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YUI.add('yui2-tabview', function(Y) {
2
    var YAHOO    = Y.YUI2;
3
    /*
4
Copyright (c) 2011, Yahoo! Inc. All rights reserved.
5
Code licensed under the BSD License:
6
http://developer.yahoo.com/yui/license.html
7
version: 2.9.0
8
*/
9
(function() {
10
 
11
    /**
12
     * The tabview module provides a widget for managing content bound to tabs.
13
     * @module tabview
14
     * @requires yahoo, dom, event, element
15
     *
16
     */
17
 
18
    var Y = YAHOO.util,
19
        Dom = Y.Dom,
20
        Event = Y.Event,
21
        document = window.document,
22
 
23
        // STRING CONSTANTS
24
        ACTIVE = 'active',
25
        ACTIVE_INDEX = 'activeIndex',
26
        ACTIVE_TAB = 'activeTab',
27
        DISABLED = 'disabled',
28
        CONTENT_EL = 'contentEl',
29
        ELEMENT = 'element',
30
 
31
    /**
32
     * A widget to control tabbed views.
33
     * @namespace YAHOO.widget
34
     * @class TabView
35
     * @extends YAHOO.util.Element
36
     * @constructor
37
     * @param {HTMLElement | String | Object} el(optional) The html
38
     * element that represents the TabView, or the attribute object to use.
39
     * An element will be created if none provided.
40
     * @param {Object} attr (optional) A key map of the tabView's
41
     * initial attributes.  Ignored if first arg is attributes object.
42
     */
43
    TabView = function(el, attr) {
44
        attr = attr || {};
45
        if (arguments.length == 1 && !YAHOO.lang.isString(el) && !el.nodeName) {
46
            attr = el; // treat first arg as attr object
47
            el = attr.element || null;
48
        }
49
 
50
        if (!el && !attr.element) { // create if we dont have one
51
            el = this._createTabViewElement(attr);
52
        }
53
        TabView.superclass.constructor.call(this, el, attr);
54
    };
55
 
56
    YAHOO.extend(TabView, Y.Element, {
57
        /**
58
         * The className to add when building from scratch.
59
         * @property CLASSNAME
60
         * @default "navset"
61
         */
62
        CLASSNAME: 'yui-navset',
63
 
64
        /**
65
         * The className of the HTMLElement containing the TabView's tab elements
66
         * to look for when building from existing markup, or to add when building
67
         * from scratch.
68
         * All childNodes of the tab container are treated as Tabs when building
69
         * from existing markup.
70
         * @property TAB_PARENT_CLASSNAME
71
         * @default "nav"
72
         */
73
        TAB_PARENT_CLASSNAME: 'yui-nav',
74
 
75
        /**
76
         * The className of the HTMLElement containing the TabView's label elements
77
         * to look for when building from existing markup, or to add when building
78
         * from scratch.
79
         * All childNodes of the content container are treated as content elements when
80
         * building from existing markup.
81
         * @property CONTENT_PARENT_CLASSNAME
82
         * @default "nav-content"
83
         */
84
        CONTENT_PARENT_CLASSNAME: 'yui-content',
85
 
86
        _tabParent: null,
87
        _contentParent: null,
88
 
89
        /**
90
         * Adds a Tab to the TabView instance.
91
         * If no index is specified, the tab is added to the end of the tab list.
92
         * @method addTab
93
         * @param {YAHOO.widget.Tab} tab A Tab instance to add.
94
         * @param {Integer} index The position to add the tab.
95
         * @return void
96
         */
97
        addTab: function(tab, index) {
98
            var tabs = this.get('tabs'),
99
                tabParent = this._tabParent,
100
                contentParent = this._contentParent,
101
                tabElement = tab.get(ELEMENT),
102
                contentEl = tab.get(CONTENT_EL),
103
                activeIndex = this.get(ACTIVE_INDEX),
104
                before;
105
 
106
            if (!tabs) { // not ready yet
107
                this._queue[this._queue.length] = ['addTab', arguments];
108
                return false;
109
            }
110
 
111
            before = this.getTab(index);
112
            index = (index === undefined) ? tabs.length : index;
113
 
