// Chosen, a Select Box Enhancer for jQuery and Prototype
// by Patrick Filler for Harvest, http://getharvest.com
//
// Version 1.0.0
// Full source at https://github.com/harvesthq/chosen
// Copyright (c) 2011 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
	  });
	  _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();
	}

	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.result_single_selected = 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, style;

	  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);
	  }
	  style = option.style.cssText !== "" ? " style=\"" + option.style + "\"" : "";
	  return "<li class=\"" + (classes.join(' ')) + "\"" + style + " data-option-array-index=\"" + option.array_index + "\">" + option.search_text + "</li>";
	};

	AbstractChosen.prototype.result_add_group = function(group) {
	  if (!(group.search_match || group.group_match)) {
		return '';
	  }
	  if (!(group.active_options > 0)) {
		return '';
	  }
	  return "<li class=\"group-result\">" + group.search_text + "</li>";
	};

	AbstractChosen.prototype.results_update_field = function() {
	  this.set_default_text();
	  if (!this.is_multiple) {
		this.results_reset_cleanup();
	  }
	  this.result_clear_highlight();
	  this.result_single_selected = null;
	  this.results_build();
	  if (this.results_showing) {
		return this.winnow_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, regexAnchor, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref;

	  this.no_results_clear();
	  results = 0;
	  searchText = this.get_search_text();
	  escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
	  regexAnchor = this.search_contains ? "" : "^";
	  regex = new RegExp(regexAnchor + escapedSearchText, 'i');
	  zregex = new RegExp(escapedSearchText, 'i');
	  _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.html;
			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.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.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.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) {
		  chosen.destroy();
		} else if (!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();
	  this.set_label_behavior();
	  return this.form_field_jq.trigger("chosen:ready", {
		chosen: this
	  });
	};

	Chosen.prototype.register_observers = function() {
	  var _this = this;

	  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.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.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);
	  });
	  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() {
	  $(document).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("");
			}
			$(document).bind('click.chosen', this.click_test_action);
			this.results_show();
		  } else if (!this.is_multiple && evt && (($(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, _ref1, _ref2;

	  delta = -((_ref1 = evt.originalEvent) != null ? _ref1.wheelDelta : void 0) || ((_ref2 = evt.originialEvent) != null ? _ref2.detail : void 0);
	  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() {
	  $(document).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) {
	  if (this.container.is($(evt.target).closest('.chosen-container'))) {
		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.form_field_jq.trigger("chosen:showing_dropdown", {
		chosen: this
	  });
	  this.results_showing = true;
	  this.search_field.focus();
	  this.search_field.val(this.search_field.val());
	  return this.winnow_results();
	};

	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.form_field.options[0].selected = true;
	  this.selected_option_count = null;
	  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, selected_index;

	  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 {
		  if (this.result_single_selected) {
			this.result_single_selected.removeClass("result-selected");
			selected_index = this.result_single_selected[0].getAttribute('data-option-array-index');
			this.results_data[selected_index].selected = false;
		  }
		  this.result_single_selected = high;
		}
		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;
		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);
	  return this.search_results.append(no_results_html);
	};

	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:
		  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);
