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source: trunk/themes/default/js/ui/jquery.ui.dialog.js @ 9172

Last change on this file since 9172 was 9172, checked in by patdenice, 13 years ago
Update jQuery to 1.5 and jQuery UI to 1.8.9
File size: 20.9 KB

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1	/*
2	* jQuery UI Dialog 1.8.9
3	*
4	* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
5	* Dual licensed under the MIT or GPL Version 2 licenses.
6	* http://jquery.org/license
7	*
8	* http://docs.jquery.com/UI/Dialog
9	*
10	* Depends:
11	* jquery.ui.core.js
12	* jquery.ui.widget.js
13	* jquery.ui.button.js
14	* jquery.ui.draggable.js
15	* jquery.ui.mouse.js
16	* jquery.ui.position.js
17	* jquery.ui.resizable.js
18	*/
19	(function( $, undefined ) {
20
21	var uiDialogClasses =
22	'ui-dialog ' +
23	'ui-widget ' +
24	'ui-widget-content ' +
25	'ui-corner-all ',
26	sizeRelatedOptions = {
27	buttons: true,
28	height: true,
29	maxHeight: true,
30	maxWidth: true,
31	minHeight: true,
32	minWidth: true,
33	width: true
34	},
35	resizableRelatedOptions = {
36	maxHeight: true,
37	maxWidth: true,
38	minHeight: true,
39	minWidth: true
40	};
41
42	$.widget("ui.dialog", {
43	options: {
44	autoOpen: true,
45	buttons: {},
46	closeOnEscape: true,
47	closeText: 'close',
48	dialogClass: '',
49	draggable: true,
50	hide: null,
51	height: 'auto',
52	maxHeight: false,
53	maxWidth: false,
54	minHeight: 150,
55	minWidth: 150,
56	modal: false,
57	position: {
58	my: 'center',
59	at: 'center',
60	collision: 'fit',
61	// ensure that the titlebar is never outside the document
62	using: function(pos) {
63	var topOffset = $(this).css(pos).offset().top;
64	if (topOffset < 0) {
65	$(this).css('top', pos.top - topOffset);
66	}
67	}
68	},
69	resizable: true,
70	show: null,
71	stack: true,
72	title: '',
73	width: 300,
74	zIndex: 1000
75	},
76
77	_create: function() {
78	this.originalTitle = this.element.attr('title');
79	// #5742 - .attr() might return a DOMElement
80	if ( typeof this.originalTitle !== "string" ) {
81	this.originalTitle = "";
82	}
83
84	this.options.title = this.options.title \|\| this.originalTitle;
85	var self = this,
86	options = self.options,
87
88	title = options.title \|\| ' ',
89	titleId = $.ui.dialog.getTitleId(self.element),
90
91	uiDialog = (self.uiDialog = $('<div></div>'))
92	.appendTo(document.body)
93	.hide()
94	.addClass(uiDialogClasses + options.dialogClass)
95	.css({
96	zIndex: options.zIndex
97	})
98	// setting tabIndex makes the div focusable
99	// setting outline to 0 prevents a border on focus in Mozilla
100	.attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
101	if (options.closeOnEscape && event.keyCode &&
102	event.keyCode === $.ui.keyCode.ESCAPE) {
103
104	self.close(event);
105	event.preventDefault();
106	}
107	})
108	.attr({
109	role: 'dialog',
110	'aria-labelledby': titleId
111	})
112	.mousedown(function(event) {
113	self.moveToTop(false, event);
114	}),
115
116	uiDialogContent = self.element
117	.show()
118	.removeAttr('title')
119	.addClass(
120	'ui-dialog-content ' +
121	'ui-widget-content')
122	.appendTo(uiDialog),
123
124	uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
125	.addClass(
126	'ui-dialog-titlebar ' +
127	'ui-widget-header ' +
128	'ui-corner-all ' +
129	'ui-helper-clearfix'
130	)
131	.prependTo(uiDialog),
132
133	uiDialogTitlebarClose = $('<a href="#"></a>')
134	.addClass(
135	'ui-dialog-titlebar-close ' +
136	'ui-corner-all'
137	)
138	.attr('role', 'button')
139	.hover(
140	function() {
141	uiDialogTitlebarClose.addClass('ui-state-hover');
142	},
143	function() {
144	uiDialogTitlebarClose.removeClass('ui-state-hover');
145	}
146	)
147	.focus(function() {
148	uiDialogTitlebarClose.addClass('ui-state-focus');
