source: trunk/admin/inc/ckeditor/_source/plugins/maximize/plugin.js@ 240

Last change on this file since 240 was 239, checked in by luc, 9 years ago

Admin: correzione visulaizzazione immissione dati spoglio per Chrome e Safari - Aggiornamento dell'editor da FCKeditor a CKeditor , accessibili anche a Chrome e Safari.

  • Property svn:executable set to *
File size: 11.2 KB
Line 
1/*
2Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3For 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 // Disabled on iOS (#8307).
158 modes : { wysiwyg : !CKEDITOR.env.iOS, source : !CKEDITOR.env.iOS },
159 readOnly : 1,
160 editorFocus : false,
161 exec : function()
162 {
163 var container = editor.container.getChild( 1 );
164 var contents = editor.getThemeSpace( 'contents' );
165
166 // Save current selection and scroll position in editing area.
167 if ( editor.mode == 'wysiwyg' )
168 {
169 var selection = editor.getSelection();
170 savedSelection = selection && selection.getRanges();
171 savedScroll = mainWindow.getScrollPosition();
172 }
173 else
174 {
175 var $textarea = editor.textarea.$;
176 savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ];
177 savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ];
178 }
179
180 if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off.
181 {
182 // Add event handler for resizing.
183 mainWindow.on( 'resize', resizeHandler );
184
185 // Save the scroll bar position.
186 outerScroll = mainWindow.getScrollPosition();
187
188 // Save and reset the styles for the entire node tree.
189 var currentNode = editor.container;
190 while ( ( currentNode = currentNode.getParent() ) )
191 {
192 currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) );
193 currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 );
194 }
195 contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) );
196 container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) );
197
198 // Hide scroll bars.
199 var styles =
200 {
201 overflow : CKEDITOR.env.webkit ? '' : 'hidden', // #6896
202 width : 0,
203 height : 0
204 };
205
206 mainDocument.getDocumentElement().setStyles( styles );
207 !CKEDITOR.env.gecko && mainDocument.getDocumentElement().setStyle( 'position', 'fixed' );
208 !( CKEDITOR.env.gecko && CKEDITOR.env.quirks ) && mainDocument.getBody().setStyles( styles );
209
210 // Scroll to the top left (IE needs some time for it - #4923).
211 CKEDITOR.env.ie ?
212 setTimeout( function() { mainWindow.$.scrollTo( 0, 0 ); }, 0 ) :
213 mainWindow.$.scrollTo( 0, 0 );
214
215 // Resize and move to top left.
216 // Special treatment for FF Quirks (#7284)
217 container.setStyle( 'position', CKEDITOR.env.gecko && CKEDITOR.env.quirks ? 'fixed' : 'absolute' );
218 container.$.offsetLeft; // SAFARI BUG: See #2066.
219 container.setStyles(
220 {
221 'z-index' : editor.config.baseFloatZIndex - 1,
222 left : '0px',
223 top : '0px'
224 } );
225
226 shim = createIframeShim( container ); // IE6 select element penetration when maximized. (#4459)
227
228 // Add cke_maximized class before resize handle since that will change things sizes (#5580)
229 container.addClass( 'cke_maximized' );
230
231 resizeHandler();
232
233 // Still not top left? Fix it. (Bug #174)
234 var offset = container.getDocumentPosition();
235 container.setStyles(
236 {
237 left : ( -1 * offset.x ) + 'px',
238 top : ( -1 * offset.y ) + 'px'
239 } );
240
241 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
242 CKEDITOR.env.gecko && refreshCursor( editor );
243
244 }
245 else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on.
246 {
247 // Remove event handler for resizing.
248 mainWindow.removeListener( 'resize', resizeHandler );
249
250 // Restore CSS styles for the entire node tree.
251 var editorElements = [ contents, container ];
252 for ( var i = 0 ; i < editorElements.length ; i++ )
253 {
254 restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) );
255 editorElements[i].removeCustomData( 'maximize_saved_styles' );
256 }
257
258 currentNode = editor.container;
259 while ( ( currentNode = currentNode.getParent() ) )
260 {
261 restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) );
262 currentNode.removeCustomData( 'maximize_saved_styles' );
263 }
264
265 // Restore the window scroll position.
266 CKEDITOR.env.ie ?
267 setTimeout( function() { mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); }, 0 ) :
268 mainWindow.$.scrollTo( outerScroll.x, outerScroll.y );
269
270 // Remove cke_maximized class.
271 container.removeClass( 'cke_maximized' );
272
273 // Webkit requires a re-layout on editor chrome. (#6695)
274 if ( CKEDITOR.env.webkit )
275 {
276 container.setStyle( 'display', 'inline' );
277 setTimeout( function(){ container.setStyle( 'display', 'block' ); }, 0 );
278 }
279
280 if ( shim )
281 {
282 shim.remove();
283 shim = null;
284 }
285
286 // Emit a resize event, because this time the size is modified in
287 // restoreStyles.
288 editor.fire( 'resize' );
289 }
290
291 this.toggleState();
292
293 // Toggle button label.
294 var button = this.uiItems[ 0 ];
295 // Only try to change the button if it exists (#6166)
296 if( button )
297 {
298 var label = ( this.state == CKEDITOR.TRISTATE_OFF )
299 ? lang.maximize : lang.minimize;
300 var buttonNode = editor.element.getDocument().getById( button._.id );
301 buttonNode.getChild( 1 ).setHtml( label );
302 buttonNode.setAttribute( 'title', label );
303 buttonNode.setAttribute( 'href', 'javascript:void("' + label + '");' );
304 }
305
306 // Restore selection and scroll position in editing area.
307 if ( editor.mode == 'wysiwyg' )
308 {
309 if ( savedSelection )
310 {
311 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
312 CKEDITOR.env.gecko && refreshCursor( editor );
313
314 editor.getSelection().selectRanges(savedSelection);
315 var element = editor.getSelection().getStartElement();
316 element && element.scrollIntoView( true );
317 }
318
319 else
320 mainWindow.$.scrollTo( savedScroll.x, savedScroll.y );
321 }
322 else
323 {
324 if ( savedSelection )
325 {
326 $textarea.selectionStart = savedSelection[0];
327 $textarea.selectionEnd = savedSelection[1];
328 }
329 $textarea.scrollLeft = savedScroll[0];
330 $textarea.scrollTop = savedScroll[1];
331 }
332
333 savedSelection = savedScroll = null;
334 savedState = this.state;
335 },
336 canUndo : false
337 } );
338
339 editor.ui.addButton( 'Maximize',
340 {
341 label : lang.maximize,
342 command : 'maximize'
343 } );
344
345 // Restore the command state after mode change, unless it has been changed to disabled (#6467)
346 editor.on( 'mode', function()
347 {
348 var command = editor.getCommand( 'maximize' );
349 command.setState( command.state == CKEDITOR.TRISTATE_DISABLED ? CKEDITOR.TRISTATE_DISABLED : savedState );
350 }, null, null, 100 );
351 }
352 } );
353})();
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