https://www.lcarrainsuranceagency.com/js/bootstrap-dropdown.js

1/* ============================================================
2 * bootstrap-dropdown.js v2.2.2
3 * http://twitter.github.com/bootstrap/javascript.html#dropdowns
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 /* DROPDOWN CLASS DEFINITION
27  * ========================= */
28
29  var toggle = '[data-toggle=dropdown]'
30    , Dropdown = function (element) {
31        var $el = $(element).on('click.dropdown.data-api', this.toggle)
32        $('html').on('click.dropdown.data-api', function () {
33          $el.parent().removeClass('open')
34        })
35      }
36
37  Dropdown.prototype = {
38
39    constructor: Dropdown
40
41  , toggle: function (e) {
42      var $this = $(this)
43        , $parent
44        , isActive
45
46      if ($this.is('.disabled, :disabled')) return
47
48      $parent = getParent($this)
49
50      isActive = $parent.hasClass('open')
51
52      clearMenus()
53
54      if (!isActive) {
55        $parent.toggleClass('open')
56      }
57
58      $this.focus()
59
60      return false
61    }
62
63  , keydown: function (e) {
64      var $this
65        , $items
66        , $active
67        , $parent
68        , isActive
69        , index
70
71      if (!/(38|40|27)/.test(e.keyCode)) return
72
73      $this = $(this)
74
75      e.preventDefault()
76      e.stopPropagation()
77
78      if ($this.is('.disabled, :disabled')) return
79
80      $parent = getParent($this)
81
82      isActive = $parent.hasClass('open')
83
84      if (!isActive || (isActive && e.keyCode == 27)) return $this.click()
85
86      $items = $('[role=menu] li:not(.divider):visible a', $parent)
87
88      if (!$items.length) return
89
90      index = $items.index($items.filter(':focus'))
91
92      if (e.keyCode == 38 && index > 0) index--                                        // up
93      if (e.keyCode == 40 && index < $items.length - 1) index++                        // down
94      if (!~index) index = 0
95
96      $items
97        .eq(index)
98        .focus()
99    }
100
101  }
102
103  function clearMenus() {
104    $(toggle).each(function () {
105      getParent($(this)).removeClass('open')
106    })
107  }
108
109  function getParent($this) {
110    var selector = $this.attr('data-target')
111      , $parent
112
113    if (!selector) {
114      selector = $this.attr('href')
115      selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
116    }
117
118    $parent = $(selector)
119    $parent.length || ($parent = $this.parent())
120
121    return $parent
122  }
123
124
125  /* DROPDOWN PLUGIN DEFINITION
126   * ========================== */
127
128  var old = $.fn.dropdown
129
130  $.fn.dropdown = function (option) {
131    return this.each(function () {
132      var $this = $(this)
133        , data = $this.data('dropdown')
134      if (!data) $this.data('dropdown', (data = new Dropdown(this)))
135      if (typeof option == 'string') data[option].call($this)
136    })
137  }
138
139  $.fn.dropdown.Constructor = Dropdown
140
141
142 /* DROPDOWN NO CONFLICT
143  * ==================== */
144
145  $.fn.dropdown.noConflict = function () {
146    $.fn.dropdown = old
147    return this
148  }
149
150
151  /* APPLY TO STANDARD DROPDOWN ELEMENTS
152   * =================================== */
153
154  $(document)
155    .on('click.dropdown.data-api touchstart.dropdown.data-api', clearMenus)
156    .on('click.dropdown touchstart.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
157    .on('touchstart.dropdown.data-api', '.dropdown-menu', function (e) { e.stopPropagation() })
158    .on('click.dropdown.data-api touchstart.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
159    .on('keydown.dropdown.data-api touchstart.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
160
161}(window.jQuery);