taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/ChangeToConceptRelationHandler.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.swt.widgets.Event;
  20
  21 import eu.etaxonomy.cdm.model.taxon.Synonym;
  22 import eu.etaxonomy.cdm.model.taxon.Taxon;
  23 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  24 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  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.editor.name.operation.ChangeConceptRelationshipTypeOperation;
  29 import eu.etaxonomy.taxeditor.editor.name.operation.ChangeSynonymToConceptOperation;
  30 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  31
  32 /**
  33  * <p>ChangeToConceptRelationHandler class.</p>
  34  *
  35  * @author n.hoffmann
  36  * @created 22.04.2009
  37  * @version 1.0
  38  */
  39 public class ChangeToConceptRelationHandler extends AbstractHandler implements
  40                 IHandler {
  41         private static final Logger logger = Logger
  42                         .getLogger(ChangeToConceptRelationHandler.class);
  43
  44         /* (non-Javadoc)
  45          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  46          */
  47         /** {@inheritDoc} */
  48         public Object execute(ExecutionEvent event) throws ExecutionException {
  49                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  50                                 Page.NAME);
  51
  52                 TaxonBase taxonBase = (TaxonBase) EditorUtil.getSelection(event).getFirstElement();
  53
  54                 TaxonRelationshipType type = (TaxonRelationshipType) ((Event)event.getTrigger()).data;
  55
  56                 AbstractPostOperation operation;
  57                 try {
  58                         if(taxonBase instanceof Synonym){
  59                                 Synonym synonym = (Synonym) taxonBase;
  60                                 operation = new ChangeSynonymToConceptOperation(event.getCommand().getName(),
  61                                                 editor.getUndoContext(), editor.getTaxon(), synonym, type, editor);
  62                                 EditorUtil.executeOperation(operation);
  63                         }
  64                         if(taxonBase instanceof Taxon){
  65                                 Taxon misapplication = (Taxon) taxonBase;
  66                                 operation = new ChangeConceptRelationshipTypeOperation(event.getCommand().getName(),
  67                                                 editor.getUndoContext(), editor.getTaxon(), misapplication, type, editor);
  68                                 EditorUtil.executeOperation(operation);
  69                         }
  70                 } catch (NotDefinedException e) {
  71                         logger.warn("Command name not set");
  72                 }
  73
  74                 return null;
  75         }
  76 }