/*!
Chosen, a Select Box Enhancer for jQuery and Prototype
by Patrick Filler for Harvest, http://getharvest.com

Version 1.3.0
Full source at https://github.com/harvesthq/chosen
Copyright ( c ) 2011-2014 Harvest http://getharvest.com

MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
This file is generated by `grunt build`, do not edit it by hand.
*/

( function() {
  var $, AbstractChosen, Chosen, SelectParser, _ref,
    __hasProp = {}.hasOwnProperty,
    __extends = function( child, parent ) { for ( var key in parent ) { if ( __hasProp.call( parent, key ) ) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

  SelectParser = ( function() {
    function SelectParser() {
      this.options_index = 0;
      this.parsed = [];
    }

    SelectParser.prototype.add_node = function( child ) {
      if ( child.nodeName.toUpperCase() === "OPTGROUP" ) {
        return this.add_group( child );
      } else {
        return this.add_option( child );
      }
    };

    SelectParser.prototype.add_group = function( group ) {
      var group_position, option, _i, _len, _ref, _results;
      group_position = this.parsed.length;
      this.parsed.push( {
        array_index: group_position,
        group: true,
        label: this.escapeExpression( group.label ),
        children: 0,
        disabled: group.disabled,
        classes: group.className
      } );
      _ref = group.childNodes;
      _results = [];
      for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
        option = _ref[_i];
        _results.push( this.add_option( option, group_position, group.disabled ) );
      }
      return _results;
    };

    SelectParser.prototype.add_option = function( option, group_position, group_disabled ) {
      if ( option.nodeName.toUpperCase() === "OPTION" ) {
        if ( option.text !== "" ) {
          if ( group_position != null ) {
            this.parsed[group_position].children += 1;
          }
          this.parsed.push( {
            array_index: this.parsed.length,
            options_index: this.options_index,
            value: option.value,
            text: option.text,
            html: option.innerHTML,
            selected: option.selected,
            disabled: group_disabled === true ? group_disabled : option.disabled,
            group_array_index: group_position,
            classes: option.className,
            style: option.style.cssText
          } );
        } else {
          this.parsed.push( {
            array_index: this.parsed.length,
            options_index: this.options_index,
            empty: true
          } );
        }
        return this.options_index += 1;
      }
    };

    SelectParser.prototype.escapeExpression = function( text ) {
      var map, unsafe_chars;
      if ( ( text == null ) || text === false ) {
        return "";
      }
      if ( !/[\&\<\>\"\'\`]/.test( text ) ) {
        return text;
      }
      map = {
        "<": "&lt;",
        ">": "&gt;",
        '"': "&quot;",
        "'": "&#x27;",
        "`": "&#x60;"
      };
      unsafe_chars = /&( ?!\w+; )|[\<\>\"\'\`]/g;
      return text.replace( unsafe_chars, function( chr ) {
        return map[chr] || "&amp;";
      } );
    };

    return SelectParser;

  } )();

  SelectParser.select_to_array = function( select ) {
    var child, parser, _i, _len, _ref;
    parser = new SelectParser();
    _ref = select.childNodes;
    for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
      child = _ref[_i];
      parser.add_node( child );
    }
    return parser.parsed;
  };

  AbstractChosen = ( function() {
    function AbstractChosen( form_field, options ) {
      this.form_field = form_field;
      this.options = options != null ? options : {};
      if ( !AbstractChosen.browser_is_supported() ) {
        return;
      }
      this.is_multiple = this.form_field.multiple;
      this.set_default_text();
      this.set_default_values();
      this.setup();
      this.set_up_html();
      this.register_observers();
      this.on_ready();
    }

    AbstractChosen.prototype.set_default_values = function() {
      var _this = this;
      this.click_test_action = function( evt ) {
        return _this.test_active_click( evt );
      };
      this.activate_action = function( evt ) {
        return _this.activate_field( evt );
      };
      this.active_field = false;
      this.mouse_on_container = false;
      this.results_showing = false;
      this.result_highlighted = null;
      this.allow_single_deselect = ( this.options.allow_single_deselect != null ) && ( this.form_field.options[0] != null ) && this.form_field.options[0].text === "" ? this.options.allow_single_deselect : false;
      this.disable_search_threshold = this.options.disable_search_threshold || 0;
      this.disable_search = this.options.disable_search || false;
      this.enable_split_word_search = this.options.enable_split_word_search != null ? this.options.enable_split_word_search : true;
      this.group_search = this.options.group_search != null ? this.options.group_search : true;
      this.search_contains = this.options.search_contains || false;
      this.single_backstroke_delete = this.options.single_backstroke_delete != null ? this.options.single_backstroke_delete : true;
      this.max_selected_options = this.options.max_selected_options || Infinity;
      this.inherit_select_classes = this.options.inherit_select_classes || false;
      this.display_selected_options = this.options.display_selected_options != null ? this.options.display_selected_options : true;
      return this.display_disabled_options = this.options.display_disabled_options != null ? this.options.display_disabled_options : true;
    };

