discourse/vendor/assets/javascripts/bootstrap-dropdown.js

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2013-02-06 03:16:51 +08:00
/* ============================================================
* bootstrap-dropdown.js v2.0.4
* 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)
, $parent
, selector
, isActive
if ($this.is('.disabled, :disabled')) return
selector = $this.attr('data-target')
if (!selector) {
selector = $this.attr('href')
selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
}
$parent = $(selector)
$parent.length || ($parent = $this.parent())
isActive = $parent.hasClass('open')
clearMenus()
if (!isActive) $parent.toggleClass('open')
return false
}
}
function clearMenus() {
$(toggle).parent().removeClass('open')
}
/* DROPDOWN PLUGIN DEFINITION
* ========================== */
$.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
/* APPLY TO STANDARD DROPDOWN ELEMENTS
* =================================== */
$(function () {
$('html').on('click.dropdown.data-api', clearMenus)
$('body')
.on('click.dropdown', '.dropdown form', function (e) { e.stopPropagation() })
.on('click.dropdown.data-api', toggle, Dropdown.prototype.toggle)
})
}(window.jQuery);