114
            tabs.splice(index, 0, tab);
115
 
116
            if (before) {
117
                tabParent.insertBefore(tabElement, before.get(ELEMENT));
118
                if (contentEl) {
119
                    contentParent.appendChild(contentEl);
120
                }
121
            } else {
122
                tabParent.appendChild(tabElement);
123
                if (contentEl) {
124
                    contentParent.appendChild(contentEl);
125
                }
126
            }
127
 
128
            if ( !tab.get(ACTIVE) ) {
129
                tab.set('contentVisible', false, true); /* hide if not active */
130
                if (index <= activeIndex) {
131
                    this.set(ACTIVE_INDEX, activeIndex + 1, true);
132
                }
133
            } else {
134
                this.set(ACTIVE_TAB, tab, true);
135
                this.set('activeIndex', index, true);
136
            }
137
 
138
            this._initTabEvents(tab);
139
        },
140
 
141
        _initTabEvents: function(tab) {
142
            tab.addListener( tab.get('activationEvent'), tab._onActivate, this, tab);
143
            tab.addListener('activationEventChange', tab._onActivationEventChange, this, tab);
144
        },
145
 
146
        _removeTabEvents: function(tab) {
147
            tab.removeListener(tab.get('activationEvent'), tab._onActivate, this, tab);
148
            tab.removeListener('activationEventChange', tab._onActivationEventChange, this, tab);
149
        },
150
 
151
        /**
152
         * Routes childNode events.
153
         * @method DOMEventHandler
154
         * @param {event} e The Dom event that is being handled.
155
         * @return void
156
         */
157
        DOMEventHandler: function(e) {
158
            var target = Event.getTarget(e),
159
                tabParent = this._tabParent,
160
                tabs = this.get('tabs'),
161
                tab,
162
                tabEl,
163
                contentEl;
164
 
165
 
166
            if (Dom.isAncestor(tabParent, target) ) {
167
                for (var i = 0, len = tabs.length; i < len; i++) {
168
                    tabEl = tabs[i].get(ELEMENT);
169
                    contentEl = tabs[i].get(CONTENT_EL);
170
 
171
                    if ( target == tabEl || Dom.isAncestor(tabEl, target) ) {
172
                        tab = tabs[i];
173
                        break; // note break
174
                    }
175
                }
176
 
177
                if (tab) {
178
                    tab.fireEvent(e.type, e);
179
                }
180
            }
181
        },
182
 
183
        /**
184
         * Returns the Tab instance at the specified index.
185
         * @method getTab
186
         * @param {Integer} index The position of the Tab.
187
         * @return YAHOO.widget.Tab
188
         */
189
        getTab: function(index) {
190
            return this.get('tabs')[index];
191
        },
192
 
193
        /**
194
         * Returns the index of given tab.
195
         * @method getTabIndex
196
         * @param {YAHOO.widget.Tab} tab The tab whose index will be returned.
197
         * @return int
198
         */
199
        getTabIndex: function(tab) {
200
            var index = null,
201
                tabs = this.get('tabs');
202
            for (var i = 0, len = tabs.length; i < len; ++i) {
203
                if (tab == tabs[i]) {
204
                    index = i;
205
                    break;
206
                }
207
            }
208
 
209
            return index;
210
        },
211
 
212
        /**
213
         * Removes the specified Tab from the TabView.
214
         * @method removeTab
215
         * @param {YAHOO.widget.Tab} item The Tab instance to be removed.
216
         * @return void
217
         */
218
        removeTab: function(tab) {
219
            var tabCount = this.get('tabs').length,
220
                activeIndex = this.get(ACTIVE_INDEX),
221
                index = this.getTabIndex(tab);
222
 
223
            if ( tab === this.get(ACTIVE_TAB) ) {
224
                if (tabCount > 1) { // select another tab
225
                    if (index + 1 === tabCount) { // if last, activate previous
226
                        this.set(ACTIVE_INDEX, index - 1);
227
                    } else { // activate next tab
228
                        this.set(ACTIVE_INDEX, index + 1);
229
                    }
230
                } else { // no more tabs
231
                    this.set(ACTIVE_TAB, null);
232
                }
233
            } else if (index < activeIndex) {
234
                this.set(ACTIVE_INDEX, activeIndex - 1, true);
235
            }
236
 
