1 /*
  2 Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
  3 For licensing, see LICENSE.html or http://ckeditor.com/license
  4 */
  5
  6 (function()
  7 {
  8 	// #### checkSelectionChange : START
  9
 10 	// The selection change check basically saves the element parent tree of
 11 	// the current node and check it on successive requests. If there is any
 12 	// change on the tree, then the selectionChange event gets fired.
 13 	function checkSelectionChange()
 14 	{
 15 		try
 16 		{
 17 			// In IE, the "selectionchange" event may still get thrown when
 18 			// releasing the WYSIWYG mode, so we need to check it first.
 19 			var sel = this.getSelection();
 20 			if ( !sel )
 21 				return;
 22
 23 			var firstElement = sel.getStartElement();
 24 			var currentPath = new CKEDITOR.dom.elementPath( firstElement );
 25
 26 			if ( !currentPath.compare( this._.selectionPreviousPath ) )
 27 			{
 28 				this._.selectionPreviousPath = currentPath;
 29 				this.fire( 'selectionChange', { selection : sel, path : currentPath, element : firstElement } );
 30 			}
 31 		}
 32 		catch (e)
 33 		{}
 34 	}
 35
 36 	var checkSelectionChangeTimer,
 37 		checkSelectionChangeTimeoutPending;
 38
 39 	function checkSelectionChangeTimeout()
 40 	{
 41 		// Firing the "OnSelectionChange" event on every key press started to
 42 		// be too slow. This function guarantees that there will be at least
 43 		// 200ms delay between selection checks.
 44
 45 		checkSelectionChangeTimeoutPending = true;
 46
 47 		if ( checkSelectionChangeTimer )
 48 			return;
 49
 50 		checkSelectionChangeTimeoutExec.call( this );
 51
 52 		checkSelectionChangeTimer = CKEDITOR.tools.setTimeout( checkSelectionChangeTimeoutExec, 200, this );
 53 	}
 54
 55 	function checkSelectionChangeTimeoutExec()
 56 	{
 57 		checkSelectionChangeTimer = null;
 58
 59 		if ( checkSelectionChangeTimeoutPending )
 60 		{
 61 			// Call this with a timeout so the browser properly moves the
 62 			// selection after the mouseup. It happened that the selection was
 63 			// being moved after the mouseup when clicking inside selected text
 64 			// with Firefox.
 65 			CKEDITOR.tools.setTimeout( checkSelectionChange, 0, this );
 66
 67 			checkSelectionChangeTimeoutPending = false;
 68 		}
 69 	}
 70
 71 	// #### checkSelectionChange : END
 72
 73 	var selectAllCmd =
 74 	{
 75 		exec : function( editor )
 76 		{
 77 			switch ( editor.mode )
 78 			{
 79 				case 'wysiwyg' :
 80 					editor.document.$.execCommand( 'SelectAll', false, null );
 81 					break;
 82 				case 'source' :
 83 					// TODO
 84 			}
 85 		},
 86 		canUndo : false
 87 	};
 88
 89 	CKEDITOR.plugins.add( 'selection',
 90 	{
 91 		init : function( editor )
 92 		{
 93 			editor.on( 'contentDom', function()
 94 				{
 95 					var doc = editor.document;
 96
 97 					if ( CKEDITOR.env.ie )
 98 					{
 99 						// Other browsers don't loose the selection if the
100 						// editor document loose the focus. In IE, we don't
101 						// have support for it, so we reproduce it here, other
102 						// than firing the selection change event.
103
104 						var savedRange,
105 							saveEnabled;
106
107 						// "onfocusin" is fired before "onfocus". It makes it
108 						// possible to restore the selection before click
109 						// events get executed.
110 						doc.on( 'focusin', function()
111 							{
112 								// If we have saved a range, restore it at this
113 								// point.
114 								if ( savedRange )
115 								{
116 									// Well not break because of this.
117 									try
118 									{
119 										savedRange.select();
120 									}
121 									catch (e)
122 									{}
123
124 									savedRange = null;
125 								}
126 							});
127
128 						editor.window.on( 'focus', function()
129 							{
130 								// Enable selections to be saved.
