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

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