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

 * 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);