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

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