bootstrap.js

/* ========================================================================
 * Bootstrap: transition.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#transitions
 * ========================================================================
 * Copyright 2013 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";

  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
  // ============================================================

  function transitionEnd() {
    var el = document.createElement('bootstrap')

    var transEndEventNames = {
      'WebkitTransition' : 'webkitTransitionEnd'
    , 'MozTransition'    : 'transitionend'
    , 'OTransition'      : 'oTransitionEnd otransitionend'
    , 'transition'       : 'transitionend'
    }

    for (var name in transEndEventNames) {
      if (el.style[name] !== undefined) {
        return { end: transEndEventNames[name] }
      }
    }
  }

  $(function () {
    $.support.transition = transitionEnd()
  })

}(window.jQuery);
/* ========================================================================
 * Bootstrap: alert.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#alerts
 * ========================================================================
 * Copyright 2013 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";

  // ALERT CLASS DEFINITION
  // ======================

  var dismiss = '[data-dismiss="alert"]'
  var Alert   = function (el) {
    $(el).on('click', dismiss, this.close)
  }

  Alert.prototype.close = function (e) {
    var $this    = $(this)
    var selector = $this.attr('data-target')

    if (!selector) {
      selector = $this.attr('href')
      selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
    }

    var $parent = $(selector)

    if (e) e.preventDefault()

    if (!$parent.length) {
      $parent = $this.hasClass('alert') ? $this : $this.parent()
    }

    $parent.trigger(e = $.Event('close.bs.alert'))

    if (e.isDefaultPrevented()) return

    $parent.removeClass('in')

    function removeElement() {
      $parent.trigger('closed.bs.alert').remove()
    }

    $.support.transition && $parent.hasClass('fade') ?
      $parent.on($.support.transition.end, removeElement) :
      removeElement()
  }


  // ALERT PLUGIN DEFINITION
  // =======================

  var old = $.fn.alert

  $.fn.alert = function (option) {
    return this.each(function () {
      var $this = $(this)
      var data  = $this.data('bs.alert')

      if (!data) $this.data('bs.alert', (data = new Alert(this)))
      if (typeof option == 'string') data[option].call($this)
    })
  }

  $.fn.alert.Constructor = Alert


  // ALERT NO CONFLICT
  // =================

  $.fn.alert.noConflict = function () {
    $.fn.alert = old
    return this
  }


  // ALERT DATA-API
  // ==============

  $(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close)

}(window.jQuery);
/* ========================================================================
 * Bootstrap: button.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#buttons
 * ========================================================================
 * Copyright 2013 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";

  // BUTTON PUBLIC CLASS DEFINITION
  // ==============================

  var Button = function (element, options) {
    this.$element = $(element)
    this.options  = $.extend({}, Button.DEFAULTS, options)
  }

  Button.DEFAULTS = {
    loadingText: 'loading...'
  }

  Button.prototype.setState = function (state) {
    var d    = 'disabled'
    var $el  = this.$element
    var val  = $el.is('input') ? 'val' : 'html'
    var data = $el.data()

    state = state + 'Text'

    if (!data.resetText) $el.data('resetText', $el[val]())

    $el[val](data[state] || this.options[state])

    // push to event loop to allow forms to submit
    setTimeout(function () {
      state == 'loadingText' ?
        $el.addClass(d).attr(d, d) :
        $el.removeClass(d).removeAttr(d);
    }, 0)
  }

  Button.prototype.toggle = function () {
    var $parent = this.$element.closest('[data-toggle="buttons-radio"]')

    if ($parent) {
      $parent.find('.active').removeClass('active')
    }

    this.$element.toggleClass('active')
  }


  // BUTTON PLUGIN DEFINITION
  // ========================

  var old = $.fn.button

  $.fn.button = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('button')
      var options = typeof option == 'object' && option

      if (!data) $this.data('bs.button', (data = new Button(this, options)))

      if (option == 'toggle') data.toggle()
      else if (option) data.setState(option)
    })
  }

  $.fn.button.Constructor = Button


  // BUTTON NO CONFLICT
  // ==================

  $.fn.button.noConflict = function () {
    $.fn.button = old
    return this
  }


  // BUTTON DATA-API
  // ===============

  $(document).on('click.bs.button.data-api', '[data-toggle^=button]', function (e) {
    var $btn = $(e.target)
    if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')
    $btn.button('toggle')
  })

}(window.jQuery);
/* ========================================================================
 * Bootstrap: carousel.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#carousel
 * ========================================================================
 * 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";

