Merge "Special:Upload should not crash on failing previews"
[mediawiki.git] / resources / lib / jquery.ui / jquery.ui.tabs.js
blob6ea164eb780c837a979cc6be3684d4ad66ebc02a
1 /*!
2  * jQuery UI Tabs 1.9.2
3  * http://jqueryui.com
4  *
5  * Copyright 2012 jQuery Foundation and other contributors
6  * Released under the MIT license.
7  * http://jquery.org/license
8  *
9  * http://api.jqueryui.com/tabs/
10  *
11  * Depends:
12  *      jquery.ui.core.js
13  *      jquery.ui.widget.js
14  */
15 (function( $, undefined ) {
17 var tabId = 0,
18         rhash = /#.*$/;
20 function getNextTabId() {
21         return ++tabId;
24 function isLocal( anchor ) {
25         return anchor.hash.length > 1 &&
26                 anchor.href.replace( rhash, "" ) ===
27                         location.href.replace( rhash, "" )
28                                 // support: Safari 5.1
29                                 // Safari 5.1 doesn't encode spaces in window.location
30                                 // but it does encode spaces from anchors (#8777)
31                                 .replace( /\s/g, "%20" );
34 $.widget( "ui.tabs", {
35         version: "1.9.2",
36         delay: 300,
37         options: {
38                 active: null,
39                 collapsible: false,
40                 event: "click",
41                 heightStyle: "content",
42                 hide: null,
43                 show: null,
45                 // callbacks
46                 activate: null,
47                 beforeActivate: null,
48                 beforeLoad: null,
49                 load: null
50         },
52         _create: function() {
53                 var that = this,
54                         options = this.options,
55                         active = options.active,
56                         locationHash = location.hash.substring( 1 );
58                 this.running = false;
60                 this.element
61                         .addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
62                         .toggleClass( "ui-tabs-collapsible", options.collapsible )
63                         // Prevent users from focusing disabled tabs via click
64                         .delegate( ".ui-tabs-nav > li", "mousedown" + this.eventNamespace, function( event ) {
65                                 if ( $( this ).is( ".ui-state-disabled" ) ) {
66                                         event.preventDefault();
67                                 }
68                         })
69                         // support: IE <9
70                         // Preventing the default action in mousedown doesn't prevent IE
71                         // from focusing the element, so if the anchor gets focused, blur.
72                         // We don't have to worry about focusing the previously focused
73                         // element since clicking on a non-focusable element should focus
74                         // the body anyway.
75                         .delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
76                                 if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
77                                         this.blur();
78                                 }
79                         });
81                 this._processTabs();
83                 if ( active === null ) {
84                         // check the fragment identifier in the URL
85                         if ( locationHash ) {
86                                 this.tabs.each(function( i, tab ) {
87                                         if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
88                                                 active = i;
89                                                 return false;
90                                         }
91                                 });
92                         }
94                         // check for a tab marked active via a class
95                         if ( active === null ) {
96                                 active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
97                         }
99                         // no active tab, set to false
100                         if ( active === null || active === -1 ) {
101                                 active = this.tabs.length ? 0 : false;
102                         }
103                 }
105                 // handle numbers: negative, out of range
106                 if ( active !== false ) {
107                         active = this.tabs.index( this.tabs.eq( active ) );
108                         if ( active === -1 ) {
109                                 active = options.collapsible ? false : 0;
110                         }
111                 }
112                 options.active = active;
114                 // don't allow collapsible: false and active: false
115                 if ( !options.collapsible && options.active === false && this.anchors.length ) {
116                         options.active = 0;
117                 }
119                 // Take disabling tabs via class attribute from HTML
120                 // into account and update option properly.
121                 if ( $.isArray( options.disabled ) ) {
122                         options.disabled = $.unique( options.disabled.concat(
123                                 $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
124                                         return that.tabs.index( li );
125                                 })
126                         ) ).sort();
127                 }
129                 // check for length avoids error when initializing empty list
130                 if ( this.options.active !== false && this.anchors.length ) {
131                         this.active = this._findActive( this.options.active );
132                 } else {
133                         this.active = $();
134                 }
136                 this._refresh();
138                 if ( this.active.length ) {
139                         this.load( options.active );
140                 }
141         },
143         _getCreateEventData: function() {
144                 return {
145                         tab: this.active,
146                         panel: !this.active.length ? $() : this._getPanelForTab( this.active )
147                 };
148         },
150         _tabKeydown: function( event ) {
151                 var focusedTab = $( this.document[0].activeElement ).closest( "li" ),
152                         selectedIndex = this.tabs.index( focusedTab ),
153                         goingForward = true;
155                 if ( this._handlePageNav( event ) ) {
156                         return;
157                 }
159                 switch ( event.keyCode ) {
160                         case $.ui.keyCode.RIGHT:
161                         case $.ui.keyCode.DOWN:
162                                 selectedIndex++;
163                                 break;
164                         case $.ui.keyCode.UP:
165                         case $.ui.keyCode.LEFT:
166                                 goingForward = false;
167                                 selectedIndex--;
168                                 break;
169                         case $.ui.keyCode.END:
170                                 selectedIndex = this.anchors.length - 1;
171                                 break;
172                         case $.ui.keyCode.HOME:
173                                 selectedIndex = 0;
174                                 break;
175                         case $.ui.keyCode.SPACE:
176                                 // Activate only, no collapsing
177                                 event.preventDefault();
178                                 clearTimeout( this.activating );
179                                 this._activate( selectedIndex );
180                                 return;
181                         case $.ui.keyCode.ENTER:
182                                 // Toggle (cancel delayed activation, allow collapsing)
183                                 event.preventDefault();
184                                 clearTimeout( this.activating );
185                                 // Determine if we should collapse or activate
186                                 this._activate( selectedIndex === this.options.active ? false : selectedIndex );
187                                 return;
188                         default:
189                                 return;
190                 }
192                 // Focus the appropriate tab, based on which key was pressed
193                 event.preventDefault();
194                 clearTimeout( this.activating );
195                 selectedIndex = this._focusNextTab( selectedIndex, goingForward );
197                 // Navigating with control key will prevent automatic activation
198                 if ( !event.ctrlKey ) {
199                         // Update aria-selected immediately so that AT think the tab is already selected.
