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 /**
  7  * @fileOverview The floating dialog plugin.
  8  */
  9
 10 CKEDITOR.plugins.add( 'dialog',
 11 	{
 12 		requires : [ 'dialogui' ]
 13 	});
 14
 15 /**
 16  * No resize for this dialog.
 17  * @constant
 18  */
 19 CKEDITOR.DIALOG_RESIZE_NONE = 0;
 20
 21 /**
 22  * Only allow horizontal resizing for this dialog, disable vertical resizing.
 23  * @constant
 24  */
 25 CKEDITOR.DIALOG_RESIZE_WIDTH = 1;
 26
 27 /**
 28  * Only allow vertical resizing for this dialog, disable horizontal resizing.
 29  * @constant
 30  */
 31 CKEDITOR.DIALOG_RESIZE_HEIGHT = 2;
 32
 33 /*
 34  * Allow the dialog to be resized in both directions.
 35  * @constant
 36  */
 37 CKEDITOR.DIALOG_RESIZE_BOTH = 3;
 38
 39 (function()
 40 {
 41 	function isTabVisible( tabId )
 42 	{
 43 		return !!this._.tabs[ tabId ][ 0 ].$.offsetHeight;
 44 	}
 45
 46 	function getPreviousVisibleTab()
 47 	{
 48 		var tabId = this._.currentTabId,
 49 			length = this._.tabIdList.length,
 50 			tabIndex = CKEDITOR.tools.indexOf( this._.tabIdList, tabId ) + length;
 51
 52 		for ( var i = tabIndex - 1 ; i > tabIndex - length ; i-- )
 53 		{
 54 			if ( isTabVisible.call( this, this._.tabIdList[ i % length ] ) )
 55 				return this._.tabIdList[ i % length ];
 56 		}
 57
 58 		return null;
 59 	}
 60
 61 	function getNextVisibleTab()
 62 	{
 63 		var tabId = this._.currentTabId,
 64 			length = this._.tabIdList.length,
 65 			tabIndex = CKEDITOR.tools.indexOf( this._.tabIdList, tabId );
 66
 67 		for ( var i = tabIndex + 1 ; i < tabIndex + length ; i++ )
 68 		{
 69 			if ( isTabVisible.call( this, this._.tabIdList[ i % length ] ) )
 70 				return this._.tabIdList[ i % length ];
 71 		}
 72
 73 		return null;
 74 	}
 75
 76 	/**
 77 	 * This is the base class for runtime dialog objects. An instance of this
 78 	 * class represents a single named dialog for a single editor instance.
 79 	 * @param {Object} editor The editor which created the dialog.
 80 	 * @param {String} dialogName The dialog's registered name.
 81 	 * @constructor
 82 	 * @example
 83 	 * var dialogObj = new CKEDITOR.dialog( editor, 'smiley' );
 84 	 */
 85 	CKEDITOR.dialog = function( editor, dialogName )
 86 	{
 87 		// Load the dialog definition.
 88 		var definition = CKEDITOR.dialog._.dialogDefinitions[ dialogName ];
 89 		if ( !definition )
 90 		{
 91 			console.log( 'Error: The dialog "' + dialogName + '" is not defined.' );
 92 			return;
 93 		}
 94
 95 		// Completes the definition with the default values.
 96 		definition = CKEDITOR.tools.extend( definition( editor ), defaultDialogDefinition );
 97
 98 		// Create a complex definition object, extending it with the API
 99 		// functions.
100 		definition = new definitionObject( this, definition );
101
102 		// Fire the "dialogDefinition" event, making it possible to customize
103 		// the dialog definition.
104 		this.definition = definition = CKEDITOR.fire( 'dialogDefinition',
105 			{
106 				name : dialogName,
107 				definition : definition
108 			}
109 			, editor ).definition;
110
111 		var themeBuilt = editor.theme.buildDialog( editor );
112
113 		// Initialize some basic parameters.
114 		this._ =
115 		{
116 			editor : editor,
117 			element : themeBuilt.element,
118 			name : dialogName,
119 			size : { width : 0, height : 0 },
120 			contents : {},
121 			buttons : {},
122 			accessKeyMap : {},
123
124 			// Initialize the tab and page map.
125 			tabs : {},
126 			tabIdList : [],
127 			currentTabId : null,
128 			currentTabIndex : null,
129 			pageCount : 0,
130 			lastTab : null,
131 			tabBarMode : false,
132
133 			// Initialize the tab order array for input widgets.
134 			focusList : [],
135 			currentFocusIndex : 0,
136 			hasFocus : false
137 		};
138
139 		/**
140 		 * An associative map of elements in the dialog. It has the following members:
141 		 * <ul>
142 		 * 	<li>tl - top left corner.</li>
143 		 * 	<li>tl_resize - resize handle at the top left corner.</li>
144 		 * 	<li>t - top side.</li>
145 		 * 	<li>t_resize - resize handle at the top.</li>
146 		 * 	<li>tr - top right corner.</li>
147 		 * 	<li>tr_resize - resize handle at the top right.</li>
148 		 * 	<li>l - left side.</li>
149 		 * 	<li>l_resize - resize handle at the left side.</li>
150 		 * 	<li>c - center area.</li>
151 		 * 	<li>r - right side.</li>
152 		 * 	<li>r_resize - resize handle at the right side.</li>
153 		 * 	<li>bl - bottom left corner.</li>
154 		 * 	<li>bl_resize - resize handle at the bottom left.</li>
155 		 * 	<li>b - bottom side.</li>
156 		 * 	<li>b_resize - resize handle at the bottom.</li>
157 		 * 	<li>br - bottom right corner.</li>
158 		 * 	<li>br_resize - resize handle at the bottom right.</li>
159 		 * 	<li>title - title area.</li>
160 		 * 	<li>close - close button.</li>
161 		 * 	<li>tabs - tabs area.</li>
162 		 * 	<li>contents - the content page area.</li>
163 		 * 	<li>footer - the footer area.</li>
164 		 * </ul>
165 		 * @type Object
166 		 * @field
167 		 */
168 		this.parts = {
169 			'tl' : [0,0],
170 			'tl_resize' : [0,0,0],
171 			't' : [0,1],
172 			't_resize' : [0,1,0],
173 			'tr' : [0,2],
174 			'tr_resize' : [0,2,0],
175 			'l' : [1,0],
176 			'l_resize' : [1,0,0],
177 			'c' : [1,1],
178 			'r' : [1,2],
179 			'r_resize' : [1,2,0],
180 			'bl' : [2,0],
181 			'bl_resize' : [2,0,0],
182 			'b' : [2,1],
183 			'b_resize' : [2,1,0],
184 			'br' : [2,2],
185 			'br_resize' : [2,2,0],
186 			'title' : [1,1,0],
187 			'close' : [1,1,0,0],
188 			'tabs' : [1,1,1,0,0],
189 			'tabs_table' : [1,1,1],
190 			'contents' : [1,1,2],
191 			'footer' : [1,1,3]
192 		};
193
194 		// Initialize the parts map.
195 		var element = this._.element.getFirst();
196 		for ( var i in this.parts )
197 			this.parts[i] = element.getChild( this.parts[i] );
198
199 		// Call the CKEDITOR.event constructor to initialize this instance.
200 		CKEDITOR.event.call( this );
201
202 		// Initialize load, show, hide, ok and cancel events.
203 		if ( definition.onLoad )
204 			this.on( 'load', definition.onLoad );
205
206 		if ( definition.onShow )
207 			this.on( 'show', definition.onShow );
208
209 		if ( definition.onHide )
210 			this.on( 'hide', definition.onHide );
211
212 		if ( definition.onOk )
213 		{
214 			this.on( 'ok', function( evt )
215 				{
216 					if ( definition.onOk.call( this, evt ) === false )
217 						evt.data.hide = false;
218 				});
219 		}
220
221 		if ( definition.onCancel )
222 		{
223 			this.on( 'cancel', function( evt )
224 				{
225 					if ( definition.onCancel.call( this, evt ) === false )
226 						evt.data.hide = false;
227 				});
228 		}
229
230 		var me = this;
231
232 		// Iterates over all items inside all content in the dialog, calling a
233 		// function for each of them.
234 		var iterContents = function( func )
235 		{
236 			var contents = me._.contents,
237 				stop = false;
238
239 			for ( var i in contents )
240 			{
241 				for ( var j in contents[i] )
242 				{
243 					stop = func.call( this, contents[i][j] );
244 					if ( stop )
245 						return;
246 				}
247 			}
248 		};
249
250 		this.on( 'ok', function( evt )
251 			{
252 				iterContents( function( item )
253 					{
254 						if ( item.validate )
255 						{
256 							var isValid = item.validate( this );
257
258 							if ( typeof isValid == 'string' )
259 							{
260 								alert( isValid );
261 								isValid = false;
262 							}
263
264 							if ( isValid === false )
265 							{
266 								if ( item.select )
267 									item.select();
268 								else
269 									item.focus();
270
271 								evt.data.hide = false;
272 								evt.stop();
273 								return true;
274 							}
275 						}
276 					});
277 			}, this, null, 0 );
278
279 		this.on( 'cancel', function( evt )
280 			{
281 				iterContents( function( item )
282 					{
283 						if ( item.isChanged() )
284 						{
285 							if ( !confirm( editor.lang.common.confirmCancel ) )
286 								evt.data.hide = false;
287 							return true;
288 						}
289 					});
290 			}, this, null, 0 );
291
292 		this.parts.close.on( 'click', function( evt )
293 				{
294 					if ( this.fire( 'cancel', { hide : true } ).hide !== false )
295 						this.hide();
296 				}, this );
297
298 		function changeFocus( forward )
299 		{
300 			var focusList = me._.focusList,
301 				offset = forward ? 1 : -1;
302 			if ( focusList.length < 1 )
303 				return;
304
305 			var currentIndex = ( me._.currentFocusIndex + offset + focusList.length ) % focusList.length;
306 			while ( !focusList[ currentIndex ].isFocusable() )
307 			{
308 				currentIndex = ( currentIndex + offset + focusList.length ) % focusList.length;
309 				if ( currentIndex == me._.currentFocusIndex )
310 					break;
311 			}
312 			focusList[ currentIndex ].focus();
313 		}
314
315 		function focusKeydownHandler( evt )
316 		{
317 			// If I'm not the top dialog, ignore.
318 			if ( me != CKEDITOR.dialog._.currentTop )
319 				return;
320
321 			var keystroke = evt.data.getKeystroke(),
322 				processed = false;
323 			if ( keystroke == 9 || keystroke == CKEDITOR.SHIFT + 9 )
324 			{
325 				var shiftPressed = ( keystroke == CKEDITOR.SHIFT + 9 );
326
327 				// Handling Tab and Shift-Tab.
328 				if ( me._.tabBarMode )
329 				{
330 					// Change tabs.
331 					var nextId = shiftPressed ? getPreviousVisibleTab.call( me ) : getNextVisibleTab.call( me );
332 					me.selectPage( nextId );
333 					me._.tabs[ nextId ][ 0 ].getFirst().focus();
334 				}
335 				else
336 				{
337 					// Change the focus of inputs.
338 					changeFocus( !shiftPressed );
339 				}
340
341 				processed = true;
342 			}
343 			else if ( keystroke == CKEDITOR.ALT + 121 && !me._.tabBarMode )
344 			{
345 				// Alt-F10 puts focus into the current tab item in the tab bar.
346 				me._.tabBarMode = true;
347 				me._.tabs[ me._.currentTabId ][ 0 ].getFirst().focus();
348 				processed = true;
349 			}
350 			else if ( ( keystroke == 37 || keystroke == 39 ) && me._.tabBarMode )
351 			{
352 				// Arrow keys - used for changing tabs.
353 				var nextId = ( keystroke == 37 ? getPreviousVisibleTab.call( me ) : getNextVisibleTab.call( me ) );
354 				me.selectPage( nextId );
355 				me._.tabs[ nextId ][ 0 ].getFirst().focus();
356 				processed = true;
357 			}
358
359 			if ( processed )
360 			{
361 				evt.stop();
362 				evt.data.preventDefault();
363 			}
364 		}
365
366 		// Add the dialog keyboard handlers.
367 		this.on( 'show', function()
368 			{
369 				CKEDITOR.document.on( 'keydown', focusKeydownHandler, this, null, 0 );
370 				if ( CKEDITOR.env.ie6Compat )
371 				{
372 					var coverDoc = new CKEDITOR.dom.document( frames( 'cke_dialog_background_iframe' ).document );
373 					coverDoc.on( 'keydown', focusKeydownHandler, this, null, 0 );
374 				}
375 			} );
376 		this.on( 'hide', function()
377 			{
378 				CKEDITOR.document.removeListener( 'keydown', focusKeydownHandler );
379 			} );
380
381 		// Auto-focus logic in dialog.
