/* ========================================================================
 * bootstrap: modal.js v3.2.0
 * http://getbootstrap.com/javascript/#modals
 * ========================================================================
 * copyright 2011-2014 twitter, inc.
 * licensed under mit (https://github.com/twbs/bootstrap/blob/master/license)
 * ======================================================================== */


+function ($) {
  'use strict';

  // modal class definition
  // ======================

  var modal = function (element, options) {
    this.options        = options
    this.$body          = $(document.body)
    this.$element       = $(element)
    this.$backdrop      =
    this.isshown        = null
    this.scrollbarwidth = 0

    if (this.options.remote) {
      this.$element
        .find('.modal-content')
        .load(this.options.remote, $.proxy(function () {
          this.$element.trigger('loaded.bs.modal')
        }, this))
    }
  }

  modal.version  = '3.2.0'

  modal.defaults = {
    backdrop: true,
    keyboard: true,
    show: true
  }

  modal.prototype.toggle = function (_relatedtarget) {
    return this.isshown ? this.hide() : this.show(_relatedtarget)
  }

  modal.prototype.show = function (_relatedtarget) {
    var that = this
    var e    = $.event('show.bs.modal', { relatedtarget: _relatedtarget })

    this.$element.trigger(e)

    if (this.isshown || e.isdefaultprevented()) return

    this.isshown = true

    this.checkscrollbar()
    this.$body.addclass('modal-open')

    this.setscrollbar()
    this.escape()

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

    this.backdrop(function () {
      var transition = $.support.transition && that.$element.hasclass('fade')

      if (!that.$element.parent().length) {
        that.$element.appendto(that.$body) // don't move modals dom position
      }

      that.$element
        .show()
        .scrolltop(0)

      if (transition) {
        that.$element[0].offsetwidth // force reflow
      }

      that.$element
        .addclass('in')
        .attr('aria-hidden', false)

      that.enforcefocus()

      var e = $.event('shown.bs.modal', { relatedtarget: _relatedtarget })

      transition ?
        that.$element.find('.modal-dialog') // wait for modal to slide in
          .one('bstransitionend', function () {
            that.$element.trigger('focus').trigger(e)
          })
          .emulatetransitionend(300) :
        that.$element.trigger('focus').trigger(e)
    })
  }

  modal.prototype.hide = function (e) {
    if (e) e.preventdefault()

    e = $.event('hide.bs.modal')

    this.$element.trigger(e)

    if (!this.isshown || e.isdefaultprevented()) return

    this.isshown = false

    this.$body.removeclass('modal-open')

    this.resetscrollbar()
    this.escape()

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

    this.$element
      .removeclass('in')
      .attr('aria-hidden', true)
      .off('click.dismiss.bs.modal')

    $.support.transition && this.$element.hasclass('fade') ?
      this.$element
        .one('bstransitionend', $.proxy(this.hidemodal, this))
        .emulatetransitionend(300) :
      this.hidemodal()
  }

  modal.prototype.enforcefocus = function () {
    $(document)
      .off('focusin.bs.modal') // guard against infinite focus loop
      .on('focusin.bs.modal', $.proxy(function (e) {
        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
          this.$element.trigger('focus')
        }
      }, this))
  }

  modal.prototype.escape = function () {
    if (this.isshown && this.options.keyboard) {
      this.$element.on('keyup.dismiss.bs.modal', $.proxy(function (e) {
        e.which == 27 && this.hide()
      }, this))
    } else if (!this.isshown) {
      this.$element.off('keyup.dismiss.bs.modal')
    }
  }

  modal.prototype.hidemodal = function () {
    var that = this
    this.$element.hide()
    this.backdrop(function () {
      that.$element.trigger('hidden.bs.modal')
    })
  }

  modal.prototype.removebackdrop = function () {
    this.$backdrop && this.$backdrop.remove()
    this.$backdrop = null
  }

  modal.prototype.backdrop = function (callback) {
    var that = this
    var animate = this.$element.hasclass('fade') ? 'fade' : ''

    if (this.isshown && this.options.backdrop) {
      var doanimate = $.support.transition && animate

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

      this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {
        if (e.target !== e.currenttarget) return
        this.options.backdrop == 'static'
          ? this.$element[0].focus.call(this.$element[0])
          : this.hide.call(this)
      }, this))

      if (doanimate) this.$backdrop[0].offsetwidth // force reflow

      this.$backdrop.addclass('in')

      if (!callback) return

      doanimate ?
        this.$backdrop
          .one('bstransitionend', callback)
          .emulatetransitionend(150) :
        callback()

    } else if (!this.isshown && this.$backdrop) {
      this.$backdrop.removeclass('in')

      var callbackremove = function () {
        that.removebackdrop()
        callback && callback()
      }
      $.support.transition && this.$element.hasclass('fade') ?
        this.$backdrop
          .one('bstransitionend', callbackremove)
          .emulatetransitionend(150) :
        callbackremove()

    } else if (callback) {
      callback()
    }
  }

  modal.prototype.checkscrollbar = function () {
    if (document.body.clientwidth >= window.innerwidth) return
    this.scrollbarwidth = this.scrollbarwidth || this.measurescrollbar()
  }

  modal.prototype.setscrollbar = function () {
    var bodypad = parseint((this.$body.css('padding-right') || 0), 10)
    if (this.scrollbarwidth) this.$body.css('padding-right', bodypad + this.scrollbarwidth)
  }

  modal.prototype.resetscrollbar = function () {
    this.$body.css('padding-right', '')
  }

  modal.prototype.measurescrollbar = function () { // thx walsh
    var scrolldiv = document.createelement('div')
    scrolldiv.classname = 'modal-scrollbar-measure'
    this.$body.append(scrolldiv)
    var scrollbarwidth = scrolldiv.offsetwidth - scrolldiv.clientwidth
    this.$body[0].removechild(scrolldiv)
    return scrollbarwidth
  }


  // modal plugin definition
  // =======================

  function plugin(option, _relatedtarget) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.modal')
      var options = $.extend({}, modal.defaults, $this.data(), typeof option == 'object' && option)

      if (!data) $this.data('bs.modal', (data = new modal(this, options)))
      if (typeof option == 'string') data[option](_relatedtarget)
      else if (options.show) data.show(_relatedtarget)
    })
  }

  var old = $.fn.modal

  $.fn.modal             = plugin
  $.fn.modal.constructor = modal


  // modal no conflict
  // =================

  $.fn.modal.noconflict = function () {
    $.fn.modal = old
    return this
  }


  // modal data-api
  // ==============

  $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
    var $this   = $(this)
    var href    = $this.attr('href')
    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())

    if ($this.is('a')) e.preventdefault()

    $target.one('show.bs.modal', function (showevent) {
      if (showevent.isdefaultprevented()) return // only register focus restorer if modal will actually get shown
      $target.one('hidden.bs.modal', function () {
        $this.is(':visible') && $this.trigger('focus')
      })
    })
    plugin.call($target, option, this)
  })

}(jquery);