Option to disable PDF realtime preview

Signed-off-by: Kristián Feldsam <feldsam@gmail.com>

app/Http/Controllers/AccountController.php

@@ -820,6 +820,7 @@ class AccountController extends BaseController
         $user->save();
 
         $account->live_preview = Input::get('live_preview') ? true : false;
+        $account->realtime_preview = Input::get('realtime_preview') ? true : false;
 
         // Automatically disable live preview when using a large font
         $fonts = Cache::get('fonts')->filter(function ($font) use ($account) {

app/Models/Account.php

@@ -127,6 +127,7 @@ class Account extends Eloquent
         'enable_client_portal_dashboard',
         'page_size',
         'live_preview',
+        'realtime_preview',
         'invoice_number_padding',
         'enable_second_tax_rate',
         'auto_bill_on_due_date',

app/Ninja/Transformers/AccountTransformer.php

@@ -352,6 +352,7 @@ class AccountTransformer extends EntityTransformer
             'enable_client_portal_dashboard' => (bool) $account->enable_client_portal_dashboard,
             'page_size' => $account->page_size,
             'live_preview' => (bool) $account->live_preview,
+            'realtime_preview' => (bool) $account->realtime_preview,
             'invoice_number_padding' => (int) $account->invoice_number_padding,
             'enable_second_tax_rate' => (bool) $account->enable_second_tax_rate,
             'auto_bill_on_due_date' => (bool) $account->auto_bill_on_due_date,

database/migrations/2019_04_29_195445_add_realtime_preview_to_accounts.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddRealtimePreviewToAccounts extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('accounts', function ($table) {
+            $table->boolean('realtime_preview')->after('live_preview')->default(1);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('accounts', function ($table) {
+            $table->dropColumn('realtime_preview');
+        });
+    }
+}

resources/lang/en/texts.php

@@ -2041,7 +2041,9 @@ $LANG = array(
     'update_credit' => 'Update Credit',
     'updated_credit' => 'Successfully updated credit',
     'edit_credit' => 'Edit Credit',
-    'live_preview_help' => 'Display a live PDF preview on the invoice page.<br/>Disable this to improve performance when editing invoices.',
+    'realtime_preview' => 'Realtime Preview',
+    'realtime_preview_help' => 'Realtime refresh PDF preview on the invoice page when editing invoice.<br/>Disable this to improve performance when editing invoices.',
+    'live_preview_help' => 'Display a live PDF preview on the invoice page.',
     'force_pdfjs_help' => 'Replace the built-in PDF viewer in :chrome_link and :firefox_link.<br/>Enable this if your browser is automatically downloading the PDF.',
     'force_pdfjs' => 'Prevent Download',
     'redirect_url' => 'Redirect URL',

resources/views/accounts/management.blade.php

@@ -172,6 +172,7 @@
 
 		{!! Former::open('settings/account_management') !!}
 		{!! Former::populateField('live_preview', intval($account->live_preview)) !!}
+		{!! Former::populateField('realtime_preview', intval($account->realtime_preview)) !!}
 		{!! Former::populateField('force_pdfjs', intval(Auth::user()->force_pdfjs)) !!}
 
 		<div class="panel panel-default">
@@ -221,6 +222,11 @@
 						->help(trans('texts.live_preview_help') . '<br/>' . trans('texts.recommend_on'))
 						->value(1) !!}
 
+				{!! Former::checkbox('realtime_preview')
+						->text(trans('texts.enable'))
+						->help(trans('texts.realtime_preview_help'))
+						->value(1) !!}
+
 				{!! Former::checkbox('force_pdfjs')
 						->text(trans('texts.enable'))
 						->value(1)
@@ -378,6 +384,11 @@
         }
     }
 
+    function updateCheckboxes() {
+        var checked = $('#live_preview').is(':checked');
+        $('#realtime_preview').prop('disabled', ! checked);
+    }
+
   	jQuery(document).ready(function($){
 		function updatePlanModal() {
 			var plan = $('#plan').val();
@@ -407,6 +418,9 @@
 	  	updatePlanModal();
         onPlanChange();
 
+        $('#live_preview').change(updateCheckboxes);
+        updateCheckboxes();
+
 		if(window.location.hash) {
 			var hash = window.location.hash;
 			$(hash).modal('toggle');

resources/views/invoices/edit.blade.php

@@ -550,6 +550,10 @@
 				@endif
             @else
 				@if (!$invoice->is_deleted)
+					@if ( ! Auth::user()->account->realtime_preview && Auth::user()->account->live_preview)
+						{!! Button::normal('PDF')->withAttributes(['id' => 'refreshPdfButton', 'onclick' => 'refreshPDF(true,true)'])->appendIcon(Icon::create('refresh')) !!}
+					@endif
+
 					@if ($invoice->isSent())
 						{!! Button::success(trans("texts.save_{$entityType}"))->withAttributes(array('id' => 'saveButton', 'onclick' => 'onSaveClick()'))->appendIcon(Icon::create('floppy-disk')) !!}
 					@else
@@ -577,7 +581,7 @@
 
 	</center>
 
-	@include('invoices.pdf', ['account' => Auth::user()->account, 'hide_pdf' => ! Auth::user()->account->live_preview])
+	@include('invoices.pdf', ['account' => Auth::user()->account, 'hide_pdf' => ! Auth::user()->account->live_preview, 'realtime_preview' => Auth::user()->account->realtime_preview])
 
 	@if (!Auth::user()->account->isPro())
 		<div style="font-size:larger">
@@ -1026,11 +1030,11 @@
                 $('.client-input').val(getClientDisplayName(selected));
                 // if there's an invoice number pattern we'll apply it now
                 setInvoiceNumber(selected);
-                refreshPDF(true);
+                refreshPDF(true, true);
 			} else if (oldId) {
 				model.loadClient($.parseJSON(ko.toJSON(new ClientModel())));
 				model.invoice().client().country = false;
-                refreshPDF(true);
+                refreshPDF(true, true);
 			}
 		});
 
@@ -1092,7 +1096,7 @@
 		@if ($invoice->client->id)
 			$input.trigger('change');
 		@else
-			refreshPDF(true);
+			refreshPDF(true, true);
 		@endif
 
 		var client = model.invoice().client();

resources/views/invoices/pdf.blade.php

@@ -112,7 +112,12 @@
   var isRefreshing = false;
   var needsRefresh = false;
 
-  function refreshPDF(force) {
+  function refreshPDF(force, manual) {
+    @if (isset($realtime_preview) && ! $realtime_preview)
+        if (manual !== true) return;
+        $('#refreshPdfButton').attr('disabled', true);
+    @endif
+
     try {
         return getPDFString(refreshPDFCB, force);
     } catch (exception) {
@@ -179,6 +184,9 @@
         });
       });
     }
+    @if (isset($realtime_preview) && ! $realtime_preview)
+    $('#refreshPdfButton').attr('disabled', false);
+    @endif
   }
 
   function showMoreDesigns() {