200                         // Otherwise AT may confuse the user by stating that they need to activate the tab,
201                         // but the tab will already be activated by the time the announcement finishes.
202                         focusedTab.attr( "aria-selected", "false" );
203                         this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );
205                         this.activating = this._delay(function() {
206                                 this.option( "active", selectedIndex );
207                         }, this.delay );
208                 }
209         },
211         _panelKeydown: function( event ) {
212                 if ( this._handlePageNav( event ) ) {
213                         return;
214                 }
216                 // Ctrl+up moves focus to the current tab
217                 if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
218                         event.preventDefault();
219                         this.active.focus();
220                 }
221         },
223         // Alt+page up/down moves focus to the previous/next tab (and activates)
224         _handlePageNav: function( event ) {
225                 if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
226                         this._activate( this._focusNextTab( this.options.active - 1, false ) );
227                         return true;
228                 }
229                 if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
230                         this._activate( this._focusNextTab( this.options.active + 1, true ) );
231                         return true;
232                 }
233         },
235         _findNextTab: function( index, goingForward ) {
236                 var lastTabIndex = this.tabs.length - 1;
238                 function constrain() {
239                         if ( index > lastTabIndex ) {
240                                 index = 0;
241                         }
242                         if ( index < 0 ) {
243                                 index = lastTabIndex;
244                         }
245                         return index;
246                 }
248                 while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
249                         index = goingForward ? index + 1 : index - 1;
250                 }
252                 return index;
253         },
255         _focusNextTab: function( index, goingForward ) {
256                 index = this._findNextTab( index, goingForward );
257                 this.tabs.eq( index ).focus();
258                 return index;
259         },
261         _setOption: function( key, value ) {
262                 if ( key === "active" ) {
263                         // _activate() will handle invalid values and update this.options
264                         this._activate( value );
265                         return;
266                 }
268                 if ( key === "disabled" ) {
269                         // don't use the widget factory's disabled handling
270                         this._setupDisabled( value );
271                         return;
272                 }
274                 this._super( key, value);
276                 if ( key === "collapsible" ) {
277                         this.element.toggleClass( "ui-tabs-collapsible", value );
278                         // Setting collapsible: false while collapsed; open first panel
279                         if ( !value && this.options.active === false ) {
280                                 this._activate( 0 );
281                         }
282                 }
284                 if ( key === "event" ) {
285                         this._setupEvents( value );
286                 }
288                 if ( key === "heightStyle" ) {
289                         this._setupHeightStyle( value );
290                 }
291         },
293         _tabId: function( tab ) {
294                 return tab.attr( "aria-controls" ) || "ui-tabs-" + getNextTabId();
295         },
297         _sanitizeSelector: function( hash ) {
298                 return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
299         },
301         refresh: function() {
302                 var options = this.options,
303                         lis = this.tablist.children( ":has(a[href])" );
305                 // get disabled tabs from class attribute from HTML
306                 // this will get converted to a boolean if needed in _refresh()
307                 options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
308                         return lis.index( tab );
309                 });
311                 this._processTabs();
313                 // was collapsed or no tabs
314                 if ( options.active === false || !this.anchors.length ) {
315                         options.active = false;
316                         this.active = $();
317                 // was active, but active tab is gone
318                 } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
319                         // all remaining tabs are disabled
320                         if ( this.tabs.length === options.disabled.length ) {
321                                 options.active = false;
322                                 this.active = $();
323                         // activate previous tab
324                         } else {
325                                 this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
326                         }
327                 // was active, active tab still exists
328                 } else {
329                         // make sure active index is correct
330                         options.active = this.tabs.index( this.active );
331                 }
333                 this._refresh();
334         },
336         _refresh: function() {
337                 this._setupDisabled( this.options.disabled );
338                 this._setupEvents( this.options.event );
339                 this._setupHeightStyle( this.options.heightStyle );
341                 this.tabs.not( this.active ).attr({
342                         "aria-selected": "false",
343                         tabIndex: -1
344                 });
345                 this.panels.not( this._getPanelForTab( this.active ) )
346                         .hide()
347                         .attr({
348                                 "aria-expanded": "false",
349                                 "aria-hidden": "true"
350                         });
352                 // Make sure one tab is in the tab order
353                 if ( !this.active.length ) {
354                         this.tabs.eq( 0 ).attr( "tabIndex", 0 );
355                 } else {
356                         this.active
357                                 .addClass( "ui-tabs-active ui-state-active" )
358                                 .attr({
359                                         "aria-selected": "true",
360                                         tabIndex: 0
361                                 });
362                         this._getPanelForTab( this.active )
363                                 .show()
364                                 .attr({