131 								saveEnabled = true;
132
133 								saveSelection();
134 							});
135
136 						editor.window.on( 'blur', function()
137 							{
138 								// Disable selections from being saved.
139 								saveEnabled = false;
140
141 								// IE may leave the selection still inside the
142 								// document. Let's force it to be removed.
143 								// TODO: The following has effect for
144 								// collapsed selections.
145 								editor.document.$.execCommand( 'Unselect' );
146 							});
147
148 						// IE fires the "selectionchange" event when clicking
149 						// inside a selection. We don't want to capture that.
150 						doc.on( 'mousedown', disableSave );
151 						doc.on( 'mouseup',
152 							function()
153 							{
154 								saveEnabled = true;
155 								setTimeout( function()
156 									{
157 										saveSelection( true );
158 									},
159 									0 );
160 							});
161
162 						doc.on( 'keydown', disableSave );
163 						doc.on( 'keyup',
164 							function()
165 							{
166 								saveEnabled = true;
167 								saveSelection();
168 							});
169
170
171 						// IE is the only to provide the "selectionchange"
172 						// event.
173 						doc.on( 'selectionchange', saveSelection );
174
175 						function disableSave()
176 						{
177 							saveEnabled = false;
178 						}
179
180 						function saveSelection( testIt )
181 						{
182 							if ( saveEnabled )
183 							{
184 								var doc = editor.document,
185 									sel = doc && doc.$.selection;
186
187 								// There is a very specific case, when clicking
188 								// inside a text selection. In that case, the
189 								// selection collapses at the clicking point,
190 								// but the selection object remains in an
191 								// unknown state, making createRange return a
192 								// range at the very start of the document. In
193 								// such situation we have to test the range, to
194 								// be sure it's valid.
195 								if ( testIt && sel && sel.type == 'None' )
196 								{
197 									// The "InsertImage" command can be used to
198 									// test whether the selection is good or not.
199 									// If not, it's enough to give some time to
200 									// IE to put things in order for us.
201 									if ( !doc.$.queryCommandEnabled( 'InsertImage' ) )
202 									{
203 										CKEDITOR.tools.setTimeout( saveSelection, 50, this, true );
204 										return;
205 									}
206 								}
207
208 								savedRange = sel && sel.createRange();
209
210 								checkSelectionChangeTimeout.call( editor );
211 							}
212 						}
213 					}
214 					else
215 					{
216 						// In other browsers, we make the selection change
217 						// check based on other events, like clicks or keys
218 						// press.
219
220 						doc.on( 'mouseup', checkSelectionChangeTimeout, editor );
221 						doc.on( 'keyup', checkSelectionChangeTimeout, editor );
222 					}
223 				});
224
225 			editor.addCommand( 'selectAll', selectAllCmd );
226 			editor.ui.addButton( 'SelectAll',
227 				{
228 					label : editor.lang.selectAll,
229 					command : 'selectAll'
230 				});
231
232 			editor.selectionChange = checkSelectionChangeTimeout;
233 		}
234 	});
235
236 	/**
237 	 * Gets the current selection from the editing area when in WYSIWYG mode.
238 	 * @returns {CKEDITOR.dom.selection} A selection object or null if not on
239 	 *		WYSIWYG mode or no selection is available.
240 	 * @example
241 	 * var selection = CKEDITOR.instances.editor1.<b>getSelection()</b>;
242 	 * alert( selection.getType() );
243 	 */
244 	CKEDITOR.editor.prototype.getSelection = function()
245 	{
246 		return this.document && this.document.getSelection();
247 	};
248
249 	CKEDITOR.editor.prototype.forceNextSelectionCheck = function()
250 	{
251 		delete this._.selectionPreviousPath;
252 	};
253
254 	/**
255 	 * Gets the current selection from the document.
256 	 * @returns {CKEDITOR.dom.selection} A selection object.
257 	 * @example
258 	 * var selection = CKEDITOR.instances.editor1.document.<b>getSelection()</b>;
259 	 * alert( selection.getType() );
260 	 */
261 	CKEDITOR.dom.document.prototype.getSelection = function()
262 	{
263 		var sel = new CKEDITOR.dom.selection( this );
264 		return ( !sel || sel.isInvalid ) ? null : sel;
265 	};
266
267 	/**
268 	 * No selection.
