From d61dc26e122c3ec4173bbe43728a090e86985e40 Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon@moodle.com>
Date: Fri, 31 Oct 2014 13:56:48 +0800
Subject: [PATCH] MDL-47981 Grade single view: Prevent nasty scroll jumping.

---
 grade/report/singleview/js/singleview.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/grade/report/singleview/js/singleview.js b/grade/report/singleview/js/singleview.js
index 02d7be898c9..0c377b882a7 100644
--- a/grade/report/singleview/js/singleview.js
+++ b/grade/report/singleview/js/singleview.js
@@ -12,9 +12,9 @@ M.gradereport_singleview.init = function(Y) {
             };
         };
 
-        link.on('click', function() {
+        link.on('click', function(e) {
+            e.preventDefault();
             Y.all('input[name^=' + type + ']').each(toggle(link.hasClass('all')));
-            return false;
         });
     });