149	})
150	.blur(function() {
151	uiDialogTitlebarClose.removeClass('ui-state-focus');
152	})
153	.click(function(event) {
154	self.close(event);
155	return false;
156	})
157	.appendTo(uiDialogTitlebar),
158
159	uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
160	.addClass(
161	'ui-icon ' +
162	'ui-icon-closethick'
163	)
164	.text(options.closeText)
165	.appendTo(uiDialogTitlebarClose),
166
167	uiDialogTitle = $('<span></span>')
168	.addClass('ui-dialog-title')
169	.attr('id', titleId)
170	.html(title)
171	.prependTo(uiDialogTitlebar);
172
173	//handling of deprecated beforeclose (vs beforeClose) option
174	//Ticket #4669 http://dev.jqueryui.com/ticket/4669
175	//TODO: remove in 1.9pre
176	if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
177	options.beforeClose = options.beforeclose;
178	}
179
180	uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
181
182	if (options.draggable && $.fn.draggable) {
183	self._makeDraggable();
184	}
185	if (options.resizable && $.fn.resizable) {
186	self._makeResizable();
187	}
188
189	self._createButtons(options.buttons);
190	self._isOpen = false;
191
192	if ($.fn.bgiframe) {
193	uiDialog.bgiframe();
194	}
195	},
196
197	_init: function() {
198	if ( this.options.autoOpen ) {
199	this.open();
200	}
201	},
202
203	destroy: function() {
204	var self = this;
205
206	if (self.overlay) {
207	self.overlay.destroy();
208	}
209	self.uiDialog.hide();
210	self.element
211	.unbind('.dialog')
212	.removeData('dialog')
213	.removeClass('ui-dialog-content ui-widget-content')
214	.hide().appendTo('body');
215	self.uiDialog.remove();
216
217	if (self.originalTitle) {
218	self.element.attr('title', self.originalTitle);
219	}
220
221	return self;
222	},
223
224	widget: function() {
225	return this.uiDialog;
226	},
227
228	close: function(event) {
229	var self = this,
230	maxZ, thisZ;
231
232	if (false === self._trigger('beforeClose', event)) {
233	return;
234	}
235
236	if (self.overlay) {
237	self.overlay.destroy();
238	}
239	self.uiDialog.unbind('keypress.ui-dialog');
240
241	self._isOpen = false;
242
243	if (self.options.hide) {
244	self.uiDialog.hide(self.options.hide, function() {
245	self._trigger('close', event);
246	});
247	} else {
248	self.uiDialog.hide();
249	self._trigger('close', event);
250	}
251
252	$.ui.dialog.overlay.resize();
253
254	// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
255	if (self.options.modal) {
256	maxZ = 0;
257	$('.ui-dialog').each(function() {
258	if (this !== self.uiDialog[0]) {
259	thisZ = $(this).css('z-index');
260	if(!isNaN(thisZ)) {
261	maxZ = Math.max(maxZ, thisZ);
262	}
263	}
264	});
265	$.ui.dialog.maxZ = maxZ;
266	}
267
268	return self;
269	},
270
271	isOpen: function() {
272	return this._isOpen;
273	},
274
275	// the force parameter allows us to move modal dialogs to their correct
276	// position on open
277	moveToTop: function(force, event) {
278	var self = this,
279	options = self.options,
280	saveScroll;
281
282	if ((options.modal && !force) \|\|
283	(!options.stack && !options.modal)) {
284	return self._trigger('focus', event);
285	}
286
287	if (options.zIndex > $.ui.dialog.maxZ) {
288	$.ui.dialog.maxZ = options.zIndex;
289	}
290	if (self.overlay) {
291	$.ui.dialog.maxZ += 1;
292	self.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ);
293	}
294
295	//Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
296	// http://ui.jquery.com/bugs/ticket/3193
297	saveScroll = { scrollTop: self.element.attr('scrollTop'), scrollLeft: self.element.attr('scrollLeft') };
298	$.ui.dialog.maxZ += 1;
299	self.uiDialog.css('z-index', $.ui.dialog.maxZ);
300	self.element.attr(saveScroll);
301	self._trigger('focus', event);
302
303	return self;
304	},
305
306	open: function() {
