bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/adapter/SheetVariableSpaceManipulator.java

   1 package org.simantics.spreadsheet.graph.adapter;
   2
   3 import org.simantics.databoard.Bindings;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.WriteGraph;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.layer0.variable.Variable;
   8 import org.simantics.db.layer0.variable.VariableSpaceManipulator;
   9 import org.simantics.layer0.Layer0;
  10
  11 public class SheetVariableSpaceManipulator implements VariableSpaceManipulator {
  12
  13     private Variable variable;
  14     public SheetVariableSpaceManipulator(Variable variable) {
  15         this.variable = variable;
  16     }
  17
  18     @Override
  19     public void apply(WriteGraph graph, Modification modification) throws DatabaseException {
  20
  21         Layer0 L0 = Layer0.getInstance(graph);
  22         for(String name : modification.removedChildren) {
  23             Variable child = variable.getChild(graph, name);
  24             Resource represents = child.getRepresents(graph);
  25             graph.deny(represents, L0.PartOf);
  26         }
  27
  28         for(ChildCreationData data : modification.newChildren) {
  29             Resource container = variable.getRepresents(graph);
  30             Resource cell = graph.newResource();
  31             Resource type = graph.getResource(data.type);
  32             graph.claim(cell, L0.InstanceOf, null, type);
  33             graph.addLiteral(cell, L0.HasName, L0.NameOf, L0.String, data.name, Bindings.STRING);
  34             for(PropertyCreationData p : data.properties) {
  35                 Resource property = graph.getResource(p.name);
  36                 graph.claimLiteral(cell, property, p.value.getValue());
  37             }
  38             graph.claim(cell, L0.PartOf, container);
  39
  40         }
  41     }
  42
  43 }