eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/descriptiveDataSet/matrix/CellSelectionListener.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2018 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix;
  11
  12 import java.util.Collection;
  13
  14 import org.eclipse.jface.viewers.StructuredSelection;
  15 import org.eclipse.nebula.widgets.nattable.layer.ILayerListener;
  16 import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell;
  17 import org.eclipse.nebula.widgets.nattable.layer.event.ILayerEvent;
  18 import org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent;
  19
  20 /**
  21  * @author pplitzner
  22  * @date 09.07.2018
  23  *
  24  */
  25 final class CellSelectionListener implements ILayerListener {
  26
  27     private CharacterMatrixPart part;
  28
  29     public CellSelectionListener(CharacterMatrixPart part) {
  30         super();
  31         this.part = part;
  32     }
  33
  34     @Override
  35     public void handleLayerEvent(ILayerEvent event) {
  36         if(event instanceof CellSelectionEvent){
  37             CellSelectionEvent cellSelectionEvent = (CellSelectionEvent)event;
  38             int columnPosition = cellSelectionEvent.getColumnPosition();
  39             if(columnPosition>CharacterMatrix.LEADING_COLUMN_COUNT){
  40                 Collection<ILayerCell> selectedCells = cellSelectionEvent.getSelectionLayer().getSelectedCells();
  41                 StructuredSelection selection = new StructuredSelection();
  42                 if(selectedCells.size()==1){
  43                     ILayerCell cell = selectedCells.iterator().next();
  44                     Object dataValue = cell.getDataValue();
  45                     if(dataValue!=null){
  46                         selection = new StructuredSelection(dataValue);
  47                     }
  48                 }
  49                 part.getSelectionService().setSelection(selection);
  50             }
  51         }
  52     }
  53 }