renommage.
[ckeditor.git] / skins / ckeditor / _source / plugins / wysiwygarea / 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 /**
7 * @fileOverview The "wysiwygarea" plugin. It registers the "wysiwyg" editing
8 * mode, which handles the main editing area space.
9 */
10
11 (function()
12 {
13 // Matching an empty paragraph at the end of document.
14 var emptyParagraphRegexp = /(^|<body\b[^>]*>)\s*<(p|div|address|h\d|center|pre)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\2>)?\s*(?=$|<\/body>)/gi;
15
16 var notWhitespaceEval = CKEDITOR.dom.walker.whitespaces( true );
17
18 // Elements that could blink the cursor anchoring beside it, like hr, page-break. (#6554)
19 function nonEditable( element )
20 {
21 return element.isBlockBoundary() && CKEDITOR.dtd.$empty[ element.getName() ];
22 }
23
24
25 function onInsert( insertFunc )
26 {
27 return function( evt )
28 {
29 if ( this.mode == 'wysiwyg' )
30 {
31 this.focus();
32
33 this.fire( 'saveSnapshot' );
34
35 insertFunc.call( this, evt.data );
36
37 // Save snaps after the whole execution completed.
38 // This's a workaround for make DOM modification's happened after
39 // 'insertElement' to be included either, e.g. Form-based dialogs' 'commitContents'
40 // call.
41 CKEDITOR.tools.setTimeout( function()
42 {
43 this.fire( 'saveSnapshot' );
44 }, 0, this );
45 }
46 };
47 }
48
49 function doInsertHtml( data )
50 {
51 if ( this.dataProcessor )
52 data = this.dataProcessor.toHtml( data );
53
54 if ( !data )
55 return;
56
57 // HTML insertion only considers the first range.
58 var selection = this.getSelection(),
59 range = selection.getRanges()[ 0 ];
60
61 if ( range.checkReadOnly() )
62 return;
63
64 // Opera: force block splitting when pasted content contains block. (#7801)
65 if ( CKEDITOR.env.opera )
66 {
67 var path = new CKEDITOR.dom.elementPath( range.startContainer );
68 if ( path.block )
69 {
70 var nodes = CKEDITOR.htmlParser.fragment.fromHtml( data, false ).children;
71 for ( var i = 0, count = nodes.length; i < count; i++ )
72 {
73 if ( nodes[ i ]._.isBlockLike )
74 {
75 range.splitBlock( this.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
76 range.insertNode( range.document.createText( '' ) );
77 range.select();
78 break;
79 }
80 }
81 }
82 }
83
84 if ( CKEDITOR.env.ie )
85 {
86 var selIsLocked = selection.isLocked;
87
88 if ( selIsLocked )
89 selection.unlock();
90
91 var $sel = selection.getNative();
92
93 // Delete control selections to avoid IE bugs on pasteHTML.
94 if ( $sel.type == 'Control' )
95 $sel.clear();
96 else if ( selection.getType() == CKEDITOR.SELECTION_TEXT )
97 {
98 // Due to IE bugs on handling contenteditable=false blocks
99 // (#6005), we need to make some checks and eventually
100 // delete the selection first.
101
102 range = selection.getRanges()[ 0 ];
103 var endContainer = range && range.endContainer;
104
105 if ( endContainer &&
106 endContainer.type == CKEDITOR.NODE_ELEMENT &&
107 endContainer.getAttribute( 'contenteditable' ) == 'false' &&
108 range.checkBoundaryOfElement( endContainer, CKEDITOR.END ) )
109 {
110 range.setEndAfter( range.endContainer );
111 range.deleteContents();
112 }
113 }
114
115 try
116 {
117 $sel.createRange().pasteHTML( data );
118 }
119 catch (e) {}
120
121 if ( selIsLocked )
122 this.getSelection().lock();
123 }
124 else
125 this.document.$.execCommand( 'inserthtml', false, data );
126
127 // Webkit does not scroll to the cursor position after pasting (#5558)
128 if ( CKEDITOR.env.webkit )
129 {
130 selection = this.getSelection();
131 selection.scrollIntoView();
132 }
133 }
134
135 function doInsertText( text )
136 {
137 var selection = this.getSelection(),
138 mode = selection.getStartElement().hasAscendant( 'pre', true ) ?
139 CKEDITOR.ENTER_BR : this.config.enterMode,
140 isEnterBrMode = mode == CKEDITOR.ENTER_BR;
141
142 var html = CKEDITOR.tools.htmlEncode( text.replace( /\r\n|\r/g, '\n' ) );
143
144 // Convert leading and trailing whitespaces into &nbsp;
145 html = html.replace( /^[ \t]+|[ \t]+$/g, function( match, offset, s )
146 {
147 if ( match.length == 1 ) // one space, preserve it
148 return '&nbsp;';
149 else if ( !offset ) // beginning of block
150 return CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 ) + ' ';
151 else // end of block
152 return ' ' + CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 );
153 } );
154
155 // Convert subsequent whitespaces into &nbsp;
156 html = html.replace( /[ \t]{2,}/g, function ( match )
157 {
158 return CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 ) + ' ';
159 } );
160
161 var paragraphTag = mode == CKEDITOR.ENTER_P ? 'p' : 'div';
162
163 // Two line-breaks create one paragraph.
164 if ( !isEnterBrMode )
165 {
166 html = html.replace( /(\n{2})([\s\S]*?)(?:$|\1)/g,
167 function( match, group1, text )
168 {
169 return '<'+paragraphTag + '>' + text + '</' + paragraphTag + '>';
170 });
171 }
172
173 // One <br> per line-break.
174 html = html.replace( /\n/g, '<br>' );
175
176 // Compensate padding <br> for non-IE.
177 if ( !( isEnterBrMode || CKEDITOR.env.ie ) )
178 {
179 html = html.replace( new RegExp( '<br>(?=</' + paragraphTag + '>)' ), function( match )
180 {
181 return CKEDITOR.tools.repeat( match, 2 );
182 } );
183 }
184
185 // Inline styles have to be inherited in Firefox.