    AbstractChosen.prototype.set_default_text = function() {
      if ( this.form_field.getAttribute( "data-placeholder" ) ) {
        this.default_text = this.form_field.getAttribute( "data-placeholder" );
      } else if ( this.is_multiple ) {
        this.default_text = this.options.placeholder_text_multiple || this.options.placeholder_text || AbstractChosen.default_multiple_text;
      } else {
        this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text;
      }
      return this.results_none_found = this.form_field.getAttribute( "data-no_results_text" ) || this.options.no_results_text || AbstractChosen.default_no_result_text;
    };

    AbstractChosen.prototype.mouse_enter = function() {
      return this.mouse_on_container = true;
    };

    AbstractChosen.prototype.mouse_leave = function() {
      return this.mouse_on_container = false;
    };

    AbstractChosen.prototype.input_focus = function( evt ) {
      var _this = this;
      if ( this.is_multiple ) {
        if ( !this.active_field ) {
          return setTimeout( ( function() {
            return _this.container_mousedown();
          } ), 50 );
        }
      } else {
        if ( !this.active_field ) {
          return this.activate_field();
        }
      }
    };

    AbstractChosen.prototype.input_blur = function( evt ) {
      var _this = this;
      if ( !this.mouse_on_container ) {
        this.active_field = false;
        return setTimeout( ( function() {
          return _this.blur_test();
        } ), 100 );
      }
    };

    AbstractChosen.prototype.results_option_build = function( options ) {
      var content, data, _i, _len, _ref;
      content = '';
      _ref = this.results_data;
      for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
        data = _ref[_i];
        if ( data.group ) {
          content += this.result_add_group( data );
        } else {
          content += this.result_add_option( data );
        }
        if ( options != null ? options.first : void 0 ) {
          if ( data.selected && this.is_multiple ) {
            this.choice_build( data );
          } else if ( data.selected && !this.is_multiple ) {
            this.single_set_selected_text( data.text );
          }
        }
      }
      return content;
    };

    AbstractChosen.prototype.result_add_option = function( option ) {
      var classes, option_el;
      if ( !option.search_match ) {
        return '';
      }
      if ( !this.include_option_in_results( option ) ) {
        return '';
      }
      classes = [];
      if ( !option.disabled && !( option.selected && this.is_multiple ) ) {
        classes.push( "active-result" );
      }
      if ( option.disabled && !( option.selected && this.is_multiple ) ) {
        classes.push( "disabled-result" );
      }
      if ( option.selected ) {
        classes.push( "result-selected" );
      }
      if ( option.group_array_index != null ) {
        classes.push( "group-option" );
      }
      if ( option.classes !== "" ) {
        classes.push( option.classes );
      }
      option_el = document.createElement( "li" );
      option_el.className = classes.join( " " );
      option_el.style.cssText = option.style;
      option_el.setAttribute( "data-option-array-index", option.array_index );
      option_el.innerHTML = option.search_text;
      return this.outerHTML( option_el );
    };

    AbstractChosen.prototype.result_add_group = function( group ) {
      var classes, group_el;
      if ( !( group.search_match || group.group_match ) ) {
        return '';
      }
      if ( !( group.active_options > 0 ) ) {
        return '';
      }
      classes = [];
      classes.push( "group-result" );
      if ( group.classes ) {
        classes.push( group.classes );
      }
      group_el = document.createElement( "li" );
      group_el.className = classes.join( " " );
      group_el.innerHTML = group.search_text;
      return this.outerHTML( group_el );
    };

    AbstractChosen.prototype.results_update_field = function() {
      this.set_default_text();
      if ( !this.is_multiple ) {
        this.results_reset_cleanup();
      }
      this.result_clear_highlight();
      this.results_build();
      if ( this.results_showing ) {
        return this.winnow_results();
      }
    };

    AbstractChosen.prototype.reset_single_select_options = function() {
      var result, _i, _len, _ref, _results;
      _ref = this.results_data;
      _results = [];
      for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
        result = _ref[_i];
        if ( result.selected ) {
          _results.push( result.selected = false );
        } else {
          _results.push( void 0 );
        }
      }
      return _results;
    };

    AbstractChosen.prototype.results_toggle = function() {
      if ( this.results_showing ) {
        return this.results_hide();
      } else {
        return this.results_show();
      }
    };

    AbstractChosen.prototype.results_search = function( evt ) {
      if ( this.results_showing ) {
        return this.winnow_results();
      } else {
        return this.results_show();
      }
    };

