taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/ChangeToSynonymHandler.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.editor.name.handler;
  12
  13 import org.apache.log4j.Logger;
  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.IHandler;
  18 import org.eclipse.core.commands.common.NotDefinedException;
  19 import org.eclipse.core.commands.operations.IUndoableOperation;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.StructuredSelection;
  22 import org.eclipse.ui.handlers.HandlerUtil;
  23
  24 import eu.etaxonomy.cdm.model.taxon.Taxon;
  25 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  26 import eu.etaxonomy.taxeditor.editor.Page;
  27 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  28 import eu.etaxonomy.taxeditor.operations.ChangeConceptToSynonymOperation;
  29 import eu.etaxonomy.taxeditor.propertysheet.name.TaxonBasePropertySource;
  30
  31 /**
  32  * @author n.hoffmann
  33  * @created 21.04.2009
  34  * @version 1.0
  35  */
  36 public class ChangeToSynonymHandler extends AbstractHandler implements
  37                 IHandler {
  38         private static final Logger logger = Logger
  39                         .getLogger(ChangeToSynonymHandler.class);
  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                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  46                                 Page.NAME);
  47
  48                 ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);
  49
  50                 TaxonBasePropertySource propertySource = (TaxonBasePropertySource) ((StructuredSelection) menuSelection).getFirstElement();
  51                 Taxon concept = (Taxon) propertySource.getTaxonBase();
  52
  53                 IUndoableOperation operation;
  54                 try {
  55                         operation = new ChangeConceptToSynonymOperation(event.getCommand().getName(),
  56                                         editor.getUndoContext(), editor.getTaxon(), concept, null, editor);
  57
  58                         EditorUtil.executeOperation(operation);
  59                 } catch (NotDefinedException e) {
  60                         logger.warn("Command name not set");
  61                 }
  62
  63                 return null;
  64         }
  65 }