186 if ( CKEDITOR.env.gecko || CKEDITOR.env.webkit )
187 {
188 var path = new CKEDITOR.dom.elementPath( selection.getStartElement() ),
189 context = [];
190
191 for ( var i = 0; i < path.elements.length; i++ )
192 {
193 var tag = path.elements[ i ].getName();
194 if ( tag in CKEDITOR.dtd.$inline )
195 context.unshift( path.elements[ i ].getOuterHtml().match( /^<.*?>/) );
196 else if ( tag in CKEDITOR.dtd.$block )
197 break;
198 }
199
200 // Reproduce the context by preceding the pasted HTML with opening inline tags.
201 html = context.join( '' ) + html;
202 }
203
204 doInsertHtml.call( this, html );
205 }
206
207 function doInsertElement( element )
208 {
209 var selection = this.getSelection(),
210 ranges = selection.getRanges(),
211 elementName = element.getName(),
212 isBlock = CKEDITOR.dtd.$block[ elementName ];
213
214 var selIsLocked = selection.isLocked;
215
216 if ( selIsLocked )
217 selection.unlock();
218
219 var range, clone, lastElement, bookmark;
220
221 for ( var i = ranges.length - 1 ; i >= 0 ; i-- )
222 {
223 range = ranges[ i ];
224
225 if ( !range.checkReadOnly() )
226 {
227 // Remove the original contents, merge splitted nodes.
228 range.deleteContents( 1 );
229
230 clone = !i && element || element.clone( 1 );
231
232 // If we're inserting a block at dtd-violated position, split
233 // the parent blocks until we reach blockLimit.
234 var current, dtd;
235 if ( isBlock )
236 {
237 while ( ( current = range.getCommonAncestor( 0, 1 ) )
238 && ( dtd = CKEDITOR.dtd[ current.getName() ] )
239 && !( dtd && dtd [ elementName ] ) )
240 {
241 // Split up inline elements.
242 if ( current.getName() in CKEDITOR.dtd.span )
243 range.splitElement( current );
244 // If we're in an empty block which indicate a new paragraph,
245 // simply replace it with the inserting block.(#3664)
246 else if ( range.checkStartOfBlock()
247 && range.checkEndOfBlock() )
248 {
249 range.setStartBefore( current );
250 range.collapse( true );
251 current.remove();
252 }
253 else
254 range.splitBlock();
255 }
256 }
257
258 // Insert the new node.
259 range.insertNode( clone );
260
261 // Save the last element reference so we can make the
262 // selection later.
263 if ( !lastElement )
264 lastElement = clone;
265 }
266 }
267
268 if ( lastElement )
269 {
270 range.moveToPosition( lastElement, CKEDITOR.POSITION_AFTER_END );
271
272 // If we're inserting a block element immediatelly followed by
273 // another block element, the selection must move there. (#3100,#5436)
274 if ( isBlock )
275 {
276 var next = lastElement.getNext( notWhitespaceEval ),
277 nextName = next && next.type == CKEDITOR.NODE_ELEMENT && next.getName();
278
279 // Check if it's a block element that accepts text.
280 if ( nextName && CKEDITOR.dtd.$block[ nextName ] && CKEDITOR.dtd[ nextName ]['#'] )
281 range.moveToElementEditStart( next );
282 }
283 }
284
285 selection.selectRanges( [ range ] );
286
287 if ( selIsLocked )
288 this.getSelection().lock();
289 }
290
291 // DOM modification here should not bother dirty flag.(#4385)
292 function restoreDirty( editor )
293 {
294 if ( !editor.checkDirty() )
295 setTimeout( function(){ editor.resetDirty(); }, 0 );
296 }
297
298 var isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true ),
299 isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );
300
301 function isNotEmpty( node )
302 {
303 return isNotWhitespace( node ) && isNotBookmark( node );
304 }
305
306 function isNbsp( node )
307 {
308 return node.type == CKEDITOR.NODE_TEXT
309 && CKEDITOR.tools.trim( node.getText() ).match( /^(?:&nbsp;|\xa0)$/ );
310 }
311
312 function restoreSelection( selection )
313 {
314 if ( selection.isLocked )
315 {
316 selection.unlock();
317 setTimeout( function() { selection.lock(); }, 0 );
318 }
319 }
320
321 function isBlankParagraph( block )
322 {
323 return block.getOuterHtml().match( emptyParagraphRegexp );
324 }
325
326 isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true );
327
328 // Gecko need a key event to 'wake up' the editing
329 // ability when document is empty.(#3864, #5781)
330 function activateEditing( editor )
331 {
332 var win = editor.window,
333 doc = editor.document,
334 body = editor.document.getBody(),
335 bodyFirstChild = body.getFirst(),
336 bodyChildsNum = body.getChildren().count();
337
338 if ( !bodyChildsNum
339 || bodyChildsNum == 1
340 && bodyFirstChild.type == CKEDITOR.NODE_ELEMENT
341 && bodyFirstChild.hasAttribute( '_moz_editor_bogus_node' ) )
342 {
343 restoreDirty( editor );
344
345 // Memorize scroll position to restore it later (#4472).
346 var hostDocument = editor.element.getDocument();
347 var hostDocumentElement = hostDocument.getDocumentElement();
348 var scrollTop = hostDocumentElement.$.scrollTop;
349 var scrollLeft = hostDocumentElement.$.scrollLeft;
350
351 // Simulating keyboard character input by dispatching a keydown of white-space text.
352 var keyEventSimulate = doc.$.createEvent( "KeyEvents" );
353 keyEventSimulate.initKeyEvent( 'keypress', true, true, win.$, false,
354 false, false, false, 0, 32 );
355 doc.$.dispatchEvent( keyEventSimulate );
356
357 if ( scrollTop != hostDocumentElement.$.scrollTop || scrollLeft != hostDocumentElement.$.scrollLeft )
358 hostDocument.getWindow().$.scrollTo( scrollLeft, scrollTop );
359
360 // Restore the original document status by placing the cursor before a bogus br created (#5021).