    AbstractChosen.prototype.winnow_results = function() {
      var escapedSearchText, option, regex, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref;
      this.no_results_clear();
      results = 0;
      searchText = this.get_search_text();
      escapedSearchText = searchText.replace( /[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&" );
      zregex = new RegExp( escapedSearchText, 'i' );
      regex = this.get_search_regex( escapedSearchText );
      _ref = this.results_data;
      for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
        option = _ref[_i];
        option.search_match = false;
        results_group = null;
        if ( this.include_option_in_results( option ) ) {
          if ( option.group ) {
            option.group_match = false;
            option.active_options = 0;
          }
          if ( ( option.group_array_index != null ) && this.results_data[option.group_array_index] ) {
            results_group = this.results_data[option.group_array_index];
            if ( results_group.active_options === 0 && results_group.search_match ) {
              results += 1;
            }
            results_group.active_options += 1;
          }
          if ( !( option.group && !this.group_search ) ) {
            option.search_text = option.group ? option.label : option.text;
            option.search_match = this.search_string_match( option.search_text, regex );
            if ( option.search_match && !option.group ) {
              results += 1;
            }
            if ( option.search_match ) {
              if ( searchText.length ) {
                startpos = option.search_text.search( zregex );
                text = option.search_text.substr( 0, startpos + searchText.length ) + '</em>' + option.search_text.substr( startpos + searchText.length );
                option.search_text = text.substr( 0, startpos ) + '<em>' + text.substr( startpos );
              }
              if ( results_group != null ) {
                results_group.group_match = true;
              }
            } else if ( ( option.group_array_index != null ) && this.results_data[option.group_array_index].search_match ) {
              option.search_match = true;
            }
          }
        }
      }
      this.result_clear_highlight();
      if ( results < 1 && searchText.length ) {
        this.update_results_content( "" );
        return this.no_results( searchText );
      } else {
        this.update_results_content( this.results_option_build() );
        return this.winnow_results_set_highlight();
      }
    };

    AbstractChosen.prototype.get_search_regex = function( escaped_search_string ) {
      var regex_anchor;
      regex_anchor = this.search_contains ? "" : "^";
      return new RegExp( regex_anchor + escaped_search_string, 'i' );
    };

    AbstractChosen.prototype.search_string_match = function( search_string, regex ) {
      var part, parts, _i, _len;
      if ( regex.test( search_string ) ) {
        return true;
      } else if ( this.enable_split_word_search && ( search_string.indexOf( " " ) >= 0 || search_string.indexOf( "[" ) === 0 ) ) {
        parts = search_string.replace( /\[|\]/g, "" ).split( " " );
        if ( parts.length ) {
          for ( _i = 0, _len = parts.length; _i < _len; _i++ ) {
            part = parts[_i];
            if ( regex.test( part ) ) {
              return true;
            }
          }
        }
      }
    };

    AbstractChosen.prototype.choices_count = function() {
      var option, _i, _len, _ref;
      if ( this.selected_option_count != null ) {
        return this.selected_option_count;
      }
      this.selected_option_count = 0;
      _ref = this.form_field.options;
      for ( _i = 0, _len = _ref.length; _i < _len; _i++ ) {
        option = _ref[_i];
        if ( option.selected ) {
          this.selected_option_count += 1;
        }
      }
      return this.selected_option_count;
    };

    AbstractChosen.prototype.choices_click = function( evt ) {
      evt.preventDefault();
      if ( !( this.results_showing || this.is_disabled ) ) {
        return this.results_show();
      }
    };

    AbstractChosen.prototype.keyup_checker = function( evt ) {
      var stroke, _ref;
      stroke = ( _ref = evt.which ) != null ? _ref : evt.keyCode;
      this.search_field_scale();
      switch ( stroke ) {
        case 8:
          if ( this.is_multiple && this.backstroke_length < 1 && this.choices_count() > 0 ) {
            return this.keydown_backstroke();
          } else if ( !this.pending_backstroke ) {
            this.result_clear_highlight();
            return this.results_search();
          }
          break;
        case 13:
          evt.preventDefault();
          if ( this.results_showing ) {
            return this.result_select( evt );
          }
          break;
        case 27:
          if ( this.results_showing ) {
            this.results_hide();
          }
          return true;
        case 9:
        case 38:
        case 40:
        case 16:
        case 91:
        case 17:
          break;
        default:
          return this.results_search();
      }
    };

    AbstractChosen.prototype.clipboard_event_checker = function( evt ) {
      var _this = this;
      return setTimeout( ( function() {
        return _this.results_search();
      } ), 50 );
    };

    AbstractChosen.prototype.container_width = function() {
      if ( this.options.width != null ) {
        return this.options.width;
      } else {
        return "" + this.form_field.offsetWidth + "px";
      }
    };

    AbstractChosen.prototype.include_option_in_results = function( option ) {
      if ( this.is_multiple && ( !this.display_selected_options && option.selected ) ) {
        return false;
      }
      if ( !this.display_disabled_options && option.disabled ) {
        return false;
      }
      if ( option.empty ) {
        return false;
      }
      return true;
    };

    AbstractChosen.prototype.search_results_touchstart = function( evt ) {
      this.touch_started = true;
      return this.search_results_mouseover( evt );
    };

    AbstractChosen.prototype.search_results_touchmove = function( evt ) {
      this.touch_started = false;
      return this.search_results_mouseout( evt );
    };

    AbstractChosen.prototype.search_results_touchend = function( evt ) {
      if ( this.touch_started ) {
        return this.search_results_mouseup( evt );
      }
    };

