/* ============================================================ * Bootstrap: dropdown.js v3.0.0 * 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)) { 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() { $(toggle).each(function () { getParent($(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-menu', 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);