bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/rules/TransformRule.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.typicals.rules;
  13
  14 import java.awt.geom.AffineTransform;
  15
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.WriteGraph;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
  20 import org.simantics.modeling.typicals.ITypicalSynchronizationRule;
  21 import org.simantics.modeling.typicals.TypicalInfo;
  22
  23 /**
  24  * @author Tuukka Lehtonen
  25  */
  26 public enum TransformRule implements ITypicalSynchronizationRule {
  27
  28     INSTANCE;
  29
  30     public static TransformRule getInstance() {
  31         return INSTANCE;
  32     }
  33
  34     @Override
  35     public boolean synchronize(WriteGraph graph, Resource template, Resource instance, TypicalInfo info) throws DatabaseException {
  36         AffineTransform at = DiagramGraphUtil.getAffineTransform(graph, template);
  37         AffineTransform copyAt = DiagramGraphUtil.getAffineTransform(graph, instance);
  38         if (!at.equals(copyAt)) {
  39             info.messageLog.add("\t\t\ttransform");
  40             DiagramGraphUtil.setTransform(graph, instance, at);
  41             return true;
  42         }
  43         return false;
  44     }
  45
  46 }