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.scenegraph.INode;
   9 import org.simantics.scenegraph.g2d.G2DSceneGraph;
  10 import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
  11 import org.simantics.scenegraph.profile.EvaluationContext;
  12 import org.simantics.scenegraph.profile.common.ProfileVariables;
  13
  14 public class EdgeThicknessStyle extends ThrottledStyleBase<Double> {
  15
  16         private static final Double PENDING = Double.NaN;
  17         private static final Double ONE = 1.0;
  18
  19         @Override
  20         public Double calculateThrottledStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
  21                 DiagramSettings ds = graph.syncRequest(new DiagramSettingsRequest(runtimeDiagram), TransientCacheAsyncListener.instance());
  22                 Double thickness = ONE;
  23                 if (ds.edgeThicknessProperty.isPresent()) {
  24                         thickness = Simantics.applySCLRead(graph, ds.edgeThicknessProperty.get(), groupItem);
  25 //                      System.out.println("read thickness: " + thickness + " : " + ds.edgeThicknessProperty);
  26                         if (thickness == null) {
  27                                 thickness = ONE;
  28                         } else {
  29                                 thickness = thickness * ds.edgeThicknessGain + ds.edgeThicknessBias;
  30                         }
  31                 }
  32                 return thickness;
  33         }
  34
  35         @Override
  36         public void applyThrottledStyleForNode(EvaluationContext observer, INode node, Double value) {
  37 //              System.out.println("apply: " + node + " : " + value);
  38                 ConnectionNode n = (ConnectionNode) node;
  39                 if (value == PENDING) {
  40                         ((G2DSceneGraph)node.getRootNode()).setPending(node);
  41                 } else {
  42                         ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  43                 }
  44                 if (value == null)
  45                         value = ONE;
  46                 for (INode nn : n.getNodes())
  47                         ProfileVariables.claimNodeProperty(nn, "stroke", value, observer);
  48         }
  49
  50         @Override
  51         protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
  52                 ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  53                 ConnectionNode n = (ConnectionNode) node;
  54                 for (INode nn : n.getNodes())
  55                         ProfileVariables.claimNodeProperty(nn, "stroke", ONE, evaluationContext);
  56         }
  57
  58 }