/pack-rat/003_pack_rat/pack-rat/bower_components/bootstrap/js/dropdown.js |
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/* ======================================================================== |
* Bootstrap: dropdown.js v3.3.7 |
* http://getbootstrap.com/javascript/#dropdowns |
* ======================================================================== |
* Copyright 2011-2016 Twitter, Inc. |
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
* ======================================================================== */ |
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+function ($) { |
'use strict'; |
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// DROPDOWN CLASS DEFINITION |
// ========================= |
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var backdrop = '.dropdown-backdrop' |
var toggle = '[data-toggle="dropdown"]' |
var Dropdown = function (element) { |
$(element).on('click.bs.dropdown', this.toggle) |
} |
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Dropdown.VERSION = '3.3.7' |
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function getParent($this) { |
var selector = $this.attr('data-target') |
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if (!selector) { |
selector = $this.attr('href') |
selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7 |
} |
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var $parent = selector && $(selector) |
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return $parent && $parent.length ? $parent : $this.parent() |
} |
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function clearMenus(e) { |
if (e && e.which === 3) return |
$(backdrop).remove() |
$(toggle).each(function () { |
var $this = $(this) |
var $parent = getParent($this) |
var relatedTarget = { relatedTarget: this } |
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if (!$parent.hasClass('open')) return |
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if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return |
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$parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget)) |
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if (e.isDefaultPrevented()) return |
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$this.attr('aria-expanded', 'false') |
$parent.removeClass('open').trigger($.Event('hidden.bs.dropdown', relatedTarget)) |
}) |
} |
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Dropdown.prototype.toggle = function (e) { |
var $this = $(this) |
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if ($this.is('.disabled, :disabled')) return |
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var $parent = getParent($this) |
var isActive = $parent.hasClass('open') |
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clearMenus() |
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if (!isActive) { |
if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) { |
// if mobile we use a backdrop because click events don't delegate |
$(document.createElement('div')) |
.addClass('dropdown-backdrop') |
.insertAfter($(this)) |
.on('click', clearMenus) |
} |
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var relatedTarget = { relatedTarget: this } |
$parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget)) |
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if (e.isDefaultPrevented()) return |
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$this |
.trigger('focus') |
.attr('aria-expanded', 'true') |
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$parent |
.toggleClass('open') |
.trigger($.Event('shown.bs.dropdown', relatedTarget)) |
} |
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return false |
} |
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Dropdown.prototype.keydown = function (e) { |
if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return |
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var $this = $(this) |
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e.preventDefault() |
e.stopPropagation() |
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if ($this.is('.disabled, :disabled')) return |
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var $parent = getParent($this) |
var isActive = $parent.hasClass('open') |
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if (!isActive && e.which != 27 || isActive && e.which == 27) { |
if (e.which == 27) $parent.find(toggle).trigger('focus') |
return $this.trigger('click') |
} |
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var desc = ' li:not(.disabled):visible a' |
var $items = $parent.find('.dropdown-menu' + desc) |
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if (!$items.length) return |
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var index = $items.index(e.target) |
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if (e.which == 38 && index > 0) index-- // up |
if (e.which == 40 && index < $items.length - 1) index++ // down |
if (!~index) index = 0 |
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$items.eq(index).trigger('focus') |
} |
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// DROPDOWN PLUGIN DEFINITION |
// ========================== |
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function Plugin(option) { |
return this.each(function () { |
var $this = $(this) |
var data = $this.data('bs.dropdown') |
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if (!data) $this.data('bs.dropdown', (data = new Dropdown(this))) |
if (typeof option == 'string') data[option].call($this) |
}) |
} |
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var old = $.fn.dropdown |
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$.fn.dropdown = Plugin |
$.fn.dropdown.Constructor = Dropdown |
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// DROPDOWN NO CONFLICT |
// ==================== |
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$.fn.dropdown.noConflict = function () { |
$.fn.dropdown = old |
return this |
} |
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// APPLY TO STANDARD DROPDOWN ELEMENTS |
// =================================== |
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$(document) |
.on('click.bs.dropdown.data-api', clearMenus) |
.on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) |
.on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle) |
.on('keydown.bs.dropdown.data-api', toggle, Dropdown.prototype.keydown) |
.on('keydown.bs.dropdown.data-api', '.dropdown-menu', Dropdown.prototype.keydown) |
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}(jQuery); |