    AbstractChosen.prototype.outerHTML = function( element ) {
      var tmp;
      if ( element.outerHTML ) {
        return element.outerHTML;
      }
      tmp = document.createElement( "div" );
      tmp.appendChild( element );
      return tmp.innerHTML;
    };

    AbstractChosen.browser_is_supported = function() {
      if ( window.navigator.appName === "Microsoft Internet Explorer" ) {
        return document.documentMode >= 8;
      }
      if ( /iP( od|hone )/i.test( window.navigator.userAgent ) ) {
        return false;
      }
      if ( /Android/i.test( window.navigator.userAgent ) ) {
        if ( /Mobile/i.test( window.navigator.userAgent ) ) {
          return false;
        }
      }
      return true;
    };

    AbstractChosen.default_multiple_text = "Select Some Options";

    AbstractChosen.default_single_text = "Select an Option";

    AbstractChosen.default_no_result_text = "No results match";

    return AbstractChosen;

  } )();

  $ = jQuery;

  $.fn.extend( {
    chosen: function( options ) {
      if ( !AbstractChosen.browser_is_supported() ) {
        return this;
      }
      return this.each( function( input_field ) {
        var $this, chosen;
        $this = $( this );
        chosen = $this.data( 'chosen' );
        if ( options === 'destroy' && chosen instanceof Chosen ) {
          chosen.destroy();
        } else if ( !( chosen instanceof Chosen ) ) {
          $this.data( 'chosen', new Chosen( this, options ) );
        }
      } );
    }
  } );

  Chosen = ( function( _super ) {
    __extends( Chosen, _super );

    function Chosen() {
      _ref = Chosen.__super__.constructor.apply( this, arguments );
      return _ref;
    }

    Chosen.prototype.setup = function() {
      this.form_field_jq = $( this.form_field );
      this.current_selectedIndex = this.form_field.selectedIndex;
      return this.is_rtl = this.form_field_jq.hasClass( "chosen-rtl" );
    };

    Chosen.prototype.set_up_html = function() {
      var container_classes, container_props;
      container_classes = ["chosen-container"];
      container_classes.push( "chosen-container-" + ( this.is_multiple ? "multi" : "single" ) );
      if ( this.inherit_select_classes && this.form_field.className ) {
        container_classes.push( this.form_field.className );
      }
      if ( this.is_rtl ) {
        container_classes.push( "chosen-rtl" );
      }
      container_props = {
        'class': container_classes.join( ' ' ),
        'style': "width: " + ( this.container_width() ) + ";",
        'title': this.form_field.title
      };
      if ( this.form_field.id.length ) {
        container_props.id = this.form_field.id.replace( /[^\w]/g, '_' ) + "_chosen";
      }
      this.container = $( "<div />", container_props );
      if ( this.is_multiple ) {
        this.container.html( '<ul class="chosen-choices"><li class="search-field"><input type="text" value="' + this.default_text + '" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chosen-drop"><ul class="chosen-results"></ul></div>' );
      } else {
        this.container.html( '<a class="chosen-single chosen-default" tabindex="-1"><span>' + this.default_text + '</span><div><b></b></div></a><div class="chosen-drop"><div class="chosen-search"><input type="text" autocomplete="off" /></div><ul class="chosen-results"></ul></div>' );
      }
      this.form_field_jq.hide().after( this.container );
      this.dropdown = this.container.find( 'div.chosen-drop' ).first();
      this.search_field = this.container.find( 'input' ).first();
      this.search_results = this.container.find( 'ul.chosen-results' ).first();
      this.search_field_scale();
      this.search_no_results = this.container.find( 'li.no-results' ).first();
      if ( this.is_multiple ) {
        this.search_choices = this.container.find( 'ul.chosen-choices' ).first();
        this.search_container = this.container.find( 'li.search-field' ).first();
      } else {
        this.search_container = this.container.find( 'div.chosen-search' ).first();
        this.selected_item = this.container.find( '.chosen-single' ).first();
      }
      this.results_build();
      this.set_tab_index();
      return this.set_label_behavior();
    };

    Chosen.prototype.on_ready = function() {
      return this.form_field_jq.trigger( "chosen:ready", {
        chosen: this
      } );
    };

