From d16cf5f3daaebe1f019b29a801a259780bd2015a Mon Sep 17 00:00:00 2001
From: Patrick Filler <pf@patrickfiller.com>
Date: Wed, 13 Jul 2011 12:11:44 -0400
Subject: [PATCH] Clear highlight on backspace.

---
 chosen/chosen.jquery.js     | 1 +
 chosen/chosen.proto.js      | 6 ++++--
 coffee/chosen.jquery.coffee | 1 +
 coffee/chosen.proto.coffee  | 1 +
 4 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/chosen/chosen.jquery.js b/chosen/chosen.jquery.js
index b889d63..b2f4016 100644
--- a/chosen/chosen.jquery.js
+++ b/chosen/chosen.jquery.js
@@ -600,6 +600,7 @@
           if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
             return this.keydown_backstroke();
           } else if (!this.pending_backstroke) {
+            this.result_clear_highlight();
             return this.results_search();
           }
           break;
diff --git a/chosen/chosen.proto.js b/chosen/chosen.proto.js
index 27452b7..6ba1706 100644
--- a/chosen/chosen.proto.js
+++ b/chosen/chosen.proto.js
@@ -608,6 +608,7 @@
           if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
             return this.keydown_backstroke();
           } else if (!this.pending_backstroke) {
+            this.result_clear_highlight();
             return this.results_search();
           }
           break;
@@ -649,13 +650,14 @@
       }
     };
     Chosen.prototype.search_field_scale = function() {
-      var dd_top, div, h, style, style_block, styles, w;
+      var dd_top, div, 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 (style in styles) {
+        for (_i = 0, _len = styles.length; _i < _len; _i++) {
+          style = styles[_i];
           style_block += style + ":" + this.search_field.getStyle(style) + ";";
         }
         div = new Element('div', {
diff --git a/coffee/chosen.jquery.coffee b/coffee/chosen.jquery.coffee
index e974c2d..4d1e79e 100644
--- a/coffee/chosen.jquery.coffee
+++ b/coffee/chosen.jquery.coffee
@@ -531,6 +531,7 @@ class Chosen
         if @is_multiple and @backstroke_length < 1 and @choices > 0
           this.keydown_backstroke()
         else if not @pending_backstroke
+          this.result_clear_highlight()
           this.results_search()
       when 13
         evt.preventDefault()
diff --git a/coffee/chosen.proto.coffee b/coffee/chosen.proto.coffee
index 3a8a5ac..c26643b 100644
--- a/coffee/chosen.proto.coffee
+++ b/coffee/chosen.proto.coffee
@@ -516,6 +516,7 @@ class Chosen
         if @is_multiple and @backstroke_length < 1 and @choices > 0
           this.keydown_backstroke()
         else if not @pending_backstroke
+          this.result_clear_highlight()
           this.results_search()
       when 13
         evt.preventDefault()