269 	 * @constant
270 	 * @example
271 	 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_NONE )
272 	 *     alert( 'Nothing is selected' );
273 	 */
274 	CKEDITOR.SELECTION_NONE		= 1;
275
276 	/**
277 	 * Text or collapsed selection.
278 	 * @constant
279 	 * @example
280 	 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )
281 	 *     alert( 'Text is selected' );
282 	 */
283 	CKEDITOR.SELECTION_TEXT		= 2;
284
285 	/**
286 	 * Element selection.
287 	 * @constant
288 	 * @example
289 	 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_ELEMENT )
290 	 *     alert( 'An element is selected' );
291 	 */
292 	CKEDITOR.SELECTION_ELEMENT	= 3;
293
294 	/**
295 	 * Manipulates the selection in a DOM document.
296 	 * @constructor
297 	 * @example
298 	 */
299 	CKEDITOR.dom.selection = function( document )
300 	{
301 		var lockedSelection = document.getCustomData( 'cke_locked_selection' );
302
303 		if ( lockedSelection )
304 			return lockedSelection;
305
306 		this.document = document;
307 		this.isLocked = false;
308 		this._ =
309 		{
310 			cache : {}
311 		};
312
313 		/**
314 		 * IE BUG: The selection's document may be a different document than the
315 		 * editor document. Return null if that's the case.
316 		 */
317 		if ( CKEDITOR.env.ie )
318 		{
319 			var range = this.getNative().createRange();
320 			if ( !range
321 				|| ( range.item && range.item(0).ownerDocument != this.document.$ )
322 				|| ( range.parentElement && range.parentElement().ownerDocument != this.document.$ ) )
323 			{
324 				this.isInvalid = true;
325 			}
326 		}
327
328 		return this;
329 	};
330
331 	var styleObjectElements =
332 	{
333 		img:1,hr:1,li:1,table:1,tr:1,td:1,embed:1,object:1,ol:1,ul:1,
334 		a:1, input:1, form:1, select:1, textarea:1, button:1, fieldset:1, th:1, thead:1, tfoot:1
335 	};
336
337 	CKEDITOR.dom.selection.prototype =
338 	{
339 		/**
340 		 * Gets the native selection object from the browser.
341 		 * @function
342 		 * @returns {Object} The native selection object.
343 		 * @example
344 		 * var selection = editor.getSelection().<b>getNative()</b>;
345 		 */
346 		getNative :
347 			CKEDITOR.env.ie ?
348 				function()
349 				{
350 					return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.$.selection );
351 				}
352 			:
353 				function()
354 				{
355 					return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.getWindow().$.getSelection() );
356 				},
357
358 		/**
359 		 * Gets the type of the current selection. The following values are
360 		 * available:
361 		 * <ul>
362 		 *		<li>{@link CKEDITOR.SELECTION_NONE} (1): No selection.</li>
363 		 *		<li>{@link CKEDITOR.SELECTION_TEXT} (2): Text is selected or
364 		 *			collapsed selection.</li>
365 		 *		<li>{@link CKEDITOR.SELECTION_ELEMENT} (3): A element
366 		 *			selection.</li>
367 		 * </ul>
368 		 * @function
369 		 * @returns {Number} One of the following constant values:
370 		 *		{@link CKEDITOR.SELECTION_NONE}, {@link CKEDITOR.SELECTION_TEXT} or
371 		 *		{@link CKEDITOR.SELECTION_ELEMENT}.
372 		 * @example
373 		 * if ( editor.getSelection().<b>getType()</b> == CKEDITOR.SELECTION_TEXT )
374 		 *     alert( 'Text is selected' );
375 		 */
376 		getType :
377 			CKEDITOR.env.ie ?
378 				function()
379 				{
380 					var cache = this._.cache;
381 					if ( cache.type )
382 						return cache.type;
383
384 					var type = CKEDITOR.SELECTION_NONE;
385
386 					try
387 					{
388 						var sel = this.getNative(),
389 							ieType = sel.type;
390
391 						if ( ieType == 'Text' )
392 							type = CKEDITOR.SELECTION_TEXT;
393
394 						if ( ieType == 'Control' )
395 							type = CKEDITOR.SELECTION_ELEMENT;
396
397 						// It is possible that we can still get a text range
398 						// object even when type == 'None' is returned by IE.
