bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/viewpoint/ChildrenInActiveExperiment.java

   1 package org.simantics.modeling.ui.viewpoint;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Collections;\r
   5 \r
   6 import org.simantics.browsing.ui.model.children.ChildRule;\r
   7 import org.simantics.databoard.Bindings;\r
   8 import org.simantics.db.ReadGraph;\r
   9 import org.simantics.db.Resource;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.db.layer0.variable.Variable;\r
  12 import org.simantics.layer0.Layer0;\r
  13 import org.simantics.scl.runtime.function.Function;\r
  14 import org.simantics.simulation.ontology.SimulationResource;\r
  15 import org.simantics.structural.stubs.StructuralResource2;\r
  16 \r
  17 public class ChildrenInActiveExperiment implements ChildRule {\r
  18 \r
  19     Layer0 L0;\r
  20     SimulationResource SIMU;\r
  21     StructuralResource2 STR;\r
  22     \r
  23     public ChildrenInActiveExperiment(ReadGraph graph) {\r
  24         this.L0 = Layer0.getInstance(graph);\r
  25         this.SIMU = SimulationResource.getInstance(graph);\r
  26         this.STR = StructuralResource2.getInstance(graph);\r
  27     }\r
  28 \r
  29     private Variable getVariable(ReadGraph graph, Resource r) throws DatabaseException {\r
  30         Resource model = graph.getPossibleObject(r, SIMU.IsConfigurationOf);\r
  31         if(model != null) {\r
  32             return (Variable)graph.adapt(SIMU.ActiveExperiment, Function.class)\r
  33                 .apply(graph, model);\r
  34         }\r
  35         String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);\r
  36         Resource parent = graph.getPossibleObject(r, L0.PartOf);\r
  37         if(name == null || parent == null)\r
  38             return null;\r
  39         Variable parentVariable = getVariable(graph, parent);\r
  40         if(parentVariable == null)\r
  41             return null;\r
  42         return parentVariable.getPossibleChild(graph, name);\r
  43     }\r
  44 \r
  45     @Override\r
  46     public boolean isCompatible(Class<?> contentType) {\r
  47         return contentType.equals(Resource.class);\r
  48     }\r
  49 \r
  50     @Override\r
  51     public Collection<?> getChildren(ReadGraph graph, Object parent_)\r
  52             throws DatabaseException {\r
  53         Resource parent = (Resource)parent_;\r
  54         if(graph.isInstanceOf(parent, STR.Composite))\r
  55             return Collections.emptyList();\r
  56         Variable variable = getVariable(graph, parent);\r
  57         if(variable == null)\r
  58             return Collections.emptyList();\r
  59         Collection<Variable> children = variable.getChildren(graph);\r
  60         return VariableChildren.filterByClassification(graph, children, StructuralResource2.URIs.Component);\r
  61     }\r
  62 \r
  63     @Override\r
  64     public Collection<?> getParents(ReadGraph graph, Object child)\r
  65             throws DatabaseException {\r
  66         return Collections.emptyList();\r
  67     }\r
  68 \r
  69 }\r