taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/DeleteTaxonBaseHandler.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 import org.apache.log4j.Logger;
  12 import org.eclipse.core.commands.AbstractHandler;
  13 import org.eclipse.core.commands.ExecutionEvent;
  14 import org.eclipse.core.commands.ExecutionException;
  15 import org.eclipse.core.commands.IHandler;
  16 import org.eclipse.core.commands.common.NotDefinedException;
  17
  18 import eu.etaxonomy.cdm.model.taxon.Synonym;
  19 import eu.etaxonomy.cdm.model.taxon.Taxon;
  20 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  21 import eu.etaxonomy.taxeditor.editor.Page;
  22 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  23 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteMisapplicationOperation;
  24 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteSynonymOperation;
  25 import eu.etaxonomy.taxeditor.editor.view.concept.operation.DeleteConceptRelationOperation;
  26 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  27
  28 /**
  29  * <p>DeleteTaxonBaseHandler class.</p>
  30  *
  31  * @author n.hoffmann
  32  * @created 21.04.2009
  33  * @version 1.0
  34  */
  35 public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler {
  36         private static final Logger logger = Logger
  37                                                                 .getLogger(DeleteTaxonBaseHandler.class);
  38         /* (non-Javadoc)
  39          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  40          */
  41         /** {@inheritDoc} */
  42         public Object execute(ExecutionEvent event) throws ExecutionException {
  43                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  44
  45                 Object selectedElement = EditorUtil.getSelection(event).getFirstElement();
  46
  47                 AbstractPostOperation operation = null;
  48                 String commandName = null;
  49
  50
  51                 try {
  52                         commandName = event.getCommand().getName();
  53                 } catch (NotDefinedException e) {
  54                         logger.error(e);
  55                         throw new RuntimeException(e);
  56                 }
  57
  58
  59                 // synonym
  60                 if(selectedElement instanceof Synonym){
  61                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, editor);
  62                 }
  63                 // misapplication
  64                 else if(selectedElement instanceof Taxon && ((Taxon) selectedElement).isMisapplication()){
  65                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  66                                         .getTaxon(), (Taxon) selectedElement, editor);
  67                 }
  68                 else {
  69                         throw new IllegalArgumentException("Element has to be Synonym, Misapplication or Concept");
  70                 }
  71
  72                 EditorUtil.executeOperation(operation);
  73
  74                 return null;
  75         }
  76
  77 }