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

   1 package org.simantics.district.network.profile;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.exception.DatabaseException;
   6 import org.simantics.district.network.ontology.DistrictNetworkResource;
   7 import org.simantics.scenegraph.INode;
   8 import org.simantics.scenegraph.g2d.G2DSceneGraph;
   9 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
  10 import org.simantics.scenegraph.profile.EvaluationContext;
  11 import org.simantics.scenegraph.profile.common.ProfileVariables;
  12 import org.simantics.scl.runtime.function.Function;
  13
  14 public class VertexSymbolStyle extends ThrottledStyleBase<String> {
  15
  16         @SuppressWarnings({ "rawtypes", "unchecked" })
  17         @Override
  18         public String calculateThrottledStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
  19                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  20                 Resource symbolFunctionResource = graph.getPossibleObject(entry, DN.HasSymbolFunction);
  21                 if (symbolFunctionResource == null)
  22                         return null;
  23
  24                 Function symbolFunction = (Function) graph.getPossibleValue2(symbolFunctionResource, null);
  25                 if (symbolFunction == null)
  26                         return null;
  27
  28                 return (String) symbolFunction.apply(graph, entry);
  29         }
  30
  31         @Override
  32         public void applyThrottledStyleForNode(EvaluationContext observer, INode node, String value) {
  33                 SingleElementNode n = (SingleElementNode) node;
  34                 for (INode nn : n.getNodes())
  35                         ProfileVariables.claimNodeProperty(nn, "SVG", value, observer);
  36         }
  37
  38         @Override
  39         protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
  40                 ((G2DSceneGraph)node.getRootNode()).clearPending(node);
  41                 SingleElementNode n = (SingleElementNode) node;
  42                 for (INode nn : n.getNodes())
  43                         ProfileVariables.claimNodeProperty(nn, "SVG", null, evaluationContext);
  44         }
  45
  46 }