingChanged, true);
+ option("gutters", [], function (cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("fixedGutter", true, function (cm, val) {
+ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
+ cm.refresh();
+ }, true);
+ option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
+ option("scrollbarStyle", "native", function (cm) {
+ initScrollbars(cm);
+ updateScrollbars(cm);
+ cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
+ cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
+ }, true);
+ option("lineNumbers", false, function (cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("firstLineNumber", 1, guttersChanged, true);
+ option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true);
+ option("showCursorWhenSelecting", false, updateSelection, true);
+
+ option("resetSelectionOnContextMenu", true);
+ option("lineWiseCopyCut", true);
+ option("pasteLinesPerSelection", true);
+
+ option("readOnly", false, function (cm, val) {
+ if (val == "nocursor") {
+ onBlur(cm);
+ cm.display.input.blur();
+ }
+ cm.display.input.readOnlyChanged(val);
+ });
+ option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
+ option("dragDrop", true, dragDropChanged);
+ option("allowDropFileTypes", null);
+
+ option("cursorBlinkRate", 530);
+ option("cursorScrollMargin", 0);
+ option("cursorHeight", 1, updateSelection, true);
+ option("singleCursorHeightPerLine", true, updateSelection, true);
+ option("workTime", 100);
+ option("workDelay", 100);
+ option("flattenSpans", true, resetModeState, true);
+ option("addModeClass", false, resetModeState, true);
+ option("pollInterval", 100);
+ option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
+ option("historyEventDelay", 1250);
+ option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
+ option("maxHighlightLength", 10000, resetModeState, true);
+ option("moveInputWithCursor", true, function (cm, val) {
+ if (!val) { cm.display.input.resetPosition(); }
+ });
+
+ option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
+ option("autofocus", null);
+ option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
+}
+
+function guttersChanged(cm) {
+ updateGutters(cm);
+ regChange(cm);
+ alignHorizontally(cm);
+}
+
+function dragDropChanged(cm, value, old) {
+ var wasOn = old && old != Init;
+ if (!value != !wasOn) {
+ var funcs = cm.display.dragFunctions;
+ var toggle = value ? on : off;
+ toggle(cm.display.scroller, "dragstart", funcs.start);
+ toggle(cm.display.scroller, "dragenter", funcs.enter);
+ toggle(cm.display.scroller, "dragover", funcs.over);
+ toggle(cm.display.scroller, "dragleave", funcs.leave);
+ toggle(cm.display.scroller, "drop", funcs.drop);
+ }
+}
+
+function wrappingChanged(cm) {
+ if (cm.options.lineWrapping) {
+ addClass(cm.display.wrapper, "CodeMirror-wrap");
+ cm.display.sizer.style.minWidth = "";
+ cm.display.sizerWidth = null;
+ } else {
+ rmClass(cm.display.wrapper, "CodeMirror-wrap");
+ findMaxLine(cm);
+ }
+ estimateLineHeights(cm);
+ regChange(cm);
+ clearCaches(cm);
+ setTimeout(function () { return updateScrollbars(cm); }, 100);
+}
+
+// A CodeMirror instance represents an editor. This is the object
+// that user code is usually dealing with.
+
+function CodeMirror$1(place, options) {
+ var this$1 = this;
+
+ if (!(this instanceof CodeMirror$1)) { return new CodeMirror$1(place, options) }
+
+ this.options = options = options ? copyObj(options) : {};
+ // Determine effective options based on given values and defaults.
+ copyObj(defaults, options, false);
+ setGuttersForLineNumbers(options);
+
+ var doc = options.value;
+ if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
+ this.doc = doc;
+
+ var input = new CodeMirror$1.inputStyles[options.inputStyle](this);
+ var display = this.display = new Display(place, doc, input);
+ display.wrapper.CodeMirror = this;
+ updateGutters(this);
+ themeChanged(this);
+ if (options.lineWrapping)
+ { this.display.wrapper.className += " CodeMirror-wrap"; }
+ initScrollbars(this);
+
+ this.state = {
+ keyMaps: [], // stores maps added by addKeyMap
+ overlays: [], // highlighting overlays, as added by addOverlay
+ modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
+ overwrite: false,
+ delayingBlurEvent: false,
+ focused: false,
+ suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
+ pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
+ selectingText: false,
+ draggingText: false,
+ highlight: new Delayed(), // stores highlight worker timeout
+ keySeq: null, // Unfinished key sequence
+ specialChars: null
+ };
+
+ if (options.autofocus && !mobile) { display.input.focus(); }
+
+ // Override magic textarea content restore that IE sometimes does
+ // on our hidden textarea on reload
+ if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }
+
+ registerEventHandlers(this);
+ ensureGlobalHandlers();
+
+ startOperation(this);
+ this.curOp.forceUpdate = true;
+ attachDoc(this, doc);
+
+ if ((options.autofocus && !mobile) || this.hasFocus())
+ { setTimeout(bind(onFocus, this), 20); }
+ else
+ { onBlur(this); }
+
+ for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
+ { optionHandlers[opt](this$1, options[opt], Init); } }
+ maybeUpdateLineNumberWidth(this);
+ if (options.finishInit) { options.finishInit(this); }
+ for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }
+ endOperation(this);
+ // Suppress optimizelegibility in Webkit, since it breaks text
+ // measuring on line wrapping boundaries.
+ if (webkit && options.lineWrapping &&
+ getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
+ { display.lineDiv.style.textRendering = "auto"; }
+}
+
+// The default configuration options.
+CodeMirror$1.defaults = defaults;
+// Functions to run when options are changed.
+CodeMirror$1.optionHandlers = optionHandlers;
+
+// Attach the necessary event handlers when initializing the editor
+function registerEventHandlers(cm) {
+ var d = cm.display;
+ on(d.scroller, "mousedown", operation(cm, onMouseDown));
+ // Older IE's will not fire a second mousedown for a double click
+ if (ie && ie_version < 11)
+ { on(d.scroller, "dblclick", operation(cm, function (e) {
+ if (signalDOMEvent(cm, e)) { return }
+ var pos = posFromMouse(cm, e);
+ if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
+ e_preventDefault(e);
+ var word = cm.findWordAt(pos);
+ extendSelection(cm.doc, word.anchor, word.head);
+ })); }
+ else
+ { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
+ // Some browsers fire contextmenu *after* opening the menu, at
+ // which point we can't mess with it anymore. Context menu is
+ // handled in onMouseDown for these browsers.
+ if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); }
+
+ // Used to suppress mouse event handling when a touch happens
+ var touchFinished, prevTouch = {end: 0};
+ function finishTouch() {
+ if (d.activeTouch) {
+ touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
+ prevTouch = d.activeTouch;
+ prevTouch.end = +new Date;
+ }
+ }
+ function isMouseLikeTouchEvent(e) {
+ if (e.touches.length != 1) { return false }
+ var touch = e.touches[0];
+ return touch.radiusX <= 1 && touch.radiusY <= 1
+ }
+ function farAway(touch, other) {
+ if (other.left == null) { return true }
+ var dx = other.left - touch.left, dy = other.top - touch.top;
+ return dx * dx + dy * dy > 20 * 20
+ }
+ on(d.scroller, "touchstart", function (e) {
+ if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
+ d.input.ensurePolled();
+ clearTimeout(touchFinished);
+ var now = +new Date;
+ d.activeTouch = {start: now, moved: false,
+ prev: now - prevTouch.end <= 300 ? prevTouch : null};
+ if (e.touches.length == 1) {
+ d.activeTouch.left = e.touches[0].pageX;
+ d.activeTouch.top = e.touches[0].pageY;
+ }
+ }
+ });
+ on(d.scroller, "touchmove", function () {
+ if (d.activeTouch) { d.activeTouch.moved = true; }
+ });
+ on(d.scroller, "touchend", function (e) {
+ var touch = d.activeTouch;
+ if (touch && !eventInWidget(d, e) && touch.left != null &&
+ !touch.moved && new Date - touch.start < 300) {
+ var pos = cm.coordsChar(d.activeTouch, "page"), range;
+ if (!touch.prev || farAway(touch, touch.prev)) // Single tap
+ { range = new Range(pos, pos); }
+ else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
+ { range = cm.findWordAt(pos); }
+ else // Triple tap
+ { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
+ cm.setSelection(range.anchor, range.head);
+ cm.focus();
+ e_preventDefault(e);
+ }
+ finishTouch();
+ });
+ on(d.scroller, "touchcancel", finishTouch);
+
+ // Sync scrolling between fake scrollbars and real scrollable
+ // area, ensure viewport is updated when scrolling.
+ on(d.scroller, "scroll", function () {
+ if (d.scroller.clientHeight) {
+ updateScrollTop(cm, d.scroller.scrollTop);
+ setScrollLeft(cm, d.scroller.scrollLeft, true);
+ signal(cm, "scroll", cm);
+ }
+ });
+
+ // Listen to wheel events in order to try and update the viewport on time.
+ on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
+ on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });
+
+ // Prevent wrapper from ever scrolling
+ on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
+
+ d.dragFunctions = {
+ enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
+ over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
+ start: function (e) { return onDragStart(cm, e); },
+ drop: operation(cm, onDrop),
+ leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
+ };
+
+ var inp = d.input.getField();
+ on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
+ on(inp, "keydown", operation(cm, onKeyDown));
+ on(inp, "keypress", operation(cm, onKeyPress));
+ on(inp, "focus", function (e) { return onFocus(cm, e); });
+ on(inp, "blur", function (e) { return onBlur(cm, e); });
+}
+
+var initHooks = [];
+CodeMirror$1.defineInitHook = function (f) { return initHooks.push(f); };
+
+// Indent the given line. The how parameter can be "smart",
+// "add"/null, "subtract", or "prev". When aggressive is false
+// (typically set to true for forced single-line indents), empty
+// lines are not indented, and places where the mode returns Pass
+// are left alone.
+function indentLine(cm, n, how, aggressive) {
+ var doc = cm.doc, state;
+ if (how == null) { how = "add"; }
+ if (how == "smart") {
+ // Fall back to "prev" when the mode doesn't have an indentation
+ // method.
+ if (!doc.mode.indent) { how = "prev"; }
+ else { state = getContextBefore(cm, n).state; }
+ }
+
+ var tabSize = cm.options.tabSize;
+ var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+ if (line.stateAfter) { line.stateAfter = null; }
+ var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+ if (!aggressive && !/\S/.test(line.text)) {
+ indentation = 0;
+ how = "not";
+ } else if (how == "smart") {
+ indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+ if (indentation == Pass || indentation > 150) {
+ if (!aggressive) { return }
+ how = "prev";
+ }
+ }
+ if (how == "prev") {
+ if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
+ else { indentation = 0; }
+ } else if (how == "add") {
+ indentation = curSpace + cm.options.indentUnit;
+ } else if (how == "subtract") {
+ indentation = curSpace - cm.options.indentUnit;
+ } else if (typeof how == "number") {
+ indentation = curSpace + how;
+ }
+ indentation = Math.max(0, indentation);
+
+ var indentString = "", pos = 0;
+ if (cm.options.indentWithTabs)
+ { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
+ if (pos < indentation) { indentString += spaceStr(indentation - pos); }
+
+ if (indentString != curSpaceString) {
+ replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
+ line.stateAfter = null;
+ return true
+ } else {
+ // Ensure that, if the cursor was in the whitespace at the start
+ // of the line, it is moved to the end of that space.
+ for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
+ var range = doc.sel.ranges[i$1];
+ if (range.head.line == n && range.head.ch < curSpaceString.length) {
+ var pos$1 = Pos(n, curSpaceString.length);
+ replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
+ break
+ }
+ }
+ }
+}
+
+// This will be set to a {lineWise: bool, text: [string]} object, so
+// that, when pasting, we know what kind of selections the copied
+// text was made out of.
+var lastCopied = null;
+
+function setLastCopied(newLastCopied) {
+ lastCopied = newLastCopied;
+}
+
+function applyTextInput(cm, inserted, deleted, sel, origin) {
+ var doc = cm.doc;
+ cm.display.shift = false;
+ if (!sel) { sel = doc.sel; }
+
+ var paste = cm.state.pasteIncoming || origin == "paste";
+ var textLines = splitLinesAuto(inserted), multiPaste = null;
+ // When pasing N lines into N selections, insert one line per selection
+ if (paste && sel.ranges.length > 1) {
+ if (lastCopied && lastCopied.text.join("\n") == inserted) {
+ if (sel.ranges.length % lastCopied.text.length == 0) {
+ multiPaste = [];
+ for (var i = 0; i < lastCopied.text.length; i++)
+ { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
+ }
+ } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
+ multiPaste = map(textLines, function (l) { return [l]; });
+ }
+ }
+
+ var updateInput;
+ // Normal behavior is to insert the new text into every selection
+ for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
+ var range$$1 = sel.ranges[i$1];
+ var from = range$$1.from(), to = range$$1.to();
+ if (range$$1.empty()) {
+ if (deleted && deleted > 0) // Handle deletion
+ { from = Pos(from.line, from.ch - deleted); }
+ else if (cm.state.overwrite && !paste) // Handle overwrite
+ { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
+ else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
+ { from = to = Pos(from.line, 0); }
+ }
+ updateInput = cm.curOp.updateInput;
+ var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
+ origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
+ makeChange(cm.doc, changeEvent);
+ signalLater(cm, "inputRead", cm, changeEvent);
+ }
+ if (inserted && !paste)
+ { triggerElectric(cm, inserted); }
+
+ ensureCursorVisible(cm);
+ cm.curOp.updateInput = updateInput;
+ cm.curOp.typing = true;
+ cm.state.pasteIncoming = cm.state.cutIncoming = false;
+}
+
+function handlePaste(e, cm) {
+ var pasted = e.clipboardData && e.clipboardData.getData("Text");
+ if (pasted) {
+ e.preventDefault();
+ if (!cm.isReadOnly() && !cm.options.disableInput)
+ { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
+ return true
+ }
+}
+
+function triggerElectric(cm, inserted) {
+ // When an 'electric' character is inserted, immediately trigger a reindent
+ if (!cm.options.electricChars || !cm.options.smartIndent) { return }
+ var sel = cm.doc.sel;
+
+ for (var i = sel.ranges.length - 1; i >= 0; i--) {
+ var range$$1 = sel.ranges[i];
+ if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }
+ var mode = cm.getModeAt(range$$1.head);
+ var indented = false;
+ if (mode.electricChars) {
+ for (var j = 0; j < mode.electricChars.length; j++)
+ { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
+ indented = indentLine(cm, range$$1.head.line, "smart");
+ break
+ } }
+ } else if (mode.electricInput) {
+ if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))
+ { indented = indentLine(cm, range$$1.head.line, "smart"); }
+ }
+ if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }
+ }
+}
+
+function copyableRanges(cm) {
+ var text = [], ranges = [];
+ for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
+ var line = cm.doc.sel.ranges[i].head.line;
+ var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
+ ranges.push(lineRange);
+ text.push(cm.getRange(lineRange.anchor, lineRange.head));
+ }
+ return {text: text, ranges: ranges}
+}
+
+function disableBrowserMagic(field, spellcheck) {
+ field.setAttribute("autocorrect", "off");
+ field.setAttribute("autocapitalize", "off");
+ field.setAttribute("spellcheck", !!spellcheck);
+}
+
+function hiddenTextarea() {
+ var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
+ var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+ // The textarea is kept positioned near the cursor to prevent the
+ // fact that it'll be scrolled into view on input from scrolling
+ // our fake cursor out of view. On webkit, when wrap=off, paste is
+ // very slow. So make the area wide instead.
+ if (webkit) { te.style.width = "1000px"; }
+ else { te.setAttribute("wrap", "off"); }
+ // If border: 0; -- iOS fails to open keyboard (issue #1287)
+ if (ios) { te.style.border = "1px solid black"; }
+ disableBrowserMagic(te);
+ return div
+}
+
+// The publicly visible API. Note that methodOp(f) means
+// 'wrap f in an operation, performed on its `this` parameter'.
+
+// This is not the complete set of editor methods. Most of the
+// methods defined on the Doc type are also injected into
+// CodeMirror.prototype, for backwards compatibility and
+// convenience.
+
+var addEditorMethods = function(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
+
+ var helpers = CodeMirror.helpers = {};
+
+ CodeMirror.prototype = {
+ constructor: CodeMirror,
+ focus: function(){window.focus(); this.display.input.focus();},
+
+ setOption: function(option, value) {
+ var options = this.options, old = options[option];
+ if (options[option] == value && option != "mode") { return }
+ options[option] = value;
+ if (optionHandlers.hasOwnProperty(option))
+ { operation(this, optionHandlers[option])(this, value, old); }
+ signal(this, "optionChange", this, option);
+ },
+
+ getOption: function(option) {return this.options[option]},
+ getDoc: function() {return this.doc},
+
+ addKeyMap: function(map$$1, bottom) {
+ this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));
+ },
+ removeKeyMap: function(map$$1) {
+ var maps = this.state.keyMaps;
+ for (var i = 0; i < maps.length; ++i)
+ { if (maps[i] == map$$1 || maps[i].name == map$$1) {
+ maps.splice(i, 1);
+ return true
+ } }
+ },
+
+ addOverlay: methodOp(function(spec, options) {
+ var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
+ if (mode.startState) { throw new Error("Overlays may not be stateful.") }
+ insertSorted(this.state.overlays,
+ {mode: mode, modeSpec: spec, opaque: options && options.opaque,
+ priority: (options && options.priority) || 0},
+ function (overlay) { return overlay.priority; });
+ this.state.modeGen++;
+ regChange(this);
+ }),
+ removeOverlay: methodOp(function(spec) {
+ var this$1 = this;
+
+ var overlays = this.state.overlays;
+ for (var i = 0; i < overlays.length; ++i) {
+ var cur = overlays[i].modeSpec;
+ if (cur == spec || typeof spec == "string" && cur.name == spec) {
+ overlays.splice(i, 1);
+ this$1.state.modeGen++;
+ regChange(this$1);
+ return
+ }
+ }
+ }),
+
+ indentLine: methodOp(function(n, dir, aggressive) {
+ if (typeof dir != "string" && typeof dir != "number") {
+ if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
+ else { dir = dir ? "add" : "subtract"; }
+ }
+ if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
+ }),
+ indentSelection: methodOp(function(how) {
+ var this$1 = this;
+
+ var ranges = this.doc.sel.ranges, end = -1;
+ for (var i = 0; i < ranges.length; i++) {
+ var range$$1 = ranges[i];
+ if (!range$$1.empty()) {
+ var from = range$$1.from(), to = range$$1.to();
+ var start = Math.max(end, from.line);
+ end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
+ for (var j = start; j < end; ++j)
+ { indentLine(this$1, j, how); }
+ var newRanges = this$1.doc.sel.ranges;
+ if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
+ { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
+ } else if (range$$1.head.line > end) {
+ indentLine(this$1, range$$1.head.line, how, true);
+ end = range$$1.head.line;
+ if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }
+ }
+ }
+ }),
+
+ // Fetch the parser token for a given character. Useful for hacks
+ // that want to inspect the mode state (say, for completion).