361 bodyChildsNum && body.getFirst().remove();
362 doc.getBody().appendBogus();
363 var nativeRange = new CKEDITOR.dom.range( doc );
364 nativeRange.setStartAt( body , CKEDITOR.POSITION_AFTER_START );
365 nativeRange.select();
366 }
367 }
368
369 /**
370 * Auto-fixing block-less content by wrapping paragraph (#3190), prevent
371 * non-exitable-block by padding extra br.(#3189)
372 */
373 function onSelectionChangeFixBody( evt )
374 {
375 var editor = evt.editor,
376 path = evt.data.path,
377 blockLimit = path.blockLimit,
378 selection = evt.data.selection,
379 range = selection.getRanges()[0],
380 body = editor.document.getBody(),
381 enterMode = editor.config.enterMode;
382
383 if ( CKEDITOR.env.gecko )
384 {
385 activateEditing( editor );
386
387 // Ensure bogus br could help to move cursor (out of styles) to the end of block. (#7041)
388 var pathBlock = path.block || path.blockLimit,
389 lastNode = pathBlock && pathBlock.getLast( isNotEmpty );
390
391 // Check some specialities of the current path block:
392 // 1. It is really displayed as block; (#7221)
393 // 2. It doesn't end with one inner block; (#7467)
394 // 3. It doesn't have bogus br yet.
395 if ( pathBlock
396 && pathBlock.isBlockBoundary()
397 && !( lastNode && lastNode.type == CKEDITOR.NODE_ELEMENT && lastNode.isBlockBoundary() )
398 && !pathBlock.is( 'pre' )
399 && !pathBlock.getBogus() )
400 {
401 editor.fire( 'updateSnapshot' );
402 restoreDirty( editor );
403 pathBlock.appendBogus();
404 }
405 }
406
407 // When we're in block enter mode, a new paragraph will be established
408 // to encapsulate inline contents right under body. (#3657)
409 if ( editor.config.autoParagraph !== false
410 && enterMode != CKEDITOR.ENTER_BR
411 && range.collapsed
412 && blockLimit.getName() == 'body'
413 && !path.block )
414 {
415 editor.fire( 'updateSnapshot' );
416 restoreDirty( editor );
417 CKEDITOR.env.ie && restoreSelection( selection );
418
419 var fixedBlock = range.fixBlock( true,
420 editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
421
422 // For IE, we should remove any filler node which was introduced before.
423 if ( CKEDITOR.env.ie )
424 {
425 var first = fixedBlock.getFirst( isNotEmpty );
426 first && isNbsp( first ) && first.remove();
427 }
428
429 // If the fixed block is actually blank and is already followed by an exitable blank
430 // block, we should revert the fix and move into the existed one. (#3684)
431 if ( isBlankParagraph( fixedBlock ) )
432 {
433 var element = fixedBlock.getNext( isNotWhitespace );
434 if ( element &&
435 element.type == CKEDITOR.NODE_ELEMENT &&
436 !nonEditable( element ) )
437 {
438 range.moveToElementEditStart( element );
439 fixedBlock.remove();
440 }
441 else
442 {
443 element = fixedBlock.getPrevious( isNotWhitespace );
444 if ( element &&
445 element.type == CKEDITOR.NODE_ELEMENT &&
446 !nonEditable( element ) )
447 {
448 range.moveToElementEditEnd( element );
449 fixedBlock.remove();
450 }
451 }
452 }
453
454 range.select();
455 // Cancel this selection change in favor of the next (correct). (#6811)
456 evt.cancel();
457 }
458
459 // Browsers are incapable of moving cursor out of certain block elements (e.g. table, div, pre)
460 // at the end of document, makes it unable to continue adding content, we have to make this
461 // easier by opening an new empty paragraph.
462 var testRange = new CKEDITOR.dom.range( editor.document );
463 testRange.moveToElementEditEnd( editor.document.getBody() );
464 var testPath = new CKEDITOR.dom.elementPath( testRange.startContainer );
465 if ( !testPath.blockLimit.is( 'body') )
466 {
467 editor.fire( 'updateSnapshot' );
468 restoreDirty( editor );
469 CKEDITOR.env.ie && restoreSelection( selection );
470
471 var paddingBlock;
472 if ( enterMode != CKEDITOR.ENTER_BR )
473 paddingBlock = body.append( editor.document.createElement( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) );
474 else
475 paddingBlock = body;
476
477 if ( !CKEDITOR.env.ie )
478 paddingBlock.appendBogus();
479 }
480 }
481
482 CKEDITOR.plugins.add( 'wysiwygarea',
483 {
484 requires : [ 'editingblock' ],
485
486 init : function( editor )
487 {
488 var fixForBody = ( editor.config.enterMode != CKEDITOR.ENTER_BR && editor.config.autoParagraph !== false )
489 ? editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' : false;
490
491 var frameLabel = editor.lang.editorTitle.replace( '%1', editor.name );
492
493 var contentDomReadyHandler;
494 editor.on( 'editingBlockReady', function()
495 {
496 var mainElement,
497 iframe,
498 isLoadingData,
499 isPendingFocus,
500 frameLoaded,
501 fireMode;
502
503
504 // Support for custom document.domain in IE.
505 var isCustomDomain = CKEDITOR.env.isCustomDomain();
506
507 // Creates the iframe that holds the editable document.
508 var createIFrame = function( data )
509 {
510 if ( iframe )
511 iframe.remove();
512
513 var src =
514 'document.open();' +
515
516 // The document domain must be set any time we
517 // call document.open().
