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