source: trunk/admin/inc/ckeditor/_source/plugins/styles/plugin.js@ 307

Last change on this file since 307 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.
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File size: 51.9 KB
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1/*
2Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3For licensing, see LICENSE.html or http://ckeditor.com/license
4*/
5
6CKEDITOR.plugins.add( 'styles',
7{
8 requires : [ 'selection' ],
9 init : function( editor )
10 {
11 // This doesn't look like correct, but it's the safest way to proper
12 // pass the disableReadonlyStyling configuration to the style system
13 // without having to change any method signature in the API. (#6103)
14 editor.on( 'contentDom', function()
15 {
16 editor.document.setCustomData( 'cke_includeReadonly', !editor.config.disableReadonlyStyling );
17 });
18 }
19});
20
21/**
22 * Registers a function to be called whenever the selection position changes in the
23 * editing area. The current state is passed to the function. The possible
24 * states are {@link CKEDITOR.TRISTATE_ON} and {@link CKEDITOR.TRISTATE_OFF}.
25 * @param {CKEDITOR.style} style The style to be watched.
26 * @param {Function} callback The function to be called.
27 * @example
28 * // Create a style object for the <b> element.
29 * var style = new CKEDITOR.style( { element : 'b' } );
30 * var editor = CKEDITOR.instances.editor1;
31 * editor.attachStyleStateChange( style, function( state )
32 * {
33 * if ( state == CKEDITOR.TRISTATE_ON )
34 * alert( 'The current state for the B element is ON' );
35 * else
36 * alert( 'The current state for the B element is OFF' );
37 * });
38 */
39CKEDITOR.editor.prototype.attachStyleStateChange = function( style, callback )
40{
41 // Try to get the list of attached callbacks.
42 var styleStateChangeCallbacks = this._.styleStateChangeCallbacks;
43
44 // If it doesn't exist, it means this is the first call. So, let's create
45 // all the structure to manage the style checks and the callback calls.
46 if ( !styleStateChangeCallbacks )
47 {
48 // Create the callbacks array.
49 styleStateChangeCallbacks = this._.styleStateChangeCallbacks = [];
50
51 // Attach to the selectionChange event, so we can check the styles at
52 // that point.
53 this.on( 'selectionChange', function( ev )
54 {
55 // Loop throw all registered callbacks.
56 for ( var i = 0 ; i < styleStateChangeCallbacks.length ; i++ )
57 {
58 var callback = styleStateChangeCallbacks[ i ];
59
60 // Check the current state for the style defined for that
61 // callback.
62 var currentState = callback.style.checkActive( ev.data.path ) ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF;
63
64 // Call the callback function, passing the current
65 // state to it.
66 callback.fn.call( this, currentState );
67 }
68 });
69 }
70
71 // Save the callback info, so it can be checked on the next occurrence of
72 // selectionChange.
73 styleStateChangeCallbacks.push( { style : style, fn : callback } );
74};
75
76CKEDITOR.STYLE_BLOCK = 1;
77CKEDITOR.STYLE_INLINE = 2;
78CKEDITOR.STYLE_OBJECT = 3;
79
80(function()
81{
82 var blockElements = { address:1,div:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1,p:1,pre:1,section:1,header:1,footer:1,nav:1,article:1,aside:1,figure:1,dialog:1,hgroup:1,time:1,meter:1,menu:1,command:1,keygen:1,output:1,progress:1,details:1,datagrid:1,datalist:1 },
83 objectElements = { a:1,embed:1,hr:1,img:1,li:1,object:1,ol:1,table:1,td:1,tr:1,th:1,ul:1,dl:1,dt:1,dd:1,form:1,audio:1,video:1 };
84
85 var semicolonFixRegex = /\s*(?:;\s*|$)/,
86 varRegex = /#\((.+?)\)/g;
87
88 var notBookmark = CKEDITOR.dom.walker.bookmark( 0, 1 ),
89 nonWhitespaces = CKEDITOR.dom.walker.whitespaces( 1 );
90
91 CKEDITOR.style = function( styleDefinition, variablesValues )
92 {
93 if ( variablesValues )
94 {
95 styleDefinition = CKEDITOR.tools.clone( styleDefinition );
96
97 replaceVariables( styleDefinition.attributes, variablesValues );
98 replaceVariables( styleDefinition.styles, variablesValues );
99 }
100
101 var element = this.element = styleDefinition.element ?
102 ( typeof styleDefinition.element == 'string' ? styleDefinition.element.toLowerCase() : styleDefinition.element )
103 : '*';
104
105 this.type =
106 blockElements[ element ] ?
107 CKEDITOR.STYLE_BLOCK
108 : objectElements[ element ] ?
109 CKEDITOR.STYLE_OBJECT
110 :
111 CKEDITOR.STYLE_INLINE;
112
113 // If the 'element' property is an object with a set of possible element, it will be applied like an object style: only to existing elements
114 if ( typeof this.element == 'object' )
115 this.type = CKEDITOR.STYLE_OBJECT;
116
117 this._ =
118 {
119 definition : styleDefinition
120 };
121 };
122
123 CKEDITOR.style.prototype =
124 {
125 apply : function( document )
126 {
127 applyStyle.call( this, document, false );
128 },
129
130 remove : function( document )
131 {
132 applyStyle.call( this, document, true );
133 },
134
135 applyToRange : function( range )
136 {
137 return ( this.applyToRange =
138 this.type == CKEDITOR.STYLE_INLINE ?
139 applyInlineStyle
140 : this.type == CKEDITOR.STYLE_BLOCK ?
141 applyBlockStyle
142 : this.type == CKEDITOR.STYLE_OBJECT ?
143 applyObjectStyle
144 : null ).call( this, range );
145 },
146
147 removeFromRange : function( range )
148 {
149 return ( this.removeFromRange =
150 this.type == CKEDITOR.STYLE_INLINE ?
151 removeInlineStyle
152 : this.type == CKEDITOR.STYLE_BLOCK ?
153 removeBlockStyle
154 : this.type == CKEDITOR.STYLE_OBJECT ?
155 removeObjectStyle
156 : null ).call( this, range );
157 },
158
159 applyToObject : function( element )
160 {
161 setupElement( element, this );
162 },
163
164 /**
165 * Get the style state inside an element path. Returns "true" if the
166 * element is active in the path.
167 */
168 checkActive : function( elementPath )
169 {
170 switch ( this.type )
171 {
172 case CKEDITOR.STYLE_BLOCK :
173 return this.checkElementRemovable( elementPath.block || elementPath.blockLimit, true );
174
175 case CKEDITOR.STYLE_OBJECT :
176 case CKEDITOR.STYLE_INLINE :
177
178 var elements = elementPath.elements;
179
180 for ( var i = 0, element ; i < elements.length ; i++ )
181 {
182 element = elements[ i ];
183
184 if ( this.type == CKEDITOR.STYLE_INLINE
185 && ( element == elementPath.block || element == elementPath.blockLimit ) )
186 continue;
187
188 if( this.type == CKEDITOR.STYLE_OBJECT )
189 {
190 var name = element.getName();
191 if ( !( typeof this.element == 'string' ? name == this.element : name in this.element ) )
192 continue;
193 }
194
195 if ( this.checkElementRemovable( element, true ) )
196 return true;
197 }
198 }
199 return false;
200 },
201
202 /**
203 * Whether this style can be applied at the element path.
