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// $Id$
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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix;
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import java.util.Collection;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.nebula.widgets.nattable.data.IRowDataProvider;
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import org.eclipse.nebula.widgets.nattable.extension.e4.selection.E4SelectionListener;
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import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell;
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import org.eclipse.nebula.widgets.nattable.layer.event.ILayerEvent;
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import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
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import org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent;
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import org.eclipse.nebula.widgets.nattable.selection.event.RowSelectionEvent;
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import eu.etaxonomy.cdm.api.service.dto.RowWrapperDTO;
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/**
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* @author pplitzner
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* @date 09.07.2018
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*
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*/
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final class CellSelectionListener extends E4SelectionListener<Object> {
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private CharacterMatrixPart part;
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public CellSelectionListener(
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ESelectionService service,
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SelectionLayer selectionLayer,
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IRowDataProvider<Object> rowDataProvider,
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CharacterMatrixPart part) {
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super(service, selectionLayer, rowDataProvider);
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this.part = part;
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}
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@Override
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public void handleLayerEvent(ILayerEvent event) {
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if(event instanceof CellSelectionEvent){
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CellSelectionEvent cellSelectionEvent = (CellSelectionEvent)event;
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int columnPosition = cellSelectionEvent.getColumnPosition();
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if(columnPosition>=CharacterMatrix.LEADING_COLUMN_COUNT){
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Collection<ILayerCell> selectedCells = cellSelectionEvent.getSelectionLayer().getSelectedCells();
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if(selectedCells.size()==1){
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ILayerCell cell = selectedCells.iterator().next();
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Object dataValue = cell.getDataValue();
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if(dataValue!=null){
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part.getSelectionService().setSelection(new StructuredSelection(dataValue));
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return;
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}
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}
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}
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}
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else if(event instanceof RowSelectionEvent){
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RowSelectionEvent rowSelectionEvent = (RowSelectionEvent) event;
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int[] fullySelectedRowPositions = rowSelectionEvent.getSelectionLayer().getFullySelectedRowPositions();
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if(fullySelectedRowPositions.length==1){
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Object rowObject = part.getMatrix().getBodyDataProvider().getRowObject(fullySelectedRowPositions[0]);
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if(rowObject instanceof RowWrapperDTO){
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part.getSelectionService().setSelection(new StructuredSelection(((RowWrapperDTO) rowObject).getDescription()));
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return;
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}
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}
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}
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part.getSelectionService().setSelection(new StructuredSelection());
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}
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}
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