From 0ef056d06609cab17b272aa7c37da4b0521199b6 Mon Sep 17 00:00:00 2001
From: Brian Teeman <brian@teeman.net>
Date: Wed, 24 Aug 2016 17:59:55 +0100
Subject: [PATCH] add documented js hacks

---
 media/jui/js/chosen.jquery.js | 64 ++++++++++++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/media/jui/js/chosen.jquery.js b/media/jui/js/chosen.jquery.js
index dcd7c17180312..efc65967c594a 100755
--- a/media/jui/js/chosen.jquery.js
+++ b/media/jui/js/chosen.jquery.js
@@ -150,6 +150,10 @@ This file is generated by `grunt build`, do not edit it by hand.
       this.mouse_on_container = false;
       this.results_showing = false;
       this.result_highlighted = null;
+      /*<JUI>*/
+      /* Original: not exist */
+      this.allow_custom_value = false;
+      /*</JUI>*/
       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;
@@ -174,6 +178,10 @@ This file is generated by `grunt build`, do not edit it by hand.
       } else {
         this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text;
       }
+      /*<JUI>*/
+      /* Original: not exist */
+      this.custom_group_text = this.form_field.getAttribute("data-custom_group_text") || this.options.custom_group_text || "Custom Value";
+      /*</JUI>*/
       return this.results_none_found = this.form_field.getAttribute("data-no_results_text") || this.options.no_results_text || AbstractChosen.default_no_result_text;
     };
 
@@ -500,7 +508,12 @@ This file is generated by `grunt build`, do not edit it by hand.
       if (this.options.width != null) {
         return this.options.width;
       } else {
+        /*<JUI>*/
+        /* Original:
         return "" + this.form_field.offsetWidth + "px";
+        */
+        return this.form_field_jq.css("width") || "" + this.form_field.offsetWidth + "px";
+        /*</JUI>*/
       }
     };
 
@@ -598,6 +611,10 @@ This file is generated by `grunt build`, do not edit it by hand.
     Chosen.prototype.setup = function() {
       this.form_field_jq = $(this.form_field);
       this.current_selectedIndex = this.form_field.selectedIndex;
+      /*<JUI>*/
+      /* Original: not exist */
+      this.allow_custom_value = this.form_field_jq.hasClass("chzn-custom-value") || this.options.allow_custom_value;
+      /*</JUI>*/
       return this.is_rtl = this.form_field_jq.hasClass("chzn-rtl");
     };
 
@@ -1036,7 +1053,13 @@ This file is generated by `grunt build`, do not edit it by hand.
     };
 
     Chosen.prototype.result_select = function(evt) {
-      var high, item;
+      /*<JUI>*/
+      /* Original:
+      var high, item, selected_index;
+      */
+      var group, high, high_id, item, option, position, value;
+      /*</JUI>*/
+
       if (this.result_highlight) {
         high = this.result_highlight;
         this.result_clear_highlight();
@@ -1074,7 +1097,46 @@ This file is generated by `grunt build`, do not edit it by hand.
         evt.preventDefault();
         return this.search_field_scale();
       }
+      /*<JUI>*/
+      /* Original: not exist */
+      else if ((!this.is_multiple) && this.allow_custom_value) {
+          value = this.search_field.val();
+          group = this.add_unique_custom_group();
+          option = $('<option value="' + 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();
+      }
+      /*</JUI>*/
+    };
+
+    /*<JUI>*/
+    /* Original: not exist */
+    Chosen.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;
+    };
+
+    Chosen.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);
     };
+    /*</JUI>*/
 
     Chosen.prototype.single_set_selected_text = function(text) {
       if (text == null) {