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Bootstrap/js/bootstrap-dropdown.js

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/* ============================================================
* bootstrap-dropdown.js v2.0.0
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* http://twitter.github.com/bootstrap/javascript.html#dropdowns
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* ============================================================
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* Copyright 2012 Twitter, Inc.
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*
* 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.
* ============================================================ */
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!function( $ ){
"use strict"
/* DROPDOWN CLASS DEFINITION
* ========================= */
var toggle = '[data-toggle="dropdown"]'
, Dropdown = function ( element ) {
$(element).bind('click', this.toggle)
}
Dropdown.prototype = {
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constructor: Dropdown
, toggle: function ( e ) {
var $this = $(this)
, selector = $this.attr('data-target') || $this.attr('href')
, $parent = $(selector)
, isActive
$parent.length || ($parent = $this.parent())
isActive = $parent.hasClass('open')
clearMenus()
!isActive && $parent.toggleClass('open')
return false
}
}
function clearMenus() {
$(toggle).parent().removeClass('open')
}
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/* DROPDOWN PLUGIN DEFINITION
* ========================== */
$.fn.dropdown = function ( option ) {
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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)
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})
}
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$.fn.dropdown.Constructor = Dropdown
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/* APPLY TO STANDARD DROPDOWN ELEMENTS
* =================================== */
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$(function () {
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$(window).on('click.dropdown.data-api', clearMenus)
$('body').on('click.dropdown.data-api', toggle, Dropdown.prototype.toggle)
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})
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}( window.jQuery )