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comparison war/scripts/jQuery/ui/jquery.ui.dialog.js @ 3:cf06b77a8bbd

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Committed branch of the e4D repos sti-gwt branch 16384. git-svn-id: http://dev.dariah.eu/svn/repos/eu.dariah.de/ap1/sti-gwt-dariah-geobrowser@36 f2b5be40-def6-11e0-8a09-b3c1cc336c6b
author StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
date Tue, 17 Jul 2012 13:34:40 +0000
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2:2897af43ccc6 3:cf06b77a8bbd
1 /*
2 * jQuery UI Dialog 1.8.14
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 // support for jQuery 1.3.2 - handle common attrFn methods for dialog
42 attrFn = $.attrFn || {
43 val: true,
44 css: true,
45 html: true,
46 text: true,
47 data: true,
48 width: true,
49 height: true,
50 offset: true,
51 click: true
52 };
53
54 $.widget("ui.dialog", {
55 options: {
56 autoOpen: true,
57 buttons: {},
58 closeOnEscape: true,
59 closeText: 'close',
60 dialogClass: '',
61 draggable: true,
62 hide: null,
63 height: 'auto',
64 maxHeight: false,
65 maxWidth: false,
66 minHeight: 150,
67 minWidth: 150,
68 modal: false,
69 position: {
70 my: 'center',
71 at: 'center',
72 collision: 'fit',
73 // ensure that the titlebar is never outside the document
74 using: function(pos) {
75 var topOffset = $(this).css(pos).offset().top;
76 if (topOffset < 0) {
77 $(this).css('top', pos.top - topOffset);
78 }
79 }
80 },
81 resizable: true,
82 show: null,
83 stack: true,
84 title: '',
85 width: 300,
86 zIndex: 1000
87 },
88
89 _create: function() {
90 this.originalTitle = this.element.attr('title');
91 // #5742 - .attr() might return a DOMElement
92 if ( typeof this.originalTitle !== "string" ) {
93 this.originalTitle = "";
94 }
95
96 this.options.title = this.options.title || this.originalTitle;
97 var self = this,
98 options = self.options,
99
100 title = options.title || '&#160;',
101 titleId = $.ui.dialog.getTitleId(self.element),
102
103 uiDialog = (self.uiDialog = $('<div></div>'))
104 .appendTo(document.body)
105 .hide()
106 .addClass(uiDialogClasses + options.dialogClass)
107 .css({
108 zIndex: options.zIndex
109 })
110 // setting tabIndex makes the div focusable
111 // setting outline to 0 prevents a border on focus in Mozilla
112 .attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
113 if (options.closeOnEscape && event.keyCode &&
114 event.keyCode === $.ui.keyCode.ESCAPE) {
115
116 self.close(event);
117 event.preventDefault();
118 }
119 })
120 .attr({
121 role: 'dialog',
122 'aria-labelledby': titleId
123 })
124 .mousedown(function(event) {
125 self.moveToTop(false, event);
126 }),
127
128 uiDialogContent = self.element
129 .show()
130 .removeAttr('title')
131 .addClass(
132 'ui-dialog-content ' +
133 'ui-widget-content')
134 .appendTo(uiDialog),
135
136 uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
137 .addClass(
138 'ui-dialog-titlebar ' +
139 'ui-widget-header ' +
140 'ui-corner-all ' +
141 'ui-helper-clearfix'
142 )
143 .prependTo(uiDialog),
144
145 uiDialogTitlebarClose = $('<a href="#"></a>')
146 .addClass(
147 'ui-dialog-titlebar-close ' +
148 'ui-corner-all'
149 )
150 .attr('role', 'button')
151 .hover(
152 function() {
153 uiDialogTitlebarClose.addClass('ui-state-hover');
154 },
155 function() {
156 uiDialogTitlebarClose.removeClass('ui-state-hover');
157 }
158 )
159 .focus(function() {
160 uiDialogTitlebarClose.addClass('ui-state-focus');
161 })
162 .blur(function() {
163 uiDialogTitlebarClose.removeClass('ui-state-focus');
164 })
165 .click(function(event) {
166 self.close(event);
167 return false;
168 })
169 .appendTo(uiDialogTitlebar),
170
171 uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
