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diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/e4/EditStyleHandler.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/e4/EditStyleHandler.java
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index 000000000..97b3038d5
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+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/e4/EditStyleHandler.java
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * 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.modeling.ui.actions.e4;
+
+import java.util.Arrays;
+import java.util.List;
+
+import javax.inject.Named;
+
+import org.eclipse.e4.core.contexts.Active;
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.common.utils.RequestUtil;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.modeling.ui.actions.style.EditStyle;
+import org.simantics.modeling.ui.diagramEditor.DiagramEditor;
+import org.simantics.ui.SimanticsUI;
+import org.simantics.ui.utils.ResourceAdaptionUtils;
+
+/**
+ * Style Edit
+ * 
+ * TODO : should we have extension point for expanding styles?
+ * TODO : default ColorChooser is not suitable for this task
+ * TODO : how to store MetricsFormat template list
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class EditStyleHandler {
+
+    private Resource[] lastResources = Resource.NONE;
+    private boolean cachedCanExecute;
+
+    @CanExecute
+    public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection s, @Active MPart part) throws DatabaseException, InterruptedException {
+        if (!(part.getObject() instanceof CompatibilityEditor))
+            return false;
+        CompatibilityEditor editor = (CompatibilityEditor) part.getObject();
+        if (!(editor.getPart() instanceof DiagramEditor))
+            return false;
+        if (s == null)
+            return false;
+
+        final Resource[] resources = ResourceAdaptionUtils.toResources(s);
+        if (resources.length != 0) {
+            if (!Arrays.equals(resources, lastResources)) {
+                lastResources = resources;
+                cachedCanExecute = areStyleProviders(resources);
+            }
+            return cachedCanExecute;
+        }
+        return false;
+    }
+
+    private static boolean areStyleProviders(Resource[] resources) throws DatabaseException, InterruptedException {
+        return RequestUtil.trySyncRequest(
+                Simantics.getSession(),
+                SimanticsUI.UI_THREAD_REQUEST_START_TIMEOUT,
+                SimanticsUI.UI_THREAD_REQUEST_EXECUTION_TIMEOUT,
+                false,
+                new StyleProviderCheck(Arrays.asList(resources)));
+    }
+
+    private static class StyleProviderCheck extends UnaryRead<List<Resource>, Boolean> {
+
+        public StyleProviderCheck(List<Resource> parameter) {
+            super(parameter);
+        }
+
+        @Override
+        public Boolean perform(ReadGraph graph) throws DatabaseException {
+            DiagramResource DIA = DiagramResource.getInstance(graph);
+            // Find what kind of styles selected objects support
+            for (Resource r : parameter)
+                if (!graph.isInstanceOf(r, DIA.StyleProvider))
+                    return false;
+            return true;
+        }
+
+    }
+
+    @Execute
+    public void execute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection s) {
+        final Resource[] resources = ResourceAdaptionUtils.toResources(s);
+        if (resources.length != 0)
+            EditStyle.openStyleDialog(resources);
+    }
+
+}