  // CAROUSEL CLASS DEFINITION
  // =========================

  var Carousel = function (element, options) {
    this.$element    = $(element)
    this.$indicators = this.$element.find('.carousel-indicators')
    this.options     = options
    this.paused      =
    this.sliding     =
    this.interval    =
    this.$active     =
    this.$items      = null

    this.options.pause == 'hover' && this.$element
      .on('mouseenter', $.proxy(this.pause, this))
      .on('mouseleave', $.proxy(this.cycle, this))
  }

  Carousel.DEFAULTS = {
    interval: 5000
  , pause: 'hover'
  }

  Carousel.prototype.cycle =  function (e) {
    e || (this.paused = false)

    this.interval && clearInterval(this.interval)

    this.options.interval
      && !this.paused
      && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))

    return this
  }

  Carousel.prototype.getActiveIndex = function () {
    this.$active = this.$element.find('.item.active')
    this.$items  = this.$active.parent().children()

    return this.$items.index(this.$active)
  }

  Carousel.prototype.to = function (pos) {
    var that        = this
    var activeIndex = this.getActiveIndex()

    if (pos > (this.$items.length - 1) || pos < 0) return

    if (this.sliding)       return this.$element.one('slid', function () { that.to(pos) })
    if (activeIndex == pos) return this.pause().cycle()

    return this.slide(pos > activeIndex ? 'next' : 'prev', $(this.$items[pos]))
  }

  Carousel.prototype.pause = function (e) {
    e || (this.paused = true)

    if (this.$element.find('.next, .prev').length && $.support.transition.end) {
      this.$element.trigger($.support.transition.end)
      this.cycle(true)
    }

    this.interval = clearInterval(this.interval)

    return this
  }

  Carousel.prototype.next = function () {
    if (this.sliding) return
    return this.slide('next')
  }

  Carousel.prototype.prev = function () {
    if (this.sliding) return
    return this.slide('prev')
  }

  Carousel.prototype.slide = function (type, next) {
    var $active   = this.$element.find('.item.active')
    var $next     = next || $active[type]()
    var isCycling = this.interval
    var direction = type == 'next' ? 'left' : 'right'
    var fallback  = type == 'next' ? 'first' : 'last'
    var that      = this

    this.sliding = true

    isCycling && this.pause()

    $next = $next.length ? $next : this.$element.find('.item')[fallback]()

    var e = $.Event('slide.bs.carousel', { relatedTarget: $next[0], direction: direction })

    if ($next.hasClass('active')) return

    if (this.$indicators.length) {
      this.$indicators.find('.active').removeClass('active')
      this.$element.one('slid', function () {
        var $nextIndicator = $(that.$indicators.children()[that.getActiveIndex()])
        $nextIndicator && $nextIndicator.addClass('active')
      })
    }

    if ($.support.transition && this.$element.hasClass('slide')) {
      this.$element.trigger(e)
      if (e.isDefaultPrevented()) return
      $next.addClass(type)
      $next[0].offsetWidth // force reflow
      $active.addClass(direction)
      $next.addClass(direction)
      this.$element.one($.support.transition.end, function () {
        $next.removeClass([type, direction].join(' ')).addClass('active')
        $active.removeClass(['active', direction].join(' '))
        that.sliding = false
        setTimeout(function () { that.$element.trigger('slid') }, 0)
      })
    } else {
      this.$element.trigger(e)
      if (e.isDefaultPrevented()) return
      $active.removeClass('active')
      $next.addClass('active')
      this.sliding = false
      this.$element.trigger('slid')
    }

    isCycling && this.cycle()

    return this
  }


  // CAROUSEL PLUGIN DEFINITION
  // ==========================

  var old = $.fn.carousel

  $.fn.carousel = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.carousel')
      var options = $.extend({}, Carousel.DEFAULTS, typeof option == 'object' && option)
      var action  = typeof option == 'string' ? option : options.slide

      if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))
      if (typeof option == 'number') data.to(option)
      else if (action) data[action]()
      else if (options.interval) data.pause().cycle()
    })
  }

  $.fn.carousel.Constructor = Carousel


  // CAROUSEL NO CONFLICT
  // ====================

  $.fn.carousel.noConflict = function () {
    $.fn.carousel = old
    return this
  }


  // CAROUSEL DATA-API
  // =================

  $(document).on('click.bs.carousel.data-api', '[data-slide], [data-slide-to]', function (e) {
    var $this = $(this), href
    var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
    var options = $.extend({}, $target.data(), $this.data())
    var slideIndex