382 		this.on( 'show', function()
383 			{
384 				if ( !this._.hasFocus )
385 				{
386 					this._.currentFocusIndex = -1;
387 					changeFocus( true );
388 				}
389 			}, this, null, 0xffffffff );
390
391 		// IE6 BUG: Text fields and text areas are only half-rendered the first time the dialog appears in IE6 (#2661).
392 		// This is still needed after [2708] and [2709] because text fields in hidden TR tags are still broken.
393 		if ( CKEDITOR.env.ie6Compat )
394 		{
395 			this.on( 'load', function( evt )
396 					{
397 						var outer = this.getElement(),
398 							inner = outer.getFirst();
399 						inner.remove();
400 						inner.appendTo( outer );
401 					}, this );
402 		}
403
404 		initDragAndDrop( this );
405 		initResizeHandles( this );
406
407 		// Insert the title.
408 		( new CKEDITOR.dom.text( definition.title, CKEDITOR.document ) ).appendTo( this.parts.title );
409
410 		// Insert the tabs and contents.
411 		for ( i = 0 ; i < definition.contents.length ; i++ )
412 			this.addPage( definition.contents[i] );
413
414 		var tabRegex = /cke_dialog_tab(\s|$|_)/,
415 			tabOuterRegex = /cke_dialog_tab(\s|$)/;
416 		this.parts['tabs'].on( 'click', function( evt )
417 				{
418 					var target = evt.data.getTarget(), firstNode = target, id, page;
419
420 					// If we aren't inside a tab, bail out.
421 					if ( !( tabRegex.test( target.$.className ) || target.getName() == 'a' ) )
422 						return;
423
424 					// Find the outer <td> container of the tab.
425 					while ( target.getName() != 'td' || !tabOuterRegex.test( target.$.className ) )
426 					{
427 						target = target.getParent();
428 					}
429 					id = target.$.id.substr( 0, target.$.id.lastIndexOf( '_' ) );
430 					this.selectPage( id );
431
432 					if ( this._.tabBarMode )
433 					{
434 						this._.tabBarMode = false;
435 						this._.currentFocusIndex = -1;
436 						changeFocus( true );
437 					}
438 				}, this );
439
440 		// Insert buttons.
441 		var buttonsHtml = [],
442 			buttons = CKEDITOR.dialog._.uiElementBuilders.hbox.build( this,
443 				{
444 					type : 'hbox',
445 					className : 'cke_dialog_footer_buttons',
446 					widths : [],
447 					children : definition.buttons
448 				}, buttonsHtml ).getChild();
449 		this.parts.footer.setHtml( buttonsHtml.join( '' ) );
450
451 		for ( i = 0 ; i < buttons.length ; i++ )
452 			this._.buttons[ buttons[i].id ] = buttons[i];
453
454 		// Insert dummy text box for grabbing focus away from the editing area.
455 		this._.dummyText = CKEDITOR.dom.element.createFromHtml( '<input type="text" style="position: absolute; left: -100000px; top: -100000px" />' );
456 		this._.dummyText.appendTo( element );
457
458 		CKEDITOR.skins.load( editor.config.skin, 'dialog' );
459 	};
460
461 	CKEDITOR.dialog.prototype =
462 	{
463 		/**
464 		 * Resizes the dialog.
465 		 * @param {Number} width The width of the dialog in pixels.
466 		 * @param {Number} height The height of the dialog in pixels.
467 		 * @function
468 		 * @example
469 		 * dialogObj.resize( 800, 640 );
470 		 */
471 		resize : (function()
472 		{
473 			return function( width, height )
474 			{
475 				if ( this._.size && this._.size.width == width && this._.size.height == height )
476 					return;
477
478 				CKEDITOR.dialog.fire( 'resize',
479 					{
480 						dialog : this,
481 						skin : this._.editor.config.skin,
482 						width : width,
483 						height : height
484 					}, this._.editor );
485
486 				this._.size = { width : width, height : height };
487 			};
488 		})(),
489
490 		/**
491 		 * Gets the current size of the dialog in pixels.
492 		 * @returns {Object} An object with "width" and "height" properties.
493 		 * @example
494 		 * var width = dialogObj.getSize().width;
495 		 */
496 		getSize : function()
497 		{
498 			return CKEDITOR.tools.extend( {}, this._.size );
499 		},
500
501 		/**
502 		 * Moves the dialog to an (x, y) coordinate relative to the window.
503 		 * @function
504 		 * @param {Number} x The target x-coordinate.
505 		 * @param {Number} y The target y-coordinate.
506 		 * @example
507 		 * dialogObj.move( 10, 40 );
508 		 */
509 		move : (function()
510 		{
511 			var isFixed;
512 			return function( x, y )
513 			{
514 				// The dialog may be fixed positioned or absolute positioned. Ask the
515 				// browser what is the current situation first.
516 				if ( isFixed === undefined )
517 					isFixed = this._.element.getFirst().getComputedStyle( 'position' ) == 'fixed';
518
519 				if ( isFixed && this._.position && this._.position.x == x && this._.position.y == y )
520 					return;
521
522 				// Save the current position.
523 				this._.position = { x : x, y : y };
524
525 				// If not fixed positioned, add scroll position to the coordinates.
526 				if ( !isFixed )
527 				{
528 					var scrollPosition = CKEDITOR.document.getWindow().getScrollPosition();
529 					x += scrollPosition.x;
530 					y += scrollPosition.y;
531 				}
532
533 				this._.element.getFirst().setStyles(
534 						{
535 							'left' : x + 'px',
536 							'top' : y + 'px'
537 						});
538 			};
539 		})(),
540
541 		/**
542 		 * Gets the dialog's position in the window.
543 		 * @returns {Object} An object with "x" and "y" properties.
544 		 * @example
545 		 * var dialogX = dialogObj.getPosition().x;
546 		 */
547 		getPosition : function(){ return CKEDITOR.tools.extend( {}, this._.position ); },
548
549 		/**
550 		 * Shows the dialog box.
551 		 * @example
552 		 * dialogObj.show();
553 		 */
554 		show : function()
555 		{
556 			// Insert the dialog's element to the root document.
557 			var element = this._.element;
558 			var definition = this.definition;
559 			if ( !( element.getParent() && element.getParent().equals( CKEDITOR.document.getBody() ) ) )
560 				element.appendTo( CKEDITOR.document.getBody() );
561 			else
562 				return;
563
564 			// First, set the dialog to an appropriate size.
565 			this.resize( definition.minWidth, definition.minHeight );
566
567 			// Rearrange the dialog to the middle of the window.
568 			var viewSize = CKEDITOR.document.getWindow().getViewPaneSize();
569 			this.move( ( viewSize.width - this._.size.width ) / 2, ( viewSize.height - this._.size.height ) / 2 );
570
571 			// Select the first tab by default.
572 			this.selectPage( this.definition.contents[0].id );
573
574 			// Reset all inputs back to their default value.
575 			this.reset();
576
577 			// Set z-index.
578 			if ( CKEDITOR.dialog._.currentZIndex === null )
579 				CKEDITOR.dialog._.currentZIndex = this._.editor.config.baseFloatZIndex;
580 			this._.element.getFirst().setStyle( 'z-index', CKEDITOR.dialog._.currentZIndex += 10 );
581
582 			// Maintain the dialog ordering and dialog cover.
583 			// Also register key handlers if first dialog.
584 			if ( CKEDITOR.dialog._.currentTop === null )
585 			{
586 				CKEDITOR.dialog._.currentTop = this;
587 				this._.parentDialog = null;
588 				addCover( this._.editor );
589
590 				CKEDITOR.document.on( 'keydown', accessKeyDownHandler );
591 				CKEDITOR.document.on( 'keyup', accessKeyUpHandler );
592 			}
593 			else
594 			{
595 				this._.parentDialog = CKEDITOR.dialog._.currentTop;
596 				var parentElement = this._.parentDialog.getElement().getFirst();
597 				parentElement.$.style.zIndex  -= Math.floor( this._.editor.config.baseFloatZIndex / 2 );
598 				CKEDITOR.dialog._.currentTop = this;
599 			}
600
601 			// Register the Esc hotkeys.
602 			registerAccessKey( this, this, '\x1b', null, function()
603 					{
604 						this.getButton( 'cancel' ) && this.getButton( 'cancel' ).click();
605 					} );
606
607 			// Save editor selection and grab the focus.
608 			if ( !this._.parentDialog )
609 				this.saveSelection();
610 			this._.dummyText.focus();
611 			this._.dummyText.$.select();
612
613 			// Reset the hasFocus state.
614 			this._.hasFocus = false;
615
616 			// Execute onLoad for the first show.
617 			this.fireOnce( 'load', {} );
618 			this.fire( 'show', {} );
619
620 			// Save the initial values of the dialog.
621 			this.foreach( function( contentObj ) { contentObj.setInitValue && contentObj.setInitValue(); } );
622 		},
623
624 		/**
625 		 * Executes a function for each UI element.
626 		 * @param {Function} fn Function to execute for each UI element.
627 		 * @returns {CKEDITOR.dialog} The current dialog object.
628 		 */
629 		foreach : function( fn )
630 		{
631 			for ( var i in this._.contents )
632 			{
633 				for ( var j in this._.contents[i] )
634 					fn( this._.contents[i][j]);
635 			}
636 			return this;
637 		},
638
639 		/**
640 		 * Resets all input values in the dialog.
641 		 * @example
642 		 * dialogObj.reset();
643 		 * @returns {CKEDITOR.dialog} The current dialog object.
644 		 */
645 		reset : (function()
646 		{
647 			var fn = function( widget ){ if ( widget.reset ) widget.reset(); };
648 			return function(){ this.foreach( fn ); return this; };
649 		})(),
650
651 		setupContent : function()
652 		{
653 			var args = arguments;
654 			this.foreach( function( widget )
655 				{
656 					if ( widget.setup )
657 						widget.setup.apply( widget, args );
658 				});
659 		},
660
661 		commitContent : function()
662 		{
663 			var args = arguments;
664 			this.foreach( function( widget )
665 				{
666 					if ( widget.commit )
667 						widget.commit.apply( widget, args );
668 				});
669 		},
670
671 		/**
672 		 * Hides the dialog box.
673 		 * @example
674 		 * dialogObj.hide();
675 		 */
676 		hide : function()
677 		{
678 			// Remove the dialog's element from the root document.
679 			var element = this._.element;
680 			if ( !element.getParent() )
681 				return;
682 			element.remove();
683
684 			// Unregister all access keys associated with this dialog.
685 			unregisterAccessKey( this );
686
687 			// Maintain dialog ordering and remove cover if needed.
688 			if ( !this._.parentDialog )
689 				removeCover();
690 			else
691 			{
692 				var parentElement = this._.parentDialog.getElement().getFirst();
693 				parentElement.setStyle( 'z-index', parseInt( parentElement.$.style.zIndex, 10 ) + Math.floor( this._.editor.config.baseFloatZIndex / 2 ) );
694 			}
695 			CKEDITOR.dialog._.currentTop = this._.parentDialog;
696
697 			// Deduct or clear the z-index.
698 			if ( !this._.parentDialog )
699 			{
700 				CKEDITOR.dialog._.currentZIndex = null;
701
702 				// Remove access key handlers.
703 				CKEDITOR.document.removeListener( 'keydown', accessKeyDownHandler );
704 				CKEDITOR.document.removeListener( 'keyup', accessKeyUpHandler );
705
706 				// Restore focus and (if not already restored) selection in the editing area.
707 				this.restoreSelection();
708 				this._.editor.focus();
709 			}
710 			else
711 				CKEDITOR.dialog._.currentZIndex -= 10;
712
713 			this.fire( 'hide', {} );
714
715 			// Reset the initial values of the dialog.
716 			this.foreach( function( contentObj ) { contentObj.resetInitValue && contentObj.resetInitValue(); } );
717 		},
718
719 		/**
720 		 * Adds a tabbed page into the dialog.
721 		 * @param {Object} contents Content definition.
722 		 * @example
723 		 */
724 		addPage : function( contents )
725 		{
726 			var pageHtml = [],
727 				titleHtml = contents.label ? ' title="' + CKEDITOR.tools.htmlEncode( contents.label ) + '"' : '',
728 				elements = contents.elements,
729 				vbox = CKEDITOR.dialog._.uiElementBuilders.vbox.build( this,
730 						{
731 							type : 'vbox',
732 							className : 'cke_dialog_page_contents',
733 							children : contents.elements,
734 							expand : !!contents.expand
735 						}, pageHtml );
736
737 			// Create the HTML for the tab and the content block.