237
            this._removeTabEvents(tab);
238
            this._tabParent.removeChild( tab.get(ELEMENT) );
239
            this._contentParent.removeChild( tab.get(CONTENT_EL) );
240
            this._configs.tabs.value.splice(index, 1);
241
 
242
            tab.fireEvent('remove', { type: 'remove', tabview: this });
243
        },
244
 
245
        /**
246
         * Provides a readable name for the TabView instance.
247
         * @method toString
248
         * @return String
249
         */
250
        toString: function() {
251
            var name = this.get('id') || this.get('tagName');
252
            return "TabView " + name;
253
        },
254
 
255
        /**
256
         * The transiton to use when switching between tabs.
257
         * @method contentTransition
258
         */
259
        contentTransition: function(newTab, oldTab) {
260
            if (newTab) {
261
                newTab.set('contentVisible', true);
262
            }
263
            if (oldTab) {
264
                oldTab.set('contentVisible', false);
265
            }
266
        },
267
 
268
        /**
269
         * setAttributeConfigs TabView specific properties.
270
         * @method initAttributes
271
         * @param {Object} attr Hash of initial attributes
272
         */
273
        initAttributes: function(attr) {
274
            TabView.superclass.initAttributes.call(this, attr);
275
 
276
            if (!attr.orientation) {
277
                attr.orientation = 'top';
278
            }
279
 
280
            var el = this.get(ELEMENT);
281
 
282
            if (!this.hasClass(this.CLASSNAME)) {
283
                this.addClass(this.CLASSNAME);
284
            }
285
 
286
            /**
287
             * The Tabs belonging to the TabView instance.
288
             * @attribute tabs
289
             * @type Array
290
             */
291
            this.setAttributeConfig('tabs', {
292
                value: [],
293
                readOnly: true
294
            });
295
 
296
            /**
297
             * The container of the tabView's label elements.
298
             * @property _tabParent
299
             * @private
300
             * @type HTMLElement
301
             */
302
            this._tabParent =
303
                    this.getElementsByClassName(this.TAB_PARENT_CLASSNAME,
304
                            'ul' )[0] || this._createTabParent();
305
 
306
            /**
307
             * The container of the tabView's content elements.
308
             * @property _contentParent
309
             * @type HTMLElement
310
             * @private
311
             */
312
            this._contentParent =
313
                    this.getElementsByClassName(this.CONTENT_PARENT_CLASSNAME,
314
                            'div')[0] ||  this._createContentParent();
315
 
316
            /**
317
             * How the Tabs should be oriented relative to the TabView.
318
             * Valid orientations are "top", "left", "bottom", and "right"
319
             * @attribute orientation
320
             * @type String
321
             * @default "top"
322
             */
323
            this.setAttributeConfig('orientation', {
324
                value: attr.orientation,
325
                method: function(value) {
326
                    var current = this.get('orientation');
327
                    this.addClass('yui-navset-' + value);
328
 
329
                    if (current != value) {
330
                        this.removeClass('yui-navset-' + current);
331
                    }
332
 
333
                    if (value === 'bottom') {
334
                        this.appendChild(this._tabParent);
335
                    }
336
                }
337
            });
338
 
339
            /**
340
             * The index of the tab currently active.
341
             * @attribute activeIndex
342
             * @type Int
343
             */
344
            this.setAttributeConfig(ACTIVE_INDEX, {
345
                value: attr.activeIndex,
346
                validator: function(value) {
347
                    var ret = true,
348
                        tab;
349
                    if (value) { // cannot activate if disabled
350
                        tab = this.getTab(value);
351
                        if (tab && tab.get(DISABLED)) {
352
                            ret = false;
353
                        }
354
                    }
355
                    return ret;
356
                }
357
            });
358
 
359
            /**
360
             * The tab currently active.
361
             * @attribute activeTab
362
             * @type YAHOO.widget.Tab
363
             */
364
            this.setAttributeConfig(ACTIVE_TAB, {
365
                value: attr[ACTIVE_TAB],
366
                method: function(tab) {
367
                    var activeTab = this.get(ACTIVE_TAB);
368
 
369
                    if (tab) {
370
                        tab.set(ACTIVE, true);
371
                    }
372
 