518 ( isCustomDomain ? ( 'document.domain="' + document.domain + '";' ) : '' ) +
519
520 'document.close();';
521
522 // With IE, the custom domain has to be taken care at first,
523 // for other browers, the 'src' attribute should be left empty to
524 // trigger iframe's 'load' event.
525 src =
526 CKEDITOR.env.air ?
527 'javascript:void(0)' :
528 CKEDITOR.env.ie ?
529 'javascript:void(function(){' + encodeURIComponent( src ) + '}())'
530 :
531 '';
532
533 iframe = CKEDITOR.dom.element.createFromHtml( '<iframe' +
534 ' style="width:100%;height:100%"' +
535 ' frameBorder="0"' +
536 ' title="' + frameLabel + '"' +
537 ' src="' + src + '"' +
538 ' tabIndex="' + ( CKEDITOR.env.webkit? -1 : editor.tabIndex ) + '"' +
539 ' allowTransparency="true"' +
540 '></iframe>' );
541
542 // Running inside of Firefox chrome the load event doesn't bubble like in a normal page (#5689)
543 if ( document.location.protocol == 'chrome:' )
544 CKEDITOR.event.useCapture = true;
545
546 // With FF, it's better to load the data on iframe.load. (#3894,#4058)
547 iframe.on( 'load', function( ev )
548 {
549 frameLoaded = 1;
550 ev.removeListener();
551
552 var doc = iframe.getFrameDocument();
553 doc.write( data );
554
555 CKEDITOR.env.air && contentDomReady( doc.getWindow().$ );
556 });
557
558 // Reset adjustment back to default (#5689)
559 if ( document.location.protocol == 'chrome:' )
560 CKEDITOR.event.useCapture = false;
561
562 mainElement.append( iframe );
563 };
564
565 // The script that launches the bootstrap logic on 'domReady', so the document
566 // is fully editable even before the editing iframe is fully loaded (#4455).
567 contentDomReadyHandler = CKEDITOR.tools.addFunction( contentDomReady );
568 var activationScript =
569 '<script id="cke_actscrpt" type="text/javascript" data-cke-temp="1">' +
570 ( isCustomDomain ? ( 'document.domain="' + document.domain + '";' ) : '' ) +
571 'window.parent.CKEDITOR.tools.callFunction( ' + contentDomReadyHandler + ', window );' +
572 '</script>';
573
574 // Editing area bootstrap code.
575 function contentDomReady( domWindow )
576 {
577 if ( !frameLoaded )
578 return;
579 frameLoaded = 0;
580
581 editor.fire( 'ariaWidget', iframe );
582
583 var domDocument = domWindow.document,
584 body = domDocument.body;
585
586 // Remove this script from the DOM.
587 var script = domDocument.getElementById( "cke_actscrpt" );
588 script && script.parentNode.removeChild( script );
589
590 body.spellcheck = !editor.config.disableNativeSpellChecker;
591
592 var editable = !editor.readOnly;
593
594 if ( CKEDITOR.env.ie )
595 {
596 // Don't display the focus border.
597 body.hideFocus = true;
598
599 // Disable and re-enable the body to avoid IE from
600 // taking the editing focus at startup. (#141 / #523)
601 body.disabled = true;
602 body.contentEditable = editable;
603 body.removeAttribute( 'disabled' );
604 }
605 else
606 {
607 // Avoid opening design mode in a frame window thread,
608 // which will cause host page scrolling.(#4397)
609 setTimeout( function()
610 {
611 // Prefer 'contentEditable' instead of 'designMode'. (#3593)
612 if ( CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900
613 || CKEDITOR.env.opera )
614 domDocument.$.body.contentEditable = editable;
615 else if ( CKEDITOR.env.webkit )
616 domDocument.$.body.parentNode.contentEditable = editable;
617 else
618 domDocument.$.designMode = editable? 'off' : 'on';
619 }, 0 );
620 }
621
622 editable && CKEDITOR.env.gecko && CKEDITOR.tools.setTimeout( activateEditing, 0, null, editor );
623
624 domWindow = editor.window = new CKEDITOR.dom.window( domWindow );
625 domDocument = editor.document = new CKEDITOR.dom.document( domDocument );
626
627 editable && domDocument.on( 'dblclick', function( evt )
628 {
629 var element = evt.data.getTarget(),
630 data = { element : element, dialog : '' };
631 editor.fire( 'doubleclick', data );
632 data.dialog && editor.openDialog( data.dialog );
633 });
634
635 // Prevent automatic submission in IE #6336
636 CKEDITOR.env.ie && domDocument.on( 'click', function( evt )
637 {
638 var element = evt.data.getTarget();
639 if ( element.is( 'input' ) )
640 {
641 var type = element.getAttribute( 'type' );
642 if ( type == 'submit' || type == 'reset' )
643 evt.data.preventDefault();
644 }
645 });
646
647 // Gecko/Webkit need some help when selecting control type elements. (#3448)
648 if ( !( CKEDITOR.env.ie || CKEDITOR.env.opera ) )
649 {
650 domDocument.on( 'mousedown', function( ev )
651 {
652 var control = ev.data.getTarget();
653 if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) )
654 editor.getSelection().selectElement( control );
655 } );
656 }
657
658 if ( CKEDITOR.env.gecko )
659 {
660 domDocument.on( 'mouseup', function( ev )
661 {
662 if ( ev.data.$.button == 2 )
663 {
664 var target = ev.data.getTarget();
665
666 // Prevent right click from selecting an empty block even
667 // when selection is anchored inside it. (#5845)
668 if ( !target.getOuterHtml().replace( emptyParagraphRegexp, '' ) )
669 {
670 var range = new CKEDITOR.dom.range( domDocument );
671 range.moveToElementEditStart( target );
672 range.select( true );
673 }
674 }
675 } );
676 }
677
678 // Prevent the browser opening links in read-only blocks. (#6032)
679 domDocument.on( 'click', function( ev )
680 {
681 ev = ev.data;
682 if ( ev.getTarget().is( 'a' ) && ev.$.button != 2 )
683 ev.preventDefault();
684 });
685
686 // Webkit: avoid from editing form control elements content.