172 .addClass(
173 'ui-icon ' +
174 'ui-icon-closethick'
175 )
176 .text(options.closeText)
177 .appendTo(uiDialogTitlebarClose),
178
179 uiDialogTitle = $('<span></span>')
180 .addClass('ui-dialog-title')
181 .attr('id', titleId)
182 .html(title)
183 .prependTo(uiDialogTitlebar);
184
185 //handling of deprecated beforeclose (vs beforeClose) option
186 //Ticket #4669 http://dev.jqueryui.com/ticket/4669
187 //TODO: remove in 1.9pre
188 if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
189 options.beforeClose = options.beforeclose;
190 }
191
192 uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
193
194 if (options.draggable && $.fn.draggable) {
195 self._makeDraggable();
196 }
197 if (options.resizable && $.fn.resizable) {
198 self._makeResizable();
199 }
200
201 self._createButtons(options.buttons);
202 self._isOpen = false;
203
204 if ($.fn.bgiframe) {
205 uiDialog.bgiframe();
206 }
207 },
208
209 _init: function() {
210 if ( this.options.autoOpen ) {
211 this.open();
212 }
213 },
214
215 destroy: function() {
216 var self = this;
217
218 if (self.overlay) {
219 self.overlay.destroy();
220 }
221 self.uiDialog.hide();
222 self.element
223 .unbind('.dialog')
224 .removeData('dialog')
225 .removeClass('ui-dialog-content ui-widget-content')
226 .hide().appendTo('body');
227 self.uiDialog.remove();
228
229 if (self.originalTitle) {
230 self.element.attr('title', self.originalTitle);
231 }
232
233 return self;
234 },
235
236 widget: function() {
237 return this.uiDialog;
238 },
239
240 close: function(event) {
241 var self = this,
242 maxZ, thisZ;
243
244 if (false === self._trigger('beforeClose', event)) {
245 return;
246 }
247
248 if (self.overlay) {
249 self.overlay.destroy();
250 }
251 self.uiDialog.unbind('keypress.ui-dialog');
252
253 self._isOpen = false;
254
255 if (self.options.hide) {
256 self.uiDialog.hide(self.options.hide, function() {
257 self._trigger('close', event);
258 });
259 } else {
260 self.uiDialog.hide();
261 self._trigger('close', event);
262 }
263
264 $.ui.dialog.overlay.resize();
265
266 // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
267 if (self.options.modal) {
268 maxZ = 0;
269 $('.ui-dialog').each(function() {
270 if (this !== self.uiDialog[0]) {
271 thisZ = $(this).css('z-index');
272 if(!isNaN(thisZ)) {
273 maxZ = Math.max(maxZ, thisZ);
274 }
275 }
276 });
277 $.ui.dialog.maxZ = maxZ;
278 }
279
280 return self;
281 },
282
283 isOpen: function() {
284 return this._isOpen;
285 },
286
287 // the force parameter allows us to move modal dialogs to their correct
288 // position on open
289 moveToTop: function(force, event) {
290 var self = this,
291 options = self.options,
292 saveScroll;
293
294 if ((options.modal && !force) ||
295 (!options.stack && !options.modal)) {
296 return self._trigger('focus', event);
297 }
298
299 if (options.zIndex > $.ui.dialog.maxZ) {
300 $.ui.dialog.maxZ = options.zIndex;
301 }
302 if (self.overlay) {
303 $.ui.dialog.maxZ += 1;
304 self.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ);
305 }
306
307 //Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
308 // http://ui.jquery.com/bugs/ticket/3193
309 saveScroll = { scrollTop: self.element.attr('scrollTop'), scrollLeft: self.element.attr('scrollLeft') };
310 $.ui.dialog.maxZ += 1;
311 self.uiDialog.css('z-index', $.ui.dialog.maxZ);
312 self.element.attr(saveScroll);
313 self._trigger('focus', event);
314
315 return self;
316 },
317
318 open: function() {
319 if (this._isOpen) { return; }
320
321 var self = this,
322 options = self.options,
323 uiDialog = self.uiDialog;
324
325 self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
326 self._size();
327 self._position(options.position);
