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root / drupal7 / sites / all / modules / jquery_update / replace / ui / ui / jquery.ui.tabs.js @ 503b3f7b

1
/*!
2
 * jQuery UI Tabs 1.10.2
3
 * http://jqueryui.com
4
 *
5
 * Copyright 2013 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 ) {
16

    
17
var tabId = 0,
18
        rhash = /#.*$/;
19

    
20
function getNextTabId() {
21
        return ++tabId;
22
}
23

    
24
function isLocal( anchor ) {
25
        return anchor.hash.length > 1 &&
26
                decodeURIComponent( anchor.href.replace( rhash, "" ) ) ===
27
                        decodeURIComponent( location.href.replace( rhash, "" ) );
28
}
29

    
30
$.widget( "ui.tabs", {
31
        version: "1.10.2",
32
        delay: 300,
33
        options: {
34
                active: null,
35
                collapsible: false,
36
                event: "click",
37
                heightStyle: "content",
38
                hide: null,
39
                show: null,
40

    
41
                // callbacks
42
                activate: null,
43
                beforeActivate: null,
44
                beforeLoad: null,
45
                load: null
46
        },
47

    
48
        _create: function() {
49
                var that = this,
50
                        options = this.options;
51

    
52
                this.running = false;
53

    
54
                this.element
55
                        .addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
56
                        .toggleClass( "ui-tabs-collapsible", options.collapsible )
57
                        // Prevent users from focusing disabled tabs via click
58
                        .delegate( ".ui-tabs-nav > li", "mousedown" + this.eventNamespace, function( event ) {
59
                                if ( $( this ).is( ".ui-state-disabled" ) ) {
60
                                        event.preventDefault();
61
                                }
62
                        })
63
                        // support: IE <9
64
                        // Preventing the default action in mousedown doesn't prevent IE
65
                        // from focusing the element, so if the anchor gets focused, blur.
66
                        // We don't have to worry about focusing the previously focused
67
                        // element since clicking on a non-focusable element should focus
68
                        // the body anyway.
69
                        .delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
70
                                if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
71
                                        this.blur();
72
                                }
73
                        });
74

    
75
                this._processTabs();
76
                options.active = this._initialActive();
77

    
78
                // Take disabling tabs via class attribute from HTML
79
                // into account and update option properly.
80
                if ( $.isArray( options.disabled ) ) {
81
                        options.disabled = $.unique( options.disabled.concat(
82
                                $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
83
                                        return that.tabs.index( li );
84
                                })
85
                        ) ).sort();
86
                }
87

    
88
                // check for length avoids error when initializing empty list
89
                if ( this.options.active !== false && this.anchors.length ) {
90
                        this.active = this._findActive( options.active );
91
                } else {
92
                        this.active = $();
93
                }
94

    
95
                this._refresh();
96

    
97
                if ( this.active.length ) {
98
                        this.load( options.active );
99
                }
100
        },
101

    
102
        _initialActive: function() {
103
                var active = this.options.active,
104
                        collapsible = this.options.collapsible,
105
                        locationHash = location.hash.substring( 1 );
106

    
107
                if ( active === null ) {
108
                        // check the fragment identifier in the URL
109
                        if ( locationHash ) {
110
                                this.tabs.each(function( i, tab ) {
111
                                        if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
112
                                                active = i;
113
                                                return false;
114
                                        }
115
                                });
116
                        }
117

    
118
                        // check for a tab marked active via a class
119
                        if ( active === null ) {
120
                                active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
121
                        }
122

    
123
                        // no active tab, set to false
124
                        if ( active === null || active === -1 ) {
125
                                active = this.tabs.length ? 0 : false;
126
                        }
127
                }
128

    
129
                // handle numbers: negative, out of range
130
                if ( active !== false ) {
131
                        active = this.tabs.index( this.tabs.eq( active ) );
132
                        if ( active === -1 ) {
133
                                active = collapsible ? false : 0;
134
                        }
135
                }
136