687 if ( CKEDITOR.env.webkit )
688 {
689 // Mark that cursor will right blinking (#7113).
690 domDocument.on( 'mousedown', function() { wasFocused = 1; } );
691 // Prevent from tick checkbox/radiobox/select
692 domDocument.on( 'click', function( ev )
693 {
694 if ( ev.data.getTarget().is( 'input', 'select' ) )
695 ev.data.preventDefault();
696 } );
697
698 // Prevent from editig textfield/textarea value.
699 domDocument.on( 'mouseup', function( ev )
700 {
701 if ( ev.data.getTarget().is( 'input', 'textarea' ) )
702 ev.data.preventDefault();
703 } );
704 }
705
706 // IE standard compliant in editing frame doesn't focus the editor when
707 // clicking outside actual content, manually apply the focus. (#1659)
708 if ( editable &&
709 CKEDITOR.env.ie && domDocument.$.compatMode == 'CSS1Compat'
710 || CKEDITOR.env.gecko
711 || CKEDITOR.env.opera )
712 {
713 var htmlElement = domDocument.getDocumentElement();
714 htmlElement.on( 'mousedown', function( evt )
715 {
716 // Setting focus directly on editor doesn't work, we
717 // have to use here a temporary element to 'redirect'
718 // the focus.
719 if ( evt.data.getTarget().equals( htmlElement ) )
720 {
721 if ( CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900 )
722 blinkCursor();
723 focusGrabber.focus();
724 }
725 } );
726 }
727
728 var focusTarget = CKEDITOR.env.ie ? iframe : domWindow;
729 focusTarget.on( 'blur', function()
730 {
731 editor.focusManager.blur();
732 });
733
734 var wasFocused;
735
736 focusTarget.on( 'focus', function()
737 {
738 var doc = editor.document;
739
740 if ( editable && CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900 )
741 blinkCursor();
742 else if ( CKEDITOR.env.opera )
743 doc.getBody().focus();
744 // Webkit needs focus for the first time on the HTML element. (#6153)
745 else if ( CKEDITOR.env.webkit )
746 {
747 if ( !wasFocused )
748 {
749 editor.document.getDocumentElement().focus();
750 wasFocused = 1;
751 }
752 }
753
754 editor.focusManager.focus();
755 });
756
757 var keystrokeHandler = editor.keystrokeHandler;
758 // Prevent backspace from navigating off the page.
759 keystrokeHandler.blockedKeystrokes[ 8 ] = !editable;
760 keystrokeHandler.attach( domDocument );
761
762 if ( CKEDITOR.env.ie )
763 {
764 domDocument.getDocumentElement().addClass( domDocument.$.compatMode );
765 // Override keystrokes which should have deletion behavior
766 // on control types in IE . (#4047)
767 editable && domDocument.on( 'keydown', function( evt )
768 {
769 var keyCode = evt.data.getKeystroke();
770
771 // Backspace OR Delete.
772 if ( keyCode in { 8 : 1, 46 : 1 } )
773 {
774 var sel = editor.getSelection(),
775 control = sel.getSelectedElement();
776
777 if ( control )
778 {
779 // Make undo snapshot.
780 editor.fire( 'saveSnapshot' );
781
782 // Delete any element that 'hasLayout' (e.g. hr,table) in IE8 will
783 // break up the selection, safely manage it here. (#4795)
784 var bookmark = sel.getRanges()[ 0 ].createBookmark();
785 // Remove the control manually.
786 control.remove();
787 sel.selectBookmarks( [ bookmark ] );
788
789 editor.fire( 'saveSnapshot' );
790
791 evt.data.preventDefault();
792 }
793 }
794 } );
795
796 // PageUp/PageDown scrolling is broken in document
797 // with standard doctype, manually fix it. (#4736)
798 if ( domDocument.$.compatMode == 'CSS1Compat' )
799 {
800 var pageUpDownKeys = { 33 : 1, 34 : 1 };
801 domDocument.on( 'keydown', function( evt )
802 {
803 if ( evt.data.getKeystroke() in pageUpDownKeys )
804 {
805 setTimeout( function ()
806 {
807 editor.getSelection().scrollIntoView();
808 }, 0 );
809 }
810 } );
811 }
812
813 // Prevent IE from leaving new paragraph after deleting all contents in body. (#6966)
814 editor.config.enterMode != CKEDITOR.ENTER_P
815 && domDocument.on( 'selectionchange', function()
816 {
817 var body = domDocument.getBody(),
818 range = editor.getSelection().getRanges()[ 0 ];
819
820 if ( body.getHtml().match( /^<p>&nbsp;<\/p>$/i )
821 && range.startContainer.equals( body ) )
822 {
823 // Avoid the ambiguity from a real user cursor position.
824 setTimeout( function ()
825 {
826 range = editor.getSelection().getRanges()[ 0 ];
827 if ( !range.startContainer.equals ( 'body' ) )
828 {
829 body.getFirst().remove( 1 );
830 range.moveToElementEditEnd( body );
831 range.select( 1 );
832 }
833 }, 0 );
834 }
835 });
836 }
837
838 // Adds the document body as a context menu target.
839 if ( editor.contextMenu )
840 editor.contextMenu.addTarget( domDocument, editor.config.browserContextMenuOnCtrl !== false );
841
842 setTimeout( function()
843 {
844 editor.fire( 'contentDom' );
845
846 if ( fireMode )
847 {
848 editor.mode = 'wysiwyg';
849 editor.fire( 'mode' );
850 fireMode = false;
851 }
852
853 isLoadingData = false;
854
855 if ( isPendingFocus )
856 {
857 editor.focus();
858 isPendingFocus = false;
859 }
860 setTimeout( function()
861 {
862 editor.fire( 'dataReady' );
863 }, 0 );
864
865 // IE, Opera and Safari may not support it and throw errors.