399 						// So we'd better check the object returned by
400 						// createRange() rather than by looking at the type.
401 						if ( sel.createRange().parentElement )
402 							type = CKEDITOR.SELECTION_TEXT;
403 					}
404 					catch(e) {}
405
406 					return ( cache.type = type );
407 				}
408 			:
409 				function()
410 				{
411 					var cache = this._.cache;
412 					if ( cache.type )
413 						return cache.type;
414
415 					var type = CKEDITOR.SELECTION_TEXT;
416
417 					var sel = this.getNative();
418
419 					if ( !sel )
420 						type = CKEDITOR.SELECTION_NONE;
421 					else if ( sel.rangeCount == 1 )
422 					{
423 						// Check if the actual selection is a control (IMG,
424 						// TABLE, HR, etc...).
425
426 						var range = sel.getRangeAt(0),
427 							startContainer = range.startContainer;
428
429 						if ( startContainer == range.endContainer
430 							&& startContainer.nodeType == 1
431 							&& ( range.endOffset - range.startOffset ) == 1
432 							&& styleObjectElements[ startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )
433 						{
434 							type = CKEDITOR.SELECTION_ELEMENT;
435 						}
436 					}
437
438 					return ( cache.type = type );
439 				},
440
441 		getRanges :
442 			CKEDITOR.env.ie ?
443 				( function()
444 				{
445 					// Finds the container and offset for a specific boundary
446 					// of an IE range.
447 					var getBoundaryInformation = function( range, start )
448 					{
449 						// Creates a collapsed range at the requested boundary.
450 						range = range.duplicate();
451 						range.collapse( start );
452
453 						// Gets the element that encloses the range entirely.
454 						var parent = range.parentElement();
455 						var siblings = parent.childNodes;
456
457 						var testRange;
458
459 						for ( var i = 0 ; i < siblings.length ; i++ )
460 						{
461 							var child = siblings[ i ];
462 							if ( child.nodeType == 1 )
463 							{
464 								testRange = range.duplicate();
465
466 								testRange.moveToElementText( child );
467 								testRange.collapse();
468
469 								var comparison = testRange.compareEndPoints( 'StartToStart', range );
470
471 								if ( comparison > 0 )
472 									break;
473 								else if ( comparison === 0 )
474 									return {
475 										container : parent,
476 										offset : i
477 									};
478
479 								testRange = null;
480 							}
481 						}
482
483 						if ( !testRange )
484 						{
485 							testRange = range.duplicate();
486 							testRange.moveToElementText( parent );
487 							testRange.collapse( false );
488 						}
489
490 						testRange.setEndPoint( 'StartToStart', range );
491 						var distance = testRange.text.length;
492
493 						while ( distance > 0 )
494 							distance -= siblings[ --i ].nodeValue.length;
495
496 						if ( distance === 0 )
497 						{
498 							return {
499 								container : parent,
500 								offset : i
501 							};
502 						}
503 						else
504 						{
505 							return {
506 								container : siblings[ i ],
507 								offset : -distance
508 							};
509 						}
510 					};
511
512 					return function()
513 					{
514 						var cache = this._.cache;
515 						if ( cache.ranges )
516 							return cache.ranges;
517
518 						// IE doesn't have range support (in the W3C way), so we
519 						// need to do some magic to transform selections into
520 						// CKEDITOR.dom.range instances.