204 * @param elementPath
205 */
206 checkApplicable : function( elementPath )
207 {
208 switch ( this.type )
209 {
210 case CKEDITOR.STYLE_INLINE :
211 case CKEDITOR.STYLE_BLOCK :
212 break;
213
214 case CKEDITOR.STYLE_OBJECT :
215 return elementPath.lastElement.getAscendant( this.element, true );
216 }
217
218 return true;
219 },
220
221 // Checks if an element, or any of its attributes, is removable by the
222 // current style definition.
223 checkElementRemovable : function( element, fullMatch )
224 {
225 var def = this._.definition;
226
227 if ( !element || !def.ignoreReadonly && element.isReadOnly() )
228 return false;
229
230 var attribs,
231 name = element.getName();
232
233 // If the element name is the same as the style name.
234 if ( typeof this.element == 'string' ? name == this.element : name in this.element )
235 {
236 // If no attributes are defined in the element.
237 if ( !fullMatch && !element.hasAttributes() )
238 return true;
239
240 attribs = getAttributesForComparison( def );
241
242 if ( attribs._length )
243 {
244 for ( var attName in attribs )
245 {
246 if ( attName == '_length' )
247 continue;
248
249 var elementAttr = element.getAttribute( attName ) || '';
250
251 // Special treatment for 'style' attribute is required.
252 if ( attName == 'style' ?
253 compareCssText( attribs[ attName ], normalizeCssText( elementAttr, false ) )
254 : attribs[ attName ] == elementAttr )
255 {
256 if ( !fullMatch )
257 return true;
258 }
259 else if ( fullMatch )
260 return false;
261 }
262 if ( fullMatch )
263 return true;
264 }
265 else
266 return true;
267 }
268
269 // Check if the element can be somehow overriden.
270 var override = getOverrides( this )[ element.getName() ] ;
271 if ( override )
272 {
273 // If no attributes have been defined, remove the element.
274 if ( !( attribs = override.attributes ) )
275 return true;
276
277 for ( var i = 0 ; i < attribs.length ; i++ )
278 {
279 attName = attribs[i][0];
280 var actualAttrValue = element.getAttribute( attName );
281 if ( actualAttrValue )
282 {
283 var attValue = attribs[i][1];
284
285 // Remove the attribute if:
286 // - The override definition value is null;
287 // - The override definition value is a string that
288 // matches the attribute value exactly.
289 // - The override definition value is a regex that
290 // has matches in the attribute value.
291 if ( attValue === null ||
292 ( typeof attValue == 'string' && actualAttrValue == attValue ) ||
293 attValue.test( actualAttrValue ) )
294 return true;
295 }
296 }
297 }
298 return false;
299 },
300
301 // Builds the preview HTML based on the styles definition.
302 buildPreview : function( label )
303 {
304 var styleDefinition = this._.definition,
305 html = [],
306 elementName = styleDefinition.element;
307
308 // Avoid <bdo> in the preview.
309 if ( elementName == 'bdo' )
310 elementName = 'span';
311
312 html = [ '<', elementName ];
313
314 // Assign all defined attributes.
315 var attribs = styleDefinition.attributes;
316 if ( attribs )
317 {
318 for ( var att in attribs )
319 {
320 html.push( ' ', att, '="', attribs[ att ], '"' );
321 }
322 }
323
324 // Assign the style attribute.
325 var cssStyle = CKEDITOR.style.getStyleText( styleDefinition );
326 if ( cssStyle )
327 html.push( ' style="', cssStyle, '"' );
328
329 html.push( '>', ( label || styleDefinition.name ), '</', elementName, '>' );
330
331 return html.join( '' );
332 }
333 };
334
335 // Build the cssText based on the styles definition.
336 CKEDITOR.style.getStyleText = function( styleDefinition )
337 {
338 // If we have already computed it, just return it.
339 var stylesDef = styleDefinition._ST;
340 if ( stylesDef )
341 return stylesDef;
342
343 stylesDef = styleDefinition.styles;
344
345 // Builds the StyleText.
346 var stylesText = ( styleDefinition.attributes && styleDefinition.attributes[ 'style' ] ) || '',
347 specialStylesText = '';
348
349 if ( stylesText.length )
350 stylesText = stylesText.replace( semicolonFixRegex, ';' );
351
352 for ( var style in stylesDef )
353 {
354 var styleVal = stylesDef[ style ],
355 text = ( style + ':' + styleVal ).replace( semicolonFixRegex, ';' );
356
357 // Some browsers don't support 'inherit' property value, leave them intact. (#5242)
358 if ( styleVal == 'inherit' )
359 specialStylesText += text;
360 else
361 stylesText += text;
362 }
363
364 // Browsers make some changes to the style when applying them. So, here
365 // we normalize it to the browser format.
366 if ( stylesText.length )
367 stylesText = normalizeCssText( stylesText );
368
369 stylesText += specialStylesText;
370
371 // Return it, saving it to the next request.
372 return ( styleDefinition._ST = stylesText );
373 };
374
375 // Gets the parent element which blocks the styling for an element. This
376 // can be done through read-only elements (contenteditable=false) or
377 // elements with the "data-nostyle" attribute.
378 function getUnstylableParent( element )
379 {
380 var unstylable,
381 editable;
382
383 while ( ( element = element.getParent() ) )
384 {
385 if ( element.getName() == 'body' )
386 break;
387
388 if ( element.getAttribute( 'data-nostyle' ) )
389 unstylable = element;
390 else if ( !editable )
391 {
392 var contentEditable = element.getAttribute( 'contentEditable' );
393
394 if ( contentEditable == 'false' )
395 unstylable = element;
396 else if ( contentEditable == 'true' )
397 editable = 1;
398 }
399 }
400
401 return unstylable;
402 }
403
404 function applyInlineStyle( range )
405 {
406 var document = range.document;
407
408 if ( range.collapsed )
409 {
410 // Create the element to be inserted in the DOM.
411 var collapsedElement = getElement( this, document );
412
413 // Insert the empty element into the DOM at the range position.
414 range.insertNode( collapsedElement );
415
416 // Place the selection right inside the empty element.
417 range.moveToPosition( collapsedElement, CKEDITOR.POSITION_BEFORE_END );
418
419 return;
420 }
421
422 var elementName = this.element;
423 var def = this._.definition;
424 var isUnknownElement;
425
426 // Indicates that fully selected read-only elements are to be included in the styling range.
427 var ignoreReadonly = def.ignoreReadonly,
428 includeReadonly = ignoreReadonly || def.includeReadonly;
429
430 // If the read-only inclusion is not available in the definition, try
431 // to get it from the document data.
432 if ( includeReadonly == undefined )
433 includeReadonly = document.getCustomData( 'cke_includeReadonly' );
434
435 // Get the DTD definition for the element. Defaults to "span".
436 var dtd = CKEDITOR.dtd[ elementName ] || ( isUnknownElement = true, CKEDITOR.dtd.span );
437
438 // Expand the range.
439 range.enlarge( CKEDITOR.ENLARGE_ELEMENT, 1 );
440 range.trim();
441
442 // Get the first node to be processed and the last, which concludes the
443 // processing.
444 var boundaryNodes = range.createBookmark(),
445 firstNode = boundaryNodes.startNode,
446 lastNode = boundaryNodes.endNode;
447
448 var currentNode = firstNode;
449
450 var styleRange;
451
452 if ( !ignoreReadonly )
453 {
454 // Check if the boundaries are inside non stylable elements.
