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/* 0 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Backbone.js 1.3.3
// (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
// http://backbonejs.org
(function(factory) {
// Establish the root object, `window` (`self`) in the browser, or `global` on the server.
// We use `self` instead of `window` for `WebWorker` support.
var root = (typeof self == 'object' && self.self === self && self) ||
(typeof global == 'object' && global.global === global && global);
// Set up Backbone appropriately for the environment. Start with AMD.
if (true) {
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(1), __webpack_require__(9), exports], __WEBPACK_AMD_DEFINE_RESULT__ = function(_, $, exports) {
// 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