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 org.apache.log4j.Logger;
  13 import org.eclipse.core.commands.AbstractHandler;
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.core.commands.operations.IUndoableOperation;
  17 import org.eclipse.jface.dialogs.MessageDialog;
  18 import org.eclipse.swt.widgets.Dialog;
  19 import org.eclipse.swt.widgets.Shell;
  20
  21 import eu.etaxonomy.cdm.model.taxon.Taxon;
  22 import eu.etaxonomy.taxeditor.editor.name.TaxonSearchDialog;
  23 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  24 import eu.etaxonomy.taxeditor.store.operations.MoveTaxonOperation;
  25
  26 /**
  27  * @author n.hoffmann
  28  * @created 01.04.2009
  29  * @version 1.0
  30  */
  31 public class MoveTaxonHandler extends AbstractHandler {
  32         private static final Logger logger = Logger
  33                         .getLogger(MoveTaxonHandler.class);
  34
  35         /* (non-Javadoc)
  36          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  37          */
  38         public Object execute(ExecutionEvent event) throws ExecutionException {
  39                 Shell shell = NavigationUtil.getShell();
  40                 Taxon taxon = (Taxon) NavigationUtil.getCurrentSelection(event);
  41
  42                 Dialog dialog = new TaxonSearchDialog(shell);
  43         Object value = ((TaxonSearchDialog) dialog).open();
  44
  45         logger.warn("child " +taxon.toString());
  46         logger.warn("parent " + ((Taxon) value).toString());
  47
  48                 if (value instanceof Taxon) {
  49                         Taxon parentTaxon = (Taxon) value;
  50
  51                         if(NavigationUtil.isDirty(parentTaxon)){
  52                                 MessageDialog.openWarning(shell, "Unsaved Parent Taxon", "There are unsaved " +
  53                                                 "changes in the parent taxon. Pleas save first.");
  54                                 return null;
  55                         }
  56
  57                         IUndoableOperation operation = new MoveTaxonOperation
  58                                         ("Move taxon to new parent", NavigationUtil.getUndoContext(),
  59                                                                 taxon, parentTaxon); //$NON-NLS-1$
  60                         NavigationUtil.executeOperation(operation);
  61                 } else {
  62                         logger.warn("TaxonSearchDialog did not return a Taxon object.");
  63                 }
  64
  65                 return null;
  66         }
  67 }