738 			var page = CKEDITOR.dom.element.createFromHtml( pageHtml.join( '' ) );
739 			var tab = CKEDITOR.dom.element.createFromHtml( [
740 					'<table><tbody><tr><td class="cke_dialog_tab">',
741 					'<a href="javascript: void(0)"', titleHtml, ' style="display: block; outline: none;" hidefocus="true">',
742 					'<table border="0" cellspacing="0" cellpadding="0"><tbody><tr>',
743 						'<td class="cke_dialog_tab_left"></td>',
744 						'<td class="cke_dialog_tab_center">',
745 							CKEDITOR.tools.htmlEncode( contents.label.replace( / /g, '\xa0' ) ),
746 						'</td>',
747 						'<td class="cke_dialog_tab_right"></td>',
748 					'</tr></tbody></table></a></td></tr></tbody></table>'
749 				].join( '' ) );
750 			tab = tab.getChild( [0,0,0] );
751
752 			// First and last tab styles classes.
753 			if ( this._.lastTab )
754 				this._.lastTab.removeClass( 'last' );
755 			tab.addClass( this._.pageCount > 0 ? 'last' : 'first' );
756
757 			// If only a single page exist, a different style is used in the central pane.
758 			if ( this._.pageCount === 0 )
759 				this.parts.c.addClass( 'single_page' );
760 			else
761 				this.parts.c.removeClass( 'single_page' );
762
763 			// Take records for the tabs and elements created.
764 			this._.tabs[ contents.id ] = [ tab, page ];
765 			this._.tabIdList.push( contents.id );
766 			this._.pageCount++;
767 			this._.lastTab = tab;
768 			var contentMap = this._.contents[ contents.id ] = {},
769 				cursor,
770 				children = vbox.getChild();
771 			while ( ( cursor = children.shift() ) )
772 			{
773 				contentMap[ cursor.id ] = cursor;
774 				if ( typeof( cursor.getChild ) == 'function' )
775 					children.push.apply( children, cursor.getChild() );
776 			}
777
778 			// Attach the DOM nodes.
779 			tab.unselectable();
780 			page.appendTo( this.parts.contents );
781 			tab.insertBefore( this.parts.tabs.getChild( this.parts.tabs.getChildCount() - 1 ) );
782 			tab.setAttribute( 'id', contents.id + '_' + CKEDITOR.tools.getNextNumber() );
783 			page.setAttribute( 'name', contents.id );
784
785 			// Add access key handlers if access key is defined.
786 			if ( contents.accessKey )
787 			{
788 				registerAccessKey( this, this, 'CTRL+' + contents.accessKey,
789 					tabAccessKeyDown, tabAccessKeyUp );
790 				this._.accessKeyMap[ 'CTRL+' + contents.accessKey ] = contents.id;
791 			}
792 		},
793
794 		/**
795 		 * Activates a tab page in the dialog by its id.
796 		 * @param {String} id The id of the dialog tab to be activated.
797 		 * @example
798 		 * dialogObj.selectPage( 'tab_1' );
799 		 */
800 		selectPage : function( id )
801 		{
802 			// Hide the non-selected tabs and pages.
803 			for ( var i in this._.tabs )
804 			{
805 				var tab = this._.tabs[i][0],
806 					page = this._.tabs[i][1];
807 				if ( i != id )
808 				{
809 					tab.removeClass( 'cke_dialog_tab_selected' );
810 					page.hide();
811 				}
812 			}
813
814 			var selected = this._.tabs[id];
815 			selected[0].addClass( 'cke_dialog_tab_selected' );
816 			selected[1].show();
817 			this._.currentTabId = id;
818 			this._.currentTabIndex = CKEDITOR.tools.indexOf( this._.tabIdList, id );
819 		},
820
821 		/**
822 		 * Hides a page's tab away from the dialog.
823 		 * @param {String} id The page's Id.
824 		 * @example
825 		 * dialog.hidePage( 'tab_3' );
826 		 */
827 		hidePage : function( id )
828 		{
829 			var tab = this._.tabs[id] && this._.tabs[id][0];
830 			if ( !tab )
831 				return;
832 			tab.hide();
833 		},
834
835 		/**
836 		 * Unhides a page's tab.
837 		 * @param {String} id The page's Id.
838 		 * @example
839 		 * dialog.showPage( 'tab_2' );
840 		 */
841 		showPage : function( id )
842 		{
843 			var tab = this._.tabs[id] && this._.tabs[id][0];
844 			if ( !tab )
845 				return;
846 			tab.show();
847 		},
848
849 		/**
850 		 * Gets the root DOM element of the dialog.
851 		 * @returns {CKEDITOR.dom.element} The <span> element containing this dialog.
852 		 * @example
853 		 * var dialogElement = dialogObj.getElement().getFirst();
854 		 * dialogElement.setStyle( 'padding', '5px' );
855 		 */
856 		getElement : function()
857 		{
858 			return this._.element;
859 		},
860
861 		/**
862 		 * Gets a dialog UI element object from a dialog page.
863 		 * @param {String} pageId id of dialog page.
864 		 * @param {String} elementId id of UI element.
865 		 * @example
866 		 * @returns {CKEDITOR.ui.dialog.uiElement} The dialog UI element.
867 		 */
868 		getContentElement : function( pageId, elementId )
869 		{
870 			return this._.contents[pageId][elementId];
871 		},
872
873 		/**
874 		 * Gets the value of a dialog UI element.
875 		 * @param {String} pageId id of dialog page.
876 		 * @param {String} elementId id of UI element.
877 		 * @example
878 		 * @returns {Object} The value of the UI element.
879 		 */
880 		getValueOf : function( pageId, elementId )
881 		{
882 			return this.getContentElement( pageId, elementId ).getValue();
883 		},
884
885 		/**
886 		 * Sets the value of a dialog UI element.
887 		 * @param {String} pageId id of the dialog page.
888 		 * @param {String} elementId id of the UI element.
889 		 * @param {Object} value The new value of the UI element.
890 		 * @example
891 		 */
892 		setValueOf : function( pageId, elementId, value )
893 		{
894 			return this.getContentElement( pageId, elementId ).setValue( value );
895 		},
896
897 		/**
898 		 * Gets the UI element of a button in the dialog's button row.
899 		 * @param {String} id The id of the button.
900 		 * @example
901 		 * @returns {CKEDITOR.ui.dialog.button} The button object.
902 		 */
903 		getButton : function( id )
904 		{
905 			return this._.buttons[ id ];
906 		},
907
908 		/**
909 		 * Simulates a click to a dialog button in the dialog's button row.
910 		 * @param {String} id The id of the button.
911 		 * @example
912 		 * @returns The return value of the dialog's "click" event.
913 		 */
914 		click : function( id )
915 		{
916 			return this._.buttons[ id ].click();
917 		},
918
919 		/**
920 		 * Disables a dialog button.
921 		 * @param {String} id The id of the button.
922 		 * @example
923 		 */
924 		disableButton : function( id )
925 		{
926 			return this._.buttons[ id ].disable();
927 		},
928
929 		/**
930 		 * Enables a dialog button.
931 		 * @param {String} id The id of the button.
932 		 * @example
933 		 */
934 		enableButton : function( id )
935 		{
936 			return this._.buttons[ id ].enable();
937 		},
938
939 		/**
940 		 * Gets the number of pages in the dialog.
941 		 * @returns {Number} Page count.
942 		 */
943 		getPageCount : function()
944 		{
945 			return this._.pageCount;
946 		},
947
948 		/**
949 		 * Gets the editor instance which opened this dialog.
950 		 * @returns {CKEDITOR.editor} Parent editor instances.
951 		 */
952 		getParentEditor : function()
953 		{
954 			return this._.editor;
955 		},
956
957 		/**
958 		 * Saves the current selection position in the editor.
959 		 * This function is automatically called when a non-nested dialog is opened,
960 		 * but it may also be called by event handlers in dialog definition.
961 		 * @example
962 		 */
963 		saveSelection : function()
964 		{
965 			if ( this._.editor.mode )
966 			{
967 				this._.editor.focus();
968
969 				var selection = new CKEDITOR.dom.selection( this._.editor.document );
970 				this._.selectedRanges = selection.getRanges();
971 				this._.selectedElement = selection.getSelectedElement();
972 			}
973 		},
974
975 		/**
976 		 * Clears the saved selection in the dialog object.
977 		 * This function should be called if the dialog's code has already changed the
978 		 * current selection position because the dialog closed. (e.g. at onOk())
979 		 * @example
980 		 */
981 		clearSavedSelection : function()
982 		{
983 			delete this._.selectedRanges;
984 			delete this._.selectedElement;
985 		},
986
987 		/**
988 		 * Gets the saved control selection. Control selections should be retrieved
989 		 * with this function instead of from restoreSelection() because
990 		 * restoreSelection() does not properly restore control selections.
991 		 * @returns {CKEDITOR.dom.element} The element that was selected.
992 		 * @example
993 		 */
994 		getSelectedElement : function()
995 		{
996 			return this._.selectedElement;
997 		},
998
999 		/**
1000 		 * Restores the editor's selection from the previously saved position in this
1001 		 * dialog.
1002 		 * This function is automatically called when a non-nested dialog is closed,
1003 		 * but it may also be called by event handlers in dialog definition.
1004 		 * @example
1005 		 */
1006 		restoreSelection : function()
1007 		{
1008 			if ( this._.editor.mode && this._.selectedRanges )
1009 				( new CKEDITOR.dom.selection( this._.editor.document ) ).selectRanges( this._.selectedRanges );
1010 		}
1011 	};
1012
1013 	CKEDITOR.tools.extend( CKEDITOR.dialog,
1014 		/**
1015 		 * @lends CKEDITOR.dialog
1016 		 */
1017 		{
1018 			/**
1019 			 * Registers a dialog.
1020 			 * @param {String} name The dialog's name.
1021 			 * @param {Function|String} dialogDefinition
1022 			 * A function returning the dialog's definition, or the URL to the .js file holding the function.
1023 			 * The function should accept an argument "editor" which is the current editor instance, and
1024 			 * return an object conforming to {@link CKEDITOR.dialog.dialogDefinition}.
1025 			 * @example
1026 			 * @see CKEDITOR.dialog.dialogDefinition
1027 			 */
1028 			add : function( name, dialogDefinition )
1029 			{
1030 				// Avoid path registration from multiple instances override definition.
1031 				if ( !this._.dialogDefinitions[name]
1032 					|| typeof  dialogDefinition == 'function' )
1033 					this._.dialogDefinitions[name] = dialogDefinition;
1034 			},
1035
1036 			exists : function( name )
1037 			{
1038 				return !!this._.dialogDefinitions[ name ];
1039 			},
1040
1041 			getCurrent : function()
1042 			{
1043 				return CKEDITOR.dialog._.currentTop;
1044 			},
1045
1046 			/**
1047 			 * The default OK button for dialogs. Fires the "ok" event and closes the dialog if the event succeeds.
1048 			 * @static
1049 			 * @field
1050 			 * @example
1051 			 * @type Function
1052 			 */
1053 			okButton : (function()
1054 			{
1055 				var retval = function( editor, override )
1056 				{
1057 					override = override || {};
1058 					return CKEDITOR.tools.extend( {
1059 						id : 'ok',
1060 						type : 'button',
1061 						label : editor.lang.common.ok,
1062 						style : 'width: 60px',
1063 						onClick : function( evt )
1064 						{
1065 							var dialog = evt.data.dialog;
1066 							if ( dialog.fire( 'ok', { hide : true } ).hide !== false )
1067 								dialog.hide();
1068 						}
1069 					}, override, true );
1070 				};
1071 				retval.type = 'button';
1072 				retval.override = function( override )
1073 				{
1074 					return CKEDITOR.tools.extend( function( editor ){ return retval( editor, override ); },
1075 							{ type : 'button' }, true );
1076 				};
1077 				return retval;
1078 			})(),
1079
1080 			/**
1081 			 * The default cancel button for dialogs. Fires the "cancel" event and closes the dialog if no UI element value changed.
1082 			 * @static
1083 			 * @field
1084 			 * @example
1085 			 * @type Function
1086 			 */
1087 			cancelButton : (function()
1088 			{
1089 				var retval = function( editor, override )
1090 				{
1091 					override = override || {};
1092 					return CKEDITOR.tools.extend( {
1093 						id : 'cancel',
1094 						type : 'button',
1095 						label : editor.lang.common.cancel,
1096 						style : 'width: 60px',
1097 						onClick : function( evt )
1098 						{
1099 							var dialog = evt.data.dialog;
1100 							if ( dialog.fire( 'cancel', { hide : true } ).hide !== false )
1101 								dialog.hide();
1102 						}
1103 					}, override, true );
1104 				};
1105 				retval.type = 'button';
1106 				retval.override = function( override )
1107 				{
1108 					return CKEDITOR.tools.extend( function( editor ){ return retval( editor, override ); },
1109 							{ type : 'button' }, true );
1110 				};
1111 				return retval;
1112 			})(),
1113
1114 			/**
1115 			 * Registers a dialog UI element.