373
                    if (activeTab && activeTab !== tab) {
374
                        activeTab.set(ACTIVE, false);
375
                    }
376
 
377
                    if (activeTab && tab !== activeTab) { // no transition if only 1
378
                        this.contentTransition(tab, activeTab);
379
                    } else if (tab) {
380
                        tab.set('contentVisible', true);
381
                    }
382
                },
383
                validator: function(value) {
384
                    var ret = true;
385
                    if (value && value.get(DISABLED)) { // cannot activate if disabled
386
                        ret = false;
387
                    }
388
                    return ret;
389
                }
390
            });
391
 
392
            this.on('activeTabChange', this._onActiveTabChange);
393
            this.on('activeIndexChange', this._onActiveIndexChange);
394
 
395
            if ( this._tabParent ) {
396
                this._initTabs();
397
            }
398
 
399
            // Due to delegation we add all DOM_EVENTS to the TabView container
400
            // but IE will leak when unsupported events are added, so remove these
401
            this.DOM_EVENTS.submit = false;
402
            this.DOM_EVENTS.focus = false;
403
            this.DOM_EVENTS.blur = false;
404
            this.DOM_EVENTS.change = false;
405
 
406
            for (var type in this.DOM_EVENTS) {
407
                if ( YAHOO.lang.hasOwnProperty(this.DOM_EVENTS, type) ) {
408
                    this.addListener.call(this, type, this.DOMEventHandler);
409
                }
410
            }
411
        },
412
 
413
        /**
414
         * Removes selected state from the given tab if it is the activeTab
415
         * @method deselectTab
416
         * @param {Int} index The tab index to deselect
417
         */
418
        deselectTab: function(index) {
419
            if (this.getTab(index) === this.get(ACTIVE_TAB)) {
420
                this.set(ACTIVE_TAB, null);
421
            }
422
        },
423
 
424
        /**
425
         * Makes the tab at the given index the active tab
426
         * @method selectTab
427
         * @param {Int} index The tab index to be made active
428
         */
429
        selectTab: function(index) {
430
            this.set(ACTIVE_TAB, this.getTab(index));
431
        },
432
 
433
        _onActiveTabChange: function(e) {
434
            var activeIndex = this.get(ACTIVE_INDEX),
435
                newIndex = this.getTabIndex(e.newValue);
436
 
437
            if (activeIndex !== newIndex) {
438
                if (!(this.set(ACTIVE_INDEX, newIndex)) ) { // NOTE: setting
439
                     // revert if activeIndex update fails (cancelled via beforeChange)
440
                    this.set(ACTIVE_TAB, e.prevValue);
441
                }
442
            }
443
        },
444
 
445
        _onActiveIndexChange: function(e) {
446
            // no set if called from ActiveTabChange event
447
            if (e.newValue !== this.getTabIndex(this.get(ACTIVE_TAB))) {
448
                if (!(this.set(ACTIVE_TAB, this.getTab(e.newValue))) ) { // NOTE: setting
449
                     // revert if activeTab update fails (cancelled via beforeChange)
450
                    this.set(ACTIVE_INDEX, e.prevValue);
451
                }
452
            }
453
        },
454
 
455
        /**
456
         * Creates Tab instances from a collection of HTMLElements.
457
         * @method _initTabs
458
         * @private
459
         * @return void
460
         */
461
        _initTabs: function() {
462
            var tabs = Dom.getChildren(this._tabParent),
463
                contentElements = Dom.getChildren(this._contentParent),
464
                activeIndex = this.get(ACTIVE_INDEX),
465
                tab,
466
                attr,
467
                active;
468
 
469
            for (var i = 0, len = tabs.length; i < len; ++i) {
470
                attr = {};
471
 
472
                if (contentElements[i]) {
473
                    attr.contentEl = contentElements[i];
474
                }
475
 
476
                tab = new YAHOO.widget.Tab(tabs[i], attr);
477
                this.addTab(tab);
478
 
479
                if (tab.hasClass(tab.ACTIVE_CLASSNAME) ) {
480
                    active = tab;
481
                }
482
            }
483
            if (activeIndex != undefined) { // not null or undefined
484
                this.set(ACTIVE_TAB, this.getTab(activeIndex));
485
            } else {
486
                this._configs[ACTIVE_TAB].value = active; // dont invoke method
487
                this._configs[ACTIVE_INDEX].value = this.getTabIndex(active);
488
            }
489
        },
490
 