455 var firstUnstylable = getUnstylableParent( firstNode ),
456 lastUnstylable = getUnstylableParent( lastNode );
457
458 // If the first element can't be styled, we'll start processing right
459 // after its unstylable root.
460 if ( firstUnstylable )
461 currentNode = firstUnstylable.getNextSourceNode( true );
462
463 // If the last element can't be styled, we'll stop processing on its
464 // unstylable root.
465 if ( lastUnstylable )
466 lastNode = lastUnstylable;
467 }
468
469 // Do nothing if the current node now follows the last node to be processed.
470 if ( currentNode.getPosition( lastNode ) == CKEDITOR.POSITION_FOLLOWING )
471 currentNode = 0;
472
473 while ( currentNode )
474 {
475 var applyStyle = false;
476
477 if ( currentNode.equals( lastNode ) )
478 {
479 currentNode = null;
480 applyStyle = true;
481 }
482 else
483 {
484 var nodeType = currentNode.type;
485 var nodeName = nodeType == CKEDITOR.NODE_ELEMENT ? currentNode.getName() : null;
486 var nodeIsReadonly = nodeName && ( currentNode.getAttribute( 'contentEditable' ) == 'false' );
487 var nodeIsNoStyle = nodeName && currentNode.getAttribute( 'data-nostyle' );
488
489 if ( nodeName && currentNode.data( 'cke-bookmark' ) )
490 {
491 currentNode = currentNode.getNextSourceNode( true );
492 continue;
493 }
494
495 // Check if the current node can be a child of the style element.
496 if ( !nodeName || ( dtd[ nodeName ]
497 && !nodeIsNoStyle
498 && ( !nodeIsReadonly || includeReadonly )
499 && ( currentNode.getPosition( lastNode ) | CKEDITOR.POSITION_PRECEDING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_PRECEDING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED )
500 && ( !def.childRule || def.childRule( currentNode ) ) ) )
501 {
502 var currentParent = currentNode.getParent();
503
504 // Check if the style element can be a child of the current
505 // node parent or if the element is not defined in the DTD.
506 if ( currentParent
507 && ( ( currentParent.getDtd() || CKEDITOR.dtd.span )[ elementName ] || isUnknownElement )
508 && ( !def.parentRule || def.parentRule( currentParent ) ) )
509 {
510 // This node will be part of our range, so if it has not
511 // been started, place its start right before the node.
512 // In the case of an element node, it will be included
513 // only if it is entirely inside the range.
514 if ( !styleRange && ( !nodeName || !CKEDITOR.dtd.$removeEmpty[ nodeName ] || ( currentNode.getPosition( lastNode ) | CKEDITOR.POSITION_PRECEDING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_PRECEDING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED ) ) )
515 {
516 styleRange = new CKEDITOR.dom.range( document );
517 styleRange.setStartBefore( currentNode );
518 }
519
520 // Non element nodes, readonly elements, or empty
521 // elements can be added completely to the range.
522 if ( nodeType == CKEDITOR.NODE_TEXT || nodeIsReadonly || ( nodeType == CKEDITOR.NODE_ELEMENT && !currentNode.getChildCount() ) )
523 {
524 var includedNode = currentNode;
525 var parentNode;
526
527 // This node is about to be included completelly, but,
528 // if this is the last node in its parent, we must also
529 // check if the parent itself can be added completelly
530 // to the range, otherwise apply the style immediately.
531 while ( ( applyStyle = !includedNode.getNext( notBookmark ) )
532 && ( parentNode = includedNode.getParent(), dtd[ parentNode.getName() ] )
533 && ( parentNode.getPosition( firstNode ) | CKEDITOR.POSITION_FOLLOWING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_FOLLOWING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED )
534 && ( !def.childRule || def.childRule( parentNode ) ) )
535 {
536 includedNode = parentNode;
537 }
538
539 styleRange.setEndAfter( includedNode );
540
541 }
542 }
543 else
544 applyStyle = true;
545 }
546 else
547 applyStyle = true;
548
549 // Get the next node to be processed.
550 currentNode = currentNode.getNextSourceNode( nodeIsNoStyle || nodeIsReadonly );
551 }
552
553 // Apply the style if we have something to which apply it.
554 if ( applyStyle && styleRange && !styleRange.collapsed )
555 {
556 // Build the style element, based on the style object definition.
557 var styleNode = getElement( this, document ),
558 styleHasAttrs = styleNode.hasAttributes();
559
560 // Get the element that holds the entire range.
561 var parent = styleRange.getCommonAncestor();
562
563 var removeList = {
564 styles : {},
565 attrs : {},
566 // Styles cannot be removed.
567 blockedStyles : {},
568 // Attrs cannot be removed.
569 blockedAttrs : {}
570 };
571
572 var attName, styleName, value;
573
574 // Loop through the parents, removing the redundant attributes
575 // from the element to be applied.
576 while ( styleNode && parent )
577 {
578 if ( parent.getName() == elementName )
579 {
580 for ( attName in def.attributes )
581 {
582 if ( removeList.blockedAttrs[ attName ] || !( value = parent.getAttribute( styleName ) ) )
583 continue;
584
585 if ( styleNode.getAttribute( attName ) == value )
586 removeList.attrs[ attName ] = 1;
587 else
588 removeList.blockedAttrs[ attName ] = 1;
589 }
590
591 for ( styleName in def.styles )
592 {
593 if ( removeList.blockedStyles[ styleName ] || !( value = parent.getStyle( styleName ) ) )
594 continue;
595
596 if ( styleNode.getStyle( styleName ) == value )
597 removeList.styles[ styleName ] = 1;
598 else
599 removeList.blockedStyles[ styleName ] = 1;
600 }
601 }
602
603 parent = parent.getParent();
604 }
605
606 for ( attName in removeList.attrs )
607 styleNode.removeAttribute( attName );
608
609 for ( styleName in removeList.styles )
610 styleNode.removeStyle( styleName );
611
612 if ( styleHasAttrs && !styleNode.hasAttributes() )
613 styleNode = null;
614
615 if ( styleNode )
616 {
617 // Move the contents of the range to the style element.
618 styleRange.extractContents().appendTo( styleNode );
619
620 // Here we do some cleanup, removing all duplicated
621 // elements from the style element.
622 removeFromInsideElement( this, styleNode );
623
624 // Insert it into the range position (it is collapsed after
625 // extractContents.
626 styleRange.insertNode( styleNode );
627
628 // Let's merge our new style with its neighbors, if possible.
629 styleNode.mergeSiblings();
630
631 // As the style system breaks text nodes constantly, let's normalize
632 // things for performance.
633 // With IE, some paragraphs get broken when calling normalize()
634 // repeatedly. Also, for IE, we must normalize body, not documentElement.
635 // IE is also known for having a "crash effect" with normalize().
636 // We should try to normalize with IE too in some way, somewhere.
637 if ( !CKEDITOR.env.ie )
638 styleNode.$.normalize();
639 }
640 // Style already inherit from parents, left just to clear up any internal overrides. (#5931)
641 else
642 {
643 styleNode = new CKEDITOR.dom.element( 'span' );
644 styleRange.extractContents().appendTo( styleNode );
645 styleRange.insertNode( styleNode );
646 removeFromInsideElement( this, styleNode );
647 styleNode.remove( true );
648 }
649
650 // Style applied, let's release the range, so it gets
651 // re-initialization in the next loop.