307	if (this._isOpen) { return; }
308
309	var self = this,
310	options = self.options,
311	uiDialog = self.uiDialog;
312
313	self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
314	self._size();
315	self._position(options.position);
316	uiDialog.show(options.show);
317	self.moveToTop(true);
318
319	// prevent tabbing out of modal dialogs
320	if (options.modal) {
321	uiDialog.bind('keypress.ui-dialog', function(event) {
322	if (event.keyCode !== $.ui.keyCode.TAB) {
323	return;
324	}
325
326	var tabbables = $(':tabbable', this),
327	first = tabbables.filter(':first'),
328	last = tabbables.filter(':last');
329
330	if (event.target === last[0] && !event.shiftKey) {
331	first.focus(1);
332	return false;
333	} else if (event.target === first[0] && event.shiftKey) {
334	last.focus(1);
335	return false;
336	}
337	});
338	}
339
340	// set focus to the first tabbable element in the content area or the first button
341	// if there are no tabbable elements, set focus on the dialog itself
342	$(self.element.find(':tabbable').get().concat(
343	uiDialog.find('.ui-dialog-buttonpane :tabbable').get().concat(
344	uiDialog.get()))).eq(0).focus();
345
346	self._isOpen = true;
347	self._trigger('open');
348
349	return self;
350	},
351
352	_createButtons: function(buttons) {
353	var self = this,
354	hasButtons = false,
355	uiDialogButtonPane = $('<div></div>')
356	.addClass(
357	'ui-dialog-buttonpane ' +
358	'ui-widget-content ' +
359	'ui-helper-clearfix'
360	),
361	uiButtonSet = $( "<div></div>" )
362	.addClass( "ui-dialog-buttonset" )
363	.appendTo( uiDialogButtonPane );
364
365	// if we already have a button pane, remove it
366	self.uiDialog.find('.ui-dialog-buttonpane').remove();
367
368	if (typeof buttons === 'object' && buttons !== null) {
369	$.each(buttons, function() {
370	return !(hasButtons = true);
371	});
372	}
373	if (hasButtons) {
374	$.each(buttons, function(name, props) {
375	props = $.isFunction( props ) ?
376	{ click: props, text: name } :
377	props;
378	var button = $('<button type="button"></button>')
379	.attr( props, true )
380	.unbind('click')
381	.click(function() {
382	props.click.apply(self.element[0], arguments);
383	})
384	.appendTo(uiButtonSet);
385	if ($.fn.button) {
386	button.button();
387	}
388	});
389	uiDialogButtonPane.appendTo(self.uiDialog);
390	}
391	},
392
393	_makeDraggable: function() {
394	var self = this,
395	options = self.options,
396	doc = $(document),
397	heightBeforeDrag;
398
399	function filteredUi(ui) {
400	return {
401	position: ui.position,
402	offset: ui.offset
403	};
404	}
405
406	self.uiDialog.draggable({
407	cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
408	handle: '.ui-dialog-titlebar',
409	containment: 'document',
410	start: function(event, ui) {
411	heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
412	$(this).height($(this).height()).addClass("ui-dialog-dragging");
413	self._trigger('dragStart', event, filteredUi(ui));
414	},
415	drag: function(event, ui) {
416	self._trigger('drag', event, filteredUi(ui));
417	},
418	stop: function(event, ui) {
419	options.position = [ui.position.left - doc.scrollLeft(),
420	ui.position.top - doc.scrollTop()];
421	$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
422	self._trigger('dragStop', event, filteredUi(ui));
423	$.ui.dialog.overlay.resize();
424	}
425	});
426	},
427
428	_makeResizable: function(handles) {
429	handles = (handles === undefined ? this.options.resizable : handles);
430	var self = this,
431	options = self.options,
432	// .ui-resizable has position: relative defined in the stylesheet
433	// but dialogs have to use absolute or fixed positioning
434	position = self.uiDialog.css('position'),
435	resizeHandles = (typeof handles === 'string' ?
