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

Version 1.6.2
Full source at https://github.com/harvesthq/chosen
Copyright (c) 2011-2016 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, 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),
        title: group.title ? group.title : void 0,
        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,
            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;
      }
    };

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

    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;
      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;
      return this.case_sensitive_search = this.options.case_sensitive_search || false;
    };

    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.choice_label = function(item) {
      if (this.include_group_label_in_selected && (item.group_label != null)) {
        return "" + item.group_label + "" + 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) {
      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, data_content, shown_results, _i, _len, _ref;
      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.search_text;
      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.search_text;
      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 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;
          }
          option.search_text = option.group ? option.label : option.html;
          if (!(option.group && !this.group_search)) {
            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) + '' + option.search_text.substr(startpos + searchText.length);
                option.search_text = text.substr(0, startpos) + '' + 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_flag;
      regex_anchor = this.search_contains ? "" : "^";
      regex_flag = this.case_sensitive_search ? "" : "i";
      return new RegExp(regex_anchor + escaped_search_string, regex_flag);
    };

    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:
        case 18:
          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 ("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;

  })();

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

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

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

    Chosen.prototype.set_default_values = function() {
      Chosen.__super__.set_default_values.call(this);
      this.single_temp = new Template('#{default}
    '); this.multi_temp = new Template('
      '); return this.no_results_temp = new Template('
    • ' + this.results_none_found + ' "#{terms}"
    • '); }; 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 = this.is_multiple ? new Element('div', container_props).update(this.multi_temp.evaluate({ "default": this.default_text })) : new Element('div', container_props).update(this.single_temp.evaluate({ "default": this.default_text })); this.form_field.hide().insert({ after: this.container }); this.dropdown = this.container.down('div.chosen-drop'); this.search_field = this.container.down('input'); this.search_results = this.container.down('ul.chosen-results'); this.search_field_scale(); this.search_no_results = this.container.down('li.no-results'); if (this.is_multiple) { this.search_choices = this.container.down('ul.chosen-choices'); this.search_container = this.container.down('li.search-field'); } else { this.search_container = this.container.down('div.chosen-search'); this.selected_item = this.container.down('.chosen-single'); } this.results_build(); this.set_tab_index(); return this.set_label_behavior(); }; Chosen.prototype.on_ready = function() { return this.form_field.fire("chosen:ready", { chosen: this }); }; Chosen.prototype.register_observers = function() { var _this = this; this.container.observe("touchstart", function(evt) { _this.container_mousedown(evt); return evt.preventDefault(); }); this.container.observe("touchend", function(evt) { _this.container_mouseup(evt); return evt.preventDefault(); }); this.container.observe("mousedown", function(evt) { return _this.container_mousedown(evt); }); this.container.observe("mouseup", function(evt) { return _this.container_mouseup(evt); }); this.container.observe("mouseenter", function(evt) { return _this.mouse_enter(evt); }); this.container.observe("mouseleave", function(evt) { return _this.mouse_leave(evt); }); this.search_results.observe("mouseup", function(evt) { return _this.search_results_mouseup(evt); }); this.search_results.observe("mouseover", function(evt) { return _this.search_results_mouseover(evt); }); this.search_results.observe("mouseout", function(evt) { return _this.search_results_mouseout(evt); }); this.search_results.observe("mousewheel", function(evt) { return _this.search_results_mousewheel(evt); }); this.search_results.observe("DOMMouseScroll", function(evt) { return _this.search_results_mousewheel(evt); }); this.search_results.observe("touchstart", function(evt) { return _this.search_results_touchstart(evt); }); this.search_results.observe("touchmove", function(evt) { return _this.search_results_touchmove(evt); }); this.search_results.observe("touchend", function(evt) { return _this.search_results_touchend(evt); }); this.form_field.observe("chosen:updated", function(evt) { return _this.results_update_field(evt); }); this.form_field.observe("chosen:activate", function(evt) { return _this.activate_field(evt); }); this.form_field.observe("chosen:open", function(evt) { return _this.container_mousedown(evt); }); this.form_field.observe("chosen:close", function(evt) { return _this.input_blur(evt); }); this.search_field.observe("blur", function(evt) { return _this.input_blur(evt); }); this.search_field.observe("keyup", function(evt) { return _this.keyup_checker(evt); }); this.search_field.observe("keydown", function(evt) { return _this.keydown_checker(evt); }); this.search_field.observe("focus", function(evt) { return _this.input_focus(evt); }); this.search_field.observe("cut", function(evt) { return _this.clipboard_event_checker(evt); }); this.search_field.observe("paste", function(evt) { return _this.clipboard_event_checker(evt); }); if (this.is_multiple) { return this.search_choices.observe("click", function(evt) { return _this.choices_click(evt); }); } else { return this.container.observe("click", function(evt) { return evt.preventDefault(); }); } }; Chosen.prototype.destroy = function() { this.container.ownerDocument.stopObserving("click", this.click_test_action); this.form_field.stopObserving(); this.container.stopObserving(); this.search_results.stopObserving(); this.search_field.stopObserving(); if (this.form_field_label != null) { this.form_field_label.stopObserving(); } if (this.is_multiple) { this.search_choices.stopObserving(); this.container.select(".search-choice-close").each(function(choice) { return choice.stopObserving(); }); } else { this.selected_item.stopObserving(); } if (this.search_field.tabIndex) { this.form_field.tabIndex = this.search_field.tabIndex; } this.container.remove(); return this.form_field.show(); }; Chosen.prototype.search_field_disabled = function() { this.is_disabled = this.form_field.disabled; if (this.is_disabled) { this.container.addClassName('chosen-disabled'); this.search_field.disabled = true; if (!this.is_multiple) { this.selected_item.stopObserving("focus", this.activate_action); } return this.close_field(); } else { this.container.removeClassName('chosen-disabled'); this.search_field.disabled = false; if (!this.is_multiple) { return this.selected_item.observe("focus", this.activate_action); } } }; Chosen.prototype.container_mousedown = function(evt) { if (!this.is_disabled) { if (evt && evt.type === "mousedown" && !this.results_showing) { evt.stop(); } if (!((evt != null) && evt.target.hasClassName("search-choice-close"))) { if (!this.active_field) { if (this.is_multiple) { this.search_field.clear(); } this.container.ownerDocument.observe("click", this.click_test_action); this.results_show(); } else if (!this.is_multiple && evt && (evt.target === this.selected_item || evt.target.up("a.chosen-single"))) { 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; delta = evt.deltaY || -evt.wheelDelta || evt.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.hasClassName("chosen-container-active")) { return this.close_field(); } }; Chosen.prototype.close_field = function() { this.container.ownerDocument.stopObserving("click", this.click_test_action); this.active_field = false; this.results_hide(); this.container.removeClassName("chosen-container-active"); this.clear_backstroke(); this.show_search_field_default(); return this.search_field_scale(); }; Chosen.prototype.activate_field = function() { this.container.addClassName("chosen-container-active"); this.active_field = true; this.search_field.value = this.search_field.value; return this.search_field.focus(); }; Chosen.prototype.test_active_click = function(evt) { if (evt.target.up('.chosen-container') === this.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.select("li.search-choice").invoke("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.readOnly = true; this.container.addClassName("chosen-container-single-nosearch"); } else { this.search_field.readOnly = false; this.container.removeClassName("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; this.result_clear_highlight(); this.result_highlight = el; this.result_highlight.addClassName("highlighted"); maxHeight = parseInt(this.search_results.getStyle('maxHeight'), 10); visible_top = this.search_results.scrollTop; visible_bottom = maxHeight + visible_top; high_top = this.result_highlight.positionedOffset().top; high_bottom = high_top + this.result_highlight.getHeight(); 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.removeClassName('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.fire("chosen:maxselected", { chosen: this }); return false; } this.container.addClassName("chosen-with-drop"); this.results_showing = true; this.search_field.focus(); this.search_field.value = this.search_field.value; this.winnow_results(); return this.form_field.fire("chosen:showing_dropdown", { chosen: this }); }; Chosen.prototype.update_results_content = function(content) { return this.search_results.update(content); }; Chosen.prototype.results_hide = function() { if (this.results_showing) { this.result_clear_highlight(); this.container.removeClassName("chosen-with-drop"); this.form_field.fire("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.tabIndex = ti; } }; Chosen.prototype.set_label_behavior = function() { var _this = this; this.form_field_label = this.form_field.up("label"); if (this.form_field_label == null) { this.form_field_label = $$("label[for='" + this.form_field.id + "']").first(); } if (this.form_field_label != null) { return this.form_field_label.observe("click", 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.value = this.default_text; return this.search_field.addClassName("default"); } else { this.search_field.value = ""; return this.search_field.removeClassName("default"); } }; Chosen.prototype.search_results_mouseup = function(evt) { var target; target = evt.target.hasClassName("active-result") ? evt.target : evt.target.up(".active-result"); if (target) { 