    
137
                // don't allow collapsible: false and active: false
138
                if ( !collapsible && active === false && this.anchors.length ) {
139
                        active = 0;
140
                }
141

    
142
                return active;
143
        },
144

    
145
        _getCreateEventData: function() {
146
                return {
147
                        tab: this.active,
148
                        panel: !this.active.length ? $() : this._getPanelForTab( this.active )
149
                };
150
        },
151

    
152
        _tabKeydown: function( event ) {
153
                /*jshint maxcomplexity:15*/
154
                var focusedTab = $( this.document[0].activeElement ).closest( "li" ),
155
                        selectedIndex = this.tabs.index( focusedTab ),
156
                        goingForward = true;
157

    
158
                if ( this._handlePageNav( event ) ) {
159
                        return;
160
                }
161

    
162
                switch ( event.keyCode ) {
163
                        case $.ui.keyCode.RIGHT:
164
                        case $.ui.keyCode.DOWN:
165
                                selectedIndex++;
166
                                break;
167
                        case $.ui.keyCode.UP:
168
                        case $.ui.keyCode.LEFT:
169
                                goingForward = false;
170
                                selectedIndex--;
171
                                break;
172
                        case $.ui.keyCode.END:
173
                                selectedIndex = this.anchors.length - 1;
174
                                break;
175
                        case $.ui.keyCode.HOME:
176
                                selectedIndex = 0;
177
                                break;
178
                        case $.ui.keyCode.SPACE:
179
                                // Activate only, no collapsing
180
                                event.preventDefault();
181
                                clearTimeout( this.activating );
182
                                this._activate( selectedIndex );
183
                                return;
184
                        case $.ui.keyCode.ENTER:
185
                                // Toggle (cancel delayed activation, allow collapsing)
186
                                event.preventDefault();
187
                                clearTimeout( this.activating );
188
                                // Determine if we should collapse or activate
189
                                this._activate( selectedIndex === this.options.active ? false : selectedIndex );
190
                                return;
191
                        default:
192
                                return;
193
                }
194

    
195
                // Focus the appropriate tab, based on which key was pressed
196
                event.preventDefault();
197
                clearTimeout( this.activating );
198
                selectedIndex = this._focusNextTab( selectedIndex, goingForward );
199

    
200
                // Navigating with control key will prevent automatic activation
201
                if ( !event.ctrlKey ) {
202
                        // Update aria-selected immediately so that AT think the tab is already selected.
203
                        // Otherwise AT may confuse the user by stating that they need to activate the tab,
204
                        // but the tab will already be activated by the time the announcement finishes.
205
                        focusedTab.attr( "aria-selected", "false" );
206
                        this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );
207

    
208
                        this.activating = this._delay(function() {
209
                                this.option( "active", selectedIndex );
210
                        }, this.delay );
211
                }
212
        },
213

    
214
        _panelKeydown: function( event ) {
215
                if ( this._handlePageNav( event ) ) {
216
                        return;
217
                }
218

    
219
                // Ctrl+up moves focus to the current tab
220
                if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
221
                        event.preventDefault();
222
                        this.active.focus();
223
                }
224
        },
225

    
226
        // Alt+page up/down moves focus to the previous/next tab (and activates)
227
        _handlePageNav: function( event ) {
228
                if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
229
                        this._activate( this._focusNextTab( this.options.active - 1, false ) );
230
                        return true;
231
                }
232
                if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
233
                        this._activate( this._focusNextTab( this.options.active + 1, true ) );
234
                        return true;
235
                }
236
        },
237

    
238
        _findNextTab: function( index, goingForward ) {
239
                var lastTabIndex = this.tabs.length - 1;
240

    
241
                function constrain() {
242
                        if ( index > lastTabIndex ) {
243
                                index = 0;
244
                        }
245
                        if ( index < 0 ) {
246
                                index = lastTabIndex;
247
                        }
248
                        return index;
249
                }
250

