bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/chart/property/AvailableTemplateFactory.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 java.util.Collections;
  15 import java.util.Map;
  16 import java.util.TreeMap;
  17
  18 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;
  19 import org.simantics.charts.ontology.ChartResource;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.db.layer0.adapter.Instances;
  24 import org.simantics.db.layer0.request.PossibleModel;
  25 import org.simantics.layer0.Layer0;
  26
  27 /**
  28  * @author Tuukka Lehtonen
  29  */
  30 public class AvailableTemplateFactory extends ReadFactoryImpl<Resource, Map<String, Object>> {
  31
  32     @Override
  33     public Map<String, Object> perform(ReadGraph graph, Resource input) throws DatabaseException {
  34         Layer0 L0 = Layer0.getInstance(graph);
  35         ChartResource CHART = ChartResource.getInstance(graph);
  36         Instances query = graph.adapt(CHART.ChartTemplate, Instances.class);
  37         Resource model = graph.syncRequest(new PossibleModel(input));
  38         if (model == null)
  39             return Collections.emptyMap();
  40         Map<String, Object> result = new TreeMap<String, Object>();
  41         for (Resource template : query.find(graph, model)) {
  42             if (!graph.isInstanceOf(template, CHART.ChartTemplate))
  43                 continue;
  44             String label = graph.getPossibleRelatedAdapter(template, L0.HasLabel, String.class);
  45             if (label != null)
  46                 result.put(label, template);
  47         }
  48         return result;
  49     }
  50
  51 }