    Chosen.prototype.register_observers = function() {
      var _this = this;
      this.container.bind( 'touchstart.chosen', function( evt ) {
        _this.container_mousedown( evt );
      } );
      this.container.bind( 'touchend.chosen', function( evt ) {
        _this.container_mouseup( evt );
      } );
      this.container.bind( 'mousedown.chosen', function( evt ) {
        _this.container_mousedown( evt );
      } );
      this.container.bind( 'mouseup.chosen', function( evt ) {
        _this.container_mouseup( evt );
      } );
      this.container.bind( 'mouseenter.chosen', function( evt ) {
        _this.mouse_enter( evt );
      } );
      this.container.bind( 'mouseleave.chosen', function( evt ) {
        _this.mouse_leave( evt );
      } );
      this.search_results.bind( 'mouseup.chosen', function( evt ) {
        _this.search_results_mouseup( evt );
      } );
      this.search_results.bind( 'mouseover.chosen', function( evt ) {
        _this.search_results_mouseover( evt );
      } );
      this.search_results.bind( 'mouseout.chosen', function( evt ) {
        _this.search_results_mouseout( evt );
      } );
      this.search_results.bind( 'mousewheel.chosen DOMMouseScroll.chosen', function( evt ) {
        _this.search_results_mousewheel( evt );
      } );
      this.search_results.bind( 'touchstart.chosen', function( evt ) {
        _this.search_results_touchstart( evt );
      } );
      this.search_results.bind( 'touchmove.chosen', function( evt ) {
        _this.search_results_touchmove( evt );
      } );
      this.search_results.bind( 'touchend.chosen', function( evt ) {
        _this.search_results_touchend( evt );
      } );
      this.form_field_jq.bind( "chosen:updated.chosen", function( evt ) {
        _this.results_update_field( evt );
      } );
      this.form_field_jq.bind( "chosen:activate.chosen", function( evt ) {
        _this.activate_field( evt );
      } );
      this.form_field_jq.bind( "chosen:open.chosen", function( evt ) {
        _this.container_mousedown( evt );
      } );
      this.form_field_jq.bind( "chosen:close.chosen", function( evt ) {
        _this.input_blur( evt );
      } );
      this.search_field.bind( 'blur.chosen', function( evt ) {
        _this.input_blur( evt );
      } );
      this.search_field.bind( 'keyup.chosen', function( evt ) {
        _this.keyup_checker( evt );
      } );
      this.search_field.bind( 'keydown.chosen', function( evt ) {
        _this.keydown_checker( evt );
      } );
      this.search_field.bind( 'focus.chosen', function( evt ) {
        _this.input_focus( evt );
      } );
      this.search_field.bind( 'cut.chosen', function( evt ) {
        _this.clipboard_event_checker( evt );
      } );
      this.search_field.bind( 'paste.chosen', function( evt ) {
        _this.clipboard_event_checker( evt );
      } );
      if ( this.is_multiple ) {
        return this.search_choices.bind( 'click.chosen', function( evt ) {
          _this.choices_click( evt );
        } );
      } else {
        return this.container.bind( 'click.chosen', function( evt ) {
          evt.preventDefault();
        } );
      }
    };

    Chosen.prototype.destroy = function() {
      $( this.container[0].ownerDocument ).unbind( "click.chosen", this.click_test_action );
      if ( this.search_field[0].tabIndex ) {
        this.form_field_jq[0].tabIndex = this.search_field[0].tabIndex;
      }
      this.container.remove();
      this.form_field_jq.removeData( 'chosen' );
      return this.form_field_jq.show();
    };

    Chosen.prototype.search_field_disabled = function() {
      this.is_disabled = this.form_field_jq[0].disabled;
      if ( this.is_disabled ) {
        this.container.addClass( 'chosen-disabled' );
        this.search_field[0].disabled = true;
        if ( !this.is_multiple ) {
          this.selected_item.unbind( "focus.chosen", this.activate_action );
        }
        return this.close_field();
      } else {
        this.container.removeClass( 'chosen-disabled' );
        this.search_field[0].disabled = false;
        if ( !this.is_multiple ) {
          return this.selected_item.bind( "focus.chosen", this.activate_action );
        }
      }
    };

    Chosen.prototype.container_mousedown = function( evt ) {
      if ( !this.is_disabled ) {
        if ( evt && evt.type === "mousedown" && !this.results_showing ) {
          evt.preventDefault();
        }
        if ( !( ( evt != null ) && ( $( evt.target ) ).hasClass( "search-choice-close" ) ) ) {
          if ( !this.active_field ) {
            if ( this.is_multiple ) {
              this.search_field.val( "" );
            }
            $( this.container[0].ownerDocument ).bind( 'click.chosen', this.click_test_action );
            this.results_show();
          } else if ( !this.is_multiple && evt && ( ( $( evt.target )[0] === this.selected_item[0] ) || $( evt.target ).parents( "a.chosen-single" ).length ) ) {
            evt.preventDefault();
            this.results_toggle();
          }
          return this.activate_field();
        }
      }
    };

    Chosen.prototype.container_mouseup = function( evt ) {
      if ( evt.target.nodeName === "ABBR" && !this.is_disabled ) {
        return this.results_reset( evt );
      }
    };

    Chosen.prototype.search_results_mousewheel = function( evt ) {
      var delta;
      if ( evt.originalEvent ) {
        delta = evt.originalEvent.deltaY || -evt.originalEvent.wheelDelta || evt.originalEvent.detail;
      }
      if ( delta != null ) {
        evt.preventDefault();
        if ( evt.type === 'DOMMouseScroll' ) {
          delta = delta * 40;
        }
        return this.search_results.scrollTop( delta + this.search_results.scrollTop() );
      }
    };