365                                         "aria-expanded": "true",
366                                         "aria-hidden": "false"
367                                 });
368                 }
369         },
371         _processTabs: function() {
372                 var that = this;
374                 this.tablist = this._getList()
375                         .addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
376                         .attr( "role", "tablist" );
378                 this.tabs = this.tablist.find( "> li:has(a[href])" )
379                         .addClass( "ui-state-default ui-corner-top" )
380                         .attr({
381                                 role: "tab",
382                                 tabIndex: -1
383                         });
385                 this.anchors = this.tabs.map(function() {
386                                 return $( "a", this )[ 0 ];
387                         })
388                         .addClass( "ui-tabs-anchor" )
389                         .attr({
390                                 role: "presentation",
391                                 tabIndex: -1
392                         });
394                 this.panels = $();
396                 this.anchors.each(function( i, anchor ) {
397                         var selector, panel, panelId,
398                                 anchorId = $( anchor ).uniqueId().attr( "id" ),
399                                 tab = $( anchor ).closest( "li" ),
400                                 originalAriaControls = tab.attr( "aria-controls" );
402                         // inline tab
403                         if ( isLocal( anchor ) ) {
404                                 selector = anchor.hash;
405                                 panel = that.element.find( that._sanitizeSelector( selector ) );
406                         // remote tab
407                         } else {
408                                 panelId = that._tabId( tab );
409                                 selector = "#" + panelId;
410                                 panel = that.element.find( selector );
411                                 if ( !panel.length ) {
412                                         panel = that._createPanel( panelId );
413                                         panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
414                                 }
415                                 panel.attr( "aria-live", "polite" );
416                         }
418                         if ( panel.length) {
419                                 that.panels = that.panels.add( panel );
420                         }
421                         if ( originalAriaControls ) {
422                                 tab.data( "ui-tabs-aria-controls", originalAriaControls );
423                         }
424                         tab.attr({
425                                 "aria-controls": selector.substring( 1 ),
426                                 "aria-labelledby": anchorId
427                         });
428                         panel.attr( "aria-labelledby", anchorId );
429                 });
431                 this.panels
432                         .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
433                         .attr( "role", "tabpanel" );
434         },
436         // allow overriding how to find the list for rare usage scenarios (#7715)
437         _getList: function() {
438                 return this.element.find( "ol,ul" ).eq( 0 );
439         },
441         _createPanel: function( id ) {
442                 return $( "<div>" )
443                         .attr( "id", id )
444                         .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
445                         .data( "ui-tabs-destroy", true );
446         },
448         _setupDisabled: function( disabled ) {
449                 if ( $.isArray( disabled ) ) {
450                         if ( !disabled.length ) {
451                                 disabled = false;
452                         } else if ( disabled.length === this.anchors.length ) {
453                                 disabled = true;
454                         }
455                 }
457                 // disable tabs
458                 for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
459                         if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
460                                 $( li )
461                                         .addClass( "ui-state-disabled" )
462                                         .attr( "aria-disabled", "true" );
463                         } else {
464                                 $( li )
465                                         .removeClass( "ui-state-disabled" )
466                                         .removeAttr( "aria-disabled" );
467                         }
468                 }
470                 this.options.disabled = disabled;
471         },
473         _setupEvents: function( event ) {
474                 var events = {
475                         click: function( event ) {
476                                 event.preventDefault();
477                         }
478                 };
479                 if ( event ) {
480                         $.each( event.split(" "), function( index, eventName ) {
481                                 events[ eventName ] = "_eventHandler";
482                         });
483                 }
485                 this._off( this.anchors.add( this.tabs ).add( this.panels ) );
486                 this._on( this.anchors, events );
487                 this._on( this.tabs, { keydown: "_tabKeydown" } );
488                 this._on( this.panels, { keydown: "_panelKeydown" } );
490                 this._focusable( this.tabs );
491                 this._hoverable( this.tabs );
492         },
494         _setupHeightStyle: function( heightStyle ) {
495                 var maxHeight, overflow,
496                         parent = this.element.parent();
498                 if ( heightStyle === "fill" ) {
499                         // IE 6 treats height like minHeight, so we need to turn off overflow
500                         // in order to get a reliable height
501                         // we use the minHeight support test because we assume that only
502                         // browsers that don't support minHeight will treat height as minHeight
503                         if ( !$.support.minHeight ) {
504                                 overflow = parent.css( "overflow" );
505                                 parent.css( "overflow", "hidden");
506                         }
507                         maxHeight = parent.height();
508                         this.element.siblings( ":visible" ).each(function() {
509                                 var elem = $( this ),
510                                         position = elem.css( "position" );
512                                 if ( position === "absolute" || position === "fixed" ) {
513                                         return;
514                                 }
515                                 maxHeight -= elem.outerHeight( true );
516                         });
