org.simantics.district.network/src/org/simantics/district/network/profile/EdgeThicknessStyle.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.ConnectionNode;
  12 import org.simantics.scenegraph.profile.EvaluationContext;
  13 import org.simantics.scenegraph.profile.common.ProfileVariables;
  14
  15 public class EdgeThicknessStyle 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 thickness = ONE;
  24                 if (ds.edgeThicknessProperty.isPresent()) {
  25                         thickness = Simantics.applySCLRead(graph, ds.edgeThicknessProperty.get(), groupItem);
  26 //                      System.out.println("read thickness: " + thickness + " : " + ds.edgeThicknessProperty);
  27                         if (thickness == null) {
  28                                 thickness = ONE;
  29                         } else {
  30                                 thickness = thickness * ds.edgeThicknessGain + ds.edgeThicknessBias;
  31                         }
  32                 }
  33                 return thickness;
  34         }
  35
  36         @Override
  37         public void applyStyleForNode(EvaluationContext observer, INode node, Double value) {
  38 //              System.out.println("apply: " + node + " : " + value);
  39                 ConnectionNode n = (ConnectionNode) node;
  40                 if (value == PENDING) {
  41                         ((G2DSceneGraph)node.getRootNode()).setPending(node);
  42                 } else {
  43                         ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  44                 }
  45                 if (value == null)
  46                         value = ONE;
  47                 for (INode nn : n.getNodes())
  48                         ProfileVariables.claimNodeProperty(nn, "stroke", value, observer);
  49         }
  50
  51         @Override
  52         protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
  53                 ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  54                 ConnectionNode n = (ConnectionNode) node;
  55                 for (INode nn : n.getNodes())
  56                         ProfileVariables.claimNodeProperty(nn, "stroke", ONE, evaluationContext);
  57         }
  58
  59 }