eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/ChangeToConceptRelationHandler.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.editor.name.handler;
  11
  12 import org.apache.log4j.Logger;
  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.IHandler;
  17 import org.eclipse.core.commands.common.NotDefinedException;
  18 import org.eclipse.swt.widgets.Event;
  19
  20 import eu.etaxonomy.cdm.model.taxon.Synonym;
  21 import eu.etaxonomy.cdm.model.taxon.Taxon;
  22 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  23 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  24 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  25 import eu.etaxonomy.taxeditor.editor.Page;
  26 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  27 import eu.etaxonomy.taxeditor.editor.name.operation.ChangeConceptRelationshipTypeOperation;
  28 import eu.etaxonomy.taxeditor.editor.name.operation.ChangeSynonymToConceptOperation;
  29 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  30
  31 /**
  32  * <p>ChangeToConceptRelationHandler class.</p>
  33  *
  34  * @author n.hoffmann
  35  * @created 22.04.2009
  36  * @version 1.0
  37  */
  38 public class ChangeToConceptRelationHandler extends AbstractHandler implements
  39                 IHandler {
  40         private static final Logger logger = Logger
  41                         .getLogger(ChangeToConceptRelationHandler.class);
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  45          */
  46         /** {@inheritDoc} */
  47         public Object execute(ExecutionEvent event) throws ExecutionException {
  48                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  49                                 Page.NAME);
  50
  51                 TaxonBase taxonBase = (TaxonBase) EditorUtil.getSelection(event).getFirstElement();
  52
  53                 TaxonRelationshipType type = (TaxonRelationshipType) ((Event)event.getTrigger()).data;
  54
  55                 AbstractPostOperation operation;
  56                 try {
  57                         if(taxonBase instanceof Synonym){
  58                                 Synonym synonym = (Synonym) taxonBase;
  59                                 operation = new ChangeSynonymToConceptOperation(event.getCommand().getName(),
  60                                                 editor.getUndoContext(), editor.getTaxon(), synonym, type, editor);
  61                                 EditorUtil.executeOperation(operation);
  62                         }
  63                         if(taxonBase instanceof Taxon){
  64                                 Taxon misapplication = (Taxon) taxonBase;
  65                                 operation = new ChangeConceptRelationshipTypeOperation(event.getCommand().getName(),
  66                                                 editor.getUndoContext(), editor.getTaxon(), misapplication, type, editor);
  67                                 EditorUtil.executeOperation(operation);
  68                         }
  69                 } catch (NotDefinedException e) {
  70                         logger.warn("Command name not set"); //$NON-NLS-1$
  71                 }
  72
  73                 return null;
  74         }
  75 }