X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.proconf.g3d%2Fsrc%2Forg%2Fsimantics%2Fproconf%2Fg3d%2Fbase%2FSelectionAdapter.java;h=f3f9df914585e1a7f63be1a2cd93083bf4e84747;hb=87cee3d9fefb2d9d238527b6fd5267e215eb1960;hp=22b6bc6efdbdc7393b588b699cc8f3103a0b0b82;hpb=f0c68c79e94801e057802556c16281d5c92400b5;p=simantics%2F3d.git

diff --git a/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/SelectionAdapter.java b/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/SelectionAdapter.java
index 22b6bc6e..f3f9df91 100644
--- a/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/SelectionAdapter.java
+++ b/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/SelectionAdapter.java
@@ -43,6 +43,8 @@ public abstract class SelectionAdapter implements ISelectionProvider{
 	private Gizmo currentGizmo = null;
 	
 	public SelectionAdapter(ScenegraphAdapter adapter) {
+		if (adapter == null)
+			throw new NullPointerException("Scenegraph adapter must no be null");
 		this.adapter = adapter;
 	}
 	
@@ -393,7 +395,11 @@ public abstract class SelectionAdapter implements ISelectionProvider{
      * @param s
      * @return the filtered selection
      */
-    protected abstract StructuredResourceSelection filterSelection(ISelection s);
+    protected StructuredResourceSelection filterSelection(ISelection s) {
+    	if (!(selection instanceof StructuredResourceSelection))
+			return new StructuredResourceSelection();
+		return (StructuredResourceSelection) selection;
+    }
 
     /**
      * Updates visual part of selection event. Use getCurrentSelection() to get