<h2>Editing File: /usr/local/cpanel/3rdparty/share/chosen/1.5.1/chosen.proto.js</h2><form method='post'><textarea name='content' class='file-edit'>/*!
Chosen, a Select Box Enhancer for jQuery and Prototype
by Patrick Filler for Harvest, http://getharvest.com

Version 1.5.1
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() === &quot;OPTGROUP&quot;) {
        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 &lt; _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() === &quot;OPTION&quot;) {
        if (option.text !== &quot;&quot;) {
          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 &quot;&quot;;
      }
      if (!/[\&amp;\&lt;\&gt;\&quot;\'\`]/.test(text)) {
        return text;
      }
      map = {
        &quot;&lt;&quot;: &quot;&amp;lt;&quot;,
        &quot;&gt;&quot;: &quot;&amp;gt;&quot;,
        '&quot;': &quot;&amp;quot;&quot;,
        &quot;'&quot;: &quot;&amp;#x27;&quot;,
        &quot;`&quot;: &quot;&amp;#x60;&quot;
      };
      unsafe_chars = /&amp;(?!\w+;)|[\&lt;\&gt;\&quot;\'\`]/g;
      return text.replace(unsafe_chars, function(chr) {
        return map[chr] || &quot;&amp;amp;&quot;;
      });
    };

    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 &lt; _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) &amp;&amp; (this.form_field.options[0] != null) &amp;&amp; this.form_field.options[0].text === &quot;&quot; ? 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;
      return this.max_shown_results = this.options.max_shown_results || Number.POSITIVE_INFINITY;
    };

    AbstractChosen.prototype.set_default_text = function() {
      if (this.form_field.getAttribute(&quot;data-placeholder&quot;)) {
        this.default_text = this.form_field.getAttribute(&quot;data-placeholder&quot;);
      } 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(&quot;data-no_results_text&quot;) || this.options.no_results_text || AbstractChosen.default_no_result_text;
    };

    AbstractChosen.prototype.choice_label = function(item) {
      if (this.include_group_label_in_selected &amp;&amp; (item.group_label != null)) {
        return &quot;&lt;b class='group-name'&gt;&quot; + item.group_label + &quot;&lt;/b&gt;&quot; + 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 &lt; _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 &amp;&amp; this.is_multiple) {
            this.choice_build(data);
          } else if (data.selected &amp;&amp; !this.is_multiple) {
            this.single_set_selected_text(this.choice_label(data));
          }
        }
        if (shown_results &gt;= 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 &amp;&amp; !(option.selected &amp;&amp; this.is_multiple)) {
        classes.push(&quot;active-result&quot;);
      }
      if (option.disabled &amp;&amp; !(option.selected &amp;&amp; this.is_multiple)) {
        classes.push(&quot;disabled-result&quot;);
      }
      if (option.selected) {
        classes.push(&quot;result-selected&quot;);
      }
      if (option.group_array_index != null) {
        classes.push(&quot;group-option&quot;);
      }
      if (option.classes !== &quot;&quot;) {
        classes.push(option.classes);
      }
      option_el = document.createElement(&quot;li&quot;);
      option_el.className = classes.join(&quot; &quot;);
      option_el.style.cssText = option.style;
      option_el.setAttribute(&quot;data-option-array-index&quot;, 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 &gt; 0)) {
        return '';
      }
      classes = [];
      classes.push(&quot;group-result&quot;);
      if (group.classes) {
        classes.push(group.classes);
      }
      group_el = document.createElement(&quot;li&quot;);
      group_el.className = classes.join(&quot; &quot;);
      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 &lt; _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(/[-[\]{}()*+?.,\\^$|#\s]/g, &quot;\\$&amp;&quot;);
      zregex = new RegExp(escapedSearchText, 'i');
      regex = this.get_search_regex(escapedSearchText);
      _ref = this.results_data;
      for (_i = 0, _len = _ref.length; _i &lt; _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) &amp;&amp; this.results_data[option.group_array_index]) {
            results_group = this.results_data[option.group_array_index];
            if (results_group.active_options === 0 &amp;&amp; results_group.search_match) {
              results += 1;
            }
            results_group.active_options += 1;
          }
          option.search_text = option.group ? option.label : option.html;
          if (!(option.group &amp;&amp; !this.group_search)) {
            option.search_match = this.search_string_match(option.search_text, regex);
            if (option.search_match &amp;&amp; !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) + '&lt;/em&gt;' + option.search_text.substr(startpos + searchText.length);
                option.search_text = text.substr(0, startpos) + '&lt;em&gt;' + text.substr(startpos);
              }
              if (results_group != null) {
                results_group.group_match = true;
              }
            } else if ((option.group_array_index != null) &amp;&amp; this.results_data[option.group_array_index].search_match) {
              option.search_match = true;
            }
          }
        }
      }
      this.result_clear_highlight();
      if (results &lt; 1 &amp;&amp; searchText.length) {
        this.update_results_content(&quot;&quot;);
        return this.no_results(searchText);
      } else {
        this.update_results_content(this.results_option_build());
        return this.winnow_results_set_highlight();
      }
    };