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.hasClassName("active-result") ? evt.target : evt.target.up(".active-result"); if (target) { return this.result_do_highlight(target); } }; Chosen.prototype.search_results_mouseout = function(evt) { if (evt.target.hasClassName('active-result') || evt.target.up('.active-result')) { return this.result_clear_highlight(); } }; Chosen.prototype.choice_build = function(item) { var choice, close_link, _this = this; choice = new Element('li', { "class": "search-choice" }).update("" + (this.choice_label(item)) + ""); if (item.disabled) { choice.addClassName('search-choice-disabled'); } else { close_link = new Element('a', { href: '#', "class": 'search-choice-close', rel: item.array_index }); close_link.observe("click", function(evt) { return _this.choice_destroy_link_click(evt); }); choice.insert(close_link); } return this.search_container.insert({ 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.readAttribute("rel"))) { this.show_search_field_default(); if (this.is_multiple && this.choices_count() > 0 && this.search_field.value.length < 1) { this.results_hide(); } link.up('li').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(); if (typeof Event.simulate === 'function') { this.form_field.simulate("change"); } if (this.active_field) { return this.results_hide(); } }; Chosen.prototype.results_reset_cleanup = function() { var deselect_trigger; this.current_selectedIndex = this.form_field.selectedIndex; deselect_trigger = this.selected_item.down("abbr"); if (deselect_trigger) { return deselect_trigger.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.fire("chosen:maxselected", { chosen: this }); return false; } if (this.is_multiple) { high.removeClassName("active-result"); } else { this.reset_single_select_options(); } high.addClassName("result-selected"); item = this.results_data[high.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(this.choice_label(item)); } if (!((evt.metaKey || evt.ctrlKey) && this.is_multiple)) { this.results_hide(); } this.show_search_field_default(); if (typeof Event.simulate === 'function' && (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex)) { this.form_field.simulate("change"); } 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.addClassName("chosen-default"); } else { this.single_deselect_control_build(); this.selected_item.removeClassName("chosen-default"); } return this.selected_item.down("span").update(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(); } if (typeof Event.simulate === 'function') { this.form_field.simulate("change"); } 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.down("abbr")) { this.selected_item.down("span").insert({ after: "" }); } return this.selected_item.addClassName("chosen-single-with-deselect"); }; Chosen.prototype.get_search_text = function() { return this.search_field.value.strip().escapeHTML(); }; Chosen.prototype.winnow_results_set_highlight = function() { var do_high; if (!this.is_multiple) { do_high = this.search_results.down(".result-selected.active-result"); } if (do_high == null) { do_high = this.search_results.down(".active-result"); } if (do_high != null) { return this.result_do_highlight(do_high); } }; Chosen.prototype.no_results = function(terms) { this.search_results.insert(this.no_results_temp.evaluate({ terms: terms })); return this.form_field.fire("chosen:no_results", { chosen: this }); }; Chosen.prototype.no_results_clear = function() { var nr, _results; nr = null; _results = []; while (nr = this.search_results.down(".no-results")) { _results.push(nr.remove()); } return _results; }; Chosen.prototype.keydown_arrow = function() { var next_sib; if (this.results_showing && this.result_highlight) { next_sib = this.result_highlight.next('.active-result'); if (next_sib) { return this.result_do_highlight(next_sib); } } else { return this.results_show(); } }; Chosen.prototype.keyup_arrow = function() { var actives, prevs, sibs; if (!this.results_showing && !this.is_multiple) { return this.results_show(); } else if (this.result_highlight) { sibs = this.result_highlight.previousSiblings(); actives = this.search_results.select("li.active-result"); prevs = sibs.intersect(actives); if (prevs.length) { return this.result_do_highlight(prevs.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.down("a")); return this.clear_backstroke(); } else { next_available_destroy = this.search_container.siblings().last(); if (next_available_destroy && next_available_destroy.hasClassName("search-choice") && !next_available_destroy.hasClassName("search-choice-disabled")) { this.pending_backstroke = next_available_destroy; if (this.pending_backstroke) { this.pending_backstroke.addClassName("search-choice-focus"); } if (this.single_backstroke_delete) { return this.keydown_backstroke(); } else { return this.pending_backstroke.addClassName("search-choice-focus"); } } } }; Chosen.prototype.clear_backstroke = function() { if (this.pending_backstroke) { this.pending_backstroke.removeClassName("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.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 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.getStyle(style) + ";"; } div = new Element('div', { 'style': style_block }).update(this.search_field.value.escapeHTML()); document.body.appendChild(div); w = Element.measure(div, 'width') + 25; div.remove(); f_width = this.container.getWidth(); if (w > f_width - 10) { w = f_width - 10; } return this.search_field.setStyle({ 'width': w + 'px' }); } }; return Chosen; })(AbstractChosen); }).call(this);




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