328 uiDialog.show(options.show);
329 self.moveToTop(true);
330
331 // prevent tabbing out of modal dialogs
332 if (options.modal) {
333 uiDialog.bind('keypress.ui-dialog', function(event) {
334 if (event.keyCode !== $.ui.keyCode.TAB) {
335 return;
336 }
337
338 var tabbables = $(':tabbable', this),
339 first = tabbables.filter(':first'),
340 last = tabbables.filter(':last');
341
342 if (event.target === last[0] && !event.shiftKey) {
343 first.focus(1);
344 return false;
345 } else if (event.target === first[0] && event.shiftKey) {
346 last.focus(1);
347 return false;
348 }
349 });
350 }
351
352 // set focus to the first tabbable element in the content area or the first button
353 // if there are no tabbable elements, set focus on the dialog itself
354 $(self.element.find(':tabbable').get().concat(
355 uiDialog.find('.ui-dialog-buttonpane :tabbable').get().concat(
356 uiDialog.get()))).eq(0).focus();
357
358 self._isOpen = true;
359 self._trigger('open');
360
361 return self;
362 },
363
364 _createButtons: function(buttons) {
365 var self = this,
366 hasButtons = false,
367 uiDialogButtonPane = $('<div></div>')
368 .addClass(
369 'ui-dialog-buttonpane ' +
370 'ui-widget-content ' +
371 'ui-helper-clearfix'
372 ),
373 uiButtonSet = $( "<div></div>" )
374 .addClass( "ui-dialog-buttonset" )
375 .appendTo( uiDialogButtonPane );
376
377 // if we already have a button pane, remove it
378 self.uiDialog.find('.ui-dialog-buttonpane').remove();
379
380 if (typeof buttons === 'object' && buttons !== null) {
381 $.each(buttons, function() {
382 return !(hasButtons = true);
383 });
384 }
385 if (hasButtons) {
386 $.each(buttons, function(name, props) {
387 props = $.isFunction( props ) ?
388 { click: props, text: name } :
389 props;
390 var button = $('<button type="button"></button>')
391 .click(function() {
392 props.click.apply(self.element[0], arguments);
393 })
394 .appendTo(uiButtonSet);
395 // can't use .attr( props, true ) with jQuery 1.3.2.
396 $.each( props, function( key, value ) {
397 if ( key === "click" ) {
398 return;
399 }
400 if ( key in attrFn ) {
401 button[ key ]( value );
402 } else {
403 button.attr( key, value );
404 }
405 });
406 if ($.fn.button) {
407 button.button();
408 }
409 });
410 uiDialogButtonPane.appendTo(self.uiDialog);
411 }
412 },
413
414 _makeDraggable: function() {
415 var self = this,
416 options = self.options,
417 doc = $(document),
418 heightBeforeDrag;
419
420 function filteredUi(ui) {
421 return {
422 position: ui.position,
423 offset: ui.offset
424 };
425 }
426
427 self.uiDialog.draggable({
428 cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
429 handle: '.ui-dialog-titlebar',
430 containment: 'document',
431 start: function(event, ui) {
432 heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
433 $(this).height($(this).height()).addClass("ui-dialog-dragging");
434 self._trigger('dragStart', event, filteredUi(ui));
435 },
436 drag: function(event, ui) {
437 self._trigger('drag', event, filteredUi(ui));
438 },
439 stop: function(event, ui) {
440 options.position = [ui.position.left - doc.scrollLeft(),
441 ui.position.top - doc.scrollTop()];
442 $(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
443 self._trigger('dragStop', event, filteredUi(ui));
444 $.ui.dialog.overlay.resize();
445 }
446 });
447 },
448
449 _makeResizable: function(handles) {
450 handles = (handles === undefined ? this.options.resizable : handles);
451 var self = this,
452 options = self.options,
453 // .ui-resizable has position: relative defined in the stylesheet
454 // but dialogs have to use absolute or fixed positioning
455 position = self.uiDialog.css('position'),
456 resizeHandles = (typeof handles === 'string' ?
