taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/handler/MoveTaxonHandler.java

   1 /**
   2 * Copyright (C) 2007 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
  10 package eu.etaxonomy.taxeditor.navigation.handler;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.UUID;
  15
  16 import org.apache.log4j.Logger;
  17 import org.eclipse.core.commands.AbstractHandler;
  18 import org.eclipse.core.commands.ExecutionEvent;
  19 import org.eclipse.core.commands.ExecutionException;
  20 import org.eclipse.core.commands.operations.IUndoableOperation;
  21 import org.eclipse.jface.dialogs.MessageDialog;
  22 import org.eclipse.swt.widgets.Shell;
  23
  24 import eu.etaxonomy.cdm.model.common.CdmBase;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  26 import eu.etaxonomy.taxeditor.dialogs.filteredSelection.FilteredTaxonNodeSelectionDialog;
  27 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  28 import eu.etaxonomy.taxeditor.operations.IPostOperationEnabled;
  29 import eu.etaxonomy.taxeditor.operations.MoveTaxonOperation;
  30
  31 /**
  32  * @author n.hoffmann
  33  * @created 01.04.2009
  34  * @version 1.0
  35  */
  36 public class MoveTaxonHandler extends AbstractHandler implements IPostOperationEnabled {
  37         private static final Logger logger = Logger
  38                         .getLogger(MoveTaxonHandler.class);
  39         private TaxonNode parentTaxonNode;
  40
  41         /* (non-Javadoc)
  42          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  43          */
  44         public Object execute(ExecutionEvent event) throws ExecutionException {
  45                 Shell shell = NavigationUtil.getShell();
  46                 TaxonNode taxonNode = (TaxonNode) NavigationUtil.getCurrentSelection(event);
  47
  48                 // do not show the current selection
  49                 List<UUID> excludeTaxa = new ArrayList<UUID>();
  50                 excludeTaxa.add(taxonNode.getTaxon().getUuid());
  51                 parentTaxonNode = FilteredTaxonNodeSelectionDialog.selectTaxonNode(shell, "Choose new parent", excludeTaxa, null);
  52
  53                 if(parentTaxonNode != null){
  54
  55                 logger.warn("child " +taxonNode.getTaxon().toString());
  56                 logger.warn("parent " + parentTaxonNode.toString());
  57
  58                         if(NavigationUtil.isDirty(parentTaxonNode)){
  59                                 MessageDialog.openWarning(shell, "Unsaved Parent Taxon", "There are unsaved " +
  60                                                 "changes in the parent taxon. Please save first.");
  61                                 return null;
  62                         }
  63
  64                         IUndoableOperation operation = new MoveTaxonOperation
  65                                         ("Move taxon to new parent", NavigationUtil.getUndoContext(),
  66                                                                 taxonNode, parentTaxonNode, this); //$NON-NLS-1$
  67                         NavigationUtil.executeOperation(operation);
  68
  69                 }
  70
  71                 return null;
  72         }
  73
  74         /* (non-Javadoc)
  75          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
  76          */
  77         public boolean postOperation(CdmBase objectAffectedByOperation) {
  78                 NavigationUtil.selectInNavigator(objectAffectedByOperation, parentTaxonNode);
  79                 return true;
  80         }
  81 }