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

   1 package org.simantics.spreadsheet.graph.adapter;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Collections;\r
   6 \r
   7 import org.simantics.databoard.Bindings;\r
   8 import org.simantics.databoard.Datatypes;\r
   9 import org.simantics.databoard.binding.Binding;\r
  10 import org.simantics.databoard.binding.mutable.Variant;\r
  11 import org.simantics.db.ReadGraph;\r
  12 import org.simantics.db.Resource;\r
  13 import org.simantics.db.exception.DatabaseException;\r
  14 import org.simantics.db.layer0.variable.ConstantChildVariable;\r
  15 import org.simantics.db.layer0.variable.Variable;\r
  16 import org.simantics.db.layer0.variable.VariableFactory;\r
  17 import org.simantics.db.layer0.variable.Variables;\r
  18 import org.simantics.spreadsheet.SheetVariables;\r
  19 import org.simantics.spreadsheet.resource.SpreadsheetResource;\r
  20 import org.simantics.spreadsheet.util.SpreadsheetUtils;\r
  21 import org.simantics.utils.datastructures.datatype.RGBInt8;\r
  22 \r
  23 public class DoubleArrayCells implements VariableFactory {\r
  24 \r
  25         private Binding RGB = Bindings.getBindingUnchecked(RGBInt8.class);\r
  26 //      private Datatype RGB = Datatypes.getDatatypeUnchecked(RGBInt8.class);\r
  27         \r
  28         private Resource configuration;\r
  29         \r
  30         public DoubleArrayCells(Resource configuration) {\r
  31                 this.configuration = configuration;\r
  32         }\r
  33 \r
  34         final String[] propertyNames = { SheetVariables.CONTENT, SheetVariables.FOREGROUND, SheetVariables.BACKGROUND, Variables.LABEL, "immutable" }; \r
  35         final Binding[] bindings = { Bindings.VARIANT, RGB, RGB, Bindings.STRING, Bindings.BOOLEAN };\r
  36         \r
  37         private Collection<Variable> toVariables(ReadGraph graph, Variable variable, double[] data, int width) throws DatabaseException {\r
  38 \r
  39                 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
  40                 String location = graph.getPossibleRelatedValue(configuration, sr.HasLocation, Bindings.STRING);\r
  41                 if(location == null) return Collections.emptyList();\r
  42                 \r
  43                 int rows = data.length / width;\r
  44                 \r
  45                 RGBInt8 fore = new RGBInt8(255, 255, 255);\r
  46                 RGBInt8 back = new RGBInt8(80, 130, 190);\r
  47                 \r
  48                 ArrayList<Variable> result = new ArrayList<Variable>();\r
  49                 for(int offset=0,i=0;i<rows;i++) {\r
  50                         for(int j=0;j<width;j++) {\r
  51                                 double value = data[offset++];\r
  52                                 String valueLocation = SpreadsheetUtils.offset(location, i, j);\r
  53                                 result.add(new DoubleArrayCellVariable(variable, valueLocation, propertyNames, bindings, new Object[] { Variant.ofInstance(value), fore, back, configuration, String.valueOf(value), false }));\r
  54                         }\r
  55                 }\r
  56                 return result;\r
  57 \r
  58         }\r
  59         \r
  60         private Collection<Variable> error(ReadGraph graph, Variable variable, String message) throws DatabaseException {\r
  61 \r
  62                 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
  63                 String location = graph.getPossibleRelatedValue(configuration, sr.HasLocation, Bindings.STRING);\r
  64                 if(location == null) return Collections.emptyList();\r
  65                 \r
  66                 return Collections.<Variable>singletonList(new ConstantChildVariable(variable, location, propertyNames, bindings, new Object[] { message })); \r
  67 \r
  68         }\r
  69         \r
  70         @Override\r
  71         public Collection<Variable> evaluate(ReadGraph graph, Variable variable) throws DatabaseException {\r
  72                 \r
  73                 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
  74                 double[] data = graph.getPossibleRelatedValue(configuration, sr.DoubleArrayCell_HasDoubleArray, Bindings.DOUBLE_ARRAY);\r
  75                 if(data == null) return error(graph, variable, "No double array data.");\r
  76                 Integer width = graph.getPossibleRelatedValue(configuration, sr.DoubleArrayCell_HasWidth, Bindings.INTEGER);\r
  77                 if(width == null) return error(graph, variable, "Invalid width for double array.");\r
  78                         \r
  79                 return toVariables(graph, variable, data, width);\r
  80                 \r
  81         }\r
  82         \r
  83 }\r