    Chosen.prototype.blur_test = function( evt ) {
      if ( !this.active_field && this.container.hasClass( "chosen-container-active" ) ) {
        return this.close_field();
      }
    };

    Chosen.prototype.close_field = function() {
      $( this.container[0].ownerDocument ).unbind( "click.chosen", this.click_test_action );
      this.active_field = false;
      this.results_hide();
      this.container.removeClass( "chosen-container-active" );
      this.clear_backstroke();
      this.show_search_field_default();
      return this.search_field_scale();
    };

    Chosen.prototype.activate_field = function() {
      this.container.addClass( "chosen-container-active" );
      this.active_field = true;
      this.search_field.val( this.search_field.val() );
      return this.search_field.focus();
    };

    Chosen.prototype.test_active_click = function( evt ) {
      var active_container;
      active_container = $( evt.target ).closest( '.chosen-container' );
      if ( active_container.length && this.container[0] === active_container[0] ) {
        return this.active_field = true;
      } else {
        return this.close_field();
      }
    };

    Chosen.prototype.results_build = function() {
      this.parsing = true;
      this.selected_option_count = null;
      this.results_data = SelectParser.select_to_array( this.form_field );
      if ( this.is_multiple ) {
        this.search_choices.find( "li.search-choice" ).remove();
      } else if ( !this.is_multiple ) {
        this.single_set_selected_text();
        if ( this.disable_search || this.form_field.options.length <= this.disable_search_threshold ) {
          this.search_field[0].readOnly = true;
          this.container.addClass( "chosen-container-single-nosearch" );
        } else {
          this.search_field[0].readOnly = false;
          this.container.removeClass( "chosen-container-single-nosearch" );
        }
      }
      this.update_results_content( this.results_option_build( {
        first: true
      } ) );
      this.search_field_disabled();
      this.show_search_field_default();
      this.search_field_scale();
      return this.parsing = false;
    };

    Chosen.prototype.result_do_highlight = function( el ) {
      var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
      if ( el.length ) {
        this.result_clear_highlight();
        this.result_highlight = el;
        this.result_highlight.addClass( "highlighted" );
        maxHeight = parseInt( this.search_results.css( "maxHeight" ), 10 );
        visible_top = this.search_results.scrollTop();
        visible_bottom = maxHeight + visible_top;
        high_top = this.result_highlight.position().top + this.search_results.scrollTop();
        high_bottom = high_top + this.result_highlight.outerHeight();
        if ( high_bottom >= visible_bottom ) {
          return this.search_results.scrollTop( ( high_bottom - maxHeight ) > 0 ? high_bottom - maxHeight : 0 );
        } else if ( high_top < visible_top ) {
          return this.search_results.scrollTop( high_top );
        }
      }
    };

    Chosen.prototype.result_clear_highlight = function() {
      if ( this.result_highlight ) {
        this.result_highlight.removeClass( "highlighted" );
      }
      return this.result_highlight = null;
    };

    Chosen.prototype.results_show = function() {
      if ( this.is_multiple && this.max_selected_options <= this.choices_count() ) {
        this.form_field_jq.trigger( "chosen:maxselected", {
          chosen: this
        } );
        return false;
      }
      this.container.addClass( "chosen-with-drop" );
      this.results_showing = true;
      this.search_field.focus();
      this.search_field.val( this.search_field.val() );
      this.winnow_results();
      return this.form_field_jq.trigger( "chosen:showing_dropdown", {
        chosen: this
      } );
    };

    Chosen.prototype.update_results_content = function( content ) {
      return this.search_results.html( content );
    };

    Chosen.prototype.results_hide = function() {
      if ( this.results_showing ) {
        this.result_clear_highlight();
        this.container.removeClass( "chosen-with-drop" );
        this.form_field_jq.trigger( "chosen:hiding_dropdown", {
          chosen: this
        } );
      }
      return this.results_showing = false;
    };

    Chosen.prototype.set_tab_index = function( el ) {
      var ti;
      if ( this.form_field.tabIndex ) {
        ti = this.form_field.tabIndex;
        this.form_field.tabIndex = -1;
        return this.search_field[0].tabIndex = ti;
      }
    };

    Chosen.prototype.set_label_behavior = function() {
      var _this = this;
      this.form_field_label = this.form_field_jq.parents( "label" );
      if ( !this.form_field_label.length && this.form_field.id.length ) {
        this.form_field_label = $( "label[for='" + this.form_field.id + "']" );
      }
      if ( this.form_field_label.length > 0 ) {
        return this.form_field_label.bind( 'click.chosen', function( evt ) {
          if ( _this.is_multiple ) {
            return _this.container_mousedown( evt );
          } else {
            return _this.activate_field();
          }
        } );
      }
    };

    Chosen.prototype.show_search_field_default = function() {
      if ( this.is_multiple && this.choices_count() < 1 && !this.active_field ) {
        this.search_field.val( this.default_text );
        return this.search_field.addClass( "default" );
      } else {
        this.search_field.val( "" );
        return this.search_field.removeClass( "default" );
      }
    };

