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   1  (function($, Chosen, AbstractChosen) {
   2      $.fn.jchosen = function (options) {
   3          if (!AbstractChosen.browser_is_supported()) {
   4              return this;
   5          }
   6          return this.each(function (input_field) {
   7              var $this, chosen;
   8              $this = $(this);
   9              chosen = $this.data('chosen');
  10              if (options === 'destroy') {
  11                  if (chosen instanceof JoomlaChosen) {
  12                      chosen.destroy();
  13                  }
  14                  return;
  15              }
  16              if (!(chosen instanceof JoomlaChosen)) {
  17                  $this.data('chosen', new JoomlaChosen(this, options));
  18              }
  19          });
  20      };
  21  
  22      JoomlaChosen = (function (_super) {
  23          var __hasProp = {}.hasOwnProperty,
  24          __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; };
  25          __extends(JoomlaChosen, _super);
  26  
  27          function JoomlaChosen() {
  28              _ref = JoomlaChosen.__super__.constructor.apply(this, arguments);
  29              return _ref;
  30          }
  31  
  32          JoomlaChosen.prototype.setup = function () {
  33              var return_value;
  34              return_value = JoomlaChosen.__super__.setup.apply(this, arguments);
  35              this.allow_custom_value = this.form_field_jq.hasClass("chosen-custom-value") || this.options.allow_custom_value;
  36              this.custom_value_prefix = this.form_field_jq.attr("data-custom_value_prefix") || this.custom_value_prefix;
  37  
  38              return return_value;
  39          };
  40  
  41          JoomlaChosen.prototype.set_default_text = function () {
  42              this.custom_group_text = this.form_field.getAttribute("data-custom_group_text") || this.options.custom_group_text || "Custom Value";
  43  
  44              return JoomlaChosen.__super__.set_default_text.apply(this, arguments);
  45          };
  46  
  47          JoomlaChosen.prototype.result_select = function (evt) {
  48              var group, option, value;
  49  
  50              if (!this.result_highlight && (!this.is_multiple) && this.allow_custom_value) {
  51                  value = this.search_field.val();
  52                  group = this.add_unique_custom_group();
  53                  option = $('<option value="' + this.custom_value_prefix + value + '">' + value + '</option>');
  54                  group.append(option);
  55                  this.form_field_jq.append(group);
  56                  this.form_field.options[this.form_field.options.length - 1].selected = true;
  57                  if (!evt.metaKey) {
  58                      this.results_hide();
  59                  }
  60                  return this.results_build();
  61              }
  62  
  63              return JoomlaChosen.__super__.result_select.apply(this, arguments);
  64          };
  65  
  66          JoomlaChosen.prototype.find_custom_group = function () {
  67              var found, group, _i, _len, _ref;
  68              _ref = $('optgroup', this.form_field);
  69              for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  70                  group = _ref[_i];
  71                  if (group.getAttribute('label') === this.custom_group_text) {
  72                      found = group;
  73                  }
  74              }
  75              return found;
  76          };
  77  
  78          JoomlaChosen.prototype.add_unique_custom_group = function () {
  79              var group;
  80              group = this.find_custom_group();
  81              if (!group) {
  82                  group = $('<optgroup label="' + this.custom_group_text + '"></optgroup>');
  83              }
  84              return $(group);
  85          };
  86  
  87          /**
  88           * We choose to override this function so deliberately don't call super
  89           */
  90          JoomlaChosen.prototype.container_width = function () {
  91              if (this.options.width != null) {
  92                  return this.options.width;
  93              } else {
  94                  // Original: return "" + this.form_field.offsetWidth + "px";
  95                  return this.form_field_jq.css("width") || "" + this.form_field.offsetWidth + "px";
  96              }
  97          };
  98  
  99          return JoomlaChosen;
 100  
 101      })(Chosen);
 102  })(jQuery, document.Chosen, document.AbstractChosen);