866 try { editor.document.$.execCommand( 'enableInlineTableEditing', false, !editor.config.disableNativeTableHandles ); } catch(e) {}
867 if ( editor.config.disableObjectResizing )
868 {
869 try
870 {
871 editor.document.$.execCommand( 'enableObjectResizing', false, false );
872 }
873 catch(e)
874 {
875 // For browsers in which the above method failed, we can cancel the resizing on the fly (#4208)
876 editor.document.getBody().on( CKEDITOR.env.ie ? 'resizestart' : 'resize', function( evt )
877 {
878 evt.data.preventDefault();
879 });
880 }
881 }
882
883 /*
884 * IE BUG: IE might have rendered the iframe with invisible contents.
885 * (#3623). Push some inconsequential CSS style changes to force IE to
886 * refresh it.
887 *
888 * Also, for some unknown reasons, short timeouts (e.g. 100ms) do not
889 * fix the problem. :(
890 */
891 if ( CKEDITOR.env.ie )
892 {
893 setTimeout( function()
894 {
895 if ( editor.document )
896 {
897 var $body = editor.document.$.body;
898 $body.runtimeStyle.marginBottom = '0px';
899 $body.runtimeStyle.marginBottom = '';
900 }
901 }, 1000 );
902 }
903 },
904 0 );
905 }
906
907 editor.addMode( 'wysiwyg',
908 {
909 load : function( holderElement, data, isSnapshot )
910 {
911 mainElement = holderElement;
912
913 if ( CKEDITOR.env.ie && CKEDITOR.env.quirks )
914 holderElement.setStyle( 'position', 'relative' );
915
916 // The editor data "may be dirty" after this
917 // point.
918 editor.mayBeDirty = true;
919
920 fireMode = true;
921
922 if ( isSnapshot )
923 this.loadSnapshotData( data );
924 else
925 this.loadData( data );
926 },
927
928 loadData : function( data )
929 {
930 isLoadingData = true;
931 editor._.dataStore = { id : 1 };
932
933 var config = editor.config,
934 fullPage = config.fullPage,
935 docType = config.docType;
936
937 // Build the additional stuff to be included into <head>.
938 var headExtra =
939 '<style type="text/css" data-cke-temp="1">' +
940 editor._.styles.join( '\n' ) +
941 '</style>';
942
943 !fullPage && ( headExtra =
944 CKEDITOR.tools.buildStyleHtml( editor.config.contentsCss ) +
945 headExtra );
946
947 var baseTag = config.baseHref ? '<base href="' + config.baseHref + '" data-cke-temp="1" />' : '';
948
949 if ( fullPage )
950 {
951 // Search and sweep out the doctype declaration.
952 data = data.replace( /<!DOCTYPE[^>]*>/i, function( match )
953 {
954 editor.docType = docType = match;
955 return '';
956 }).replace( /<\?xml\s[^\?]*\?>/i, function( match )
957 {
958 editor.xmlDeclaration = match;
959 return '';
960 });
961 }
962
963 // Get the HTML version of the data.
964 if ( editor.dataProcessor )
965 data = editor.dataProcessor.toHtml( data, fixForBody );
966
967 if ( fullPage )
968 {
969 // Check if the <body> tag is available.
970 if ( !(/<body[\s|>]/).test( data ) )
971 data = '<body>' + data;
972
973 // Check if the <html> tag is available.
974 if ( !(/<html[\s|>]/).test( data ) )
975 data = '<html>' + data + '</html>';
976
977 // Check if the <head> tag is available.
978 if ( !(/<head[\s|>]/).test( data ) )
979 data = data.replace( /<html[^>]*>/, '$&<head><title></title></head>' ) ;
980 else if ( !(/<title[\s|>]/).test( data ) )
981 data = data.replace( /<head[^>]*>/, '$&<title></title>' ) ;
982
983 // The base must be the first tag in the HEAD, e.g. to get relative
984 // links on styles.
985 baseTag && ( data = data.replace( /<head>/, '$&' + baseTag ) );
986
987 // Inject the extra stuff into <head>.
988 // Attention: do not change it before testing it well. (V2)
989 // This is tricky... if the head ends with <meta ... content type>,
990 // Firefox will break. But, it works if we place our extra stuff as
991 // the last elements in the HEAD.
992 data = data.replace( /<\/head\s*>/, headExtra + '$&' );
993
994 // Add the DOCTYPE back to it.
995 data = docType + data;
996 }
997 else
998 {
999 data =
1000 config.docType +
1001 '<html dir="' + config.contentsLangDirection + '"' +
1002 ' lang="' + ( config.contentsLanguage || editor.langCode ) + '">' +
1003 '<head>' +
1004 '<title>' + frameLabel + '</title>' +
1005 baseTag +
1006 headExtra +
1007 '</head>' +
1008 '<body' + ( config.bodyId ? ' id="' + config.bodyId + '"' : '' ) +
1009 ( config.bodyClass ? ' class="' + config.bodyClass + '"' : '' ) +
1010 '>' +
1011 data +
1012 '</html>';
1013 }
1014
1015 // Distinguish bogus to normal BR at the end of document for Mozilla. (#5293).
1016 if ( CKEDITOR.env.gecko )
1017 data = data.replace( /<br \/>(?=\s*<\/(:?html|body)>)/, '$&<br type="_moz" />' );
1018
1019 data += activationScript;
1020
1021
1022 // The iframe is recreated on each call of setData, so we need to clear DOM objects
1023 this.onDispose();
1024 createIFrame( data );
1025 },
1026
1027 getData : function()
1028 {
1029 var config = editor.config,
1030 fullPage = config.fullPage,
1031 docType = fullPage && editor.docType,
1032 xmlDeclaration = fullPage && editor.xmlDeclaration,
1033 doc = iframe.getFrameDocument();
1034
1035 var data = fullPage
1036 ? doc.getDocumentElement().getOuterHtml()
1037 : doc.getBody().getHtml();
1038
1039 // BR at the end of document is bogus node for Mozilla. (#5293).