    
251
                while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
252
                        index = goingForward ? index + 1 : index - 1;
253
                }
254

    
255
                return index;
256
        },
257

    
258
        _focusNextTab: function( index, goingForward ) {
259
                index = this._findNextTab( index, goingForward );
260
                this.tabs.eq( index ).focus();
261
                return index;
262
        },
263

    
264
        _setOption: function( key, value ) {
265
                if ( key === "active" ) {
266
                        // _activate() will handle invalid values and update this.options
267
                        this._activate( value );
268
                        return;
269
                }
270

    
271
                if ( key === "disabled" ) {
272
                        // don't use the widget factory's disabled handling
273
                        this._setupDisabled( value );
274
                        return;
275
                }
276

    
277
                this._super( key, value);
278

    
279
                if ( key === "collapsible" ) {
280
                        this.element.toggleClass( "ui-tabs-collapsible", value );
281
                        // Setting collapsible: false while collapsed; open first panel
282
                        if ( !value && this.options.active === false ) {
283
                                this._activate( 0 );
284
                        }
285
                }
286

    
287
                if ( key === "event" ) {
288
                        this._setupEvents( value );
289
                }
290

    
291
                if ( key === "heightStyle" ) {
292
                        this._setupHeightStyle( value );
293
                }
294
        },
295

    
296
        _tabId: function( tab ) {
297
                return tab.attr( "aria-controls" ) || "ui-tabs-" + getNextTabId();
298
        },
299

    
300
        _sanitizeSelector: function( hash ) {
301
                return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
302
        },
303

    
304
        refresh: function() {
305
                var options = this.options,
306
                        lis = this.tablist.children( ":has(a[href])" );
307

    
308
                // get disabled tabs from class attribute from HTML
309
                // this will get converted to a boolean if needed in _refresh()
310
                options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
311
                        return lis.index( tab );
312
                });
313

    
314
                this._processTabs();
315

    
316
                // was collapsed or no tabs
317
                if ( options.active === false || !this.anchors.length ) {
318
                        options.active = false;
319
                        this.active = $();
320
                // was active, but active tab is gone
321
                } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
322
                        // all remaining tabs are disabled
323
                        if ( this.tabs.length === options.disabled.length ) {
324
                                options.active = false;
325
                                this.active = $();
326
                        // activate previous tab
327
                        } else {
328
                                this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
329
                        }
330
                // was active, active tab still exists
331
                } else {
332
                        // make sure active index is correct
333
                        options.active = this.tabs.index( this.active );
334
                }
335

    
336
                this._refresh();
337
        },
338

    
339
        _refresh: function() {
340
                this._setupDisabled( this.options.disabled );
341
                this._setupEvents( this.options.event );
342
                this._setupHeightStyle( this.options.heightStyle );
343

    
344
                this.tabs.not( this.active ).attr({
345
                        "aria-selected": "false",
346
                        tabIndex: -1
347
                });
348
                this.panels.not( this._getPanelForTab( this.active ) )
349
                        .hide()
350
                        .attr({
351
                                "aria-expanded": "false",
352
                                "aria-hidden": "true"
353
                        });
354

    
355
                // Make sure one tab is in the tab order
356
                if ( !this.active.length ) {
357
                        this.tabs.eq( 0 ).attr( "tabIndex", 0 );
358
                } else {
359
                        this.active
360
                                .addClass( "ui-tabs-active ui-state-active" )
361
                                .attr({
362
                                        "aria-selected": "true",
363
                                        tabIndex: 0
364
                                });
365
                        this._getPanelForTab( this.active )
366
                                .show()
367
                                .attr({
368
                                        "aria-expanded": "true",
369
                                        "aria-hidden": "false"
370
                                });
371
                }
372
        },
373

    
374
        _processTabs: function() {
375
                var that = this;
376

    
377
                this.tablist = this._getList()
378
                        .addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
379
                        .attr( "role", "tablist" );
380

