From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Thu, 25 Aug 2016 09:39:18 +0000 (+0300)
Subject: Fetched r33145 from svn.
X-Git-Tag: v1.25.0~156^2
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=ccc1271c9d6657fb9dcf4cf3cb115fa0c8cb9589;p=simantics%2Fplatform.git

Fetched r33145 from svn.

refs #6475
---

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java
index 26e443103..71e9dd113 100644
--- a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java
@@ -42,6 +42,8 @@ public class GraphExplorerToolTip extends ToolTip {
     @Override
     protected boolean shouldCreateToolTip(Event event) {
         TreeItem treeItem = parent.getItem(new Point(event.x, event.y));
+        if (treeItem == null)
+            return false;
         GENodeQueryManager manager = new GENodeQueryManager(explorerContext, null, null, TreeItemReference.create(treeItem.getParentItem()));
         nodeContext = (NodeContext) treeItem.getData();
         labeler = manager.query(nodeContext, BuiltinKeys.SELECTED_LABELER);