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

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