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[ckeditor.git] / _source / plugins / editingblock / plugin.js
1 /*\r
2 Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.\r
3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
4 */\r
5 \r
6 /**\r
7  * @fileOverview The default editing block plugin, which holds the editing area\r
8  *              and source view.\r
9  */\r
10 \r
11 (function()\r
12 {\r
13         var getMode = function( editor, mode )\r
14         {\r
15                 return editor._.modes && editor._.modes[ mode || editor.mode ];\r
16         };\r
17 \r
18         // This is a semaphore used to avoid recursive calls between\r
19         // the following data handling functions.\r
20         var isHandlingData;\r
21 \r
22         CKEDITOR.plugins.add( 'editingblock',\r
23         {\r
24                 init : function( editor )\r
25                 {\r
26                         if ( !editor.config.editingBlock )\r
27                                 return;\r
28 \r
29                         editor.on( 'themeSpace', function( event )\r
30                                 {\r
31                                         if ( event.data.space == 'contents' )\r
32                                                 event.data.html += '<br>';\r
33                                 });\r
34 \r
35                         editor.on( 'themeLoaded', function()\r
36                                 {\r
37                                         editor.fireOnce( 'editingBlockReady' );\r
38                                 });\r
39 \r
40                         editor.on( 'uiReady', function()\r
41                                 {\r
42                                         editor.setMode( editor.config.startupMode );\r
43                                 });\r
44 \r
45                         editor.on( 'afterSetData', function()\r
46                                 {\r
47                                         if ( !isHandlingData )\r
48                                         {\r
49                                                 function setData()\r
50                                                 {\r
51                                                         isHandlingData = true;\r
52                                                         getMode( editor ).loadData( editor.getData() );\r
53                                                         isHandlingData = false;\r
54                                                 }\r
55 \r
56                                                 if ( editor.mode )\r
57                                                         setData();\r
58                                                 else\r
59                                                 {\r
60                                                         editor.on( 'mode', function()\r
61                                                                 {\r
62                                                                         setData();\r
63                                                                         editor.removeListener( 'mode', arguments.callee );\r
64                                                                 });\r
65                                                 }\r
66                                         }\r
67                                 });\r
68 \r
69                         editor.on( 'beforeGetData', function()\r
70                                 {\r
71                                         if ( !isHandlingData && editor.mode )\r
72                                         {\r
73                                                 isHandlingData = true;\r
74                                                 editor.setData( getMode( editor ).getData() );\r
75                                                 isHandlingData = false;\r
76                                         }\r
77                                 });\r
78 \r
79                         editor.on( 'getSnapshot', function( event )\r
80                                 {\r
81                                         if ( editor.mode )\r
82                                                 event.data = getMode( editor ).getSnapshotData();\r
83                                 });\r
84 \r
85                         editor.on( 'loadSnapshot', function( event )\r
86                                 {\r
87                                         if ( editor.mode )\r
88                                                 getMode( editor ).loadSnapshotData( event.data );\r
89                                 });\r
90 \r
91                         // For the first "mode" call, we'll also fire the "instanceReady"\r
92                         // event.\r
93                         editor.on( 'mode', function( event )\r
94                                 {\r
95                                         // Do that once only.\r
96                                         event.removeListener();\r
97 \r
98                                         // Grab editor focus if the editor container is focused. (#3104)\r
99                                         var focusGrabber = editor.container;\r
100 \r
101                                         // Safari 3 can't handle tabindex in all elements, so we do\r
102                                         // a trick to make it move the focus to the editor on TAB.\r
103                                         if ( CKEDITOR.env.webkit && CKEDITOR.env.version < 528 )\r
104                                         {\r
105                                                 var tabIndex = editor.config.tabIndex || editor.element.getAttribute( 'tabindex' ) || 0;\r