    Chosen.prototype.search_results_mouseup = function( evt ) {
      var target;
      target = $( evt.target ).hasClass( "active-result" ) ? $( evt.target ) : $( evt.target ).parents( ".active-result" ).first();
      if ( target.length ) {
        this.result_highlight = target;
        this.result_select( evt );
        return this.search_field.focus();
      }
    };

    Chosen.prototype.search_results_mouseover = function( evt ) {
      var target;
      target = $( evt.target ).hasClass( "active-result" ) ? $( evt.target ) : $( evt.target ).parents( ".active-result" ).first();
      if ( target ) {
        return this.result_do_highlight( target );
      }
    };

    Chosen.prototype.search_results_mouseout = function( evt ) {
      if ( $( evt.target ).hasClass( "active-result" || $( evt.target ).parents( '.active-result' ).first() ) ) {
        return this.result_clear_highlight();
      }
    };

    Chosen.prototype.choice_build = function( item ) {
      var choice, close_link,
        _this = this;
      choice = $( '<li />', {
        "class": "search-choice"
      } ).html( "<span>" + item.html + "</span>" );
      if ( item.disabled ) {
        choice.addClass( 'search-choice-disabled' );
      } else {
        close_link = $( '<a />', {
          "class": 'search-choice-close',
          'data-option-array-index': item.array_index
        } );
        close_link.bind( 'click.chosen', function( evt ) {
          return _this.choice_destroy_link_click( evt );
        } );
        choice.append( close_link );
      }
      return this.search_container.before( choice );
    };

    Chosen.prototype.choice_destroy_link_click = function( evt ) {
      evt.preventDefault();
      evt.stopPropagation();
      if ( !this.is_disabled ) {
        return this.choice_destroy( $( evt.target ) );
      }
    };

    Chosen.prototype.choice_destroy = function( link ) {
      if ( this.result_deselect( link[0].getAttribute( "data-option-array-index" ) ) ) {
        this.show_search_field_default();
        if ( this.is_multiple && this.choices_count() > 0 && this.search_field.val().length < 1 ) {
          this.results_hide();
        }
        link.parents( 'li' ).first().remove();
        return this.search_field_scale();
      }
    };

    Chosen.prototype.results_reset = function() {
      this.reset_single_select_options();
      this.form_field.options[0].selected = true;
      this.single_set_selected_text();
      this.show_search_field_default();
      this.results_reset_cleanup();
      this.form_field_jq.trigger( "change" );
      if ( this.active_field ) {
        return this.results_hide();
      }
    };

    Chosen.prototype.results_reset_cleanup = function() {
      this.current_selectedIndex = this.form_field.selectedIndex;
      return this.selected_item.find( "abbr" ).remove();
    };

    Chosen.prototype.result_select = function( evt ) {
      var high, item;
      if ( this.result_highlight ) {
        high = this.result_highlight;
        this.result_clear_highlight();
        if ( this.is_multiple && this.max_selected_options <= this.choices_count() ) {
          this.form_field_jq.trigger( "chosen:maxselected", {
            chosen: this
          } );
          return false;
        }
        if ( this.is_multiple ) {
          high.removeClass( "active-result" );
        } else {
          this.reset_single_select_options();
        }
        item = this.results_data[high[0].getAttribute( "data-option-array-index" )];
        item.selected = true;
        this.form_field.options[item.options_index].selected = true;
        this.selected_option_count = null;
        if ( this.is_multiple ) {
          this.choice_build( item );
        } else {
          this.single_set_selected_text( item.text );
        }
        if ( !( ( evt.metaKey || evt.ctrlKey ) && this.is_multiple ) ) {
          this.results_hide();
        }
        this.search_field.val( "" );
        if ( this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex ) {
          this.form_field_jq.trigger( "change", {
            'selected': this.form_field.options[item.options_index].value
          } );
        }
        this.current_selectedIndex = this.form_field.selectedIndex;
        return this.search_field_scale();
      }
    };

    Chosen.prototype.single_set_selected_text = function( text ) {
      if ( text == null ) {
        text = this.default_text;
      }
      if ( text === this.default_text ) {
        this.selected_item.addClass( "chosen-default" );
      } else {
        this.single_deselect_control_build();
        this.selected_item.removeClass( "chosen-default" );
      }
      return this.selected_item.find( "span" ).text( text );
    };

    Chosen.prototype.result_deselect = function( pos ) {
      var result_data;
      result_data = this.results_data[pos];
      if ( !this.form_field.options[result_data.options_index].disabled ) {
        result_data.selected = false;
        this.form_field.options[result_data.options_index].selected = false;
        this.selected_option_count = null;
        this.result_clear_highlight();
        if ( this.results_showing ) {
          this.winnow_results();
        }
        this.form_field_jq.trigger( "change", {
          deselected: this.form_field.options[result_data.options_index].value
        } );
        this.search_field_scale();
        return true;
      } else {
        return false;
      }
    };

