https://cnil.fr/themes/custom/bootstrap_cnil/bootstrap/js/dropdown.js?tjllrb

1/* ========================================================================
2 * Bootstrap: dropdown.js v3.0.2
3 * http://getbootstrap.com/javascript/#dropdowns
4 * ========================================================================
5 * Copyright 2013 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 ($) { "use strict";
22
23  // DROPDOWN CLASS DEFINITION
24  // =========================
25
26  var backdrop = '.dropdown-backdrop'
27  var toggle   = '[data-toggle=dropdown]'
28  var Dropdown = function (element) {
29    var $el = $(element).on('click.bs.dropdown', this.toggle)
30  }
31
32  Dropdown.prototype.toggle = function (e) {
33    var $this = $(this)
34
35    if ($this.is('.disabled, :disabled')) return
36
37    var $parent  = getParent($this)
38    var isActive = $parent.hasClass('open')
39
40    clearMenus()
41
42    if (!isActive) {
43      if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {
44        // if mobile we we use a backdrop because click events don't delegate
45        $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
46      }
47
48      $parent.trigger(e = $.Event('show.bs.dropdown'))
49
50      if (e.isDefaultPrevented()) return
51
52      $parent
53        .toggleClass('open')
54        .trigger('shown.bs.dropdown')
55
56      $this.focus()
57    }
58
59    return false
60  }
61
62  Dropdown.prototype.keydown = function (e) {
63    if (!/(38|40|27)/.test(e.keyCode)) return
64
65    var $this = $(this)
66
67    e.preventDefault()
68    e.stopPropagation()
69
70    if ($this.is('.disabled, :disabled')) return
71
72    var $parent  = getParent($this)
73    var isActive = $parent.hasClass('open')
74
75    if (!isActive || (isActive && e.keyCode == 27)) {
76      if (e.which == 27) $parent.find(toggle).focus()
77      return $this.click()
78    }
79
80    var $items = $('[role=menu] li:not(.divider):visible a', $parent)
81
82    if (!$items.length) return
83
84    var index = $items.index($items.filter(':focus'))
85
86    if (e.keyCode == 38 && index > 0)                 index--                        // up
87    if (e.keyCode == 40 && index < $items.length - 1) index++                        // down
88    if (!~index)                                      index=0
89
90    $items.eq(index).focus()
91  }
92
93  function clearMenus() {
94    $(backdrop).remove()
95    $(toggle).each(function (e) {
96      var $parent = getParent($(this))
97      if (!$parent.hasClass('open')) return
98      $parent.trigger(e = $.Event('hide.bs.dropdown'))
99      if (e.isDefaultPrevented()) return
100      $parent.removeClass('open').trigger('hidden.bs.dropdown')
101    })
102  }
103
104  function getParent($this) {
105    var selector = $this.attr('data-target')
106
107    if (!selector) {
108      selector = $this.attr('href')
109      selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
110    }
111
112    var $parent = selector && $(selector)
113
114    return $parent && $parent.length ? $parent : $this.parent()
115  }
116
117
118  // DROPDOWN PLUGIN DEFINITION
119  // ==========================
120
121  var old = $.fn.dropdown
122
123  $.fn.dropdown = function (option) {
124    return this.each(function () {
125      var $this = $(this)
126      var data  = $this.data('dropdown')
127
128      if (!data) $this.data('dropdown', (data = new Dropdown(this)))
129      if (typeof option == 'string') data[option].call($this)
130    })
131  }
132
133  $.fn.dropdown.Constructor = Dropdown
134
135
136  // DROPDOWN NO CONFLICT
137  // ====================
138
139  $.fn.dropdown.noConflict = function () {
140    $.fn.dropdown = old
141    return this
142  }
143
144
145  // APPLY TO STANDARD DROPDOWN ELEMENTS
146  // ===================================
147
148  $(document)
149    .on('click.bs.dropdown.data-api', clearMenus)
150    .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
151    .on('click.bs.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
152    .on('keydown.bs.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
153
154}(jQuery);