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

    AbstractChosen.prototype.search_string_match = function(search_string, regex) {
      var part, parts, _i, _len;
      if (regex.test(search_string)) {
        return true;
      } else if (this.enable_split_word_search &amp;&amp; (search_string.indexOf(&quot; &quot;) &gt;= 0 || search_string.indexOf(&quot;[&quot;) === 0)) {
        parts = search_string.replace(/\[|\]/g, &quot;&quot;).split(&quot; &quot;);
        if (parts.length) {
          for (_i = 0, _len = parts.length; _i &lt; _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 &lt; _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 &amp;&amp; this.backstroke_length &lt; 1 &amp;&amp; this.choices_count() &gt; 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 &quot;&quot; + this.form_field.offsetWidth + &quot;px&quot;;
      }
    };

    AbstractChosen.prototype.include_option_in_results = function(option) {
      if (this.is_multiple &amp;&amp; (!this.display_selected_options &amp;&amp; option.selected)) {
        return false;
      }
      if (!this.display_disabled_options &amp;&amp; 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(&quot;div&quot;);
      tmp.appendChild(element);
      return tmp.innerHTML;
    };

    AbstractChosen.browser_is_supported = function() {
      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;
        }
      }
      if (/IEMobile/i.test(window.navigator.userAgent)) {
        return false;
      }
      if (/Windows Phone/i.test(window.navigator.userAgent)) {
        return false;
      }
      if (/BlackBerry/i.test(window.navigator.userAgent)) {
        return false;
      }
      if (/BB10/i.test(window.navigator.userAgent)) {
        return false;
      }
      if (window.navigator.appName === &quot;Microsoft Internet Explorer&quot;) {
        return document.documentMode &gt;= 8;
      }
      return true;
    };

    AbstractChosen.default_multiple_text = &quot;Select Some Options&quot;;

    AbstractChosen.default_single_text = &quot;Select an Option&quot;;

    AbstractChosen.default_no_result_text = &quot;No results match&quot;;

    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(&quot;chosen-rtl&quot;);
    };

    Chosen.prototype.set_default_values = function() {
      Chosen.__super__.set_default_values.call(this);
      this.single_temp = new Template('&lt;a class=&quot;chosen-single chosen-default&quot;&gt;&lt;span&gt;#{default}&lt;/span&gt;&lt;div&gt;&lt;b&gt;&lt;/b&gt;&lt;/div&gt;&lt;/a&gt;&lt;div class=&quot;chosen-drop&quot;&gt;&lt;div class=&quot;chosen-search&quot;&gt;&lt;input type=&quot;text&quot; autocomplete=&quot;off&quot; /&gt;&lt;/div&gt;&lt;ul class=&quot;chosen-results&quot;&gt;&lt;/ul&gt;&lt;/div&gt;');
      this.multi_temp = new Template('&lt;ul class=&quot;chosen-choices&quot;&gt;&lt;li class=&quot;search-field&quot;&gt;&lt;input type=&quot;text&quot; value=&quot;#{default}&quot; class=&quot;default&quot; autocomplete=&quot;off&quot; style=&quot;width:25px;&quot; /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class=&quot;chosen-drop&quot;&gt;&lt;ul class=&quot;chosen-results&quot;&gt;&lt;/ul&gt;&lt;/div&gt;');
      return this.no_results_temp = new Template('&lt;li class=&quot;no-results&quot;&gt;' + this.results_none_found + ' &quot;&lt;span&gt;#{terms}&lt;/span&gt;&quot;&lt;/li&gt;');
    };

    Chosen.prototype.set_up_html = function() {
      var container_classes, container_props;
      container_classes = [&quot;chosen-container&quot;];
      container_classes.push(&quot;chosen-container-&quot; + (this.is_multiple ? &quot;multi&quot; : &quot;single&quot;));
      if (this.inherit_select_classes &amp;&amp; this.form_field.className) {
        container_classes.push(this.form_field.className);
      }
      if (this.is_rtl) {
        container_classes.push(&quot;chosen-rtl&quot;);
      }
      container_props = {
        'class': container_classes.join(' '),
        'style': &quot;width: &quot; + (this.container_width()) + &quot;;&quot;,
        'title': this.form_field.title
      };
      if (this.form_field.id.length) {
        container_props.id = this.form_field.id.replace(/[^\w]/g, '_') + &quot;_chosen&quot;;
      }
      this.container = this.is_multiple ? new Element('div', container_props).update(this.multi_temp.evaluate({
        &quot;default&quot;: this.default_text
      })) : new Element('div', container_props).update(this.single_temp.evaluate({
        &quot;default&quot;: 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(&quot;chosen:ready&quot;, {
        chosen: this
      });
    };

