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mirror of https://github.com/twbs/bootstrap.git synced 2024-12-10 22:24:19 +01:00
Bootstrap/js/collapse.js
2014-01-30 08:30:37 -08:00

171 lines
4.7 KiB
JavaScript

/* ========================================================================
* Bootstrap: collapse.js v3.1.0
* http://getbootstrap.com/javascript/#collapse
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */
+function ($) {
'use strict';
// COLLAPSE PUBLIC CLASS DEFINITION
// ================================
var Collapse = function (element, options) {
this.$element = $(element)
this.options = $.extend({}, Collapse.DEFAULTS, options)
this.transitioning = null
if (this.options.parent) this.$parent = $(this.options.parent)
if (this.options.toggle) this.toggle()
}
Collapse.DEFAULTS = {
toggle: true
}
Collapse.prototype.dimension = function () {
var hasWidth = this.$element.hasClass('width')
return hasWidth ? 'width' : 'height'
}
Collapse.prototype.show = function () {
if (this.transitioning || this.$element.hasClass('in')) return
var startEvent = $.Event('show.bs.collapse')
this.$element.trigger(startEvent)
if (startEvent.isDefaultPrevented()) return
var actives = this.$parent && this.$parent.find('> .panel > .in')
if (actives && actives.length) {
var hasData = actives.data('bs.collapse')
if (hasData && hasData.transitioning) return
actives.collapse('hide')
hasData || actives.data('bs.collapse', null)
}
var dimension = this.dimension()
this.$element
.removeClass('collapse')
.addClass('collapsing')
[dimension](0)
this.transitioning = 1
var complete = function () {
this.$element
.removeClass('collapsing')
.addClass('collapse in')
[dimension]('auto')
this.transitioning = 0
this.$element.trigger('shown.bs.collapse')
}
if (!$.support.transition) return complete.call(this)
var scrollSize = $.camelCase(['scroll', dimension].join('-'))
this.$element
.one($.support.transition.end, $.proxy(complete, this))
.emulateTransitionEnd(350)
[dimension](this.$element[0][scrollSize])
}
Collapse.prototype.hide = function () {
if (this.transitioning || !this.$element.hasClass('in')) return
var startEvent = $.Event('hide.bs.collapse')
this.$element.trigger(startEvent)
if (startEvent.isDefaultPrevented()) return
var dimension = this.dimension()
this.$element
[dimension](this.$element[dimension]())
[0].offsetHeight
this.$element
.addClass('collapsing')
.removeClass('collapse')
.removeClass('in')
this.transitioning = 1
var complete = function () {
this.transitioning = 0
this.$element
.trigger('hidden.bs.collapse')
.removeClass('collapsing')
.addClass('collapse')
}
if (!$.support.transition) return complete.call(this)
this.$element
[dimension](0)
.one($.support.transition.end, $.proxy(complete, this))
.emulateTransitionEnd(350)
}
Collapse.prototype.toggle = function () {
this[this.$element.hasClass('in') ? 'hide' : 'show']()
}
// COLLAPSE PLUGIN DEFINITION
// ==========================
var old = $.fn.collapse
$.fn.collapse = function (option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.collapse')
var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)
if (!data && options.toggle && option == 'show') option = !option
if (!data) $this.data('bs.collapse', (data = new Collapse(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.collapse.Constructor = Collapse
// COLLAPSE NO CONFLICT
// ====================
$.fn.collapse.noConflict = function () {
$.fn.collapse = old
return this
}
// COLLAPSE DATA-API
// =================
$(document).on('click.bs.collapse.data-api', '[data-toggle=collapse]', function (e) {
var $this = $(this), href
var target = $this.attr('data-target')
|| e.preventDefault()
|| (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
var $target = $(target)
var data = $target.data('bs.collapse')
var option = data ? 'toggle' : $this.data()
var parent = $this.attr('data-parent')
var $parent = parent && $(parent)
if (!data || !data.transitioning) {
if ($parent) $parent.find('[data-toggle=collapse][data-parent="' + parent + '"]').not($this).addClass('collapsed')
$this[$target.hasClass('in') ? 'addClass' : 'removeClass']('collapsed')
}
$target.collapse(option)
})
}(jQuery);