    $target.carousel(options)

    if (slideIndex = $this.attr('data-slide-to')) {
      $target.data('bs-carousel').pause().to(slideIndex).cycle()
    }

    e.preventDefault()
  })

}(window.jQuery);
/* ========================================================================
 * Bootstrap: collapse.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#collapse
 * ========================================================================
 * 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";

  // COLLAPSE PUBLIC CLASS DEFINITION
  // ================================

  var Collapse = function (element, options) {
    this.$element      = $(element)
    this.options       = $.extend({}, Collapse.DEFAULTS, options)
    this.transitioning = null

    if (this.options.parent) this.$parent = $(this.options.parent)
    if (this.options.toggle) this.toggle()
  }

  Collapse.DEFAULTS = {
    toggle: true
  }

  Collapse.prototype.dimension = function () {
    var hasWidth = this.$element.hasClass('width')
    return hasWidth ? 'width' : 'height'
  }

  Collapse.prototype.show = function () {
    if (this.transitioning || this.$element.hasClass('in')) return

    var dimension = this.dimension()
    var scroll    = $.camelCase(['scroll', dimension].join('-'))
    var actives   = this.$parent && this.$parent.find('> .accordion-group > .in')

    if (actives && actives.length) {
      var hasData = actives.data('collapse')
      if (hasData && hasData.transitioning) return
      actives.collapse('hide')
      hasData || actives.data('collapse', null)
    }

    this.$element[dimension](0)
    this.transition('addClass', $.Event('show.bs.collapse'), 'shown.bs.collapse')

    if ($.support.transition) this.$element[dimension](this.$element[0][scroll])
  }

  Collapse.prototype.hide = function () {
    if (this.transitioning || !this.$element.hasClass('in')) return
    var dimension = this.dimension()
    this.reset(this.$element[dimension]())
    this.transition('removeClass', $.Event('hide.bs.collapse'), 'hidden')
    this.$element[dimension](0)
  }

  Collapse.prototype.reset = function (size) {
    var dimension = this.dimension()

    this.$element
      .removeClass('collapse')
      [dimension](size || 'auto')
      [0].offsetWidth

    this.$element[size !== null ? 'addClass' : 'removeClass']('collapse')

    return this
  }

  Collapse.prototype.transition = function (method, startEvent, completeEvent) {
    var that     = this
    var complete = function () {
      if (startEvent.type == 'show') that.reset()
      that.transitioning = 0
      that.$element.trigger(completeEvent)
    }

    this.$element.trigger(startEvent)

    if (startEvent.isDefaultPrevented()) return

    this.transitioning = 1

    this.$element[method]('in')

    $.support.transition && this.$element.hasClass('collapse') ?
      this.$element.one($.support.transition.end, complete) :
      complete()
  }

  Collapse.prototype.toggle = function () {
    this[this.$element.hasClass('in') ? 'hide' : 'show']()
  }


  // COLLAPSE PLUGIN DEFINITION
  // ==========================

  var old = $.fn.collapse

  $.fn.collapse = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('collapse')
      var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)

      if (!data) $this.data('collapse', (data = new Collapse(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.collapse.Constructor = Collapse


  // COLLAPSE NO CONFLICT
  // ====================

  $.fn.collapse.noConflict = function () {
    $.fn.collapse = old
    return this
  }


  // COLLAPSE DATA-API
  // =================

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

    $this[$(target).hasClass('in') ? 'addClass' : 'removeClass']('collapsed')
    $(target).collapse(option)
  })

}(window.jQuery);
/* ========================================================================
 * Bootstrap: dropdown.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#dropdowns
 * ========================================================================
 * 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";

  // DROPDOWN CLASS DEFINITION
  // =========================

  var backdrop = '.dropdown-backdrop'
  var toggle   = '[data-toggle=dropdown]'
  var Dropdown = function (element) {
    var $el = $(element).on('click.bs.dropdown', this.toggle)
  }

  Dropdown.prototype.toggle = function (e) {
    var $this = $(this)

    if ($this.is('.disabled, :disabled')) return

    var $parent  = getParent($this)
    var isActive = $parent.hasClass('open')

    clearMenus()

    if (!isActive) {
      if ('ontouchstart' in document.documentElement) {
        // if mobile we we use a backdrop because click events don't delegate
        $('<div class="dropdown-backdrop"/>').insertBefore($(this)).on('click', clearMenus)
      }