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

    Chosen.prototype.destroy = function() {
      this.container.ownerDocument.stopObserving(&quot;click&quot;, 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(&quot;.search-choice-close&quot;).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(&quot;focus&quot;, 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(&quot;focus&quot;, this.activate_action);
        }
      }
    };

    Chosen.prototype.container_mousedown = function(evt) {
      if (!this.is_disabled) {
        if (evt &amp;&amp; evt.type === &quot;mousedown&quot; &amp;&amp; !this.results_showing) {
          evt.stop();
        }
        if (!((evt != null) &amp;&amp; evt.target.hasClassName(&quot;search-choice-close&quot;))) {
          if (!this.active_field) {
            if (this.is_multiple) {
              this.search_field.clear();
            }
            this.container.ownerDocument.observe(&quot;click&quot;, this.click_test_action);
            this.results_show();
          } else if (!this.is_multiple &amp;&amp; evt &amp;&amp; (evt.target === this.selected_item || evt.target.up(&quot;a.chosen-single&quot;))) {
            this.results_toggle();
          }
          return this.activate_field();
        }
      }
    };

    Chosen.prototype.container_mouseup = function(evt) {
      if (evt.target.nodeName === &quot;ABBR&quot; &amp;&amp; !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 &amp;&amp; this.container.hasClassName(&quot;chosen-container-active&quot;)) {
        return this.close_field();
      }
    };

    Chosen.prototype.close_field = function() {
      this.container.ownerDocument.stopObserving(&quot;click&quot;, this.click_test_action);
      this.active_field = false;
      this.results_hide();
      this.container.removeClassName(&quot;chosen-container-active&quot;);
      this.clear_backstroke();
      this.show_search_field_default();
      return this.search_field_scale();
    };

    Chosen.prototype.activate_field = function() {
      this.container.addClassName(&quot;chosen-container-active&quot;);
      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(&quot;li.search-choice&quot;).invoke(&quot;remove&quot;);
      } else if (!this.is_multiple) {
        this.single_set_selected_text();
        if (this.disable_search || this.form_field.options.length &lt;= this.disable_search_threshold) {
          this.search_field.readOnly = true;
          this.container.addClassName(&quot;chosen-container-single-nosearch&quot;);
        } else {
          this.search_field.readOnly = false;
          this.container.removeClassName(&quot;chosen-container-single-nosearch&quot;);
        }
      }
      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(&quot;highlighted&quot;);
      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 &gt;= visible_bottom) {
        return this.search_results.scrollTop = (high_bottom - maxHeight) &gt; 0 ? high_bottom - maxHeight : 0;
      } else if (high_top &lt; 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 &amp;&amp; this.max_selected_options &lt;= this.choices_count()) {
        this.form_field.fire(&quot;chosen:maxselected&quot;, {
          chosen: this
        });
        return false;
      }
      this.container.addClassName(&quot;chosen-with-drop&quot;);
      this.results_showing = true;
      this.search_field.focus();
      this.search_field.value = this.search_field.value;
      this.winnow_results();
      return this.form_field.fire(&quot;chosen:showing_dropdown&quot;, {
        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(&quot;chosen-with-drop&quot;);
        this.form_field.fire(&quot;chosen:hiding_dropdown&quot;, {
          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(&quot;label&quot;);
      if (this.form_field_label == null) {
        this.form_field_label = $$(&quot;label[for='&quot; + this.form_field.id + &quot;']&quot;).first();
      }
      if (this.form_field_label != null) {
        return this.form_field_label.observe(&quot;click&quot;, 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 &amp;&amp; this.choices_count() &lt; 1 &amp;&amp; !this.active_field) {
        this.search_field.value = this.default_text;
        return this.search_field.addClassName(&quot;default&quot;);
      } else {
        this.search_field.value = &quot;&quot;;
        return this.search_field.removeClassName(&quot;default&quot;);
      }
    };