+ getTokenAt: function(pos, precise) {
+ return takeToken(this, pos, precise)
+ },
+
+ getLineTokens: function(line, precise) {
+ return takeToken(this, Pos(line), precise, true)
+ },
+
+ getTokenTypeAt: function(pos) {
+ pos = clipPos(this.doc, pos);
+ var styles = getLineStyles(this, getLine(this.doc, pos.line));
+ var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
+ var type;
+ if (ch == 0) { type = styles[2]; }
+ else { for (;;) {
+ var mid = (before + after) >> 1;
+ if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
+ else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
+ else { type = styles[mid * 2 + 2]; break }
+ } }
+ var cut = type ? type.indexOf("overlay ") : -1;
+ return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
+ },
+
+ getModeAt: function(pos) {
+ var mode = this.doc.mode;
+ if (!mode.innerMode) { return mode }
+ return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
+ },
+
+ getHelper: function(pos, type) {
+ return this.getHelpers(pos, type)[0]
+ },
+
+ getHelpers: function(pos, type) {
+ var this$1 = this;
+
+ var found = [];
+ if (!helpers.hasOwnProperty(type)) { return found }
+ var help = helpers[type], mode = this.getModeAt(pos);
+ if (typeof mode[type] == "string") {
+ if (help[mode[type]]) { found.push(help[mode[type]]); }
+ } else if (mode[type]) {
+ for (var i = 0; i < mode[type].length; i++) {
+ var val = help[mode[type][i]];
+ if (val) { found.push(val); }
+ }
+ } else if (mode.helperType && help[mode.helperType]) {
+ found.push(help[mode.helperType]);
+ } else if (help[mode.name]) {
+ found.push(help[mode.name]);
+ }
+ for (var i$1 = 0; i$1 < help._global.length; i$1++) {
+ var cur = help._global[i$1];
+ if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
+ { found.push(cur.val); }
+ }
+ return found
+ },
+
+ getStateAfter: function(line, precise) {
+ var doc = this.doc;
+ line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
+ return getContextBefore(this, line + 1, precise).state
+ },
+
+ cursorCoords: function(start, mode) {
+ var pos, range$$1 = this.doc.sel.primary();
+ if (start == null) { pos = range$$1.head; }
+ else if (typeof start == "object") { pos = clipPos(this.doc, start); }
+ else { pos = start ? range$$1.from() : range$$1.to(); }
+ return cursorCoords(this, pos, mode || "page")
+ },
+
+ charCoords: function(pos, mode) {
+ return charCoords(this, clipPos(this.doc, pos), mode || "page")
+ },
+
+ coordsChar: function(coords, mode) {
+ coords = fromCoordSystem(this, coords, mode || "page");
+ return coordsChar(this, coords.left, coords.top)
+ },
+
+ lineAtHeight: function(height, mode) {
+ height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
+ return lineAtHeight(this.doc, height + this.display.viewOffset)
+ },
+ heightAtLine: function(line, mode, includeWidgets) {
+ var end = false, lineObj;
+ if (typeof line == "number") {
+ var last = this.doc.first + this.doc.size - 1;
+ if (line < this.doc.first) { line = this.doc.first; }
+ else if (line > last) { line = last; end = true; }
+ lineObj = getLine(this.doc, line);
+ } else {
+ lineObj = line;
+ }
+ return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
+ (end ? this.doc.height - heightAtLine(lineObj) : 0)
+ },
+
+ defaultTextHeight: function() { return textHeight(this.display) },
+ defaultCharWidth: function() { return charWidth(this.display) },
+
+ getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
+
+ addWidget: function(pos, node, scroll, vert, horiz) {
+ var display = this.display;
+ pos = cursorCoords(this, clipPos(this.doc, pos));
+ var top = pos.bottom, left = pos.left;
+ node.style.position = "absolute";
+ node.setAttribute("cm-ignore-events", "true");
+ this.display.input.setUneditable(node);
+ display.sizer.appendChild(node);
+ if (vert == "over") {
+ top = pos.top;
+ } else if (vert == "above" || vert == "near") {
+ var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
+ hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+ // Default to positioning above (if specified and possible); otherwise default to positioning below
+ if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
+ { top = pos.top - node.offsetHeight; }
+ else if (pos.bottom + node.offsetHeight <= vspace)
+ { top = pos.bottom; }
+ if (left + node.offsetWidth > hspace)
+ { left = hspace - node.offsetWidth; }
+ }
+ node.style.top = top + "px";
+ node.style.left = node.style.right = "";
+ if (horiz == "right") {
+ left = display.sizer.clientWidth - node.offsetWidth;
+ node.style.right = "0px";
+ } else {
+ if (horiz == "left") { left = 0; }
+ else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
+ node.style.left = left + "px";
+ }
+ if (scroll)
+ { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
+ },
+
+ triggerOnKeyDown: methodOp(onKeyDown),
+ triggerOnKeyPress: methodOp(onKeyPress),
+ triggerOnKeyUp: onKeyUp,
+ triggerOnMouseDown: methodOp(onMouseDown),
+
+ execCommand: function(cmd) {
+ if (commands.hasOwnProperty(cmd))
+ { return commands[cmd].call(null, this) }
+ },
+
+ triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
+
+ findPosH: function(from, amount, unit, visually) {
+ var this$1 = this;
+
+ var dir = 1;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ cur = findPosH(this$1.doc, cur, dir, unit, visually);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
+
+ moveH: methodOp(function(dir, unit) {
+ var this$1 = this;
+
+ this.extendSelectionsBy(function (range$$1) {
+ if (this$1.display.shift || this$1.doc.extend || range$$1.empty())
+ { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }
+ else
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ }, sel_move);
+ }),
+
+ deleteH: methodOp(function(dir, unit) {
+ var sel = this.doc.sel, doc = this.doc;
+ if (sel.somethingSelected())
+ { doc.replaceSelection("", null, "+delete"); }
+ else
+ { deleteNearSelection(this, function (range$$1) {
+ var other = findPosH(doc, range$$1.head, dir, unit, false);
+ return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}
+ }); }
+ }),
+
+ findPosV: function(from, amount, unit, goalColumn) {
+ var this$1 = this;
+
+ var dir = 1, x = goalColumn;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ var coords = cursorCoords(this$1, cur, "div");
+ if (x == null) { x = coords.left; }
+ else { coords.left = x; }
+ cur = findPosV(this$1, coords, dir, unit);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
+
+ moveV: methodOp(function(dir, unit) {
+ var this$1 = this;
+
+ var doc = this.doc, goals = [];
+ var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
+ doc.extendSelectionsBy(function (range$$1) {
+ if (collapse)
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ var headPos = cursorCoords(this$1, range$$1.head, "div");
+ if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }
+ goals.push(headPos.left);
+ var pos = findPosV(this$1, headPos, dir, unit);
+ if (unit == "page" && range$$1 == doc.sel.primary())
+ { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
+ return pos
+ }, sel_move);
+ if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
+ { doc.sel.ranges[i].goalColumn = goals[i]; } }
+ }),
+
+ // Find the word at the given position (as returned by coordsChar).
+ findWordAt: function(pos) {
+ var doc = this.doc, line = getLine(doc, pos.line).text;
+ var start = pos.ch, end = pos.ch;
+ if (line) {
+ var helper = this.getHelper(pos, "wordChars");
+ if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
+ var startChar = line.charAt(start);
+ var check = isWordChar(startChar, helper)
+ ? function (ch) { return isWordChar(ch, helper); }
+ : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
+ : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
+ while (start > 0 && check(line.charAt(start - 1))) { --start; }
+ while (end < line.length && check(line.charAt(end))) { ++end; }
+ }
+ return new Range(Pos(pos.line, start), Pos(pos.line, end))
+ },
+
+ toggleOverwrite: function(value) {
+ if (value != null && value == this.state.overwrite) { return }
+ if (this.state.overwrite = !this.state.overwrite)
+ { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+ else
+ { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+
+ signal(this, "overwriteToggle", this, this.state.overwrite);
+ },
+ hasFocus: function() { return this.display.input.getField() == activeElt() },
+ isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
+
+ scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
+ getScrollInfo: function() {
+ var scroller = this.display.scroller;
+ return {left: scroller.scrollLeft, top: scroller.scrollTop,
+ height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
+ width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
+ clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
+ },
+
+ scrollIntoView: methodOp(function(range$$1, margin) {
+ if (range$$1 == null) {
+ range$$1 = {from: this.doc.sel.primary().head, to: null};
+ if (margin == null) { margin = this.options.cursorScrollMargin; }
+ } else if (typeof range$$1 == "number") {
+ range$$1 = {from: Pos(range$$1, 0), to: null};
+ } else if (range$$1.from == null) {
+ range$$1 = {from: range$$1, to: null};
+ }
+ if (!range$$1.to) { range$$1.to = range$$1.from; }
+ range$$1.margin = margin || 0;
+
+ if (range$$1.from.line != null) {
+ scrollToRange(this, range$$1);
+ } else {
+ scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);
+ }
+ }),
+
+ setSize: methodOp(function(width, height) {
+ var this$1 = this;
+
+ var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
+ if (width != null) { this.display.wrapper.style.width = interpret(width); }
+ if (height != null) { this.display.wrapper.style.height = interpret(height); }
+ if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
+ var lineNo$$1 = this.display.viewFrom;
+ this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
+ { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }
+ ++lineNo$$1;
+ });
+ this.curOp.forceUpdate = true;
+ signal(this, "refresh", this);
+ }),
+
+ operation: function(f){return runInOp(this, f)},
+ startOperation: function(){return startOperation(this)},
+ endOperation: function(){return endOperation(this)},
+
+ refresh: methodOp(function() {
+ var oldHeight = this.display.cachedTextHeight;
+ regChange(this);
+ this.curOp.forceUpdate = true;
+ clearCaches(this);
+ scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
+ updateGutterSpace(this);
+ if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
+ { estimateLineHeights(this); }
+ signal(this, "refresh", this);
+ }),
+
+ swapDoc: methodOp(function(doc) {
+ var old = this.doc;
+ old.cm = null;
+ attachDoc(this, doc);
+ clearCaches(this);
+ this.display.input.reset();
+ scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
+ this.curOp.forceScroll = true;
+ signalLater(this, "swapDoc", this, old);
+ return old
+ }),
+
+ getInputField: function(){return this.display.input.getField()},
+ getWrapperElement: function(){return this.display.wrapper},
+ getScrollerElement: function(){return this.display.scroller},
+ getGutterElement: function(){return this.display.gutters}
+ };
+ eventMixin(CodeMirror);
+
+ CodeMirror.registerHelper = function(type, name, value) {
+ if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
+ helpers[type][name] = value;
+ };
+ CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
+ CodeMirror.registerHelper(type, name, value);
+ helpers[type]._global.push({pred: predicate, val: value});
+ };
+};
+
+// Used for horizontal relative motion. Dir is -1 or 1 (left or
+// right), unit can be "char", "column" (like char, but doesn't
+// cross line boundaries), "word" (across next word), or "group" (to
+// the start of next group of word or non-word-non-whitespace
+// chars). The visually param controls whether, in right-to-left
+// text, direction 1 means to move towards the next index in the
+// string, or towards the character to the right of the current
+// position. The resulting position will have a hitSide=true
+// property if it reached the end of the document.
+function findPosH(doc, pos, dir, unit, visually) {
+ var oldPos = pos;
+ var origDir = dir;
+ var lineObj = getLine(doc, pos.line);
+ function findNextLine() {
+ var l = pos.line + dir;
+ if (l < doc.first || l >= doc.first + doc.size) { return false }
+ pos = new Pos(l, pos.ch, pos.sticky);
+ return lineObj = getLine(doc, l)
+ }
+ function moveOnce(boundToLine) {
+ var next;
+ if (visually) {
+ next = moveVisually(doc.cm, lineObj, pos, dir);
+ } else {
+ next = moveLogically(lineObj, pos, dir);
+ }
+ if (next == null) {
+ if (!boundToLine && findNextLine())
+ { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }
+ else
+ { return false }
+ } else {
+ pos = next;
+ }
+ return true
+ }
+
+ if (unit == "char") {
+ moveOnce();
+ } else if (unit == "column") {
+ moveOnce(true);
+ } else if (unit == "word" || unit == "group") {
+ var sawType = null, group = unit == "group";
+ var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
+ for (var first = true;; first = false) {
+ if (dir < 0 && !moveOnce(!first)) { break }
+ var cur = lineObj.text.charAt(pos.ch) || "\n";
+ var type = isWordChar(cur, helper) ? "w"
+ : group && cur == "\n" ? "n"
+ : !group || /\s/.test(cur) ? null
+ : "p";
+ if (group && !first && !type) { type = "s"; }
+ if (sawType && sawType != type) {
+ if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
+ break
+ }
+
+ if (type) { sawType = type; }
+ if (dir > 0 && !moveOnce(!first)) { break }
+ }
+ }
+ var result = skipAtomic(doc, pos, oldPos, origDir, true);
+ if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
+ return result
+}
+
+// For relative vertical movement. Dir may be -1 or 1. Unit can be
+// "page" or "line". The resulting position will have a hitSide=true
+// property if it reached the end of the document.
+function findPosV(cm, pos, dir, unit) {
+ var doc = cm.doc, x = pos.left, y;
+ if (unit == "page") {
+ var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+ var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
+ y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
+
+ } else if (unit == "line") {
+ y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+ }
+ var target;
+ for (;;) {
+ target = coordsChar(cm, x, y);
+ if (!target.outside) { break }
+ if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
+ y += dir * 5;
+ }
+ return target
+}
+
+// CONTENTEDITABLE INPUT STYLE
+
+var ContentEditableInput = function(cm) {
+ this.cm = cm;
+ this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
+ this.polling = new Delayed();
+ this.composing = null;
+ this.gracePeriod = false;
+ this.readDOMTimeout = null;
+};
+
+ContentEditableInput.prototype.init = function (display) {
+ var this$1 = this;
+
+ var input = this, cm = input.cm;
+ var div = input.div = display.lineDiv;
+ disableBrowserMagic(div, cm.options.spellcheck);
+
+ on(div, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+ // IE doesn't fire input events, so we schedule a read for the pasted content in this way
+ if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
+ });
+
+ on(div, "compositionstart", function (e) {
+ this$1.composing = {data: e.data, done: false};
+ });
+ on(div, "compositionupdate", function (e) {
+ if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
+ });
+ on(div, "compositionend", function (e) {
+ if (this$1.composing) {
+ if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
+ this$1.composing.done = true;
+ }
+ });
+
+ on(div, "touchstart", function () { return input.forceCompositionEnd(); });
+
+ on(div, "input", function () {
+ if (!this$1.composing) { this$1.readFromDOMSoon(); }
+ });
+
+ function onCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
+ } else if (!cm.options.lineWiseCopyCut) {
+ return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.operation(function () {
+ cm.setSelections(ranges.ranges, 0, sel_dontScroll);
+ cm.replaceSelection("", null, "cut");
+ });
+ }
+ }
+ if (e.clipboardData) {
+ e.clipboardData.clearData();
+ var content = lastCopied.text.join("\n");
+ // iOS exposes the clipboard API, but seems to discard content inserted into it
+ e.clipboardData.setData("Text", content);
+ if (e.clipboardData.getData("Text") == content) {
+ e.preventDefault();
+ return
+ }
+ }
+ // Old-fashioned briefly-focus-a-textarea hack
+ var kludge = hiddenTextarea(), te = kludge.firstChild;
+ cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
+ te.value = lastCopied.text.join("\n");
+ var hadFocus = document.activeElement;
+ selectInput(te);
+ setTimeout(function () {
+ cm.display.lineSpace.removeChild(kludge);
+ hadFocus.focus();
+ if (hadFocus == div) { input.showPrimarySelection(); }
+ }, 50);
+ }
+ on(div, "copy", onCopyCut);
+ on(div, "cut", onCopyCut);
+};
+
+ContentEditableInput.prototype.prepareSelection = function () {
+ var result = prepareSelection(this.cm, false);
+ result.focus = this.cm.state.focused;
+ return result
+};
+
+ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
+ if (!info || !this.cm.display.view.length) { return }
+ if (info.focus || takeFocus) { this.showPrimarySelection(); }
+ this.showMultipleSelections(info);
+};
+
+ContentEditableInput.prototype.showPrimarySelection = function () {
+ var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
+ var from = prim.from(), to = prim.to();
+
+ if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
+ sel.removeAllRanges();
+ return
+ }
+
+ var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
+ cmp(minPos(curAnchor, curFocus), from) == 0 &&
+ cmp(maxPos(curAnchor, curFocus), to) == 0)
+ { return }
+
+ var view = cm.display.view;
+ var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
+ {node: view[0].measure.map[2], offset: 0};
+ var end = to.line < cm.display.viewTo && posToDOM(cm, to);
+ if (!end) {
+ var measure = view[view.length - 1].measure;
+ var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
+ end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};
+ }
+
+ if (!start || !end) {
+ sel.removeAllRanges();
+ return
+ }
+
+ var old = sel.rangeCount && sel.getRangeAt(0), rng;
+ try { rng = range(start.node, start.offset, end.offset, end.node); }
+ catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
+ if (rng) {
+ if (!gecko && cm.state.focused) {
+ sel.collapse(start.node, start.offset);
+ if (!rng.collapsed) {
+ sel.removeAllRanges();
+ sel.addRange(rng);
+ }
+ } else {
+ sel.removeAllRanges();
+ sel.addRange(rng);
+ }
+ if (old && sel.anchorNode == null) { sel.addRange(old); }
+ else if (gecko) { this.startGracePeriod(); }
+ }
+ this.rememberSelection();
+};
+
+ContentEditableInput.prototype.startGracePeriod = function () {
+ var this$1 = this;
+
+ clearTimeout(this.gracePeriod);
+ this.gracePeriod = setTimeout(function () {
+ this$1.gracePeriod = false;
+ if (this$1.selectionChanged())
+ { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
+ }, 20);
+};
+
+ContentEditableInput.prototype.showMultipleSelections = function (info) {
+ removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
+ removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
+};
+
+ContentEditableInput.prototype.rememberSelection = function () {
+ var sel = window.getSelection();
+ this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
+ this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
+};
+
+ContentEditableInput.prototype.selectionInEditor = function () {
+ var sel = window.getSelection();
+ if (!sel.rangeCount) { return false }
+ var node = sel.getRangeAt(0).commonAncestorContainer;
+ return contains(this.div, node)
+};
+
+ContentEditableInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor") {
+ if (!this.selectionInEditor())
+ { this.showSelection(this.prepareSelection(), true); }
+ this.div.focus();
+ }
+};
+ContentEditableInput.prototype.blur = function () { this.div.blur(); };
+ContentEditableInput.prototype.getField = function () { return this.div };
+
+ContentEditableInput.prototype.supportsTouch = function () { return true };
+
+ContentEditableInput.prototype.receivedFocus = function () {
+ var input = this;
+ if (this.selectionInEditor())
+ { this.pollSelection(); }
+ else
+ { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }
+
+ function poll() {
+ if (input.cm.state.focused) {
+ input.pollSelection();
+ input.polling.set(input.cm.options.pollInterval, poll);
+ }
+ }
+ this.polling.set(this.cm.options.pollInterval, poll);
+};
+
+ContentEditableInput.prototype.selectionChanged = function () {
+ var sel = window.getSelection();
+ return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
+ sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
+};
+
+ContentEditableInput.prototype.pollSelection = function () {
+ if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
+ var sel = window.getSelection(), cm = this.cm;
+ // On Android Chrome (version 56, at least), backspacing into an
+ // uneditable block element will put the cursor in that element,
+ // and then, because it's not editable, hide the virtual keyboard.
+ // Because Android doesn't allow us to actually detect backspace
+ // presses in a sane way, this code checks for when that happens
+ // and simulates a backspace press in this case.
