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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.ui.chart.property;\r
  13 \r
  14 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
  15 import org.simantics.db.ReadGraph;\r
  16 import org.simantics.db.Resource;\r
  17 import org.simantics.db.exception.DatabaseException;\r
  18 import org.simantics.layer0.Layer0;\r
  19 import org.simantics.operation.Layer0X;\r
  20 \r
  21 /**\r
  22  * @author Tuukka Lehtonen\r
  23  */\r
  24 public class CurrentTemplateFactory extends ReadFactoryImpl<Resource, String> {\r
  25 \r
  26         @Override\r
  27         public String perform(ReadGraph graph, Resource monitor) throws DatabaseException {\r
  28                 \r
  29                 Layer0 L0 = Layer0.getInstance(graph);\r
  30                 Layer0X L0X = Layer0X.getInstance(graph);\r
  31                 Resource template = graph.getPossibleObject(monitor, L0X.ObtainsProperty);\r
  32                 if (template != null) {\r
  33                         return graph.getPossibleRelatedAdapter(template, L0.HasLabel, String.class);\r
  34                 } else {\r
  35                         return null;\r
  36                 }\r
  37                 \r
  38         }\r
  39         \r
  40 }\r