521
522 						var sel = this.getNative(),
523 							nativeRange = sel && sel.createRange(),
524 							type = this.getType(),
525 							range;
526
527 						if ( !sel )
528 							return [];
529
530 						if ( type == CKEDITOR.SELECTION_TEXT )
531 						{
532 							range = new CKEDITOR.dom.range( this.document );
533
534 							var boundaryInfo = getBoundaryInformation( nativeRange, true );
535 							range.setStart( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
536
537 							boundaryInfo = getBoundaryInformation( nativeRange );
538 							range.setEnd( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
539
540 							return ( cache.ranges = [ range ] );
541 						}
542 						else if ( type == CKEDITOR.SELECTION_ELEMENT )
543 						{
544 							var retval = this._.cache.ranges = [];
545
546 							for ( var i = 0 ; i < nativeRange.length ; i++ )
547 							{
548 								var element = nativeRange.item( i ),
549 									parentElement = element.parentNode,
550 									j = 0;
551
552 								range = new CKEDITOR.dom.range( this.document );
553
554 								for (; j < parentElement.childNodes.length && parentElement.childNodes[j] != element ; j++ )
555 								{ /*jsl:pass*/ }
556
557 								range.setStart( new CKEDITOR.dom.node( parentElement ), j );
558 								range.setEnd( new CKEDITOR.dom.node( parentElement ), j + 1 );
559 								retval.push( range );
560 							}
561
562 							return retval;
563 						}
564
565 						return ( cache.ranges = [] );
566 					};
567 				})()
568 			:
569 				function()
570 				{
571 					var cache = this._.cache;
572 					if ( cache.ranges )
573 						return cache.ranges;
574
575 					// On browsers implementing the W3C range, we simply
576 					// tranform the native ranges in CKEDITOR.dom.range
577 					// instances.
578
579 					var ranges = [];
580 					var sel = this.getNative();
581
582 					if ( !sel )
583 						return [];
584
585 					for ( var i = 0 ; i < sel.rangeCount ; i++ )
586 					{
587 						var nativeRange = sel.getRangeAt( i );
588 						var range = new CKEDITOR.dom.range( this.document );
589
590 						range.setStart( new CKEDITOR.dom.node( nativeRange.startContainer ), nativeRange.startOffset );
591 						range.setEnd( new CKEDITOR.dom.node( nativeRange.endContainer ), nativeRange.endOffset );
592 						ranges.push( range );
593 					}
594
595 					return ( cache.ranges = ranges );
596 				},
597
598 		/**
599 		 * Gets the DOM element in which the selection starts.
600 		 * @returns {CKEDITOR.dom.element} The element at the beginning of the
601 		 *		selection.
602 		 * @example
603 		 * var element = editor.getSelection().<b>getStartElement()</b>;
604 		 * alert( element.getName() );
605 		 */
606 		getStartElement : function()
607 		{
608 			var cache = this._.cache;
609 			if ( cache.startElement !== undefined )
610 				return cache.startElement;
611
612 			var node,
613 				sel = this.getNative();
614
615 			switch ( this.getType() )
616 			{
617 				case CKEDITOR.SELECTION_ELEMENT :
618 					return this.getSelectedElement();
619
620 				case CKEDITOR.SELECTION_TEXT :
621
622 					var range = this.getRanges()[0];
623
624 					if ( range )
625 					{
626 						if ( !range.collapsed )
627 						{
628 							range.optimize();
629
630 							// Decrease the range content to exclude particial
631 							// selected node on the start which doesn't have
632 							// visual impact. ( #3231 )
633 							while( true )
634 							{
635 								var startContainer = range.startContainer,
636 									startOffset = range.startOffset;
637 								if ( startOffset == ( startContainer.getChildCount ?
638 									startContainer.getChildCount() : startContainer.getLength() ) )
639 									range.setStartAfter( startContainer );
640 								else break;
641 							}
642
643 							node = range.startContainer;
644
645 							if ( node.type != CKEDITOR.NODE_ELEMENT )
646 								return node.getParent();
647
648 							node = node.getChild( range.startOffset );
649
650 							if ( !node || node.type != CKEDITOR.NODE_ELEMENT )
651 								return range.startContainer;
652
653 							var child = node.getFirst();
654 							while (  child && child.type == CKEDITOR.NODE_ELEMENT )
655 							{
656 								node = child;
657 								child = child.getFirst();
658 							}
659
660 							return node;
661 						}
662 					}
663
664 					if ( CKEDITOR.env.ie )
665 					{
666 						range = sel.createRange();
667 						range.collapse( true );
668
669 						node = range.parentElement();
670 					}
671 					else
672 					{
673 						node = sel.anchorNode;
674
675 						if ( node.nodeType != 1 )
676 							node = node.parentNode;
677 					}
678 			}
679
680 			return cache.startElement = ( node ? new CKEDITOR.dom.element( node ) : null );
681 		},
682
683 		/**
684 		 * Gets the current selected element.
