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Bootstrap/docs/assets/js/bootstrap-collapse.js

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/* =============================================================
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* bootstrap-collapse.js v2.2.3
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* http://twitter.github.com/bootstrap/javascript.html#collapse
* =============================================================
* 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 ($) {
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"use strict"; // jshint ;_;
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/* COLLAPSE PUBLIC CLASS DEFINITION
* ================================ */
var Collapse = function (element, options) {
this.$element = $(element)
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this.options = $.extend({}, $.fn.collapse.defaults, options)
if (this.options.parent) {
this.$parent = $(this.options.parent)
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}
this.options.toggle && this.toggle()
}
Collapse.prototype = {
constructor: Collapse
, dimension: function () {
var hasWidth = this.$element.hasClass('width')
return hasWidth ? 'width' : 'height'
}
, show: function () {
var dimension
, scroll
, actives
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, hasData
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if (this.transitioning || this.$element.hasClass('in')) return
dimension = this.dimension()
scroll = $.camelCase(['scroll', dimension].join('-'))
actives = this.$parent && this.$parent.find('> .accordion-group > .in')
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if (actives && actives.length) {
hasData = actives.data('collapse')
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if (hasData && hasData.transitioning) return
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actives.collapse('hide')
hasData || actives.data('collapse', null)
}
this.$element[dimension](0)
this.transition('addClass', $.Event('show'), 'shown')
$.support.transition && this.$element[dimension](this.$element[0][scroll])
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}
, hide: function () {
var dimension
if (this.transitioning) return
dimension = this.dimension()
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this.reset(this.$element[dimension]())
this.transition('removeClass', $.Event('hide'), 'hidden')
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this.$element[dimension](0)
}
, reset: function (size) {
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var dimension = this.dimension()
this.$element
.removeClass('collapse')
[dimension](size || 'auto')
[0].offsetWidth
this.$element[size !== null ? 'addClass' : 'removeClass']('collapse')
return this
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}
, transition: function (method, startEvent, completeEvent) {
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var that = this
, complete = function () {
if (startEvent.type == 'show') that.reset()
that.transitioning = 0
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that.$element.trigger(completeEvent)
}
this.$element.trigger(startEvent)
if (startEvent.isDefaultPrevented()) return
this.transitioning = 1
this.$element[method]('in')
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$.support.transition && this.$element.hasClass('collapse') ?
this.$element.one($.support.transition.end, complete) :
complete()
}
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, toggle: function () {
this[this.$element.hasClass('in') ? 'hide' : 'show']()
}
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}
/* COLLAPSE PLUGIN DEFINITION
* ========================== */
var old = $.fn.collapse
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$.fn.collapse = function (option) {
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return this.each(function () {
var $this = $(this)
, data = $this.data('collapse')
, options = typeof option == 'object' && option
if (!data) $this.data('collapse', (data = new Collapse(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.collapse.defaults = {
toggle: true
}
$.fn.collapse.Constructor = Collapse
/* COLLAPSE NO CONFLICT
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* ==================== */
$.fn.collapse.noConflict = function () {
$.fn.collapse = old
return this
}
/* COLLAPSE DATA-API
* ================= */
$(document).on('click.collapse.data-api', '[data-toggle=collapse]', function (e) {
var $this = $(this), href
, target = $this.attr('data-target')
|| e.preventDefault()
|| (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
, option = $(target).data('collapse') ? 'toggle' : $this.data()
$this[$(target).hasClass('in') ? 'addClass' : 'removeClass']('collapsed')
$(target).collapse(option)
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})
}(window.jQuery);