436	handles :
437	'n,e,s,w,se,sw,ne,nw'
438	);
439
440	function filteredUi(ui) {
441	return {
442	originalPosition: ui.originalPosition,
443	originalSize: ui.originalSize,
444	position: ui.position,
445	size: ui.size
446	};
447	}
448
449	self.uiDialog.resizable({
450	cancel: '.ui-dialog-content',
451	containment: 'document',
452	alsoResize: self.element,
453	maxWidth: options.maxWidth,
454	maxHeight: options.maxHeight,
455	minWidth: options.minWidth,
456	minHeight: self._minHeight(),
457	handles: resizeHandles,
458	start: function(event, ui) {
459	$(this).addClass("ui-dialog-resizing");
460	self._trigger('resizeStart', event, filteredUi(ui));
461	},
462	resize: function(event, ui) {
463	self._trigger('resize', event, filteredUi(ui));
464	},
465	stop: function(event, ui) {
466	$(this).removeClass("ui-dialog-resizing");
467	options.height = $(this).height();
468	options.width = $(this).width();
469	self._trigger('resizeStop', event, filteredUi(ui));
470	$.ui.dialog.overlay.resize();
471	}
472	})
473	.css('position', position)
474	.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
475	},
476
477	_minHeight: function() {
478	var options = this.options;
479
480	if (options.height === 'auto') {
481	return options.minHeight;
482	} else {
483	return Math.min(options.minHeight, options.height);
484	}
485	},
486
487	_position: function(position) {
488	var myAt = [],
489	offset = [0, 0],
490	isVisible;
491
492	if (position) {
493	// deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
494	// if (typeof position == 'string' \|\| $.isArray(position)) {
495	// myAt = $.isArray(position) ? position : position.split(' ');
496
497	if (typeof position === 'string' \|\| (typeof position === 'object' && '0' in position)) {
498	myAt = position.split ? position.split(' ') : [position[0], position[1]];
499	if (myAt.length === 1) {
500	myAt[1] = myAt[0];
501	}
502
503	$.each(['left', 'top'], function(i, offsetPosition) {
504	if (+myAt[i] === myAt[i]) {
505	offset[i] = myAt[i];
506	myAt[i] = offsetPosition;
507	}
508	});
509
510	position = {
511	my: myAt.join(" "),
512	at: myAt.join(" "),
513	offset: offset.join(" ")
514	};
515	}
516
517	position = $.extend({}, $.ui.dialog.prototype.options.position, position);
518	} else {
519	position = $.ui.dialog.prototype.options.position;
520	}
521
522	// need to show the dialog to get the actual offset in the position plugin
523	isVisible = this.uiDialog.is(':visible');
524	if (!isVisible) {
525	this.uiDialog.show();
526	}
527	this.uiDialog
528	// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
529	.css({ top: 0, left: 0 })
530	.position($.extend({ of: window }, position));
531	if (!isVisible) {
532	this.uiDialog.hide();
533	}
534	},
535
536	_setOptions: function( options ) {
537	var self = this,
538	resizableOptions = {},
539	resize = false;
540
541	$.each( options, function( key, value ) {
542	self._setOption( key, value );
543
544	if ( key in sizeRelatedOptions ) {
545	resize = true;
546	}
547	if ( key in resizableRelatedOptions ) {
548	resizableOptions[ key ] = value;
549	}
550	});
551
552	if ( resize ) {
553	this._size();
554	}
555	if ( this.uiDialog.is( ":data(resizable)" ) ) {
556	this.uiDialog.resizable( "option", resizableOptions );
557	}
558	},
559
560	_setOption: function(key, value){
561	var self = this,
562	uiDialog = self.uiDialog;
563
564	switch (key) {
565	//handling of deprecated beforeclose (vs beforeClose) option
566	//Ticket #4669 http://dev.jqueryui.com/ticket/4669
567	//TODO: remove in 1.9pre
568	case "beforeclose":
569	key = "beforeClose";
570	break;
571	case "buttons":
572	self._createButtons(value);
573	break;
574	case "closeText":
575	// ensure that we always pass a string
576	self.uiDialogTitlebarCloseText.text("" + value);