517                         if ( overflow ) {
518                                 parent.css( "overflow", overflow );
519                         }
521                         this.element.children().not( this.panels ).each(function() {
522                                 maxHeight -= $( this ).outerHeight( true );
523                         });
525                         this.panels.each(function() {
526                                 $( this ).height( Math.max( 0, maxHeight -
527                                         $( this ).innerHeight() + $( this ).height() ) );
528                         })
529                         .css( "overflow", "auto" );
530                 } else if ( heightStyle === "auto" ) {
531                         maxHeight = 0;
532                         this.panels.each(function() {
533                                 maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
534                         }).height( maxHeight );
535                 }
536         },
538         _eventHandler: function( event ) {
539                 var options = this.options,
540                         active = this.active,
541                         anchor = $( event.currentTarget ),
542                         tab = anchor.closest( "li" ),
543                         clickedIsActive = tab[ 0 ] === active[ 0 ],
544                         collapsing = clickedIsActive && options.collapsible,
545                         toShow = collapsing ? $() : this._getPanelForTab( tab ),
546                         toHide = !active.length ? $() : this._getPanelForTab( active ),
547                         eventData = {
548                                 oldTab: active,
549                                 oldPanel: toHide,
550                                 newTab: collapsing ? $() : tab,
551                                 newPanel: toShow
552                         };
554                 event.preventDefault();
556                 if ( tab.hasClass( "ui-state-disabled" ) ||
557                                 // tab is already loading
558                                 tab.hasClass( "ui-tabs-loading" ) ||
559                                 // can't switch durning an animation
560                                 this.running ||
561                                 // click on active header, but not collapsible
562                                 ( clickedIsActive && !options.collapsible ) ||
563                                 // allow canceling activation
564                                 ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
565                         return;
566                 }
568                 options.active = collapsing ? false : this.tabs.index( tab );
570                 this.active = clickedIsActive ? $() : tab;
571                 if ( this.xhr ) {
572                         this.xhr.abort();
573                 }
575                 if ( !toHide.length && !toShow.length ) {
576                         $.error( "jQuery UI Tabs: Mismatching fragment identifier." );
577                 }
579                 if ( toShow.length ) {
580                         this.load( this.tabs.index( tab ), event );
581                 }
582                 this._toggle( event, eventData );
583         },
585         // handles show/hide for selecting tabs
586         _toggle: function( event, eventData ) {
587                 var that = this,
588                         toShow = eventData.newPanel,
589                         toHide = eventData.oldPanel;
591                 this.running = true;
593                 function complete() {
594                         that.running = false;
595                         that._trigger( "activate", event, eventData );
596                 }
598                 function show() {
599                         eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );
601                         if ( toShow.length && that.options.show ) {
602                                 that._show( toShow, that.options.show, complete );
603                         } else {
604                                 toShow.show();
605                                 complete();
606                         }
607                 }
609                 // start out by hiding, then showing, then completing
610                 if ( toHide.length && this.options.hide ) {
611                         this._hide( toHide, this.options.hide, function() {
612                                 eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
613                                 show();
614                         });
615                 } else {
616                         eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
617                         toHide.hide();
618                         show();
619                 }
621                 toHide.attr({
622                         "aria-expanded": "false",
623                         "aria-hidden": "true"
624                 });
625                 eventData.oldTab.attr( "aria-selected", "false" );
626                 // If we're switching tabs, remove the old tab from the tab order.
627                 // If we're opening from collapsed state, remove the previous tab from the tab order.
628                 // If we're collapsing, then keep the collapsing tab in the tab order.
629                 if ( toShow.length && toHide.length ) {
630                         eventData.oldTab.attr( "tabIndex", -1 );
631                 } else if ( toShow.length ) {
632                         this.tabs.filter(function() {
633                                 return $( this ).attr( "tabIndex" ) === 0;
634                         })
635                         .attr( "tabIndex", -1 );
636                 }
638                 toShow.attr({
639                         "aria-expanded": "true",
640                         "aria-hidden": "false"
641                 });
642                 eventData.newTab.attr({
643                         "aria-selected": "true",
644                         tabIndex: 0
645                 });
646         },
648         _activate: function( index ) {
649                 var anchor,
650                         active = this._findActive( index );
652                 // trying to activate the already active panel
653                 if ( active[ 0 ] === this.active[ 0 ] ) {
654                         return;
655                 }
657                 // trying to collapse, simulate a click on the current active header
658                 if ( !active.length ) {
659                         active = this.active;
660                 }
662                 anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
663                 this._eventHandler({
664                         target: anchor,
665                         currentTarget: anchor,
666                         preventDefault: $.noop
667                 });
668         },
670         _findActive: function( index ) {
671                 return index === false ? $() : this.tabs.eq( index );
672         },
674         _getIndex: function( index ) {
675                 // meta-function to give users option to provide a href string instead of a numerical index.
