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

Version 1.8.2
Full source at https://github.com/harvesthq/chosen
Copyright (c) 2011-2017 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,
	bind    = function(fn, me){ return function(){ return fn.apply( me, arguments ); }; },
	extend  = 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; },
	hasProp = {}.hasOwnProperty;

	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, i, len, option, ref, results1;
			group_position = this.parsed.length;
			this.parsed.push(
				{
					array_index: group_position,
					group: true,
					label: group.label,
					title: group.title ? group.title : void 0,
					children: 0,
					disabled: group.disabled,
					classes: group.className
				}
			);
			ref      = group.childNodes;
			results1 = [];
			for (i = 0, len = ref.length; i < len; i++) {
				option = ref[i];
				results1.push( this.add_option( option, group_position, group.disabled ) );
			}
			return results1;
		};

		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,
							title: option.title ? option.title : void 0,
							selected: option.selected,
							disabled: group_disabled === true ? group_disabled : option.disabled,
							group_array_index: group_position,
							group_label: group_position != null ? this.parsed[group_position].label : null,
							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;
			}
		};

		return SelectParser;

	})();

	SelectParser.select_to_array = function(select) {
		var child, i, len, parser, 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, options1) {
			this.form_field          = form_field;
			this.options             = options1 != null ? options1 : {};
			this.label_click_handler = bind( this.label_click_handler, this );
			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() {
			this.click_test_action               = (function(_this) {
				return function(evt) {
					return _this.test_active_click( evt );
				};
			})( this );
			this.activate_action                 = (function(_this) {
				return function(evt) {
					return _this.activate_field( evt );
				};
			})( this );
			this.active_field                    = false;
			this.mouse_on_container              = false;
			this.results_showing                 = false;
			this.result_highlighted              = null;
			this.is_rtl                          = this.options.rtl || /\bchosen-rtl\b/.test( this.form_field.className );
			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;
			this.display_disabled_options        = this.options.display_disabled_options != null ? this.options.display_disabled_options : true;
			this.include_group_label_in_selected = this.options.include_group_label_in_selected || false;
			this.max_shown_results               = this.options.max_shown_results || Number.POSITIVE_INFINITY;
			this.case_sensitive_search           = this.options.case_sensitive_search || false;
			return this.hide_results_on_select   = this.options.hide_results_on_select != null ? this.options.hide_results_on_select : 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;
			}
			this.default_text              = this.escape_html( this.default_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.choice_label = function(item) {
			if (this.include_group_label_in_selected && (item.group_label != null)) {
				return "<b class='group-name'>" + item.group_label + "</b>" + item.html;
			} else {
				return item.html;
			}
		};

		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) {
			if (this.is_multiple) {
				if ( ! this.active_field) {
					return setTimeout(
						((function(_this) {
							return function() {
								return _this.container_mousedown();
							};
						})( this )),
						50
					);
				}
			} else {
				if ( ! this.active_field) {
					return this.activate_field();
				}
			}
		};

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

		AbstractChosen.prototype.label_click_handler = function(evt) {
			if (this.is_multiple) {
				return this.container_mousedown( evt );
			} else {
				return this.activate_field();
			}
		};

		AbstractChosen.prototype.results_option_build = function(options) {
			var content, data, data_content, i, len, ref, shown_results;
			content       = '';
			shown_results = 0;
			ref           = this.results_data;
			for (i = 0, len = ref.length; i < len; i++) {
				data         = ref[i];
				data_content = '';
				if (data.group) {
					data_content = this.result_add_group( data );
				} else {
					data_content = this.result_add_option( data );
				}
				if (data_content !== '') {
					shown_results++;
					content += data_content;
				}
				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( this.choice_label( data ) );
					}
				}
				if (shown_results >= this.max_shown_results) {
					break;
				}
			}
			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.highlighted_html || option.html;
			if (option.title) {
				option_el.title = option.title;
			}
			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.highlighted_html || this.escape_html( group.label );
			if (group.title) {
				group_el.title = group.title;
			}
			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 i, len, ref, result, results1;
			ref      = this.results_data;
			results1 = [];
			for (i = 0, len = ref.length; i < len; i++) {
				result = ref[i];
				if (result.selected) {
					results1.push( result.selected = false );
				} else {
					results1.push( void 0 );
				}
			}
			return results1;
		};

