MDL-36803 TinyMCE: Fix TinyMCE following touch events on iOS browsers
[moodle.git] / lib / editor / tinymce / module.js
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1// This file is part of Moodle - http://moodle.org/
2//
3// Moodle is free software: you can redistribute it and/or modify
4// it under the terms of the GNU General Public License as published by
5// the Free Software Foundation, either version 3 of the License, or
6// (at your option) any later version.
7//
8// Moodle is distributed in the hope that it will be useful,
9// but WITHOUT ANY WARRANTY; without even the implied warranty of
10// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11// GNU General Public License for more details.
12//
13// You should have received a copy of the GNU General Public License
14// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
15
16/**
de6a6512 17 * TinyMCE helper javascript functions.
4c508047 18 *
34a30b5c 19 * @package editor_tinymce
de6a6512 20 * @copyright 2010 Petr Skoda (http://skodak.org)
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21 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
22 */
23
24M.editor_tinymce = M.editor_tinymce || {};
25
26M.editor_tinymce.editor_options = M.editor_tinymce.options || {};
27M.editor_tinymce.filepicker_options = M.editor_tinymce.filepicker_options || {};
5ba3a966 28M.editor_tinymce.initialised = false;
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29
30M.editor_tinymce.init_editor = function(Y, editorid, options) {
29149f98 31
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32 if (!M.editor_tinymce.initialised) {
33 // Load all language strings for all plugins - we do not use standard TinyMCE lang pack loading!
29149f98 34 tinymce.ScriptLoader.add(M.cfg.wwwroot + '/lib/editor/tinymce/all_strings.php?elanguage=' + options.language + '&rev=' + options.langrev);
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35
36 // Monkey patch for MDL-35284 - this hack ignores empty toolbars.
37 tinymce.ui.Toolbar.prototype.oldRenderHTML = tinymce.ui.Toolbar.prototype.renderHTML;
38 tinymce.ui.Toolbar.prototype.renderHTML = function() {
39 if (this.controls.length == 0) {
40 return;
41 }
42 return tinymce.ui.Toolbar.prototype.oldRenderHTML.call(this);
43 };
44
45 M.editor_tinymce.initialised = true;
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46 }
47
4c508047 48 M.editor_tinymce.editor_options[editorid] = options;
fae91170 49
de6a6512 50 // Load necessary Moodle plugins into editor.
fae91170 51 if (options.moodle_init_plugins) {
52 var extraplugins = options.moodle_init_plugins.split(',');
53 for (var i=0; i<extraplugins.length; i++) {
54 var filedetails = extraplugins[i].split(':');
55 tinyMCE.PluginManager.load(filedetails[0],
56 M.cfg.wwwroot + '/lib/editor/tinymce/plugins/' + filedetails[1]);
57 }
58 }
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59
60 // We have to override the editor setup to work around a bug in iOS browsers - MDL-36803.
61 if (Y.UA.ios) {
62 // Retain any setup which is already defined.
63 options.originalSetupFunction = options.setup || function(){};
64 options.setup = function(editor) {
65 options.originalSetupFunction();
66 editor.onPostRender.add(function(ed) {
67 // Whenever there is a keydown event, ensure that the contentWindow still have focus.
68 ed.contentDocument.addEventListener('keydown', function() {
69 ed.contentWindow.focus();
70 });
71 });
72 };
73 }
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74 tinyMCE.init(options);
75
76 var item = document.getElementById(editorid+'_filemanager');
77 if (item) {
78 item.parentNode.removeChild(item);
79 }
80};
81
82M.editor_tinymce.init_filepicker = function(Y, editorid, options) {
83 M.editor_tinymce.filepicker_options[editorid] = options;
84};
85
86M.editor_tinymce.toggle = function(id) {
87 tinyMCE.execCommand('mceToggleEditor', false, id);
88};
89
90M.editor_tinymce.filepicker_callback = function(args) {
91};
92
93M.editor_tinymce.filepicker = function(target_id, url, type, win) {
e0a5793d 94 YUI().use('core_filepicker', function (Y) {
4c508047 95 var editor_id = tinyMCE.selectedInstance.editorId;
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96 if (editor_id == 'mce_fullscreen') {
97 editor_id = tinyMCE.selectedInstance.settings.elements;
98 }
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99 var options = null;
100 if (type == 'media') {
de6a6512 101 // When media button clicked.
875f4e7b 102 options = M.editor_tinymce.filepicker_options[editor_id]['media'];
766514a0 103 } else if (type == 'file') {
de6a6512 104 // When link button clicked.
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105 options = M.editor_tinymce.filepicker_options[editor_id]['link'];
106 } else if (type == 'image') {
de6a6512 107 // When image button clicked.
875f4e7b 108 options = M.editor_tinymce.filepicker_options[editor_id]['image'];
e5e50970 109 }
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110
111 options.formcallback = M.editor_tinymce.filepicker_callback;
112 options.editor_target = win.document.getElementById(target_id);
113
114 M.core_filepicker.show(Y, options);
115 });
116};
117
ab978b38 118M.editor_tinymce.onblur_event = function(ed) {
de6a6512 119 // Attach event only after tinymce is initialized.
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120 if (ed.onInit != undefined) {
121 var s = ed.settings;
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122 // Save before event is attached, so that if this event is not generated then textarea should
123 // have loaded contents and submitting form should not throw error.
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124 ed.save();
125
de6a6512 126 // Attach blur event for tinymce to save contents to textarea.
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127 var doc = s.content_editable ? ed.getBody() : (tinymce.isGecko ? ed.getDoc() : ed.getWin());
128 tinymce.dom.Event.add(doc, 'blur', function() {
de6a6512 129 // Save contents to textarea before calling validation script.
ab978b38 130 ed.save();
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131 });
132 };
133};