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diff --git a/dev/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/actions/WriteAction.java b/dev/org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/actions/WriteAction.java
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@@ -0,0 +1,61 @@
+/*******************************************************************************
+ * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
+ * 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.proconf.g3d.actions;
+
+import org.simantics.db.Graph;
+import org.simantics.db.GraphRequest;
+import org.simantics.db.GraphRequestAdapter;
+import org.simantics.db.GraphRequestStatus;
+import org.simantics.db.Session;
+import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;
+
+public abstract class WriteAction extends ContextAction {
+	boolean sync;
+	public WriteAction(ThreeDimensionalEditorBase parent, boolean sync) {
+		super(parent);
+		this.sync = sync;
+	}
+
+	@Override
+	public final void run() {
+		Session session = parent.getSession();
+		if(!canActivate()) {
+			return;
+		}
+		GraphRequest r = new GraphRequestAdapter() {
+			@Override
+			public GraphRequestStatus perform(Graph g) throws Exception {
+				return doChanges(g);
+			}
+			
+			@Override
+			public void requestCompleted(GraphRequestStatus status) {
+				afterChanges(status);
+			}
+		};
+		if (sync) {
+			session.syncWrite(r);
+		} else {
+			session.asyncWrite(r);
+		} 
+	}
+	
+	public abstract GraphRequestStatus doChanges(Graph graph) throws Exception;
+	
+	public void afterChanges(GraphRequestStatus status) {
+		
+	}
+	
+	public boolean canActivate() {
+		return true;
+	}
+
+}