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| 1 /* ======================================================================== |
| 2 * Bootstrap: dropdown.js v3.2.0 |
| 3 * http://getbootstrap.com/javascript/#dropdowns |
| 4 * ======================================================================== |
| 5 * Copyright 2011-2014 Twitter, Inc. |
| 6 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
| 7 * ======================================================================== */ |
| 8 |
| 9 |
| 10 +function ($) { |
| 11 'use strict'; |
| 12 |
| 13 // DROPDOWN CLASS DEFINITION |
| 14 // ========================= |
| 15 |
| 16 var backdrop = '.dropdown-backdrop' |
| 17 var toggle = '[data-toggle="dropdown"]' |
| 18 var Dropdown = function (element) { |
| 19 $(element).on('click.bs.dropdown', this.toggle) |
| 20 } |
| 21 |
| 22 Dropdown.VERSION = '3.2.0' |
| 23 |
| 24 Dropdown.prototype.toggle = function (e) { |
| 25 var $this = $(this) |
| 26 |
| 27 if ($this.is('.disabled, :disabled')) return |
| 28 |
| 29 var $parent = getParent($this) |
| 30 var isActive = $parent.hasClass('open') |
| 31 |
| 32 clearMenus() |
| 33 |
| 34 if (!isActive) { |
| 35 if ('ontouchstart' in document.documentElement && !$parent.closest('.navba
r-nav').length) { |
| 36 // if mobile we use a backdrop because click events don't delegate |
| 37 $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', c
learMenus) |
| 38 } |
| 39 |
| 40 var relatedTarget = { relatedTarget: this } |
| 41 $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget)) |
| 42 |
| 43 if (e.isDefaultPrevented()) return |
| 44 |
| 45 $this.trigger('focus') |
| 46 |
| 47 $parent |
| 48 .toggleClass('open') |
| 49 .trigger('shown.bs.dropdown', relatedTarget) |
| 50 } |
| 51 |
| 52 return false |
| 53 } |
| 54 |
| 55 Dropdown.prototype.keydown = function (e) { |
| 56 if (!/(38|40|27)/.test(e.keyCode)) return |
| 57 |
| 58 var $this = $(this) |
| 59 |
| 60 e.preventDefault() |
| 61 e.stopPropagation() |
| 62 |
| 63 if ($this.is('.disabled, :disabled')) return |
| 64 |
| 65 var $parent = getParent($this) |
| 66 var isActive = $parent.hasClass('open') |
| 67 |
| 68 if (!isActive || (isActive && e.keyCode == 27)) { |
| 69 if (e.which == 27) $parent.find(toggle).trigger('focus') |
| 70 return $this.trigger('click') |
| 71 } |
| 72 |
| 73 var desc = ' li:not(.divider):visible a' |
| 74 var $items = $parent.find('[role="menu"]' + desc + ', [role="listbox"]' + de
sc) |
| 75 |
| 76 if (!$items.length) return |
| 77 |
| 78 var index = $items.index($items.filter(':focus')) |
| 79 |
| 80 if (e.keyCode == 38 && index > 0) index--
// up |
| 81 if (e.keyCode == 40 && index < $items.length - 1) index++
// down |
| 82 if (!~index) index = 0 |
| 83 |
| 84 $items.eq(index).trigger('focus') |
| 85 } |
| 86 |
| 87 function clearMenus(e) { |
| 88 if (e && e.which === 3) return |
| 89 $(backdrop).remove() |
| 90 $(toggle).each(function () { |
| 91 var $parent = getParent($(this)) |
| 92 var relatedTarget = { relatedTarget: this } |
| 93 if (!$parent.hasClass('open')) return |
| 94 $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget)) |
| 95 if (e.isDefaultPrevented()) return |
| 96 $parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget) |
| 97 }) |
| 98 } |
| 99 |
| 100 function getParent($this) { |
| 101 var selector = $this.attr('data-target') |
| 102 |
| 103 if (!selector) { |
| 104 selector = $this.attr('href') |
| 105 selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(
?=#[^\s]*$)/, '') // strip for ie7 |
| 106 } |
| 107 |
| 108 var $parent = selector && $(selector) |
| 109 |
| 110 return $parent && $parent.length ? $parent : $this.parent() |
| 111 } |
| 112 |
| 113 |
| 114 // DROPDOWN PLUGIN DEFINITION |
| 115 // ========================== |
| 116 |
| 117 function Plugin(option) { |
| 118 return this.each(function () { |
| 119 var $this = $(this) |
| 120 var data = $this.data('bs.dropdown') |
| 121 |
| 122 if (!data) $this.data('bs.dropdown', (data = new Dropdown(this))) |
| 123 if (typeof option == 'string') data[option].call($this) |
| 124 }) |
| 125 } |
| 126 |
| 127 var old = $.fn.dropdown |
| 128 |
| 129 $.fn.dropdown = Plugin |
| 130 $.fn.dropdown.Constructor = Dropdown |
| 131 |
| 132 |
| 133 // DROPDOWN NO CONFLICT |
| 134 // ==================== |
| 135 |
| 136 $.fn.dropdown.noConflict = function () { |
| 137 $.fn.dropdown = old |
| 138 return this |
| 139 } |
| 140 |
| 141 |
| 142 // APPLY TO STANDARD DROPDOWN ELEMENTS |
| 143 // =================================== |
| 144 |
| 145 $(document) |
| 146 .on('click.bs.dropdown.data-api', clearMenus) |
| 147 .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPro
pagation() }) |
| 148 .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle) |
| 149 .on('keydown.bs.dropdown.data-api', toggle + ', [role="menu"], [role="listbo
x"]', Dropdown.prototype.keydown) |
| 150 |
| 151 }(jQuery); |
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