577	break;
578	case "dialogClass":
579	uiDialog
580	.removeClass(self.options.dialogClass)
581	.addClass(uiDialogClasses + value);
582	break;
583	case "disabled":
584	if (value) {
585	uiDialog.addClass('ui-dialog-disabled');
586	} else {
587	uiDialog.removeClass('ui-dialog-disabled');
588	}
589	break;
590	case "draggable":
591	var isDraggable = uiDialog.is( ":data(draggable)" );
592	if ( isDraggable && !value ) {
593	uiDialog.draggable( "destroy" );
594	}
595
596	if ( !isDraggable && value ) {
597	self._makeDraggable();
598	}
599	break;
600	case "position":
601	self._position(value);
602	break;
603	case "resizable":
604	// currently resizable, becoming non-resizable
605	var isResizable = uiDialog.is( ":data(resizable)" );
606	if (isResizable && !value) {
607	uiDialog.resizable('destroy');
608	}
609
610	// currently resizable, changing handles
611	if (isResizable && typeof value === 'string') {
612	uiDialog.resizable('option', 'handles', value);
613	}
614
615	// currently non-resizable, becoming resizable
616	if (!isResizable && value !== false) {
617	self._makeResizable(value);
618	}
619	break;
620	case "title":
621	// convert whatever was passed in o a string, for html() to not throw up
622	$(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value \|\| ' '));
623	break;
624	}
625
626	$.Widget.prototype._setOption.apply(self, arguments);
627	},
628
629	_size: function() {
630	/* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
631	* divs will both have width and height set, so we need to reset them
632	*/
633	var options = this.options,
634	nonContentHeight,
635	minContentHeight,
636	isVisible = this.uiDialog.is( ":visible" );
637
638	// reset content sizing
639	this.element.show().css({
640	width: 'auto',
641	minHeight: 0,
642	height: 0
643	});
644
645	if (options.minWidth > options.width) {
646	options.width = options.minWidth;
647	}
648
649	// reset wrapper sizing
650	// determine the height of all the non-content elements
651	nonContentHeight = this.uiDialog.css({
652	height: 'auto',
653	width: options.width
654	})
655	.height();
656	minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
657
658	if ( options.height === "auto" ) {
659	// only needed for IE6 support
660	if ( $.support.minHeight ) {
661	this.element.css({
662	minHeight: minContentHeight,
663	height: "auto"
664	});
665	} else {
666	this.uiDialog.show();
667	var autoHeight = this.element.css( "height", "auto" ).height();
668	if ( !isVisible ) {
669	this.uiDialog.hide();
670	}
671	this.element.height( Math.max( autoHeight, minContentHeight ) );
672	}
673	} else {
674	this.element.height( Math.max( options.height - nonContentHeight, 0 ) );
675	}
676
677	if (this.uiDialog.is(':data(resizable)')) {
678	this.uiDialog.resizable('option', 'minHeight', this._minHeight());
679	}
680	}
681	});
682
683	$.extend($.ui.dialog, {
684	version: "1.8.9",
685
686	uuid: 0,
687	maxZ: 0,
688
689	getTitleId: function($el) {
690	var id = $el.attr('id');
691	if (!id) {
692	this.uuid += 1;
693	id = this.uuid;
694	}
695	return 'ui-dialog-title-' + id;
696	},
697
698	overlay: function(dialog) {
699	this.$el = $.ui.dialog.overlay.create(dialog);
700	}
701	});
702
703	$.extend($.ui.dialog.overlay, {
704	instances: [],
705	// reuse old instances due to IE memory leak with alpha transparency (see #5185)
706	oldInstances: [],
707	maxZ: 0,
708	events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
709	function(event) { return event + '.dialog-overlay'; }).join(' '),
710	create: function(dialog) {
711	if (this.instances.length === 0) {
712	// prevent use of anchors and inputs
713	// we use a setTimeout in case the overlay is created from an
714	// event that we're going to be cancelling (see #2804)
715	setTimeout(function() {