457 handles :
458 'n,e,s,w,se,sw,ne,nw'
459 );
460
461 function filteredUi(ui) {
462 return {
463 originalPosition: ui.originalPosition,
464 originalSize: ui.originalSize,
465 position: ui.position,
466 size: ui.size
467 };
468 }
469
470 self.uiDialog.resizable({
471 cancel: '.ui-dialog-content',
472 containment: 'document',
473 alsoResize: self.element,
474 maxWidth: options.maxWidth,
475 maxHeight: options.maxHeight,
476 minWidth: options.minWidth,
477 minHeight: self._minHeight(),
478 handles: resizeHandles,
479 start: function(event, ui) {
480 $(this).addClass("ui-dialog-resizing");
481 self._trigger('resizeStart', event, filteredUi(ui));
482 },
483 resize: function(event, ui) {
484 self._trigger('resize', event, filteredUi(ui));
485 },
486 stop: function(event, ui) {
487 $(this).removeClass("ui-dialog-resizing");
488 options.height = $(this).height();
489 options.width = $(this).width();
490 self._trigger('resizeStop', event, filteredUi(ui));
491 $.ui.dialog.overlay.resize();
492 }
493 })
494 .css('position', position)
495 .find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
496 },
497
498 _minHeight: function() {
499 var options = this.options;
500
501 if (options.height === 'auto') {
502 return options.minHeight;
503 } else {
504 return Math.min(options.minHeight, options.height);
505 }
506 },
507
508 _position: function(position) {
509 var myAt = [],
510 offset = [0, 0],
511 isVisible;
512
513 if (position) {
514 // deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
515 // if (typeof position == 'string' || $.isArray(position)) {
516 // myAt = $.isArray(position) ? position : position.split(' ');
517
518 if (typeof position === 'string' || (typeof position === 'object' && '0' in position)) {
519 myAt = position.split ? position.split(' ') : [position[0], position[1]];
520 if (myAt.length === 1) {
521 myAt[1] = myAt[0];
522 }
523
524 $.each(['left', 'top'], function(i, offsetPosition) {
525 if (+myAt[i] === myAt[i]) {
526 offset[i] = myAt[i];
527 myAt[i] = offsetPosition;
528 }
529 });
530
531 position = {
532 my: myAt.join(" "),
533 at: myAt.join(" "),
534 offset: offset.join(" ")
535 };
536 }
537
538 position = $.extend({}, $.ui.dialog.prototype.options.position, position);
539 } else {
540 position = $.ui.dialog.prototype.options.position;
541 }
542
543 // need to show the dialog to get the actual offset in the position plugin
544 isVisible = this.uiDialog.is(':visible');
545 if (!isVisible) {
546 this.uiDialog.show();
547 }
548 this.uiDialog
549 // workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
550 .css({ top: 0, left: 0 })
551 .position($.extend({ of: window }, position));
552 if (!isVisible) {
553 this.uiDialog.hide();
554 }
555 },
556
557 _setOptions: function( options ) {
558 var self = this,
559 resizableOptions = {},
560 resize = false;
561
562 $.each( options, function( key, value ) {
563 self._setOption( key, value );
564
565 if ( key in sizeRelatedOptions ) {
566 resize = true;
567 }
568 if ( key in resizableRelatedOptions ) {
569 resizableOptions[ key ] = value;
570 }
571 });
572
573 if ( resize ) {
574 this._size();
575 }
576 if ( this.uiDialog.is( ":data(resizable)" ) ) {
577 this.uiDialog.resizable( "option", resizableOptions );
578 }
579 },
580
581 _setOption: function(key, value){
582 var self = this,
583 uiDialog = self.uiDialog;
584
585 switch (key) {
586 //handling of deprecated beforeclose (vs beforeClose) option
587 //Ticket #4669 http://dev.jqueryui.com/ticket/4669
588 //TODO: remove in 1.9pre
589 case "beforeclose":
590 key = "beforeClose";
591 break;
592 case "buttons":
593 self._createButtons(value);
594 break;
595 case "closeText":
596 // ensure that we always pass a string
597 self.uiDialogTitlebarCloseText.text("" + value);
