bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/chart/property/CurrentTemplateFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 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.ui.chart.property;
  13
  14 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;
  15 import org.simantics.db.ReadGraph;
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.layer0.Layer0;
  19 import org.simantics.operation.Layer0X;
  20
  21 /**
  22  * @author Tuukka Lehtonen
  23  */
  24 public class CurrentTemplateFactory extends ReadFactoryImpl<Resource, String> {
  25
  26         @Override
  27         public String perform(ReadGraph graph, Resource monitor) throws DatabaseException {
  28
  29                 Layer0 L0 = Layer0.getInstance(graph);
  30                 Layer0X L0X = Layer0X.getInstance(graph);
  31                 Resource template = graph.getPossibleObject(monitor, L0X.ObtainsProperty);
  32                 if (template != null) {
  33                         return graph.getPossibleRelatedAdapter(template, L0.HasLabel, String.class);
  34                 } else {
  35                         return null;
  36                 }
  37
  38         }
  39
  40 }