1116 			 * @param {String} typeName The name of the UI element.
1117 			 * @param {Function} builder The function to build the UI element.
1118 			 * @example
1119 			 */
1120 			addUIElement : function( typeName, builder )
1121 			{
1122 				this._.uiElementBuilders[typeName] = builder;
1123 			},
1124
1125 			/**
1126 			 * Sets the width of margins of dialogs, which is used for the dialog moving and resizing logic.
1127 			 * The margin here means the area between the dialog's container <div> and the visual boundary of the dialog.
1128 			 * Typically this area is used for dialog shadows.
1129 			 * This function is typically called in a skin's JavaScript files.
1130 			 * @param {Number} top The top margin in pixels.
1131 			 * @param {Number} right The right margin in pixels.
1132 			 * @param {Number} bottom The bottom margin in pixels.
1133 			 * @param {Number} left The left margin in pixels.
1134 			 * @example
1135 			 */
1136 			setMargins : function( top, right, bottom, left )
1137 			{
1138 				this._.margins = [ top, right, bottom, left ];
1139 			}
1140 		});
1141
1142 	CKEDITOR.dialog._ =
1143 	{
1144 		uiElementBuilders : {},
1145
1146 		dialogDefinitions : {},
1147
1148 		currentTop : null,
1149
1150 		currentZIndex : null,
1151
1152 		margins : [0, 0, 0, 0]
1153 	};
1154
1155 	// "Inherit" (copy actually) from CKEDITOR.event.
1156 	CKEDITOR.event.implementOn( CKEDITOR.dialog );
1157 	CKEDITOR.event.implementOn( CKEDITOR.dialog.prototype, true );
1158
1159 	var defaultDialogDefinition =
1160 	{
1161 		resizable : CKEDITOR.DIALOG_RESIZE_NONE,
1162 		minWidth : 600,
1163 		minHeight : 400,
1164 		buttons : [ CKEDITOR.dialog.okButton, CKEDITOR.dialog.cancelButton ]
1165 	};
1166
1167 	// Tool function used to return an item from an array based on its id
1168 	// property.
1169 	var getById = function( array, id, recurse )
1170 	{
1171 		for ( var i = 0, item ; ( item = array[ i ] ) ; i++ )
1172 		{
1173 			if ( item.id == id )
1174 				return item;
1175 			if ( recurse && item[ recurse ] )
1176 			{
1177 				var retval = getById( item[ recurse ], id, recurse ) ;
1178 				if ( retval )
1179 					return retval;
1180 			}
1181 		}
1182 		return null;
1183 	};
1184
1185 	// Tool function used to add an item into an array.
1186 	var addById = function( array, newItem, nextSiblingId, recurse, nullIfNotFound )
1187 	{
1188 		if ( nextSiblingId )
1189 		{
1190 			for ( var i = 0, item ; ( item = array[ i ] ) ; i++ )
1191 			{
1192 				if ( item.id == nextSiblingId )
1193 				{
1194 					array.splice( i, 0, newItem );
1195 					return newItem;
1196 				}
1197
1198 				if ( recurse && item[ recurse ] )
1199 				{
1200 					var retval = addById( item[ recurse ], newItem, nextSiblingId, recurse, true );
1201 					if ( retval )
1202 						return retval;
1203 				}
1204 			}
1205
1206 			if ( nullIfNotFound )
1207 				return null;
1208 		}
1209
1210 		array.push( newItem );
1211 		return newItem;
1212 	};
1213
1214 	// Tool function used to remove an item from an array based on its id.
1215 	var removeById = function( array, id, recurse )
1216 	{
1217 		for ( var i = 0, item ; ( item = array[ i ] ) ; i++ )
1218 		{
1219 			if ( item.id == id )
1220 				return array.splice( i, 1 );
1221 			if ( recurse && item[ recurse ] )
1222 			{
1223 				var retval = removeById( item[ recurse ], id, recurse );
1224 				if ( retval )
1225 					return retval;
1226 			}
1227 		}
1228 		return null;
1229 	};
1230
1231 	/**
1232 	 * This class is not really part of the API. It is the "definition" property value
1233 	 * passed to "dialogDefinition" event handlers.
1234 	 * @constructor
1235 	 * @name CKEDITOR.dialog.dialogDefinitionObject
1236 	 * @extends CKEDITOR.dialog.dialogDefinition
1237 	 * @example
1238 	 * CKEDITOR.on( 'dialogDefinition', function( evt )
1239 	 * 	{
1240 	 * 		var definition = evt.data.definition;
1241 	 * 		var content = definition.getContents( 'page1' );
1242 	 * 		...
1243 	 * 	} );
1244 	 */
1245 	var definitionObject = function( dialog, dialogDefinition )
1246 	{
1247 		// TODO : Check if needed.
1248 		this.dialog = dialog;
1249
1250 		// Transform the contents entries in contentObjects.
1251 		var contents = dialogDefinition.contents;
1252 		for ( var i = 0, content ; ( content = contents[i] ) ; i++ )
1253 			contents[ i ] = new contentObject( dialog, content );
1254
1255 		CKEDITOR.tools.extend( this, dialogDefinition );
1256 	};
1257
1258 	definitionObject.prototype =
1259 	/** @lends CKEDITOR.dialog.dialogDefinitionObject.prototype */
1260 	{
1261 		/**
1262 		 * Gets a content definition.
1263 		 * @param {String} id The id of the content definition.
1264 		 * @returns {CKEDITOR.dialog.contentDefinition} The content definition
1265 		 *		matching id.
1266 		 */
1267 		getContents : function( id )
1268 		{
1269 			return getById( this.contents, id );
1270 		},
1271
1272 		/**
1273 		 * Gets a button definition.
1274 		 * @param {String} id The id of the button definition.
1275 		 * @returns {CKEDITOR.dialog.buttonDefinition} The button definition
1276 		 *		matching id.
1277 		 */
1278 		getButton : function( id )
1279 		{
1280 			return getById( this.buttons, id );
1281 		},
1282
1283 		/**
1284 		 * Adds a content definition object under this dialog definition.
1285 		 * @param {CKEDITOR.dialog.contentDefinition} contentDefinition The
1286 		 *		content definition.
1287 		 * @param {String} [nextSiblingId] The id of an existing content
1288 		 *		definition which the new content definition will be inserted
1289 		 *		before. Omit if the new content definition is to be inserted as
1290 		 *		the last item.
1291 		 * @returns {CKEDITOR.dialog.contentDefinition} The inserted content
1292 		 *		definition.
1293 		 */
1294 		addContents : function( contentDefinition, nextSiblingId )
1295 		{
1296 			return addById( this.contents, contentDefinition, nextSiblingId );
1297 		},
1298
1299 		/**
1300 		 * Adds a button definition object under this dialog definition.
1301 		 * @param {CKEDITOR.dialog.buttonDefinition} buttonDefinition The
1302 		 *		button definition.
1303 		 * @param {String} [nextSiblingId] The id of an existing button
1304 		 *		definition which the new button definition will be inserted
1305 		 *		before. Omit if the new button definition is to be inserted as
1306 		 *		the last item.
1307 		 * @returns {CKEDITOR.dialog.buttonDefinition} The inserted button
1308 		 *		definition.
1309 		 */
1310 		addButton : function( buttonDefinition, nextSiblingId )
1311 		{
1312 			return addById( this.buttons, buttonDefinition, nextSiblingId );
1313 		},
1314
1315 		/**
1316 		 * Removes a content definition from this dialog definition.
1317 		 * @param {String} id The id of the content definition to be removed.
1318 		 * @returns {CKEDITOR.dialog.contentDefinition} The removed content
1319 		 *		definition.
1320 		 */
1321 		removeContents : function( id )
1322 		{
1323 			removeById( this.contents, id );
1324 		},
1325
1326 		/**
1327 		 * Removes a button definition from the dialog definition.
1328 		 * @param {String} id The id of the button definition to be removed.
1329 		 * @returns {CKEDITOR.dialog.buttonDefinition} The removed button
1330 		 *		definition.
1331 		 */
1332 		removeButton : function( id )
1333 		{
1334 			removeById( this.buttons, id );
1335 		}
1336 	};
1337
1338 	/**
1339 	 * This class is not really part of the API. It is the template of the
1340 	 * objects representing content pages inside the
1341 	 * CKEDITOR.dialog.dialogDefinitionObject.
1342 	 * @constructor
1343 	 * @name CKEDITOR.dialog.contentDefinitionObject
1344 	 * @example
1345 	 * CKEDITOR.on( 'dialogDefinition', function( evt )
1346 	 * 	{
1347 	 * 		var definition = evt.data.definition;
1348 	 * 		var content = definition.getContents( 'page1' );
1349 	 *		content.remove( 'textInput1' );
1350 	 * 		...
1351 	 * 	} );
1352 	 */
1353 	var contentObject = function( dialog, contentDefinition )
1354 	{
1355 		this._ =
1356 		{
1357 			dialog : dialog
1358 		};
1359
1360 		CKEDITOR.tools.extend( this, contentDefinition );
1361 	};
1362
1363 	contentObject.prototype =
1364 	/** @lends CKEDITOR.dialog.contentDefinitionObject.prototype */
1365 	{
1366 		/**
1367 		 * Gets a UI element definition under the content definition.
1368 		 * @param {String} id The id of the UI element definition.
1369 		 * @returns {CKEDITOR.dialog.uiElementDefinition}
1370 		 */
1371 		get : function( id )
1372 		{
1373 			return getById( this.elements, id, 'children' );
1374 		},
1375
1376 		/**
1377 		 * Adds a UI element definition to the content definition.
1378 		 * @param {CKEDITOR.dialog.uiElementDefinition} elementDefinition The
1379 		 *		UI elemnet definition to be added.
1380 		 * @param {String} nextSiblingId The id of an existing UI element
1381 		 *		definition which the new UI element definition will be inserted
1382 		 *		before. Omit if the new button definition is to be inserted as
1383 		 *		the last item.
1384 		 * @returns {CKEDITOR.dialog.uiElementDefinition} The element
1385 		 *		definition inserted.
1386 		 */
1387 		add : function( elementDefinition, nextSiblingId )
1388 		{
1389 			return addById( this.elements, elementDefinition, nextSiblingId, 'children' );
1390 		},
1391
1392 		/**
1393 		 * Removes a UI element definition from the content definition.
1394 		 * @param {String} id The id of the UI element definition to be
1395 		 *		removed.
1396 		 * @returns {CKEDITOR.dialog.uiElementDefinition} The element
1397 		 *		definition removed.
