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

   1 package org.simantics.spreadsheet.graph.adapter;
   2
   3 import org.simantics.databoard.Bindings;
   4 import org.simantics.databoard.binding.mutable.Variant;
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.WriteGraph;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.layer0.variable.StandardGraphChildVariable;
  10 import org.simantics.db.layer0.variable.Variable;
  11 import org.simantics.db.layer0.variable.VariableSpaceManipulator;
  12 import org.simantics.db.layer0.variable.VariableSpaceManipulator.ChildCreationData;
  13 import org.simantics.db.layer0.variable.VariableSpaceManipulator.Modification;
  14 import org.simantics.db.layer0.variable.VariableSpaceManipulator.PropertyCreationData;
  15 import org.simantics.spreadsheet.common.cell.VariableCellEditor;
  16 import org.simantics.spreadsheet.resource.SpreadsheetResource;
  17
  18 public class TextCellVariable extends StandardGraphChildVariable {
  19
  20         public TextCellVariable(Variable parent, Resource resource) throws DatabaseException {
  21                 super(parent, null, resource);
  22         }
  23
  24         @Override
  25         public String getLabel(ReadGraph graph) throws DatabaseException {
  26                 return null;
  27         }
  28
  29     @SuppressWarnings("unchecked")
  30     protected <T> T tryAdapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  31         if(VariableCellEditor.class == clazz) {
  32                 return (T)new VariableCellEditor() {
  33
  34                                 @Override
  35                                 public void edit(WriteGraph graph, Variable cell, String text) throws DatabaseException {
  36
  37                                         SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);
  38                                         Resource configuration = cell.getPossibleRepresents(graph);
  39                                         graph.claimLiteral(configuration, sr.Cell_content, Variant.ofInstance(text), Bindings.VARIANT);
  40
  41                                 }
  42
  43                                 @Override
  44                                 public void copy(WriteGraph graph, Variable cell, String location) throws DatabaseException {
  45
  46                                         SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);
  47                                         Resource configuration = cell.getPossibleRepresents(graph);
  48                                         Variant content = graph.getPossibleRelatedValue(configuration, sr.Cell_content, Bindings.VARIANT);
  49                                         PropertyCreationData[] pData = new PropertyCreationData[] { PropertyCreationData.build(SpreadsheetResource.URIs.Cell_content, content) };
  50                                         ChildCreationData data = ChildCreationData.build(location, SpreadsheetResource.URIs.TextCell, pData);
  51                                         Variable sheet = cell.getParent(graph);
  52                                         VariableSpaceManipulator manipulator = sheet.adapt(graph, VariableSpaceManipulator.class);
  53                                         manipulator.apply(graph, Modification.addChild(data));
  54
  55                                 }
  56
  57                         };
  58         }
  59         return null;
  60     }
  61
  62     @Override
  63     public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  64         T t = tryAdapt(graph, clazz);
  65         return t != null ? t : super.adapt(graph, clazz);
  66     }
  67
  68     @Override
  69     public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  70         T t = tryAdapt(graph, clazz);
  71         return t != null ? t : super.adaptPossible(graph, clazz);
  72     }
  73
  74 }