652 styleRange = null;
653 }
654 }
655
656 // Remove the bookmark nodes.
657 range.moveToBookmark( boundaryNodes );
658
659 // Minimize the result range to exclude empty text nodes. (#5374)
660 range.shrink( CKEDITOR.SHRINK_TEXT );
661 }
662
663 function removeInlineStyle( range )
664 {
665 /*
666 * Make sure our range has included all "collpased" parent inline nodes so
667 * that our operation logic can be simpler.
668 */
669 range.enlarge( CKEDITOR.ENLARGE_ELEMENT, 1 );
670
671 var bookmark = range.createBookmark(),
672 startNode = bookmark.startNode;
673
674 if ( range.collapsed )
675 {
676
677 var startPath = new CKEDITOR.dom.elementPath( startNode.getParent() ),
678 // The topmost element in elementspatch which we should jump out of.
679 boundaryElement;
680
681
682 for ( var i = 0, element ; i < startPath.elements.length
683 && ( element = startPath.elements[i] ) ; i++ )
684 {
685 /*
686 * 1. If it's collaped inside text nodes, try to remove the style from the whole element.
687 *
688 * 2. Otherwise if it's collapsed on element boundaries, moving the selection
689 * outside the styles instead of removing the whole tag,
690 * also make sure other inner styles were well preserverd.(#3309)
691 */
692 if ( element == startPath.block || element == startPath.blockLimit )
693 break;
694
695 if ( this.checkElementRemovable( element ) )
696 {
697 var isStart;
698
699 if ( range.collapsed && (
700 range.checkBoundaryOfElement( element, CKEDITOR.END ) ||
701 ( isStart = range.checkBoundaryOfElement( element, CKEDITOR.START ) ) ) )
702 {
703 boundaryElement = element;
704 boundaryElement.match = isStart ? 'start' : 'end';
705 }
706 else
707 {
708 /*
709 * Before removing the style node, there may be a sibling to the style node
710 * that's exactly the same to the one to be removed. To the user, it makes
711 * no difference that they're separate entities in the DOM tree. So, merge
712 * them before removal.
713 */
714 element.mergeSiblings();
715 if ( element.getName() == this.element )
716 removeFromElement( this, element );
717 else
718 removeOverrides( element, getOverrides( this )[ element.getName() ] );
719 }
720 }
721 }
722
723 // Re-create the style tree after/before the boundary element,
724 // the replication start from bookmark start node to define the
725 // new range.
726 if ( boundaryElement )
727 {
728 var clonedElement = startNode;
729 for ( i = 0 ;; i++ )
730 {
731 var newElement = startPath.elements[ i ];
732 if ( newElement.equals( boundaryElement ) )
733 break;
734 // Avoid copying any matched element.
735 else if ( newElement.match )
736 continue;
737 else
738 newElement = newElement.clone();
739 newElement.append( clonedElement );
740 clonedElement = newElement;
741 }
742 clonedElement[ boundaryElement.match == 'start' ?
743 'insertBefore' : 'insertAfter' ]( boundaryElement );
744 }
745 }
746 else
747 {
748 /*
749 * Now our range isn't collapsed. Lets walk from the start node to the end
750 * node via DFS and remove the styles one-by-one.
751 */
752 var endNode = bookmark.endNode,
753 me = this;
754
755 /*
756 * Find out the style ancestor that needs to be broken down at startNode
757 * and endNode.
758 */
759 function breakNodes()
760 {
761 var startPath = new CKEDITOR.dom.elementPath( startNode.getParent() ),
762 endPath = new CKEDITOR.dom.elementPath( endNode.getParent() ),
763 breakStart = null,
764 breakEnd = null;
765 for ( var i = 0 ; i < startPath.elements.length ; i++ )
766 {
767 var element = startPath.elements[ i ];
768
769 if ( element == startPath.block || element == startPath.blockLimit )
770 break;
771
772 if ( me.checkElementRemovable( element ) )
773 breakStart = element;
774 }
775 for ( i = 0 ; i < endPath.elements.length ; i++ )
776 {
777 element = endPath.elements[ i ];
778
779 if ( element == endPath.block || element == endPath.blockLimit )
780 break;
781
782 if ( me.checkElementRemovable( element ) )
783 breakEnd = element;
784 }
785
786 if ( breakEnd )
787 endNode.breakParent( breakEnd );
788 if ( breakStart )
789 startNode.breakParent( breakStart );
790 }
791 breakNodes();
792
793 // Now, do the DFS walk.
794 var currentNode = startNode;
795 while ( !currentNode.equals( endNode ) )
796 {
797 /*
798 * Need to get the next node first because removeFromElement() can remove
799 * the current node from DOM tree.
800 */
801 var nextNode = currentNode.getNextSourceNode();
802 if ( currentNode.type == CKEDITOR.NODE_ELEMENT && this.checkElementRemovable( currentNode ) )
803 {
804 // Remove style from element or overriding element.
805 if ( currentNode.getName() == this.element )
806 removeFromElement( this, currentNode );
807 else
808 removeOverrides( currentNode, getOverrides( this )[ currentNode.getName() ] );
809
810 /*
811 * removeFromElement() may have merged the next node with something before
812 * the startNode via mergeSiblings(). In that case, the nextNode would
813 * contain startNode and we'll have to call breakNodes() again and also
814 * reassign the nextNode to something after startNode.
815 */
816 if ( nextNode.type == CKEDITOR.NODE_ELEMENT && nextNode.contains( startNode ) )
817 {
818 breakNodes();
819 nextNode = startNode.getNext();
820 }
821 }
822 currentNode = nextNode;
823 }
824 }
825
826 range.moveToBookmark( bookmark );
827 }
828
829 function applyObjectStyle( range )
830 {
831 var root = range.getCommonAncestor( true, true ),
832 element = root.getAscendant( this.element, true );
833 element && !element.isReadOnly() && setupElement( element, this );
834 }
835
836 function removeObjectStyle( range )
837 {
838 var root = range.getCommonAncestor( true, true ),
839 element = root.getAscendant( this.element, true );
840
841 if ( !element )
842 return;
843
844 var style = this,
845 def = style._.definition,
846 attributes = def.attributes;
847
848 // Remove all defined attributes.
849 if ( attributes )
850 {
851 for ( var att in attributes )
852 {
853 element.removeAttribute( att, attributes[ att ] );
854 }
855 }
856
857 // Assign all defined styles.
858 if ( def.styles )
859 {
860 for ( var i in def.styles )
861 {
862 if ( !def.styles.hasOwnProperty( i ) )
863 continue;
864
865 element.removeStyle( i );
866 }
867 }
868 }
869
870 function applyBlockStyle( range )
871 {
872 // Serializible bookmarks is needed here since
873 // elements may be merged.
874 var bookmark = range.createBookmark( true );
875
876 var iterator = range.createIterator();
877 iterator.enforceRealBlocks = true;
878
879 // make recognize <br /> tag as a separator in ENTER_BR mode (#5121)
880 if ( this._.enterMode )
881 iterator.enlargeBr = ( this._.enterMode != CKEDITOR.ENTER_BR );
882
883 var block;
884 var doc = range.document;
885 var previousPreBlock;
886
887 while ( ( block = iterator.getNextParagraph() ) ) // Only one =
888 {
889 if ( !block.isReadOnly() )
890 {
891 var newBlock = getElement( this, doc, block );
892 replaceBlock( block, newBlock );
893 }
894 }
895
896 range.moveToBookmark( bookmark );
897 }
898
899 function removeBlockStyle( range )
900 {
901 // Serializible bookmarks is needed here since
902 // elements may be merged.
