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