1398 		 * @example
1399 		 */
1400 		remove : function( id )
1401 		{
1402 			removeById( this.elements, id, 'children' );
1403 		}
1404 	};
1405
1406 	var initDragAndDrop = function( dialog )
1407 	{
1408 		var lastCoords = null,
1409 			abstractDialogCoords = null,
1410 			element = dialog.getElement().getFirst(),
1411 			magnetDistance = dialog._.editor.config.dialog_magnetDistance,
1412 			mouseMoveHandler = function( evt )
1413 			{
1414 				var dialogSize = dialog.getSize(),
1415 					viewPaneSize = CKEDITOR.document.getWindow().getViewPaneSize(),
1416 					x = evt.data.$.screenX,
1417 					y = evt.data.$.screenY,
1418 					dx = x - lastCoords.x,
1419 					dy = y - lastCoords.y,
1420 					realX, realY;
1421
1422 				lastCoords = { x : x, y : y };
1423 				abstractDialogCoords.x += dx;
1424 				abstractDialogCoords.y += dy;
1425
1426 				if ( abstractDialogCoords.x + CKEDITOR.dialog._.margins[3] < magnetDistance )
1427 					realX = - CKEDITOR.dialog._.margins[3];
1428 				else if ( abstractDialogCoords.x - CKEDITOR.dialog._.margins[1] > viewPaneSize.width - dialogSize.width - magnetDistance )
1429 					realX = viewPaneSize.width - dialogSize.width + CKEDITOR.dialog._.margins[1];
1430 				else
1431 					realX = abstractDialogCoords.x;
1432
1433 				if ( abstractDialogCoords.y + CKEDITOR.dialog._.margins[0] < magnetDistance )
1434 					realY = - CKEDITOR.dialog._.margins[0];
1435 				else if ( abstractDialogCoords.y - CKEDITOR.dialog._.margins[2] > viewPaneSize.height - dialogSize.height - magnetDistance )
1436 					realY = viewPaneSize.height - dialogSize.height + CKEDITOR.dialog._.margins[2];
1437 				else
1438 					realY = abstractDialogCoords.y;
1439
1440 				dialog.move( realX, realY );
1441
1442 				evt.data.preventDefault();
1443 			},
1444 			mouseUpHandler = function( evt )
1445 			{
1446 				CKEDITOR.document.removeListener( 'mousemove', mouseMoveHandler );
1447 				CKEDITOR.document.removeListener( 'mouseup', mouseUpHandler );
1448
1449 				if ( CKEDITOR.env.ie6Compat )
1450 				{
1451 					var coverDoc = new CKEDITOR.dom.document( frames( 'cke_dialog_background_iframe' ).document );
1452 					coverDoc.removeListener( 'mousemove', mouseMoveHandler );
1453 					coverDoc.removeListener( 'mouseup', mouseUpHandler );
1454 				}
1455 			};
1456
1457 		dialog.parts.title.on( 'mousedown', function( evt )
1458 				{
1459 					lastCoords = { x : evt.data.$.screenX, y : evt.data.$.screenY };
1460
1461 					CKEDITOR.document.on( 'mousemove', mouseMoveHandler );
1462 					CKEDITOR.document.on( 'mouseup', mouseUpHandler );
1463 					abstractDialogCoords = dialog.getPosition();
1464
1465 					if ( CKEDITOR.env.ie6Compat )
1466 					{
1467 						var coverDoc = new CKEDITOR.dom.document( frames( 'cke_dialog_background_iframe' ).document );
1468 						coverDoc.on( 'mousemove', mouseMoveHandler );
1469 						coverDoc.on( 'mouseup', mouseUpHandler );
1470 					}
1471
1472 					evt.data.preventDefault();
1473 				}, dialog );
1474 	};
1475
1476 	var initResizeHandles = function( dialog )
1477 	{
1478 		var definition = dialog.definition,
1479 			minWidth = definition.minWidth || 0,
1480 			minHeight = definition.minHeight || 0,
1481 			resizable = definition.resizable,
1482 			topSizer = function( coords, dy )
1483 			{
1484 				coords.y += dy;
1485 			},
1486 			rightSizer = function( coords, dx )
1487 			{
1488 				coords.x2 += dx;
1489 			},
1490 			bottomSizer = function( coords, dy )
1491 			{
1492 				coords.y2 += dy;
1493 			},
1494 			leftSizer = function( coords, dx )
1495 			{
1496 				coords.x += dx;
1497 			},
1498 			lastCoords = null,
1499 			abstractDialogCoords = null,
1500 			magnetDistance = dialog._.editor.config.magnetDistance,
1501 			parts = [ 'tl', 't', 'tr', 'l', 'r', 'bl', 'b', 'br' ],
1502 			mouseDownHandler = function( evt )
1503 			{
1504 				var partName = evt.listenerData.part, size = dialog.getSize();
1505 				abstractDialogCoords = dialog.getPosition();
1506 				CKEDITOR.tools.extend( abstractDialogCoords,
1507 					{
1508 						x2 : abstractDialogCoords.x + size.width,
1509 						y2 : abstractDialogCoords.y + size.height
1510 					} );
1511 				lastCoords = { x : evt.data.$.screenX, y : evt.data.$.screenY };
1512
1513 				CKEDITOR.document.on( 'mousemove', mouseMoveHandler, dialog, { part : partName } );
1514 				CKEDITOR.document.on( 'mouseup', mouseUpHandler, dialog, { part : partName } );
1515
1516 				if ( CKEDITOR.env.ie6Compat )
1517 				{
1518 					var coverDoc = new CKEDITOR.dom.document( frames( 'cke_dialog_background_iframe' ).document );
1519 					coverDoc.on( 'mousemove', mouseMoveHandler, dialog, { part : partName } );
1520 					coverDoc.on( 'mouseup', mouseUpHandler, dialog, { part : partName } );
1521 				}
1522
1523 				evt.data.preventDefault();
1524 			},
1525 			mouseMoveHandler = function( evt )
1526 			{
1527 				var x = evt.data.$.screenX,
1528 					y = evt.data.$.screenY,
1529 					dx = x - lastCoords.x,
1530 					dy = y - lastCoords.y,
1531 					viewPaneSize = CKEDITOR.document.getWindow().getViewPaneSize(),
1532 					partName = evt.listenerData.part;
1533
1534 				if ( partName.search( 't' ) != -1 )
1535 					topSizer( abstractDialogCoords, dy );
1536 				if ( partName.search( 'l' ) != -1 )
1537 					leftSizer( abstractDialogCoords, dx );
1538 				if ( partName.search( 'b' ) != -1 )
1539 					bottomSizer( abstractDialogCoords, dy );
1540 				if ( partName.search( 'r' ) != -1 )
1541 					rightSizer( abstractDialogCoords, dx );
1542
1543 				lastCoords = { x : x, y : y };
1544
1545 				var realX, realY, realX2, realY2;
1546
1547 				if ( abstractDialogCoords.x + CKEDITOR.dialog._.margins[3] < magnetDistance )
1548 					realX = - CKEDITOR.dialog._.margins[3];
1549 				else if ( partName.search( 'l' ) != -1 && abstractDialogCoords.x2 - abstractDialogCoords.x < minWidth + magnetDistance )
1550 					realX = abstractDialogCoords.x2 - minWidth;
1551 				else
1552 					realX = abstractDialogCoords.x;
1553
1554 				if ( abstractDialogCoords.y + CKEDITOR.dialog._.margins[0] < magnetDistance )
1555 					realY = - CKEDITOR.dialog._.margins[0];
1556 				else if ( partName.search( 't' ) != -1 && abstractDialogCoords.y2 - abstractDialogCoords.y < minHeight + magnetDistance )
1557 					realY = abstractDialogCoords.y2 - minHeight;
1558 				else
1559 					realY = abstractDialogCoords.y;
1560
1561 				if ( abstractDialogCoords.x2 - CKEDITOR.dialog._.margins[1] > viewPaneSize.width - magnetDistance )
1562 					realX2 = viewPaneSize.width + CKEDITOR.dialog._.margins[1] ;
1563 				else if ( partName.search( 'r' ) != -1 && abstractDialogCoords.x2 - abstractDialogCoords.x < minWidth + magnetDistance )
1564 					realX2 = abstractDialogCoords.x + minWidth;
1565 				else
1566 					realX2 = abstractDialogCoords.x2;
1567
1568 				if ( abstractDialogCoords.y2 - CKEDITOR.dialog._.margins[2] > viewPaneSize.height - magnetDistance )
1569 					realY2= viewPaneSize.height + CKEDITOR.dialog._.margins[2] ;
1570 				else if ( partName.search( 'b' ) != -1 && abstractDialogCoords.y2 - abstractDialogCoords.y < minHeight + magnetDistance )
1571 					realY2 = abstractDialogCoords.y + minHeight;
1572 				else
1573 					realY2 = abstractDialogCoords.y2 ;
1574
1575 				dialog.move( realX, realY );
1576 				dialog.resize( realX2 - realX, realY2 - realY );
1577
1578 				evt.data.preventDefault();
1579 			},
1580 			mouseUpHandler = function( evt )
1581 			{
1582 				CKEDITOR.document.removeListener( 'mouseup', mouseUpHandler );
1583 				CKEDITOR.document.removeListener( 'mousemove', mouseMoveHandler );
1584
1585 				if ( CKEDITOR.env.ie6Compat )
1586 				{
1587 					var coverDoc = new CKEDITOR.dom.document( frames( 'cke_dialog_background_iframe' ).document );
1588 					coverDoc.removeListener( 'mouseup', mouseUpHandler );
1589 					coverDoc.removeListener( 'mousemove', mouseMoveHandler );
1590 				}
1591 			};
1592
1593 		var widthTest = /[lr]/,
1594 			heightTest = /[tb]/;
1595 		for ( var i = 0 ; i < parts.length ; i++ )
1596 		{
1597 			var element = dialog.parts[ parts[i] + '_resize' ];
1598 			if ( resizable == CKEDITOR.DIALOG_RESIZE_NONE ||
1599 					resizable == CKEDITOR.DIALOG_RESIZE_HEIGHT && widthTest.test( parts[i] ) ||
1600 			  		resizable == CKEDITOR.DIALOG_RESIZE_WIDTH && heightTest.test( parts[i] ) )
1601 			{
1602 				element.hide();
1603 				continue;
1604 			}
1605 			element.on( 'mousedown', mouseDownHandler, dialog, { part : parts[i] } );
1606 		}
1607 	};
1608
1609 	var resizeCover;
1610
1611 	var addCover = function( editor )
1612 	{
1613 		var win = CKEDITOR.document.getWindow();
1614
1615 		var html = [
1616 				'<div style="position: ', ( CKEDITOR.env.ie6Compat ? 'absolute' : 'fixed' ),
1617 				'; z-index: ', editor.config.baseFloatZIndex,
1618 				'; top: 0px; left: 0px; ',
1619 				'background-color: ', editor.config.dialog_backgroundCoverColor,
1620 				'" id="cke_dialog_background_cover">'
1621 			];
1622
1623 		if ( CKEDITOR.env.ie6Compat )
1624 		{
1625 			html.push( '<iframe hidefocus="true" frameborder="0" name="cke_dialog_background_iframe" src="javascript: \'\'" ',
1626 					'style="position: absolute; left: 0px; top: 0px; width: 100%; height: 100%; ',
1627 					'progid:DXImageTransform.Microsoft.Alpha(opacity=0)" ></iframe>' );
1628 		}
1629
1630 		html.push( '</div>' );
1631
1632 		var element = CKEDITOR.dom.element.createFromHtml( html.join( '' ) );
1633
1634 		var resizeFunc = function()
1635 		{
1636 			var size = win.getViewPaneSize();
1637 			element.setStyles(
1638 					{
1639 						width : size.width + 'px',
1640 						height : size.height + 'px'
1641 					});
1642 		};
1643
1644 		var scrollFunc = function()
1645 		{
1646 			var pos = win.getScrollPosition(),
1647 				cursor = CKEDITOR.dialog._.currentTop;
1648 			element.setStyles(
1649 					{
1650 						left : pos.x + 'px',
1651 						top : pos.y + 'px'
1652 					});
1653
1654 			do
1655 			{
1656 				var dialogPos = cursor.getPosition();
1657 				cursor.move( dialogPos.x, dialogPos.y );
1658 			} while( ( cursor = cursor._.parentDialog ) );
1659 		};
1660
1661 		resizeCover = resizeFunc;
1662 		win.on( 'resize', resizeFunc );
1663 		resizeFunc();
1664 		if ( CKEDITOR.env.ie6Compat )
1665 		{
1666 			// IE BUG: win.$.onscroll assignment doesn't work.. it must be window.onscroll.
1667 			// So we need to invent a really funny way to make it work.
