https://www.saaten-zeller.de/templates/protostar/js/bootstrap-carousel.js

1/* ==========================================================
2 * bootstrap-carousel.js v2.0.0
3 * http://twitter.github.com/bootstrap/javascript.html#carousel
4 * ==========================================================
5 * Copyright 2012 Twitter, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================================================== */
19
20
21!function( $ ){
22
23  "use strict"
24
25 /* CAROUSEL CLASS DEFINITION
26  * ========================= */
27
28  var Carousel = function (element, options) {
29    this.$element = $(element)
30    this.options = $.extend({}, $.fn.carousel.defaults, options)
31    this.options.slide && this.slide(this.options.slide)
32  }
33
34  Carousel.prototype = {
35
36    cycle: function () {
37      this.interval = setInterval($.proxy(this.next, this), this.options.interval)
38      return this
39    }
40
41  , to: function (pos) {
42      var $active = this.$element.find('.active')
43        , children = $active.parent().children()
44        , activePos = children.index($active)
45        , that = this
46
47      if (pos > (children.length - 1) || pos < 0) return
48
49      if (this.sliding) {
50        return this.$element.one('slid', function () {
51          that.to(pos)
52        })
53      }
54
55      if (activePos == pos) {
56        return this.pause().cycle()
57      }
58
59      return this.slide(pos > activePos ? 'next' : 'prev', $(children[pos]))
60    }
61
62  , pause: function () {
63      clearInterval(this.interval)
64      return this
65    }
66
67  , next: function () {
68      if (this.sliding) return
69      return this.slide('next')
70    }
71
72  , prev: function () {
73      if (this.sliding) return
74      return this.slide('prev')
75    }
76
77  , slide: function (type, next) {
78      var $active = this.$element.find('.active')
79        , $next = next || $active[type]()
80        , isCycling = this.interval
81        , direction = type == 'next' ? 'left' : 'right'
82        , fallback  = type == 'next' ? 'first' : 'last'
83        , that = this
84
85      this.sliding = true
86
87      isCycling && this.pause()
88
89      $next = $next.length ? $next : this.$element.find('.item')[fallback]()
90
91      if (!$.support.transition && this.$element.hasClass('slide')) {
92        this.$element.trigger('slide')
93        $active.removeClass('active')
94        $next.addClass('active')
95        this.sliding = false
96        this.$element.trigger('slid')
97      } else {
98        $next.addClass(type)
99        $next[0].offsetWidth // force reflow
100        $active.addClass(direction)
101        $next.addClass(direction)
102        this.$element.trigger('slide')
103        this.$element.one($.support.transition.end, function () {
104          $next.removeClass([type, direction].join(' ')).addClass('active')
105          $active.removeClass(['active', direction].join(' '))
106          that.sliding = false
107          setTimeout(function () { that.$element.trigger('slid') }, 0)
108        })
109      }
110
111      isCycling && this.cycle()
112
113      return this
114    }
115
116  }
117
118
119 /* CAROUSEL PLUGIN DEFINITION
120  * ========================== */
121
122  $.fn.carousel = function ( option ) {
123    return this.each(function () {
124      var $this = $(this)
125        , data = $this.data('carousel')
126        , options = typeof option == 'object' && option
127      if (!data) $this.data('carousel', (data = new Carousel(this, options)))
128      if (typeof option == 'number') data.to(option)
129      else if (typeof option == 'string' || (option = options.slide)) data[option]()
130      else data.cycle()
131    })
132  }
133
134  $.fn.carousel.defaults = {
135    interval: 5000
136  }
137
138  $.fn.carousel.Constructor = Carousel
139
140
141 /* CAROUSEL DATA-API
142  * ================= */
143
144  $(function () {

145    $('body').on('click.carousel.data-api', '[data-slide]', function ( e ) {
146      var $this = $(this), href
147        , $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
148        , options = !$target.data('modal') && $.extend({}, $target.data(), $this.data())
149      $target.carousel(options)
150      e.preventDefault()
151    })
152  })
153
154}( window.jQuery )