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.operation.AbstractPostOperation;
  26 import eu.etaxonomy.taxeditor.store.StoreUtil;
  27
  28 /**
  29  * @author l.morris
  30  * @date 22 Dec 2011
  31  *
  32  */
  33 public class DeleteTermBaseHandler extends AbstractHandler {
  34
  35         /* (non-Javadoc)
  36          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  37          */
  38         @Override
  39         public Object execute(ExecutionEvent event) throws ExecutionException {
  40                 DefinedTermEditor editor = (DefinedTermEditor) HandlerUtil
  41                                 .getActiveEditor(event);
  42
  43                 if (editor instanceof DefinedTermEditor){
  44                         DefinedTermEditor dfe = (DefinedTermEditor) editor;
  45                         try {
  46                                 String label = event.getCommand().getName();
  47                                 IUndoContext undoContext = StoreUtil.getUndoContext();
  48
  49                                 IStructuredSelection selection = (IStructuredSelection) HandlerUtil
  50                                                 .getCurrentSelection(event);
  51
  52                                 Iterator<TermBase> selectionIterator = selection.iterator();
  53
  54                                 while (selectionIterator.hasNext()){
  55
  56                                         TermBase term = selectionIterator.next();
  57
  58
  59                                         AbstractPostOperation operation =
  60                                                         new DeleteTermBaseOperation(label,
  61                                                                         undoContext,
  62                                                                         term,
  63                                                                         dfe.getDefinedTermEditorInput(),
  64                                                                         editor);
  65                                         StoreUtil.executeOperation(operation);
  66
  67                                 }
  68                         } catch (NotDefinedException e) {
  69                                 StoreUtil.error(getClass(), e);
  70                         }
  71                 }
  72                 return null;
  73         }
  74
  75 }