    
381
                this.tabs = this.tablist.find( "> li:has(a[href])" )
382
                        .addClass( "ui-state-default ui-corner-top" )
383
                        .attr({
384
                                role: "tab",
385
                                tabIndex: -1
386
                        });
387

    
388
                this.anchors = this.tabs.map(function() {
389
                                return $( "a", this )[ 0 ];
390
                        })
391
                        .addClass( "ui-tabs-anchor" )
392
                        .attr({
393
                                role: "presentation",
394
                                tabIndex: -1
395
                        });
396

    
397
                this.panels = $();
398

    
399
                this.anchors.each(function( i, anchor ) {
400
                        var selector, panel, panelId,
401
                                anchorId = $( anchor ).uniqueId().attr( "id" ),
402
                                tab = $( anchor ).closest( "li" ),
403
                                originalAriaControls = tab.attr( "aria-controls" );
404

    
405
                        // inline tab
406
                        if ( isLocal( anchor ) ) {
407
                                selector = anchor.hash;
408
                                panel = that.element.find( that._sanitizeSelector( selector ) );
409
                        // remote tab
410
                        } else {
411
                                panelId = that._tabId( tab );
412
                                selector = "#" + panelId;
413
                                panel = that.element.find( selector );
414
                                if ( !panel.length ) {
415
                                        panel = that._createPanel( panelId );
416
                                        panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
417
                                }
418
                                panel.attr( "aria-live", "polite" );
419
                        }
420

    
421
                        if ( panel.length) {
422
                                that.panels = that.panels.add( panel );
423
                        }
424
                        if ( originalAriaControls ) {
425
                                tab.data( "ui-tabs-aria-controls", originalAriaControls );
426
                        }
427
                        tab.attr({
428
                                "aria-controls": selector.substring( 1 ),
429
                                "aria-labelledby": anchorId
430
                        });
431
                        panel.attr( "aria-labelledby", anchorId );
432
                });
433

    
434
                this.panels
435
                        .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
436
                        .attr( "role", "tabpanel" );
437
        },
438

    
439
        // allow overriding how to find the list for rare usage scenarios (#7715)
440
        _getList: function() {
441
                return this.element.find( "ol,ul" ).eq( 0 );
442
        },
443

    
444
        _createPanel: function( id ) {
445
                return $( "<div>" )
446
                        .attr( "id", id )
447
                        .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
448
                        .data( "ui-tabs-destroy", true );
449
        },
450

    
451
        _setupDisabled: function( disabled ) {
452
                if ( $.isArray( disabled ) ) {
453
                        if ( !disabled.length ) {
454
                                disabled = false;
455
                        } else if ( disabled.length === this.anchors.length ) {
456
                                disabled = true;
457
                        }
458
                }
459

    
460
                // disable tabs
461
                for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
462
                        if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
463
                                $( li )
464
                                        .addClass( "ui-state-disabled" )
465
                                        .attr( "aria-disabled", "true" );
466
                        } else {
467
                                $( li )
468
                                        .removeClass( "ui-state-disabled" )
469
                                        .removeAttr( "aria-disabled" );
470
                        }
471
                }
472

    
473
                this.options.disabled = disabled;
474
        },
475

    
476
        _setupEvents: function( event ) {
477
                var events = {
478
                        click: function( event ) {
479
                                event.preventDefault();
480
                        }
481
                };
482
                if ( event ) {
483
                        $.each( event.split(" "), function( index, eventName ) {
484
                                events[ eventName ] = "_eventHandler";
485
                        });
486
                }
487

    
488
                this._off( this.anchors.add( this.tabs ).add( this.panels ) );
489
                this._on( this.anchors, events );
490
                this._on( this.tabs, { keydown: "_tabKeydown" } );
491
                this._on( this.panels, { keydown: "_panelKeydown" } );
492

    
493
                this._focusable( this.tabs );
494
                this._hoverable( this.tabs );
495
        },
496