+ if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {
+ this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
+ this.blur();
+ this.focus();
+ return
+ }
+ if (this.composing) { return }
+ this.rememberSelection();
+ var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var head = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (anchor && head) { runInOp(cm, function () {
+ setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
+ if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
+ }); }
+};
+
+ContentEditableInput.prototype.pollContent = function () {
+ if (this.readDOMTimeout != null) {
+ clearTimeout(this.readDOMTimeout);
+ this.readDOMTimeout = null;
+ }
+
+ var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
+ var from = sel.from(), to = sel.to();
+ if (from.ch == 0 && from.line > cm.firstLine())
+ { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
+ if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
+ { to = Pos(to.line + 1, 0); }
+ if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
+
+ var fromIndex, fromLine, fromNode;
+ if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
+ fromLine = lineNo(display.view[0].line);
+ fromNode = display.view[0].node;
+ } else {
+ fromLine = lineNo(display.view[fromIndex].line);
+ fromNode = display.view[fromIndex - 1].node.nextSibling;
+ }
+ var toIndex = findViewIndex(cm, to.line);
+ var toLine, toNode;
+ if (toIndex == display.view.length - 1) {
+ toLine = display.viewTo - 1;
+ toNode = display.lineDiv.lastChild;
+ } else {
+ toLine = lineNo(display.view[toIndex + 1].line) - 1;
+ toNode = display.view[toIndex + 1].node.previousSibling;
+ }
+
+ if (!fromNode) { return false }
+ var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
+ var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
+ while (newText.length > 1 && oldText.length > 1) {
+ if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
+ else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
+ else { break }
+ }
+
+ var cutFront = 0, cutEnd = 0;
+ var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
+ while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
+ { ++cutFront; }
+ var newBot = lst(newText), oldBot = lst(oldText);
+ var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
+ oldBot.length - (oldText.length == 1 ? cutFront : 0));
+ while (cutEnd < maxCutEnd &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
+ { ++cutEnd; }
+ // Try to move start of change to start of selection if ambiguous
+ if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
+ while (cutFront && cutFront > from.ch &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
+ cutFront--;
+ cutEnd++;
+ }
+ }
+
+ newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
+ newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
+
+ var chFrom = Pos(fromLine, cutFront);
+ var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
+ if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
+ replaceRange(cm.doc, newText, chFrom, chTo, "+input");
+ return true
+ }
+};
+
+ContentEditableInput.prototype.ensurePolled = function () {
+ this.forceCompositionEnd();
+};
+ContentEditableInput.prototype.reset = function () {
+ this.forceCompositionEnd();
+};
+ContentEditableInput.prototype.forceCompositionEnd = function () {
+ if (!this.composing) { return }
+ clearTimeout(this.readDOMTimeout);
+ this.composing = null;
+ this.updateFromDOM();
+ this.div.blur();
+ this.div.focus();
+};
+ContentEditableInput.prototype.readFromDOMSoon = function () {
+ var this$1 = this;
+
+ if (this.readDOMTimeout != null) { return }
+ this.readDOMTimeout = setTimeout(function () {
+ this$1.readDOMTimeout = null;
+ if (this$1.composing) {
+ if (this$1.composing.done) { this$1.composing = null; }
+ else { return }
+ }
+ this$1.updateFromDOM();
+ }, 80);
+};
+
+ContentEditableInput.prototype.updateFromDOM = function () {
+ var this$1 = this;
+
+ if (this.cm.isReadOnly() || !this.pollContent())
+ { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
+};
+
+ContentEditableInput.prototype.setUneditable = function (node) {
+ node.contentEditable = "false";
+};
+
+ContentEditableInput.prototype.onKeyPress = function (e) {
+ if (e.charCode == 0) { return }
+ e.preventDefault();
+ if (!this.cm.isReadOnly())
+ { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
+};
+
+ContentEditableInput.prototype.readOnlyChanged = function (val) {
+ this.div.contentEditable = String(val != "nocursor");
+};
+
+ContentEditableInput.prototype.onContextMenu = function () {};
+ContentEditableInput.prototype.resetPosition = function () {};
+
+ContentEditableInput.prototype.needsContentAttribute = true;
+
+function posToDOM(cm, pos) {
+ var view = findViewForLine(cm, pos.line);
+ if (!view || view.hidden) { return null }
+ var line = getLine(cm.doc, pos.line);
+ var info = mapFromLineView(view, line, pos.line);
+
+ var order = getOrder(line, cm.doc.direction), side = "left";
+ if (order) {
+ var partPos = getBidiPartAt(order, pos.ch);
+ side = partPos % 2 ? "right" : "left";
+ }
+ var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
+ result.offset = result.collapse == "right" ? result.end : result.start;
+ return result
+}
+
+function isInGutter(node) {
+ for (var scan = node; scan; scan = scan.parentNode)
+ { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
+ return false
+}
+
+function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
+
+function domTextBetween(cm, from, to, fromLine, toLine) {
+ var text = "", closing = false, lineSep = cm.doc.lineSeparator();
+ function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
+ function close() {
+ if (closing) {
+ text += lineSep;
+ closing = false;
+ }
+ }
+ function addText(str) {
+ if (str) {
+ close();
+ text += str;
+ }
+ }
+ function walk(node) {
+ if (node.nodeType == 1) {
+ var cmText = node.getAttribute("cm-text");
+ if (cmText != null) {
+ addText(cmText || node.textContent.replace(/\u200b/g, ""));
+ return
+ }
+ var markerID = node.getAttribute("cm-marker"), range$$1;
+ if (markerID) {
+ var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
+ if (found.length && (range$$1 = found[0].find(0)))
+ { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }
+ return
+ }
+ if (node.getAttribute("contenteditable") == "false") { return }
+ var isBlock = /^(pre|div|p)$/i.test(node.nodeName);
+ if (isBlock) { close(); }
+ for (var i = 0; i < node.childNodes.length; i++)
+ { walk(node.childNodes[i]); }
+ if (isBlock) { closing = true; }
+ } else if (node.nodeType == 3) {
+ addText(node.nodeValue);
+ }
+ }
+ for (;;) {
+ walk(from);
+ if (from == to) { break }
+ from = from.nextSibling;
+ }
+ return text
+}
+
+function domToPos(cm, node, offset) {
+ var lineNode;
+ if (node == cm.display.lineDiv) {
+ lineNode = cm.display.lineDiv.childNodes[offset];
+ if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
+ node = null; offset = 0;
+ } else {
+ for (lineNode = node;; lineNode = lineNode.parentNode) {
+ if (!lineNode || lineNode == cm.display.lineDiv) { return null }
+ if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
+ }
+ }
+ for (var i = 0; i < cm.display.view.length; i++) {
+ var lineView = cm.display.view[i];
+ if (lineView.node == lineNode)
+ { return locateNodeInLineView(lineView, node, offset) }
+ }
+}
+
+function locateNodeInLineView(lineView, node, offset) {
+ var wrapper = lineView.text.firstChild, bad = false;
+ if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
+ if (node == wrapper) {
+ bad = true;
+ node = wrapper.childNodes[offset];
+ offset = 0;
+ if (!node) {
+ var line = lineView.rest ? lst(lineView.rest) : lineView.line;
+ return badPos(Pos(lineNo(line), line.text.length), bad)
+ }
+ }
+
+ var textNode = node.nodeType == 3 ? node : null, topNode = node;
+ if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
+ textNode = node.firstChild;
+ if (offset) { offset = textNode.nodeValue.length; }
+ }
+ while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
+ var measure = lineView.measure, maps = measure.maps;
+
+ function find(textNode, topNode, offset) {
+ for (var i = -1; i < (maps ? maps.length : 0); i++) {
+ var map$$1 = i < 0 ? measure.map : maps[i];
+ for (var j = 0; j < map$$1.length; j += 3) {
+ var curNode = map$$1[j + 2];
+ if (curNode == textNode || curNode == topNode) {
+ var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
+ var ch = map$$1[j] + offset;
+ if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }
+ return Pos(line, ch)
+ }
+ }
+ }
+ }
+ var found = find(textNode, topNode, offset);
+ if (found) { return badPos(found, bad) }
+
+ // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
+ for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
+ found = find(after, after.firstChild, 0);
+ if (found)
+ { return badPos(Pos(found.line, found.ch - dist), bad) }
+ else
+ { dist += after.textContent.length; }
+ }
+ for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
+ found = find(before, before.firstChild, -1);
+ if (found)
+ { return badPos(Pos(found.line, found.ch + dist$1), bad) }
+ else
+ { dist$1 += before.textContent.length; }
+ }
+}
+
+// TEXTAREA INPUT STYLE
+
+var TextareaInput = function(cm) {
+ this.cm = cm;
+ // See input.poll and input.reset
+ this.prevInput = "";
+
+ // Flag that indicates whether we expect input to appear real soon
+ // now (after some event like 'keypress' or 'input') and are
+ // polling intensively.
+ this.pollingFast = false;
+ // Self-resetting timeout for the poller
+ this.polling = new Delayed();
+ // Used to work around IE issue with selection being forgotten when focus moves away from textarea
+ this.hasSelection = false;
+ this.composing = null;
+};
+
+TextareaInput.prototype.init = function (display) {
+ var this$1 = this;
+
+ var input = this, cm = this.cm;
+
+ // Wraps and hides input textarea
+ var div = this.wrapper = hiddenTextarea();
+ // The semihidden textarea that is focused when the editor is
+ // focused, and receives input.
+ var te = this.textarea = div.firstChild;
+ display.wrapper.insertBefore(div, display.wrapper.firstChild);
+
+ // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
+ if (ios) { te.style.width = "0px"; }
+
+ on(te, "input", function () {
+ if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
+ input.poll();
+ });
+
+ on(te, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+
+ cm.state.pasteIncoming = true;
+ input.fastPoll();
+ });
+
+ function prepareCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ } else if (!cm.options.lineWiseCopyCut) {
+ return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.setSelections(ranges.ranges, null, sel_dontScroll);
+ } else {
+ input.prevInput = "";
+ te.value = ranges.text.join("\n");
+ selectInput(te);
+ }
+ }
+ if (e.type == "cut") { cm.state.cutIncoming = true; }
+ }
+ on(te, "cut", prepareCopyCut);
+ on(te, "copy", prepareCopyCut);
+
+ on(display.scroller, "paste", function (e) {
+ if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
+ cm.state.pasteIncoming = true;
+ input.focus();
+ });
+
+ // Prevent normal selection in the editor (we handle our own)
+ on(display.lineSpace, "selectstart", function (e) {
+ if (!eventInWidget(display, e)) { e_preventDefault(e); }
+ });
+
+ on(te, "compositionstart", function () {
+ var start = cm.getCursor("from");
+ if (input.composing) { input.composing.range.clear(); }
+ input.composing = {
+ start: start,
+ range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
+ };
+ });
+ on(te, "compositionend", function () {
+ if (input.composing) {
+ input.poll();
+ input.composing.range.clear();
+ input.composing = null;
+ }
+ });
+};
+
+TextareaInput.prototype.prepareSelection = function () {
+ // Redraw the selection and/or cursor
+ var cm = this.cm, display = cm.display, doc = cm.doc;
+ var result = prepareSelection(cm);
+
+ // Move the hidden textarea near the cursor to prevent scrolling artifacts
+ if (cm.options.moveInputWithCursor) {
+ var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
+ var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
+ result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+ headPos.top + lineOff.top - wrapOff.top));
+ result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+ headPos.left + lineOff.left - wrapOff.left));
+ }
+
+ return result
+};
+
+TextareaInput.prototype.showSelection = function (drawn) {
+ var cm = this.cm, display = cm.display;
+ removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
+ removeChildrenAndAdd(display.selectionDiv, drawn.selection);
+ if (drawn.teTop != null) {
+ this.wrapper.style.top = drawn.teTop + "px";
+ this.wrapper.style.left = drawn.teLeft + "px";
+ }
+};
+
+// Reset the input to correspond to the selection (or to be empty,
+// when not typing and nothing is selected)
+TextareaInput.prototype.reset = function (typing) {
+ if (this.contextMenuPending || this.composing) { return }
+ var cm = this.cm;
+ if (cm.somethingSelected()) {
+ this.prevInput = "";
+ var content = cm.getSelection();
+ this.textarea.value = content;
+ if (cm.state.focused) { selectInput(this.textarea); }
+ if (ie && ie_version >= 9) { this.hasSelection = content; }
+ } else if (!typing) {
+ this.prevInput = this.textarea.value = "";
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ }
+};
+
+TextareaInput.prototype.getField = function () { return this.textarea };
+
+TextareaInput.prototype.supportsTouch = function () { return false };
+
+TextareaInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
+ try { this.textarea.focus(); }
+ catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
+ }
+};
+
+TextareaInput.prototype.blur = function () { this.textarea.blur(); };
+
+TextareaInput.prototype.resetPosition = function () {
+ this.wrapper.style.top = this.wrapper.style.left = 0;
+};
+
+TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };
+
+// Poll for input changes, using the normal rate of polling. This
+// runs as long as the editor is focused.
+TextareaInput.prototype.slowPoll = function () {
+ var this$1 = this;
+
+ if (this.pollingFast) { return }
+ this.polling.set(this.cm.options.pollInterval, function () {
+ this$1.poll();
+ if (this$1.cm.state.focused) { this$1.slowPoll(); }
+ });
+};
+
+// When an event has just come in that is likely to add or change
+// something in the input textarea, we poll faster, to ensure that
+// the change appears on the screen quickly.
+TextareaInput.prototype.fastPoll = function () {
+ var missed = false, input = this;
+ input.pollingFast = true;
+ function p() {
+ var changed = input.poll();
+ if (!changed && !missed) {missed = true; input.polling.set(60, p);}
+ else {input.pollingFast = false; input.slowPoll();}
+ }
+ input.polling.set(20, p);
+};
+
+// Read input from the textarea, and update the document to match.
+// When something is selected, it is present in the textarea, and
+// selected (unless it is huge, in which case a placeholder is
+// used). When nothing is selected, the cursor sits after previously
+// seen text (can be empty), which is stored in prevInput (we must
+// not reset the textarea when typing, because that breaks IME).
+TextareaInput.prototype.poll = function () {
+ var this$1 = this;
+
+ var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
+ // Since this is called a *lot*, try to bail out as cheaply as
+ // possible when it is clear that nothing happened. hasSelection
+ // will be the case when there is a lot of text in the textarea,
+ // in which case reading its value would be expensive.
+ if (this.contextMenuPending || !cm.state.focused ||
+ (hasSelection(input) && !prevInput && !this.composing) ||
+ cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
+ { return false }
+
+ var text = input.value;
+ // If nothing changed, bail.
+ if (text == prevInput && !cm.somethingSelected()) { return false }
+ // Work around nonsensical selection resetting in IE9/10, and
+ // inexplicable appearance of private area unicode characters on
+ // some key combos in Mac (#2689).
+ if (ie && ie_version >= 9 && this.hasSelection === text ||
+ mac && /[\uf700-\uf7ff]/.test(text)) {
+ cm.display.input.reset();
+ return false
+ }
+
+ if (cm.doc.sel == cm.display.selForContextMenu) {
+ var first = text.charCodeAt(0);
+ if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
+ if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
+ }
+ // Find the part of the input that is actually new
+ var same = 0, l = Math.min(prevInput.length, text.length);
+ while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }
+
+ runInOp(cm, function () {
+ applyTextInput(cm, text.slice(same), prevInput.length - same,
+ null, this$1.composing ? "*compose" : null);
+
+ // Don't leave long text in the textarea, since it makes further polling slow
+ if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
+ else { this$1.prevInput = text; }
+
+ if (this$1.composing) {
+ this$1.composing.range.clear();
+ this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
+ {className: "CodeMirror-composing"});
+ }
+ });
+ return true
+};
+
+TextareaInput.prototype.ensurePolled = function () {
+ if (this.pollingFast && this.poll()) { this.pollingFast = false; }
+};
+
+TextareaInput.prototype.onKeyPress = function () {
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ this.fastPoll();
+};
+
+TextareaInput.prototype.onContextMenu = function (e) {
+ var input = this, cm = input.cm, display = cm.display, te = input.textarea;
+ var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+ if (!pos || presto) { return } // Opera is difficult.
+
+ // Reset the current text selection only if the click is done outside of the selection
+ // and 'resetSelectionOnContextMenu' option is true.
+ var reset = cm.options.resetSelectionOnContextMenu;
+ if (reset && cm.doc.sel.contains(pos) == -1)
+ { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }
+
+ var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
+ input.wrapper.style.cssText = "position: absolute";
+ var wrapperBox = input.wrapper.getBoundingClientRect();
+ te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
+ var oldScrollY;
+ if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
+ display.input.focus();
+ if (webkit) { window.scrollTo(null, oldScrollY); }
+ display.input.reset();
+ // Adds "Select all" to context menu in FF
+ if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
+ input.contextMenuPending = true;
+ display.selForContextMenu = cm.doc.sel;
+ clearTimeout(display.detectingSelectAll);
+
+ // Select-all will be greyed out if there's nothing to select, so
+ // this adds a zero-width space so that we can later check whether
+ // it got selected.
+ function prepareSelectAllHack() {
+ if (te.selectionStart != null) {
+ var selected = cm.somethingSelected();
+ var extval = "\u200b" + (selected ? te.value : "");
+ te.value = "\u21da"; // Used to catch context-menu undo
+ te.value = extval;
+ input.prevInput = selected ? "" : "\u200b";
+ te.selectionStart = 1; te.selectionEnd = extval.length;
+ // Re-set this, in case some other handler touched the
+ // selection in the meantime.
+ display.selForContextMenu = cm.doc.sel;
+ }
+ }
+ function rehide() {
+ input.contextMenuPending = false;
+ input.wrapper.style.cssText = oldWrapperCSS;
+ te.style.cssText = oldCSS;
+ if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }
+
+ // Try to detect the user choosing select-all
+ if (te.selectionStart != null) {
+ if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
+ var i = 0, poll = function () {
+ if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
+ te.selectionEnd > 0 && input.prevInput == "\u200b") {
+ operation(cm, selectAll)(cm);
+ } else if (i++ < 10) {
+ display.detectingSelectAll = setTimeout(poll, 500);
+ } else {
+ display.selForContextMenu = null;
+ display.input.reset();
+ }
+ };
+ display.detectingSelectAll = setTimeout(poll, 200);
+ }
+ }
+
+ if (ie && ie_version >= 9) { prepareSelectAllHack(); }
+ if (captureRightClick) {
+ e_stop(e);
+ var mouseup = function () {
+ off(window, "mouseup", mouseup);
+ setTimeout(rehide, 20);
+ };
+ on(window, "mouseup", mouseup);
+ } else {
+ setTimeout(rehide, 50);
+ }
+};
+
+TextareaInput.prototype.readOnlyChanged = function (val) {
+ if (!val) { this.reset(); }
+ this.textarea.disabled = val == "nocursor";
+};
+
+TextareaInput.prototype.setUneditable = function () {};
+
+TextareaInput.prototype.needsContentAttribute = false;
+
+function fromTextArea(textarea, options) {
+ options = options ? copyObj(options) : {};
+ options.value = textarea.value;
+ if (!options.tabindex && textarea.tabIndex)
+ { options.tabindex = textarea.tabIndex; }
+ if (!options.placeholder && textarea.placeholder)
+ { options.placeholder = textarea.placeholder; }
+ // Set autofocus to true if this textarea is focused, or if it has
+ // autofocus and no other element is focused.
+ if (options.autofocus == null) {
+ var hasFocus = activeElt();
+ options.autofocus = hasFocus == textarea ||
+ textarea.getAttribute("autofocus") != null && hasFocus == document.body;
+ }
+
+ function save() {textarea.value = cm.getValue();}
+
+ var realSubmit;
+ if (textarea.form) {
+ on(textarea.form, "submit", save);
+ // Deplorable hack to make the submit method do the right thing.