      $parent.trigger(e = $.Event('show.bs.dropdown'))

      if (e.isDefaultPrevented()) return

      $parent
        .toggleClass('open')
        .trigger('shown.bs.dropdown')
    }

    $this.focus()

    return false
  }

  Dropdown.prototype.keydown = function (e) {
    if (!/(38|40|27)/.test(e.keyCode)) return

    var $this = $(this)

    e.preventDefault()
    e.stopPropagation()

    if ($this.is('.disabled, :disabled')) return

    var $parent  = getParent($this)
    var isActive = $parent.hasClass('open')

    if (!isActive || (isActive && e.keyCode == 27)) {
      if (e.which == 27) $parent.find(toggle).focus()
      return $this.click()
    }

    var $items = $('[role=menu] li:not(.divider):visible a', $parent)

    if (!$items.length) return

    var index = $items.index($items.filter(':focus'))

    if (e.keyCode == 38 && index > 0)                 index--                        // up
    if (e.keyCode == 40 && index < $items.length - 1) index++                        // down
    if (!~index)                                      index=0

    $items.eq(index).focus()
  }

  function clearMenus() {
    $(backdrop).remove()
    $(toggle).each(function (e) { 
      var $parent = getParent($(this))
      if (!$parent.hasClass('open')) return
      $parent.trigger(e = $.Event('hide.bs.dropdown'))
      if (e.isDefaultPrevented()) return
      $parent.removeClass('open').trigger('hidden.bs.dropdown')
    })
  }

  function getParent($this) {
    var selector = $this.attr('data-target')

    if (!selector) {
      selector = $this.attr('href')
      selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
    }

    var $parent = selector && $(selector)

    return $parent && $parent.length ? $parent : $this.parent()
  }


  // DROPDOWN PLUGIN DEFINITION
  // ==========================

  var old = $.fn.dropdown

  $.fn.dropdown = function (option) {
    return this.each(function () {
      var $this = $(this)
      var data  = $this.data('dropdown')

      if (!data) $this.data('dropdown', (data = new Dropdown(this)))
      if (typeof option == 'string') data[option].call($this)
    })
  }

  $.fn.dropdown.Constructor = Dropdown


  // DROPDOWN NO CONFLICT
  // ====================

  $.fn.dropdown.noConflict = function () {
    $.fn.dropdown = old
    return this
  }


  // APPLY TO STANDARD DROPDOWN ELEMENTS
  // ===================================


  $(document)
    .on('click.bs.dropdown.data-api', clearMenus)
    .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
    .on('click.bs.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
    .on('keydown.bs.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)

}(window.jQuery);
/* ========================================================================
 * Bootstrap: modal.js v3.0.0
 * 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";

  // MODAL CLASS DEFINITION
  // ======================

  var Modal = function (element, options) {
    this.options   = options
    this.$element  = $(element).delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))
    this.$backdrop =
    this.isShown   = null

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

  Modal.DEFAULTS = {
      backdrop: true
    , keyboard: true
    , show: true
  }

  Modal.prototype.toggle = function () {
    return this[!this.isShown ? 'show' : 'hide']()
  }

  Modal.prototype.show = function () {
    var that = this
    var e    = $.Event('show.bs.modal')

    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.$element.focus().trigger('shown.bs.modal') }) :
        that.$element.focus().trigger('shown.bs.modal')

    })
  }

  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.escape()

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

    this.$element
      .removeClass('in')
      .attr('aria-hidden', true)

    $.support.transition && this.$element.hasClass('fade') ?
      this.hideWithTransition() :
      this.hideModal()
  }

  Modal.prototype.enforceFocus = function () {
    $(document).on('focusin.bs.modal', function (e) {
      if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
        this.$element.focus()
      }
    }, this)
  }

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

  Modal.prototype.hideWithTransition = function () {
    var that    = this
    var timeout = setTimeout(function () {
      that.$element.off($.support.transition.end)
      that.hideModal()
    }, 500)

    this.$element.one($.support.transition.end, function () {
      clearTimeout(timeout)
      that.hideModal()
    })
  }

  Modal.prototype.hideModal = function () {
    var that = this
    this.$element.hide()
    this.backdrop(function () {
      that.removeBackdrop()
      that.$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(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)
      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]()
      else if (options.show) data.show()
    })
  }

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

    e.preventDefault()

    $target
      .modal(option)
      .one('hide', function () {
        $this.focus()
      })
    })

    var $body = $(document.body)
      .on('bs.modal.shown',  '.modal', function () { $body.addClass('modal-open') })
      .on('bs.modal.hidden', '.modal', function () { $body.removeClass('modal-open') })