| /* ============================================================ |
| * bootstrap-dropdown.js v2.3.2 |
| * 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) { |
| if ('ontouchstart' in document.documentElement) { |
| // if mobile we we use a backdrop because click events don't delegate |
| $('<div class="dropdown-backdrop"/>').insertBefore($(this)).on('click', clearMenus) |
| } |
| $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)) { |
| if (e.which == 27) $parent.find(toggle).focus() |
| return $this.click() |
| } |
| |
| $items = $('[role=menu] li:not(.divider):visible 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() { |
| $('.dropdown-backdrop').remove() |
| $(toggle).each(function () { |
| getParent($(this)).removeClass('open') |
| }) |
| } |
| |
| function getParent($this) { |
| var selector = $this.attr('data-target') |
| , $parent |
| |
| if (!selector) { |
| selector = $this.attr('href') |
| selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7 |
| } |
| |
| $parent = selector && $(selector) |
| |
| if (!$parent || !$parent.length) $parent = $this.parent() |
| |
| return $parent |
| } |
| |
| |
| /* DROPDOWN PLUGIN DEFINITION |
| * ========================== */ |
| |
| var old = $.fn.dropdown |
| |
| $.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 |
| |
| |
| /* DROPDOWN NO CONFLICT |
| * ==================== */ |
| |
| $.fn.dropdown.noConflict = function () { |
| $.fn.dropdown = old |
| return this |
| } |
| |
| |
| /* APPLY TO STANDARD DROPDOWN ELEMENTS |
| * =================================== */ |
| |
| $(document) |
| .on('click.dropdown.data-api', clearMenus) |
| .on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) |
| .on('click.dropdown.data-api' , toggle, Dropdown.prototype.toggle) |
| .on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown) |
| |
| }(window.jQuery); |