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diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/SuperTypeOfViewpointFactory.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/SuperTypeOfViewpointFactory.java
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+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/SuperTypeOfViewpointFactory.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.graph.impl;
+
+import java.util.Collection;
+import java.util.function.Consumer;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
+import org.simantics.browsing.ui.DataSource;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.common.NodeContextUtil;
+import org.simantics.browsing.ui.common.viewpoints.LazyContainerViewpoint;
+import org.simantics.browsing.ui.content.Viewpoint;
+import org.simantics.browsing.ui.content.ViewpointFactory;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+public class SuperTypeOfViewpointFactory implements ViewpointFactory {
+
+    @Override
+    public Viewpoint create(final PrimitiveQueryUpdater updater, final NodeContext context, final ViewpointKey key) {
+        assert(updater != null);
+        assert(context != null);
+
+        final LazyContainerViewpoint result = new LazyContainerViewpoint();
+
+        DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);
+        if (source == null)
+            return result;
+
+        final Resource inputResource = (Resource) context.getConstant(BuiltinKeys.INPUT);
+        assert(inputResource != null);
+
+        source.schedule(new Consumer<ReadGraph>() {
+            @Override
+            public void accept(ReadGraph source) {
+            	try {
+	                Collection<Resource> children = source.getObjects(inputResource, Layer0.getInstance(source).SupertypeOf);
+	                NodeContext[] resultContexts = NodeContextUtil.toContextsWithInput(children);
+	                result.setChildren(updater, resultContexts);
+	                result.setHasChildren(resultContexts.length > 0);
+	
+	                updater.scheduleReplace(context, key, result);
+            	} catch (DatabaseException e) {
+            		
+            	}
+            }
+        });
+
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "Subtypes";
+    }
+
+}