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diff --git a/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/TranslateActionConstraints.java b/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/TranslateActionConstraints.java
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+++ b/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/TranslateActionConstraints.java
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+/*******************************************************************************
+ * Copyright (c) 2007- VTT Technical Research Centre of Finland.
+ * 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.Resource;
+import org.simantics.proconf.g3d.base.ConstraintDetector;
+
+
+/**
+ * Temporary class to handle "Automatic" constraints for translation
+ * TODO : create extension point / extension that can provide constraints
+ * TODO : how to override previously added constraints ?
+ * 
+ * @author Marko Luukkainen
+ *
+ */
+public class TranslateActionConstraints {
+    
+    
+    public static void addConstraints(Resource translated[], ConstraintDetector detector) {
+        detector.clearConstraints();
+        // these must be provided through extension point !
+//        if (isElbow(translated)) {
+//            addElbowConstraints(translated, detector);
+//        } else if (isPipeControlPoint(translated)) {
+//            addPipeControlPointConstraints(translated, detector);
+//        } else if (isEndComponent(translated)) {
+//        	addEndComponentConstraints(translated, detector);
+//        }
+        
+        
+    }
+    
+    /*
+     * These methods must be inserted into extension
+     */
+    
+//    private static boolean isElbow(Resource translated[]) {
+//        for (Resource r : translated) {
+//            if (!r.isInstanceOf(GlobalIdMap.get(PSK3DModelingOntologyMapping.ELBOW))) {
+//                return false;
+//            }
+//        }
+//        return true;
+//    }
+//    
+//    private static boolean isEndComponent(Resource translated[]) {
+//        for (Resource r : translated) {
+//            if (!r.isInstanceOf(GlobalIdMap.get(PSK3DModelingOntologyMapping.END_COMPONENT))) {
+//                return false;
+//            }
+//        }
+//        return true;
+//    }
+//    
+//    private static boolean isPipeControlPoint(Resource translated[]) {
+//        for (Resource r : translated) {
+//            if (!r.isInstanceOf(GlobalIdMap.get(PSK3DModelingOntologyMapping.PIPE_CONTROL_POINT))) {
+//                return false;
+//            }
+//        }
+//        return true;
+//    }
+//    
+//    private static void addElbowConstraints(Resource translated[], ConstraintDetector detector) {
+//        Set<Resource> res = new HashSet<Resource>();
+//        // add all controlpoints connected to every elbow's controlpoint
+//        for (Resource r : translated) {
+//            Elbow elbow = ElbowFactory.create(r);
+//            PipeControlPoint p = elbow.getHasControlPoint();
+//            PipeControlPoint next = PipingTools.findNextEnd(p);
+//            PipeControlPoint previous = PipingTools.findPreviousEnd(p);
+//            if (next != null)
+//                res.add(next.getResource());
+//            if (previous != null)
+//                res.add(previous.getResource());
+//            
+//        }
+//        // remove all controlpoints that are elbows' controlpoints
+//        for (Resource r : translated) {
+//            Elbow elbow = ElbowFactory.create(r);
+//            res.remove(elbow.getHasControlPoint().getResource());
+//        }
+//        for (Resource r : res) {
+//            PipeControlPoint p = PipeControlPointFactory.create(r);
+//            detector.addContraintPoint(GraphicsNodeTools.getPoint(p.getLocalPosition()));
+//        }
+//    }
+//    
+//    private static void addEndComponentConstraints(Resource translated[], ConstraintDetector detector) {
+//        Set<Resource> res = new HashSet<Resource>();
+//        // add all controlpoints connected to every elbow's controlpoint
+//        for (Resource r : translated) {
+//            EndComponent elbow = EndComponentFactory.create(r);
+//            PipeControlPoint p = elbow.getHasControlPoint();
+//            PipeControlPoint next = PipingTools.findNextEnd(p);
+//            PipeControlPoint previous = PipingTools.findPreviousEnd(p);
+//            if (next != null)
+//                res.add(next.getResource());
+//            if (previous != null)
+//                res.add(previous.getResource());
+//            
+//        }
+//        // remove all controlpoints that are elbows' controlpoints
+//        for (Resource r : translated) {
+//        	EndComponent elbow = EndComponentFactory.create(r);
+//            res.remove(elbow.getHasControlPoint().getResource());
+//        }
+//        for (Resource r : res) {
+//            PipeControlPoint p = PipeControlPointFactory.create(r);
+//            detector.addContraintPoint(GraphicsNodeTools.getPoint(p.getLocalPosition()));
+//        }
+//    }
+//    
+//    
+//    private static void addPipeControlPointConstraints(Resource translated[], ConstraintDetector detector) {
+//        Set<Resource> res = new HashSet<Resource>();
+//        // add all controlpoints connected to every elbow's controlpoint
+//        for (Resource r : translated) {
+//            PipeControlPoint p = PipeControlPointFactory.create(r);
+//            PipeControlPoint next = PipingTools.findNextEnd(p);
+//            PipeControlPoint previous = PipingTools.findPreviousEnd(p);
+//            if (next != null)
+//                res.add(next.getResource());
+//            if (previous != null)
+//                res.add(previous.getResource());
+//            
+//        }
+//        // remove all controlpoints that are elbows' controlpoints
+//        for (Resource r : translated) {
+//            res.remove(r);
+//        }
+//        for (Resource r : res) {
+//            PipeControlPoint p = PipeControlPointFactory.create(r);
+//            detector.addContraintPoint(GraphicsNodeTools.getPoint(p.getLocalPosition()));
+//        }
+//    }
+
+}