+ if (!options.leaveSubmitMethodAlone) {
+ var form = textarea.form;
+ realSubmit = form.submit;
+ try {
+ var wrappedSubmit = form.submit = function () {
+ save();
+ form.submit = realSubmit;
+ form.submit();
+ form.submit = wrappedSubmit;
+ };
+ } catch(e) {}
+ }
+ }
+
+ options.finishInit = function (cm) {
+ cm.save = save;
+ cm.getTextArea = function () { return textarea; };
+ cm.toTextArea = function () {
+ cm.toTextArea = isNaN; // Prevent this from being ran twice
+ save();
+ textarea.parentNode.removeChild(cm.getWrapperElement());
+ textarea.style.display = "";
+ if (textarea.form) {
+ off(textarea.form, "submit", save);
+ if (typeof textarea.form.submit == "function")
+ { textarea.form.submit = realSubmit; }
+ }
+ };
+ };
+
+ textarea.style.display = "none";
+ var cm = CodeMirror$1(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
+ options);
+ return cm
+}
+
+function addLegacyProps(CodeMirror) {
+ CodeMirror.off = off;
+ CodeMirror.on = on;
+ CodeMirror.wheelEventPixels = wheelEventPixels;
+ CodeMirror.Doc = Doc;
+ CodeMirror.splitLines = splitLinesAuto;
+ CodeMirror.countColumn = countColumn;
+ CodeMirror.findColumn = findColumn;
+ CodeMirror.isWordChar = isWordCharBasic;
+ CodeMirror.Pass = Pass;
+ CodeMirror.signal = signal;
+ CodeMirror.Line = Line;
+ CodeMirror.changeEnd = changeEnd;
+ CodeMirror.scrollbarModel = scrollbarModel;
+ CodeMirror.Pos = Pos;
+ CodeMirror.cmpPos = cmp;
+ CodeMirror.modes = modes;
+ CodeMirror.mimeModes = mimeModes;
+ CodeMirror.resolveMode = resolveMode;
+ CodeMirror.getMode = getMode;
+ CodeMirror.modeExtensions = modeExtensions;
+ CodeMirror.extendMode = extendMode;
+ CodeMirror.copyState = copyState;
+ CodeMirror.startState = startState;
+ CodeMirror.innerMode = innerMode;
+ CodeMirror.commands = commands;
+ CodeMirror.keyMap = keyMap;
+ CodeMirror.keyName = keyName;
+ CodeMirror.isModifierKey = isModifierKey;
+ CodeMirror.lookupKey = lookupKey;
+ CodeMirror.normalizeKeyMap = normalizeKeyMap;
+ CodeMirror.StringStream = StringStream;
+ CodeMirror.SharedTextMarker = SharedTextMarker;
+ CodeMirror.TextMarker = TextMarker;
+ CodeMirror.LineWidget = LineWidget;
+ CodeMirror.e_preventDefault = e_preventDefault;
+ CodeMirror.e_stopPropagation = e_stopPropagation;
+ CodeMirror.e_stop = e_stop;
+ CodeMirror.addClass = addClass;
+ CodeMirror.contains = contains;
+ CodeMirror.rmClass = rmClass;
+ CodeMirror.keyNames = keyNames;
+}
+
+// EDITOR CONSTRUCTOR
+
+defineOptions(CodeMirror$1);
+
+addEditorMethods(CodeMirror$1);
+
+// Set up methods on CodeMirror's prototype to redirect to the editor's document.
+var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
+for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
+ { CodeMirror$1.prototype[prop] = (function(method) {
+ return function() {return method.apply(this.doc, arguments)}
+ })(Doc.prototype[prop]); } }
+
+eventMixin(Doc);
+
+// INPUT HANDLING
+
+CodeMirror$1.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
+
+// MODE DEFINITION AND QUERYING
+
+// Extra arguments are stored as the mode's dependencies, which is
+// used by (legacy) mechanisms like loadmode.js to automatically
+// load a mode. (Preferred mechanism is the require/define calls.)
+CodeMirror$1.defineMode = function(name/*, mode, …*/) {
+ if (!CodeMirror$1.defaults.mode && name != "null") { CodeMirror$1.defaults.mode = name; }
+ defineMode.apply(this, arguments);
+};
+
+CodeMirror$1.defineMIME = defineMIME;
+
+// Minimal default mode.
+CodeMirror$1.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
+CodeMirror$1.defineMIME("text/plain", "null");
+
+// EXTENSIONS
+
+CodeMirror$1.defineExtension = function (name, func) {
+ CodeMirror$1.prototype[name] = func;
+};
+CodeMirror$1.defineDocExtension = function (name, func) {
+ Doc.prototype[name] = func;
+};
+
+CodeMirror$1.fromTextArea = fromTextArea;
+
+addLegacyProps(CodeMirror$1);
+
+CodeMirror$1.version = "5.31.0";
+
+return CodeMirror$1;
+
+})));
+
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Backbone = __webpack_require__(0);
+
+var TYPE_CLASS = 1;
+var TYPE_ID = 2;
+
+var Selector = Backbone.Model.extend({
+ idAttribute: 'name',
+
+ defaults: {
+ name: '',
+
+ label: '',
+
+ // Type of the selector
+ type: TYPE_CLASS,
+
+ // If not active it's not selectable by the style manager (uncheckboxed)
+ active: true,
+
+ // Can't be seen by the style manager, therefore even by the user
+ // Will be rendered only in export code
+ private: false,
+
+ // If true, can't be removed from the attacched element
+ protected: false
+ },
+
+ initialize: function initialize() {
+ var name = this.get('name');
+ var label = this.get('label');
+
+ if (!name) {
+ this.set('name', label);
+ } else if (!label) {
+ this.set('label', name);
+ }
+
+ this.set('name', Selector.escapeName(this.get('name')));
+ },
+
+
+ /**
+ * Get full selector name
+ * @return {string}
+ */
+ getFullName: function getFullName() {
+ var init = '';
+
+ switch (this.get('type')) {
+ case TYPE_CLASS:
+ init = '.';
+ break;
+ case TYPE_ID:
+ init = '#';
+ break;
+ }
+
+ return init + this.get('name');
+ }
+}, {
+ // All type selectors: https://developer.mozilla.org/it/docs/Web/CSS/CSS_Selectors
+ // Here I define only what I need
+ TYPE_CLASS: TYPE_CLASS,
+
+ TYPE_ID: TYPE_ID,
+
+ /**
+ * Escape string
+ * @param {string} name
+ * @return {string}
+ * @private
+ */
+ escapeName: function escapeName(name) {
+ return ('' + name).trim().replace(/([^a-z0-9\w-]+)/gi, '-');
+ }
+});
+
+module.exports = Selector;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _underscore = __webpack_require__(1);
+
+var Backbone = __webpack_require__(0);
+var $ = Backbone.$;
+
+module.exports = Backbone.View.extend({
+ events: {
+ change: 'onChange'
+ },
+
+ attributes: function attributes() {
+ return this.model.get('attributes');
+ },
+ initialize: function initialize(o) {
+ var model = this.model;
+ var name = model.get('name');
+ var target = model.target;
+ this.config = o.config || {};
+ this.pfx = this.config.stylePrefix || '';
+ this.ppfx = this.config.pStylePrefix || '';
+ this.target = target;
+ this.className = this.pfx + 'trait';
+ this.labelClass = this.ppfx + 'label';
+ this.fieldClass = this.ppfx + 'field ' + this.ppfx + 'field-' + model.get('type');
+ this.inputhClass = this.ppfx + 'input-holder';
+ model.off('change:value', this.onValueChange);
+ this.listenTo(model, 'change:value', this.onValueChange);
+ this.tmpl = '
';
+ },
+
+
+ /**
+ * Fires when the input is changed
+ * @private
+ */
+ onChange: function onChange() {
+ this.model.set('value', this.getInputEl().value);
+ },
+ getValueForTarget: function getValueForTarget() {
+ return this.model.get('value');
+ },
+ setInputValue: function setInputValue(value) {
+ this.getInputEl().value = value;
+ },
+
+
+ /**
+ * On change callback
+ * @private
+ */
+ onValueChange: function onValueChange(model, value) {
+ var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ var mod = this.model;
+ var trg = this.target;
+ var name = mod.get('name');
+
+ if (opts.fromTarget) {
+ this.setInputValue(mod.get('value'));
+ } else {
+ var _value = this.getValueForTarget();
+ mod.setTargetValue(_value);
+ }
+ },
+
+
+ /**
+ * Render label
+ * @private
+ */
+ renderLabel: function renderLabel() {
+ this.$el.html('
' + this.getLabel() + '
');
+ },
+
+
+ /**
+ * Returns label for the input
+ * @return {string}
+ * @private
+ */
+ getLabel: function getLabel() {
+ var model = this.model;
+ var label = model.get('label') || model.get('name');
+ return label.charAt(0).toUpperCase() + label.slice(1).replace(/-/g, ' ');
+ },
+
+
+ /**
+ * Returns input element
+ * @return {HTMLElement}
+ * @private
+ */
+ getInputEl: function getInputEl() {
+ if (!this.$input) {
+ var md = this.model;
+ var trg = this.target;
+ var name = md.get('name');
+ var plh = md.get('placeholder') || md.get('default') || '';
+ var type = md.get('type') || 'text';
+ var attrs = trg.get('attributes');
+ var min = md.get('min');
+ var max = md.get('max');
+ var value = md.get('changeProp') ? trg.get(name) : md.get('value') || attrs[name];
+ var input = $('');
+
+ if (value) {
+ input.prop('value', value);
+ }
+
+ if (min) {
+ input.prop('min', min);
+ }
+
+ if (max) {
+ input.prop('max', max);
+ }
+
+ this.$input = input;
+ }
+ return this.$input.get(0);
+ },
+ getModelValue: function getModelValue() {
+ var value;
+ var model = this.model;
+ var target = this.target;
+ var name = model.get('name');
+
+ if (model.get('changeProp')) {
+ value = target.get(name);
+ } else {
+ var attrs = target.get('attributes');
+ value = model.get('value') || attrs[name];
+ }
+
+ return value;
+ },
+
+
+ /**
+ * Renders input
+ * @private
+ * */
+ renderField: function renderField() {
+ if (!this.$input) {
+ this.$el.append(this.tmpl);
+ var el = this.getInputEl();
+ // I use prepand expecially for checkbox traits
+ var inputWrap = this.el.querySelector('.' + this.inputhClass);
+ inputWrap.insertBefore(el, inputWrap.childNodes[0]);
+ }
+ },
+ render: function render() {
+ this.renderLabel();
+ this.renderField();
+ this.el.className = this.className;
+ return this;
+ }
+});
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;
+
+/*! cash-dom 1.3.5, https://github.com/kenwheeler/cash @license MIT */
+;(function (root, factory) {
+ if (true) {
+ !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+ __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+ (__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
+ __WEBPACK_AMD_DEFINE_FACTORY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+ } else if (typeof exports !== "undefined") {
+ module.exports = factory();
+ } else {
+ root.cash = root.$ = factory();
+ }
+})(this, function () {
+ var doc = document, win = window, ArrayProto = Array.prototype, slice = ArrayProto.slice, filter = ArrayProto.filter, push = ArrayProto.push;
+
+ var noop = function () {}, isFunction = function (item) {
+ // @see https://crbug.com/568448
+ return typeof item === typeof noop && item.call;
+ }, isString = function (item) {
+ return typeof item === typeof "";
+ };
+
+ var idMatch = /^#[\w-]*$/, classMatch = /^\.[\w-]*$/, htmlMatch = /<.+>/, singlet = /^\w+$/;
+
+ function find(selector, context) {
+ context = context || doc;
+ var elems = (classMatch.test(selector) ? context.getElementsByClassName(selector.slice(1)) : singlet.test(selector) ? context.getElementsByTagName(selector) : context.querySelectorAll(selector));
+ return elems;
+ }
+
+ var frag;
+ function parseHTML(str) {
+ if (!frag) {
+ frag = doc.implementation.createHTMLDocument();
+ var base = frag.createElement("base");
+ base.href = doc.location.href;
+ frag.head.appendChild(base);
+ }
+
+ frag.body.innerHTML = str;
+
+ return frag.body.childNodes;
+ }
+
+ function onReady(fn) {
+ if (doc.readyState !== "loading") {
+ fn();
+ } else {
+ doc.addEventListener("DOMContentLoaded", fn);
+ }
+ }
+
+ function Init(selector, context) {
+ if (!selector) {
+ return this;
+ }
+
+ // If already a cash collection, don't do any further processing
+ if (selector.cash && selector !== win) {
+ return selector;
+ }
+
+ var elems = selector, i = 0, length;
+
+ if (isString(selector)) {
+ elems = (idMatch.test(selector) ?
+ // If an ID use the faster getElementById check
+ doc.getElementById(selector.slice(1)) : htmlMatch.test(selector) ?
+ // If HTML, parse it into real elements
+ parseHTML(selector) :
+ // else use `find`
+ find(selector, context));
+
+ // If function, use as shortcut for DOM ready
+ } else if (isFunction(selector)) {
+ onReady(selector);return this;
+ }
+
+ if (!elems) {
+ return this;
+ }
+
+ // If a single DOM element is passed in or received via ID, return the single element
+ if (elems.nodeType || elems === win) {
+ this[0] = elems;
+ this.length = 1;
+ } else {
+ // Treat like an array and loop through each item.
+ length = this.length = elems.length;
+ for (; i < length; i++) {
+ this[i] = elems[i];
+ }
+ }
+
+ return this;
+ }
+
+ function cash(selector, context) {
+ return new Init(selector, context);
+ }
+
+ var fn = cash.fn = cash.prototype = Init.prototype = { // jshint ignore:line
+ cash: true,
+ length: 0,
+ push: push,
+ splice: ArrayProto.splice,
+ map: ArrayProto.map,
+ init: Init
+ };
+
+ Object.defineProperty(fn, "constructor", { value: cash });
+
+ cash.parseHTML = parseHTML;
+ cash.noop = noop;
+ cash.isFunction = isFunction;
+ cash.isString = isString;
+
+ cash.extend = fn.extend = function (target) {
+ target = target || {};
+
+ var args = slice.call(arguments), length = args.length, i = 1;
+
+ if (args.length === 1) {
+ target = this;
+ i = 0;
+ }
+
+ for (; i < length; i++) {
+ if (!args[i]) {
+ continue;
+ }
+ for (var key in args[i]) {
+ if (args[i].hasOwnProperty(key)) {
+ target[key] = args[i][key];
+ }
+ }
+ }
+
+ return target;
+ };
+
+ function each(collection, callback) {
+ var l = collection.length, i = 0;
+
+ for (; i < l; i++) {
+ if (callback.call(collection[i], collection[i], i, collection) === false) {
+ break;
+ }
+ }
+ }
+
+ function matches(el, selector) {
+ var m = el && (el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector || el.oMatchesSelector);
+ return !!m && m.call(el, selector);
+ }
+
+ function getCompareFunction(selector) {
+ return (
+ /* Use browser's `matches` function if string */
+ isString(selector) ? matches :
+ /* Match a cash element */
+ selector.cash ? function (el) {
+ return selector.is(el);
+ } :
+ /* Direct comparison */
+ function (el, selector) {
+ return el === selector;
+ });
+ }
+
+ function unique(collection) {
+ return cash(slice.call(collection).filter(function (item, index, self) {
+ return self.indexOf(item) === index;
+ }));
+ }
+
+ cash.extend({
+ merge: function (first, second) {
+ var len = +second.length, i = first.length, j = 0;
+
+ for (; j < len; i++, j++) {
+ first[i] = second[j];
+ }
+
+ first.length = i;
+ return first;
+ },
+
+ each: each,
+ matches: matches,
+ unique: unique,
+ isArray: Array.isArray,
+ isNumeric: function (n) {
+ return !isNaN(parseFloat(n)) && isFinite(n);
+ }
+
+ });
+
+ var uid = cash.uid = "_cash" + Date.now();
+
+ function getDataCache(node) {
+ return (node[uid] = node[uid] || {});
+ }
+
+ function setData(node, key, value) {
+ return (getDataCache(node)[key] = value);
+ }
+
+ function getData(node, key) {
+ var c = getDataCache(node);
+ if (c[key] === undefined) {
+ c[key] = node.dataset ? node.dataset[key] : cash(node).attr("data-" + key);
+ }
+ return c[key];
+ }
+
+ function removeData(node, key) {
+ var c = getDataCache(node);
+ if (c) {
+ delete c[key];
+ } else if (node.dataset) {
+ delete node.dataset[key];
+ } else {
+ cash(node).removeAttr("data-" + name);
+ }
+ }
+
+ fn.extend({
+ data: function (name, value) {
+ if (isString(name)) {
+ return (value === undefined ? getData(this[0], name) : this.each(function (v) {
+ return setData(v, name, value);
+ }));
+ }
+
+ for (var key in name) {
+ this.data(key, name[key]);
+ }
+
+ return this;
+ },
+
+ removeData: function (key) {
+ return this.each(function (v) {
+ return removeData(v, key);
+ });
+ }
+
+ });
+
+ var notWhiteMatch = /\S+/g;
+
+ function getClasses(c) {
+ return isString(c) && c.match(notWhiteMatch);
+ }
+
+ function hasClass(v, c) {
+ return (v.classList ? v.classList.contains(c) : new RegExp("(^| )" + c + "( |$)", "gi").test(v.className));
+ }
+
+ function addClass(v, c, spacedName) {
+ if (v.classList) {
+ v.classList.add(c);
+ } else if (spacedName.indexOf(" " + c + " ")) {
+ v.className += " " + c;
+ }
+ }
+
+ function removeClass(v, c) {
+ if (v.classList) {
+ v.classList.remove(c);
+ } else {
+ v.className = v.className.replace(c, "");
+ }
+ }
+
+ fn.extend({
+ addClass: function (c) {
+ var classes = getClasses(c);
+
+ return (classes ? this.each(function (v) {
+ var spacedName = " " + v.className + " ";
+ each(classes, function (c) {
+ addClass(v, c, spacedName);
+ });
+ }) : this);
+ },
+
+ attr: function (name, value) {
+ if (!name) {
+ return undefined;
+ }
+
+ if (isString(name)) {
+ if (value === undefined) {
+ return this[0] ? this[0].getAttribute ? this[0].getAttribute(name) : this[0][name] : undefined;
+ }
+
+ return this.each(function (v) {
+ if (v.setAttribute) {
+ v.setAttribute(name, value);
+ } else {
+ v[name] = value;
+ }
+ });
+ }
+
+ for (var key in name) {
+ this.attr(key, name[key]);
+ }
+
+ return this;
+ },
+
+ hasClass: function (c) {
+ var check = false, classes = getClasses(c);
+ if (classes && classes.length) {
+ this.each(function (v) {
+ check = hasClass(v, classes[0]);
+ return !check;
+ });
+ }
+ return check;
+ },
+
+ prop: function (name, value) {
+ if (isString(name)) {
+ return (value === undefined ? this[0][name] : this.each(function (v) {
+ v[name] = value;
+ }));
+ }
+
+ for (var key in name) {
+ this.prop(key, name[key]);
+ }
+
+ return this;
+ },
+
+ removeAttr: function (name) {
+ return this.each(function (v) {
+ if (v.removeAttribute) {
+ v.removeAttribute(name);
+ } else {
+ delete v[name];
+ }
+ });
+ },
+
+ removeClass: function (c) {
+ if (!arguments.length) {
+ return this.attr("class", "");
+ }
+ var classes = getClasses(c);
+ return (classes ? this.each(function (v) {
+ each(classes, function (c) {
+ removeClass(v, c);
+ });
+ }) : this);
+ },
+
+ removeProp: function (name) {
+ return this.each(function (v) {
+ delete v[name];
+ });
+ },
+
+ toggleClass: function (c, state) {
+ if (state !== undefined) {
