bootstrap-collapse.js

/* =============================================================
 * bootstrap-collapse.js v3.0.0
 * 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 ($) {

  "use strict"; // jshint ;_;


 /* COLLAPSE PUBLIC CLASS DEFINITION
  * ================================ */

  var Collapse = function (element, options) {
    this.$element = $(element)
    this.options = $.extend({}, $.fn.collapse.defaults, options)

    if (this.options.parent) {
      this.$parent = $(this.options.parent)
    }

    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
        , hasData

      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')

      if (actives && actives.length) {
        hasData = actives.data('collapse')
        if (hasData && hasData.transitioning) return
        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])