bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TypeGroup.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in 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.diagram.adapter;\r
  13 \r
  14 import java.util.Arrays;\r
  15 import java.util.Collection;\r
  16 import java.util.Collections;\r
  17 import java.util.HashSet;\r
  18 import java.util.Set;\r
  19 \r
  20 import org.simantics.databoard.Bindings;\r
  21 import org.simantics.db.ReadGraph;\r
  22 import org.simantics.db.RequestProcessor;\r
  23 import org.simantics.db.Resource;\r
  24 import org.simantics.db.common.primitiverequest.OrderedSet;\r
  25 import org.simantics.db.common.procedure.wrapper.SetListenerToSingleSetListener;\r
  26 import org.simantics.db.common.request.BinaryRead;\r
  27 import org.simantics.db.exception.DatabaseException;\r
  28 import org.simantics.db.procedure.SetListener;\r
  29 import org.simantics.diagram.stubs.DiagramResource;\r
  30 import org.simantics.layer0.Layer0;\r
  31 import org.simantics.scenegraph.profile.Group;\r
  32 \r
  33 /**\r
  34  * @author Tuukka Lehtonen\r
  35  */\r
  36 public class TypeGroup implements Group {\r
  37 \r
  38     private final Collection<Resource> types;\r
  39     private final String               name;\r
  40 \r
  41     public TypeGroup(String name, Resource type) {\r
  42         this(name);\r
  43     }\r
  44 \r
  45     public TypeGroup(String name, Resource... types) {\r
  46         this.types = Arrays.asList(types);\r
  47         this.name = name;\r
  48     }\r
  49 \r
  50     /**\r
  51      * Initialize TypeGroup from a DIAGRAM.Group instance.\r
  52      * \r
  53      * @param graph\r
  54      * @param group\r
  55      * @throws DatabaseException\r
  56      */\r
  57     public TypeGroup(ReadGraph graph, final Resource group) throws DatabaseException {\r
  58         Layer0 L0 = Layer0.getInstance(graph);\r
  59         DiagramResource DIA = DiagramResource.getInstance(graph);\r
  60 \r
  61         this.name = graph.getPossibleRelatedValue(group, L0.HasName, Bindings.STRING);\r
  62         this.types = graph.getObjects(group, DIA.TypeGroup_HasType);\r
  63     }\r
  64 \r
  65     @Override\r
  66     public void trackItems(RequestProcessor processor, final Resource runtimeDiagram, final SetListener<Resource> listener) {\r
  67         if (types.isEmpty()) {\r
  68             System.out.println("TypeGroup has no types!");\r
  69             return;\r
  70         }\r
  71 \r
  72         processor.asyncRequest(new BinaryRead<Resource, Collection<Resource>, Collection<Resource>>(runtimeDiagram, types) {\r
  73 \r
  74             @Override\r
  75             public Set<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  76                 HashSet<Resource> result = new HashSet<Resource>();\r
  77 \r
  78                 Resource realDiagram = graph.getPossibleObject(runtimeDiagram, DiagramResource.getInstance(graph).RuntimeDiagram_HasConfiguration);\r
  79                 if (realDiagram == null)\r
  80                     return result;\r
  81 \r
  82 //                System.out.println("looking for diagram elements of type:");\r
  83 //                for (Resource t : types)\r
  84 //                    System.out.println("\t" + NameUtils.getSafeName(graph, t, true));\r
  85 \r
  86                 Collection<Resource> elements = graph.syncRequest(new OrderedSet(realDiagram));\r
  87                 for (Resource element : elements) {\r
  88 //                    System.out.println("checking element " + NameUtils.getSafeName(graph, element, true));\r
  89                     Collection<Resource> elementTypes = graph.getTypes(element);\r
  90                     if (!Collections.disjoint(types, elementTypes))\r
  91                         result.add(element);\r
  92                 }\r
  93 \r
  94                 return result;\r
  95             }\r
  96 \r
  97         }, new SetListenerToSingleSetListener<Resource>(listener));\r
  98     }\r
  99 \r
 100     @Override\r
 101     public String toString() {\r
 102         return "every '" + name + "'";\r
 103     }\r
 104 \r
 105 }\r