+ return this[state ? "addClass" : "removeClass"](c);
+ }
+ var classes = getClasses(c);
+ return (classes ? this.each(function (v) {
+ var spacedName = " " + v.className + " ";
+ each(classes, function (c) {
+ if (hasClass(v, c)) {
+ removeClass(v, c);
+ } else {
+ addClass(v, c, spacedName);
+ }
+ });
+ }) : this);
+ } });
+
+ fn.extend({
+ add: function (selector, context) {
+ return unique(cash.merge(this, cash(selector, context)));
+ },
+
+ each: function (callback) {
+ each(this, callback);
+ return this;
+ },
+
+ eq: function (index) {
+ return cash(this.get(index));
+ },
+
+ filter: function (selector) {
+ if (!selector) {
+ return this;
+ }
+
+ var comparator = (isFunction(selector) ? selector : getCompareFunction(selector));
+
+ return cash(filter.call(this, function (e) {
+ return comparator(e, selector);
+ }));
+ },
+
+ first: function () {
+ return this.eq(0);
+ },
+
+ get: function (index) {
+ if (index === undefined) {
+ return slice.call(this);
+ }
+ return (index < 0 ? this[index + this.length] : this[index]);
+ },
+
+ index: function (elem) {
+ var child = elem ? cash(elem)[0] : this[0], collection = elem ? this : cash(child).parent().children();
+ return slice.call(collection).indexOf(child);
+ },
+
+ last: function () {
+ return this.eq(-1);
+ }
+
+ });
+
+ var camelCase = (function () {
+ var camelRegex = /(?:^\w|[A-Z]|\b\w)/g, whiteSpace = /[\s-_]+/g;
+ return function (str) {
+ return str.replace(camelRegex, function (letter, index) {
+ return letter[index === 0 ? "toLowerCase" : "toUpperCase"]();
+ }).replace(whiteSpace, "");
+ };
+ }());
+
+ var getPrefixedProp = (function () {
+ var cache = {}, doc = document, div = doc.createElement("div"), style = div.style;
+
+ return function (prop) {
+ prop = camelCase(prop);
+ if (cache[prop]) {
+ return cache[prop];
+ }
+
+ var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), prefixes = ["webkit", "moz", "ms", "o"], props = (prop + " " + (prefixes).join(ucProp + " ") + ucProp).split(" ");
+
+ each(props, function (p) {
+ if (p in style) {
+ cache[p] = prop = cache[prop] = p;
+ return false;
+ }
+ });
+
+ return cache[prop];
+ };
+ }());
+
+ cash.prefixedProp = getPrefixedProp;
+ cash.camelCase = camelCase;
+
+ fn.extend({
+ css: function (prop, value) {
+ if (isString(prop)) {
+ prop = getPrefixedProp(prop);
+ return (arguments.length > 1 ? this.each(function (v) {
+ return v.style[prop] = value;
+ }) : win.getComputedStyle(this[0])[prop]);
+ }
+
+ for (var key in prop) {
+ this.css(key, prop[key]);
+ }
+
+ return this;
+ }
+
+ });
+
+ function compute(el, prop) {
+ return parseInt(win.getComputedStyle(el[0], null)[prop], 10) || 0;
+ }
+
+ each(["Width", "Height"], function (v) {
+ var lower = v.toLowerCase();
+
+ fn[lower] = function () {
+ return this[0].getBoundingClientRect()[lower];
+ };
+
+ fn["inner" + v] = function () {
+ return this[0]["client" + v];
+ };
+
+ fn["outer" + v] = function (margins) {
+ return this[0]["offset" + v] + (margins ? compute(this, "margin" + (v === "Width" ? "Left" : "Top")) + compute(this, "margin" + (v === "Width" ? "Right" : "Bottom")) : 0);
+ };
+ });
+
+ function registerEvent(node, eventName, callback) {
+ var eventCache = getData(node, "_cashEvents") || setData(node, "_cashEvents", {});
+ eventCache[eventName] = eventCache[eventName] || [];
+ eventCache[eventName].push(callback);
+ node.addEventListener(eventName, callback);
+ }
+
+ function removeEvent(node, eventName, callback) {
+ var events = getData(node, "_cashEvents"), eventCache = (events && events[eventName]), index;
+
+ if (!eventCache) {
+ return;
+ }
+
+ if (callback) {
+ node.removeEventListener(eventName, callback);
+ index = eventCache.indexOf(callback);
+ if (index >= 0) {
+ eventCache.splice(index, 1);
+ }
+ } else {
+ each(eventCache, function (event) {
+ node.removeEventListener(eventName, event);
+ });
+ eventCache = [];
+ }
+ }
+
+ fn.extend({
+ off: function (eventName, callback) {
+ return this.each(function (v) {
+ return removeEvent(v, eventName, callback);
+ });
+ },
+
+ on: function (eventName, delegate, callback, runOnce) {
+ // jshint ignore:line
+
+ var originalCallback;
+
+ if (!isString(eventName)) {
+ for (var key in eventName) {
+ this.on(key, delegate, eventName[key]);
+ }
+ return this;
+ }
+
+ if (isFunction(delegate)) {
+ callback = delegate;
+ delegate = null;
+ }
+
+ if (eventName === "ready") {
+ onReady(callback);
+ return this;
+ }
+
+ if (delegate) {
+ originalCallback = callback;
+ callback = function (e) {
+ var t = e.target;
+
+ while (!matches(t, delegate)) {
+ if (t === this) {
+ return (t = false);
+ }
+ t = t.parentNode;
+ }
+
+ if (t) {
+ originalCallback.call(t, e);
+ }
+ };
+ }
+
+ return this.each(function (v) {
+ var finalCallback = callback;
+ if (runOnce) {
+ finalCallback = function () {
+ callback.apply(this, arguments);
+ removeEvent(v, eventName, finalCallback);
+ };
+ }
+ registerEvent(v, eventName, finalCallback);
+ });
+ },
+
+ one: function (eventName, delegate, callback) {
+ return this.on(eventName, delegate, callback, true);
+ },
+
+ ready: onReady,
+
+ trigger: function (eventName, data) {
+ var evt = doc.createEvent("HTMLEvents");
+ evt.data = data;
+ evt.initEvent(eventName, true, false);
+ return this.each(function (v) {
+ return v.dispatchEvent(evt);
+ });
+ }
+
+ });
+
+ function encode(name, value) {
+ return "&" + encodeURIComponent(name) + "=" + encodeURIComponent(value).replace(/%20/g, "+");
+ }
+
+ function getSelectMultiple_(el) {
+ var values = [];
+ each(el.options, function (o) {
+ if (o.selected) {
+ values.push(o.value);
+ }
+ });
+ return values.length ? values : null;
+ }
+
+ function getSelectSingle_(el) {
+ var selectedIndex = el.selectedIndex;
+ return selectedIndex >= 0 ? el.options[selectedIndex].value : null;
+ }
+
+ function getValue(el) {
+ var type = el.type;
+ if (!type) {
+ return null;
+ }
+ switch (type.toLowerCase()) {
+ case "select-one":
+ return getSelectSingle_(el);
+ case "select-multiple":
+ return getSelectMultiple_(el);
+ case "radio":
+ return (el.checked) ? el.value : null;
+ case "checkbox":
+ return (el.checked) ? el.value : null;
+ default:
+ return el.value ? el.value : null;
+ }
+ }
+
+ fn.extend({
+ serialize: function () {
+ var query = "";
+
+ each(this[0].elements || this, function (el) {
+ if (el.disabled || el.tagName === "FIELDSET") {
+ return;
+ }
+ var name = el.name;
+ switch (el.type.toLowerCase()) {
+ case "file":
+ case "reset":
+ case "submit":
+ case "button":
+ break;
+ case "select-multiple":
+ var values = getValue(el);
+ if (values !== null) {
+ each(values, function (value) {
+ query += encode(name, value);
+ });
+ }
+ break;
+ default:
+ var value = getValue(el);
+ if (value !== null) {
+ query += encode(name, value);
+ }
+ }
+ });
+
+ return query.substr(1);
+ },
+
+ val: function (value) {
+ if (value === undefined) {
+ return getValue(this[0]);
+ } else {
+ return this.each(function (v) {
+ return v.value = value;
+ });
+ }
+ }
+
+ });
+
+ function insertElement(el, child, prepend) {
+ if (prepend) {
+ var first = el.childNodes[0];
+ el.insertBefore(child, first);
+ } else {
+ el.appendChild(child);
+ }
+ }
+
+ function insertContent(parent, child, prepend) {
+ var str = isString(child);
+
+ if (!str && child.length) {
+ each(child, function (v) {
+ return insertContent(parent, v, prepend);
+ });
+ return;
+ }
+
+ each(parent, str ? function (v) {
+ return v.insertAdjacentHTML(prepend ? "afterbegin" : "beforeend", child);
+ } : function (v, i) {
+ return insertElement(v, (i === 0 ? child : child.cloneNode(true)), prepend);
+ });
+ }
+
+ fn.extend({
+ after: function (selector) {
+ cash(selector).insertAfter(this);
+ return this;
+ },
+
+ append: function (content) {
+ insertContent(this, content);
+ return this;
+ },
+
+ appendTo: function (parent) {
+ insertContent(cash(parent), this);
+ return this;
+ },
+
+ before: function (selector) {
+ cash(selector).insertBefore(this);
+ return this;
+ },
+
+ clone: function () {
+ return cash(this.map(function (v) {
+ return v.cloneNode(true);
+ }));
+ },
+
+ empty: function () {
+ this.html("");
+ return this;
+ },
+
+ html: function (content) {
+ if (content === undefined) {
+ return this[0].innerHTML;
+ }
+ var source = (content.nodeType ? content[0].outerHTML : content);
+ return this.each(function (v) {
+ return v.innerHTML = source;
+ });
+ },
+
+ insertAfter: function (selector) {
+ var _this = this;
+
+
+ cash(selector).each(function (el, i) {
+ var parent = el.parentNode, sibling = el.nextSibling;
+ _this.each(function (v) {
+ parent.insertBefore((i === 0 ? v : v.cloneNode(true)), sibling);
+ });
+ });
+
+ return this;
+ },
+
+ insertBefore: function (selector) {
+ var _this2 = this;
+ cash(selector).each(function (el, i) {
+ var parent = el.parentNode;
+ _this2.each(function (v) {
+ parent.insertBefore((i === 0 ? v : v.cloneNode(true)), el);
+ });
+ });
+ return this;
+ },
+
+ prepend: function (content) {
+ insertContent(this, content, true);
+ return this;
+ },
+
+ prependTo: function (parent) {
+ insertContent(cash(parent), this, true);
+ return this;
+ },
+
+ remove: function () {
+ return this.each(function (v) {
+ return v.parentNode.removeChild(v);
+ });
+ },
+
+ text: function (content) {
+ if (content === undefined) {
+ return this[0].textContent;
+ }
+ return this.each(function (v) {
+ return v.textContent = content;
+ });
+ }
+
+ });
+
+ var docEl = doc.documentElement;
+
+ fn.extend({
+ position: function () {
+ var el = this[0];
+ return {
+ left: el.offsetLeft,
+ top: el.offsetTop
+ };
+ },
+
+ offset: function () {
+ var rect = this[0].getBoundingClientRect();
+ return {
+ top: rect.top + win.pageYOffset - docEl.clientTop,
+ left: rect.left + win.pageXOffset - docEl.clientLeft
+ };
+ },
+
+ offsetParent: function () {
+ return cash(this[0].offsetParent);
+ }
+
+ });
+
+ fn.extend({
+ children: function (selector) {
+ var elems = [];
+ this.each(function (el) {
+ push.apply(elems, el.children);
+ });
+ elems = unique(elems);
+
+ return (!selector ? elems : elems.filter(function (v) {
+ return matches(v, selector);
+ }));
+ },
+
+ closest: function (selector) {
+ if (!selector || this.length < 1) {
+ return cash();
+ }
+ if (this.is(selector)) {
+ return this.filter(selector);
+ }
+ return this.parent().closest(selector);
+ },
+
+ is: function (selector) {
+ if (!selector) {
+ return false;
+ }
+
+ var match = false, comparator = getCompareFunction(selector);
+
+ this.each(function (el) {
+ match = comparator(el, selector);
+ return !match;
+ });
+
+ return match;
+ },
+
+ find: function (selector) {
+ if (!selector || selector.nodeType) {
+ return cash(selector && this.has(selector).length ? selector : null);
+ }
+
+ var elems = [];
+ this.each(function (el) {
+ push.apply(elems, find(selector, el));
+ });
+
+ return unique(elems);
+ },
+
+ has: function (selector) {
+ var comparator = (isString(selector) ? function (el) {
+ return find(selector, el).length !== 0;
+ } : function (el) {
+ return el.contains(selector);
+ });
+
+ return this.filter(comparator);
+ },
+
+ next: function () {
+ return cash(this[0].nextElementSibling);
+ },
+
+ not: function (selector) {
+ if (!selector) {
+ return this;
+ }
+
+ var comparator = getCompareFunction(selector);
+
+ return this.filter(function (el) {
+ return !comparator(el, selector);
+ });
+ },
+
+ parent: function () {
+ var result = [];
+
+ this.each(function (item) {
+ if (item && item.parentNode) {
+ result.push(item.parentNode);
+ }
+ });
+
+ return unique(result);
+ },
+
+ parents: function (selector) {
+ var last, result = [];
+
+ this.each(function (item) {
+ last = item;
+
+ while (last && last.parentNode && last !== doc.body.parentNode) {
+ last = last.parentNode;
+
+ if (!selector || (selector && matches(last, selector))) {
+ result.push(last);
+ }
+ }
+ });
+
+ return unique(result);
+ },
+
+ prev: function () {
+ return cash(this[0].previousElementSibling);
+ },
+
+ siblings: function () {
+ var collection = this.parent().children(), el = this[0];
+
+ return collection.filter(function (i) {
+ return i !== el;
+ });
+ }
+
+ });
+
+
+ return cash;
+});
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _underscore = __webpack_require__(1);
+
+var Selector = __webpack_require__(7);
+
+module.exports = __webpack_require__(0).Collection.extend({
+ model: Selector,
+
+ getStyleable: function getStyleable() {
+ return (0, _underscore.filter)(this.models, function (item) {
+ return item.get('active') && !item.get('private');
+ });
+ },
+ getValid: function getValid() {
+ return (0, _underscore.filter)(this.models, function (item) {
+ return !item.get('private');
+ });
+ },
+ getFullString: function getFullString(collection) {
+ var result = [];
+ var coll = collection || this;
+ coll.forEach(function (selector) {
+ return result.push(selector.getFullName());
+ });
+ return result.join('').trim();
+ }
+});
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var _TypeableCollection = __webpack_require__(32);
+
+var _TypeableCollection2 = _interopRequireDefault(_TypeableCollection);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Property = __webpack_require__(12);
+
+module.exports = __webpack_require__(0).Collection.extend(_TypeableCollection2.default).extend({
+ types: [{
+ id: 'stack',
+ model: __webpack_require__(119),
+ view: __webpack_require__(34),
+ isType: function isType(value) {
+ if (value && value.type == 'stack') {
+ return value;
+ }
+ }
+ }, {
+ id: 'composite',
+ model: __webpack_require__(33),
+ view: __webpack_require__(17),
+ isType: function isType(value) {
+ if (value && value.type == 'composite') {
+ return value;
+ }
+ }
+ }, {
+ id: 'file',
+ model: Property,
+ view: __webpack_require__(40),
+ isType: function isType(value) {
+ if (value && value.type == 'file') {
+ return value;
+ }
+ }
+ }, {
+ id: 'color',
+ model: Property,
+ view: __webpack_require__(38),
+ isType: function isType(value) {
+ if (value && value.type == 'color') {
+ return value;
+ }
+ }
+ }, {
+ id: 'select',
+ model: __webpack_require__(41),
+ view: __webpack_require__(37),
+ isType: function isType(value) {
+ if (value && value.type == 'select') {
+ return value;
+ }
+ }
+ }, {
+ id: 'radio',
+ model: __webpack_require__(41),
+ view: __webpack_require__(36),
+ isType: function isType(value) {
+ if (value && value.type == 'radio') {
+ return value;
+ }
+ }
+ }, {
+ id: 'slider',
+ model: __webpack_require__(125),
+ view: __webpack_require__(126),
+ isType: function isType(value) {
+ if (value && value.type == 'slider') {
+ return value;
+ }
+ }
+ }, {
+ id: 'integer',
+ model: __webpack_require__(42),
+ view: __webpack_require__(14),
+ isType: function isType(value) {
+ if (value && value.type == 'integer') {
+ return value;
+ }
+ }
+ }, {
+ id: 'base',
+ model: Property,
+ view: __webpack_require__(5),
+ isType: function isType(value) {
+ value.type = 'base';
+ return value;
+ }
+ }],
+
+ deepClone: function deepClone() {
+ var collection = this.clone();
+ collection.reset(collection.map(function (model) {
+ var cloned = model.clone();
+ cloned.typeView = model.typeView;
+ return cloned;
+ }));
+ return collection;
+ },
+
+
+ /**
+ * Parse a value and return an array splitted by properties
+ * @param {string} value
+ * @return {Array}
+ * @return
+ */
+ parseValue: function parseValue(value) {
+ var _this = this;
+
+ var properties = [];
+ var values = value.split(' ');
+ values.forEach(function (value, i) {
+ var property = _this.at(i);
+ properties.push(_extends({}, property.attributes, { value: value }));
+ });
+ return properties;
+ },
+ getFullValue: function getFullValue() {
+ var result = '';
+ this.each(function (model) {
+ return result += model.getFullValue() + ' ';
+ });
+ return result.trim();
+ }
+});
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+module.exports = __webpack_require__(0).Model.extend({
+ defaults: {
+ name: '',
+ property: '',
+ type: '',
+ defaults: '',
+ info: '',
+ value: '',
+ icon: '',
+ functionName: '',
+ status: '',
+ visible: true,
+ fixedValues: ['initial', 'inherit'],
+
+ // If true, will be hidden by default and will show up only for targets
+ // which require this property (via `stylable-require`)
+ // Use case:
+ // you can add all SVG CSS properties with toRequire as true
+ // and then require them on SVG Components
+ toRequire: 0
+ },
+
+ initialize: function initialize(opt) {
+ var o = opt || {};
+ var name = this.get('name');
+ var prop = this.get('property');
+
+ if (!name) {
+ this.set('name', prop.charAt(0).toUpperCase() + prop.slice(1).replace(/-/g, ' '));
+ }
+
+ var init = this.init && this.init.bind(this);
+ init && init();
+ },
+
+
+ /**
+ * Update value
+ * @param {any} value
+ * @param {Boolen} [complete=true] Indicates if it's a final state
+ * @param {Object} [opts={}] Options
+ */
+ setValue: function setValue(value) {
+ var complete = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+ var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ var parsed = this.parseValue(value);
+ this.set(parsed, _extends({}, opts, { avoidStore: 1 }));
+
+ // It's important to set an empty value, otherwise the
+ // UndoManager won't see the change
+ if (complete) {
+ this.set('value', '', opts);
+ this.set(parsed, opts);
+ }
+ },
+
+
+ /**
+ * Like `setValue` but, in addition, prevents the update of the input element
+ * as the changes should come from the input itself.
