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

   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.creator;\r
  13 \r
  14 import java.util.Collection;\r
  15 import java.util.Collections;\r
  16 \r
  17 import org.simantics.databoard.Bindings;\r
  18 import org.simantics.databoard.adapter.AdaptException;\r
  19 import org.simantics.databoard.binding.Binding;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.WriteGraph;\r
  22 import org.simantics.db.exception.DatabaseException;\r
  23 import org.simantics.layer0.Layer0;\r
  24 import org.simantics.spreadsheet.ModelCellManager.CellCreationData;\r
  25 import org.simantics.spreadsheet.common.cell.Parsers;\r
  26 import org.simantics.spreadsheet.graph.request.Columns;\r
  27 import org.simantics.spreadsheet.graph.request.Rows;\r
  28 import org.simantics.spreadsheet.graph.request.RowsColumnsIndex;\r
  29 \r
  30 abstract public class CellCreatorBase implements GraphCellCreator {\r
  31 \r
  32     final protected Resource realization;\r
  33 \r
  34     public CellCreatorBase(Resource realization) {\r
  35         this.realization = realization;\r
  36     }\r
  37 \r
  38     protected <T> T getProperty(CellCreationData datum, String property, Binding binding) throws DatabaseException {\r
  39     \r
  40         try {\r
  41                         return (T)datum.properties.get(Parsers.EXPRESSION_PROPERTY).getValue(Bindings.STRING);\r
  42                 } catch (AdaptException e) {\r
  43                         throw new DatabaseException(e);\r
  44                 }\r
  45         \r
  46     }\r
  47     \r
  48     public void create(WriteGraph graph, CellCreationData cell) throws DatabaseException {\r
  49 \r
  50         create(graph, Collections.singleton(cell));\r
  51 \r
  52     }\r
  53 \r
  54     public void create(WriteGraph graph, Collection<CellCreationData> data) throws DatabaseException {\r
  55         Layer0 l0 = Layer0.getInstance(graph);\r
  56 \r
  57         int maxRow = 0;\r
  58         int maxColumn = 0;\r
  59         for(CellCreationData datum : data) {\r
  60             maxRow = Math.max(maxRow, datum.row);\r
  61             maxColumn = Math.max(maxColumn, datum.column);\r
  62         }\r
  63 \r
  64         Resource spreadsheet = graph.getPossibleObject(realization, l0.Represents);\r
  65 \r
  66         RowsColumnsIndex rowIndex = graph.syncRequest(new Rows(spreadsheet));\r
  67         RowsColumnsIndex columnIndex = graph.syncRequest(new Columns(spreadsheet));\r
  68         rowIndex = rowIndex.copy();\r
  69         columnIndex = columnIndex.copy();\r
  70         rowIndex.ensureIndex(graph, maxRow);\r
  71         columnIndex.ensureIndex(graph, maxColumn);\r
  72 \r
  73         create(graph, rowIndex, columnIndex, data);\r
  74 \r
  75     }\r
  76 \r
  77 }\r