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.Point2D;
   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.district.network.ontology.DistrictNetworkResource;
  17 import org.simantics.district.network.ui.DistrictNetworkEdge;
  18 import org.simantics.g2d.canvas.ICanvasContext;
  19 import org.simantics.g2d.diagram.DiagramHints;
  20 import org.simantics.g2d.diagram.IDiagram;
  21 import org.simantics.g2d.element.ElementClass;
  22 import org.simantics.g2d.element.ElementUtils;
  23 import org.simantics.g2d.element.IElement;
  24 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
  25 import org.simantics.g2d.layers.ILayersEditor;
  26 import org.simantics.maps.MapScalingTransform;
  27
  28 public class DistrictNetworkEdgeElementFactory extends SyncElementFactory {
  29
  30     public static final ElementClass CLASS = DistrictNetworkEdgeElement.CLASS;
  31
  32     private DistrictNetworkResource DN;
  33     private DiagramResource DIA;
  34
  35     public DistrictNetworkEdgeElementFactory(ReadGraph graph) {
  36         this.DN = DistrictNetworkResource.getInstance(graph);
  37         this.DIA = DiagramResource.getInstance(graph);
  38     }
  39
  40     @Override
  41     public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure) {
  42         procedure.execute(graph, CLASS.newClassWith(false, new StaticObjectAdapter(elementType)));
  43     }
  44
  45     @Override
  46     protected Resource getElementClassBaseType(AsyncReadGraph graph) {
  47         return DN.Edge;
  48     }
  49
  50     @Override
  51     public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource edgeResource, IElement element) throws DatabaseException {
  52         if (!graph.hasStatement(edgeResource))
  53             return; // already deleted
  54
  55         Resource startVertex = graph.getSingleObject(edgeResource, DN.HasStartVertex);
  56         Resource endVertex = graph.getSingleObject(edgeResource, DN.HasEndVertex);
  57
  58         // TODO: Find maybe a better way to apply the scaling
  59         double[] startCoords = graph.getRelatedValue2(startVertex, DIA.HasLocation);
  60         double[] endCoords = graph.getRelatedValue2(endVertex, DIA.HasLocation);
  61         DistrictNetworkEdge edge = new DistrictNetworkEdge(new Point2D.Double(startCoords[0], startCoords[1]), new Point2D.Double(endCoords[0], endCoords[1]));
  62
  63         Resource mapping = graph.getSingleObject(edgeResource, DistrictNetworkResource.getInstance(graph).HasMapping);
  64         element.setHint(DistrictNetworkAdditionalColor.KEY_DN_MAPPING_RESOURCE, mapping);
  65
  66         element.setHint(DistrictNetworkEdgeElement.KEY_DN_EDGE, edge);
  67
  68         // set scaling transform
  69         ElementUtils.setTransform(element, MapScalingTransform.INSTANCE);
  70
  71         IModifiableSynchronizationContext context = diagram.getHint(SynchronizationHints.CONTEXT);
  72         GraphLayerManager layerManager = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);
  73
  74         ILayersEditor layersEditor = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);
  75         layerManager.loadLayersForElement(graph, layersEditor, element, edgeResource);
  76
  77     }
  78 }