1/* ========================================================
2 * bootstrap-tab.js v2.3.1
3 * http://twitter.github.com/bootstrap/javascript.html#tabs
4 * ========================================================
5 * Copyright 2012 Twitter, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ======================================================== */
19
20
21!function ($) {
22
23  "use strict"; // jshint ;_;
24
25
26 /* TAB CLASS DEFINITION
27  * ==================== */
28
29  var Tab = function (element) {
30    this.element = $(element)
31  }
32
33  Tab.prototype = {
34
35    constructor: Tab
36
37  , show: function () {
38      var $this = this.element
39        , $ul = $this.closest('ul:not(.dropdown-menu)')
40        , selector = $this.attr('data-target')
41        , previous
42        , $target
43        , e
44
45      if (!selector) {
46        selector = $this.attr('href')
47        selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
48      }
49
50      if ( $this.parent('li').hasClass('active') ) return
51
52      previous = $ul.find('.active:last a')[0]
53
54      e = $.Event('show', {
55        relatedTarget: previous
56      })
57
58      $this.trigger(e)
59
60      if (e.isDefaultPrevented()) return
61
62      $target = $(selector)
63
64      this.activate($this.parent('li'), $ul)
65      this.activate($target, $target.parent(), function () {
66        $this.trigger({
67          type: 'shown'
68        , relatedTarget: previous
69        })
70      })
71    }
72
73  , activate: function ( element, container, callback) {
74      var $active = container.find('> .active')
75        , transition = callback
76            && $.support.transition
77            && $active.hasClass('fade')
78
79      function next() {
80        $active
81          .removeClass('active')
82          .find('> .dropdown-menu > .active')
83          .removeClass('active')
84
85        element.addClass('active')
86
87        if (transition) {
88          element[0].offsetWidth // reflow for transition
89          element.addClass('in')
90        } else {
91          element.removeClass('fade')
92        }
93
94        if ( element.parent('.dropdown-menu') ) {
95          element.closest('li.dropdown').addClass('active')
96        }
97
98        callback && callback()
99      }
100
101      transition ?
102        $active.one($.support.transition.end, next) :
103        next()
104
105      $active.removeClass('in')
106    }
107  }
108
109
110 /* TAB PLUGIN DEFINITION
111  * ===================== */
112
113  var old = $.fn.tab
114
115  $.fn.tab = function ( option ) {
116    return this.each(function () {
117      var $this = $(this)
118        , data = $this.data('tab')
119      if (!data) $this.data('tab', (data = new Tab(this)))
120      if (typeof option == 'string') data[option]()
121    })
122  }
123
124  $.fn.tab.Constructor = Tab
125
126
127 /* TAB NO CONFLICT
128  * =============== */
129
130  $.fn.tab.noConflict = function () {
131    $.fn.tab = old
132    return this
133  }
134
135
136 /* TAB DATA-API
137  * ============ */
138
139  $(document).on('click.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
140    e.preventDefault()
141    $(this).tab('show')
142  })
143
144}(window.jQuery);