676                 if ( typeof index === "string" ) {
677                         index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
678                 }
680                 return index;
681         },
683         _destroy: function() {
684                 if ( this.xhr ) {
685                         this.xhr.abort();
686                 }
688                 this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );
690                 this.tablist
691                         .removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
692                         .removeAttr( "role" );
694                 this.anchors
695                         .removeClass( "ui-tabs-anchor" )
696                         .removeAttr( "role" )
697                         .removeAttr( "tabIndex" )
698                         .removeData( "href.tabs" )
699                         .removeData( "load.tabs" )
700                         .removeUniqueId();
702                 this.tabs.add( this.panels ).each(function() {
703                         if ( $.data( this, "ui-tabs-destroy" ) ) {
704                                 $( this ).remove();
705                         } else {
706                                 $( this )
707                                         .removeClass( "ui-state-default ui-state-active ui-state-disabled " +
708                                                 "ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
709                                         .removeAttr( "tabIndex" )
710                                         .removeAttr( "aria-live" )
711                                         .removeAttr( "aria-busy" )
712                                         .removeAttr( "aria-selected" )
713                                         .removeAttr( "aria-labelledby" )
714                                         .removeAttr( "aria-hidden" )
715                                         .removeAttr( "aria-expanded" )
716                                         .removeAttr( "role" );
717                         }
718                 });
720                 this.tabs.each(function() {
721                         var li = $( this ),
722                                 prev = li.data( "ui-tabs-aria-controls" );
723                         if ( prev ) {
724                                 li.attr( "aria-controls", prev );
725                         } else {
726                                 li.removeAttr( "aria-controls" );
727                         }
728                 });
730                 this.panels.show();
732                 if ( this.options.heightStyle !== "content" ) {
733                         this.panels.css( "height", "" );
734                 }
735         },
737         enable: function( index ) {
738                 var disabled = this.options.disabled;
739                 if ( disabled === false ) {
740                         return;
741                 }
743                 if ( index === undefined ) {
744                         disabled = false;
745                 } else {
746                         index = this._getIndex( index );
747                         if ( $.isArray( disabled ) ) {
748                                 disabled = $.map( disabled, function( num ) {
749                                         return num !== index ? num : null;
750                                 });
751                         } else {
752                                 disabled = $.map( this.tabs, function( li, num ) {
753                                         return num !== index ? num : null;
754                                 });
755                         }
756                 }
757                 this._setupDisabled( disabled );
758         },
760         disable: function( index ) {
761                 var disabled = this.options.disabled;
762                 if ( disabled === true ) {
763                         return;
764                 }
766                 if ( index === undefined ) {
767                         disabled = true;
768                 } else {
769                         index = this._getIndex( index );
770                         if ( $.inArray( index, disabled ) !== -1 ) {
771                                 return;
772                         }
773                         if ( $.isArray( disabled ) ) {
774                                 disabled = $.merge( [ index ], disabled ).sort();
775                         } else {
776                                 disabled = [ index ];
777                         }
778                 }
779                 this._setupDisabled( disabled );
780         },
782         load: function( index, event ) {
783                 index = this._getIndex( index );
784                 var that = this,
785                         tab = this.tabs.eq( index ),
786                         anchor = tab.find( ".ui-tabs-anchor" ),
787                         panel = this._getPanelForTab( tab ),
788                         eventData = {
789                                 tab: tab,
790                                 panel: panel
791                         };
793                 // not remote
794                 if ( isLocal( anchor[ 0 ] ) ) {
795                         return;
796                 }
798                 this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
800                 // support: jQuery <1.8
801                 // jQuery <1.8 returns false if the request is canceled in beforeSend,
802                 // but as of 1.8, $.ajax() always returns a jqXHR object.
803                 if ( this.xhr && this.xhr.statusText !== "canceled" ) {
804                         tab.addClass( "ui-tabs-loading" );
805                         panel.attr( "aria-busy", "true" );
807                         this.xhr
808                                 .success(function( response ) {
809                                         // support: jQuery <1.8
810                                         // http://bugs.jquery.com/ticket/11778
811                                         setTimeout(function() {
812                                                 panel.html( response );
813                                                 that._trigger( "load", event, eventData );
814                                         }, 1 );
815                                 })
816                                 .complete(function( jqXHR, status ) {
817                                         // support: jQuery <1.8
818                                         // http://bugs.jquery.com/ticket/11778
819                                         setTimeout(function() {
820                                                 if ( status === "abort" ) {
821                                                         that.panels.stop( false, true );
822                                                 }
824                                                 tab.removeClass( "ui-tabs-loading" );
825                                                 panel.removeAttr( "aria-busy" );
827                                                 if ( jqXHR === that.xhr ) {
828                                                         delete that.xhr;
829                                                 }
830                                         }, 1 );
831                                 });
832                 }
833         },
835         // TODO: Remove this function in 1.10 when ajaxOptions is removed
836         _ajaxSettings: function( anchor, event, eventData ) {
837                 var that = this;
838                 return {
839                         url: anchor.attr( "href" ),
840                         beforeSend: function( jqXHR, settings ) {
841                                 return that._trigger( "beforeLoad", event,
842                                         $.extend( { jqXHR : jqXHR, ajaxSettings: settings }, eventData ) );
843                         }
844                 };
845         },
847         _getPanelForTab: function( tab ) {
848                 var id = $( tab ).attr( "aria-controls" );
849                 return this.element.find( this._sanitizeSelector( "#" + id ) );
850         }
853 // DEPRECATED
854 if ( $.uiBackCompat !== false ) {
856         // helper method for a lot of the back compat extensions
857         $.ui.tabs.prototype._ui = function( tab, panel ) {
858                 return {
859                         tab: tab,
860                         panel: panel,
861                         index: this.anchors.index( tab )
862                 };
863         };
865         // url method
866         $.widget( "ui.tabs", $.ui.tabs, {
867                 url: function( index, url ) {
868                         this.anchors.eq( index ).attr( "href", url );
869                 }
870         });
872         // TODO: Remove _ajaxSettings() method when removing this extension
873         // ajaxOptions and cache options
874         $.widget( "ui.tabs", $.ui.tabs, {
875                 options: {
876                         ajaxOptions: null,
877                         cache: false
878                 },
880                 _create: function() {
881                         this._super();
883                         var that = this;
885                         this._on({ tabsbeforeload: function( event, ui ) {
886                                 // tab is already cached
887                                 if ( $.data( ui.tab[ 0 ], "cache.tabs" ) ) {
888                                         event.preventDefault();
889                                         return;
890                                 }
892                                 ui.jqXHR.success(function() {
893                                         if ( that.options.cache ) {
894                                                 $.data( ui.tab[ 0 ], "cache.tabs", true );
895                                         }
896                                 });
897                         }});
898                 },
900                 _ajaxSettings: function( anchor, event, ui ) {
901                         var ajaxOptions = this.options.ajaxOptions;
902                         return $.extend( {}, ajaxOptions, {
903                                 error: function( xhr, status ) {
904                                         try {
905                                                 // Passing index avoid a race condition when this method is
906                                                 // called after the user has selected another tab.