598 break;
599 case "dialogClass":
600 uiDialog
601 .removeClass(self.options.dialogClass)
602 .addClass(uiDialogClasses + value);
603 break;
604 case "disabled":
605 if (value) {
606 uiDialog.addClass('ui-dialog-disabled');
607 } else {
608 uiDialog.removeClass('ui-dialog-disabled');
609 }
610 break;
611 case "draggable":
612 var isDraggable = uiDialog.is( ":data(draggable)" );
613 if ( isDraggable && !value ) {
614 uiDialog.draggable( "destroy" );
615 }
616
617 if ( !isDraggable && value ) {
618 self._makeDraggable();
619 }
620 break;
621 case "position":
622 self._position(value);
623 break;
624 case "resizable":
625 // currently resizable, becoming non-resizable
626 var isResizable = uiDialog.is( ":data(resizable)" );
627 if (isResizable && !value) {
628 uiDialog.resizable('destroy');
629 }
630
631 // currently resizable, changing handles
632 if (isResizable && typeof value === 'string') {
633 uiDialog.resizable('option', 'handles', value);
634 }
635
636 // currently non-resizable, becoming resizable
637 if (!isResizable && value !== false) {
638 self._makeResizable(value);
639 }
640 break;
641 case "title":
642 // convert whatever was passed in o a string, for html() to not throw up
643 $(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value || '&#160;'));
644 break;
645 }
646
647 $.Widget.prototype._setOption.apply(self, arguments);
648 },
649
650 _size: function() {
651 /* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
652 * divs will both have width and height set, so we need to reset them
653 */
654 var options = this.options,
655 nonContentHeight,
656 minContentHeight,
657 isVisible = this.uiDialog.is( ":visible" );
658
659 // reset content sizing
660 this.element.show().css({
661 width: 'auto',
662 minHeight: 0,
663 height: 0
664 });
665
666 if (options.minWidth > options.width) {
667 options.width = options.minWidth;
668 }
669
670 // reset wrapper sizing
671 // determine the height of all the non-content elements
672 nonContentHeight = this.uiDialog.css({
673 height: 'auto',
674 width: options.width
675 })
676 .height();
677 minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
678
679 if ( options.height === "auto" ) {
680 // only needed for IE6 support
681 if ( $.support.minHeight ) {
682 this.element.css({
683 minHeight: minContentHeight,
684 height: "auto"
685 });
686 } else {
687 this.uiDialog.show();
688 var autoHeight = this.element.css( "height", "auto" ).height();
689 if ( !isVisible ) {
690 this.uiDialog.hide();
691 }
692 this.element.height( Math.max( autoHeight, minContentHeight ) );
693 }
694 } else {
695 this.element.height( Math.max( options.height - nonContentHeight, 0 ) );
696 }
697
698 if (this.uiDialog.is(':data(resizable)')) {
699 this.uiDialog.resizable('option', 'minHeight', this._minHeight());
700 }
701 }
702 });
703
704 $.extend($.ui.dialog, {
705 version: "1.8.14",
706
707 uuid: 0,
708 maxZ: 0,
709
710 getTitleId: function($el) {
711 var id = $el.attr('id');
712 if (!id) {
713 this.uuid += 1;
714 id = this.uuid;
715 }
716 return 'ui-dialog-title-' + id;
717 },
718
719 overlay: function(dialog) {
720 this.$el = $.ui.dialog.overlay.create(dialog);
721 }
722 });
723
724 $.extend($.ui.dialog.overlay, {
725 instances: [],
726 // reuse old instances due to IE memory leak with alpha transparency (see #5185)
727 oldInstances: [],
728 maxZ: 0,
729 events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
730 function(event) { return event + '.dialog-overlay'; }).join(' '),
731 create: function(dialog) {
732 if (this.instances.length === 0) {
733 // prevent use of anchors and inputs
734 // we use a setTimeout in case the overlay is created from an
735 // event that we're going to be cancelling (see #2804)
