taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/key/polytomous/handler/DeleteHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.navigation.key.polytomous.handler;
  12
  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.common.NotDefinedException;
  17 import org.eclipse.jface.viewers.IStructuredSelection;
  18 import org.eclipse.ui.handlers.HandlerUtil;
  19
  20 import eu.etaxonomy.cdm.model.description.PolytomousKey;
  21 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  22 import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewPart;
  23 import eu.etaxonomy.taxeditor.navigation.key.polytomous.operation.DeleteOperation;
  24 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  25
  26 /**
  27  * @author n.hoffmann
  28  * @created Dec 3, 2010
  29  * @version 1.0
  30  */
  31 public class DeleteHandler extends AbstractHandler {
  32
  33         /* (non-Javadoc)
  34          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  35          */
  36         @Override
  37         public Object execute(ExecutionEvent event) throws ExecutionException {
  38                 IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
  39
  40                 PolytomousKey key = (PolytomousKey) selection.getFirstElement();
  41
  42                 if(NavigationUtil.confirmDialog("Confirm deletaion", "Do you really want to delete the key: " + key.getTitleCache())){
  43
  44                         try {
  45                                 AbstractPostOperation operation = new DeleteOperation(
  46                                                 event.getCommand().getName(),
  47                                                 NavigationUtil.getUndoContext(), key,
  48                                                 (PolytomousKeyViewPart) NavigationUtil.getView(PolytomousKeyViewPart.ID, false),
  49                                                 (PolytomousKeyViewPart) NavigationUtil.getView(PolytomousKeyViewPart.ID, false));
  50                                 NavigationUtil.executeOperation(operation);
  51                         } catch (NotDefinedException e) {
  52                                 NavigationUtil.error(getClass(), e);
  53                         }
  54                 }
  55
  56                 return null;
  57         }
  58
  59 }