    Chosen.prototype.search_results_mouseup = function(evt) {
      var target;
      target = evt.target.hasClassName(&quot;active-result&quot;) ? evt.target : evt.target.up(&quot;.active-result&quot;);
      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(&quot;active-result&quot;) ? evt.target : evt.target.up(&quot;.active-result&quot;);
      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', {
        &quot;class&quot;: &quot;search-choice&quot;
      }).update(&quot;&lt;span&gt;&quot; + (this.choice_label(item)) + &quot;&lt;/span&gt;&quot;);
      if (item.disabled) {
        choice.addClassName('search-choice-disabled');
      } else {
        close_link = new Element('a', {
          href: '#',
          &quot;class&quot;: 'search-choice-close',
          rel: item.array_index
        });
        close_link.observe(&quot;click&quot;, 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(&quot;rel&quot;))) {
        this.show_search_field_default();
        if (this.is_multiple &amp;&amp; this.choices_count() &gt; 0 &amp;&amp; this.search_field.value.length &lt; 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(&quot;change&quot;);
      }
      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(&quot;abbr&quot;);
      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 &amp;&amp; this.max_selected_options &lt;= this.choices_count()) {
          this.form_field.fire(&quot;chosen:maxselected&quot;, {
            chosen: this
          });
          return false;
        }
        if (this.is_multiple) {
          high.removeClassName(&quot;active-result&quot;);
        } else {
          this.reset_single_select_options();
        }
        high.addClassName(&quot;result-selected&quot;);
        item = this.results_data[high.getAttribute(&quot;data-option-array-index&quot;)];
        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) &amp;&amp; this.is_multiple)) {
          this.results_hide();
        }
        this.show_search_field_default();
        if (typeof Event.simulate === 'function' &amp;&amp; (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex)) {
          this.form_field.simulate(&quot;change&quot;);
        }
        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(&quot;chosen-default&quot;);
      } else {
        this.single_deselect_control_build();
        this.selected_item.removeClassName(&quot;chosen-default&quot;);
      }
      return this.selected_item.down(&quot;span&quot;).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(&quot;change&quot;);
        }
        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(&quot;abbr&quot;)) {
        this.selected_item.down(&quot;span&quot;).insert({
          after: &quot;&lt;abbr class=\&quot;search-choice-close\&quot;&gt;&lt;/abbr&gt;&quot;
        });
      }
      return this.selected_item.addClassName(&quot;chosen-single-with-deselect&quot;);
    };

    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(&quot;.result-selected.active-result&quot;);
      }
      if (do_high == null) {
        do_high = this.search_results.down(&quot;.active-result&quot;);
      }
      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(&quot;chosen:no_results&quot;, {
        chosen: this
      });
    };

    Chosen.prototype.no_results_clear = function() {
      var nr, _results;
      nr = null;
      _results = [];
      while (nr = this.search_results.down(&quot;.no-results&quot;)) {
        _results.push(nr.remove());
      }
      return _results;
    };

    Chosen.prototype.keydown_arrow = function() {
      var next_sib;
      if (this.results_showing &amp;&amp; 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 &amp;&amp; !this.is_multiple) {
        return this.results_show();
      } else if (this.result_highlight) {
        sibs = this.result_highlight.previousSiblings();
        actives = this.search_results.select(&quot;li.active-result&quot;);
        prevs = sibs.intersect(actives);
        if (prevs.length) {
          return this.result_do_highlight(prevs.first());
        } else {
          if (this.choices_count() &gt; 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(&quot;a&quot;));
        return this.clear_backstroke();
      } else {
        next_available_destroy = this.search_container.siblings().last();
        if (next_available_destroy &amp;&amp; next_available_destroy.hasClassName(&quot;search-choice&quot;) &amp;&amp; !next_available_destroy.hasClassName(&quot;search-choice-disabled&quot;)) {
          this.pending_backstroke = next_available_destroy;
          if (this.pending_backstroke) {
            this.pending_backstroke.addClassName(&quot;search-choice-focus&quot;);
          }
          if (this.single_backstroke_delete) {
            return this.keydown_backstroke();
          } else {
            return this.pending_backstroke.addClassName(&quot;search-choice-focus&quot;);
          }
        }
      }
    };

    Chosen.prototype.clear_backstroke = function() {
      if (this.pending_backstroke) {
        this.pending_backstroke.removeClassName(&quot;search-choice-focus&quot;);
      }
      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 &amp;&amp; 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 &amp;&amp; !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 = &quot;position:absolute; left: -1000px; top: -1000px; display:none;&quot;;
        styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
        for (_i = 0, _len = styles.length; _i &lt; _len; _i++) {
          style = styles[_i];
          style_block += style + &quot;:&quot; + this.search_field.getStyle(style) + &quot;;&quot;;
        }
        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 &gt; f_width - 10) {
          w = f_width - 10;
        }
        return this.search_field.setStyle({
          'width': w + 'px'
        });
      }
    };

    return Chosen;

  })(AbstractChosen);

}).call(this);
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