bundles/org.simantics.diagram/src/org/simantics/diagram/query/FlagTypeVisuals.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 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.diagram.query;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.Collections;\r
  17 import java.util.List;\r
  18 \r
  19 import org.simantics.databoard.Bindings;\r
  20 import org.simantics.db.ReadGraph;\r
  21 import org.simantics.db.Resource;\r
  22 import org.simantics.db.common.request.ResourceRead;\r
  23 import org.simantics.db.common.utils.ListUtils;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.diagram.stubs.DiagramResource;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.modeling.template2d.ontology.Template2dResource;\r
  28 import org.simantics.scenegraph.ontology.ScenegraphResources;\r
  29 \r
  30 /**\r
  31  * @author Tuukka Lehtonen\r
  32  */\r
  33 public class FlagTypeVisuals extends ResourceRead<List<FlagTypeVisual>> {\r
  34 \r
  35     public FlagTypeVisuals(Resource flagTable) {\r
  36         super(flagTable);\r
  37     }\r
  38 \r
  39     @Override\r
  40     public List<FlagTypeVisual> perform(ReadGraph g) throws DatabaseException {\r
  41         Layer0 L0 = Layer0.getInstance(g);\r
  42         ScenegraphResources SG = ScenegraphResources.getInstance(g);\r
  43 \r
  44         Resource list = g.getPossibleObject(resource, SG.Node_children);\r
  45         if (list == null || !g.isInstanceOf(list, L0.List))\r
  46             return Collections.emptyList();\r
  47 \r
  48         DiagramResource DIA = DiagramResource.getInstance(g);\r
  49         Template2dResource TEMPLATE2D = Template2dResource.getInstance(g);\r
  50 \r
  51         Collection<Resource> flagTypeVisuals = ListUtils.toList(g, list);\r
  52         List<FlagTypeVisual> result = new ArrayList<FlagTypeVisual>(flagTypeVisuals.size());\r
  53 \r
  54         for (Resource flagTypeVisual : flagTypeVisuals) {\r
  55             if (!g.isInstanceOf(flagTypeVisual, TEMPLATE2D.FlagTypeVisual))\r
  56                 continue;\r
  57 \r
  58             String reference = null;\r
  59             String pattern = null;\r
  60             Resource visualComposite = null;\r
  61 \r
  62             Collection<Resource> children = g.getObjects(flagTypeVisual, L0.ConsistsOf);\r
  63             for (Resource child : children) {\r
  64                 if (g.isInstanceOf(child, TEMPLATE2D.FlagTypeVisual_Filter)) {\r
  65                     reference = g.getPossibleRelatedValue2(child, TEMPLATE2D.FlagTypeVisual_Filter_HasProperty, Bindings.STRING);\r
  66                     pattern = g.getPossibleRelatedValue2(child, TEMPLATE2D.FlagTypeVisual_Filter_HasPattern, Bindings.STRING);\r
  67                 }\r
  68                 if (g.isInstanceOf(child, DIA.Scenegraph_Composite)) {\r
  69                     visualComposite = child;\r
  70                 }\r
  71             }\r
  72 \r
  73             if (visualComposite != null)\r
  74                 result.add( new FlagTypeVisual(flagTypeVisual, reference, pattern, visualComposite) );\r
  75         }\r
  76 \r
  77         return result;\r
  78     }\r
  79 \r
  80 }\r