    
497
        _setupHeightStyle: function( heightStyle ) {
498
                var maxHeight,
499
                        parent = this.element.parent();
500

    
501
                if ( heightStyle === "fill" ) {
502
                        maxHeight = parent.height();
503
                        maxHeight -= this.element.outerHeight() - this.element.height();
504

    
505
                        this.element.siblings( ":visible" ).each(function() {
506
                                var elem = $( this ),
507
                                        position = elem.css( "position" );
508

    
509
                                if ( position === "absolute" || position === "fixed" ) {
510
                                        return;
511
                                }
512
                                maxHeight -= elem.outerHeight( true );
513
                        });
514

    
515
                        this.element.children().not( this.panels ).each(function() {
516
                                maxHeight -= $( this ).outerHeight( true );
517
                        });
518

    
519
                        this.panels.each(function() {
520
                                $( this ).height( Math.max( 0, maxHeight -
521
                                        $( this ).innerHeight() + $( this ).height() ) );
522
                        })
523
                        .css( "overflow", "auto" );
524
                } else if ( heightStyle === "auto" ) {
525
                        maxHeight = 0;
526
                        this.panels.each(function() {
527
                                maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
528
                        }).height( maxHeight );
529
                }
530
        },
531

    
532
        _eventHandler: function( event ) {
533
                var options = this.options,
534
                        active = this.active,
535
                        anchor = $( event.currentTarget ),
536
                        tab = anchor.closest( "li" ),
537
                        clickedIsActive = tab[ 0 ] === active[ 0 ],
538
                        collapsing = clickedIsActive && options.collapsible,
539
                        toShow = collapsing ? $() : this._getPanelForTab( tab ),
540
                        toHide = !active.length ? $() : this._getPanelForTab( active ),
541
                        eventData = {
542
                                oldTab: active,
543
                                oldPanel: toHide,
544
                                newTab: collapsing ? $() : tab,
545
                                newPanel: toShow
546
                        };
547

    
548
                event.preventDefault();
549

    
550
                if ( tab.hasClass( "ui-state-disabled" ) ||
551
                                // tab is already loading
552
                                tab.hasClass( "ui-tabs-loading" ) ||
553
                                // can't switch durning an animation
554
                                this.running ||
555
                                // click on active header, but not collapsible
556
                                ( clickedIsActive && !options.collapsible ) ||
557
                                // allow canceling activation
558
                                ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
559
                        return;
560
                }
561

    
562
                options.active = collapsing ? false : this.tabs.index( tab );
563

    
564
                this.active = clickedIsActive ? $() : tab;
565
                if ( this.xhr ) {
566
                        this.xhr.abort();
567
                }
568

    
569
                if ( !toHide.length && !toShow.length ) {
570
                        $.error( "jQuery UI Tabs: Mismatching fragment identifier." );
571
                }
572

    
573
                if ( toShow.length ) {
574
                        this.load( this.tabs.index( tab ), event );
575
                }
576
                this._toggle( event, eventData );
577
        },
578

    
579
        // handles show/hide for selecting tabs
580
        _toggle: function( event, eventData ) {
581
                var that = this,
582
                        toShow = eventData.newPanel,
583
                        toHide = eventData.oldPanel;
584

    
585
                this.running = true;
586

    
587
                function complete() {
588
                        that.running = false;
589
                        that._trigger( "activate", event, eventData );
590
                }
591

    
592
                function show() {
593
                        eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );
594

    
595
                        if ( toShow.length && that.options.show ) {
596
                                that._show( toShow, that.options.show, complete );
597
                        } else {
598
                                toShow.show();
599
                                complete();
600
                        }
601
                }
602

    
603
                // start out by hiding, then showing, then completing
604
                if ( toHide.length && this.options.hide ) {
605
                        this._hide( toHide, this.options.hide, function() {
606
                                eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
607
                                show();
608
                        });
609
                } else {
610
                        eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
611
                        toHide.hide();
612
                        show();
613
                }
614