+ * This method is useful with the definition of custom properties
+ * @param {any} value
+ * @param {Boolen} [complete=true] Indicates if it's a final state
+ * @param {Object} [opts={}] Options
+ */
+ setValueFromInput: function setValueFromInput(value, complete) {
+ var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ this.setValue(value, complete, _extends({}, opts, { fromInput: 1 }));
+ },
+
+
+ /**
+ * Parse a raw value, generally fetched from the target, for this property
+ * @param {string} value Raw value string
+ * @return {Object}
+ * @example
+ * // example with an Input type
+ * prop.parseValue('translateX(10deg)');
+ * // -> { value: 10, unit: 'deg', functionName: 'translateX' }
+ *
+ */
+ parseValue: function parseValue(value) {
+ var result = { value: value };
+
+ if (!this.get('functionName')) {
+ return result;
+ }
+
+ var args = [];
+ var valueStr = '' + value;
+ var start = valueStr.indexOf('(') + 1;
+ var end = valueStr.lastIndexOf(')');
+ args.push(start);
+
+ // Will try even if the last closing parentheses is not found
+ if (end >= 0) {
+ args.push(end);
+ }
+
+ result.value = String.prototype.substring.apply(valueStr, args);
+ return result;
+ },
+
+
+ /**
+ * Get the default value
+ * @return {string}
+ * @private
+ */
+ getDefaultValue: function getDefaultValue() {
+ return this.get('defaults');
+ },
+
+
+ /**
+ * Get a complete value of the property.
+ * This probably will replace the getValue when all
+ * properties models will be splitted
+ * @param {string} val Custom value to replace the one on the model
+ * @return {string}
+ * @private
+ */
+ getFullValue: function getFullValue(val) {
+ var fn = this.get('functionName');
+ var value = val || this.get('value');
+
+ if (fn) {
+ value = fn + '(' + value + ')';
+ }
+
+ return value;
+ }
+});
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone) {
+
+var PropertyView = __webpack_require__(5);
+var PropertyIntegerView = __webpack_require__(14);
+var PropertyRadioView = __webpack_require__(36);
+var PropertySelectView = __webpack_require__(37);
+var PropertyColorView = __webpack_require__(38);
+var PropertyFileView = __webpack_require__(40);
+var PropertyCompositeView = __webpack_require__(17);
+var PropertyStackView = __webpack_require__(34);
+
+module.exports = Backbone.View.extend({
+ initialize: function initialize(o) {
+ this.config = o.config || {};
+ this.pfx = this.config.stylePrefix || '';
+ this.target = o.target || {};
+ this.propTarget = o.propTarget || {};
+ this.onChange = o.onChange;
+ this.onInputRender = o.onInputRender || {};
+ this.customValue = o.customValue || {};
+ var coll = this.collection;
+ this.listenTo(coll, 'add', this.addTo);
+ this.listenTo(coll, 'reset', this.render);
+ },
+ addTo: function addTo(model) {
+ this.add(model);
+ },
+ add: function add(model, frag) {
+ var view = new model.typeView({
+ model: model,
+ name: model.get('name'),
+ id: this.pfx + model.get('property'),
+ target: this.target,
+ propTarget: this.propTarget,
+ onChange: this.onChange,
+ onInputRender: this.onInputRender,
+ config: this.config
+ });
+
+ if (model.get('type') != 'composite') {
+ view.customValue = this.customValue;
+ }
+
+ view.render();
+ var el = view.el;
+
+ if (frag) {
+ frag.appendChild(el);
+ } else {
+ this.el.appendChild(el);
+ }
+ },
+ render: function render() {
+ var _this = this;
+
+ var fragment = document.createDocumentFragment();
+ this.collection.each(function (model) {
+ return _this.add(model, fragment);
+ });
+ this.$el.append(fragment);
+ this.$el.attr('class', this.pfx + 'properties');
+ return this;
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone) {
+
+var InputNumber = __webpack_require__(18);
+var $ = Backbone.$;
+
+module.exports = __webpack_require__(5).extend({
+ templateInput: function templateInput() {
+ return '';
+ },
+ init: function init() {
+ var model = this.model;
+ this.listenTo(model, 'change:unit', this.modelValueChanged);
+ this.listenTo(model, 'el:change', this.elementUpdated);
+ },
+ setValue: function setValue(value) {
+ this.inputInst.setValue(value, { silent: 1 });
+ },
+ onRender: function onRender() {
+ var ppfx = this.ppfx;
+
+ if (!this.input) {
+ var input = this.model.input;
+ input.ppfx = ppfx;
+ input.render();
+ var fields = this.el.querySelector('.' + ppfx + 'fields');
+ fields.appendChild(input.el);
+ this.$input = input.inputEl;
+ this.unit = input.unitEl;
+ this.$unit = $(this.unit);
+ this.input = this.$input.get(0);
+ this.inputInst = input;
+ }
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Backbone = __webpack_require__(0);
+var ComponentView = __webpack_require__(3);
+
+module.exports = ComponentView.extend({
+ tagName: 'img',
+
+ events: {
+ dblclick: 'openModal',
+ click: 'initResize'
+ },
+
+ initialize: function initialize(o) {
+ var model = this.model;
+ ComponentView.prototype.initialize.apply(this, arguments);
+ this.listenTo(model, 'change:src', this.updateSrc);
+ this.listenTo(model, 'dblclick active', this.openModal);
+ this.classEmpty = this.ppfx + 'plh-image';
+ var config = this.config;
+ config.modal && (this.modal = config.modal);
+ config.am && (this.am = config.am);
+ this.fetchFile();
+ },
+
+
+ /**
+ * Fetch file if exists
+ */
+ fetchFile: function fetchFile() {
+ var model = this.model;
+ var file = model.get('file');
+
+ if (file) {
+ var fu = this.em.get('AssetManager').FileUploader();
+ fu.uploadFile({
+ dataTransfer: { files: [file] }
+ }, function (res) {
+ var obj = res && res.data && res.data[0];
+ var src = obj && obj.src;
+ src && model.set({ src: src });
+ });
+ model.set('file', '');
+ }
+ },
+
+
+ /**
+ * Update src attribute
+ * @private
+ * */
+ updateSrc: function updateSrc() {
+ var src = this.model.get('src');
+ var el = this.$el;
+ el.attr('src', src);
+ el[src ? 'removeClass' : 'addClass'](this.classEmpty);
+ },
+
+
+ /**
+ * Open dialog for image changing
+ * @param {Object} e Event
+ * @private
+ * */
+ openModal: function openModal(e) {
+ var em = this.opts.config.em;
+ var editor = em ? em.get('Editor') : '';
+
+ if (editor && this.model.get('editable')) {
+ editor.runCommand('open-assets', {
+ target: this.model,
+ onSelect: function onSelect() {
+ editor.Modal.close();
+ editor.AssetManager.setTarget(null);
+ }
+ });
+ }
+ },
+ render: function render() {
+ this.updateAttributes();
+ this.updateClasses();
+
+ var actCls = this.$el.attr('class') || '';
+ if (!this.model.get('src')) this.$el.attr('class', (actCls + ' ' + this.classEmpty).trim());
+
+ // Avoid strange behaviours while try to drag
+ this.$el.attr('onmousedown', 'return false');
+ return this;
+ }
+});
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+var g;
+
+// This works in non-strict mode
+g = (function() {
+ return this;
+})();
+
+try {
+ // This works if eval is allowed (see CSP)
+ g = g || Function("return this")() || (1,eval)("this");
+} catch(e) {
+ // This works if the window reference is available
+ if(typeof window === "object")
+ g = window;
+}
+
+// g can still be undefined, but nothing to do about it...
+// We return undefined, instead of nothing here, so it's
+// easier to handle this case. if(!global) { ...}
+
+module.exports = g;
+
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone) {
+
+var PropertyView = __webpack_require__(5);
+var $ = Backbone.$;
+
+module.exports = PropertyView.extend({
+ templateInput: function templateInput() {
+ var pfx = this.pfx;
+ return '\n
\n \n
\n ';
+ },
+ inputValueChanged: function inputValueChanged() {
+ // If it's not detached (eg. 'padding: 1px 2px 3px 4px;') it will follow
+ // the same flow of PropertyView
+ if (!this.model.get('detached')) {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ PropertyView.prototype.inputValueChanged.apply(this, args);
+ }
+ },
+
+
+ /**
+ * Renders input
+ * */
+ onRender: function onRender() {
+ var model = this.model;
+ var props = model.get('properties') || [];
+ var self = this;
+
+ if (props.length) {
+ if (!this.$input) {
+ this.$input = $('');
+ this.input = this.$input.get(0);
+ }
+
+ if (!this.props) {
+ this.props = model.get('properties');
+ }
+
+ if (!this.$props) {
+ //Not yet supported nested composite
+ this.props.each(function (prop, index) {
+ if (prop && prop.get('type') == 'composite') {
+ this.props.remove(prop);
+ console.warn('Nested composite types not yet allowed.');
+ }
+ prop.parent = model;
+ }, this);
+
+ var PropertiesView = __webpack_require__(13);
+ var propsView = new PropertiesView(this.getPropsConfig());
+ this.$props = propsView.render().$el;
+ this.$el.find('#' + this.pfx + 'input-holder').append(this.$props);
+ }
+ }
+ },
+
+
+ /**
+ * Returns configurations that should be past to properties
+ * @param {Object} opts
+ * @return {Object}
+ */
+ getPropsConfig: function getPropsConfig(opts) {
+ var that = this;
+ var model = this.model;
+
+ var result = {
+ config: this.config,
+ collection: this.props,
+ target: this.target,
+ propTarget: this.propTarget,
+ // On any change made to children I need to update composite value
+ onChange: function onChange(el, view, opts) {
+ model.set('value', model.getFullValue(), opts);
+ },
+
+ // Each child property will receive a full composite string, eg. '0px 0px 10px 0px'
+ // I need to extract from that string the corresponding one to that property.
+ customValue: function customValue(property, mIndex) {
+ return that.valueOnIndex(mIndex, property);
+ }
+ };
+
+ // If detached let follow its standard flow
+ if (model.get('detached')) {
+ delete result.onChange;
+ }
+
+ return result;
+ },
+
+
+ /**
+ * Extract string from composite value
+ * @param {number} index Index
+ * @param {Object} view Property view
+ * @return {string}
+ * */
+ valueOnIndex: function valueOnIndex(index, view) {
+ var value = void 0;
+ var targetValue = this.getTargetValue({ ignoreDefault: 1 });
+
+ // If the target value of the composite is not empty I'll fetch
+ // the corresponding value from the requested index, otherwise try
+ // to get the value of the sub-property
+ if (targetValue) {
+ var values = targetValue.split(' ');
+ value = values[index];
+ } else {
+ value = view && view.getTargetValue({ ignoreCustomValue: 1, ignoreDefault: 1 });
+ }
+
+ if (view) {
+ value = view.model.parseValue(value).value;
+ }
+
+ return value;
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(_) {
+
+var _underscore = __webpack_require__(1);
+
+var _mixins = __webpack_require__(2);
+
+var Input = __webpack_require__(35);
+var Backbone = __webpack_require__(0);
+var $ = Backbone.$;
+
+module.exports = Input.extend({
+ events: {
+ 'change input': 'handleChange',
+ 'change select': 'handleUnitChange',
+ 'click [data-arrow-up]': 'upArrowClick',
+ 'click [data-arrow-down]': 'downArrowClick',
+ 'mousedown [data-arrows]': 'downIncrement'
+ },
+
+ template: function template() {
+ var ppfx = this.ppfx;
+ return '\n \n \n
\n \n \n
\n ';
+ },
+ inputClass: function inputClass() {
+ var ppfx = this.ppfx;
+ return this.opts.contClass || ppfx + 'field ' + ppfx + 'field-integer';
+ },
+ initialize: function initialize() {
+ var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ Input.prototype.initialize.apply(this, arguments);
+ (0, _underscore.bindAll)(this, 'moveIncrement', 'upIncrement');
+ this.doc = document;
+ this.listenTo(this.model, 'change:unit', this.handleModelChange);
+ },
+
+
+ /**
+ * Set value to the model
+ * @param {string} value
+ * @param {Object} opts
+ */
+ setValue: function setValue(value, opts) {
+ var opt = opts || {};
+ var valid = this.validateInputValue(value, { deepCheck: 1 });
+ var validObj = { value: valid.value };
+
+ // If found some unit value
+ if (valid.unit || valid.force) {
+ validObj.unit = valid.unit;
+ }
+
+ this.model.set(validObj, opt);
+
+ // Generally I get silent when I need to reflect data to view without
+ // reupdating the target
+ if (opt.silent) {
+ this.handleModelChange();
+ }
+ },
+
+
+ /**
+ * Handled when the view is changed
+ */
+ handleChange: function handleChange(e) {
+ e.stopPropagation();
+ this.setValue(this.getInputEl().value);
+ this.elementUpdated();
+ },
+
+
+ /**
+ * Handled when the view is changed
+ */
+ handleUnitChange: function handleUnitChange(e) {
+ e.stopPropagation();
+ var value = this.getUnitEl().value;
+ this.model.set('unit', value);
+ this.elementUpdated();
+ },
+
+
+ /**
+ * Fired when the element of the property is updated
+ */
+ elementUpdated: function elementUpdated() {
+ this.model.trigger('el:change');
+ },
+
+
+ /**
+ * Updates the view when the model is changed
+ * */
+ handleModelChange: function handleModelChange() {
+ var model = this.model;
+ this.getInputEl().value = model.get('value');
+ var unitEl = this.getUnitEl();
+ unitEl && (unitEl.value = model.get('unit') || '');
+ },
+
+
+ /**
+ * Get the unit element
+ * @return {HTMLElement}
+ */
+ getUnitEl: function getUnitEl() {
+ if (!this.unitEl) {
+ var model = this.model;
+ var units = model.get('units') || [];
+
+ if (units.length) {
+ var options = [];
+
+ units.forEach(function (unit) {
+ var selected = unit == model.get('unit') ? 'selected' : '';
+ options.push('');
+ });
+
+ var temp = document.createElement('div');
+ temp.innerHTML = '';
+ this.unitEl = temp.firstChild;
+ }
+ }
+
+ return this.unitEl;
+ },
+
+
+ /**
+ * Invoked when the up arrow is clicked
+ * */
+ upArrowClick: function upArrowClick() {
+ var model = this.model;
+ var step = model.get('step');
+ var value = parseInt(model.get('value'), 10);
+ value = this.normalizeValue(value + step);
+ var valid = this.validateInputValue(value);
+ model.set('value', valid.value);
+ this.elementUpdated();
+ },
+
+
+ /**
+ * Invoked when the down arrow is clicked
+ * */
+ downArrowClick: function downArrowClick() {
+ var model = this.model;
+ var step = model.get('step');
+ var value = parseInt(model.get('value'), 10);
+ var val = this.normalizeValue(value - step);
+ var valid = this.validateInputValue(val);
+ model.set('value', valid.value);
+ this.elementUpdated();
+ },
+
+
+ /**
+ * Change easily integer input value with click&drag method
+ * @param Event
+ *
+ * @return void
+ * */
+ downIncrement: function downIncrement(e) {
+ e.preventDefault();
+ this.moved = 0;
+ var value = this.model.get('value');
+ value = this.normalizeValue(value);
+ this.current = { y: e.pageY, val: value };
+ (0, _mixins.on)(this.doc, 'mousemove', this.moveIncrement);
+ (0, _mixins.on)(this.doc, 'mouseup', this.upIncrement);
+ },
+
+
+ /** While the increment is clicked, moving the mouse will update input value
+ * @param Object
+ *
+ * @return bool
+ * */
+ moveIncrement: function moveIncrement(ev) {
+ this.moved = 1;
+ var model = this.model;
+ var step = model.get('step');
+ var data = this.current;
+ var pos = this.normalizeValue(data.val + (data.y - ev.pageY) * step);
+ this.prValue = this.validateInputValue(pos).value;
+ model.set('value', this.prValue, { avoidStore: 1 });
+ return false;
+ },
+
+
+ /**
+ * Stop moveIncrement method
+ * */
+ upIncrement: function upIncrement() {
+ var model = this.model;
+ var step = model.get('step');
+ (0, _mixins.off)(this.doc, 'mouseup', this.upIncrement);
+ (0, _mixins.off)(this.doc, 'mousemove', this.moveIncrement);
+
+ if (this.prValue && this.moved) {
+ var value = this.prValue - step;
+ model.set('value', value, { avoidStore: 1 }).set('value', value + step);
+ this.elementUpdated();
+ }
+ },
+ normalizeValue: function normalizeValue(value) {
+ var defValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+
+ var model = this.model;
+ var step = model.get('step');
+ var stepDecimals = 0;
+
+ if (isNaN(value)) {
+ return defValue;
+ }
+
+ value = parseFloat(value);
+
+ if (Math.floor(value) !== value) {
+ var side = step.toString().split('.')[1];
+ stepDecimals = side ? side.length : 0;
+ }
+
+ return stepDecimals ? parseFloat(value.toFixed(stepDecimals)) : value;
+ },
+
+
+ /**
+ * Validate input value
+ * @param {String} value Raw value
+ * @param {Object} opts Options
+ * @return {Object} Validated string
+ */
+ validateInputValue: function validateInputValue(value, opts) {
+ var force = 0;
+ var opt = opts || {};
+ var model = this.model;
+ var val = value !== '' ? value : model.get('defaults');
+ var units = model.get('units') || [];
+ var unit = model.get('unit') || units.length && units[0] || '';
+ var max = model.get('max');
+ var min = model.get('min');
+
+ if (opt.deepCheck) {
+ var fixed = model.get('fixedValues') || [];
+
+ if (val) {
+ // If the value is one of the fixed values I leave it as it is
+ var regFixed = new RegExp('^' + fixed.join('|'), 'g');
+ if (fixed.length && regFixed.test(val)) {
+ val = val.match(regFixed)[0];
+ unit = '';
+ force = 1;
+ } else {
+ var valCopy = val + '';
+ val += ''; // Make it suitable for replace
+ val = parseFloat(val.replace(',', '.'));
+ val = !isNaN(val) ? val : model.get('defaults');
+ var uN = valCopy.replace(val, '');
+ // Check if exists as unit
+ if (_.indexOf(units, uN) >= 0) unit = uN;
+ }
+ }
+ }
+
+ if (typeof max !== 'undefined' && max !== '') val = val > max ? max : val;
+
+ if (typeof min !== 'undefined' && min !== '') val = val < min ? min : val;
+
+ return {
+ force: force,
+ value: val,
+ unit: unit
+ };
+ },
+ render: function render() {
+ Input.prototype.render.call(this);
+ var unit = this.getUnitEl();
+ unit && this.$el.find('.' + this.ppfx + 'field-units').get(0).appendChild(unit);
+ return this;
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(1)))
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var Component = __webpack_require__(4);
+
+module.exports = Component.extend({
+ defaults: _extends({}, Component.prototype.defaults, {
+ type: 'tbody',
+ tagName: 'tbody',
+ draggable: ['table'],
+ droppable: ['tr'],
+ columns: 1,
+ rows: 1
+ }),
+
+ initialize: function initialize(o, opt) {
+ Component.prototype.initialize.apply(this, arguments);
+ var components = this.get('components');
+ var columns = this.get('columns');
+ var rows = this.get('rows');
+
+ // Init components if empty
+ if (!components.length) {
+ var rowsToAdd = [];
+
+ while (rows--) {
+ var columnsToAdd = [];
+ var clm = columns;
+
+ while (clm--) {
+ columnsToAdd.push({
+ type: 'cell',
+ classes: ['cell']
+ });
+ }
+
+ rowsToAdd.push({
+ type: 'row',
+ classes: ['row'],
+ components: columnsToAdd
+ });
+ }
+
+ components.add(rowsToAdd);
+ }
+ }
+}, {
+ isComponent: function isComponent(el) {
+ var result = '';
+
+ if (el.tagName == 'TBODY') {
+ result = { type: 'tbody' };
+ }
+
+ return result;
+ }
+});
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var Component = __webpack_require__(4);
+
+module.exports = Component.extend({
+ defaults: _extends({}, Component.prototype.defaults, {
+ type: 'image',
+ tagName: 'img',
+ src: '',
+ void: 1,
+ droppable: 0,
+ editable: 1,
+ highlightable: 0,
+ resizable: 1,
+ traits: ['alt'],
+
+ // File to load asynchronously once the model is rendered
+ file: ''
+ }),
+
+ initialize: function initialize(o, opt) {
+ Component.prototype.initialize.apply(this, arguments);
+ var attr = this.get('attributes');
+ if (attr.src) this.set('src', attr.src);
+ },
+ initToolbar: function initToolbar() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ Component.prototype.initToolbar.apply(this, args);
+ var em = this.em;
+
+ if (em) {
+ var cmd = em.get('Commands');
+ var cmdName = 'image-editor';
+
+ // Add Image Editor button only if the default command exists
+ if (cmd.has(cmdName)) {
+ var tb = this.get('toolbar');
+ tb.push({
+ attributes: { class: 'fa fa-pencil' },
+ command: cmdName
+ });
+ this.set('toolbar', tb);
+ }
+ }
+ },
+
+
+ /**
+ * Returns object of attributes for HTML
+ * @return {Object}
+ * @private
+ */
+ getAttrToHTML: function getAttrToHTML() {
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ var attr = Component.prototype.getAttrToHTML.apply(this, args);
+ delete attr.onmousedown;
+ var src = this.get('src');
+ if (src) attr.src = src;
+ return attr;
+ },
+
+
+ /**
+ * Parse uri
+ * @param {string} uri
+ * @return {object}
+ * @private
+ */
+ parseUri: function parseUri(uri) {
+ var el = document.createElement('a');
+ el.href = uri;
+ var query = {};
+ var qrs = el.search.substring(1).split('&');
+ for (var i = 0; i < qrs.length; i++) {
+ var pair = qrs[i].split('=');
+ var name = decodeURIComponent(pair[0]);
+ if (name) query[name] = decodeURIComponent(pair[1]);
+ }
+ return {
+ hostname: el.hostname,
+ pathname: el.pathname,
+ protocol: el.protocol,
+ search: el.search,
+ hash: el.hash,
+ port: el.port,
+ query: query
+ };
+ }
+}, {
+ /**
+ * Detect if the passed element is a valid component.