907                                                 // Pass the anchor that initiated this request allows
908                                                 // loadError to manipulate the tab content panel via $(a.hash)
909                                                 ajaxOptions.error(
910                                                         xhr, status, ui.tab.closest( "li" ).index(), ui.tab[ 0 ] );
911                                         }
912                                         catch ( error ) {}
913                                 }
914                         }, this._superApply( arguments ) );
915                 },
917                 _setOption: function( key, value ) {
918                         // reset cache if switching from cached to not cached
919                         if ( key === "cache" && value === false ) {
920                                 this.anchors.removeData( "cache.tabs" );
921                         }
922                         this._super( key, value );
923                 },
925                 _destroy: function() {
926                         this.anchors.removeData( "cache.tabs" );
927                         this._super();
928                 },
930                 url: function( index ){
931                         this.anchors.eq( index ).removeData( "cache.tabs" );
932                         this._superApply( arguments );
933                 }
934         });
936         // abort method
937         $.widget( "ui.tabs", $.ui.tabs, {
938                 abort: function() {
939                         if ( this.xhr ) {
940                                 this.xhr.abort();
941                         }
942                 }
943         });
945         // spinner
946         $.widget( "ui.tabs", $.ui.tabs, {
947                 options: {
948                         spinner: "<em>Loading&#8230;</em>"
949                 },
950                 _create: function() {
951                         this._super();
952                         this._on({
953                                 tabsbeforeload: function( event, ui ) {
954                                         // Don't react to nested tabs or tabs that don't use a spinner
955                                         if ( event.target !== this.element[ 0 ] ||
956                                                         !this.options.spinner ) {
957                                                 return;
958                                         }
960                                         var span = ui.tab.find( "span" ),
961                                                 html = span.html();
962                                         span.html( this.options.spinner );
963                                         ui.jqXHR.complete(function() {
964                                                 span.html( html );
965                                         });
966                                 }
967                         });
968                 }
969         });
971         // enable/disable events
972         $.widget( "ui.tabs", $.ui.tabs, {
973                 options: {
974                         enable: null,
975                         disable: null
976                 },
978                 enable: function( index ) {
979                         var options = this.options,
980                                 trigger;
982                         if ( index && options.disabled === true ||
983                                         ( $.isArray( options.disabled ) && $.inArray( index, options.disabled ) !== -1 ) ) {
984                                 trigger = true;
985                         }
987                         this._superApply( arguments );
989                         if ( trigger ) {
990                                 this._trigger( "enable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
991                         }
992                 },
994                 disable: function( index ) {
995                         var options = this.options,
996                                 trigger;
998                         if ( index && options.disabled === false ||
999                                         ( $.isArray( options.disabled ) && $.inArray( index, options.disabled ) === -1 ) ) {
1000                                 trigger = true;
1001                         }
1003                         this._superApply( arguments );
1005                         if ( trigger ) {
1006                                 this._trigger( "disable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
1007                         }
1008                 }
1009         });
1011         // add/remove methods and events
1012         $.widget( "ui.tabs", $.ui.tabs, {
1013                 options: {
1014                         add: null,
1015                         remove: null,
1016                         tabTemplate: "<li><a href='#{href}'><span>#{label}</span></a></li>"
1017                 },
1019                 add: function( url, label, index ) {
1020                         if ( index === undefined ) {
1021                                 index = this.anchors.length;
1022                         }
1024                         var doInsertAfter, panel,
1025                                 options = this.options,
1026                                 li = $( options.tabTemplate
1027                                         .replace( /#\{href\}/g, url )
1028                                         .replace( /#\{label\}/g, label ) ),
1029                                 id = !url.indexOf( "#" ) ?
