eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/editor/definedterm/handler/DeleteTermBaseHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2009 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 package eu.etaxonomy.taxeditor.editor.definedterm.handler;
  11
  12 import java.util.Iterator;
  13
  14 import org.eclipse.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.core.commands.common.NotDefinedException;
  18 import org.eclipse.core.commands.operations.IUndoContext;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 import eu.etaxonomy.cdm.model.common.TermBase;
  23 import eu.etaxonomy.taxeditor.editor.definedterm.DefinedTermEditor;
  24 import eu.etaxonomy.taxeditor.editor.definedterm.operation.DeleteTermBaseOperation;
  25 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  26 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  27 import eu.etaxonomy.taxeditor.store.StoreUtil;
  28
  29 /**
  30  * @author l.morris
  31  * @date 22 Dec 2011
  32  *
  33  */
  34 public class DeleteTermBaseHandler extends AbstractHandler {
  35
  36         /* (non-Javadoc)
  37          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  38          */
  39         @Override
  40         public Object execute(ExecutionEvent event) throws ExecutionException {
  41                 DefinedTermEditor editor = (DefinedTermEditor) HandlerUtil
  42                                 .getActiveEditor(event);
  43
  44                 if (editor instanceof DefinedTermEditor){
  45                         DefinedTermEditor dfe = (DefinedTermEditor) editor;
  46                         try {
  47                                 String label = event.getCommand().getName();
  48                                 IUndoContext undoContext = StoreUtil.getUndoContext();
  49
  50                                 IStructuredSelection selection = (IStructuredSelection) HandlerUtil
  51                                                 .getCurrentSelection(event);
  52
  53                                 Iterator<TermBase> selectionIterator = selection.iterator();
  54
  55                                 while (selectionIterator.hasNext()){
  56
  57                                         TermBase term = selectionIterator.next();
  58
  59
  60                                         AbstractPostOperation operation =
  61                                                         new DeleteTermBaseOperation(label,
  62                                                                         undoContext,
  63                                                                         term,
  64                                                                         dfe.getDefinedTermEditorInput(),
  65                                                                         editor);
  66                                         StoreUtil.executeOperation(operation);
  67
  68                                 }
  69                         } catch (NotDefinedException e) {
  70                                 MessagingUtils.error(getClass(), e);
  71                         }
  72                 }
  73                 return null;
  74         }
  75
  76 }