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| 1 | +/* ============================================================ |
| 2 | + * bootstrap-dropdown.js v2.3.1 |
| 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)) { |
| 85 | + if (e.which == 27) $parent.find(toggle).focus() |
| 86 | + return $this.click() |
| 87 | + } |
| 88 | + |
| 89 | + $items = $('[role=menu] li:not(.divider):visible a', $parent) |
| 90 | + |
| 91 | + if (!$items.length) return |
| 92 | + |
| 93 | + index = $items.index($items.filter(':focus')) |
| 94 | + |
| 95 | + if (e.keyCode == 38 && index > 0) index-- // up |
| 96 | + if (e.keyCode == 40 && index < $items.length - 1) index++ // down |
| 97 | + if (!~index) index = 0 |
| 98 | + |
| 99 | + $items |
| 100 | + .eq(index) |
| 101 | + .focus() |
| 102 | + } |
| 103 | + |
| 104 | + } |
| 105 | + |
| 106 | + function clearMenus() { |
| 107 | + $(toggle).each(function () { |
| 108 | + getParent($(this)).removeClass('open') |
| 109 | + }) |
| 110 | + } |
| 111 | + |
| 112 | + function getParent($this) { |
| 113 | + var selector = $this.attr('data-target') |
| 114 | + , $parent |
| 115 | + |
| 116 | + if (!selector) { |
| 117 | + selector = $this.attr('href') |
| 118 | + selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7 |
| 119 | + } |
| 120 | + |
| 121 | + $parent = selector && $(selector) |
| 122 | + |
| 123 | + if (!$parent || !$parent.length) $parent = $this.parent() |
| 124 | + |
| 125 | + return $parent |
| 126 | + } |
| 127 | + |
| 128 | + |
| 129 | + /* DROPDOWN PLUGIN DEFINITION |
| 130 | + * ========================== */ |
| 131 | + |
| 132 | + var old = $.fn.dropdown |
| 133 | + |
| 134 | + $.fn.dropdown = function (option) { |
| 135 | + return this.each(function () { |
| 136 | + var $this = $(this) |
| 137 | + , data = $this.data('dropdown') |
| 138 | + if (!data) $this.data('dropdown', (data = new Dropdown(this))) |
| 139 | + if (typeof option == 'string') data[option].call($this) |
| 140 | + }) |
| 141 | + } |
| 142 | + |
| 143 | + $.fn.dropdown.Constructor = Dropdown |
| 144 | + |
| 145 | + |
| 146 | + /* DROPDOWN NO CONFLICT |
| 147 | + * ==================== */ |
| 148 | + |
| 149 | + $.fn.dropdown.noConflict = function () { |
| 150 | + $.fn.dropdown = old |
| 151 | + return this |
| 152 | + } |
| 153 | + |
| 154 | + |
| 155 | + /* APPLY TO STANDARD DROPDOWN ELEMENTS |
| 156 | + * =================================== */ |
| 157 | + |
| 158 | + $(document) |
| 159 | + .on('click.dropdown.data-api', clearMenus) |
| 160 | + .on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) |
| 161 | + .on('click.dropdown-menu', function (e) { e.stopPropagation() }) |
| 162 | + .on('click.dropdown.data-api' , toggle, Dropdown.prototype.toggle) |
| 163 | + .on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown) |
| 164 | + |
| 165 | +}(window.jQuery); |
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