1/* =========================================================
2 * bootstrap-modal.js v2.3.1
3 * http://twitter.github.com/bootstrap/javascript.html#modals
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 ($) {
22
23  "use strict"; // jshint ;_;
24
25
26 /* MODAL CLASS DEFINITION
27  * ====================== */
28
29  var Modal = function (element, options) {
30    this.options = options
31    this.$element = $(element)
32      .delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))
33    this.options.remote && this.$element.find('.modal-body').load(this.options.remote)
34  }
35
36  Modal.prototype = {
37
38      constructor: Modal
39
40    , toggle: function () {
41        return this[!this.isShown ? 'show' : 'hide']()
42      }
43
44    , show: function () {
45        var that = this
46          , e = $.Event('show')
47
48        this.$element.trigger(e)
49
50        if (this.isShown || e.isDefaultPrevented()) return
51
52        this.isShown = true
53
54        this.escape()
55
56        this.backdrop(function () {
57          var transition = $.support.transition && that.$element.hasClass('fade')
58
59          if (!that.$element.parent().length) {
60            that.$element.appendTo(document.body) //don't move modals dom position
61          }
62
63          that.$element.show()
64
65          if (transition) {
66            that.$element[0].offsetWidth // force reflow
67          }
68
69          that.$element
70            .addClass('in')
71            .attr('aria-hidden', false)
72
73          that.enforceFocus()
74
75          transition ?
76            that.$element.one($.support.transition.end, function () { that.$element.focus().trigger('shown') }) :
77            that.$element.focus().trigger('shown')
78
79        })
80      }
81
82    , hide: function (e) {
83        e && e.preventDefault()
84
85        var that = this
86
87        e = $.Event('hide')
88
89        this.$element.trigger(e)
90
91        if (!this.isShown || e.isDefaultPrevented()) return
92
93        this.isShown = false
94
95        this.escape()
96
97        $(document).off('focusin.modal')
98
99        this.$element
100          .removeClass('in')
101          .attr('aria-hidden', true)
102
103        $.support.transition && this.$element.hasClass('fade') ?
104          this.hideWithTransition() :
105          this.hideModal()
106      }
107
108    , enforceFocus: function () {
109        var that = this
110        $(document).on('focusin.modal', function (e) {
111          if (that.$element[0] !== e.target && !that.$element.has(e.target).length) {
112            that.$element.focus()
113          }
114        })
115      }
116
117    , escape: function () {
118        var that = this
119        if (this.isShown && this.options.keyboard) {
120          this.$element.on('keyup.dismiss.modal', function ( e ) {
121            e.which == 27 && that.hide()
122          })
123        } else if (!this.isShown) {
124          this.$element.off('keyup.dismiss.modal')
125        }
126      }
127
128    , hideWithTransition: function () {
129        var that = this
130          , timeout = setTimeout(function () {
131              that.$element.off($.support.transition.end)
132              that.hideModal()
133            }, 500)
134
135        this.$element.one($.support.transition.end, function () {
136          clearTimeout(timeout)
137          that.hideModal()
138        })
139      }
140
141    , hideModal: function () {
142        var that = this
143        this.$element.hide()
144        this.backdrop(function () {
145          that.removeBackdrop()
146          that.$element.trigger('hidden')
147        })
148      }
149
150    , removeBackdrop: function () {
151        this.$backdrop && this.$backdrop.remove()
152        this.$backdrop = null
153      }
154
155    , backdrop: function (callback) {
156        var that = this
157          , animate = this.$element.hasClass('fade') ? 'fade' : ''
158
159        if (this.isShown && this.options.backdrop) {
160          var doAnimate = $.support.transition && animate
161
162          this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
163            .appendTo(document.body)
164
165          this.$backdrop.click(
166            this.options.backdrop == 'static' ?
167              $.proxy(this.$element[0].focus, this.$element[0])
168            : $.proxy(this.hide, this)
169          )
170
171          if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
172
173          this.$backdrop.addClass('in')
174
175          if (!callback) return
176
177          doAnimate ?
178            this.$backdrop.one($.support.transition.end, callback) :
179            callback()
180
181        } else if (!this.isShown && this.$backdrop) {
182          this.$backdrop.removeClass('in')
183
184          $.support.transition && this.$element.hasClass('fade')?
185            this.$backdrop.one($.support.transition.end, callback) :
186            callback()
187
188        } else if (callback) {
189          callback()
190        }
191      }
192  }
193
194
195 /* MODAL PLUGIN DEFINITION
196  * ======================= */
197
198  var old = $.fn.modal
199
200  $.fn.modal = function (option) {
201    return this.each(function () {
202      var $this = $(this)
203        , data = $this.data('modal')
204        , options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option)
205      if (!data) $this.data('modal', (data = new Modal(this, options)))
206      if (typeof option == 'string') data[option]()
207      else if (options.show) data.show()
208    })
209  }
210
211  $.fn.modal.defaults = {
212      backdrop: true
213    , keyboard: true
214    , show: true
215  }
216
217  $.fn.modal.Constructor = Modal
218
219
220 /* MODAL NO CONFLICT
221  * ================= */
222
223  $.fn.modal.noConflict = function () {
224    $.fn.modal = old
225    return this
226  }
227
228
229 /* MODAL DATA-API
230  * ============== */
231
232  $(document).on('click.modal.data-api', '[data-toggle="modal"]', function (e) {
233    var $this = $(this)
234      , href = $this.attr('href')
235      , $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) //strip for ie7
236      , option = $target.data('modal') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data())
237
238    e.preventDefault()
239
240    $target
241      .modal(option)
242      .one('hide', function () {
243        $this.focus()
244      })
245  })
246
247}(window.jQuery);
248