		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 escapedQuery, fix, i, len, option, prefix, query, ref, regex, results, results_group, search_match, startpos, suffix, text;
			this.no_results_clear();
			results      = 0;
			query        = this.get_search_text();
			escapedQuery = query.replace( /[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&" );
			regex        = this.get_search_regex( escapedQuery );
			ref          = this.results_data;
			for (i = 0, len = ref.length; i < len; i++) {
				option                  = ref[i];
				option.search_match     = false;
				results_group           = null;
				search_match            = null;
				option.highlighted_html = '';
				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;
					}
					text = option.group ? option.label : option.text;
					if ( ! (option.group && ! this.group_search)) {
						search_match        = this.search_string_match( text, regex );
						option.search_match = search_match != null;
						if (option.search_match && ! option.group) {
							results += 1;
						}
						if (option.search_match) {
							if (query.length) {
								startpos                = search_match.index;
								prefix                  = text.slice( 0, startpos );
								fix                     = text.slice( startpos, startpos + query.length );
								suffix                  = text.slice( startpos + query.length );
								option.highlighted_html = (this.escape_html( prefix )) + "<em>" + (this.escape_html( fix )) + "</em>" + (this.escape_html( suffix ));
							}
							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 && query.length) {
				this.update_results_content( "" );
				return this.no_results( query );
			} 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_flag, regex_string;
			regex_string = this.search_contains ? escaped_search_string : "(^|\\s|\\b)" + escaped_search_string + "[^\\s]*";
			if ( ! (this.enable_split_word_search || this.search_contains)) {
				regex_string = "^" + regex_string;
			}
			regex_flag = this.case_sensitive_search ? "" : "i";
			return new RegExp( regex_string, regex_flag );
		};

		AbstractChosen.prototype.search_string_match = function(search_string, regex) {
			var match;
			match = regex.exec( search_string );
			if ( ! this.search_contains && (match != null ? match[1] : void 0)) {
				match.index += 1;
			}
			return match;
		};

		AbstractChosen.prototype.choices_count = function() {
			var i, len, option, 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();
			this.activate_field();
			if ( ! (this.results_showing || this.is_disabled)) {
				return this.results_show();
			}
		};

		AbstractChosen.prototype.keydown_checker = function(evt) {
			var ref, stroke;
			stroke = (ref = evt.which) != null ? ref : evt.keyCode;
			this.search_field_scale();
			if (stroke !== 8 && this.pending_backstroke) {
				this.clear_backstroke();
			}
			switch (stroke) {
				case 8:
					this.backstroke_length = this.get_search_field_value().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 27:
					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;
			}
		};

		AbstractChosen.prototype.keyup_checker = function(evt) {
			var ref, stroke;
			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) {
						this.keydown_backstroke();
					} else if ( ! this.pending_backstroke) {
						this.result_clear_highlight();
						this.results_search();
					}
				break;
				case 13:
					evt.preventDefault();
					if (this.results_showing) {
						this.result_select( evt );
					}
				break;
				case 27:
					if (this.results_showing) {
						this.results_hide();
					}
				break;
				case 9:
				case 16:
				case 17:
				case 18:
				case 38:
				case 40:
				case 91:
				break;
				default:
					this.results_search();
				break;
			}
		};

		AbstractChosen.prototype.clipboard_event_checker = function(evt) {
			if (this.is_disabled) {
				return;
			}
			return setTimeout(
				((function(_this) {
					return function() {
						return _this.results_search();
					};
				})( this )),
				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.prototype.get_single_html = function() {
			return "<a class=\"chosen-single chosen-default\">\n  <span>" + this.default_text + "</span>\n  <div><b></b></div>\n</a>\n<div class=\"chosen-drop\">\n  <div class=\"chosen-search\">\n    <input class=\"chosen-search-input\" type=\"text\" autocomplete=\"off\" />\n  </div>\n  <ul class=\"chosen-results\"></ul>\n</div>";
		};

		AbstractChosen.prototype.get_multi_html = function() {
			return "<ul class=\"chosen-choices\">\n  <li class=\"search-field\">\n    <input class=\"chosen-search-input\" type=\"text\" autocomplete=\"off\" value=\"" + this.default_text + "\" />\n  </li>\n</ul>\n<div class=\"chosen-drop\">\n  <ul class=\"chosen-results\"></ul>\n</div>";
		};

		AbstractChosen.prototype.get_no_results_html = function(terms) {
			return "<li class=\"no-results\">\n  " + this.results_none_found + " <span>" + (this.escape_html( terms )) + "</span>\n</li>";
		};

		AbstractChosen.browser_is_supported = function() {
			if ("Microsoft Internet Explorer" === window.navigator.appName) {
				return document.documentMode >= 8;
			}
			if (/iP(od|hone)/i.test( window.navigator.userAgent ) || /IEMobile/i.test( window.navigator.userAgent ) || /Windows Phone/i.test( window.navigator.userAgent ) || /BlackBerry/i.test( window.navigator.userAgent ) || /BB10/i.test( window.navigator.userAgent ) || /Android.*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') {
							if (chosen instanceof Chosen) {
								chosen.destroy();
							}
							return;
						}
						if ( ! (chosen instanceof Chosen)) {
							$this.data( 'chosen', new Chosen( this, options ) );
						}
					}
				);
			}
		}
	);