685 		 * @returns {CKEDITOR.dom.element} The selected element. Null if no
686 		 *		selection is available or the selection type is not
687 		 *		{@link CKEDITOR.SELECTION_ELEMENT}.
688 		 * @example
689 		 * var element = editor.getSelection().<b>getSelectedElement()</b>;
690 		 * alert( element.getName() );
691 		 */
692 		getSelectedElement : function()
693 		{
694 			var cache = this._.cache;
695 			if ( cache.selectedElement !== undefined )
696 				return cache.selectedElement;
697
698 			var node;
699
700 			if ( this.getType() == CKEDITOR.SELECTION_ELEMENT )
701 			{
702 				var sel = this.getNative();
703
704 				if ( CKEDITOR.env.ie )
705 				{
706 					try
707 					{
708 						node = sel.createRange().item(0);
709 					}
710 					catch(e) {}
711 				}
712 				else
713 				{
714 					var range = sel.getRangeAt( 0 );
715 					node = range.startContainer.childNodes[ range.startOffset ];
716 				}
717 			}
718
719 			return cache.selectedElement = ( node ? new CKEDITOR.dom.element( node ) : null );
720 		},
721
722 		lock : function()
723 		{
724 			// Call all cacheable function.
725 			this.getRanges();
726 			this.getStartElement();
727 			this.getSelectedElement();
728
729 			// The native selection is not available when locked.
730 			this._.cache.nativeSel = {};
731
732 			this.isLocked = true;
733
734 			// Save this selection inside the DOM document.
735 			this.document.setCustomData( 'cke_locked_selection', this );
736 		},
737
738 		unlock : function( restore )
739 		{
740 			var doc = this.document,
741 				lockedSelection = doc.getCustomData( 'cke_locked_selection' );
742
743 			if ( lockedSelection )
744 			{
745 				doc.setCustomData( 'cke_locked_selection', null );
746
747 				if ( restore )
748 				{
749 					var selectedElement = lockedSelection.getSelectedElement(),
750 						ranges = !selectedElement && lockedSelection.getRanges();
751
752 					this.isLocked = false;
753 					this.reset();
754
755 					doc.getBody().focus();
756
757 					if ( selectedElement )
758 						this.selectElement( selectedElement );
759 					else
760 						this.selectRanges( ranges );
761 				}
762 			}
763
764 			if  ( !lockedSelection || !restore )
765 			{
766 				this.isLocked = false;
767 				this.reset();
768 			}
769 		},
770
771 		reset : function()
772 		{
773 			this._.cache = {};
774 		},
775
776 		selectElement : function( element )
777 		{
778 			if ( this.isLocked )
779 			{
780 				var range = new CKEDITOR.dom.range();
781 				range.setStartBefore( element );
782 				range.setEndAfter( element );
783
784 				this._.cache.selectedElement = element;
785 				this._.cache.startElement = element;
786 				this._.cache.ranges = [ range ];
787 				this._.cache.type = CKEDITOR.SELECTION_ELEMENT;
788
789 				return;
790 			}
791
792 			if ( CKEDITOR.env.ie )
793 			{
794 				this.getNative().empty();
795
796 				try
797 				{
798 					// Try to select the node as a control.
799 					range = this.document.$.body.createControlRange();
800 					range.addElement( element.$ );
801 					range.select();
802 				}
803 				catch(e)
804 				{
805 					// If failed, select it as a text range.
806 					range = this.document.$.body.createTextRange();
807 					range.moveToElementText( element.$ );
808 					range.select();
809 				}
810
811 				this.reset();
812 			}
813 			else
814 			{
815 				// Create the range for the element.
816 				range = this.document.$.createRange();
817 				range.selectNode( element.$ );
818
819 				// Select the range.
