From 6dd035a5af40a3a5c32ccfde23ebc57d69cd7cbe Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Sun, 19 Oct 2014 18:37:11 -0400
Subject: [PATCH] prevent crash if topic graph is clicked while not loaded

---
 public/src/admin/general/dashboard.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/public/src/admin/general/dashboard.js b/public/src/admin/general/dashboard.js
index 79b6343681..9165d53938 100644
--- a/public/src/admin/general/dashboard.js
+++ b/public/src/admin/general/dashboard.js
@@ -293,7 +293,9 @@ define('admin/general/dashboard', ['semver'], function(semver) {
 		graphs.topics = new Chart(topicsCtx).Doughnut([], {responsive: true});
 		topicsCanvas.onclick = function(evt){
 			var obj = graphs.topics.getSegmentsAtEvent(evt);
-			window.open(RELATIVE_PATH + '/topic/' + obj[0].tid);
+			if (obj && obj[0]) {
+				window.open(RELATIVE_PATH + '/topic/' + obj[0].tid);
+			}
 		};
 
 		intervals.graphs = setInterval(updateTrafficGraph, 15000);