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

   1 package org.simantics.spreadsheet.graph.adapter;
   2
   3 import org.simantics.databoard.Bindings;
   4 import org.simantics.databoard.binding.Binding;
   5 import org.simantics.databoard.binding.mutable.Variant;
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.WriteGraph;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.variable.ConstantChildVariable;
  11 import org.simantics.db.layer0.variable.ExtendedGraphChildVariable;
  12 import org.simantics.db.layer0.variable.Variable;
  13 import org.simantics.db.layer0.variable.VariableSpaceManipulator;
  14 import org.simantics.db.layer0.variable.Variables;
  15 import org.simantics.layer0.Layer0;
  16 import org.simantics.spreadsheet.Range;
  17 import org.simantics.spreadsheet.SheetVariables;
  18 import org.simantics.spreadsheet.Spreadsheets;
  19 import org.simantics.spreadsheet.common.matrix.VariantMatrix;
  20
  21 public class SpreadsheetVariable extends ExtendedGraphChildVariable {
  22
  23 //    final private Collection<Pair<StringCellParser, GraphCellCreator>> creators = new ArrayList<Pair<StringCellParser, GraphCellCreator>>();
  24
  25         public SpreadsheetVariable(Variable parent, Resource resource) throws DatabaseException {
  26
  27                 super(parent, resource);
  28
  29 //          creators.add(new Pair<StringCellParser, GraphCellCreator>(Parsers.MATRIX_PARSER, new MatrixCellCreator(resource)));
  30 //          creators.add(new Pair<StringCellParser, GraphCellCreator>(Parsers.EXPRESSION_PARSER, new ExpressionCellCreator(resource)));
  31 //          creators.add(new Pair<StringCellParser, GraphCellCreator>(Parsers.COMMAND_PARSER, new CommandCellCreator(resource)));
  32 //          creators.add(new Pair<StringCellParser, GraphCellCreator>(Parsers.RESOURCE_ARRAY_PARSER, new ResourceArrayCellCreator(resource)));
  33 //          creators.add(new Pair<StringCellParser, GraphCellCreator>(Parsers.TEXT_PARSER, new TextCellCreator(resource)));
  34
  35         }
  36
  37     @SuppressWarnings("unchecked")
  38     protected <T> T tryAdapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  39                 if(VariableSpaceManipulator.class == clazz) {
  40
  41                         return (T)new VariableSpaceManipulator() {
  42
  43                                 @Override
  44                                 public void apply(WriteGraph graph, Modification modification) throws DatabaseException {
  45
  46                                         Layer0 L0 = Layer0.getInstance(graph);
  47                                         for(String name : modification.removedChildren) {
  48                                                 Variable child = getChild(graph, name);
  49                                                 Resource represents = child.getRepresents(graph);
  50                                                 graph.deny(represents, L0.PartOf);
  51                                         }
  52
  53                                         for(ChildCreationData data : modification.newChildren) {
  54                                                 Resource container = getRepresents(graph);
  55                                                 Resource cell = graph.newResource();
  56                                                 Resource type = graph.getResource(data.type);
  57                                                 graph.claim(cell, L0.InstanceOf, null, type);
  58                                                 graph.addLiteral(cell, L0.HasName, L0.NameOf, L0.String, data.name, Bindings.STRING);
  59                                                 for(PropertyCreationData p : data.properties) {
  60                                                         Resource property = graph.getResource(p.name);
  61                                                         graph.claimLiteral(cell, property, p.value.getValue());
  62                                                 }
  63                                                 graph.claim(cell, L0.PartOf, container);
  64
  65                                         }
  66
  67                                 }
  68
  69                         };
  70
  71                 }
  72                 return null;
  73         }
  74
  75         @Override
  76         public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  77                 T t = tryAdapt(graph, clazz);
  78                 return t != null ? t : super.adapt(graph, clazz);
  79         }
  80
  81         @Override
  82         public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {
  83                 T t = tryAdapt(graph, clazz);
  84                 return t != null ? t : super.adaptPossible(graph, clazz);
  85         }
  86
  87         final String[] propertyNames = { SheetVariables.CONTENT, Variables.LABEL, "immutable" };
  88         final Binding[] bindings = { Bindings.VARIANT, Bindings.STRING, Bindings.BOOLEAN};
  89
  90         @Override
  91         public Variable getPossibleSpecialChild(ReadGraph graph, String name) throws DatabaseException {
  92                 if(name.contains(":")) {
  93                         Range range = Spreadsheets.decodeRange(name, 0, 0);
  94
  95                         VariantMatrix matrix = new VariantMatrix(range.height(),range.width());
  96
  97                         for(int x=range.startColumn;x<=range.endColumn;x++) {
  98                                 for(int y=range.startRow;y<=range.endRow;y++) {
  99                                         String location = Spreadsheets.cellName(y,x);
 100                                         Variable child = getPossibleChild(graph, location);
 101                                         Variant value = null;
 102                                         if(child != null)
 103                                             value = child.getPossiblePropertyValue(graph, SheetVariables.CONTENT, Bindings.VARIANT);
 104                                         matrix.set(y-range.startRow, x-range.startColumn, value);
 105                                 }
 106                         }
 107
 108                         return new ConstantChildVariable(this, name, propertyNames, bindings, new Object[] {
 109                                         Variant.ofInstance(matrix), null, name, false
 110                         });
 111
 112                 } else {
 113                         return super.getPossibleSpecialChild(graph, name);
 114                 }
 115         }
 116
 117 }