1668 			var myScrollHandler = function()
1669 				{
1670 					scrollFunc();
1671 					arguments.callee.prevScrollHandler.apply( this, arguments );
1672 				};
1673 			win.$.setTimeout( function()
1674 				{
1675 					myScrollHandler.prevScrollHandler = window.onscroll || function(){};
1676 					window.onscroll = myScrollHandler;
1677 				}, 0 );
1678 			scrollFunc();
1679 		}
1680 		element.setOpacity( editor.config.dialog_backgroundCoverOpacity );
1681 		element.appendTo( CKEDITOR.document.getBody() );
1682 	};
1683
1684 	var removeCover = function()
1685 	{
1686 		var element = CKEDITOR.document.getById( 'cke_dialog_background_cover' ),
1687 			win = CKEDITOR.document.getWindow();
1688 		if ( element )
1689 		{
1690 			element.remove();
1691 			win.removeListener( 'resize', resizeCover );
1692
1693 			if ( CKEDITOR.env.ie6Compat )
1694 			{
1695 				win.$.setTimeout( function()
1696 					{
1697 						var prevScrollHandler = window.onscroll && window.onscroll.prevScrollHandler;
1698 						window.onscroll = prevScrollHandler || null;
1699 					}, 0 );
1700 			}
1701 			resizeCover = null;
1702 		}
1703 	};
1704
1705 	var accessKeyProcessors = {};
1706
1707 	var accessKeyDownHandler = function( evt )
1708 	{
1709 		var ctrl = evt.data.$.ctrlKey || evt.data.$.metaKey,
1710 			alt = evt.data.$.altKey,
1711 			shift = evt.data.$.shiftKey,
1712 			key = String.fromCharCode( evt.data.$.keyCode ),
1713 			keyProcessor = accessKeyProcessors[( ctrl ? 'CTRL+' : '' ) + ( alt ? 'ALT+' : '') + ( shift ? 'SHIFT+' : '' ) + key];
1714
1715 		if ( !keyProcessor || !keyProcessor.length )
1716 			return;
1717
1718 		keyProcessor = keyProcessor[keyProcessor.length - 1];
1719 		keyProcessor.keydown && keyProcessor.keydown.call( keyProcessor.uiElement, keyProcessor.dialog, keyProcessor.key );
1720 		evt.data.preventDefault();
1721 	};
1722
1723 	var accessKeyUpHandler = function( evt )
1724 	{
1725 		var ctrl = evt.data.$.ctrlKey || evt.data.$.metaKey,
1726 			alt = evt.data.$.altKey,
1727 			shift = evt.data.$.shiftKey,
1728 			key = String.fromCharCode( evt.data.$.keyCode ),
1729 			keyProcessor = accessKeyProcessors[( ctrl ? 'CTRL+' : '' ) + ( alt ? 'ALT+' : '') + ( shift ? 'SHIFT+' : '' ) + key];
1730
1731 		if ( !keyProcessor || !keyProcessor.length )
1732 			return;
1733
1734 		keyProcessor = keyProcessor[keyProcessor.length - 1];
1735 		keyProcessor.keyup && keyProcessor.keyup.call( keyProcessor.uiElement, keyProcessor.dialog, keyProcessor.key );
1736 		evt.data.preventDefault();
1737 	};
1738
1739 	var registerAccessKey = function( uiElement, dialog, key, downFunc, upFunc )
1740 	{
1741 		var procList = accessKeyProcessors[key] || ( accessKeyProcessors[key] = [] );
1742 		procList.push( {
1743 				uiElement : uiElement,
1744 				dialog : dialog,
1745 				key : key,
1746 				keyup : upFunc || uiElement.accessKeyUp,
1747 				keydown : downFunc || uiElement.accessKeyDown
1748 			} );
1749 	};
1750
1751 	var unregisterAccessKey = function( obj )
1752 	{
1753 		for ( var i in accessKeyProcessors )
1754 		{
1755 			var list = accessKeyProcessors[i];
1756 			for ( var j = list.length - 1 ; j >= 0 ; j-- )
1757 			{
1758 				if ( list[j].dialog == obj || list[j].uiElement == obj )
1759 					list.splice( j, 1 );
1760 			}
1761 			if ( list.length === 0 )
1762 				delete accessKeyProcessors[i];
1763 		}
1764 	};
1765
1766 	var tabAccessKeyUp = function( dialog, key )
1767 	{
1768 		if ( dialog._.accessKeyMap[key] )
1769 			dialog.selectPage( dialog._.accessKeyMap[key] );
1770 	};
1771
1772 	var tabAccessKeyDown = function( dialog, key )
1773 	{
1774 	};
1775
1776 	(function()
1777 	{
1778 		CKEDITOR.ui.dialog =
1779 		{
1780 			/**
1781 			 * The base class of all dialog UI elements.
1782 			 * @constructor
1783 			 * @param {CKEDITOR.dialog} dialog Parent dialog object.
1784 			 * @param {CKEDITOR.dialog.uiElementDefinition} elementDefinition Element
1785 			 * definition. Accepted fields:
1786 			 * <ul>
1787 			 * 	<li><strong>id</strong> (Required) The id of the UI element. See {@link
1788 			 * 	CKEDITOR.dialog#getContentElement}</li>
1789 			 * 	<li><strong>type</strong> (Required) The type of the UI element. The
1790 			 * 	value to this field specifies which UI element class will be used to
1791 			 * 	generate the final widget.</li>
1792 			 * 	<li><strong>title</strong> (Optional) The popup tooltip for the UI
1793 			 * 	element.</li>
1794 			 * 	<li><strong>className</strong> (Optional) Additional CSS class names
1795 			 * 	to add to the UI element. Separated by space.</li>
1796 			 * 	<li><strong>style</strong> (Optional) Additional CSS inline styles
1797 			 * 	to add to the UI element. A semicolon (;) is required after the last
1798 			 * 	style declaration.</li>
1799 			 * 	<li><strong>accessKey</strong> (Optional) The alphanumeric access key
1800 			 * 	for this element. Access keys are automatically prefixed by CTRL.</li>
1801 			 * 	<li><strong>on*</strong> (Optional) Any UI element definition field that
1802 			 * 	starts with <em>on</em> followed immediately by a capital letter and
1803 			 * 	probably more letters is an event handler. Event handlers may be further
1804 			 * 	divided into registered event handlers and DOM event handlers. Please
1805 			 * 	refer to {@link CKEDITOR.ui.dialog.uiElement#registerEvents} and
1806 			 * 	{@link CKEDITOR.ui.dialog.uiElement#eventProcessors} for more
1807 			 * 	information.</li>
1808 			 * </ul>
1809 			 * @param {Array} htmlList
1810 			 * List of HTML code to be added to the dialog's content area.
1811 			 * @param {Function|String} nodeNameArg
1812 			 * A function returning a string, or a simple string for the node name for
1813 			 * the root DOM node. Default is 'div'.
1814 			 * @param {Function|Object} stylesArg
1815 			 * A function returning an object, or a simple object for CSS styles applied
1816 			 * to the DOM node. Default is empty object.
1817 			 * @param {Function|Object} attributesArg
1818 			 * A fucntion returning an object, or a simple object for attributes applied
1819 			 * to the DOM node. Default is empty object.
1820 			 * @param {Function|String} contentsArg
1821 			 * A function returning a string, or a simple string for the HTML code inside
1822 			 * the root DOM node. Default is empty string.
1823 			 * @example
1824 			 */
1825 			uiElement : function( dialog, elementDefinition, htmlList, nodeNameArg, stylesArg, attributesArg, contentsArg )
1826 			{
1827 				if ( arguments.length < 4 )
1828 					return;
1829
1830 				var nodeName = ( nodeNameArg.call ? nodeNameArg( elementDefinition ) : nodeNameArg ) || 'div',
1831 					html = [ '<', nodeName, ' ' ],
1832 					styles = ( stylesArg && stylesArg.call ? stylesArg( elementDefinition ) : stylesArg ) || {},
1833 					attributes = ( attributesArg && attributesArg.call ? attributesArg( elementDefinition ) : attributesArg ) || {},
1834 					innerHTML = ( contentsArg && contentsArg.call ? contentsArg( dialog, elementDefinition ) : contentsArg ) || '',
1835 					domId = this.domId = attributes.id || CKEDITOR.tools.getNextNumber() + '_uiElement',
1836 					id = this.id = elementDefinition.id,
1837 					i;
1838
1839 				// Set the id, a unique id is required for getElement() to work.
1840 				attributes.id = domId;
1841
1842 				// Set the type and definition CSS class names.
1843 				var classes = {};
1844 				if ( elementDefinition.type )
1845 					classes[ 'cke_dialog_ui_' + elementDefinition.type ] = 1;
1846 				if ( elementDefinition.className )
1847 					classes[ elementDefinition.className ] = 1;
1848 				var attributeClasses = ( attributes['class'] && attributes['class'].split ) ? attributes['class'].split( ' ' ) : [];
1849 				for ( i = 0 ; i < attributeClasses.length ; i++ )
1850 				{
1851 					if ( attributeClasses[i] )
1852 						classes[ attributeClasses[i] ] = 1;
1853 				}
1854 				var finalClasses = [];
1855 				for ( i in classes )
1856 					finalClasses.push( i );
1857 				attributes['class'] = finalClasses.join( ' ' );
1858
1859 				// Set the popup tooltop.
1860 				if ( elementDefinition.title )
1861 					attributes.title = elementDefinition.title;
1862
1863 				// Write the inline CSS styles.
1864 				var styleStr = ( elementDefinition.style || '' ).split( ';' );
1865 				for ( i in styles )
1866 					styleStr.push( i + ':' + styles[i] );
1867 				for ( i = styleStr.length - 1 ; i >= 0 ; i-- )
1868 				{
1869 					if ( styleStr[i] === '' )
1870 						styleStr.splice( i, 1 );
1871 				}
1872 				if ( styleStr.length > 0 )
1873 					attributes.style = ( attributes.style || '' ) + styleStr.join( '; ' );
1874
1875 				// Write the attributes.
1876 				for ( i in attributes )
1877 					html.push( i + '="' + CKEDITOR.tools.htmlEncode( attributes[i] ) + '" ');
1878
1879 				// Write the content HTML.
1880 				html.push( '>', innerHTML, '</', nodeName, '>' );
1881
1882 				// Add contents to the parent HTML array.
1883 				htmlList.push( html.join( '' ) );
1884
1885 				( this._ || ( this._ = {} ) ).dialog = dialog;
1886
1887 				// Override isChanged if it is defined in element definition.
1888 				if ( typeof( elementDefinition.isChanged ) == 'boolean' )
1889 					this.isChanged = function(){ return elementDefinition.isChanged; };
1890 				if ( typeof( elementDefinition.isChanged ) == 'function' )
1891 					this.isChanged = elementDefinition.isChanged;
1892
1893 				// Add events.
1894 				CKEDITOR.event.implementOn( this );
1895
1896 				this.registerEvents( elementDefinition );
1897 				if ( this.accessKeyUp && this.accessKeyDown && elementDefinition.accessKey )
1898 					registerAccessKey( this, dialog, 'CTRL+' + elementDefinition.accessKey );
1899
1900 				var me = this;
1901 				dialog.on( 'load', function()
1902 					{
1903 						if ( me.getInputElement() )
1904 						{
1905 							me.getInputElement().on( 'focus', function()
1906 								{
1907 									dialog._.tabBarMode = false;
1908 									dialog._.hasFocus = true;
1909 									me.fire( 'focus' );
1910 								}, me );
1911 						}
1912 					} );
1913
1914 				// Register the object as a tab focus if it can be included.
1915 				if ( this.keyboardFocusable )
1916 				{
1917 					this.focusIndex = dialog._.focusList.push( this ) - 1;
1918 					this.on( 'focus', function()
1919 						{
1920 							dialog._.currentFocusIndex = me.focusIndex;
1921 						} );
1922 				}
1923
1924 				// Completes this object with everything we have in the
1925 				// definition.
1926 				CKEDITOR.tools.extend( this, elementDefinition );
1927 			},
1928
1929 			/**
1930 			 * Horizontal layout box for dialog UI elements, auto-expends to available width of container.
1931 			 * @constructor
1932 			 * @extends CKEDITOR.ui.dialog.uiElement
1933 			 * @param {CKEDITOR.dialog} dialog
1934 			 * Parent dialog object.
1935 			 * @param {Array} childObjList
1936 			 * Array of {@link CKEDITOR.ui.dialog.uiElement} objects inside this
1937 			 * container.
1938 			 * @param {Array} childHtmlList
1939 			 * Array of HTML code that correspond to the HTML output of all the
1940 			 * objects in childObjList.
1941 			 * @param {Array} htmlList
1942 			 * Array of HTML code that this element will output to.
1943 			 * @param {CKEDITOR.dialog.uiElementDefinition} elementDefinition
1944 			 * The element definition. Accepted fields:
1945 			 * <ul>
1946 			 * 	<li><strong>widths</strong> (Optional) The widths of child cells.</li>
1947 			 * 	<li><strong>height</strong> (Optional) The height of the layout.</li>
1948 			 * 	<li><strong>padding</strong> (Optional) The padding width inside child
1949 			 * 	 cells.</li>
1950 			 * 	<li><strong>align</strong> (Optional) The alignment of the whole layout
1951 			 * 	</li>
1952 			 * </ul>
1953 			 * @example
1954 			 */
1955 			hbox : function( dialog, childObjList, childHtmlList, htmlList, elementDefinition )
1956 			{
1957 				if ( arguments.length < 4 )
1958 					return;
1959
1960 				this._ || ( this._ = {} );
1961
1962 				var children = this._.children = childObjList,
1963 					widths = elementDefinition && elementDefinition.widths || null,
1964 					height = elementDefinition && elementDefinition.height || null,
1965 					styles = {},
1966 					i;
1967 				/** @ignore */
1968 				var innerHTML = function()
1969 				{
1970 					var html = [ '<tbody><tr class="cke_dialog_ui_hbox">' ];
1971 					for ( i = 0 ; i < childHtmlList.length ; i++ )
1972 					{
1973 						var className = 'cke_dialog_ui_hbox_child',
1974 							styles = [];
1975 						if ( i === 0 )
1976 							className = 'cke_dialog_ui_hbox_first';
1977 						if ( i == childHtmlList.length - 1 )
1978 							className = 'cke_dialog_ui_hbox_last';
1979 						html.push( '<td class="', className, '" ' );
1980 						if ( widths )
1981 						{
1982 							if ( widths[i] )
1983 								styles.push( 'width:' + CKEDITOR.tools.cssLength( widths[i] ) );
1984 						}
1985 						else
1986 							styles.push( 'width:' + Math.floor( 100 / childHtmlList.length ) + '%' );
1987 						if ( height )
1988 							styles.push( 'height:' + CKEDITOR.tools.cssLength( height ) );
1989 						if ( elementDefinition && elementDefinition.padding != undefined )
1990 							styles.push( 'padding:' + CKEDITOR.tools.cssLength( elementDefinition.padding ) );
1991 						if ( styles.length > 0 )
1992 							html.push( 'style="' + styles.join('; ') + '" ' );
1993 						html.push( '>', childHtmlList[i], '</td>' );
1994 					}
1995 					html.push( '</tr></tbody>' );
1996 					return html.join( '' );
1997 				};
1998
1999 				CKEDITOR.ui.dialog.uiElement.call( this, dialog, elementDefinition || { type : 'hbox' }, htmlList, 'table', styles,
2000 						{ align : ( elementDefinition && elementDefinition.align ) ||
2001 							( dialog.getParentEditor().lang.dir == 'ltr' ? 'left' : 'right' ) }, innerHTML );
2002 			},
2003
2004 			/**
2005 			 * Vertical layout box for dialog UI elements.