736 setTimeout(function() {
737 // handle $(el).dialog().dialog('close') (see #4065)
738 if ($.ui.dialog.overlay.instances.length) {
739 $(document).bind($.ui.dialog.overlay.events, function(event) {
740 // stop events if the z-index of the target is < the z-index of the overlay
741 // we cannot return true when we don't want to cancel the event (#3523)
742 if ($(event.target).zIndex() < $.ui.dialog.overlay.maxZ) {
743 return false;
744 }
745 });
746 }
747 }, 1);
748
749 // allow closing by pressing the escape key
750 $(document).bind('keydown.dialog-overlay', function(event) {
751 if (dialog.options.closeOnEscape && event.keyCode &&
752 event.keyCode === $.ui.keyCode.ESCAPE) {
753
754 dialog.close(event);
755 event.preventDefault();
756 }
757 });
758
759 // handle window resize
760 $(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
761 }
762
763 var $el = (this.oldInstances.pop() || $('<div></div>').addClass('ui-widget-overlay'))
764 .appendTo(document.body)
765 .css({
766 width: this.width(),
767 height: this.height()
768 });
769
770 if ($.fn.bgiframe) {
771 $el.bgiframe();
772 }
773
774 this.instances.push($el);
775 return $el;
776 },
777
778 destroy: function($el) {
779 var indexOf = $.inArray($el, this.instances);
780 if (indexOf != -1){
781 this.oldInstances.push(this.instances.splice(indexOf, 1)[0]);
782 }
783
784 if (this.instances.length === 0) {
785 $([document, window]).unbind('.dialog-overlay');
786 }
787
788 $el.remove();
789
790 // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
791 var maxZ = 0;
792 $.each(this.instances, function() {
793 maxZ = Math.max(maxZ, this.css('z-index'));
794 });
795 this.maxZ = maxZ;
796 },
797
798 height: function() {
799 var scrollHeight,
800 offsetHeight;
801 // handle IE 6
802 if ($.browser.msie && $.browser.version < 7) {
803 scrollHeight = Math.max(
804 document.documentElement.scrollHeight,
805 document.body.scrollHeight
806 );
807 offsetHeight = Math.max(
808 document.documentElement.offsetHeight,
809 document.body.offsetHeight
810 );
811
812 if (scrollHeight < offsetHeight) {
813 return $(window).height() + 'px';
814 } else {
815 return scrollHeight + 'px';
816 }
817 // handle "good" browsers
818 } else {
819 return $(document).height() + 'px';
820 }
821 },
822
823 width: function() {
824 var scrollWidth,
825 offsetWidth;
826 // handle IE
827 if ( $.browser.msie ) {
828 scrollWidth = Math.max(
829 document.documentElement.scrollWidth,
830 document.body.scrollWidth
831 );
832 offsetWidth = Math.max(
833 document.documentElement.offsetWidth,
834 document.body.offsetWidth
835 );
836
837 if (scrollWidth < offsetWidth) {
838 return $(window).width() + 'px';
839 } else {
840 return scrollWidth + 'px';
841 }
842 // handle "good" browsers
843 } else {
844 return $(document).width() + 'px';
845 }
846 },
847
848 resize: function() {
849 /* If the dialog is draggable and the user drags it past the
850 * right edge of the window, the document becomes wider so we
851 * need to stretch the overlay. If the user then drags the
852 * dialog back to the left, the document will become narrower,
853 * so we need to shrink the overlay to the appropriate size.
854 * This is handled by shrinking the overlay before setting it
855 * to the full document size.
856 */
857 var $overlays = $([]);
858 $.each($.ui.dialog.overlay.instances, function() {
859 $overlays = $overlays.add(this);
860 });
861
862 $overlays.css({
863 width: 0,
864 height: 0
865 }).css({
866 width: $.ui.dialog.overlay.width(),
867 height: $.ui.dialog.overlay.height()
868 });
869 }
870 });
871
872 $.extend($.ui.dialog.overlay.prototype, {
873 destroy: function() {
874 $.ui.dialog.overlay.destroy(this.$el);
875 }
876 });
877
878 }(jQuery));