    
615
                toHide.attr({
616
                        "aria-expanded": "false",
617
                        "aria-hidden": "true"
618
                });
619
                eventData.oldTab.attr( "aria-selected", "false" );
620
                // If we're switching tabs, remove the old tab from the tab order.
621
                // If we're opening from collapsed state, remove the previous tab from the tab order.
622
                // If we're collapsing, then keep the collapsing tab in the tab order.
623
                if ( toShow.length && toHide.length ) {
624
                        eventData.oldTab.attr( "tabIndex", -1 );
625
                } else if ( toShow.length ) {
626
                        this.tabs.filter(function() {
627
                                return $( this ).attr( "tabIndex" ) === 0;
628
                        })
629
                        .attr( "tabIndex", -1 );
630
                }
631

    
632
                toShow.attr({
633
                        "aria-expanded": "true",
634
                        "aria-hidden": "false"
635
                });
636
                eventData.newTab.attr({
637
                        "aria-selected": "true",
638
                        tabIndex: 0
639
                });
640
        },
641

    
642
        _activate: function( index ) {
643
                var anchor,
644
                        active = this._findActive( index );
645

    
646
                // trying to activate the already active panel
647
                if ( active[ 0 ] === this.active[ 0 ] ) {
648
                        return;
649
                }
650

    
651
                // trying to collapse, simulate a click on the current active header
652
                if ( !active.length ) {
653
                        active = this.active;
654
                }
655

    
656
                anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
657
                this._eventHandler({
658
                        target: anchor,
659
                        currentTarget: anchor,
660
                        preventDefault: $.noop
661
                });
662
        },
663

    
664
        _findActive: function( index ) {
665
                return index === false ? $() : this.tabs.eq( index );
666
        },
667

    
668
        _getIndex: function( index ) {
669
                // meta-function to give users option to provide a href string instead of a numerical index.
670
                if ( typeof index === "string" ) {
671
                        index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
672
                }
673

    
674
                return index;
675
        },
676

    
677
        _destroy: function() {
678
                if ( this.xhr ) {
679
                        this.xhr.abort();
680
                }
681

    
682
                this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );
683

    
684
                this.tablist
685
                        .removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
686
                        .removeAttr( "role" );
687

    
688
                this.anchors
689
                        .removeClass( "ui-tabs-anchor" )
690
                        .removeAttr( "role" )
691
                        .removeAttr( "tabIndex" )
692
                        .removeUniqueId();
693

    
694
                this.tabs.add( this.panels ).each(function() {
695
                        if ( $.data( this, "ui-tabs-destroy" ) ) {
696
                                $( this ).remove();
697
                        } else {
698
                                $( this )
699
                                        .removeClass( "ui-state-default ui-state-active ui-state-disabled " +
700
                                                "ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
701
                                        .removeAttr( "tabIndex" )
702
                                        .removeAttr( "aria-live" )
703
                                        .removeAttr( "aria-busy" )
704
                                        .removeAttr( "aria-selected" )
705
                                        .removeAttr( "aria-labelledby" )
706
                                        .removeAttr( "aria-hidden" )
707
                                        .removeAttr( "aria-expanded" )
708
                                        .removeAttr( "role" );
709
                        }
710
                });
711

    
712
                this.tabs.each(function() {
713
                        var li = $( this ),
714
                                prev = li.data( "ui-tabs-aria-controls" );
715
                        if ( prev ) {
716
                                li
717
                                        .attr( "aria-controls", prev )
718
                                        .removeData( "ui-tabs-aria-controls" );
719
                        } else {
720
                                li.removeAttr( "aria-controls" );
721
                        }
722
                });
723

    
724
                this.panels.show();
725

    
726
                if ( this.options.heightStyle !== "content" ) {
727
                        this.panels.css( "height", "" );
728
                }
729
        },
730