+ * In case the element is valid an object abstracted
+ * from the element will be returned
+ * @param {HTMLElement}
+ * @return {Object}
+ * @private
+ */
+ isComponent: function isComponent(el) {
+ var result = '';
+ if (el.tagName == 'IMG') {
+ result = { type: 'image' };
+ }
+ return result;
+ }
+});
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _underscore = __webpack_require__(1);
+
+var _mixins = __webpack_require__(2);
+
+var ToolbarView = __webpack_require__(187);
+var Toolbar = __webpack_require__(189);
+var key = __webpack_require__(23);
+var $ = __webpack_require__(0).$;
+var showOffsets = void 0;
+
+module.exports = {
+ init: function init(o) {
+ (0, _underscore.bindAll)(this, 'onHover', 'onOut', 'onClick', 'onKeyPress', 'onFrameScroll');
+ },
+ enable: function enable() {
+ this.frameOff = this.canvasOff = this.adjScroll = null;
+ var config = this.config.em.get('Config');
+ this.startSelectComponent();
+ var em = this.config.em;
+ showOffsets = 1;
+
+ em.on('component:update', this.updateAttached, this);
+ em.on('change:canvasOffset', this.updateAttached, this);
+ },
+
+
+ /**
+ * Start select component event
+ * @private
+ * */
+ startSelectComponent: function startSelectComponent() {
+ this.toggleSelectComponent(1);
+ },
+
+
+ /**
+ * Stop select component event
+ * @private
+ * */
+ stopSelectComponent: function stopSelectComponent() {
+ this.toggleSelectComponent();
+ },
+
+
+ /**
+ * Toggle select component event
+ * @private
+ * */
+ toggleSelectComponent: function toggleSelectComponent(enable) {
+ var em = this.em;
+ var method = enable ? 'on' : 'off';
+ var methods = { on: _mixins.on, off: _mixins.off };
+ var body = this.getCanvasBody();
+ var win = this.getContentWindow();
+ methods[method](body, 'mouseover', this.onHover);
+ methods[method](body, 'mouseout', this.onOut);
+ methods[method](body, 'click', this.onClick);
+ methods[method](win, 'scroll', this.onFrameScroll);
+ methods[method](win, 'keydown', this.onKeyPress);
+ em[method]('change:selectedComponent', this.onSelect, this);
+ },
+
+
+ /**
+ * On key press event
+ * @private
+ * */
+ onKeyPress: function onKeyPress(e) {
+ var key = e.which || e.keyCode;
+ var comp = this.editorModel.get('selectedComponent');
+ var focused = this.frameEl.contentDocument.activeElement.tagName !== 'BODY';
+
+ // On CANC (46) or Backspace (8)
+ if (key == 8 || key == 46) {
+ if (!focused) e.preventDefault();
+ if (comp && !focused) {
+ if (!comp.get('removable')) return;
+ comp.set('status', '');
+ comp.destroy();
+ this.hideBadge();
+ this.clean();
+ this.hideHighlighter();
+ this.editorModel.set('selectedComponent', null);
+ }
+ }
+ },
+
+
+ /**
+ * Hover command
+ * @param {Object} e
+ * @private
+ */
+ onHover: function onHover(e) {
+ e.stopPropagation();
+ var trg = e.target;
+ var model = $(trg).data('model');
+
+ // Adjust tools scroll top
+ if (!this.adjScroll) {
+ this.adjScroll = 1;
+ this.onFrameScroll(e);
+ this.updateAttached();
+ }
+
+ if (model && !model.get('hoverable')) {
+ var comp = model && model.parent();
+ while (comp && !comp.get('hoverable')) {
+ comp = comp.parent();
+ }comp && (trg = comp.view.el);
+ }
+
+ var pos = this.getElementPos(trg);
+ this.updateBadge(trg, pos);
+ this.updateHighlighter(trg, pos);
+ this.showElementOffset(trg, pos);
+ },
+
+
+ /**
+ * Out command
+ * @param {Object} e
+ * @private
+ */
+ onOut: function onOut(e) {
+ e.stopPropagation();
+ this.hideBadge();
+ this.hideHighlighter();
+ this.hideElementOffset();
+ },
+
+
+ /**
+ * Show element offset viewer
+ * @param {HTMLElement} el
+ * @param {Object} pos
+ */
+ showElementOffset: function showElementOffset(el, pos) {
+ var $el = $(el);
+ var model = $el.data('model');
+
+ if (model && model.get('status') == 'selected' || !showOffsets) {
+ return;
+ }
+
+ this.editor.runCommand('show-offset', {
+ el: el,
+ elPos: pos
+ });
+ },
+
+
+ /**
+ * Hide element offset viewer
+ * @param {HTMLElement} el
+ * @param {Object} pos
+ */
+ hideElementOffset: function hideElementOffset(el, pos) {
+ this.editor.stopCommand('show-offset');
+ },
+
+
+ /**
+ * Show fixed element offset viewer
+ * @param {HTMLElement} el
+ * @param {Object} pos
+ */
+ showFixedElementOffset: function showFixedElementOffset(el, pos) {
+ this.editor.runCommand('show-offset', {
+ el: el,
+ elPos: pos,
+ state: 'Fixed'
+ });
+ },
+
+
+ /**
+ * Hide fixed element offset viewer
+ * @param {HTMLElement} el
+ * @param {Object} pos
+ */
+ hideFixedElementOffset: function hideFixedElementOffset(el, pos) {
+ if (this.editor) this.editor.stopCommand('show-offset', { state: 'Fixed' });
+ },
+
+
+ /**
+ * Hide Highlighter element
+ */
+ hideHighlighter: function hideHighlighter() {
+ this.canvas.getHighlighter().style.display = 'none';
+ },
+
+
+ /**
+ * On element click
+ * @param {Event} e
+ * @private
+ */
+ onClick: function onClick(e) {
+ e.stopPropagation();
+ var model = $(e.target).data('model');
+ var editor = this.editor;
+
+ if (model) {
+ if (model.get('selectable')) {
+ editor.select(model);
+ } else {
+ var parent = model.parent();
+ while (parent && !parent.get('selectable')) {
+ parent = parent.parent();
+ }parent && editor.select(parent);
+ }
+ }
+ },
+
+
+ /**
+ * Update badge for the component
+ * @param {Object} Component
+ * @param {Object} pos Position object
+ * @private
+ * */
+ updateBadge: function updateBadge(el, pos) {
+ var $el = $(el);
+ var canvas = this.canvas;
+ var config = canvas.getConfig();
+ var customeLabel = config.customBadgeLabel;
+ this.cacheEl = el;
+ var model = $el.data('model');
+ if (!model || !model.get('badgable')) return;
+ var badge = this.getBadge();
+ var badgeLabel = model.getIcon() + model.getName();
+ badgeLabel = customeLabel ? customeLabel(model) : badgeLabel;
+ badge.innerHTML = badgeLabel;
+ var bStyle = badge.style;
+ var u = 'px';
+ bStyle.display = 'block';
+ var canvasPos = canvas.getCanvasView().getPosition();
+ var badgeH = badge ? badge.offsetHeight : 0;
+ var badgeW = badge ? badge.offsetWidth : 0;
+ var top = pos.top - badgeH < canvasPos.top ? canvasPos.top : pos.top - badgeH;
+ var left = pos.left + badgeW < canvasPos.left ? canvasPos.left : pos.left;
+ bStyle.top = top + u;
+ bStyle.left = left + u;
+ },
+
+
+ /**
+ * Update highlighter element
+ * @param {HTMLElement} el
+ * @param {Object} pos Position object
+ * @private
+ */
+ updateHighlighter: function updateHighlighter(el, pos) {
+ var $el = $(el);
+ var model = $el.data('model');
+
+ if (!model || !model.get('hoverable') || model.get('status') == 'selected') {
+ return;
+ }
+
+ var hlEl = this.canvas.getHighlighter();
+ var hlStyle = hlEl.style;
+ var unit = 'px';
+ hlStyle.left = pos.left + unit;
+ hlStyle.top = pos.top + unit;
+ hlStyle.height = pos.height + unit;
+ hlStyle.width = pos.width + unit;
+ hlStyle.display = 'block';
+ },
+
+
+ /**
+ * Say what to do after the component was selected
+ * @param {Object} e
+ * @param {Object} el
+ * @private
+ * */
+ onSelect: function onSelect() {
+ var editor = this.editor;
+ var model = this.em.getSelected();
+ this.updateToolbar(model);
+
+ if (model) {
+ var el = model.view.el;
+ this.showFixedElementOffset(el);
+ this.hideElementOffset();
+ this.hideHighlighter();
+ this.initResize(el);
+ } else {
+ editor.stopCommand('resize');
+ }
+ },
+
+
+ /**
+ * Init resizer on the element if possible
+ * @param {HTMLElement} el
+ * @private
+ */
+ initResize: function initResize(el) {
+ var em = this.em;
+ var editor = em ? em.get('Editor') : '';
+ var config = em ? em.get('Config') : '';
+ var pfx = config.stylePrefix || '';
+ var attrName = 'data-' + pfx + 'handler';
+ var resizeClass = pfx + 'resizing';
+ var model = em.get('selectedComponent');
+ var resizable = model.get('resizable');
+ var options = {};
+ var modelToStyle;
+
+ var toggleBodyClass = function toggleBodyClass(method, e, opts) {
+ var docs = opts.docs;
+ docs && docs.forEach(function (doc) {
+ var body = doc.body;
+ var cls = body.className || '';
+ body.className = (method == 'add' ? cls + ' ' + resizeClass : cls.replace(resizeClass, '')).trim();
+ });
+ };
+
+ if (editor && resizable) {
+ options = {
+ // Here the resizer is updated with the current element height and width
+ onStart: function onStart(e) {
+ var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var el = opts.el,
+ config = opts.config,
+ resizer = opts.resizer;
+ var keyHeight = config.keyHeight,
+ keyWidth = config.keyWidth,
+ currentUnit = config.currentUnit;
+
+ toggleBodyClass('add', e, opts);
+ modelToStyle = em.get('StyleManager').getModelToStyle(model);
+ var computedStyle = getComputedStyle(el);
+ var modelStyle = modelToStyle.getStyle();
+ var currentWidth = modelStyle[keyWidth] || computedStyle[keyWidth];
+ var currentHeight = modelStyle[keyHeight] || computedStyle[keyHeight];
+ resizer.startDim.w = parseFloat(currentWidth);
+ resizer.startDim.h = parseFloat(currentHeight);
+ showOffsets = 0;
+
+ if (currentUnit) {
+ config.unitHeight = (0, _mixins.getUnitFromValue)(currentHeight);
+ config.unitWidth = (0, _mixins.getUnitFromValue)(currentWidth);
+ }
+ },
+
+
+ // Update all positioned elements (eg. component toolbar)
+ onMove: function onMove() {
+ editor.trigger('change:canvasOffset');
+ },
+ onEnd: function onEnd(e, opts) {
+ toggleBodyClass('remove', e, opts);
+ editor.trigger('change:canvasOffset');
+ showOffsets = 1;
+ },
+ updateTarget: function updateTarget(el, rect) {
+ var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ if (!modelToStyle) {
+ return;
+ }
+
+ var store = options.store,
+ selectedHandler = options.selectedHandler,
+ config = options.config;
+ var keyHeight = config.keyHeight,
+ keyWidth = config.keyWidth;
+
+ var onlyHeight = ['tc', 'bc'].indexOf(selectedHandler) >= 0;
+ var onlyWidth = ['cl', 'cr'].indexOf(selectedHandler) >= 0;
+ var style = modelToStyle.getStyle();
+
+ if (!onlyHeight) {
+ style[keyWidth] = rect.w + config.unitWidth;
+ }
+
+ if (!onlyWidth) {
+ style[keyHeight] = rect.h + config.unitHeight;
+ }
+
+ modelToStyle.setStyle(style, { avoidStore: 1 });
+ var updateEvent = 'update:component:style';
+ em && em.trigger(updateEvent + ':' + keyHeight + ' ' + updateEvent + ':' + keyWidth);
+
+ if (store) {
+ modelToStyle.trigger('change:style', modelToStyle, style, {});
+ }
+ }
+ };
+
+ if ((typeof resizable === 'undefined' ? 'undefined' : _typeof(resizable)) == 'object') {
+ options = _extends({}, options, resizable);
+ }
+
+ editor.runCommand('resize', { el: el, options: options });
+
+ // On undo/redo the resizer rect is not updating, need somehow to call
+ // this.updateRect on undo/redo action
+ }
+ },
+
+
+ /**
+ * Update toolbar if the component has one
+ * @param {Object} mod
+ */
+ updateToolbar: function updateToolbar(mod) {
+ var em = this.config.em;
+ var model = mod == em ? em.get('selectedComponent') : mod;
+ var toolbarEl = this.canvas.getToolbarEl();
+ var toolbarStyle = toolbarEl.style;
+
+ if (!model) {
+ // By putting `toolbarStyle.display = 'none'` will cause kind
+ // of freezed effect with component selection (probably by iframe
+ // switching)
+ toolbarStyle.opacity = 0;
+ return;
+ }
+
+ var toolbar = model.get('toolbar');
+ var ppfx = this.ppfx;
+ var showToolbar = em.get('Config').showToolbar;
+
+ if (showToolbar && toolbar && toolbar.length) {
+ toolbarStyle.opacity = '';
+ toolbarStyle.display = '';
+ if (!this.toolbar) {
+ toolbarEl.innerHTML = '';
+ this.toolbar = new Toolbar(toolbar);
+ var toolbarView = new ToolbarView({
+ collection: this.toolbar,
+ editor: this.editor
+ });
+ toolbarEl.appendChild(toolbarView.render().el);
+ }
+
+ this.toolbar.reset(toolbar);
+ var view = model.view;
+ view && this.updateToolbarPos(view.el);
+ } else {
+ toolbarStyle.display = 'none';
+ }
+ },
+
+
+ /**
+ * Update toolbar positions
+ * @param {HTMLElement} el
+ * @param {Object} pos
+ */
+ updateToolbarPos: function updateToolbarPos(el, elPos) {
+ var unit = 'px';
+ var toolbarEl = this.canvas.getToolbarEl();
+ var toolbarStyle = toolbarEl.style;
+ var origDisp = toolbarStyle.display;
+ toolbarStyle.display = 'block';
+ var pos = this.canvas.getTargetToElementDim(toolbarEl, el, {
+ elPos: elPos,
+ event: 'toolbarPosUpdate'
+ });
+ var leftPos = pos.left + pos.elementWidth - pos.targetWidth;
+ toolbarStyle.top = pos.top + unit;
+ toolbarStyle.left = (leftPos < 0 ? 0 : leftPos) + unit;
+ toolbarStyle.display = origDisp;
+ },
+
+
+ /**
+ * Return canvas dimensions and positions
+ * @return {Object}
+ */
+ getCanvasPosition: function getCanvasPosition() {
+ return this.canvas.getCanvasView().getPosition();
+ },
+
+
+ /**
+ * Removes all highlighting effects on components
+ * @private
+ * */
+ clean: function clean() {
+ if (this.selEl) this.selEl.removeClass(this.hoverClass);
+ },
+
+
+ /**
+ * Returns badge element
+ * @return {HTMLElement}
+ * @private
+ */
+ getBadge: function getBadge() {
+ return this.canvas.getBadgeEl();
+ },
+
+
+ /**
+ * On frame scroll callback
+ * @private
+ */
+ onFrameScroll: function onFrameScroll(e) {
+ var el = this.cacheEl;
+ if (el) {
+ var elPos = this.getElementPos(el);
+ this.updateBadge(el, elPos);
+ var model = this.em.get('selectedComponent');
+
+ if (model) {
+ this.updateToolbarPos(model.view.el);
+ }
+ }
+ },
+
+
+ /**
+ * Update attached elements, eg. component toolbar
+ * @return {[type]} [description]
+ */
+ updateAttached: function updateAttached(updated) {
+ var model = this.em.getSelected();
+
+ if (model) {
+ var view = model.view;
+ this.updateToolbarPos(view.el);
+ this.showFixedElementOffset(view.el);
+ }
+ },
+
+
+ /**
+ * Returns element's data info
+ * @param {HTMLElement} el
+ * @return {Object}
+ * @private
+ */
+ getElementPos: function getElementPos(el, badge) {
+ return this.canvas.getCanvasView().getElementPos(el);
+ },
+
+
+ /**
+ * Hide badge
+ * @private
+ * */
+ hideBadge: function hideBadge() {
+ this.getBadge().style.display = 'none';
+ },
+
+
+ /**
+ * Clean previous model from different states
+ * @param {Component} model
+ * @private
+ */
+ cleanPrevious: function cleanPrevious(model) {
+ model && model.set({
+ status: '',
+ state: ''
+ });
+ },
+
+
+ /**
+ * Returns content window
+ * @private
+ */
+ getContentWindow: function getContentWindow() {
+ return this.frameEl.contentWindow;
+ },
+ run: function run(editor) {
+ this.editor = editor && editor.get('Editor');
+ this.enable();
+ this.onSelect();
+ },
+ stop: function stop(editor, sender) {
+ var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ var em = this.em;
+ this.stopSelectComponent();
+ !opts.preserveSelected && em.setSelected(null);
+ this.clean();
+ this.hideBadge();
+ this.hideFixedElementOffset();
+ this.canvas.getToolbarEl().style.display = 'none';
+
+ em.off('component:update', this.updateAttached, this);
+ em.off('change:canvasOffset', this.updateAttached, this);
+ em.off('change:selectedComponent', this.updateToolbar, this);
+ }
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Backbone, _) {
+
+var SelectPosition = __webpack_require__(54);
+var $ = Backbone.$;
+
+module.exports = _.extend({}, SelectPosition, {
+ init: function init(opt) {
+ _.bindAll(this, 'startDraw', 'draw', 'endDraw', 'rollback');
+ this.config = opt || {};
+ this.hType = this.config.newFixedH ? 'height' : 'min-height';
+ this.allowDraw = 1;
+ },
+
+
+ /**
+ * Start with enabling to select position and listening to start drawning
+ * @private
+ * */
+ enable: function enable() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ SelectPosition.enable.apply(this, args);
+ this.$wr.css('cursor', 'crosshair');
+ if (this.allowDraw) this.$wr.on('mousedown', this.startDraw);
+ this.ghost = this.canvas.getGhostEl();
+ },
+
+
+ /**
+ * Start drawing component
+ * @param {Object} e Event
+ * @private
+ * */
+ startDraw: function startDraw(e) {
+ e.preventDefault();
+ this.stopSelectPosition();
