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

   1 package org.simantics.district.network.profile;
   2
   3 import org.simantics.Simantics;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.diagram.profile.StyleBase;
   9 import org.simantics.scenegraph.INode;
  10 import org.simantics.scenegraph.g2d.G2DSceneGraph;
  11 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
  12 import org.simantics.scenegraph.profile.EvaluationContext;
  13 import org.simantics.scenegraph.profile.common.ProfileVariables;
  14
  15 public class VertexSizeStyle extends StyleBase<Double> {
  16
  17         private static final Double PENDING = Double.NaN;
  18         private static final Double ONE = 1.0;
  19
  20         @Override
  21         public Double calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
  22                 DiagramSettings ds = graph.syncRequest(new DiagramSettingsRequest(runtimeDiagram), TransientCacheAsyncListener.instance());
  23                 Double scaling = ONE;
  24                 if (ds.vertexScaleProperty.isPresent()) {
  25                         scaling = Simantics.applySCLRead(graph, ds.vertexScaleProperty.get(), groupItem);
  26                         if (scaling == null) {
  27                                 scaling = ONE;
  28                         } else {
  29 //                              System.out.println("read vertex scaling: " + scaling + " : " + ds.vertexScaleProperty);
  30                                 scaling = scaling * ds.vertexScaleGain + ds.vertexScaleBias;
  31 //                              System.out.println("RESULT: " + scaling);
  32                         }
  33                 }
  34                 return scaling;
  35         }
  36
  37         @Override
  38         public void applyStyleForNode(EvaluationContext observer, INode node, Double value) {
  39                 //System.out.println("apply: " + node + " : " + value);
  40                 SingleElementNode n = (SingleElementNode) node;
  41                 if (value == PENDING) {
  42                         ((G2DSceneGraph)node.getRootNode()).setPending(node);
  43                 } else {
  44                         ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  45                 }
  46                 if (value == null)
  47                         value = ONE;
  48                 for (INode nn : n.getNodes())
  49                         ProfileVariables.claimNodeProperty(nn, "size", value, observer);
  50         }
  51
  52         @Override
  53         protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
  54                 ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  55                 SingleElementNode n = (SingleElementNode) node;
  56                 for (INode nn : n.getNodes())
  57                         ProfileVariables.claimNodeProperty(nn, "size", ONE, evaluationContext);
  58         }
  59
  60 }