From d56f43092be88d5cfdaae2b5602609003fb0d3b9 Mon Sep 17 00:00:00 2001
From: Igor Vaynberg <igor.vaynberg@gmail.com>
Date: Sat, 9 Feb 2013 00:45:14 -0800
Subject: [PATCH] introduce highlight event. fixes #529. fixes #762

---
 select2.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/select2.js b/select2.js
index 09d6da1d..e2fd91e7 100644
--- a/select2.js
+++ b/select2.js
@@ -1180,7 +1180,9 @@ the specific language governing permissions and limitations under the Apache Lic
 
         // abstract
         highlight: function (index) {
-            var choices = this.findHighlightableChoices();
+            var choices = this.findHighlightableChoices(),
+                choice,
+                data;
 
             if (arguments.length === 0) {
                 return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
@@ -1191,8 +1193,15 @@ the specific language governing permissions and limitations under the Apache Lic
 
             this.results.find(".select2-highlighted").removeClass("select2-highlighted");
 
-            $(choices[index]).addClass("select2-highlighted");
+            choice = $(choices[index]);
+            choice.addClass("select2-highlighted");
+
             this.ensureHighlightVisible();
+
+            data = choice.data("select2-data");
+            if (data) {
+                this.opts.element.trigger({ type: "highlight", val: this.id(data), choice: data });
+            }
         },
 
         // abstract