+ this.ghost.style.display = 'block';
+ this.frameOff = this.getOffsetDim();
+ this.startPos = {
+ top: e.pageY + this.frameOff.top,
+ left: e.pageX + this.frameOff.left
+ };
+ this.isDragged = false;
+ this.tempComponent = { style: {} };
+ this.beforeDraw(this.tempComponent);
+ this.updateSize(this.startPos.top, this.startPos.left, 0, 0);
+ this.toggleEvents(1);
+ },
+
+
+ /**
+ * Enable/Disable events
+ * @param {Boolean} enable
+ */
+ toggleEvents: function toggleEvents(enable) {
+ var method = enable ? 'on' : 'off';
+ this.$wr[method]('mousemove', this.draw);
+ this.$wr[method]('mouseup', this.endDraw);
+ this.$canvas[method]('mousemove', this.draw);
+ $(document)[method]('mouseup', this.endDraw);
+ $(document)[method]('keypress', this.rollback);
+ },
+
+
+ /**
+ * While drawing the component
+ * @param {Object} e Event
+ * @private
+ * */
+ draw: function draw(e) {
+ this.isDragged = true;
+ this.updateComponentSize(e);
+ },
+
+
+ /**
+ * End drawing component
+ * @param {Object} e Event
+ * @private
+ * */
+ endDraw: function endDraw(e) {
+ this.toggleEvents();
+ var model = {};
+ // Only if the mouse was moved
+ if (this.isDragged) {
+ this.updateComponentSize(e);
+ this.setRequirements(this.tempComponent);
+ var lp = this.sorter.lastPos;
+ model = this.create(this.sorter.target, this.tempComponent, lp.index, lp.method);
+ this.sorter.prevTarget = null;
+ }
+ this.ghost.style.display = 'none';
+ this.startSelectPosition();
+ this.afterDraw(model);
+ },
+
+
+ /**
+ * Create new component inside the target
+ * @param {Object} target Tha target collection
+ * @param {Object} component New component to create
+ * @param {number} index Index inside the collection, 0 if no children inside
+ * @param {string} method Before or after of the children
+ * @param {Object} opts Options
+ */
+ create: function create(target, component, index, method, opts) {
+ index = method === 'after' ? index + 1 : index;
+ var opt = opts || {};
+ var $trg = $(target);
+ var trgModel = $trg.data('model');
+ var trgCollection = $trg.data('collection');
+ var droppable = trgModel ? trgModel.get('droppable') : 1;
+ opt.at = index;
+ if (trgCollection && droppable) return trgCollection.add(component, opt);else console.warn('Invalid target position');
+ },
+
+
+ /**
+ * Check and set basic requirements for the component
+ * @param {Object} component New component to be created
+ * @return {Object} Component updated
+ * @private
+ * */
+ setRequirements: function setRequirements(component) {
+ var c = this.config;
+ var compStl = component.style;
+ // Check min width
+ if (compStl.width.replace(/\D/g, '') < c.minComponentW) compStl.width = c.minComponentW + 'px';
+ // Check min height
+ if (compStl[this.hType].replace(/\D/g, '') < c.minComponentH) compStl[this.hType] = c.minComponentH + 'px';
+ // Set overflow in case of fixed height
+ if (c.newFixedH) compStl.overflow = 'auto';
+ if (!this.absoluteMode) {
+ delete compStl.left;
+ delete compStl.top;
+ } else compStl.position = 'absolute';
+ var lp = this.sorter.lastPos;
+
+ if (this.nearFloat(lp.index, lp.method, this.sorter.lastDims)) compStl.float = 'left';
+
+ if (this.config.firstCentered && this.getCanvasWrapper() == this.sorter.target) {
+ compStl.margin = '0 auto';
+ }
+
+ return component;
+ },
+
+
+ /**
+ * Update new component size while drawing
+ * @param {Object} e Event
+ * @private
+ * */
+ updateComponentSize: function updateComponentSize(e) {
+ var y = e.pageY + this.frameOff.top;
+ var x = e.pageX + this.frameOff.left;
+ var start = this.startPos;
+ var top = start.top;
+ var left = start.left;
+ var height = y - top;
+ var width = x - left;
+ if (x < left) {
+ left = x;
+ width = start.left - x;
+ }
+ if (y < top) {
+ top = y;
+ height = start.top - y;
+ }
+ this.updateSize(top, left, width, height);
+ },
+
+
+ /**
+ * Update size
+ * @private
+ */
+ updateSize: function updateSize(top, left, width, height) {
+ var u = 'px';
+ var ghStl = this.ghost.style;
+ var compStl = this.tempComponent.style;
+ ghStl.top = compStl.top = top + u;
+ ghStl.left = compStl.left = left + u;
+ ghStl.width = compStl.width = width + u;
+ ghStl[this.hType] = compStl[this.hType] = height + u;
+ },
+
+
+ /**
+ * Used to bring the previous situation before event started
+ * @param {Object} e Event
+ * @param {Boolean} forse Indicates if rollback in anycase
+ * @private
+ * */
+ rollback: function rollback(e, force) {
+ var key = e.which || e.keyCode;
+ if (key == this.config.ESCAPE_KEY || force) {
+ this.isDragged = false;
+ this.endDraw();
+ }
+ return;
+ },
+
+
+ /**
+ * This event is triggered at the beginning of a draw operation
+ * @param {Object} component Object component before creation
+ * @private
+ * */
+ beforeDraw: function beforeDraw(component) {
+ component.editable = false; //set this component editable
+ },
+
+
+ /**
+ * This event is triggered at the end of a draw operation
+ * @param {Object} model Component model created
+ * @private
+ * */
+ afterDraw: function afterDraw(model) {},
+ run: function run(editor, sender, opts) {
+ this.editor = editor;
+ this.sender = sender;
+ this.$wr = this.$wrapper;
+ this.enable();
+ },
+ stop: function stop() {
+ this.stopSelectPosition();
+ this.$wrapper.css('cursor', '');
+ this.$wrapper.unbind();
+ }
+});
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0), __webpack_require__(1)))
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// keymaster.js
+// (c) 2011-2013 Thomas Fuchs
+// keymaster.js may be freely distributed under the MIT license.
+
+;(function(global){
+ var k,
+ _handlers = {},
+ _mods = { 16: false, 18: false, 17: false, 91: false },
+ _scope = 'all',
+ // modifier keys
+ _MODIFIERS = {
+ '⇧': 16, shift: 16,
+ '⌥': 18, alt: 18, option: 18,
+ '⌃': 17, ctrl: 17, control: 17,
+ '⌘': 91, command: 91
+ },
+ // special keys
+ _MAP = {
+ backspace: 8, tab: 9, clear: 12,
+ enter: 13, 'return': 13,
+ esc: 27, escape: 27, space: 32,
+ left: 37, up: 38,
+ right: 39, down: 40,
+ del: 46, 'delete': 46,
+ home: 36, end: 35,
+ pageup: 33, pagedown: 34,
+ ',': 188, '.': 190, '/': 191,
+ '`': 192, '-': 189, '=': 187,
+ ';': 186, '\'': 222,
+ '[': 219, ']': 221, '\\': 220
+ },
+ code = function(x){
+ return _MAP[x] || x.toUpperCase().charCodeAt(0);
+ },
+ _downKeys = [];
+
+ for(k=1;k<20;k++) _MAP['f'+k] = 111+k;
+
+ // IE doesn't support Array#indexOf, so have a simple replacement
+ function index(array, item){
+ var i = array.length;
+ while(i--) if(array[i]===item) return i;
+ return -1;
+ }
+
+ // for comparing mods before unassignment
+ function compareArray(a1, a2) {
+ if (a1.length != a2.length) return false;
+ for (var i = 0; i < a1.length; i++) {
+ if (a1[i] !== a2[i]) return false;
+ }
+ return true;
+ }
+
+ var modifierMap = {
+ 16:'shiftKey',
+ 18:'altKey',
+ 17:'ctrlKey',
+ 91:'metaKey'
+ };
+ function updateModifierKey(event) {
+ for(k in _mods) _mods[k] = event[modifierMap[k]];
+ };
+
+ // handle keydown event
+ function dispatch(event) {
+ var key, handler, k, i, modifiersMatch, scope;
+ key = event.keyCode;
+
+ if (index(_downKeys, key) == -1) {
+ _downKeys.push(key);
+ }
+
+ // if a modifier key, set the key. property to true and return
+ if(key == 93 || key == 224) key = 91; // right command on webkit, command on Gecko
+ if(key in _mods) {
+ _mods[key] = true;
+ // 'assignKey' from inside this closure is exported to window.key
+ for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = true;
+ return;
+ }
+ updateModifierKey(event);
+
+ // see if we need to ignore the keypress (filter() can can be overridden)
+ // by default ignore key presses if a select, textarea, or input is focused
+ if(!assignKey.filter.call(this, event)) return;
+
+ // abort if no potentially matching shortcuts found
+ if (!(key in _handlers)) return;
+
+ scope = getScope();
+
+ // for each potential shortcut
+ for (i = 0; i < _handlers[key].length; i++) {
+ handler = _handlers[key][i];
+
+ // see if it's in the current scope
+ if(handler.scope == scope || handler.scope == 'all'){
+ // check if modifiers match if any
+ modifiersMatch = handler.mods.length > 0;
+ for(k in _mods)
+ if((!_mods[k] && index(handler.mods, +k) > -1) ||
+ (_mods[k] && index(handler.mods, +k) == -1)) modifiersMatch = false;
+ // call the handler and stop the event if neccessary
+ if((handler.mods.length == 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91]) || modifiersMatch){
+ if(handler.method(event, handler)===false){
+ if(event.preventDefault) event.preventDefault();
+ else event.returnValue = false;
+ if(event.stopPropagation) event.stopPropagation();
+ if(event.cancelBubble) event.cancelBubble = true;
+ }
+ }
+ }
+ }
+ };
+
+ // unset modifier keys on keyup
+ function clearModifier(event){
+ var key = event.keyCode, k,
+ i = index(_downKeys, key);
+
+ // remove key from _downKeys
+ if (i >= 0) {
+ _downKeys.splice(i, 1);
+ }
+
+ if(key == 93 || key == 224) key = 91;
+ if(key in _mods) {
+ _mods[key] = false;
+ for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = false;
+ }
+ };
+
+ function resetModifiers() {
+ for(k in _mods) _mods[k] = false;
+ for(k in _MODIFIERS) assignKey[k] = false;
+ };
+
+ // parse and assign shortcut
+ function assignKey(key, scope, method){
+ var keys, mods;
+ keys = getKeys(key);
+ if (method === undefined) {
+ method = scope;
+ scope = 'all';
+ }
+
+ // for each shortcut
+ for (var i = 0; i < keys.length; i++) {
+ // set modifier keys if any
+ mods = [];
+ key = keys[i].split('+');
+ if (key.length > 1){
+ mods = getMods(key);
+ key = [key[key.length-1]];
+ }
+ // convert to keycode and...
+ key = key[0]
+ key = code(key);
+ // ...store handler
+ if (!(key in _handlers)) _handlers[key] = [];
+ _handlers[key].push({ shortcut: keys[i], scope: scope, method: method, key: keys[i], mods: mods });
+ }
+ };
+
+ // unbind all handlers for given key in current scope
+ function unbindKey(key, scope) {
+ var multipleKeys, keys,
+ mods = [],
+ i, j, obj;
+
+ multipleKeys = getKeys(key);
+
+ for (j = 0; j < multipleKeys.length; j++) {
+ keys = multipleKeys[j].split('+');
+
+ if (keys.length > 1) {
+ mods = getMods(keys);
+ key = keys[keys.length - 1];
+ }
+
+ key = code(key);
+
+ if (scope === undefined) {
+ scope = getScope();
+ }
+ if (!_handlers[key]) {
+ return;
+ }
+ for (i = 0; i < _handlers[key].length; i++) {
+ obj = _handlers[key][i];
+ // only clear handlers if correct scope and mods match
+ if (obj.scope === scope && compareArray(obj.mods, mods)) {
+ _handlers[key][i] = {};
+ }
+ }
+ }
+ };
+
+ // Returns true if the key with code 'keyCode' is currently down
+ // Converts strings into key codes.
+ function isPressed(keyCode) {
+ if (typeof(keyCode)=='string') {
+ keyCode = code(keyCode);
+ }
+ return index(_downKeys, keyCode) != -1;
+ }
+
+ function getPressedKeyCodes() {
+ return _downKeys.slice(0);
+ }
+
+ function filter(event){
+ var tagName = (event.target || event.srcElement).tagName;
+ // ignore keypressed in any elements that support keyboard data input
+ return !(tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
+ }
+
+ // initialize key. to false
+ for(k in _MODIFIERS) assignKey[k] = false;
+
+ // set current scope (default 'all')
+ function setScope(scope){ _scope = scope || 'all' };
+ function getScope(){ return _scope || 'all' };
+
+ // delete all handlers for a given scope
+ function deleteScope(scope){
+ var key, handlers, i;
+
+ for (key in _handlers) {
+ handlers = _handlers[key];
+ for (i = 0; i < handlers.length; ) {
+ if (handlers[i].scope === scope) handlers.splice(i, 1);
+ else i++;
+ }
+ }
+ };
+
+ // abstract key logic for assign and unassign
+ function getKeys(key) {
+ var keys;
+ key = key.replace(/\s/g, '');
+ keys = key.split(',');
+ if ((keys[keys.length - 1]) == '') {
+ keys[keys.length - 2] += ',';
+ }
+ return keys;
+ }
+
+ // abstract mods logic for assign and unassign
+ function getMods(key) {
+ var mods = key.slice(0, key.length - 1);
+ for (var mi = 0; mi < mods.length; mi++)
+ mods[mi] = _MODIFIERS[mods[mi]];
+ return mods;
+ }
+
+ // cross-browser events
+ function addEvent(object, event, method) {
+ if (object.addEventListener)
+ object.addEventListener(event, method, false);
+ else if(object.attachEvent)
+ object.attachEvent('on'+event, function(){ method(window.event) });
+ };
+
+ // set the handlers globally on document
+ addEvent(document, 'keydown', function(event) { dispatch(event) }); // Passing _scope to a callback to ensure it remains the same by execution. Fixes #48
+ addEvent(document, 'keyup', clearModifier);
+
+ // reset modifiers to false whenever the window is (re)focused.
+ addEvent(window, 'focus', resetModifiers);
+
+ // store previously defined key
+ var previousKey = global.key;
+
+ // restore previously defined key and return reference to our key object
+ function noConflict() {
+ var k = global.key;
+ global.key = previousKey;
+ return k;
+ }
+
+ // set window.key and window.key.set/get/deleteScope, and the default filter
+ global.key = assignKey;
+ global.key.setScope = setScope;
+ global.key.getScope = getScope;
+ global.key.deleteScope = deleteScope;
+ global.key.filter = filter;
+ global.key.isPressed = isPressed;
+ global.key.getPressedKeyCodes = getPressedKeyCodes;
+ global.key.noConflict = noConflict;
+ global.key.unbind = unbindKey;
+
+ if(true) module.exports = assignKey;
+
+})(this);
+
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+
+var _promisePolyfill = __webpack_require__(75);
+
+var _promisePolyfill2 = _interopRequireDefault(_promisePolyfill);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+window.Promise = window.Promise || _promisePolyfill2.default;
+
+exports.default = typeof fetch == 'function' ? fetch.bind() : function (url, options) {
+ return new _promisePolyfill2.default(function (res, rej) {
+ var req = new XMLHttpRequest();
+ req.open(options.method || 'get', url);
+ req.withCredentials = options.credentials == 'include';
+
+ for (var k in options.headers || {}) {
+ req.setRequestHeader(k, options.headers[k]);
+ }
+
+ req.onload = function (e) {
+ return res({
+ status: req.status,
+ statusText: req.statusText,
+ text: function text() {
+ return _promisePolyfill2.default.resolve(req.responseText);
+ }
+ });
+ };
+ req.onerror = rej;
+
+ // Actually, fetch doesn't support onProgress feature
+ if (req.upload && options.onProgress) {
+ req.upload.onprogress = options.onProgress;
+ }
+
+ // Include body only if present
+ options.body ? req.send(options.body) : req.send();
+ });
+};
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function (config) {
+ var TEXT_NODE = 'span';
+ var c = config;
+ var modelAttrStart = 'data-gjs-';
+
+ return {
+ compTypes: '',
+
+ /**
+ * Parse style string to object
+ * @param {string} str
+ * @return {Object}
+ * @example
+ * var stl = ParserHtml.parseStyle('color:black; width:100px; test:value;');
+ * console.log(stl);
+ * // {color: 'black', width: '100px', test: 'value'}
+ */
+ parseStyle: function parseStyle(str) {
+ var result = {};
+ var decls = str.split(';');
+ for (var i = 0, len = decls.length; i < len; i++) {
+ var decl = decls[i].trim();
+ if (!decl) continue;
+ var prop = decl.split(':');
+ result[prop[0].trim()] = prop.slice(1).join(':').trim();
+ }
+ return result;
+ },
+
+
+ /**
+ * Parse class string to array
+ * @param {string} str
+ * @return {Array}
+ * @example
+ * var res = ParserHtml.parseClass('test1 test2 test3');
+ * console.log(res);
+ * // ['test1', 'test2', 'test3']
+ */
+ parseClass: function parseClass(str) {
+ var result = [];
+ var cls = str.split(' ');
+ for (var i = 0, len = cls.length; i < len; i++) {
+ var cl = cls[i].trim();
+ var reg = new RegExp('^' + c.pStylePrefix);
+ if (!cl || reg.test(cl)) continue;
+ result.push(cl);
+ }
+ return result;
+ },
+
+
+ /**
+ * Get data from the node element
+ * @param {HTMLElement} el DOM element to traverse
+ * @return {Array