bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/creator/CellCreatorBase.java.keep

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.spreadsheet.graph.creator;
  13
  14 import java.util.Collection;
  15 import java.util.Collections;
  16
  17 import org.simantics.databoard.Bindings;
  18 import org.simantics.databoard.adapter.AdaptException;
  19 import org.simantics.databoard.binding.Binding;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.WriteGraph;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.layer0.Layer0;
  24 import org.simantics.spreadsheet.ModelCellManager.CellCreationData;
  25 import org.simantics.spreadsheet.common.cell.Parsers;
  26 import org.simantics.spreadsheet.graph.request.Columns;
  27 import org.simantics.spreadsheet.graph.request.Rows;
  28 import org.simantics.spreadsheet.graph.request.RowsColumnsIndex;
  29
  30 abstract public class CellCreatorBase implements GraphCellCreator {
  31
  32     final protected Resource realization;
  33
  34     public CellCreatorBase(Resource realization) {
  35         this.realization = realization;
  36     }
  37
  38     protected <T> T getProperty(CellCreationData datum, String property, Binding binding) throws DatabaseException {
  39
  40         try {
  41                         return (T)datum.properties.get(Parsers.EXPRESSION_PROPERTY).getValue(Bindings.STRING);
  42                 } catch (AdaptException e) {
  43                         throw new DatabaseException(e);
  44                 }
  45
  46     }
  47
  48     public void create(WriteGraph graph, CellCreationData cell) throws DatabaseException {
  49
  50         create(graph, Collections.singleton(cell));
  51
  52     }
  53
  54     public void create(WriteGraph graph, Collection<CellCreationData> data) throws DatabaseException {
  55         Layer0 l0 = Layer0.getInstance(graph);
  56
  57         int maxRow = 0;
  58         int maxColumn = 0;
  59         for(CellCreationData datum : data) {
  60             maxRow = Math.max(maxRow, datum.row);
  61             maxColumn = Math.max(maxColumn, datum.column);
  62         }
  63
  64         Resource spreadsheet = graph.getPossibleObject(realization, l0.Represents);
  65
  66         RowsColumnsIndex rowIndex = graph.syncRequest(new Rows(spreadsheet));
  67         RowsColumnsIndex columnIndex = graph.syncRequest(new Columns(spreadsheet));
  68         rowIndex = rowIndex.copy();
  69         columnIndex = columnIndex.copy();
  70         rowIndex.ensureIndex(graph, maxRow);
  71         columnIndex.ensureIndex(graph, maxColumn);
  72
  73         create(graph, rowIndex, columnIndex, data);
  74
  75     }
  76
  77 }