Mimimum syndical pour en faire un produit zope / cmf.
[ckeditor.git] / skins / ckeditor / _source / plugins / maximize / plugin.js
1 /*
2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3 For licensing, see LICENSE.html or http://ckeditor.com/license
4 */
5
6 (function()
7 {
8 function protectFormStyles( formElement )
9 {
10 if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
11 return [];
12
13 var hijackRecord = [],
14 hijackNames = [ 'style', 'className' ];
15 for ( var i = 0 ; i < hijackNames.length ; i++ )
16 {
17 var name = hijackNames[i];
18 var $node = formElement.$.elements.namedItem( name );
19 if ( $node )
20 {
21 var hijackNode = new CKEDITOR.dom.element( $node );
22 hijackRecord.push( [ hijackNode, hijackNode.nextSibling ] );
23 hijackNode.remove();
24 }
25 }
26
27 return hijackRecord;
28 }
29
30 function restoreFormStyles( formElement, hijackRecord )
31 {
32 if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
33 return;
34
35 if ( hijackRecord.length > 0 )
36 {
37 for ( var i = hijackRecord.length - 1 ; i >= 0 ; i-- )
38 {
39 var node = hijackRecord[i][0];
40 var sibling = hijackRecord[i][1];
41 if ( sibling )
42 node.insertBefore( sibling );
43 else
44 node.appendTo( formElement );
45 }
46 }
47 }
48
49 function saveStyles( element, isInsideEditor )
50 {
51 var data = protectFormStyles( element );
52 var retval = {};
53
54 var $element = element.$;
55
56 if ( !isInsideEditor )
57 {
58 retval[ 'class' ] = $element.className || '';
59 $element.className = '';
60 }
61
62 retval.inline = $element.style.cssText || '';
63 if ( !isInsideEditor ) // Reset any external styles that might interfere. (#2474)
64 $element.style.cssText = 'position: static; overflow: visible';
65
66 restoreFormStyles( data );
67 return retval;
68 }
69
70 function restoreStyles( element, savedStyles )
71 {
72 var data = protectFormStyles( element );
73 var $element = element.$;
74 if ( 'class' in savedStyles )
75 $element.className = savedStyles[ 'class' ];
76 if ( 'inline' in savedStyles )
77 $element.style.cssText = savedStyles.inline;
78 restoreFormStyles( data );
79 }
80
81 function refreshCursor( editor )
82 {
83 // Refresh all editor instances on the page (#5724).
84 var all = CKEDITOR.instances;
85 for ( var i in all )
86 {
87 var one = all[ i ];
88 if ( one.mode == 'wysiwyg' && !one.readOnly )
89 {
90 var body = one.document.getBody();
91 // Refresh 'contentEditable' otherwise
92 // DOM lifting breaks design mode. (#5560)
93 body.setAttribute( 'contentEditable', false );
94 body.setAttribute( 'contentEditable', true );
95 }
96 }
97
98 if ( editor.focusManager.hasFocus )
99 {
100 editor.toolbox.focus();
101 editor.focus();
102 }
103 }
104
105 /**
106 * Adding an iframe shim to this element, OR removing the existing one if already applied.
107 * Note: This will only affect IE version below 7.
108 */
109 function createIframeShim( element )
110 {
111 if ( !CKEDITOR.env.ie || CKEDITOR.env.version > 6 )
112 return null;
113
114 var shim = CKEDITOR.dom.element.createFromHtml( '<iframe frameborder="0" tabindex="-1"' +
115 ' src="javascript:' +
116 'void((function(){' +
117 'document.open();' +
118 ( CKEDITOR.env.isCustomDomain() ? 'document.domain=\'' + this.getDocument().$.domain + '\';' : '' ) +
119 'document.close();' +
120 '})())"' +
121 ' style="display:block;position:absolute;z-index:-1;' +
122 'progid:DXImageTransform.Microsoft.Alpha(opacity=0);' +
123 '"></iframe>' );
124 return element.append( shim, true );
125 }
126
127 CKEDITOR.plugins.add( 'maximize',
128 {
129 init : function( editor )
130 {
131 var lang = editor.lang;
132 var mainDocument = CKEDITOR.document,
133 mainWindow = mainDocument.getWindow();
134
135 // Saved selection and scroll position for the editing area.
136 var savedSelection,
137 savedScroll;
138
139 // Saved scroll position for the outer window.
140 var outerScroll;
141
142 var shim;
143
144 // Saved resize handler function.
145 function resizeHandler()
146 {
147 var viewPaneSize = mainWindow.getViewPaneSize();
148 shim && shim.setStyles( { width : viewPaneSize.width + 'px', height : viewPaneSize.height + 'px' } );
149 editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
150 }
151
152 // Retain state after mode switches.
153 var savedState = CKEDITOR.TRISTATE_OFF;
154
155 editor.addCommand( 'maximize',
156 {
157 modes : { wysiwyg : 1, source : 1 },
158 readOnly : 1,
159 editorFocus : false,
160 exec : function()
161 {
162 var container = editor.container.getChild( 1 );
163 var contents = editor.getThemeSpace( 'contents' );
164
165 // Save current selection and scroll position in editing area.
166 if ( editor.mode == 'wysiwyg' )
167 {
168 var selection = editor.getSelection();
169 savedSelection = selection && selection.getRanges();
170 savedScroll = mainWindow.getScrollPosition();
171 }
172 else
173 {
174 var $textarea = editor.textarea.$;
175 savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ];
176 savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ];
177 }
178
179 if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off.
180 {
181 // Add event handler for resizing.
182 mainWindow.on( 'resize', resizeHandler );
183
184 // Save the scroll bar position.
