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

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