	Chosen = (function(superClass) {
		extend( Chosen, superClass );

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

		Chosen.prototype.setup = function() {
			this.form_field_jq                = $( this.form_field );
			return this.current_selectedIndex = this.form_field.selectedIndex;
		};

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

		Chosen.prototype.destroy = function() {
			$( this.container[0].ownerDocument ).off( 'click.chosen', this.click_test_action );
			if (this.form_field_label.length > 0) {
				this.form_field_label.off( 'click.chosen' );
			}
			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.disabled || this.form_field_jq.parents( 'fieldset' ).is( ':disabled' );
			this.container.toggleClass( 'chosen-disabled', this.is_disabled );
			this.search_field[0].disabled = this.is_disabled;
			if ( ! this.is_multiple) {
				this.selected_item.off( 'focus.chosen', this.activate_field );
			}
			if (this.is_disabled) {
				return this.close_field();
			} else if ( ! this.is_multiple) {
				return this.selected_item.on( 'focus.chosen', this.activate_field );
			}
		};

		Chosen.prototype.container_mousedown = function(evt) {
			var ref;
			if (this.is_disabled) {
				return;
			}
			if (evt && ((ref = evt.type) === 'mousedown' || ref === 'touchstart') && ! 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( "" );
					}
					$( this.container[0].ownerDocument ).on( 'click.chosen', this.click_test_action );
					this.results_show();
				} else if ( ! this.is_multiple && evt && (($( 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 ).off( "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();
			this.search_field_scale();
			return this.search_field.blur();
		};

		Chosen.prototype.activate_field = function() {
			if (this.is_disabled) {
				return;
			}
			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.get_search_field_value() );
			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() {
			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.on( 'click.chosen', this.label_click_handler );
			}
		};

		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;
			choice = $(
				'<li />',
				{
					"class": "search-choice"
				}
			).html( "<span>" + (this.choice_label( item )) + "</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.on(
					'click.chosen',
					(function(_this) {
						return function(evt) {
							return _this.choice_destroy_link_click( evt );
						};
					})( this )
				);
				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" ) )) {
				if (this.active_field) {
					this.search_field.focus();
				} else {
					this.show_search_field_default();
				}
				if (this.is_multiple && this.choices_count() > 0 && this.get_search_field_value().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.trigger_form_field_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();
				}
				high.addClass( "result-selected" );
				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;
				this.search_field.val( "" );
				if (this.is_multiple) {
					this.choice_build( item );
				} else {
					this.single_set_selected_text( this.choice_label( item ) );
				}
				if (this.is_multiple && ( ! this.hide_results_on_select || (evt.metaKey || evt.ctrlKey))) {
					this.winnow_results();
				} else {
					this.results_hide();
					this.show_search_field_default();
				}
				if (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex) {
					this.trigger_form_field_change(
						{
							selected: this.form_field.options[item.options_index].value
						}
					);
				}
				this.current_selectedIndex = this.form_field.selectedIndex;
				evt.preventDefault();
				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" ).html( 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.trigger_form_field_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_field_value = function() {
			return this.search_field.val();
		};

		Chosen.prototype.get_search_text = function() {
			return $.trim( this.get_search_field_value() );
		};

		Chosen.prototype.escape_html = function(text) {
			return $( '<div/>' ).text( text ).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 = this.get_no_results_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.search_field_scale = function() {
			var div, i, len, style, style_block, styles, width;
			if ( ! this.is_multiple) {
				return;
			}
			style_block = {
				position: 'absolute',
				left: '-1000px',
				top: '-1000px',
				display: 'none',
				whiteSpace: 'pre'
			};
			styles      = ['fontSize', 'fontStyle', 'fontWeight', 'fontFamily', 'lineHeight', 'textTransform', 'letterSpacing'];
			for (i = 0, len = styles.length; i < len; i++) {
				style              = styles[i];
				style_block[style] = this.search_field.css( style );
			}
			div = $( '<div />' ).css( style_block );
			div.text( this.get_search_field_value() );
			$( 'body' ).append( div );
			width = div.width() + 25;
			div.remove();
			if (this.container.is( ':visible' )) {
				width = Math.min( this.container.outerWidth() - 10, width );
			}
			return this.search_field.width( width );
		};

		Chosen.prototype.trigger_form_field_change = function(extra) {
			this.form_field_jq.trigger( "input", extra );
			return this.form_field_jq.trigger( "change", extra );
		};

		return Chosen;

	})( AbstractChosen );

}).call( this );