491
        _createTabViewElement: function(attr) {
492
            var el = document.createElement('div');
493
 
494
            if ( this.CLASSNAME ) {
495
                el.className = this.CLASSNAME;
496
            }
497
 
498
            return el;
499
        },
500
 
501
        _createTabParent: function(attr) {
502
            var el = document.createElement('ul');
503
 
504
            if ( this.TAB_PARENT_CLASSNAME ) {
505
                el.className = this.TAB_PARENT_CLASSNAME;
506
            }
507
 
508
            this.get(ELEMENT).appendChild(el);
509
 
510
            return el;
511
        },
512
 
513
        _createContentParent: function(attr) {
514
            var el = document.createElement('div');
515
 
516
            if ( this.CONTENT_PARENT_CLASSNAME ) {
517
                el.className = this.CONTENT_PARENT_CLASSNAME;
518
            }
519
 
520
            this.get(ELEMENT).appendChild(el);
521
 
522
            return el;
523
        }
524
    });
525
 
526
 
527
    YAHOO.widget.TabView = TabView;
528
})();
529
 
530
(function() {
531
    var Y = YAHOO.util,
532
        Dom = Y.Dom,
533
        Lang = YAHOO.lang,
534
 
535
 
536
    // STRING CONSTANTS
537
        ACTIVE_TAB = 'activeTab',
538
        LABEL = 'label',
539
        LABEL_EL = 'labelEl',
540
        CONTENT = 'content',
541
        CONTENT_EL = 'contentEl',
542
        ELEMENT = 'element',
543
        CACHE_DATA = 'cacheData',
544
        DATA_SRC = 'dataSrc',
545
        DATA_LOADED = 'dataLoaded',
546
        DATA_TIMEOUT = 'dataTimeout',
547
        LOAD_METHOD = 'loadMethod',
548
        POST_DATA = 'postData',
549
        DISABLED = 'disabled',
550
 
551
    /**
552
     * A representation of a Tab's label and content.
553
     * @namespace YAHOO.widget
554
     * @class Tab
555
     * @extends YAHOO.util.Element
556
     * @constructor
557
     * @param element {HTMLElement | String} (optional) The html element that
558
     * represents the Tab. An element will be created if none provided.
559
     * @param {Object} properties A key map of initial properties
560
     */
561
    Tab = function(el, attr) {
562
        attr = attr || {};
563
        if (arguments.length == 1 && !Lang.isString(el) && !el.nodeName) {
564
            attr = el;
565
            el = attr.element;
566
        }
567
 
568
        if (!el && !attr.element) {
569
            el = this._createTabElement(attr);
570
        }
571
 
572
        this.loadHandler =  {
573
            success: function(o) {
574
                this.set(CONTENT, o.responseText);
575
            },
576
            failure: function(o) {
577
            }
578
        };
579
 
580
        Tab.superclass.constructor.call(this, el, attr);
581
 
582
        this.DOM_EVENTS = {}; // delegating to tabView
583
    };
584
 
585
    YAHOO.extend(Tab, YAHOO.util.Element, {
586
        /**
587
         * The default tag name for a Tab's inner element.
588
         * @property LABEL_INNER_TAGNAME
589
         * @type String
590
         * @default "em"
591
         */
592
        LABEL_TAGNAME: 'em',
593
 
594
        /**
595
         * The class name applied to active tabs.
596
         * @property ACTIVE_CLASSNAME
597
         * @type String
598
         * @default "selected"
599
         */
600
        ACTIVE_CLASSNAME: 'selected',
601
 
602
        /**
603
         * The class name applied to active tabs.
604
         * @property HIDDEN_CLASSNAME
605
         * @type String
606
         * @default "yui-hidden"
607
         */
608
        HIDDEN_CLASSNAME: 'yui-hidden',
609
 
610
        /**
611
         * The title applied to active tabs.
612
         * @property ACTIVE_TITLE
613
         * @type String
614
         * @default "active"
615
         */
616
        ACTIVE_TITLE: 'active',
617
 
