org.simantics.district.network/src/org/simantics/district/network/profile/DiagramSettingsRequest.java

   1 package org.simantics.district.network.profile;
   2
   3 import org.simantics.databoard.Bindings;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.common.request.ResourceRead;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.diagram.stubs.DiagramResource;
   9 import org.simantics.district.network.ontology.DistrictNetworkResource;
  10
  11 /**
  12  * @author Tuukka Lehtonen
  13  */
  14 public class DiagramSettingsRequest extends ResourceRead<DiagramSettings> {
  15
  16         protected DiagramSettingsRequest(Resource runtimeDiagram) {
  17                 super(runtimeDiagram);
  18         }
  19
  20         @Override
  21         public DiagramSettings perform(ReadGraph graph) throws DatabaseException {
  22                 DiagramResource DIA = DiagramResource.getInstance(graph);
  23                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  24
  25                 Resource edgeThicknessProperty = null;
  26                 Resource nodeScalingProperty = null;
  27                 double edgeThicknessScale = 1;
  28                 double nodeScalingScale = 1;
  29
  30                 Resource diagram = graph.getPossibleObject(resource, DIA.RuntimeDiagram_HasConfiguration);
  31                 if (diagram != null) {
  32                         Resource etp = graph.getPossibleObject(diagram, DN.Diagram_edgeThicknessProperty);
  33                         edgeThicknessProperty = graph.getPossibleObject(etp, DN.Edge_ThicknessProperty_value);
  34 //                      Resource nsp = graph.getPossibleObject(diagram, DN.Diagram_nodeScalingProperty);
  35 //                      nodeScalingProperty = graph.getPossibleObject(nsp, DN.Vertex_ScaleProperty_value);
  36
  37                         edgeThicknessScale =
  38                                         safeDoubleProperty(graph, etp, DN.Edge_ThicknessProperty_scale, 1)
  39                                         * safeDoubleProperty(graph, diagram, DN.Diagram_edgeThicknessScale, 1);
  40
  41 //                      nodeScalingScale =
  42 //                                      safeDoubleProperty(graph, nsp, DN.Vertex_ScaleProperty_scale, 1)
  43 //                                      * safeDoubleProperty(graph, diagram, DN.Diagram_nodeScale, 1);
  44                 }
  45
  46                 return new DiagramSettings(nodeScalingProperty, nodeScalingScale, edgeThicknessProperty, edgeThicknessScale);
  47         }
  48
  49         private static double safeDoubleProperty(ReadGraph graph, Resource r, Resource property, double defaultValue) throws DatabaseException {
  50                 Double d = graph.getPossibleRelatedValue(r, property, Bindings.DOUBLE);
  51                 return d != null ? d : defaultValue;
  52         }
  53
  54 }