eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/e4/CellSelectionListener.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.bulkeditor.e4;
  10
  11 import java.util.Collection;
  12
  13 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  14 import org.eclipse.jface.viewers.StructuredSelection;
  15 import org.eclipse.nebula.widgets.nattable.data.IRowDataProvider;
  16 import org.eclipse.nebula.widgets.nattable.extension.e4.selection.E4SelectionListener;
  17 import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell;
  18 import org.eclipse.nebula.widgets.nattable.layer.event.ILayerEvent;
  19 import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
  20 import org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent;
  21 import org.eclipse.nebula.widgets.nattable.selection.event.RowSelectionEvent;
  22
  23 import eu.etaxonomy.cdm.model.common.CdmBase;
  24
  25 /**
  26  * @author pplitzner
  27  * @date 09.07.2018
  28  */
  29 final class CellSelectionListener extends E4SelectionListener<CdmBase> {
  30
  31     private BulkEditorComposite bulkEditor;
  32
  33     public CellSelectionListener(
  34             ESelectionService service,
  35             SelectionLayer selectionLayer,
  36             IRowDataProvider<CdmBase> rowDataProvider,
  37             BulkEditorComposite bulkEditor) {
  38         super(service, selectionLayer, rowDataProvider);
  39         this.bulkEditor = bulkEditor;
  40     }
  41
  42     @Override
  43     public void handleLayerEvent(ILayerEvent event) {
  44         if(event instanceof CellSelectionEvent){
  45             CellSelectionEvent cellSelectionEvent = (CellSelectionEvent)event;
  46             Collection<ILayerCell> selectedCells = cellSelectionEvent.getSelectionLayer().getSelectedCells();
  47             if(selectedCells.size()==1){
  48                 Object rowObject = bulkEditor.getBodyDataProvider().getRowObject(cellSelectionEvent.getRowPosition());
  49                 bulkEditor.getSelService().setSelection(new StructuredSelection(rowObject));
  50                 return;
  51             }
  52         }
  53         else if(event instanceof RowSelectionEvent){
  54             RowSelectionEvent rowSelectionEvent = (RowSelectionEvent) event;
  55             int[] fullySelectedRowPositions = rowSelectionEvent.getSelectionLayer().getFullySelectedRowPositions();
  56             if(fullySelectedRowPositions.length==1){
  57                 if (fullySelectedRowPositions[0]>=0){
  58                     Object rowObject = bulkEditor.getBodyDataProvider().getRowObject(fullySelectedRowPositions[0]);
  59                     bulkEditor.getSelService().setSelection(new StructuredSelection(rowObject));
  60                 }
  61                 return;
  62             }
  63         }
  64         bulkEditor.getSelService().setSelection(new StructuredSelection());
  65     }
  66 }