903 var bookmark = range.createBookmark( 1 );
904
905 var iterator = range.createIterator();
906 iterator.enforceRealBlocks = true;
907 iterator.enlargeBr = this._.enterMode != CKEDITOR.ENTER_BR;
908
909 var block;
910 while ( ( block = iterator.getNextParagraph() ) )
911 {
912 if ( this.checkElementRemovable( block ) )
913 {
914 // <pre> get special treatment.
915 if ( block.is( 'pre' ) )
916 {
917 var newBlock = this._.enterMode == CKEDITOR.ENTER_BR ?
918 null : range.document.createElement(
919 this._.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
920
921 newBlock && block.copyAttributes( newBlock );
922 replaceBlock( block, newBlock );
923 }
924 else
925 removeFromElement( this, block, 1 );
926 }
927 }
928
929 range.moveToBookmark( bookmark );
930 }
931
932 // Replace the original block with new one, with special treatment
933 // for <pre> blocks to make sure content format is well preserved, and merging/splitting adjacent
934 // when necessary.(#3188)
935 function replaceBlock( block, newBlock )
936 {
937 // Block is to be removed, create a temp element to
938 // save contents.
939 var removeBlock = !newBlock;
940 if ( removeBlock )
941 {
942 newBlock = block.getDocument().createElement( 'div' );
943 block.copyAttributes( newBlock );
944 }
945
946 var newBlockIsPre = newBlock && newBlock.is( 'pre' );
947 var blockIsPre = block.is( 'pre' );
948
949 var isToPre = newBlockIsPre && !blockIsPre;
950 var isFromPre = !newBlockIsPre && blockIsPre;
951
952 if ( isToPre )
953 newBlock = toPre( block, newBlock );
954 else if ( isFromPre )
955 // Split big <pre> into pieces before start to convert.
956 newBlock = fromPres( removeBlock ?
957 [ block.getHtml() ] : splitIntoPres( block ), newBlock );
958 else
959 block.moveChildren( newBlock );
960
961 newBlock.replace( block );
962
963 if ( newBlockIsPre )
964 {
965 // Merge previous <pre> blocks.
966 mergePre( newBlock );
967 }
968 else if ( removeBlock )
969 removeNoAttribsElement( newBlock );
970 }
971
972 /**
973 * Merge a <pre> block with a previous sibling if available.
974 */
975 function mergePre( preBlock )
976 {
977 var previousBlock;
978 if ( !( ( previousBlock = preBlock.getPrevious( nonWhitespaces ) )
979 && previousBlock.is
980 && previousBlock.is( 'pre') ) )
981 return;
982
983 // Merge the previous <pre> block contents into the current <pre>
984 // block.
985 //
986 // Another thing to be careful here is that currentBlock might contain
987 // a '\n' at the beginning, and previousBlock might contain a '\n'
988 // towards the end. These new lines are not normally displayed but they
989 // become visible after merging.
990 var mergedHtml = replace( previousBlock.getHtml(), /\n$/, '' ) + '\n\n' +
991 replace( preBlock.getHtml(), /^\n/, '' ) ;
992
993 // Krugle: IE normalizes innerHTML from <pre>, breaking whitespaces.
994 if ( CKEDITOR.env.ie )
995 preBlock.$.outerHTML = '<pre>' + mergedHtml + '</pre>';
996 else
997 preBlock.setHtml( mergedHtml );
998
999 previousBlock.remove();
1000 }
1001
1002 /**
1003 * Split into multiple <pre> blocks separated by double line-break.
1004 * @param preBlock
1005 */
1006 function splitIntoPres( preBlock )
1007 {
1008 // Exclude the ones at header OR at tail,
1009 // and ignore bookmark content between them.
1010 var duoBrRegex = /(\S\s*)\n(?:\s|(<span[^>]+data-cke-bookmark.*?\/span>))*\n(?!$)/gi,
1011 blockName = preBlock.getName(),
1012 splitedHtml = replace( preBlock.getOuterHtml(),
1013 duoBrRegex,
1014 function( match, charBefore, bookmark )
1015 {
1016 return charBefore + '</pre>' + bookmark + '<pre>';
1017 } );
1018
1019 var pres = [];
1020 splitedHtml.replace( /<pre\b.*?>([\s\S]*?)<\/pre>/gi, function( match, preContent ){
1021 pres.push( preContent );
1022 } );
1023 return pres;
1024 }
1025
1026 // Wrapper function of String::replace without considering of head/tail bookmarks nodes.
1027 function replace( str, regexp, replacement )
1028 {
1029 var headBookmark = '',
1030 tailBookmark = '';
1031
1032 str = str.replace( /(^<span[^>]+data-cke-bookmark.*?\/span>)|(<span[^>]+data-cke-bookmark.*?\/span>$)/gi,
1033 function( str, m1, m2 ){
1034 m1 && ( headBookmark = m1 );
1035 m2 && ( tailBookmark = m2 );
1036 return '';
1037 } );
1038 return headBookmark + str.replace( regexp, replacement ) + tailBookmark;
1039 }
1040
1041 /**
1042 * Converting a list of <pre> into blocks with format well preserved.
1043 */
1044 function fromPres( preHtmls, newBlock )
1045 {
1046 var docFrag;
1047 if ( preHtmls.length > 1 )
1048 docFrag = new CKEDITOR.dom.documentFragment( newBlock.getDocument() );
1049
1050 for ( var i = 0 ; i < preHtmls.length ; i++ )
1051 {
1052 var blockHtml = preHtmls[ i ];
1053
1054 // 1. Trim the first and last line-breaks immediately after and before <pre>,
1055 // they're not visible.
1056 blockHtml = blockHtml.replace( /(\r\n|\r)/g, '\n' ) ;
1057 blockHtml = replace( blockHtml, /^[ \t]*\n/, '' ) ;
1058 blockHtml = replace( blockHtml, /\n$/, '' ) ;
1059 // 2. Convert spaces or tabs at the beginning or at the end to &nbsp;
1060 blockHtml = replace( blockHtml, /^[ \t]+|[ \t]+$/g, function( match, offset, s )
1061 {
1062 if ( match.length == 1 ) // one space, preserve it
1063 return '&nbsp;' ;
1064 else if ( !offset ) // beginning of block
1065 return CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 ) + ' ';
1066 else // end of block
1067 return ' ' + CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 );
1068 } ) ;
1069
1070 // 3. Convert \n to <BR>.
1071 // 4. Convert contiguous (i.e. non-singular) spaces or tabs to &nbsp;
1072 blockHtml = blockHtml.replace( /\n/g, '<br>' ) ;
1073 blockHtml = blockHtml.replace( /[ \t]{2,}/g,
1074 function ( match )
1075 {
1076 return CKEDITOR.tools.repeat( '&nbsp;', match.length - 1 ) + ' ' ;
1077 } ) ;
1078
1079 if ( docFrag )
1080 {
1081 var newBlockClone = newBlock.clone();
1082 newBlockClone.setHtml( blockHtml );
1083 docFrag.append( newBlockClone );
1084 }
1085 else
1086 newBlock.setHtml( blockHtml );
1087 }
1088
1089 return docFrag || newBlock;
1090 }
1091
1092 /**
1093 * Converting from a non-PRE block to a PRE block in formatting operations.