1040 if ( CKEDITOR.env.gecko )
1041 data = data.replace( /<br>(?=\s*(:?$|<\/body>))/, '' );
1042
1043 if ( editor.dataProcessor )
1044 data = editor.dataProcessor.toDataFormat( data, fixForBody );
1045
1046 // Reset empty if the document contains only one empty paragraph.
1047 if ( config.ignoreEmptyParagraph )
1048 data = data.replace( emptyParagraphRegexp, function( match, lookback ) { return lookback; } );
1049
1050 if ( xmlDeclaration )
1051 data = xmlDeclaration + '\n' + data;
1052 if ( docType )
1053 data = docType + '\n' + data;
1054
1055 return data;
1056 },
1057
1058 getSnapshotData : function()
1059 {
1060 return iframe.getFrameDocument().getBody().getHtml();
1061 },
1062
1063 loadSnapshotData : function( data )
1064 {
1065 iframe.getFrameDocument().getBody().setHtml( data );
1066 },
1067
1068 onDispose : function()
1069 {
1070 if ( !editor.document )
1071 return;
1072
1073 editor.document.getDocumentElement().clearCustomData();
1074 editor.document.getBody().clearCustomData();
1075
1076 editor.window.clearCustomData();
1077 editor.document.clearCustomData();
1078
1079 iframe.clearCustomData();
1080
1081 /*
1082 * IE BUG: When destroying editor DOM with the selection remains inside
1083 * editing area would break IE7/8's selection system, we have to put the editing
1084 * iframe offline first. (#3812 and #5441)
1085 */
1086 iframe.remove();
1087 },
1088
1089 unload : function( holderElement )
1090 {
1091 this.onDispose();
1092
1093 editor.window = editor.document = iframe = mainElement = isPendingFocus = null;
1094
1095 editor.fire( 'contentDomUnload' );
1096 },
1097
1098 focus : function()
1099 {
1100 var win = editor.window;
1101
1102 if ( isLoadingData )
1103 isPendingFocus = true;
1104 // Temporary solution caused by #6025, supposed be unified by #6154.
1105 else if ( CKEDITOR.env.opera && editor.document )
1106 {
1107 // Required for Opera when switching focus
1108 // from another iframe, e.g. panels. (#6444)
1109 var iframe = editor.window.$.frameElement;
1110 iframe.blur(), iframe.focus();
1111 editor.document.getBody().focus();
1112
1113 editor.selectionChange();
1114 }
1115 else if ( !CKEDITOR.env.opera && win )
1116 {
1117 // AIR needs a while to focus when moving from a link.
1118 CKEDITOR.env.air ? setTimeout( function () { win.focus(); }, 0 ) : win.focus();
1119 editor.selectionChange();
1120 }
1121 }
1122 });
1123
1124 editor.on( 'insertHtml', onInsert( doInsertHtml ) , null, null, 20 );
1125 editor.on( 'insertElement', onInsert( doInsertElement ), null, null, 20 );
1126 editor.on( 'insertText', onInsert( doInsertText ), null, null, 20 );
1127 // Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)
1128 editor.on( 'selectionChange', onSelectionChangeFixBody, null, null, 1 );
1129 });
1130
1131 var titleBackup;
1132 // Setting voice label as window title, backup the original one
1133 // and restore it before running into use.
1134 editor.on( 'contentDom', function()
1135 {
1136 var title = editor.document.getElementsByTag( 'title' ).getItem( 0 );
1137 title.data( 'cke-title', editor.document.$.title );
1138 editor.document.$.title = frameLabel;
1139 });
1140
1141 editor.on( 'readOnly', function()
1142 {
1143 if ( editor.mode == 'wysiwyg' )
1144 {
1145 // Symply reload the wysiwyg area. It'll take care of read-only.
1146 var wysiwyg = editor.getMode();
1147 wysiwyg.loadData( wysiwyg.getData() );
1148 }
1149 });
1150
1151 // IE>=8 stricts mode doesn't have 'contentEditable' in effect
1152 // on element unless it has layout. (#5562)
1153 if ( CKEDITOR.document.$.documentMode >= 8 )
1154 {
1155 editor.addCss( 'html.CSS1Compat [contenteditable=false]{ min-height:0 !important;}' );
1156
1157 var selectors = [];
1158 for ( var tag in CKEDITOR.dtd.$removeEmpty )
1159 selectors.push( 'html.CSS1Compat ' + tag + '[contenteditable=false]' );
1160 editor.addCss( selectors.join( ',' ) + '{ display:inline-block;}' );
1161 }
1162 // Set the HTML style to 100% to have the text cursor in affect (#6341)
1163 else if ( CKEDITOR.env.gecko )
1164 {
1165 editor.addCss( 'html { height: 100% !important; }' );
1166 editor.addCss( 'img:-moz-broken { -moz-force-broken-image-icon : 1; width : 24px; height : 24px; }' );
1167 }
1168
1169 /* #3658: [IE6] Editor document has horizontal scrollbar on long lines
1170 To prevent this misbehavior, we show the scrollbar always */
1171 /* #6341: The text cursor must be set on the editor area. */
1172 /* #6632: Avoid having "text" shape of cursor in IE7 scrollbars.*/
1173 editor.addCss( 'html { _overflow-y: scroll; cursor: text; *cursor:auto;}' );
1174 // Use correct cursor for these elements
1175 editor.addCss( 'img, input, textarea { cursor: default;}' );
1176
1177 // Switch on design mode for a short while and close it after then.
