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

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