618
        /**
619
         * The class name applied to disabled tabs.
620
         * @property DISABLED_CLASSNAME
621
         * @type String
622
         * @default "disabled"
623
         */
624
        DISABLED_CLASSNAME: DISABLED,
625
 
626
        /**
627
         * The class name applied to dynamic tabs while loading.
628
         * @property LOADING_CLASSNAME
629
         * @type String
630
         * @default "disabled"
631
         */
632
        LOADING_CLASSNAME: 'loading',
633
 
634
        /**
635
         * Provides a reference to the connection request object when data is
636
         * loaded dynamically.
637
         * @property dataConnection
638
         * @type Object
639
         */
640
        dataConnection: null,
641
 
642
        /**
643
         * Object containing success and failure callbacks for loading data.
644
         * @property loadHandler
645
         * @type object
646
         */
647
        loadHandler: null,
648
 
649
        _loading: false,
650
 
651
        /**
652
         * Provides a readable name for the tab.
653
         * @method toString
654
         * @return String
655
         */
656
        toString: function() {
657
            var el = this.get(ELEMENT),
658
                id = el.id || el.tagName;
659
            return "Tab " + id;
660
        },
661
 
662
        /**
663
         * setAttributeConfigs Tab specific properties.
664
         * @method initAttributes
665
         * @param {Object} attr Hash of initial attributes
666
         */
667
        initAttributes: function(attr) {
668
            attr = attr || {};
669
            Tab.superclass.initAttributes.call(this, attr);
670
 
671
            /**
672
             * The event that triggers the tab's activation.
673
             * @attribute activationEvent
674
             * @type String
675
             */
676
            this.setAttributeConfig('activationEvent', {
677
                value: attr.activationEvent || 'click'
678
            });
679
 
680
            /**
681
             * The element that contains the tab's label.
682
             * @attribute labelEl
683
             * @type HTMLElement
684
             */
685
            this.setAttributeConfig(LABEL_EL, {
686
                value: attr[LABEL_EL] || this._getLabelEl(),
687
                method: function(value) {
688
                    value = Dom.get(value);
689
                    var current = this.get(LABEL_EL);
690
 
691
                    if (current) {
692
                        if (current == value) {
693
                            return false; // already set
694
                        }
695
 
696
                        current.parentNode.replaceChild(value, current);
697
                        this.set(LABEL, value.innerHTML);
698
                    }
699
                }
700
            });
701
 
702
            /**
703
             * The tab's label text (or innerHTML).
704
             * @attribute label
705
             * @type String
706
             */
707
            this.setAttributeConfig(LABEL, {
708
                value: attr.label || this._getLabel(),
709
                method: function(value) {
710
                    var labelEl = this.get(LABEL_EL);
711
                    if (!labelEl) { // create if needed
712
                        this.set(LABEL_EL, this._createLabelEl());
713
                    }
714
 
715
                    labelEl.innerHTML = value;
716
                }
717
            });
718
 
719
            /**
720
             * The HTMLElement that contains the tab's content.
721
             * @attribute contentEl
722
             * @type HTMLElement
723
             */
724
            this.setAttributeConfig(CONTENT_EL, {
725
                value: attr[CONTENT_EL] || document.createElement('div'),
726
                method: function(value) {
727
                    value = Dom.get(value);
728
                    var current = this.get(CONTENT_EL);
729
 
730
                    if (current) {
731
                        if (current === value) {
732
                            return false; // already set
733
                        }
734
                        if (!this.get('selected')) {
735
                            Dom.addClass(value, this.HIDDEN_CLASSNAME);
736
                        }
737
                        current.parentNode.replaceChild(value, current);
738
                        this.set(CONTENT, value.innerHTML);
739
                    }
740
                }
741
            });
742
 
743
            /**
744
             * The tab's content.
745
             * @attribute content
746
             * @type String
747
             */
748
            this.setAttributeConfig(CONTENT, {
749
                value: attr[CONTENT] || this.get(CONTENT_EL).innerHTML,
750
                method: function(value) {
751
                    this.get(CONTENT_EL).innerHTML = value;
752
                }
753
            });
754
 