1030                                         url.replace( "#", "" ) :
1031                                         this._tabId( li );
1033                         li.addClass( "ui-state-default ui-corner-top" ).data( "ui-tabs-destroy", true );
1034                         li.attr( "aria-controls", id );
1036                         doInsertAfter = index >= this.tabs.length;
1038                         // try to find an existing element before creating a new one
1039                         panel = this.element.find( "#" + id );
1040                         if ( !panel.length ) {
1041                                 panel = this._createPanel( id );
1042                                 if ( doInsertAfter ) {
1043                                         if ( index > 0 ) {
1044                                                 panel.insertAfter( this.panels.eq( -1 ) );
1045                                         } else {
1046                                                 panel.appendTo( this.element );
1047                                         }
1048                                 } else {
1049                                         panel.insertBefore( this.panels[ index ] );
1050                                 }
1051                         }
1052                         panel.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" ).hide();
1054                         if ( doInsertAfter ) {
1055                                 li.appendTo( this.tablist );
1056                         } else {
1057                                 li.insertBefore( this.tabs[ index ] );
1058                         }
1060                         options.disabled = $.map( options.disabled, function( n ) {
1061                                 return n >= index ? ++n : n;
1062                         });
1064                         this.refresh();
1065                         if ( this.tabs.length === 1 && options.active === false ) {
1066                                 this.option( "active", 0 );
1067                         }
1069                         this._trigger( "add", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
1070                         return this;
1071                 },
1073                 remove: function( index ) {
1074                         index = this._getIndex( index );
1075                         var options = this.options,
1076                                 tab = this.tabs.eq( index ).remove(),
1077                                 panel = this._getPanelForTab( tab ).remove();
1079                         // If selected tab was removed focus tab to the right or
1080                         // in case the last tab was removed the tab to the left.
1081                         // We check for more than 2 tabs, because if there are only 2,
1082                         // then when we remove this tab, there will only be one tab left
1083                         // so we don't need to detect which tab to activate.
1084                         if ( tab.hasClass( "ui-tabs-active" ) && this.anchors.length > 2 ) {
1085                                 this._activate( index + ( index + 1 < this.anchors.length ? 1 : -1 ) );
1086                         }
1088                         options.disabled = $.map(
1089                                 $.grep( options.disabled, function( n ) {
1090                                         return n !== index;
1091                                 }),
1092                                 function( n ) {
1093                                         return n >= index ? --n : n;
1094                                 });
1096                         this.refresh();
1098                         this._trigger( "remove", null, this._ui( tab.find( "a" )[ 0 ], panel[ 0 ] ) );
1099                         return this;
1100                 }
1101         });
1103         // length method
1104         $.widget( "ui.tabs", $.ui.tabs, {
1105                 length: function() {
1106                         return this.anchors.length;
1107                 }
1108         });
1110         // panel ids (idPrefix option + title attribute)
1111         $.widget( "ui.tabs", $.ui.tabs, {
1112                 options: {
1113                         idPrefix: "ui-tabs-"
1114                 },
1116                 _tabId: function( tab ) {
1117                         var a = tab.is( "li" ) ? tab.find( "a[href]" ) : tab;
1118                         a = a[0];
1119                         return $( a ).closest( "li" ).attr( "aria-controls" ) ||
1120                                 a.title && a.title.replace( /\s/g, "_" ).replace( /[^\w\u00c0-\uFFFF\-]/g, "" ) ||
1121                                 this.options.idPrefix + getNextTabId();
1122                 }
1123         });
1125         // _createPanel method
1126         $.widget( "ui.tabs", $.ui.tabs, {
1127                 options: {
1128                         panelTemplate: "<div></div>"
1129                 },
1131                 _createPanel: function( id ) {
1132                         return $( this.options.panelTemplate )
1133                                 .attr( "id", id )
1134                                 .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
1135                                 .data( "ui-tabs-destroy", true );
1136                 }
1137         });
1139         // selected option
1140         $.widget( "ui.tabs", $.ui.tabs, {
1141                 _create: function() {
1142                         var options = this.options;
1143                         if ( options.active === null && options.selected !== undefined ) {
1144                                 options.active = options.selected === -1 ? false : options.selected;
1145                         }
1146                         this._super();
1147                         options.selected = options.active;
1148                         if ( options.selected === false ) {
1149                                 options.selected = -1;
1150                         }
1151                 },
1153                 _setOption: function( key, value ) {
1154                         if ( key !== "selected" ) {
1155                                 return this._super( key, value );
1156                         }
1158                         var options = this.options;
1159                         this._super( "active", value === -1 ? false : value );
1160                         options.selected = options.active;
1161                         if ( options.selected === false ) {
1162                                 options.selected = -1;
1163                         }
1164                 },
1166                 _eventHandler: function() {
1167                         this._superApply( arguments );
1168                         this.options.selected = this.options.active;
1169                         if ( this.options.selected === false ) {
1170                                 this.options.selected = -1;
1171                         }
1172                 }
1173         });
1175         // show and select event
1176         $.widget( "ui.tabs", $.ui.tabs, {
1177                 options: {
1178                         show: null,
1179                         select: null
1180                 },
1181                 _create: function() {
1182                         this._super();
1183                         if ( this.options.active !== false ) {
1184                                 this._trigger( "show", null, this._ui(
1185                                         this.active.find( ".ui-tabs-anchor" )[ 0 ],
1186                                         this._getPanelForTab( this.active )[ 0 ] ) );
1187                         }
1188                 },
1189                 _trigger: function( type, event, data ) {
1190                         var tab, panel,
1191                                 ret = this._superApply( arguments );
1193                         if ( !ret ) {
1194                                 return false;
1195                         }
1197                         if ( type === "beforeActivate" ) {