1094 */
1095 function toPre( block, newBlock )
1096 {
1097 var bogus = block.getBogus();
1098 bogus && bogus.remove();
1099
1100 // First trim the block content.
1101 var preHtml = block.getHtml();
1102
1103 // 1. Trim head/tail spaces, they're not visible.
1104 preHtml = replace( preHtml, /(?:^[ \t\n\r]+)|(?:[ \t\n\r]+$)/g, '' );
1105 // 2. Delete ANSI whitespaces immediately before and after <BR> because
1106 // they are not visible.
1107 preHtml = preHtml.replace( /[ \t\r\n]*(<br[^>]*>)[ \t\r\n]*/gi, '$1' );
1108 // 3. Compress other ANSI whitespaces since they're only visible as one
1109 // single space previously.
1110 // 4. Convert &nbsp; to spaces since &nbsp; is no longer needed in <PRE>.
1111 preHtml = preHtml.replace( /([ \t\n\r]+|&nbsp;)/g, ' ' );
1112 // 5. Convert any <BR /> to \n. This must not be done earlier because
1113 // the \n would then get compressed.
1114 preHtml = preHtml.replace( /<br\b[^>]*>/gi, '\n' );
1115
1116 // Krugle: IE normalizes innerHTML to <pre>, breaking whitespaces.
1117 if ( CKEDITOR.env.ie )
1118 {
1119 var temp = block.getDocument().createElement( 'div' );
1120 temp.append( newBlock );
1121 newBlock.$.outerHTML = '<pre>' + preHtml + '</pre>';
1122 newBlock.copyAttributes( temp.getFirst() );
1123 newBlock = temp.getFirst().remove();
1124 }
1125 else
1126 newBlock.setHtml( preHtml );
1127
1128 return newBlock;
1129 }
1130
1131 // Removes a style from an element itself, don't care about its subtree.
1132 function removeFromElement( style, element )
1133 {
1134 var def = style._.definition,
1135 attributes = CKEDITOR.tools.extend( {}, def.attributes, getOverrides( style )[ element.getName() ] ),
1136 styles = def.styles,
1137 // If the style is only about the element itself, we have to remove the element.
1138 removeEmpty = CKEDITOR.tools.isEmpty( attributes ) && CKEDITOR.tools.isEmpty( styles );
1139
1140 // Remove definition attributes/style from the elemnt.
1141 for ( var attName in attributes )
1142 {
1143 // The 'class' element value must match (#1318).
1144 if ( ( attName == 'class' || style._.definition.fullMatch )
1145 && element.getAttribute( attName ) != normalizeProperty( attName, attributes[ attName ] ) )
1146 continue;
1147 removeEmpty = element.hasAttribute( attName );
1148 element.removeAttribute( attName );
1149 }
1150
1151 for ( var styleName in styles )
1152 {
1153 // Full match style insist on having fully equivalence. (#5018)
1154 if ( style._.definition.fullMatch
1155 && element.getStyle( styleName ) != normalizeProperty( styleName, styles[ styleName ], true ) )
1156 continue;
1157
1158 removeEmpty = removeEmpty || !!element.getStyle( styleName );
1159 element.removeStyle( styleName );
1160 }
1161
1162 if ( removeEmpty )
1163 {
1164 !CKEDITOR.dtd.$block[ element.getName() ] || style._.enterMode == CKEDITOR.ENTER_BR && !element.hasAttributes() ?
1165 removeNoAttribsElement( element ) :
1166 element.renameNode( style._.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
1167 }
1168 }
1169
1170 // Removes a style from inside an element.
1171 function removeFromInsideElement( style, element )
1172 {
1173 var def = style._.definition,
1174 attribs = def.attributes,
1175 styles = def.styles,
1176 overrides = getOverrides( style ),
1177 innerElements = element.getElementsByTag( style.element );
1178
1179 for ( var i = innerElements.count(); --i >= 0 ; )
1180 removeFromElement( style, innerElements.getItem( i ) );
1181
1182 // Now remove any other element with different name that is
1183 // defined to be overriden.
1184 for ( var overrideElement in overrides )
1185 {
1186 if ( overrideElement != style.element )
1187 {
1188 innerElements = element.getElementsByTag( overrideElement ) ;
1189 for ( i = innerElements.count() - 1 ; i >= 0 ; i-- )
1190 {
1191 var innerElement = innerElements.getItem( i );
1192 removeOverrides( innerElement, overrides[ overrideElement ] ) ;
1193 }
1194 }
1195 }
1196 }
1197
1198 /**
1199 * Remove overriding styles/attributes from the specific element.
1200 * Note: Remove the element if no attributes remain.
1201 * @param {Object} element
1202 * @param {Object} overrides
1203 */
1204 function removeOverrides( element, overrides )
1205 {
1206 var attributes = overrides && overrides.attributes ;
1207
1208 if ( attributes )
1209 {
1210 for ( var i = 0 ; i < attributes.length ; i++ )
1211 {
1212 var attName = attributes[i][0], actualAttrValue ;
1213
1214 if ( ( actualAttrValue = element.getAttribute( attName ) ) )
1215 {
1216 var attValue = attributes[i][1] ;
1217
1218 // Remove the attribute if:
1219 // - The override definition value is null ;
1220 // - The override definition valie is a string that
1221 // matches the attribute value exactly.
1222 // - The override definition value is a regex that
1223 // has matches in the attribute value.
1224 if ( attValue === null ||
1225 ( attValue.test && attValue.test( actualAttrValue ) ) ||
1226 ( typeof attValue == 'string' && actualAttrValue == attValue ) )
1227 element.removeAttribute( attName ) ;
1228 }
1229 }
1230 }
1231
1232 removeNoAttribsElement( element );
1233 }
1234
1235 // If the element has no more attributes, remove it.
1236 function removeNoAttribsElement( element )
1237 {
1238 // If no more attributes remained in the element, remove it,
1239 // leaving its children.
1240 if ( !element.hasAttributes() )
1241 {
1242 if ( CKEDITOR.dtd.$block[ element.getName() ] )
1243 {
1244 var previous = element.getPrevious( nonWhitespaces ),
1245 next = element.getNext( nonWhitespaces );
1246
1247 if ( previous && ( previous.type == CKEDITOR.NODE_TEXT || !previous.isBlockBoundary( { br : 1 } ) ) )
1248 element.append( 'br', 1 );
1249 if ( next && ( next.type == CKEDITOR.NODE_TEXT || !next.isBlockBoundary( { br : 1 } ) ) )
1250 element.append( 'br' );
1251
1252 element.remove( true );
1253 }
1254 else
1255 {
1256 // Removing elements may open points where merging is possible,
1257 // so let's cache the first and last nodes for later checking.
1258 var firstChild = element.getFirst();
1259 var lastChild = element.getLast();
1260
1261 element.remove( true );
1262
1263 if ( firstChild )
1264 {
1265 // Check the cached nodes for merging.
1266 firstChild.type == CKEDITOR.NODE_ELEMENT && firstChild.mergeSiblings();
1267
1268 if ( lastChild && !firstChild.equals( lastChild )
1269 && lastChild.type == CKEDITOR.NODE_ELEMENT )
1270 lastChild.mergeSiblings();
1271 }
1272
1273 }
1274 }
1275 }
1276
1277 function getElement( style, targetDocument, element )
1278 {
1279 var el,
1280 def = style._.definition,
1281 elementName = style.element;
1282
1283 // The "*" element name will always be a span for this function.
