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diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/TypeIndexStructureViewpointFactory.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/TypeIndexStructureViewpointFactory.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 org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
+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;
+
+public class TypeIndexStructureViewpointFactory implements ViewpointFactory {
+
+    @Override
+    public Viewpoint create(final PrimitiveQueryUpdater provider, final NodeContext context, final ViewpointKey key) {
+        assert (provider != null);
+        assert (context != null);
+
+        final LazyContainerViewpoint result = new LazyContainerViewpoint();
+
+        final TypeIndex index = (TypeIndex) context.getConstant(BuiltinKeys.INPUT);
+        assert (index != null);
+
+        NodeContext[] resultContexts = NodeContextUtil.toContextsWithInput(index.instances);
+
+        result.setChildren(provider, resultContexts);
+        result.setHasChildren(resultContexts.length > 0);
+
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "Structure by types";
+    }
+
+}