1198                                 tab = data.newTab.length ? data.newTab : data.oldTab;
1199                                 panel = data.newPanel.length ? data.newPanel : data.oldPanel;
1200                                 ret = this._super( "select", event, {
1201                                         tab: tab.find( ".ui-tabs-anchor" )[ 0],
1202                                         panel: panel[ 0 ],
1203                                         index: tab.closest( "li" ).index()
1204                                 });
1205                         } else if ( type === "activate" && data.newTab.length ) {
1206                                 ret = this._super( "show", event, {
1207                                         tab: data.newTab.find( ".ui-tabs-anchor" )[ 0 ],
1208                                         panel: data.newPanel[ 0 ],
1209                                         index: data.newTab.closest( "li" ).index()
1210                                 });
1211                         }
1212                         return ret;
1213                 }
1214         });
1216         // select method
1217         $.widget( "ui.tabs", $.ui.tabs, {
1218                 select: function( index ) {
1219                         index = this._getIndex( index );
1220                         if ( index === -1 ) {
1221                                 if ( this.options.collapsible && this.options.selected !== -1 ) {
1222                                         index = this.options.selected;
1223                                 } else {
1224                                         return;
1225                                 }
1226                         }
1227                         this.anchors.eq( index ).trigger( this.options.event + this.eventNamespace );
1228                 }
1229         });
1231         // cookie option
1232         (function() {
1234         var listId = 0;
1236         $.widget( "ui.tabs", $.ui.tabs, {
1237                 options: {
1238                         cookie: null // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
1239                 },
1240                 _create: function() {
1241                         var options = this.options,
1242                                 active;
1243                         if ( options.active == null && options.cookie ) {
1244                                 active = parseInt( this._cookie(), 10 );
1245                                 if ( active === -1 ) {
1246                                         active = false;
1247                                 }
1248                                 options.active = active;
1249                         }
1250                         this._super();
1251                 },
1252                 _cookie: function( active ) {
1253                         var cookie = [ this.cookie ||
1254                                 ( this.cookie = this.options.cookie.name || "ui-tabs-" + (++listId) ) ];
1255                         if ( arguments.length ) {
1256                                 cookie.push( active === false ? -1 : active );
1257                                 cookie.push( this.options.cookie );
1258                         }
1259                         return $.cookie.apply( null, cookie );
1260                 },
1261                 _refresh: function() {
1262                         this._super();
1263                         if ( this.options.cookie ) {
1264                                 this._cookie( this.options.active, this.options.cookie );
1265                         }
1266                 },
1267                 _eventHandler: function() {
1268                         this._superApply( arguments );
1269                         if ( this.options.cookie ) {
1270                                 this._cookie( this.options.active, this.options.cookie );
1271                         }
1272                 },
1273                 _destroy: function() {
1274                         this._super();
1275                         if ( this.options.cookie ) {
1276                                 this._cookie( null, this.options.cookie );
1277                         }
1278                 }
1279         });
1281         })();
1283         // load event
1284         $.widget( "ui.tabs", $.ui.tabs, {
1285                 _trigger: function( type, event, data ) {
1286                         var _data = $.extend( {}, data );
1287                         if ( type === "load" ) {
1288                                 _data.panel = _data.panel[ 0 ];
1289                                 _data.tab = _data.tab.find( ".ui-tabs-anchor" )[ 0 ];
1290                         }
1291                         return this._super( type, event, _data );
1292                 }
1293         });
1295         // fx option
1296         // The new animation options (show, hide) conflict with the old show callback.
1297         // The old fx option wins over show/hide anyway (always favor back-compat).
1298         // If a user wants to use the new animation API, they must give up the old API.
1299         $.widget( "ui.tabs", $.ui.tabs, {
1300                 options: {
1301                         fx: null // e.g. { height: "toggle", opacity: "toggle", duration: 200 }
1302                 },
1304                 _getFx: function() {
1305                         var hide, show,
1306                                 fx = this.options.fx;
1308                         if ( fx ) {
1309                                 if ( $.isArray( fx ) ) {
1310                                         hide = fx[ 0 ];
1311                                         show = fx[ 1 ];
1312                                 } else {
1313                                         hide = show = fx;
1314                                 }
1315                         }
1317                         return fx ? { show: show, hide: hide } : null;
1318                 },
1320                 _toggle: function( event, eventData ) {
1321                         var that = this,
1322                                 toShow = eventData.newPanel,
1323                                 toHide = eventData.oldPanel,
1324                                 fx = this._getFx();
1326                         if ( !fx ) {
1327                                 return this._super( event, eventData );
1328                         }
1330                         that.running = true;
1332                         function complete() {
1333                                 that.running = false;
1334                                 that._trigger( "activate", event, eventData );
1335                         }
1337                         function show() {
1338                                 eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );
1340                                 if ( toShow.length && fx.show ) {
1341                                         toShow
1342                                                 .animate( fx.show, fx.show.duration, function() {
1343                                                         complete();
1344                                                 });
1345                                 } else {
1346                                         toShow.show();
1347                                         complete();
1348                                 }
1349                         }
1351                         // start out by hiding, then showing, then completing
1352                         if ( toHide.length && fx.hide ) {
1353                                 toHide.animate( fx.hide, fx.hide.duration, function() {
1354                                         eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
1355                                         show();
1356                                 });
1357                         } else {
1358                                 eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
1359                                 toHide.hide();
1360                                 show();
1361                         }
1362                 }
1363         });
1366 })( jQuery );