1284 if ( elementName == '*' )
1285 elementName = 'span';
1286
1287 // Create the element.
1288 el = new CKEDITOR.dom.element( elementName, targetDocument );
1289
1290 // #6226: attributes should be copied before the new ones are applied
1291 if ( element )
1292 element.copyAttributes( el );
1293
1294 el = setupElement( el, style );
1295
1296 // Avoid ID duplication.
1297 if ( targetDocument.getCustomData( 'doc_processing_style' ) && el.hasAttribute( 'id' ) )
1298 el.removeAttribute( 'id' );
1299 else
1300 targetDocument.setCustomData( 'doc_processing_style', 1 );
1301
1302 return el;
1303 }
1304
1305 function setupElement( el, style )
1306 {
1307 var def = style._.definition,
1308 attributes = def.attributes,
1309 styles = CKEDITOR.style.getStyleText( def );
1310
1311 // Assign all defined attributes.
1312 if ( attributes )
1313 {
1314 for ( var att in attributes )
1315 {
1316 el.setAttribute( att, attributes[ att ] );
1317 }
1318 }
1319
1320 // Assign all defined styles.
1321 if( styles )
1322 el.setAttribute( 'style', styles );
1323
1324 return el;
1325 }
1326
1327 function replaceVariables( list, variablesValues )
1328 {
1329 for ( var item in list )
1330 {
1331 list[ item ] = list[ item ].replace( varRegex, function( match, varName )
1332 {
1333 return variablesValues[ varName ];
1334 });
1335 }
1336 }
1337
1338 // Returns an object that can be used for style matching comparison.
1339 // Attributes names and values are all lowercased, and the styles get
1340 // merged with the style attribute.
1341 function getAttributesForComparison( styleDefinition )
1342 {
1343 // If we have already computed it, just return it.
1344 var attribs = styleDefinition._AC;
1345 if ( attribs )
1346 return attribs;
1347
1348 attribs = {};
1349
1350 var length = 0;
1351
1352 // Loop through all defined attributes.
1353 var styleAttribs = styleDefinition.attributes;
1354 if ( styleAttribs )
1355 {
1356 for ( var styleAtt in styleAttribs )
1357 {
1358 length++;
1359 attribs[ styleAtt ] = styleAttribs[ styleAtt ];
1360 }
1361 }
1362
1363 // Includes the style definitions.
1364 var styleText = CKEDITOR.style.getStyleText( styleDefinition );
1365 if ( styleText )
1366 {
1367 if ( !attribs[ 'style' ] )
1368 length++;
1369 attribs[ 'style' ] = styleText;
1370 }
1371
1372 // Appends the "length" information to the object.
1373 attribs._length = length;
1374
1375 // Return it, saving it to the next request.
1376 return ( styleDefinition._AC = attribs );
1377 }
1378
1379 /**
1380 * Get the the collection used to compare the elements and attributes,
1381 * defined in this style overrides, with other element. All information in
1382 * it is lowercased.
1383 * @param {CKEDITOR.style} style
1384 */
1385 function getOverrides( style )
1386 {
1387 if ( style._.overrides )
1388 return style._.overrides;
1389
1390 var overrides = ( style._.overrides = {} ),
1391 definition = style._.definition.overrides;
1392
1393 if ( definition )
1394 {
1395 // The override description can be a string, object or array.
1396 // Internally, well handle arrays only, so transform it if needed.
1397 if ( !CKEDITOR.tools.isArray( definition ) )
1398 definition = [ definition ];
1399
1400 // Loop through all override definitions.
1401 for ( var i = 0 ; i < definition.length ; i++ )
1402 {
1403 var override = definition[i];
1404 var elementName;
1405 var overrideEl;
1406 var attrs;
1407
1408 // If can be a string with the element name.
1409 if ( typeof override == 'string' )
1410 elementName = override.toLowerCase();
1411 // Or an object.
1412 else
1413 {
1414 elementName = override.element ? override.element.toLowerCase() : style.element;
1415 attrs = override.attributes;
1416 }
1417
1418 // We can have more than one override definition for the same
1419 // element name, so we attempt to simply append information to
1420 // it if it already exists.
1421 overrideEl = overrides[ elementName ] || ( overrides[ elementName ] = {} );
1422
1423 if ( attrs )
1424 {
1425 // The returning attributes list is an array, because we
1426 // could have different override definitions for the same
1427 // attribute name.
1428 var overrideAttrs = ( overrideEl.attributes = overrideEl.attributes || new Array() );
1429 for ( var attName in attrs )
1430 {
1431 // Each item in the attributes array is also an array,
1432 // where [0] is the attribute name and [1] is the
1433 // override value.
1434 overrideAttrs.push( [ attName.toLowerCase(), attrs[ attName ] ] );
1435 }
1436 }
1437 }
1438 }
1439
1440 return overrides;
1441 }
1442
1443 // Make the comparison of attribute value easier by standardizing it.
1444 function normalizeProperty( name, value, isStyle )
1445 {
1446 var temp = new CKEDITOR.dom.element( 'span' );
1447 temp [ isStyle ? 'setStyle' : 'setAttribute' ]( name, value );
1448 return temp[ isStyle ? 'getStyle' : 'getAttribute' ]( name );
1449 }
1450
1451 // Make the comparison of style text easier by standardizing it.
1452 function normalizeCssText( unparsedCssText, nativeNormalize )
1453 {
1454 var styleText;
1455 if ( nativeNormalize !== false )
1456 {
1457 // Injects the style in a temporary span object, so the browser parses it,
1458 // retrieving its final format.
1459 var temp = new CKEDITOR.dom.element( 'span' );
1460 temp.setAttribute( 'style', unparsedCssText );
1461 styleText = temp.getAttribute( 'style' ) || '';
1462 }
1463 else
1464 styleText = unparsedCssText;
1465
1466 // Normalize font-family property, ignore quotes and being case insensitive. (#7322)
1467 // http://www.w3.org/TR/css3-fonts/#font-family-the-font-family-property
1468 styleText = styleText.replace( /(font-family:)(.*?)(?=;|$)/, function ( match, prop, val )
1469 {
1470 var names = val.split( ',' );
1471 for ( var i = 0; i < names.length; i++ )
1472 names[ i ] = CKEDITOR.tools.trim( names[ i ].replace( /["']/g, '' ) );
1473 return prop + names.join( ',' );
1474 });
1475
1476 // Shrinking white-spaces around colon and semi-colon (#4147).
1477 // Compensate tail semi-colon.
1478 return styleText.replace( /\s*([;:])\s*/, '$1' )
1479 .replace( /([^\s;])$/, '$1;')
1480 // Trimming spaces after comma(#4107),
1481 // remove quotations(#6403),
1482 // mostly for differences on "font-family".
1483 .replace( /,\s+/g, ',' )
1484 .replace( /\"/g,'' )
1485 .toLowerCase();
1486 }
1487
1488 // Turn inline style text properties into one hash.
1489 function parseStyleText( styleText )
1490 {
1491 var retval = {};
1492 styleText
1493 .replace( /&quot;/g, '"' )
1494 .replace( /\s*([^ :;]+)\s*:\s*([^;]+)\s*(?=;|$)/g, function( match, name, value )
1495 {
1496 retval[ name ] = value;
1497 } );
1498 return retval;
1499 }
1500
1501 /**
1502 * Compare two bunch of styles, with the speciality that value 'inherit'
1503 * is treated as a wildcard which will match any value.
