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comparison static/bootstrap/js/bootstrap-dropdown.js @ 61:130eccd396d8

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Now using Boostrap with LESS.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 06 Feb 2013 08:22:31 -0800
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children a5a3d454eac9
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60:8250c977bc50 61:130eccd396d8
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);