    Chosen.prototype.single_deselect_control_build = function() {
      if ( !this.allow_single_deselect ) {
        return;
      }
      if ( !this.selected_item.find( "abbr" ).length ) {
        this.selected_item.find( "span" ).first().after( "<abbr class=\"search-choice-close\"></abbr>" );
      }
      return this.selected_item.addClass( "chosen-single-with-deselect" );
    };

    Chosen.prototype.get_search_text = function() {
      if ( this.search_field.val() === this.default_text ) {
        return "";
      } else {
        return $( '<div/>' ).text( $.trim( this.search_field.val() ) ).html();
      }
    };

    Chosen.prototype.winnow_results_set_highlight = function() {
      var do_high, selected_results;
      selected_results = !this.is_multiple ? this.search_results.find( ".result-selected.active-result" ) : [];
      do_high = selected_results.length ? selected_results.first() : this.search_results.find( ".active-result" ).first();
      if ( do_high != null ) {
        return this.result_do_highlight( do_high );
      }
    };

    Chosen.prototype.no_results = function( terms ) {
      var no_results_html;
      no_results_html = $( '<li class="no-results">' + this.results_none_found + ' "<span></span>"</li>' );
      no_results_html.find( "span" ).first().html( terms );
      this.search_results.append( no_results_html );
      return this.form_field_jq.trigger( "chosen:no_results", {
        chosen: this
      } );
    };

    Chosen.prototype.no_results_clear = function() {
      return this.search_results.find( ".no-results" ).remove();
    };

    Chosen.prototype.keydown_arrow = function() {
      var next_sib;
      if ( this.results_showing && this.result_highlight ) {
        next_sib = this.result_highlight.nextAll( "li.active-result" ).first();
        if ( next_sib ) {
          return this.result_do_highlight( next_sib );
        }
      } else {
        return this.results_show();
      }
    };

    Chosen.prototype.keyup_arrow = function() {
      var prev_sibs;
      if ( !this.results_showing && !this.is_multiple ) {
        return this.results_show();
      } else if ( this.result_highlight ) {
        prev_sibs = this.result_highlight.prevAll( "li.active-result" );
        if ( prev_sibs.length ) {
          return this.result_do_highlight( prev_sibs.first() );
        } else {
          if ( this.choices_count() > 0 ) {
            this.results_hide();
          }
          return this.result_clear_highlight();
        }
      }
    };

    Chosen.prototype.keydown_backstroke = function() {
      var next_available_destroy;
      if ( this.pending_backstroke ) {
        this.choice_destroy( this.pending_backstroke.find( "a" ).first() );
        return this.clear_backstroke();
      } else {
        next_available_destroy = this.search_container.siblings( "li.search-choice" ).last();
        if ( next_available_destroy.length && !next_available_destroy.hasClass( "search-choice-disabled" ) ) {
          this.pending_backstroke = next_available_destroy;
          if ( this.single_backstroke_delete ) {
            return this.keydown_backstroke();
          } else {
            return this.pending_backstroke.addClass( "search-choice-focus" );
          }
        }
      }
    };

    Chosen.prototype.clear_backstroke = function() {
      if ( this.pending_backstroke ) {
        this.pending_backstroke.removeClass( "search-choice-focus" );
      }
      return this.pending_backstroke = null;
    };

    Chosen.prototype.keydown_checker = function( evt ) {
      var stroke, _ref1;
      stroke = ( _ref1 = evt.which ) != null ? _ref1 : evt.keyCode;
      this.search_field_scale();
      if ( stroke !== 8 && this.pending_backstroke ) {
        this.clear_backstroke();
      }
      switch ( stroke ) {
        case 8:
          this.backstroke_length = this.search_field.val().length;
          break;
        case 9:
          if ( this.results_showing && !this.is_multiple ) {
            this.result_select( evt );
          }
          this.mouse_on_container = false;
          break;
        case 13:
          if ( this.results_showing ) {
            evt.preventDefault();
          }
          break;
        case 32:
          if ( this.disable_search ) {
            evt.preventDefault();
          }
          break;
        case 38:
          evt.preventDefault();
          this.keyup_arrow();
          break;
        case 40:
          evt.preventDefault();
          this.keydown_arrow();
          break;
      }
    };

    Chosen.prototype.search_field_scale = function() {
      var div, f_width, h, style, style_block, styles, w, _i, _len;
      if ( this.is_multiple ) {
        h = 0;
        w = 0;
        style_block = "position:absolute; left: -1000px; top: -1000px; display:none;";
        styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
        for ( _i = 0, _len = styles.length; _i < _len; _i++ ) {
          style = styles[_i];
          style_block += style + ":" + this.search_field.css( style ) + ";";
        }
        div = $( '<div />', {
          'style': style_block
        } );
        div.text( this.search_field.val() );
        $( 'body' ).append( div );
        w = div.width() + 25;
        div.remove();
        f_width = this.container.outerWidth();
        if ( w > f_width - 10 ) {
          w = f_width - 10;
        }
        return this.search_field.css( {
          'width': w + 'px'
        } );
      }
    };

    return Chosen;

  } )( AbstractChosen );

} ).call( this );