Fix selectPath returning true for nodes that haven't been loaded.

[simantics/platform.git] / bundles / org.simantics.browsing.ui.swt / src / org / simantics / browsing / ui / swt / GraphExplorerImpl.java

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 0e45f86ca4843fe53233ecec6217a07026ee4954..817a8d961022934a251be2ad1086821a024b7b03 100644 (file)
--- 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);