755
            /**
756
             * The tab's data source, used for loading content dynamically.
757
             * @attribute dataSrc
758
             * @type String
759
             */
760
            this.setAttributeConfig(DATA_SRC, {
761
                value: attr.dataSrc
762
            });
763
 
764
            /**
765
             * Whether or not content should be reloaded for every view.
766
             * @attribute cacheData
767
             * @type Boolean
768
             * @default false
769
             */
770
            this.setAttributeConfig(CACHE_DATA, {
771
                value: attr.cacheData || false,
772
                validator: Lang.isBoolean
773
            });
774
 
775
            /**
776
             * The method to use for the data request.
777
             * @attribute loadMethod
778
             * @type String
779
             * @default "GET"
780
             */
781
            this.setAttributeConfig(LOAD_METHOD, {
782
                value: attr.loadMethod || 'GET',
783
                validator: Lang.isString
784
            });
785
 
786
            /**
787
             * Whether or not any data has been loaded from the server.
788
             * @attribute dataLoaded
789
             * @type Boolean
790
             */
791
            this.setAttributeConfig(DATA_LOADED, {
792
                value: false,
793
                validator: Lang.isBoolean,
794
                writeOnce: true
795
            });
796
 
797
            /**
798
             * Number if milliseconds before aborting and calling failure handler.
799
             * @attribute dataTimeout
800
             * @type Number
801
             * @default null
802
             */
803
            this.setAttributeConfig(DATA_TIMEOUT, {
804
                value: attr.dataTimeout || null,
805
                validator: Lang.isNumber
806
            });
807
 
808
            /**
809
             * Arguments to pass when POST method is used
810
             * @attribute postData
811
             * @default null
812
             */
813
            this.setAttributeConfig(POST_DATA, {
814
                value: attr.postData || null
815
            });
816
 
817
            /**
818
             * Whether or not the tab is currently active.
819
             * If a dataSrc is set for the tab, the content will be loaded from
820
             * the given source.
821
             * @attribute active
822
             * @type Boolean
823
             */
824
            this.setAttributeConfig('active', {
825
                value: attr.active || this.hasClass(this.ACTIVE_CLASSNAME),
826
                method: function(value) {
827
                    if (value === true) {
828
                        this.addClass(this.ACTIVE_CLASSNAME);
829
                        this.set('title', this.ACTIVE_TITLE);
830
                    } else {
831
                        this.removeClass(this.ACTIVE_CLASSNAME);
832
                        this.set('title', '');
833
                    }
834
                },
835
                validator: function(value) {
836
                    return Lang.isBoolean(value) && !this.get(DISABLED) ;
837
                }
838
            });
839
 
840
            /**
841
             * Whether or not the tab is disabled.
842
             * @attribute disabled
843
             * @type Boolean
844
             */
845
            this.setAttributeConfig(DISABLED, {
846
                value: attr.disabled || this.hasClass(this.DISABLED_CLASSNAME),
847
                method: function(value) {
848
                    if (value === true) {
849
                        this.addClass(this.DISABLED_CLASSNAME);
850
                    } else {
851
                        this.removeClass(this.DISABLED_CLASSNAME);
852
                    }
853
                },
854
                validator: Lang.isBoolean
855
            });
856
 
857
            /**
858
             * The href of the tab's anchor element.
859
             * @attribute href
860
             * @type String
861
             * @default '#'
862
             */
863
            this.setAttributeConfig('href', {
864
                value: attr.href ||
865
                        this.getElementsByTagName('a')[0].getAttribute('href', 2) || '#',
866
                method: function(value) {
867
                    this.getElementsByTagName('a')[0].href = value;
868
                },
869
                validator: Lang.isString
870
            });
871
 
872
            /**
873
             * The Whether or not the tab's content is visible.
874
             * @attribute contentVisible
875
             * @type Boolean
876
             * @default false
877
             */
878
            this.setAttributeConfig('contentVisible', {
879
                value: attr.contentVisible,
880
                method: function(value) {
881
                    if (value) {
882
                        Dom.removeClass(this.get(CONTENT_EL), this.HIDDEN_CLASSNAME);
883
 