1178 function blinkCursor( retry )
1179 {
1180 if ( editor.readOnly )
1181 return;
1182
1183 CKEDITOR.tools.tryThese(
1184 function()
1185 {
1186 editor.document.$.designMode = 'on';
1187 setTimeout( function()
1188 {
1189 editor.document.$.designMode = 'off';
1190 if ( CKEDITOR.currentInstance == editor )
1191 editor.document.getBody().focus();
1192 }, 50 );
1193 },
1194 function()
1195 {
1196 // The above call is known to fail when parent DOM
1197 // tree layout changes may break design mode. (#5782)
1198 // Refresh the 'contentEditable' is a cue to this.
1199 editor.document.$.designMode = 'off';
1200 var body = editor.document.getBody();
1201 body.setAttribute( 'contentEditable', false );
1202 body.setAttribute( 'contentEditable', true );
1203 // Try it again once..
1204 !retry && blinkCursor( 1 );
1205 });
1206 }
1207
1208 // Create an invisible element to grab focus.
1209 if ( CKEDITOR.env.gecko || CKEDITOR.env.ie || CKEDITOR.env.opera )
1210 {
1211 var focusGrabber;
1212 editor.on( 'uiReady', function()
1213 {
1214 focusGrabber = editor.container.append( CKEDITOR.dom.element.createFromHtml(
1215 // Use 'span' instead of anything else to fly under the screen-reader radar. (#5049)
1216 '<span tabindex="-1" style="position:absolute;" role="presentation"></span>' ) );
1217
1218 focusGrabber.on( 'focus', function()
1219 {
1220 editor.focus();
1221 } );
1222
1223 editor.focusGrabber = focusGrabber;
1224 } );
1225 editor.on( 'destroy', function()
1226 {
1227 CKEDITOR.tools.removeFunction( contentDomReadyHandler );
1228 focusGrabber.clearCustomData();
1229 delete editor.focusGrabber;
1230 } );
1231 }
1232
1233 // Disable form elements editing mode provided by some browers. (#5746)
1234 editor.on( 'insertElement', function ( evt )
1235 {
1236 var element = evt.data;
1237 if ( element.type == CKEDITOR.NODE_ELEMENT
1238 && ( element.is( 'input' ) || element.is( 'textarea' ) ) )
1239 {
1240 // We should flag that the element was locked by our code so
1241 // it'll be editable by the editor functions (#6046).
1242 if ( !element.isReadOnly() )
1243 element.data( 'cke-editable', element.hasAttribute( 'contenteditable' ) ? 'true' : '1' );
1244 element.setAttribute( 'contentEditable', false );
1245 }
1246 });
1247
1248 }
1249 });
1250
1251 // Fixing Firefox 'Back-Forward Cache' break design mode. (#4514)
1252 if ( CKEDITOR.env.gecko )
1253 {
1254 (function()
1255 {
1256 var body = document.body;
1257
1258 if ( !body )
1259 window.addEventListener( 'load', arguments.callee, false );
1260 else
1261 {
1262 var currentHandler = body.getAttribute( 'onpageshow' );
1263 body.setAttribute( 'onpageshow', ( currentHandler ? currentHandler + ';' : '') +
1264 'event.persisted && (function(){' +
1265 'var allInstances = CKEDITOR.instances, editor, doc;' +
1266 'for ( var i in allInstances )' +
1267 '{' +
1268 ' editor = allInstances[ i ];' +
1269 ' doc = editor.document;' +
1270 ' if ( doc )' +
1271 ' {' +
1272 ' doc.$.designMode = "off";' +
1273 ' doc.$.designMode = "on";' +
1274 ' }' +
1275 '}' +
1276 '})();' );
1277 }
1278 } )();
1279
1280 }
1281 })();
1282
1283 /**
1284 * Disables the ability of resize objects (image and tables) in the editing
1285 * area.
1286 * @type Boolean
1287 * @default false
1288 * @example
1289 * config.disableObjectResizing = true;
1290 */
1291 CKEDITOR.config.disableObjectResizing = false;
1292
1293 /**
1294 * Disables the "table tools" offered natively by the browser (currently
1295 * Firefox only) to make quick table editing operations, like adding or
1296 * deleting rows and columns.
1297 * @type Boolean
1298 * @default true
1299 * @example
1300 * config.disableNativeTableHandles = false;
1301 */
1302 CKEDITOR.config.disableNativeTableHandles = true;
1303
1304 /**
1305 * Disables the built-in words spell checker if browser provides one.<br /><br />
1306 *
1307 * <strong>Note:</strong> Although word suggestions provided by browsers (natively) will not appear in CKEditor's default context menu,
1308 * users can always reach the native context menu by holding the <em>Ctrl</em> key when right-clicking if {@link CKEDITOR.config.browserContextMenuOnCtrl}
1309 * is enabled or you're simply not using the context menu plugin.
1310 *
1311 * @type Boolean
1312 * @default true
1313 * @example
1314 * config.disableNativeSpellChecker = false;
1315 */
1316 CKEDITOR.config.disableNativeSpellChecker = true;
1317
1318 /**
1319 * Whether the editor must output an empty value ("") if it's contents is made
1320 * by an empty paragraph only.
1321 * @type Boolean
1322 * @default true
1323 * @example
1324 * config.ignoreEmptyParagraph = false;
1325 */
1326 CKEDITOR.config.ignoreEmptyParagraph = true;
1327
1328 /**
1329 * Fired when data is loaded and ready for retrieval in an editor instance.
1330 * @name CKEDITOR.editor#dataReady
1331 * @event
1332 */
1333
1334 /**
1335 * Whether automatically create wrapping blocks around inline contents inside document body,
1336 * this helps to ensure the integrality of the block enter mode.
1337 * <strong>Note:</strong> Changing the default value might introduce unpredictable usability issues.
1338 * @name CKEDITOR.config.autoParagraph
1339 * @since 3.6
1340 * @type Boolean
1341 * @default true
1342 * @example
1343 * config.autoParagraph = false;
1344 */
1345
1346 /**
1347 * Fired when some elements are added to the document
1348 * @name CKEDITOR.editor#ariaWidget
1349 * @event
1350 * @param {Object} element The element being added
1351 */