File indexing completed on 2024-05-12 05:58:29
0001 /* ======================================================================== 0002 * Bootstrap: dropdown.js v3.3.4 0003 * http://getbootstrap.com/javascript/#dropdowns 0004 * ======================================================================== 0005 * Copyright 2011-2015 Twitter, Inc. 0006 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) 0007 * ======================================================================== */ 0008 0009 0010 +function ($) { 0011 'use strict'; 0012 0013 // DROPDOWN CLASS DEFINITION 0014 // ========================= 0015 0016 var backdrop = '.dropdown-backdrop' 0017 var toggle = '[data-toggle="dropdown"]' 0018 var Dropdown = function (element) { 0019 $(element).on('click.bs.dropdown', this.toggle) 0020 } 0021 0022 Dropdown.VERSION = '3.3.4' 0023 0024 function getParent($this) { 0025 var selector = $this.attr('data-target') 0026 0027 if (!selector) { 0028 selector = $this.attr('href') 0029 selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7 0030 } 0031 0032 var $parent = selector && $(selector) 0033 0034 return $parent && $parent.length ? $parent : $this.parent() 0035 } 0036 0037 function clearMenus(e) { 0038 if (e && e.which === 3) return 0039 $(backdrop).remove() 0040 $(toggle).each(function () { 0041 var $this = $(this) 0042 var $parent = getParent($this) 0043 var relatedTarget = { relatedTarget: this } 0044 0045 if (!$parent.hasClass('open')) return 0046 0047 if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return 0048 0049 $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget)) 0050 0051 if (e.isDefaultPrevented()) return 0052 0053 $this.attr('aria-expanded', 'false') 0054 $parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget) 0055 }) 0056 } 0057 0058 Dropdown.prototype.toggle = function (e) { 0059 var $this = $(this) 0060 0061 if ($this.is('.disabled, :disabled')) return 0062 0063 var $parent = getParent($this) 0064 var isActive = $parent.hasClass('open') 0065 0066 clearMenus() 0067 0068 if (!isActive) { 0069 if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) { 0070 // if mobile we use a backdrop because click events don't delegate 0071 $(document.createElement('div')) 0072 .addClass('dropdown-backdrop') 0073 .insertAfter($(this)) 0074 .on('click', clearMenus) 0075 } 0076 0077 var relatedTarget = { relatedTarget: this } 0078 $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget)) 0079 0080 if (e.isDefaultPrevented()) return 0081 0082 $this 0083 .trigger('focus') 0084 .attr('aria-expanded', 'true') 0085 0086 $parent 0087 .toggleClass('open') 0088 .trigger('shown.bs.dropdown', relatedTarget) 0089 } 0090 0091 return false 0092 } 0093 0094 Dropdown.prototype.keydown = function (e) { 0095 if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return 0096 0097 var $this = $(this) 0098 0099 e.preventDefault() 0100 e.stopPropagation() 0101 0102 if ($this.is('.disabled, :disabled')) return 0103 0104 var $parent = getParent($this) 0105 var isActive = $parent.hasClass('open') 0106 0107 if (!isActive && e.which != 27 || isActive && e.which == 27) { 0108 if (e.which == 27) $parent.find(toggle).trigger('focus') 0109 return $this.trigger('click') 0110 } 0111 0112 var desc = ' li:not(.disabled):visible a' 0113 var $items = $parent.find('[role="menu"]' + desc + ', [role="listbox"]' + desc) 0114 0115 if (!$items.length) return 0116 0117 var index = $items.index(e.target) 0118 0119 if (e.which == 38 && index > 0) index-- // up 0120 if (e.which == 40 && index < $items.length - 1) index++ // down 0121 if (!~index) index = 0 0122 0123 $items.eq(index).trigger('focus') 0124 } 0125 0126 0127 // DROPDOWN PLUGIN DEFINITION 0128 // ========================== 0129 0130 function Plugin(option) { 0131 return this.each(function () { 0132 var $this = $(this) 0133 var data = $this.data('bs.dropdown') 0134 0135 if (!data) $this.data('bs.dropdown', (data = new Dropdown(this))) 0136 if (typeof option == 'string') data[option].call($this) 0137 }) 0138 } 0139 0140 var old = $.fn.dropdown 0141 0142 $.fn.dropdown = Plugin 0143 $.fn.dropdown.Constructor = Dropdown 0144 0145 0146 // DROPDOWN NO CONFLICT 0147 // ==================== 0148 0149 $.fn.dropdown.noConflict = function () { 0150 $.fn.dropdown = old 0151 return this 0152 } 0153 0154 0155 // APPLY TO STANDARD DROPDOWN ELEMENTS 0156 // =================================== 0157 0158 $(document) 0159 .on('click.bs.dropdown.data-api', clearMenus) 0160 .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) 0161 .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle) 0162 .on('keydown.bs.dropdown.data-api', toggle, Dropdown.prototype.keydown) 0163 .on('keydown.bs.dropdown.data-api', '.dropdown-menu', Dropdown.prototype.keydown) 0164 0165 }(jQuery);