From c54a333a0f19a2cef249108090294660cc17ff59 Mon Sep 17 00:00:00 2001
From: kavita <kavita@vertisinfotech.com>
Date: Wed, 9 Dec 2015 17:10:05 +0530
Subject: [PATCH] Fixed #797 - Tokenizing Autocomplete suggestions with key
 down and keyup, scrollbar is not moving Ref. url for issue -
 https://github.com/loopj/jquery-tokeninput/issues/797

---
 src/jquery.tokeninput.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/jquery.tokeninput.js b/src/jquery.tokeninput.js
index 4b69d823..31e2dc26 100755
--- a/src/jquery.tokeninput.js
+++ b/src/jquery.tokeninput.js
@@ -937,6 +937,19 @@
               item.addClass($(input).data("settings").classes.selectedDropdownItem);
               selected_dropdown_item = item.get(0);
           }
+          if (selected_dropdown_item) {
+            var selectedTop = $(selected_dropdown_item).offset().top,
+            selectedBottom = selectedTop + $(selected_dropdown_item).outerHeight(),
+            ddTop = $(dropdown).offset().top,
+            ddBottom = ddTop + $(dropdown).outerHeight(),
+            ddScrollTop = $(dropdown).scrollTop();
+
+            if (selectedBottom > ddBottom) {
+                $(dropdown).scrollTop(ddScrollTop + (selectedBottom - ddBottom));
+            } else if (ddTop > selectedTop) {
+                $(dropdown).scrollTop(ddScrollTop + (selectedTop - ddTop));
+            }
+          }
       }
 
       // Remove highlighting from an item in the results dropdown