185 outerScroll = mainWindow.getScrollPosition();
186
187 // Save and reset the styles for the entire node tree.
188 var currentNode = editor.container;
189 while ( ( currentNode = currentNode.getParent() ) )
190 {
191 currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) );
192 currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 );
193 }
194 contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) );
195 container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) );
196
197 // Hide scroll bars.
198 var styles =
199 {
200 overflow : CKEDITOR.env.webkit ? '' : 'hidden', // #6896
201 width : 0,
202 height : 0
203 };
204
205 mainDocument.getDocumentElement().setStyles( styles );
206 !CKEDITOR.env.gecko && mainDocument.getDocumentElement().setStyle( 'position', 'fixed' );
207 !( CKEDITOR.env.gecko && CKEDITOR.env.quirks ) && mainDocument.getBody().setStyles( styles );
208
209 // Scroll to the top left (IE needs some time for it - #4923).
210 CKEDITOR.env.ie ?
211 setTimeout( function() { mainWindow.$.scrollTo( 0, 0 ); }, 0 ) :
212 mainWindow.$.scrollTo( 0, 0 );
213
214 // Resize and move to top left.
215 // Special treatment for FF Quirks (#7284)
216 container.setStyle( 'position', CKEDITOR.env.gecko && CKEDITOR.env.quirks ? 'fixed' : 'absolute' );
217 container.$.offsetLeft; // SAFARI BUG: See #2066.
218 container.setStyles(
219 {
220 'z-index' : editor.config.baseFloatZIndex - 1,
221 left : '0px',
222 top : '0px'
223 } );
224
225 shim = createIframeShim( container ); // IE6 select element penetration when maximized. (#4459)
226
227 // Add cke_maximized class before resize handle since that will change things sizes (#5580)
228 container.addClass( 'cke_maximized' );
229
230 resizeHandler();
231
232 // Still not top left? Fix it. (Bug #174)
233 var offset = container.getDocumentPosition();
234 container.setStyles(
235 {
236 left : ( -1 * offset.x ) + 'px',
237 top : ( -1 * offset.y ) + 'px'
238 } );
239
240 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
241 CKEDITOR.env.gecko && refreshCursor( editor );
242
243 }
244 else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on.
245 {
246 // Remove event handler for resizing.
247 mainWindow.removeListener( 'resize', resizeHandler );
248
249 // Restore CSS styles for the entire node tree.
250 var editorElements = [ contents, container ];
251 for ( var i = 0 ; i < editorElements.length ; i++ )
252 {
253 restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) );
254 editorElements[i].removeCustomData( 'maximize_saved_styles' );
255 }
256
257 currentNode = editor.container;
258 while ( ( currentNode = currentNode.getParent() ) )
259 {
260 restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) );
261 currentNode.removeCustomData( 'maximize_saved_styles' );
262 }
263
264 // Restore the window scroll position.
265 CKEDITOR.env.ie ?
266 setTimeout( function() { mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); }, 0 ) :
267 mainWindow.$.scrollTo( outerScroll.x, outerScroll.y );
268
269 // Remove cke_maximized class.
270 container.removeClass( 'cke_maximized' );
271
272 // Webkit requires a re-layout on editor chrome. (#6695)
273 if ( CKEDITOR.env.webkit )
274 {
275 container.setStyle( 'display', 'inline' );
276 setTimeout( function(){ container.setStyle( 'display', 'block' ); }, 0 );
277 }
278
279 if ( shim )
280 {
281 shim.remove();
282 shim = null;
283 }
284
285 // Emit a resize event, because this time the size is modified in
286 // restoreStyles.
287 editor.fire( 'resize' );
288 }
289
290 this.toggleState();
291
292 // Toggle button label.
293 var button = this.uiItems[ 0 ];
294 // Only try to change the button if it exists (#6166)
295 if( button )
296 {
297 var label = ( this.state == CKEDITOR.TRISTATE_OFF )
298 ? lang.maximize : lang.minimize;
299 var buttonNode = editor.element.getDocument().getById( button._.id );
300 buttonNode.getChild( 1 ).setHtml( label );
301 buttonNode.setAttribute( 'title', label );
302 buttonNode.setAttribute( 'href', 'javascript:void("' + label + '");' );
303 }
304
305 // Restore selection and scroll position in editing area.
306 if ( editor.mode == 'wysiwyg' )
307 {
308 if ( savedSelection )
309 {
310 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
311 CKEDITOR.env.gecko && refreshCursor( editor );
312
313 editor.getSelection().selectRanges(savedSelection);
314 var element = editor.getSelection().getStartElement();
315 element && element.scrollIntoView( true );
316 }
317
318 else
319 mainWindow.$.scrollTo( savedScroll.x, savedScroll.y );
320 }
321 else
322 {
323 if ( savedSelection )
324 {
325 $textarea.selectionStart = savedSelection[0];
326 $textarea.selectionEnd = savedSelection[1];
327 }
328 $textarea.scrollLeft = savedScroll[0];
329 $textarea.scrollTop = savedScroll[1];
330 }
331
332 savedSelection = savedScroll = null;
333 savedState = this.state;
334 },
335 canUndo : false
336 } );
337
338 editor.ui.addButton( 'Maximize',
339 {
340 label : lang.maximize,
341 command : 'maximize'
342 } );
343
344 // Restore the command state after mode change, unless it has been changed to disabled (#6467)
345 editor.on( 'mode', function()
346 {
347 var command = editor.getCommand( 'maximize' );
348 command.setState( command.state == CKEDITOR.TRISTATE_DISABLED ? CKEDITOR.TRISTATE_DISABLED : savedState );
349 }, null, null, 100 );
350 }
351 } );
352 })();