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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.spreadsheet.graph;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.db.layer0.request.VariableRead;\r
  20 import org.simantics.db.layer0.variable.Variable;\r
  21 import org.simantics.utils.datastructures.Pair;\r
  22 \r
  23 public class CellsExtended extends VariableRead<Collection<Pair<String, Variable>>> {\r
  24 \r
  25     public CellsExtended(Variable variable) {\r
  26         super(variable);\r
  27     }\r
  28     @Override\r
  29     public Collection<Pair<String, Variable>> perform(ReadGraph graph) throws DatabaseException {\r
  30         \r
  31         ArrayList<Pair<String, Variable>> cells = new ArrayList<>(graph.syncRequest(new Cells(variable)));\r
  32         \r
  33         Variable lines = variable.getPossibleChild(graph, "Lines");\r
  34         if(lines != null) {\r
  35                 for(Variable line : graph.syncRequest(new Lines(lines))) {\r
  36                         cells.addAll(graph.syncRequest(new Cells(line)));\r
  37                 }\r
  38         }\r
  39         \r
  40         return cells;\r
  41         \r
  42     }\r
  43 \r
  44 }\r