bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Sheets.java

   1 package org.simantics.spreadsheet.graph;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.List;
   6
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.common.request.ObjectsWithType;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.request.VariableRead;
  13 import org.simantics.db.layer0.variable.Variable;
  14 import org.simantics.layer0.Layer0;
  15 import org.simantics.spreadsheet.resource.SpreadsheetResource;
  16
  17 public class Sheets extends VariableRead<List<String>> {
  18
  19         public Sheets(Variable variable) {
  20                 super(variable);
  21         }
  22
  23         @Override
  24         public List<String> perform(ReadGraph graph) throws DatabaseException {
  25                 Resource book = variable.getParent(graph).getRepresents(graph);
  26                 Layer0 L0 = Layer0.getInstance(graph);
  27                 Collection<Resource> sheets = graph.syncRequest(new ObjectsWithType(book, L0.ConsistsOf, SpreadsheetResource.getInstance(graph).Spreadsheet));
  28                 List<String> result = new ArrayList<>(sheets.size());
  29                 sheets.forEach(sheet -> {
  30                     try {
  31                 String name = graph.getPossibleRelatedValue(sheet, L0.HasName, Bindings.STRING);
  32                 result.add(name);
  33             } catch (Exception e) {
  34                 e.printStackTrace();
  35             }
  36                 });
  37                 return result;
  38
  39         }
  40
  41 }