https://www.sfsu.edu/profiles/custom/sfstatedrupal/themes/custom/s…/javascripts/bootstrap/collapse.js?tluyiz

1/* ========================================================================
2 * Bootstrap: collapse.js v3.3.7
3 * http://getbootstrap.com/javascript/#collapse
4 * ========================================================================
5 * Copyright 2011-2016 Twitter, Inc.
6 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
7 * ======================================================================== */
8
9/* jshint latedef: false */
10
11+function ($) {
12  'use strict';
13
14  // COLLAPSE PUBLIC CLASS DEFINITION
15  // ================================
16
17  var Collapse = function (element, options) {
18    this.$element      = $(element)
19    this.options       = $.extend({}, Collapse.DEFAULTS, options)
20    this.$trigger      = $('[data-toggle="collapse"][href="#' + element.id + '"],' +
21                           '[data-toggle="collapse"][data-target="#' + element.id + '"]')
22    this.transitioning = null
23
24    if (this.options.parent) {
25      this.$parent = this.getParent()
26    } else {
27      this.addAriaAndCollapsedClass(this.$element, this.$trigger)
28    }
29
30    if (this.options.toggle) this.toggle()
31  }
32
33  Collapse.VERSION  = '3.3.7'
34
35  Collapse.TRANSITION_DURATION = 350
36
37  Collapse.DEFAULTS = {
38    toggle: true
39  }
40
41  Collapse.prototype.dimension = function () {
42    var hasWidth = this.$element.hasClass('width')
43    return hasWidth ? 'width' : 'height'
44  }
45
46  Collapse.prototype.show = function () {
47    if (this.transitioning || this.$element.hasClass('in')) return
48
49    var activesData
50    var actives = this.$parent && this.$parent.children('.panel').children('.in, .collapsing')
51
52    if (actives && actives.length) {
53      activesData = actives.data('bs.collapse')
54      if (activesData && activesData.transitioning) return
55    }
56
57    var startEvent = $.Event('show.bs.collapse')
58    this.$element.trigger(startEvent)
59    if (startEvent.isDefaultPrevented()) return
60
61    if (actives && actives.length) {
62      Plugin.call(actives, 'hide')
63      activesData || actives.data('bs.collapse', null)
64    }
65
66    var dimension = this.dimension()
67
68    this.$element
69      .removeClass('collapse')
70      .addClass('collapsing')[dimension](0)
71      .attr('aria-expanded', true)
72
73    this.$trigger
74      .removeClass('collapsed')
75      .attr('aria-expanded', true)
76
77    this.transitioning = 1
78
79    var complete = function () {
80      this.$element
81        .removeClass('collapsing')
82        .addClass('collapse in')[dimension]('')
83      this.transitioning = 0
84      this.$element
85        .trigger('shown.bs.collapse')
86    }
87
88    if (!$.support.transition) return complete.call(this)
89
90    var scrollSize = $.camelCase(['scroll', dimension].join('-'))
91
92    this.$element
93      .one('bsTransitionEnd', $.proxy(complete, this))
94      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)[dimension](this.$element[0][scrollSize])
95  }
96
97  Collapse.prototype.hide = function () {
98    if (this.transitioning || !this.$element.hasClass('in')) return
99
100    var startEvent = $.Event('hide.bs.collapse')
101    this.$element.trigger(startEvent)
102    if (startEvent.isDefaultPrevented()) return
103
104    var dimension = this.dimension()
105
106    this.$element[dimension](this.$element[dimension]())[0].offsetHeight
107
108    this.$element
109      .addClass('collapsing')
110      .removeClass('collapse in')
111      .attr('aria-expanded', false)
112
113    this.$trigger
114      .addClass('collapsed')
115      .attr('aria-expanded', false)
116
117    this.transitioning = 1
118
119    var complete = function () {
120      this.transitioning = 0
121      this.$element
122        .removeClass('collapsing')
123        .addClass('collapse')
124        .trigger('hidden.bs.collapse')
125    }
126
127    if (!$.support.transition) return complete.call(this)
128
129    this.$element
130      [dimension](0)
131      .one('bsTransitionEnd', $.proxy(complete, this))
132      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)
133  }
134
135  Collapse.prototype.toggle = function () {
136    this[this.$element.hasClass('in') ? 'hide' : 'show']()
137  }
138
139  Collapse.prototype.getParent = function () {
140    return $(this.options.parent)
141      .find('[data-toggle="collapse"][data-parent="' + this.options.parent + '"]')
142      .each($.proxy(function (i, element) {
143        var $element = $(element)
144        this.addAriaAndCollapsedClass(getTargetFromTrigger($element), $element)
145      }, this))
146      .end()
147  }
148
149  Collapse.prototype.addAriaAndCollapsedClass = function ($element, $trigger) {
150    var isOpen = $element.hasClass('in')
151
152    $element.attr('aria-expanded', isOpen)
153    $trigger
154      .toggleClass('collapsed', !isOpen)
155      .attr('aria-expanded', isOpen)
156  }
157
158  function getTargetFromTrigger($trigger) {
159    var href
160    var target = $trigger.attr('data-target')
161      || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
162
163    return $(target)
164  }
165
166
167  // COLLAPSE PLUGIN DEFINITION
168  // ==========================
169
170  function Plugin(option) {
171    return this.each(function () {
172      var $this   = $(this)
173      var data    = $this.data('bs.collapse')
174      var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)
175
176      if (!data && options.toggle && /show|hide/.test(option)) options.toggle = false
177      if (!data) $this.data('bs.collapse', (data = new Collapse(this, options)))
178      if (typeof option == 'string') data[option]()
179    })
180  }
181
182  var old = $.fn.collapse
183
184  $.fn.collapse             = Plugin
185  $.fn.collapse.Constructor = Collapse
186
187
188  // COLLAPSE NO CONFLICT
189  // ====================
190
191  $.fn.collapse.noConflict = function () {
192    $.fn.collapse = old
193    return this
194  }
195
196
197  // COLLAPSE DATA-API
198  // =================
199
200  $(document).on('click.bs.collapse.data-api', '[data-toggle="collapse"]', function (e) {
201    var $this   = $(this)
202
203    if (!$this.attr('data-target')) e.preventDefault()
204
205    var $target = getTargetFromTrigger($this)
206    var data    = $target.data('bs.collapse')
207    var option  = data ? 'toggle' : $this.data()
208
209    Plugin.call($target, option)
210  })
211
212}(jQuery);