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diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/ActionContribution.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/ActionContribution.java
new file mode 100644
index 000000000..767b07ecb
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+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/ActionContribution.java
@@ -0,0 +1,127 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 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.model.actions;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.model.nodetypes.NodeType;
+import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;
+import org.simantics.browsing.ui.model.tests.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.ActionFactory;
+import org.simantics.db.layer0.adapter.ActionFactory2;
+import org.simantics.viewpoint.ontology.ViewpointResource;
+
+public class ActionContribution {
+	
+	Resource rule;
+    NodeType nodeType;
+    Test isVisible;
+    Test isEnabled;
+    String label;
+    ActionFactory actionFactory;
+    IActionCategory category;
+    ImageDescriptor image;
+    
+    public ActionContribution(Resource rule, NodeType nodeType, Test isVisible,
+            Test isEnabled, String label,
+            ActionFactory actionFactory, IActionCategory category,
+            ImageDescriptor image) {
+    	this.rule = rule;
+        this.nodeType = nodeType;
+        this.isVisible = isVisible;
+        this.isEnabled = isEnabled;
+        this.label = label;
+        this.actionFactory = actionFactory;
+        this.category = category;
+        this.image = image;
+    }
+    
+    public static void load(ReadGraph g, Resource r, NodeTypeMultiMap<ActionContribution> contributions) throws DatabaseException {
+        ViewpointResource vr = ViewpointResource.getInstance(g);
+        
+        Resource isVisibleResource = g.getPossibleObject(r, vr.ActionContribution_IsVisibleIf);
+        Test isVisible = isVisibleResource == null ? null : g.adapt(isVisibleResource, Test.class);
+
+        Resource isEnabledResource = g.getPossibleObject(r, vr.ActionContribution_IsEnabledIf);
+        Test isEnabled = isEnabledResource == null ? null : g.adapt(isEnabledResource, Test.class);
+        
+        String label = NameUtils.getSafeLabel(g, r);
+        
+        ActionFactory actionFactory = g.adapt(g.getSingleObject(r, vr.ActionContribution_HasAction), ActionFactory.class);
+        
+        Resource categoryResource = g.getPossibleObject(r, vr.ActionContribution_HasCategory);
+        IActionCategory category = categoryResource == null ? null : g.adapt(categoryResource, IActionCategory.class);
+                 
+        Resource imageResource = g.getPossibleObject(r, vr.ActionContribution_HasImage);
+        ImageDescriptor image = imageResource == null ? null : g.adapt(imageResource, ImageDescriptor.class);
+
+        for(Resource nodeTypeResource : g.getObjects(r, vr.ActionContribution_HasNodeType)) {
+            NodeType nodeType = g.adapt(nodeTypeResource, NodeType.class);
+            
+            ActionContribution contribution = 
+                new ActionContribution(r, nodeType, isVisible, isEnabled, label, actionFactory, category, image);
+            contributions.put(nodeType, contribution);    
+        }        
+    }
+    
+    public static class ActionContributionAction extends Action {
+    	
+    	public Resource contribution;
+    	public Runnable runnable;
+    	
+    	public ActionContributionAction(String label, Resource rule, Runnable runnable) {
+    		super(label);
+    		this.contribution = rule;
+    		this.runnable = runnable;
+    	}
+    	
+        @Override
+        public void run() {
+            runnable.run();
+        }
+    	
+    }
+
+    public CategorizedAction getAction(ReadGraph graph, NodeContext context, Collection<NodeContext> all) {
+        Object content = context.getConstant(BuiltinKeys.INPUT);
+        try {
+            if(isVisible == null || isVisible.test(graph, content)) {
+            	Collection<Object> allContents = new ArrayList<Object>();
+            	for(NodeContext ctx : all) allContents.add(ctx.getConstant(BuiltinKeys.INPUT));
+            	final Runnable runnable = (actionFactory instanceof ActionFactory2) ? 
+            			((ActionFactory2)actionFactory).create(allContents) : actionFactory.create(content);
+            	if(runnable == null) return null;
+            	Action action = new ActionContributionAction(label, rule, runnable);
+                action.setId(runnable.getClass().getName());
+                action.setEnabled(isEnabled == null || isEnabled.test(graph, content));
+                if(image != null)
+                    action.setImageDescriptor(image);
+                return new CategorizedAction(action, category);
+            }
+            else
+                return null;
+        } catch(DatabaseException e) {
+        	Logger.defaultLogError(e);
+            return null;
+        }
+    }
+}