1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /* ============================================================ * bootstrap-dropdown.js v2.1.0 * http://twitter.github.com/bootstrap/javascript.html#dropdowns * ============================================================ * Copyright 2012 Twitter, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ============================================================ */ !function ($) { "use strict"; // jshint ;_; /* DROPDOWN CLASS DEFINITION * ========================= */ var toggle = '[data-toggle=dropdown]' , Dropdown = function (element) { var $el = $(element).on('click.dropdown.data-api', this.toggle) $('html').on('click.dropdown.data-api', function () { $el.parent().removeClass('open') }) } Dropdown.prototype = { constructor: Dropdown , toggle: function (e) { var $this = $(this) , $parent , isActive if ($this.is('.disabled, :disabled')) return $parent = getParent($this) isActive = $parent.hasClass('open') clearMenus() if (!isActive) { $parent.toggleClass('open') $this.focus() } return false } , keydown: function (e) { var $this , $items , $active , $parent , isActive , index if (!/(38|40|27)/.test(e.keyCode)) return $this = $(this) e.preventDefault() e.stopPropagation() if ($this.is('.disabled, :disabled')) return $parent = getParent($this) isActive = $parent.hasClass('open') if (!isActive || (isActive && e.keyCode == 27)) return $this.click() $items = $('[role=menu] li:not(.divider) a', $parent) if (!$items.length) return index = $items.index($items.filter(':focus')) if (e.keyCode == 38 && index > 0) index-- // up if (e.keyCode == 40 && index < $items.length - 1) index++ // down if (!~index) index = 0 $items .eq(index) .focus() } } function clearMenus() { getParent($(toggle)) .removeClass('open') } function getParent($this) { var selector = $this.attr('data-target') , $parent if (!selector) { selector = $this.attr('href') selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7 } $parent = $(selector) $parent.length || ($parent = $this.parent()) return $parent } /* DROPDOWN PLUGIN DEFINITION * ========================== */ $.fn.dropdown = function (option) { return this.each(function () { var $this = $(this) , data = $this.data('dropdown') if (!data) $this.data('dropdown', (data = new Dropdown(this))) if (typeof option == 'string') data[option].call($this) }) } $.fn.dropdown.Constructor = Dropdown /* APPLY TO STANDARD DROPDOWN ELEMENTS * =================================== */ $(function () { $('html') .on('click.dropdown.data-api touchstart.dropdown.data-api', clearMenus) $('body') .on('click.dropdown touchstart.dropdown.data-api', '.dropdown', function (e) { e.stopPropagation() }) .on('click.dropdown.data-api touchstart.dropdown.data-api' , toggle, Dropdown.prototype.toggle) .on('keydown.dropdown.data-api touchstart.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown) }) }(window.jQuery); |