org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElementFactory.java

   1 package org.simantics.district.network.ui.adapters;\r
   2 \r
   3 import java.awt.geom.Path2D;\r
   4 \r
   5 import org.simantics.db.AsyncReadGraph;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.procedure.AsyncProcedure;\r
  10 import org.simantics.diagram.adapter.SyncElementFactory;\r
  11 import org.simantics.diagram.stubs.DiagramResource;\r
  12 import org.simantics.diagram.ui.DiagramModelHints;\r
  13 import org.simantics.district.network.ontology.DistrictNetworkResource;\r
  14 import org.simantics.district.network.ui.DistrictNetworkEdge;\r
  15 import org.simantics.g2d.canvas.ICanvasContext;\r
  16 import org.simantics.g2d.diagram.IDiagram;\r
  17 import org.simantics.g2d.element.ElementClass;\r
  18 import org.simantics.g2d.element.IElement;\r
  19 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;\r
  20 \r
  21 public class DistrictNetworkEdgeElementFactory extends SyncElementFactory {\r
  22 \r
  23     public static final ElementClass CLASS = DistrictNetworkEdgeElement.CLASS;\r
  24     \r
  25     private DistrictNetworkResource DN;\r
  26     private DiagramResource DIA;\r
  27     \r
  28     public DistrictNetworkEdgeElementFactory(ReadGraph graph) {\r
  29         this.DN = DistrictNetworkResource.getInstance(graph);\r
  30         this.DIA = DiagramResource.getInstance(graph);\r
  31     }\r
  32     \r
  33     @Override\r
  34     public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure) {\r
  35         procedure.execute(graph, CLASS.newClassWith(false, new StaticObjectAdapter(elementType)));\r
  36     }\r
  37     \r
  38     @Override\r
  39     protected Resource getElementClassBaseType(AsyncReadGraph graph) {\r
  40         return DN.Edge;\r
  41     }\r
  42     \r
  43     @Override\r
  44     public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource edgeResource, IElement element) throws DatabaseException {\r
  45         \r
  46         Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);\r
  47         \r
  48         Resource startVertex = graph.getSingleObject(edgeResource, DN.HasStartVertex);\r
  49         Resource endVertex = graph.getSingleObject(edgeResource, DN.HasEndVertex);\r
  50         \r
  51         double[] startCoords = graph.getRelatedValue2(startVertex, DIA.HasLocation);\r
  52         double[] endCoords = graph.getRelatedValue2(endVertex, DIA.HasLocation);\r
  53         \r
  54         Path2D path = new Path2D.Double();\r
  55         path.moveTo(startCoords[0], startCoords[1]);\r
  56         path.lineTo(endCoords[0], endCoords[1]);\r
  57         \r
  58         DistrictNetworkEdge edge = new DistrictNetworkEdge(path);\r
  59         \r
  60         element.setHint(DistrictNetworkEdgeElement.KEY_DN_EDGE, edge);\r
  61     }\r
  62 }\r