2006 			 * @constructor
2007 			 * @extends CKEDITOR.ui.dialog.hbox
2008 			 * @param {CKEDITOR.dialog} dialog
2009 			 * Parent dialog object.
2010 			 * @param {Array} childObjList
2011 			 * Array of {@link CKEDITOR.ui.dialog.uiElement} objects inside this
2012 			 * container.
2013 			 * @param {Array} childHtmlList
2014 			 * Array of HTML code that correspond to the HTML output of all the
2015 			 * objects in childObjList.
2016 			 * @param {Array} htmlList
2017 			 * Array of HTML code that this element will output to.
2018 			 * @param {CKEDITOR.dialog.uiElementDefinition} elementDefinition
2019 			 * The element definition. Accepted fields:
2020 			 * <ul>
2021 			 * 	<li><strong>width</strong> (Optional) The width of the layout.</li>
2022 			 * 	<li><strong>heights</strong> (Optional) The heights of individual cells.
2023 			 * 	</li>
2024 			 * 	<li><strong>align</strong> (Optional) The alignment of the layout.</li>
2025 			 * 	<li><strong>padding</strong> (Optional) The padding width inside child
2026 			 * 	cells.</li>
2027 			 * 	<li><strong>expand</strong> (Optional) Whether the layout should expand
2028 			 * 	vertically to fill its container.</li>
2029 			 * </ul>
2030 			 * @example
2031 			 */
2032 			vbox : function( dialog, childObjList, childHtmlList, htmlList, elementDefinition )
2033 			{
2034 				if (arguments.length < 3 )
2035 					return;
2036
2037 				this._ || ( this._ = {} );
2038
2039 				var children = this._.children = childObjList,
2040 					width = elementDefinition && elementDefinition.width || null,
2041 					heights = elementDefinition && elementDefinition.heights || null;
2042 				/** @ignore */
2043 				var innerHTML = function()
2044 				{
2045 					var html = [ '<table cellspacing="0" border="0" ' ];
2046 					html.push( 'style="' );
2047 					if ( elementDefinition && elementDefinition.expand )
2048 						html.push( 'height:100%;' );
2049 					html.push( 'width:' + CKEDITOR.tools.cssLength( width || '100%' ), ';' );
2050 					html.push( '"' );
2051 					html.push( 'align="', CKEDITOR.tools.htmlEncode(
2052 						( elementDefinition && elementDefinition.align ) || ( dialog.getParentEditor().lang.dir == 'ltr' ? 'left' : 'right' ) ), '" ' );
2053
2054 					html.push( '><tbody>' );
2055 					for ( var i = 0 ; i < childHtmlList.length ; i++ )
2056 					{
2057 						var styles = [];
2058 						html.push( '<tr><td ' );
2059 						if ( width )
2060 							styles.push( 'width:' + CKEDITOR.tools.cssLength( width || '100%' ) );
2061 						if ( heights )
2062 							styles.push( 'height:' + CKEDITOR.tools.cssLength( heights[i] ) );
2063 						else if ( elementDefinition && elementDefinition.expand )
2064 							styles.push( 'height:' + Math.floor( 100 / childHtmlList.length ) + '%' );
2065 						if ( elementDefinition && elementDefinition.padding != undefined )
2066 							styles.push( 'padding:' + CKEDITOR.tools.cssLength( elementDefinition.padding ) );
2067 						if ( styles.length > 0 )
2068 							html.push( 'style="', styles.join( '; ' ), '" ' );
2069 						html.push( ' class="cke_dialog_ui_vbox_child">', childHtmlList[i], '</td></tr>' );
2070 					}
2071 					html.push( '</tbody></table>' );
2072 					return html.join( '' );
2073 				};
2074 				CKEDITOR.ui.dialog.uiElement.call( this, dialog, elementDefinition || { type : 'vbox' }, htmlList, 'div', null, null, innerHTML );
2075 			}
2076 		};
2077 	})();
2078
2079 	CKEDITOR.ui.dialog.uiElement.prototype =
2080 	{
2081 		/**
2082 		 * Gets the root DOM element of this dialog UI object.
2083 		 * @returns {CKEDITOR.dom.element} Root DOM element of UI object.
2084 		 * @example
2085 		 * uiElement.getElement().hide();
2086 		 */
2087 		getElement : function()
2088 		{
2089 			return CKEDITOR.document.getById( this.domId );
2090 		},
2091
2092 		/**
2093 		 * Gets the DOM element that the user inputs values.
2094 		 * This function is used by setValue(), getValue() and focus(). It should
2095 		 * be overrided in child classes where the input element isn't the root
2096 		 * element.
2097 		 * @returns {CKEDITOR.dom.element} The element where the user input values.
2098 		 * @example
2099 		 * var rawValue = textInput.getInputElement().$.value;
2100 		 */
2101 		getInputElement : function()
2102 		{
2103 			return this.getElement();
2104 		},
2105
2106 		/**
2107 		 * Gets the parent dialog object containing this UI element.
2108 		 * @returns {CKEDITOR.dialog} Parent dialog object.
2109 		 * @example
2110 		 * var dialog = uiElement.getDialog();
2111 		 */
2112 		getDialog : function()
2113 		{
2114 			return this._.dialog;
2115 		},
2116
2117 		/**
2118 		 * Sets the value of this dialog UI object.
2119 		 * @param {Object} value The new value.
2120 		 * @returns {CKEDITOR.dialog.uiElement} The current UI element.
2121 		 * @example
2122 		 * uiElement.setValue( 'Dingo' );
2123 		 */
2124 		setValue : function( value )
2125 		{
2126 			this.getInputElement().setValue( value );
2127 			this.fire( 'change', { value : value } );
2128 			return this;
2129 		},
2130
2131 		/**
2132 		 * Gets the current value of this dialog UI object.
2133 		 * @returns {Object} The current value.
2134 		 * @example
2135 		 * var myValue = uiElement.getValue();
2136 		 */
2137 		getValue : function()
2138 		{
2139 			return this.getInputElement().getValue();
2140 		},
2141
2142 		/**
2143 		 * Tells whether the UI object's value has changed.
2144 		 * @returns {Boolean} true if changed, false if not changed.
2145 		 * @example
2146 		 * if ( uiElement.isChanged() )
2147 		 *   confirm( 'Value changed! Continue?' );
2148 		 */
2149 		isChanged : function()
2150 		{
2151 			// Override in input classes.
2152 			return false;
2153 		},
2154
2155 		/**
2156 		 * Selects the parent tab of this element. Usually called by focus() or overridden focus() methods.
2157 		 * @returns {CKEDITOR.dialog.uiElement} The current UI element.
2158 		 * @example
2159 		 * focus : function()
2160 		 * {
2161 		 * 		this.selectParentTab();
2162 		 * 		// do something else.
2163 		 * }
2164 		 */
2165 		selectParentTab : function()
2166 		{
2167 			var element = this.getInputElement(),
2168 				cursor = element,
2169 				tabId;
2170 			while ( ( cursor = cursor.getParent() ) && cursor.$.className.search( 'cke_dialog_page_contents' ) == -1 )
2171 			{ /*jsl:pass*/ }
2172
2173 			// Some widgets don't have parent tabs (e.g. OK and Cancel buttons).
2174 			if ( !cursor )
2175 				return this;
2176
2177 			tabId = cursor.getAttribute( 'name' );
2178
2179 			this._.dialog.selectPage( tabId );
2180 			return this;
2181 		},
2182
2183 		/**
2184 		 * Puts the focus to the UI object. Switches tabs if the UI object isn't in the active tab page.
2185 		 * @returns {CKEDITOR.dialog.uiElement} The current UI element.
2186 		 * @example
2187 		 * uiElement.focus();
2188 		 */
2189 		focus : function()
2190 		{
2191 			this.selectParentTab().getInputElement().focus();
2192 			return this;
2193 		},
2194
2195 		/**
2196 		 * Registers the on* event handlers defined in the element definition.
2197 		 * The default behavior of this function is:
2198 		 * <ol>
2199 		 *  <li>
2200 		 *  	If the on* event is defined in the class's eventProcesors list,
2201 		 *  	then the registration is delegated to the corresponding function
2202 		 *  	in the eventProcessors list.
2203 		 *  </li>
2204 		 *  <li>
2205 		 *  	If the on* event is not defined in the eventProcessors list, then
2206 		 *  	register the event handler under the corresponding DOM event of
2207 		 *  	the UI element's input DOM element (as defined by the return value
2208 		 *  	of {@link CKEDITOR.ui.dialog.uiElement#getInputElement}).
2209 		 *  </li>
2210 		 * </ol>
2211 		 * This function is only called at UI element instantiation, but can
2212 		 * be overridded in child classes if they require more flexibility.
2213 		 * @param {CKEDITOR.dialog.uiElementDefinition} definition The UI element
2214 		 * definition.
2215 		 * @returns {CKEDITOR.dialog.uiElement} The current UI element.
2216 		 * @example
2217 		 */
2218 		registerEvents : function( definition )
2219 		{
2220 			var regex = /^on([A-Z]\w+)/,
2221 				match;
2222
2223 			var registerDomEvent = function( uiElement, dialog, eventName, func )
2224 			{
2225 				dialog.on( 'load', function()
2226 				{
2227 					uiElement.getInputElement().on( eventName, func, uiElement );
2228 				});
2229 			};
2230
2231 			for ( var i in definition )
2232 			{
2233 				if ( !( match = i.match( regex ) ) )
2234 					continue;
2235 				if ( this.eventProcessors[i] )
2236 					this.eventProcessors[i].call( this, this._.dialog, definition[i] );
2237 				else
2238 					registerDomEvent( this, this._.dialog, match[1].toLowerCase(), definition[i] );
2239 			}
2240
2241 			return this;
2242 		},
2243
2244 		/**
2245 		 * The event processor list used by
2246 		 * {@link CKEDITOR.ui.dialog.uiElement#getInputElement} at UI element
2247 		 * instantiation. The default list defines three on* events:
2248 		 * <ol>
2249 		 *  <li>onLoad - Called when the element's parent dialog opens for the
2250 		 *  first time</li>
2251 		 *  <li>onShow - Called whenever the element's parent dialog opens.</li>
2252 		 *  <li>onHide - Called whenever the element's parent dialog closes.</li>
2253 		 * </ol>
2254 		 * @field
2255 		 * @type Object
2256 		 * @example
2257 		 * // This connects the 'click' event in CKEDITOR.ui.dialog.button to onClick
2258 		 * // handlers in the UI element's definitions.
2259 		 * CKEDITOR.ui.dialog.button.eventProcessors = CKEDITOR.tools.extend( {},
2260 		 *   CKEDITOR.ui.dialog.uiElement.prototype.eventProcessors,
2261 		 *   { onClick : function( dialog, func ) { this.on( 'click', func ); } },
2262 		 *   true );
2263 		 */
2264 		eventProcessors :
2265 		{
2266 			onLoad : function( dialog, func )
2267 			{
2268 				dialog.on( 'load', func, this );
2269 			},
2270
2271 			onShow : function( dialog, func )
2272 			{
2273 				dialog.on( 'show', func, this );
2274 			},
2275
2276 			onHide : function( dialog, func )
2277 			{
2278 				dialog.on( 'hide', func, this );
2279 			}
2280 		},
2281
2282 		/**
2283 		 * The default handler for a UI element's access key down event, which
2284 		 * tries to put focus to the UI element.<br />
2285 		 * Can be overridded in child classes for more sophisticaed behavior.