716	// handle $(el).dialog().dialog('close') (see #4065)
717	if ($.ui.dialog.overlay.instances.length) {
718	$(document).bind($.ui.dialog.overlay.events, function(event) {
719	// stop events if the z-index of the target is < the z-index of the overlay
720	// we cannot return true when we don't want to cancel the event (#3523)
721	if ($(event.target).zIndex() < $.ui.dialog.overlay.maxZ) {
722	return false;
723	}
724	});
725	}
726	}, 1);
727
728	// allow closing by pressing the escape key
729	$(document).bind('keydown.dialog-overlay', function(event) {
730	if (dialog.options.closeOnEscape && event.keyCode &&
731	event.keyCode === $.ui.keyCode.ESCAPE) {
732
733	dialog.close(event);
734	event.preventDefault();
735	}
736	});
737
738	// handle window resize
739	$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
740	}
741
742	var $el = (this.oldInstances.pop() \|\| $('<div></div>').addClass('ui-widget-overlay'))
743	.appendTo(document.body)
744	.css({
745	width: this.width(),
746	height: this.height()
747	});
748
749	if ($.fn.bgiframe) {
750	$el.bgiframe();
751	}
752
753	this.instances.push($el);
754	return $el;
755	},
756
757	destroy: function($el) {
758	var indexOf = $.inArray($el, this.instances);
759	if (indexOf != -1){
760	this.oldInstances.push(this.instances.splice(indexOf, 1)[0]);
761	}
762
763	if (this.instances.length === 0) {
764	$([document, window]).unbind('.dialog-overlay');
765	}
766
767	$el.remove();
768
769	// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
770	var maxZ = 0;
771	$.each(this.instances, function() {
772	maxZ = Math.max(maxZ, this.css('z-index'));
773	});
774	this.maxZ = maxZ;
775	},
776
777	height: function() {
778	var scrollHeight,
779	offsetHeight;
780	// handle IE 6
781	if ($.browser.msie && $.browser.version < 7) {
782	scrollHeight = Math.max(
783	document.documentElement.scrollHeight,
784	document.body.scrollHeight
785	);
786	offsetHeight = Math.max(
787	document.documentElement.offsetHeight,
788	document.body.offsetHeight
789	);
790
791	if (scrollHeight < offsetHeight) {
792	return $(window).height() + 'px';
793	} else {
794	return scrollHeight + 'px';
795	}
796	// handle "good" browsers
797	} else {
798	return $(document).height() + 'px';
799	}
800	},
801
802	width: function() {
803	var scrollWidth,
804	offsetWidth;
805	// handle IE 6
806	if ($.browser.msie && $.browser.version < 7) {
807	scrollWidth = Math.max(
808	document.documentElement.scrollWidth,
809	document.body.scrollWidth
810	);
811	offsetWidth = Math.max(
812	document.documentElement.offsetWidth,
813	document.body.offsetWidth
814	);
815
816	if (scrollWidth < offsetWidth) {
817	return $(window).width() + 'px';
818	} else {
819	return scrollWidth + 'px';
820	}
821	// handle "good" browsers
822	} else {
823	return $(document).width() + 'px';
824	}
825	},
826
827	resize: function() {
828	/* If the dialog is draggable and the user drags it past the
829	* right edge of the window, the document becomes wider so we
830	* need to stretch the overlay. If the user then drags the
831	* dialog back to the left, the document will become narrower,
832	* so we need to shrink the overlay to the appropriate size.
833	* This is handled by shrinking the overlay before setting it
834	* to the full document size.
835	*/
836	var $overlays = $([]);
837	$.each($.ui.dialog.overlay.instances, function() {
838	$overlays = $overlays.add(this);
839	});
840
841	$overlays.css({
842	width: 0,
843	height: 0
844	}).css({
845	width: $.ui.dialog.overlay.width(),
846	height: $.ui.dialog.overlay.height()
847	});
848	}
849	});
850
851	$.extend($.ui.dialog.overlay.prototype, {
852	destroy: function() {
853	$.ui.dialog.overlay.destroy(this.$el);
854	}
855	});
856
857	}(jQuery));

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