first commit

media/legacy/js/joomla-chosen.js

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+(function($, Chosen, AbstractChosen) {
+    $.fn.jchosen = function (options) {
+        if (!AbstractChosen.browser_is_supported()) {
+            return this;
+        }
+        return this.each(function (input_field) {
+            var $this, chosen;
+            $this = $(this);
+            chosen = $this.data('chosen');
+            if (options === 'destroy') {
+                if (chosen instanceof JoomlaChosen) {
+                    chosen.destroy();
+                }
+                return;
+            }
+            if (!(chosen instanceof JoomlaChosen)) {
+                $this.data('chosen', new JoomlaChosen(this, options));
+            }
+        });
+    };
+
+    JoomlaChosen = (function (_super) {
+        var __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; };
+        __extends(JoomlaChosen, _super);
+
+        function JoomlaChosen() {
+            _ref = JoomlaChosen.__super__.constructor.apply(this, arguments);
+            return _ref;
+        }
+
+        JoomlaChosen.prototype.setup = function () {
+            var return_value;
+            return_value = JoomlaChosen.__super__.setup.apply(this, arguments);
+            this.allow_custom_value = this.form_field_jq.hasClass("chosen-custom-value") || this.options.allow_custom_value;
+            this.custom_value_prefix = this.form_field_jq.attr("data-custom_value_prefix") || this.custom_value_prefix;
+
+            return return_value;
+        };
+
+        JoomlaChosen.prototype.set_default_text = function () {
+            this.custom_group_text = this.form_field.getAttribute("data-custom_group_text") || this.options.custom_group_text || "Custom Value";
+
+            return JoomlaChosen.__super__.set_default_text.apply(this, arguments);
+        };
+
+        JoomlaChosen.prototype.result_select = function (evt) {
+            var group, option, value;
+
+            if (!this.result_highlight && (!this.is_multiple) && this.allow_custom_value) {
+                value = this.search_field.val();
+                group = this.add_unique_custom_group();
+                option = $('<option value="' + this.custom_value_prefix + value + '">' + value + '</option>');
+                group.append(option);
+                this.form_field_jq.append(group);
+                this.form_field.options[this.form_field.options.length - 1].selected = true;
+                if (!evt.metaKey) {
+                    this.results_hide();
+                }
+                return this.results_build();
+            }
+
+            return JoomlaChosen.__super__.result_select.apply(this, arguments);
+        };
+
+        JoomlaChosen.prototype.find_custom_group = function () {
+            var found, group, _i, _len, _ref;
+            _ref = $('optgroup', this.form_field);
+            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+                group = _ref[_i];
+                if (group.getAttribute('label') === this.custom_group_text) {
+                    found = group;
+                }
+            }
+            return found;
+        };
+
+        JoomlaChosen.prototype.add_unique_custom_group = function () {
+            var group;
+            group = this.find_custom_group();
+            if (!group) {
+                group = $('<optgroup label="' + this.custom_group_text + '"></optgroup>');
+            }
+            return $(group);
+        };
+
+        /**
+         * We choose to override this function so deliberately don't call super
+         */
+        JoomlaChosen.prototype.container_width = function () {
+            if (this.options.width != null) {
+                return this.options.width;
+            } else {
+                // Original: return "" + this.form_field.offsetWidth + "px";
+                return this.form_field_jq.css("width") || "" + this.form_field.offsetWidth + "px";
+            }
+        };
+
+        return JoomlaChosen;
+
+    })(Chosen);
+})(jQuery, document.Chosen, document.AbstractChosen);