1504 * @param {Object|String} source
1505 * @param {Object|String} target
1506 */
1507 function compareCssText( source, target )
1508 {
1509 typeof source == 'string' && ( source = parseStyleText( source ) );
1510 typeof target == 'string' && ( target = parseStyleText( target ) );
1511 for( var name in source )
1512 {
1513 if ( !( name in target &&
1514 ( target[ name ] == source[ name ]
1515 || source[ name ] == 'inherit'
1516 || target[ name ] == 'inherit' ) ) )
1517 {
1518 return false;
1519 }
1520 }
1521 return true;
1522 }
1523
1524 function applyStyle( document, remove )
1525 {
1526 var selection = document.getSelection(),
1527 // Bookmark the range so we can re-select it after processing.
1528 bookmarks = selection.createBookmarks( 1 ),
1529 ranges = selection.getRanges(),
1530 func = remove ? this.removeFromRange : this.applyToRange,
1531 range;
1532
1533 var iterator = ranges.createIterator();
1534 while ( ( range = iterator.getNextRange() ) )
1535 func.call( this, range );
1536
1537 if ( bookmarks.length == 1 && bookmarks[ 0 ].collapsed )
1538 {
1539 selection.selectRanges( ranges );
1540 document.getById( bookmarks[ 0 ].startNode ).remove();
1541 }
1542 else
1543 selection.selectBookmarks( bookmarks );
1544
1545 document.removeCustomData( 'doc_processing_style' );
1546 }
1547})();
1548
1549CKEDITOR.styleCommand = function( style )
1550{
1551 this.style = style;
1552};
1553
1554CKEDITOR.styleCommand.prototype.exec = function( editor )
1555{
1556 editor.focus();
1557
1558 var doc = editor.document;
1559
1560 if ( doc )
1561 {
1562 if ( this.state == CKEDITOR.TRISTATE_OFF )
1563 this.style.apply( doc );
1564 else if ( this.state == CKEDITOR.TRISTATE_ON )
1565 this.style.remove( doc );
1566 }
1567
1568 return !!doc;
1569};
1570
1571/**
1572 * Manages styles registration and loading. See also {@link CKEDITOR.config.stylesSet}.
1573 * @namespace
1574 * @augments CKEDITOR.resourceManager
1575 * @constructor
1576 * @since 3.2
1577 * @example
1578 * // The set of styles for the <b>Styles</b> combo
1579 * CKEDITOR.stylesSet.add( 'default',
1580 * [
1581 * // Block Styles
1582 * { name : 'Blue Title' , element : 'h3', styles : { 'color' : 'Blue' } },
1583 * { name : 'Red Title' , element : 'h3', styles : { 'color' : 'Red' } },
1584 *
1585 * // Inline Styles
1586 * { name : 'Marker: Yellow' , element : 'span', styles : { 'background-color' : 'Yellow' } },
1587 * { name : 'Marker: Green' , element : 'span', styles : { 'background-color' : 'Lime' } },
1588 *
1589 * // Object Styles
1590 * {
1591 * name : 'Image on Left',
1592 * element : 'img',
1593 * attributes :
1594 * {
1595 * 'style' : 'padding: 5px; margin-right: 5px',
1596 * 'border' : '2',
1597 * 'align' : 'left'
1598 * }
1599 * }
1600 * ]);
1601 */
1602CKEDITOR.stylesSet = new CKEDITOR.resourceManager( '', 'stylesSet' );
1603
1604// Backward compatibility (#5025).
1605CKEDITOR.addStylesSet = CKEDITOR.tools.bind( CKEDITOR.stylesSet.add, CKEDITOR.stylesSet );
1606CKEDITOR.loadStylesSet = function( name, url, callback )
1607 {
1608 CKEDITOR.stylesSet.addExternal( name, url, '' );
1609 CKEDITOR.stylesSet.load( name, callback );
1610 };
1611
1612
1613/**
1614 * Gets the current styleSet for this instance
1615 * @param {Function} callback The function to be called with the styles data.
1616 * @example
1617 * editor.getStylesSet( function( stylesDefinitions ) {} );
1618 */
1619CKEDITOR.editor.prototype.getStylesSet = function( callback )
1620{
1621 if ( !this._.stylesDefinitions )
1622 {
1623 var editor = this,
1624 // Respect the backwards compatible definition entry
1625 configStyleSet = editor.config.stylesCombo_stylesSet || editor.config.stylesSet || 'default';
1626
1627 // #5352 Allow to define the styles directly in the config object
1628 if ( configStyleSet instanceof Array )
1629 {
1630 editor._.stylesDefinitions = configStyleSet;
1631 callback( configStyleSet );
1632 return;
1633 }
1634
1635 var partsStylesSet = configStyleSet.split( ':' ),
1636 styleSetName = partsStylesSet[ 0 ],
1637 externalPath = partsStylesSet[ 1 ],
1638 pluginPath = CKEDITOR.plugins.registered.styles.path;
1639
1640 CKEDITOR.stylesSet.addExternal( styleSetName,
1641 externalPath ?
1642 partsStylesSet.slice( 1 ).join( ':' ) :
1643 pluginPath + 'styles/' + styleSetName + '.js', '' );
1644
1645 CKEDITOR.stylesSet.load( styleSetName, function( stylesSet )
1646 {
1647 editor._.stylesDefinitions = stylesSet[ styleSetName ];
1648 callback( editor._.stylesDefinitions );
1649 } ) ;
1650 }
1651 else
1652 callback( this._.stylesDefinitions );
1653};
1654
1655/**
1656 * Indicates that fully selected read-only elements will be included when
1657 * applying the style (for inline styles only).
1658 * @name CKEDITOR.style.includeReadonly
1659 * @type Boolean
1660 * @default false
1661 * @since 3.5
1662 */
1663
1664 /**
1665 * Disables inline styling on read-only elements.
1666 * @name CKEDITOR.config.disableReadonlyStyling
1667 * @type Boolean
1668 * @default false
1669 * @since 3.5
1670 */
1671
1672/**
1673 * The "styles definition set" to use in the editor. They will be used in the
1674 * styles combo and the Style selector of the div container. <br>
1675 * The styles may be defined in the page containing the editor, or can be
1676 * loaded on demand from an external file. In the second case, if this setting
1677 * contains only a name, the styles definition file will be loaded from the
1678 * "styles" folder inside the styles plugin folder.
1679 * Otherwise, this setting has the "name:url" syntax, making it
1680 * possible to set the URL from which loading the styles file.<br>
1681 * Previously this setting was available as config.stylesCombo_stylesSet<br>
1682 * @name CKEDITOR.config.stylesSet
1683 * @type String|Array
1684 * @default 'default'
1685 * @since 3.3
1686 * @example
1687 * // Load from the styles' styles folder (mystyles.js file).
1688 * config.stylesSet = 'mystyles';
1689 * @example
1690 * // Load from a relative URL.
1691 * config.stylesSet = 'mystyles:/editorstyles/styles.js';
1692 * @example
1693 * // Load from a full URL.
1694 * config.stylesSet = 'mystyles:http://www.example.com/editorstyles/styles.js';
1695 * @example
1696 * // Load from a list of definitions.
1697 * config.stylesSet = [
1698 * { name : 'Strong Emphasis', element : 'strong' },
1699 * { name : 'Emphasis', element : 'em' }, ... ];
1700 */
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