| /* ============================================================ | |
| * 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); |