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

  * Bootstrap: button.js v3.0.3

  * http://getbootstrap.com/javascript/#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"]')

     var changed = true

     if ($parent.length) {

       var $input = this.$element.find('input')

       if ($input.prop('type') === 'radio') {

         // see if clicking on current one

         if ($input.prop('checked') && this.$element.hasClass('active'))

           changed = false

         else

           $parent.find('.active').removeClass('active')

       }

       if (changed) $input.prop('checked', !this.$element.hasClass('active')).trigger('change')

     }

     if (changed) 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('bs.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')

     e.preventDefault()

   })

 }(jQuery);