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

   1 package org.simantics.district.network.ui.adapters;
   2
   3 import java.awt.geom.Path2D;
   4
   5 import org.simantics.db.AsyncReadGraph;
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.procedure.AsyncProcedure;
  10 import org.simantics.diagram.adapter.SyncElementFactory;
  11 import org.simantics.diagram.stubs.DiagramResource;
  12 import org.simantics.diagram.synchronization.IModifiableSynchronizationContext;
  13 import org.simantics.diagram.synchronization.SynchronizationHints;
  14 import org.simantics.diagram.synchronization.graph.GraphSynchronizationHints;
  15 import org.simantics.diagram.synchronization.graph.layer.GraphLayerManager;
  16 import org.simantics.diagram.ui.DiagramModelHints;
  17 import org.simantics.district.network.ontology.DistrictNetworkResource;
  18 import org.simantics.district.network.ui.DistrictNetworkEdge;
  19 import org.simantics.g2d.canvas.ICanvasContext;
  20 import org.simantics.g2d.diagram.DiagramHints;
  21 import org.simantics.g2d.diagram.IDiagram;
  22 import org.simantics.g2d.element.ElementClass;
  23 import org.simantics.g2d.element.IElement;
  24 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
  25 import org.simantics.g2d.layers.ILayersEditor;
  26
  27 public class DistrictNetworkEdgeElementFactory extends SyncElementFactory {
  28
  29     public static final ElementClass CLASS = DistrictNetworkEdgeElement.CLASS;
  30
  31     private DistrictNetworkResource DN;
  32     private DiagramResource DIA;
  33
  34     public DistrictNetworkEdgeElementFactory(ReadGraph graph) {
  35         this.DN = DistrictNetworkResource.getInstance(graph);
  36         this.DIA = DiagramResource.getInstance(graph);
  37     }
  38
  39     @Override
  40     public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure) {
  41         procedure.execute(graph, CLASS.newClassWith(false, new StaticObjectAdapter(elementType)));
  42     }
  43
  44     @Override
  45     protected Resource getElementClassBaseType(AsyncReadGraph graph) {
  46         return DN.Edge;
  47     }
  48
  49     @Override
  50     public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource edgeResource, IElement element) throws DatabaseException {
  51
  52         Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);
  53
  54         Resource startVertex = graph.getSingleObject(edgeResource, DN.HasStartVertex);
  55         Resource endVertex = graph.getSingleObject(edgeResource, DN.HasEndVertex);
  56
  57         double[] startCoords = graph.getRelatedValue2(startVertex, DIA.HasLocation);
  58         double[] endCoords = graph.getRelatedValue2(endVertex, DIA.HasLocation);
  59
  60         Path2D path = new Path2D.Double();
  61         path.moveTo(startCoords[0], startCoords[1]);
  62         path.lineTo(endCoords[0], endCoords[1]);
  63
  64         DistrictNetworkEdge edge = new DistrictNetworkEdge(path);
  65
  66         element.setHint(DistrictNetworkEdgeElement.KEY_DN_EDGE, edge);
  67
  68         IModifiableSynchronizationContext context = diagram.getHint(SynchronizationHints.CONTEXT);
  69         GraphLayerManager layerManager = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);
  70
  71         ILayersEditor layersEditor = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);
  72         layerManager.loadLayersForElement(graph, layersEditor, element, edgeResource);
  73
  74     }
  75 }