820 				var sel = this.getNative();
821 				sel.removeAllRanges();
822 				sel.addRange( range );
823
824 				this.reset();
825 			}
826 		},
827
828 		selectRanges : function( ranges )
829 		{
830 			if ( this.isLocked )
831 			{
832 				this._.cache.selectedElement = null;
833 				this._.cache.startElement = ranges[ 0 ].getTouchedStartNode();
834 				this._.cache.ranges = ranges;
835 				this._.cache.type = CKEDITOR.SELECTION_TEXT;
836
837 				return;
838 			}
839
840 			if ( CKEDITOR.env.ie )
841 			{
842 				// IE doesn't accept multiple ranges selection, so we just
843 				// select the first one.
844 				if ( ranges[ 0 ] )
845 					ranges[ 0 ].select();
846
847 				this.reset();
848 			}
849 			else
850 			{
851 				var sel = this.getNative();
852 				sel.removeAllRanges();
853
854 				for ( var i = 0 ; i < ranges.length ; i++ )
855 				{
856 					var range = ranges[ i ];
857 					var nativeRange = this.document.$.createRange();
858 					nativeRange.setStart( range.startContainer.$, range.startOffset );
859 					nativeRange.setEnd( range.endContainer.$, range.endOffset );
860
861 					// Select the range.
862 					sel.addRange( nativeRange );
863 				}
864
865 				this.reset();
866 			}
867 		},
868
869 		createBookmarks : function( serializable )
870 		{
871 			var retval = [],
872 				ranges = this.getRanges(),
873 				length = ranges.length,
874 				bookmark;
875 			for ( var i = 0; i < length ; i++ )
876 			{
877 			    retval.push( bookmark = ranges[ i ].createBookmark( serializable, true ) );
878
879 				serializable = bookmark.serializable;
880
881 				var bookmarkStart = serializable ? this.document.getById( bookmark.startNode ) : bookmark.startNode,
882 					bookmarkEnd = serializable ? this.document.getById( bookmark.endNode ) : bookmark.endNode;
883
884 			    // Updating the offset values for rest of ranges which have been mangled(#3256).
885 			    for ( var j = i + 1 ; j < length ; j++ )
886 			    {
887 			        var dirtyRange = ranges[ j ],
888 			               rangeStart = dirtyRange.startContainer,
889 			               rangeEnd = dirtyRange.endContainer;
890
891 			       rangeStart.equals( bookmarkStart.getParent() ) && dirtyRange.startOffset++;
892 			       rangeStart.equals( bookmarkEnd.getParent() ) && dirtyRange.startOffset++;
893 			       rangeEnd.equals( bookmarkStart.getParent() ) && dirtyRange.endOffset++;
894 			       rangeEnd.equals( bookmarkEnd.getParent() ) && dirtyRange.endOffset++;
895 			    }
896 			}
897
898 			return retval;
899 		},
900
901 		createBookmarks2 : function( normalized )
902 		{
903 			var bookmarks = [],
904 				ranges = this.getRanges();
905
906 			for ( var i = 0 ; i < ranges.length ; i++ )
907 				bookmarks.push( ranges[i].createBookmark2( normalized ) );
908
909 			return bookmarks;
910 		},
911
912 		selectBookmarks : function( bookmarks )
913 		{
914 			var ranges = [];
915 			for ( var i = 0 ; i < bookmarks.length ; i++ )
916 			{
917 				var range = new CKEDITOR.dom.range( this.document );
918 				range.moveToBookmark( bookmarks[i] );
919 				ranges.push( range );
920 			}
921 			this.selectRanges( ranges );
922 			return this;
923 		}
924 	};
925 })();
926
927 CKEDITOR.dom.range.prototype.select =
928 	CKEDITOR.env.ie ?
929 		// V2
930 		function()
931 		{
932 			var collapsed = this.collapsed;
933 			var isStartMakerAlone;
934 			var dummySpan;
935
936 			var bookmark = this.createBookmark();
937
938 			// Create marker tags for the start and end boundaries.
939 			var startNode = bookmark.startNode;
940
941 			var endNode;
942 			if ( !collapsed )
943 				endNode = bookmark.endNode;
944
945 			// Create the main range which will be used for the selection.
946 			var ieRange = this.document.$.body.createTextRange();
947
948 			// Position the range at the start boundary.
949 			ieRange.moveToElementText( startNode.$ );
950 			ieRange.moveStart( 'character', 1 );
951
952 			if ( endNode )
953 			{
954 				// Create a tool range for the end.
