gerrit.simantics Code Review - simantics/district.git/blob

   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.db.layer0.variable.Variable;
   9 import org.simantics.db.layer0.variable.Variables;
  10 import org.simantics.diagram.stubs.DiagramResource;
  11 import org.simantics.district.network.ontology.DistrictNetworkResource;
  12 import org.simantics.scl.runtime.function.Function1;
  13
  14 /**
  15  * @author Tuukka Lehtonen
  16  */
  17 public class DiagramSettingsRequest extends ResourceRead<DiagramSettings> {
  18
  19         public DiagramSettingsRequest(Resource runtimeDiagram) {
  20                 super(runtimeDiagram);
  21         }
  22
  23         @Override
  24         public DiagramSettings perform(ReadGraph graph) throws DatabaseException {
  25                 DiagramResource DIA = DiagramResource.getInstance(graph);
  26                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  27
  28                 Function1<Resource, Double> edgeThicknessProperty = null;
  29                 Function1<Resource, Double> nodeScaleProperty = null;
  30                 double edgeThicknessGain = 1;
  31                 double edgeThicknessBias = 0;
  32                 double nodeScaleGain = 1;
  33                 double nodeScaleBias = 0;
  34
  35                 Resource diagram = graph.getPossibleObject(resource, DIA.RuntimeDiagram_HasConfiguration);
  36                 if (diagram != null) {
  37                         Resource etp = graph.getPossibleObject(diagram, DN.Diagram_edgeThicknessProperty);
  38                         //System.out.println("etp: " + NameUtils.getURIOrSafeNameInternal(graph, etp));
  39                         if (etp != null) {
  40                                 Variable etpv = Variables.getPossibleVariable(graph, etp);
  41                                 if (etpv != null) {
  42                                         //System.out.println("etpv: " + etpv.getURI(graph));
  43                                         edgeThicknessProperty = etpv.getPropertyValue(graph, DN.Edge_ThicknessProperty_value);
  44                                 }
  45
  46                                 edgeThicknessGain =
  47                                                 safeDoubleProperty(graph, etp, DN.Edge_ThicknessProperty_gain, 1)
  48                                                 * safeDoubleProperty(graph, diagram, DN.Diagram_edgeThicknessGain, 1);
  49                                 edgeThicknessBias =
  50                                                 safeDoubleProperty(graph, etp, DN.Edge_ThicknessProperty_bias, 0)
  51                                                 + safeDoubleProperty(graph, diagram, DN.Diagram_edgeThicknessBias, 0);
  52                         }
  53                         Resource nsp = graph.getPossibleObject(diagram, DN.Diagram_nodeScaleProperty);
  54                         if (nsp != null) {
  55                                 Variable nspv = Variables.getPossibleVariable(graph, nsp);
  56                                 if (nspv != null) {
  57                                         //System.out.println("nspv: " + nspv.getURI(graph));
  58                                         nodeScaleProperty = nspv.getPropertyValue(graph, DN.Vertex_ScaleProperty_value);
  59                                 }
  60
  61                                 nodeScaleGain =
  62                                                 safeDoubleProperty(graph, nsp, DN.Vertex_ScaleProperty_gain, 1)
  63                                                 * safeDoubleProperty(graph, diagram, DN.Diagram_nodeScaleGain, 1);
  64                                 nodeScaleBias =
  65                                                 safeDoubleProperty(graph, nsp, DN.Vertex_ScaleProperty_bias, 0)
  66                                                 + safeDoubleProperty(graph, diagram, DN.Diagram_nodeScaleBias, 0);
  67                         }
  68                 }
  69
  70                 DiagramSettings ds = new DiagramSettings(
  71                                 nodeScaleProperty, nodeScaleGain, nodeScaleBias,
  72                                 edgeThicknessProperty, edgeThicknessGain, edgeThicknessBias);
  73                 //System.out.println("new diagram settings: " + ds);
  74                 return ds;
  75         }
  76
  77         private static double safeDoubleProperty(ReadGraph graph, Resource r, Resource property, double defaultValue) throws DatabaseException {
  78                 Double d = graph.getPossibleRelatedValue(r, property, Bindings.DOUBLE);
  79                 return d != null ? d : defaultValue;
  80         }
  81
  82 }