884
                        if ( this.get(DATA_SRC) ) {
885
                         // load dynamic content unless already loading or loaded and caching
886
                            if ( !this._loading && !(this.get(DATA_LOADED) && this.get(CACHE_DATA)) ) {
887
                                this._dataConnect();
888
                            }
889
                        }
890
                    } else {
891
                        Dom.addClass(this.get(CONTENT_EL), this.HIDDEN_CLASSNAME);
892
                    }
893
                },
894
                validator: Lang.isBoolean
895
            });
896
        },
897
 
898
        _dataConnect: function() {
899
            if (!Y.Connect) {
900
                return false;
901
            }
902
 
903
            Dom.addClass(this.get(CONTENT_EL).parentNode, this.LOADING_CLASSNAME);
904
            this._loading = true;
905
            this.dataConnection = Y.Connect.asyncRequest(
906
                this.get(LOAD_METHOD),
907
                this.get(DATA_SRC),
908
                {
909
                    success: function(o) {
910
                        this.loadHandler.success.call(this, o);
911
                        this.set(DATA_LOADED, true);
912
                        this.dataConnection = null;
913
                        Dom.removeClass(this.get(CONTENT_EL).parentNode,
914
                                this.LOADING_CLASSNAME);
915
                        this._loading = false;
916
                    },
917
                    failure: function(o) {
918
                        this.loadHandler.failure.call(this, o);
919
                        this.dataConnection = null;
920
                        Dom.removeClass(this.get(CONTENT_EL).parentNode,
921
                                this.LOADING_CLASSNAME);
922
                        this._loading = false;
923
                    },
924
                    scope: this,
925
                    timeout: this.get(DATA_TIMEOUT)
926
                },
927
 
928
                this.get(POST_DATA)
929
            );
930
        },
931
        _createTabElement: function(attr) {
932
            var el = document.createElement('li'),
933
                a = document.createElement('a'),
934
                label = attr.label || null,
935
                labelEl = attr.labelEl || null;
936
 
937
            a.href = attr.href || '#'; // TODO: Use Dom.setAttribute?
938
            el.appendChild(a);
939
 
940
            if (labelEl) { // user supplied labelEl
941
                if (!label) { // user supplied label
942
                    label = this._getLabel();
943
                }
944
            } else {
945
                labelEl = this._createLabelEl();
946
            }
947
 
948
            a.appendChild(labelEl);
949
 
950
            return el;
951
        },
952
 
953
        _getLabelEl: function() {
954
            return this.getElementsByTagName(this.LABEL_TAGNAME)[0];
955
        },
956
 
957
        _createLabelEl: function() {
958
            var el = document.createElement(this.LABEL_TAGNAME);
959
            return el;
960
        },
961
 
962
 
963
        _getLabel: function() {
964
            var el = this.get(LABEL_EL);
965
 
966
                if (!el) {
967
                    return undefined;
968
                }
969
 
970
            return el.innerHTML;
971
        },
972
 
973
        _onActivate: function(e, tabview) {
974
            var tab = this,
975
                silent = false;
976
 
977
            Y.Event.preventDefault(e);
978
            if (tab === tabview.get(ACTIVE_TAB)) {
979
                silent = true; // dont fire activeTabChange if already active
980
            }
981
            tabview.set(ACTIVE_TAB, tab, silent);
982
        },
983
 
984
        _onActivationEventChange: function(e) {
985
            var tab = this;
986
 
987
            if (e.prevValue != e.newValue) {
988
                tab.removeListener(e.prevValue, tab._onActivate);
989
                tab.addListener(e.newValue, tab._onActivate, this, tab);
990
            }
991
        }
992
    });
993
 
994
 
995
    /**
996
     * Fires when a tab is removed from the tabview
997
     * @event remove
998
     * @type CustomEvent
999
     * @param {Event} An event object with fields for "type" ("remove")
1000
     * and "tabview" (the tabview instance it was removed from)
1001
     */
1002
 
1003
    YAHOO.widget.Tab = Tab;
1004
})();
1005
 
1006
YAHOO.register("tabview", YAHOO.widget.TabView, {version: "2.9.0", build: "2800"});
1007
 
1008
}, '2.9.0' ,{"requires": ["yui2-yahoo", "yui2-dom", "yui2-event", "yui2-skin-sam-tabview", "yui2-element"], "optional": ["yui2-connection"]});