955 				var ieRangeEnd = this.document.$.body.createTextRange();
956
957 				// Position the tool range at the end.
958 				ieRangeEnd.moveToElementText( endNode.$ );
959
960 				// Move the end boundary of the main range to match the tool range.
961 				ieRange.setEndPoint( 'EndToEnd', ieRangeEnd );
962 				ieRange.moveEnd( 'character', -1 );
963 			}
964 			else
965 			{
966 // The isStartMakerAlone logic comes from V2. It guarantees that the lines
967 // will expand and that the cursor will be blinking on the right place.
968 // Actually, we are using this flag just to avoid using this hack in all
969 // situations, but just on those needed.
970
971 // But, in V3, somehow it is not interested on working whe hitting SHIFT+ENTER
972 // inside text. So, let's jsut leave the hack happen always.
973
974 // I'm still leaving the code here just in case. We may find some other IE
975 // weirdness and uncommenting this stuff may be useful.
976
977 //				isStartMakerAlone = ( !startNode.hasPrevious() || ( startNode.getPrevious().is && startNode.getPrevious().is( 'br' ) ) )
978 //					&& !startNode.hasNext();
979
980 				// Append a temporary <span></span> before the selection.
981 				// This is needed to avoid IE destroying selections inside empty
982 				// inline elements, like <b></b> (#253).
983 				// It is also needed when placing the selection right after an inline
984 				// element to avoid the selection moving inside of it.
985 				dummySpan = this.document.createElement( 'span' );
986 				dummySpan.setHtml( '' );	// Zero Width No-Break Space (U+FEFF). See #1359.
987 				dummySpan.insertBefore( startNode );
988
989 //				if ( isStartMakerAlone )
990 //				{
991 					// To expand empty blocks or line spaces after <br>, we need
992 					// instead to have any char, which will be later deleted using the
993 					// selection.
994 					// \ufeff = Zero Width No-Break Space (U+FEFF). (#1359)
995 					this.document.createText( '\ufeff' ).insertBefore( startNode );
996 //				}
997 			}
998
999 			// Remove the markers (reset the position, because of the changes in the DOM tree).
1000 			this.setStartBefore( startNode );
1001 			startNode.remove();
1002
1003 			if ( collapsed )
1004 			{
1005 //				if ( isStartMakerAlone )
1006 //				{
1007 					// Move the selection start to include the temporary \ufeff.
1008 					ieRange.moveStart( 'character', -1 );
1009
1010 					ieRange.select();
1011
1012 					// Remove our temporary stuff.
1013 					this.document.$.selection.clear();
1014 //				}
1015 //				else
1016 //					ieRange.select();
1017
1018 				dummySpan.remove();
1019 			}
1020 			else
1021 			{
1022 				this.setEndBefore( endNode );
1023 				endNode.remove();
1024 				ieRange.select();
1025 			}
1026 		}
1027 	:
1028 		function()
1029 		{
1030 			var startContainer = this.startContainer;
1031
1032 			// If we have a collapsed range, inside an empty element, we must add
1033 			// something to it, otherwise the caret will not be visible.
1034 			if ( this.collapsed && startContainer.type == CKEDITOR.NODE_ELEMENT && !startContainer.getChildCount() )
1035 				startContainer.append( new CKEDITOR.dom.text( '' ) );
1036
1037 			var nativeRange = this.document.$.createRange();
1038 			nativeRange.setStart( startContainer.$, this.startOffset );
1039
1040 			try
1041 			{
1042 				nativeRange.setEnd( this.endContainer.$, this.endOffset );
1043 			}
1044 			catch ( e )
1045 			{
1046 				// There is a bug in Firefox implementation (it would be too easy
1047 				// otherwise). The new start can't be after the end (W3C says it can).
1048 				// So, let's create a new range and collapse it to the desired point.
1049 				if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )
1050 				{
1051 					this.collapse( true );
1052 					nativeRange.setEnd( this.endContainer.$, this.endOffset );
1053 				}
1054 				else
1055 					throw( e );
1056 			}
1057
1058 			var selection = this.document.getSelection().getNative();
1059 			selection.removeAllRanges();
1060 			selection.addRange( nativeRange );
1061 		};
1062