106                                                 focusGrabber = focusGrabber.append( CKEDITOR.dom.element.createFromHtml(\r
107                                                         '<input' +\r
108                                                                 ' tabindex="' + tabIndex + '"' +\r
109                                                                 ' style="position:absolute; left:-10000">' ) );\r
110                                         }\r
111 \r
112                                         focusGrabber.on( 'focus', function()\r
113                                                 {\r
114                                                         editor.focus();\r
115                                                 });\r
116 \r
117                                         if ( editor.config.startupFocus )\r
118                                                 editor.focus();\r
119 \r
120                                         // Fire instanceReady for both the editor and CKEDITOR, but\r
121                                         // defer this until the whole execution has completed\r
122                                         // to guarantee the editor is fully responsible.\r
123                                         setTimeout( function(){\r
124                                                 editor.fireOnce( 'instanceReady' );\r
125                                                 CKEDITOR.fire( 'instanceReady', null, editor );\r
126                                         } );\r
127                                 });\r
128                 }\r
129         });\r
130 \r
131         /**\r
132          * The current editing mode. An editing mode is basically a viewport for\r
133          * editing or content viewing. By default the possible values for this\r
134          * property are "wysiwyg" and "source".\r
135          * @type String\r
136          * @example\r
137          * alert( CKEDITOR.instances.editor1.mode );  // "wysiwyg" (e.g.)\r
138          */\r
139         CKEDITOR.editor.prototype.mode = '';\r
140 \r
141         /**\r
142          * Registers an editing mode. This function is to be used mainly by plugins.\r
143          * @param {String} mode The mode name.\r
144          * @param {Object} modeEditor The mode editor definition.\r
145          * @example\r
146          */\r
147         CKEDITOR.editor.prototype.addMode = function( mode, modeEditor )\r
148         {\r
149                 modeEditor.name = mode;\r
150                 ( this._.modes || ( this._.modes = {} ) )[ mode ] = modeEditor;\r
151         };\r
152 \r
153         /**\r
154          * Sets the current editing mode in this editor instance.\r
155          * @param {String} mode A registered mode name.\r
156          * @example\r
157          * // Switch to "source" view.\r
158          * CKEDITOR.instances.editor1.setMode( 'source' );\r
159          */\r
160         CKEDITOR.editor.prototype.setMode = function( mode )\r
161         {\r
162                 var data,\r
163                         holderElement = this.getThemeSpace( 'contents' ),\r
164                         isDirty = this.checkDirty();\r
165 \r
166                 // Unload the previous mode.\r
167                 if ( this.mode )\r
168                 {\r
169                         if ( mode == this.mode )\r
170                                 return;\r
171 \r
172                         this.fire( 'beforeModeUnload' );\r
173 \r
174                         var currentMode = getMode( this );\r
175                         data = currentMode.getData();\r
176                         currentMode.unload( holderElement );\r
177                         this.mode = '';\r
178                 }\r
179 \r
180                 holderElement.setHtml( '' );\r
181 \r
182                 // Load required mode.\r
183                 var modeEditor = getMode( this, mode );\r
184                 if ( !modeEditor )\r
185                         throw '[CKEDITOR.editor.setMode] Unknown mode "' + mode + '".';\r
186 \r
187                 if ( !isDirty )\r
188                 {\r
189                         this.on( 'mode', function()\r
190                                 {\r
191                                         this.resetDirty();\r
192                                         this.removeListener( 'mode', arguments.callee );\r
193                                 });\r
194                 }\r
195 \r
196                 modeEditor.load( holderElement, ( typeof data ) != 'string'  ? this.getData() : data);\r
197         };\r
198 \r
199         /**\r
200          * Moves the selection focus to the editing are space in the editor.\r
201          */\r
202         CKEDITOR.editor.prototype.focus = function()\r
203         {\r
204                 var mode = getMode( this );\r
205                 if ( mode )\r
206                         mode.focus();\r
207         };\r
208 })();\r
209 \r
210 /**\r
211  * The mode to load at the editor startup. It depends on the plugins\r
212  * loaded. By default, the "wysiwyg" and "source" modes are available.\r
213  * @type String\r
214  * @default 'wysiwyg'\r
215  * @example\r
216  * config.startupMode = 'source';\r
217  */\r
218 CKEDITOR.config.startupMode = 'wysiwyg';\r
219 \r
220 /**\r
221  * Sets whether the editor should have the focus when the page loads.\r
222  * @type Boolean\r
223  * @default false\r
224  * @example\r
225  * config.startupFocus = true;\r
226  */\r
227 CKEDITOR.config.startupFocus = false;\r
228 \r
229 /**\r
230  * Whether to render or not the editing block area in the editor interface.\r
231  * @type Boolean\r
232  * @default true\r
233  * @example\r
234  * config.editingBlock = false;\r
235  */\r
236 CKEDITOR.config.editingBlock = true;\r