    
731
        enable: function( index ) {
732
                var disabled = this.options.disabled;
733
                if ( disabled === false ) {
734
                        return;
735
                }
736

    
737
                if ( index === undefined ) {
738
                        disabled = false;
739
                } else {
740
                        index = this._getIndex( index );
741
                        if ( $.isArray( disabled ) ) {
742
                                disabled = $.map( disabled, function( num ) {
743
                                        return num !== index ? num : null;
744
                                });
745
                        } else {
746
                                disabled = $.map( this.tabs, function( li, num ) {
747
                                        return num !== index ? num : null;
748
                                });
749
                        }
750
                }
751
                this._setupDisabled( disabled );
752
        },
753

    
754
        disable: function( index ) {
755
                var disabled = this.options.disabled;
756
                if ( disabled === true ) {
757
                        return;
758
                }
759

    
760
                if ( index === undefined ) {
761
                        disabled = true;
762
                } else {
763
                        index = this._getIndex( index );
764
                        if ( $.inArray( index, disabled ) !== -1 ) {
765
                                return;
766
                        }
767
                        if ( $.isArray( disabled ) ) {
768
                                disabled = $.merge( [ index ], disabled ).sort();
769
                        } else {
770
                                disabled = [ index ];
771
                        }
772
                }
773
                this._setupDisabled( disabled );
774
        },
775

    
776
        load: function( index, event ) {
777
                index = this._getIndex( index );
778
                var that = this,
779
                        tab = this.tabs.eq( index ),
780
                        anchor = tab.find( ".ui-tabs-anchor" ),
781
                        panel = this._getPanelForTab( tab ),
782
                        eventData = {
783
                                tab: tab,
784
                                panel: panel
785
                        };
786

    
787
                // not remote
788
                if ( isLocal( anchor[ 0 ] ) ) {
789
                        return;
790
                }
791

    
792
                this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
793

    
794
                // support: jQuery <1.8
795
                // jQuery <1.8 returns false if the request is canceled in beforeSend,
796
                // but as of 1.8, $.ajax() always returns a jqXHR object.
797
                if ( this.xhr && this.xhr.statusText !== "canceled" ) {
798
                        tab.addClass( "ui-tabs-loading" );
799
                        panel.attr( "aria-busy", "true" );
800

    
801
                        this.xhr
802
                                .success(function( response ) {
803
                                        // support: jQuery <1.8
804
                                        // http://bugs.jquery.com/ticket/11778
805
                                        setTimeout(function() {
806
                                                panel.html( response );
807
                                                that._trigger( "load", event, eventData );
808
                                        }, 1 );
809
                                })
810
                                .complete(function( jqXHR, status ) {
811
                                        // support: jQuery <1.8
812
                                        // http://bugs.jquery.com/ticket/11778
813
                                        setTimeout(function() {
814
                                                if ( status === "abort" ) {
815
                                                        that.panels.stop( false, true );
816
                                                }
817

    
818
                                                tab.removeClass( "ui-tabs-loading" );
819
                                                panel.removeAttr( "aria-busy" );
820

    
821
                                                if ( jqXHR === that.xhr ) {
822
                                                        delete that.xhr;
823
                                                }
824
                                        }, 1 );
825
                                });
826
                }
827
        },
828

    
829
        _ajaxSettings: function( anchor, event, eventData ) {
830
                var that = this;
831
                return {
832
                        url: anchor.attr( "href" ),
833
                        beforeSend: function( jqXHR, settings ) {
834
                                return that._trigger( "beforeLoad", event,
835
                                        $.extend( { jqXHR : jqXHR, ajaxSettings: settings }, eventData ) );
836
                        }
837
                };
838
        },
839

    
840
        _getPanelForTab: function( tab ) {
841
                var id = $( tab ).attr( "aria-controls" );
842
                return this.element.find( this._sanitizeSelector( "#" + id ) );
843
        }
844
});
845

    
846
})( jQuery );