X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FGraphExplorerImpl.java;h=817a8d961022934a251be2ad1086821a024b7b03;hb=8e1c90e164fe327868d4e9caefe9f993ebc80ee5;hp=0e45f86ca4843fe53233ecec6217a07026ee4954;hpb=c26409b1caf2f1e560d37c5befd11b442399c3fe;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerImpl.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerImpl.java
index 0e45f86ca..817a8d961 100644
--- a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerImpl.java
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerImpl.java
@@ -114,6 +114,7 @@ import org.simantics.browsing.ui.PrimitiveQueryProcessor;
 import org.simantics.browsing.ui.SelectionDataResolver;
 import org.simantics.browsing.ui.SelectionFilter;
 import org.simantics.browsing.ui.StatePersistor;
+import org.simantics.browsing.ui.common.AdaptableHintContext;
 import org.simantics.browsing.ui.common.ColumnKeys;
 import org.simantics.browsing.ui.common.ErrorLogger;
 import org.simantics.browsing.ui.common.NodeContextBuilder;
@@ -3117,7 +3118,10 @@ class GraphExplorerImpl extends GraphExplorerImplBase implements Listener, Graph
     	//System.out.println("NodeContext path : " + contexts);
 
     	NodeContext head = tryFind(contexts[position]);
-
+    	// tryFind may return null for positions, that actually have NodeContext. 
+    	if (head == null)
+    	    return false;
+    	
     	if(position == contexts.length-1) {
     		return select(head);