/* =========================================================

  * bootstrap-modal.js v2.3.1

  * http://twitter.github.com/bootstrap/javascript.html#modals

  * =========================================================

  * 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 ;_;

  /* MODAL CLASS DEFINITION

   * ====================== */

   var Modal = function (element, options) {

     this.options = options

     this.$element = $(element)

       .delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))

     this.options.remote && this.$element.find('.modal-body').load(this.options.remote)

   }

   Modal.prototype = {

       constructor: Modal

     , toggle: function () {

         return this[!this.isShown ? 'show' : 'hide']()

       }

     , show: function () {

         var that = this

           , e = $.Event('show')

         this.$element.trigger(e)

         if (this.isShown || e.isDefaultPrevented()) return

         this.isShown = true

         this.escape()

         this.backdrop(function () {

           var transition = $.support.transition && that.$element.hasClass('fade')

           if (!that.$element.parent().length) {

             that.$element.appendTo(document.body) //don't move modals dom position

           }

           that.$element.show()

           if (transition) {

             that.$element[0].offsetWidth // force reflow

           }

           that.$element

             .addClass('in')

             .attr('aria-hidden', false)

           that.enforceFocus()

           transition ?

             that.$element.one($.support.transition.end, function () { that.$element.focus().trigger('shown') }) :

             that.$element.focus().trigger('shown')

         })

       }

     , hide: function (e) {

         e && e.preventDefault()

         var that = this

         e = $.Event('hide')

         this.$element.trigger(e)

         if (!this.isShown || e.isDefaultPrevented()) return

         this.isShown = false

         this.escape()

         $(document).off('focusin.modal')

         this.$element

           .removeClass('in')

           .attr('aria-hidden', true)

         $.support.transition && this.$element.hasClass('fade') ?

           this.hideWithTransition() :

           this.hideModal()

       }

     , enforceFocus: function () {

         var that = this

         $(document).on('focusin.modal', function (e) {

           if (that.$element[0] !== e.target && !that.$element.has(e.target).length) {

             that.$element.focus()

           }

         })

       }

     , escape: function () {

         var that = this

         if (this.isShown && this.options.keyboard) {

           this.$element.on('keyup.dismiss.modal', function ( e ) {

             e.which == 27 && that.hide()

           })

         } else if (!this.isShown) {

           this.$element.off('keyup.dismiss.modal')

         }

       }

     , hideWithTransition: function () {

         var that = this

           , timeout = setTimeout(function () {

               that.$element.off($.support.transition.end)

               that.hideModal()

             }, 500)

         this.$element.one($.support.transition.end, function () {

           clearTimeout(timeout)

           that.hideModal()

         })

       }

     , hideModal: function () {

         var that = this

         this.$element.hide()

         this.backdrop(function () {

           that.removeBackdrop()

           that.$element.trigger('hidden')

         })

       }

     , removeBackdrop: function () {

         this.$backdrop && this.$backdrop.remove()

         this.$backdrop = null

       }

     , backdrop: function (callback) {

         var that = this

           , animate = this.$element.hasClass('fade') ? 'fade' : ''

         if (this.isShown && this.options.backdrop) {

           var doAnimate = $.support.transition && animate

           this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')

             .appendTo(document.body)

           this.$backdrop.click(

             this.options.backdrop == 'static' ?

               $.proxy(this.$element[0].focus, this.$element[0])

             : $.proxy(this.hide, this)

           )

           if (doAnimate) this.$backdrop[0].offsetWidth // force reflow

           this.$backdrop.addClass('in')

           if (!callback) return

           doAnimate ?

             this.$backdrop.one($.support.transition.end, callback) :

             callback()

         } else if (!this.isShown && this.$backdrop) {

           this.$backdrop.removeClass('in')

           $.support.transition && this.$element.hasClass('fade')?

             this.$backdrop.one($.support.transition.end, callback) :

             callback()

         } else if (callback) {

           callback()

         }

       }

   }

  /* MODAL PLUGIN DEFINITION

   * ======================= */

   var old = $.fn.modal

   $.fn.modal = function (option) {

     return this.each(function () {

       var $this = $(this)

         , data = $this.data('modal')

         , options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option)

       if (!data) $this.data('modal', (data = new Modal(this, options)))

       if (typeof option == 'string') data[option]()

       else if (options.show) data.show()

     })

   }

   $.fn.modal.defaults = {

       backdrop: true

     , keyboard: true

     , show: true

   }

   $.fn.modal.Constructor = Modal

  /* MODAL NO CONFLICT

   * ================= */

   $.fn.modal.noConflict = function () {

     $.fn.modal = old

     return this

   }

  /* MODAL DATA-API

   * ============== */

   $(document).on('click.modal.data-api', '[data-toggle="modal"]', function (e) {

     var $this = $(this)

       , href = $this.attr('href')

       , $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) //strip for ie7

       , option = $target.data('modal') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data())

     e.preventDefault()

     $target

       .modal(option)

       .one('hide', function () {

         $this.focus()

       })

   })

 }(window.jQuery);