2286 		 * @param {CKEDITOR.dialog} dialog The parent dialog object.
2287 		 * @param {String} key The key combination pressed. Since access keys
2288 		 * are defined to always include the CTRL key, its value should always
2289 		 * include a 'CTRL+' prefix.
2290 		 * @example
2291 		 */
2292 		accessKeyDown : function( dialog, key )
2293 		{
2294 			this.focus();
2295 		},
2296
2297 		/**
2298 		 * The default handler for a UI element's access key up event, which
2299 		 * does nothing.<br />
2300 		 * Can be overridded in child classes for more sophisticated behavior.
2301 		 * @param {CKEDITOR.dialog} dialog The parent dialog object.
2302 		 * @param {String} key The key combination pressed. Since access keys
2303 		 * are defined to always include the CTRL key, its value should always
2304 		 * include a 'CTRL+' prefix.
2305 		 * @example
2306 		 */
2307 		accessKeyUp : function( dialog, key )
2308 		{
2309 		},
2310
2311 		/**
2312 		 * Disables a UI element.
2313 		 * @example
2314 		 */
2315 		disable : function()
2316 		{
2317 			var element = this.getInputElement();
2318 			element.setAttribute( 'disabled', 'true' );
2319 			element.addClass( 'cke_disabled' );
2320 		},
2321
2322 		/**
2323 		 * Enables a UI element.
2324 		 * @example
2325 		 */
2326 		enable : function()
2327 		{
2328 			var element = this.getInputElement();
2329 			element.removeAttribute( 'disabled' );
2330 			element.removeClass( 'cke_disabled' );
2331 		},
2332
2333 		/**
2334 		 * Determines whether an UI element is enabled or not.
2335 		 * @returns {Boolean} Whether the UI element is enabled.
2336 		 * @example
2337 		 */
2338 		isEnabled : function()
2339 		{
2340 			return !this.getInputElement().getAttribute( 'disabled' );
2341 		},
2342
2343 		/**
2344 		 * Determines whether an UI element is visible or not.
2345 		 * @returns {Boolean} Whether the UI element is visible.
2346 		 * @example
2347 		 */
2348 		isVisible : function()
2349 		{
2350 			return !!this.getInputElement().$.offsetHeight;
2351 		},
2352
2353 		/**
2354 		 * Determines whether an UI element is focus-able or not.
2355 		 * Focus-able is defined as being both visible and enabled.
2356 		 * @returns {Boolean} Whether the UI element can be focused.
2357 		 * @example
2358 		 */
2359 		isFocusable : function()
2360 		{
2361 			if ( !this.isEnabled() || !this.isVisible() )
2362 				return false;
2363 			return true;
2364 		}
2365 	};
2366
2367 	CKEDITOR.ui.dialog.hbox.prototype = CKEDITOR.tools.extend( new CKEDITOR.ui.dialog.uiElement,
2368 		/**
2369 		 * @lends CKEDITOR.ui.dialog.hbox.prototype
2370 		 */
2371 		{
2372 			/**
2373 			 * Gets a child UI element inside this container.
2374 			 * @param {Array|Number} indices An array or a single number to indicate the child's
2375 			 * position in the container's descendant tree. Omit to get all the children in an array.
2376 			 * @returns {Array|CKEDITOR.ui.dialog.uiElement} Array of all UI elements in the container
2377 			 * if no argument given, or the specified UI element if indices is given.
2378 			 * @example
2379 			 * var checkbox = hbox.getChild( [0,1] );
2380 			 * checkbox.setValue( true );
2381 			 */
2382 			getChild : function( indices )
2383 			{
2384 				// If no arguments, return a clone of the children array.
2385 				if ( arguments.length < 1 )
2386 					return this._.children.concat();
2387
2388 				// If indices isn't array, make it one.
2389 				if ( !indices.splice )
2390 					indices = [ indices ];
2391
2392 				// Retrieve the child element according to tree position.
2393 				if ( indices.length < 2 )
2394 					return this._.children[ indices[0] ];
2395 				else
2396 					return ( this._.children[ indices[0] ] && this._.children[ indices[0] ].getChild ) ?
2397 						this._.children[ indices[0] ].getChild( indices.slice( 1, indices.length ) ) :
2398 						null;
2399 			}
2400 		}, true );
2401
2402 	CKEDITOR.ui.dialog.vbox.prototype = new CKEDITOR.ui.dialog.hbox();
2403
2404
2405
2406 	(function()
2407 	{
2408 		var commonBuilder = {
2409 			build : function( dialog, elementDefinition, output )
2410 			{
2411 				var children = elementDefinition.children,
2412 					child,
2413 					childHtmlList = [],
2414 					childObjList = [];
2415 				for ( var i = 0 ; ( i < children.length && ( child = children[i] ) ) ; i++ )
2416 				{
2417 					var childHtml = [];
2418 					childHtmlList.push( childHtml );
2419 					childObjList.push( CKEDITOR.dialog._.uiElementBuilders[ child.type ].build( dialog, child, childHtml ) );
2420 				}
2421 				return new CKEDITOR.ui.dialog[elementDefinition.type]( dialog, childObjList, childHtmlList, output, elementDefinition );
2422 			}
2423 		};
2424
2425 		CKEDITOR.dialog.addUIElement( 'hbox', commonBuilder );
2426 		CKEDITOR.dialog.addUIElement( 'vbox', commonBuilder );
2427 	})();
2428
2429 	/**
2430 	 * Generic dialog command. It opens a specific dialog when executed.
2431 	 * @constructor
2432 	 * @augments CKEDITOR.commandDefinition
2433 	 * @param {string} dialogName The name of the dialog to open when executing
2434 	 *		this command.
2435 	 * @example
2436 	 * // Register the "link" command, which opens the "link" dialog.
2437 	 * editor.addCommand( 'link', <b>new CKEDITOR.dialogCommand( 'link' )</b> );
2438 	 */
2439 	CKEDITOR.dialogCommand = function( dialogName )
2440 	{
2441 		this.dialogName = dialogName;
2442 	};
2443
2444 	CKEDITOR.dialogCommand.prototype =
2445 	{
2446 		/** @ignore */
2447 		exec : function( editor )
2448 		{
2449 			editor.openDialog( this.dialogName );
2450 		}
2451 	};
2452
2453 	(function()
2454 	{
2455 		var notEmptyRegex = /^([a]|[^a])+$/,
2456 			integerRegex = /^\d*$/,
2457 			numberRegex = /^\d*(?:\.\d+)?$/;
2458
2459 		CKEDITOR.VALIDATE_OR = 1;
2460 		CKEDITOR.VALIDATE_AND = 2;
2461
2462 		CKEDITOR.dialog.validate =
2463 		{
2464 			functions : function()
2465 			{
2466 				return function()
2467 				{
2468 					/**
2469 					 * It's important for validate functions to be able to accept the value
2470 					 * as argument in addition to this.getValue(), so that it is possible to
2471 					 * combine validate functions together to make more sophisticated
2472 					 * validators.
2473 					 */
2474 					var value = this && this.getValue ? this.getValue() : arguments[0];
2475
2476 					var msg = undefined,
2477 						relation = CKEDITOR.VALIDATE_AND,
2478 						functions = [], i;
2479
2480 					for ( i = 0 ; i < arguments.length ; i++ )
2481 					{
2482 						if ( typeof( arguments[i] ) == 'function' )
2483 							functions.push( arguments[i] );
2484 						else
2485 							break;
2486 					}
2487
2488 					if ( i < arguments.length && typeof( arguments[i] ) == 'string' )
2489 					{
2490 						msg = arguments[i];
2491 						i++;
2492 					}
2493
2494 					if ( i < arguments.length && typeof( arguments[i]) == 'number' )
2495 						relation = arguments[i];
2496
2497 					var passed = ( relation == CKEDITOR.VALIDATE_AND ? true : false );
2498 					for ( i = 0 ; i < functions.length ; i++ )
2499 					{
2500 						if ( relation == CKEDITOR.VALIDATE_AND )
2501 							passed = passed && functions[i]( value );
2502 						else
2503 							passed = passed || functions[i]( value );
2504 					}
2505
2506 					if ( !passed )
2507 					{
2508 						if ( msg !== undefined )
2509 							alert( msg );
2510 						if ( this && ( this.select || this.focus ) )
2511 							( this.select || this.focus )();
2512 						return false;
2513 					}
2514
2515 					return true;
2516 				};
2517 			},
2518
2519 			regex : function( regex, msg )
2520 			{
2521 				/*
2522 				 * Can be greatly shortened by deriving from functions validator if code size
2523 				 * turns out to be more important than performance.
2524 				 */
2525 				return function()
2526 				{
2527 					var value = this && this.getValue ? this.getValue() : arguments[0];
2528 					if ( !regex.test( value ) )
2529 					{
2530 						if ( msg !== undefined )
2531 							alert( msg );
2532 						if ( this && ( this.select || this.focus ) )
2533 						{
2534 							if ( this.select )
2535 								this.select();
2536 							else
2537 								this.focus();
2538 						}
2539 						return false;
2540 					}
2541 					return true;
2542 				};
2543 			},
2544
2545 			notEmpty : function( msg )
2546 			{
2547 				return this.regex( notEmptyRegex, msg );
2548 			},
2549
2550 			integer : function( msg )
2551 			{
2552 				return this.regex( integerRegex, msg );
2553 			},
2554
2555 			'number' : function( msg )
2556 			{
2557 				return this.regex( numberRegex, msg );
2558 			},
2559
2560 			equals : function( value, msg )
2561 			{
2562 				return this.functions( function( val ){ return val == value; }, msg );
2563 			},
2564
2565 			notEqual : function( value, msg )
2566 			{
2567 				return this.functions( function( val ){ return val != value; }, msg );
2568 			}
2569 		};
2570 	})();
2571
2572 })();
2573
2574 // Extend the CKEDITOR.editor class with dialog specific functions.
2575 CKEDITOR.tools.extend( CKEDITOR.editor.prototype,
2576 	/** @lends CKEDITOR.editor.prototype */
2577 	{
2578 		/**
2579 		 * Loads and opens a registered dialog.
2580 		 * @param {String} dialogName The registered name of the dialog.
2581 		 * @see CKEDITOR.dialog.add
2582 		 * @example
2583 		 * CKEDITOR.instances.editor1.openDialog( 'smiley' );
2584 		 * @returns {CKEDITOR.dialog} The dialog object corresponding to the dialog displayed. null if the dialog name is not registered.
2585 		 */
2586 		openDialog : function( dialogName )
2587 		{
2588 			var dialogDefinitions = CKEDITOR.dialog._.dialogDefinitions[ dialogName ];
2589
2590 			// If the dialogDefinition is already loaded, open it immediately.
2591 			if ( typeof dialogDefinitions == 'function' )
2592 			{
2593 				var storedDialogs = this._.storedDialogs ||
2594 					( this._.storedDialogs = {} );
2595
2596 				var dialog = storedDialogs[ dialogName ] ||
2597 					( storedDialogs[ dialogName ] = new CKEDITOR.dialog( this, dialogName ) );
2598
2599 				dialog.show();
2600
2601 				return dialog;
2602 			}
2603
2604 			// Not loaded? Load the .js file first.
2605 			var body = CKEDITOR.document.getBody(),
2606 				cursor = body.$.style.cursor,
2607 				me = this;
2608
2609 			body.setStyle( 'cursor', 'wait' );
2610 			CKEDITOR.scriptLoader.load( CKEDITOR.getUrl( dialogDefinitions ), function()
2611 				{
2612 					me.openDialog( dialogName );
2613 					body.setStyle( 'cursor', cursor );
2614 				} );
2615
2616 			return null;
2617 		}
2618 	});
2619
2620 // Dialog related configurations.
2621
2622 /**
2623  * The color of the dialog background cover. It should be a valid CSS color
2624  * string.
2625  * @type String
2626  * @default white
2627  * @example
2628  * config.dialog_backgroundCoverColor = 'rgb(255, 254, 253)';
2629  */
2630 CKEDITOR.config.dialog_backgroundCoverColor = 'white';
2631
2632 /**
2633  * The opacity of the dialog background cover. It should be a number within the
2634  * range [0.0, 1.0].
2635  * @type Number
2636  * @default 0.5
2637  * @example
2638  * config.dialog_backgroundCoverOpacity = 0.7;
2639  */
2640 CKEDITOR.config.dialog_backgroundCoverOpacity = 0.5;
2641
2642 /**
2643  * The distance of magnetic borders used in moving and resizing dialogs,
2644  * measured in pixels.
2645  * @type Number
2646  * @default 20
2647  * @example
2648  * config.dialog_magnetDistance = 30;
2649  */
2650 CKEDITOR.config.dialog_magnetDistance = 20;
2651