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