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 import org.eclipse.core.commands.operations.IUndoableOperation;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.StructuredSelection;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 import eu.etaxonomy.cdm.model.taxon.Synonym;
  23 import eu.etaxonomy.cdm.model.taxon.Taxon;
  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.propertysheet.name.ConceptPropertySource;
  28 import eu.etaxonomy.taxeditor.propertysheet.name.MisapplicationPropertySource;
  29 import eu.etaxonomy.taxeditor.propertysheet.name.SynonymPropertySource;
  30 import eu.etaxonomy.taxeditor.propertysheet.name.TaxonBasePropertySource;
  31 import eu.etaxonomy.taxeditor.store.operations.DeleteConceptRelationOperation;
  32 import eu.etaxonomy.taxeditor.store.operations.DeleteMisapplicationOperation;
  33 import eu.etaxonomy.taxeditor.store.operations.DeleteSynonymOperation;
  34
  35 /**
  36  *
  37  * @author n.hoffmann
  38  * @created 21.04.2009
  39  * @version 1.0
  40  */
  41 public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler {
  42         private static final Logger logger = Logger
  43                                                                 .getLogger(DeleteTaxonBaseHandler.class);
  44         /* (non-Javadoc)
  45          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  46          */
  47         public Object execute(ExecutionEvent event) throws ExecutionException {
  48                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  49                                 Page.NAME);
  50                 ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);
  51
  52                 TaxonBasePropertySource taxonBasePropertySource = (TaxonBasePropertySource) ((StructuredSelection) menuSelection).getFirstElement();
  53
  54                 IUndoableOperation operation = null;
  55                 String commandName = null;
  56
  57                 try{
  58                         commandName = event.getCommand().getName();
  59                 }catch (NotDefinedException e) {
  60                         logger.warn("Command name not set");
  61                 }
  62
  63                 // synonym
  64                 if(taxonBasePropertySource instanceof SynonymPropertySource){
  65                         Synonym synonym = (Synonym) taxonBasePropertySource.getTaxonBase();
  66                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), synonym, editor);
  67                 }
  68
  69                 // misapplication
  70                 if(taxonBasePropertySource instanceof MisapplicationPropertySource){
  71                         Taxon misapplication = (Taxon) taxonBasePropertySource.getTaxonBase();
  72                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  73                                         .getTaxon(), misapplication, editor);
  74                 }
  75
  76                 // concept relation
  77                 if(taxonBasePropertySource instanceof ConceptPropertySource){
  78                         Taxon concept = (Taxon) taxonBasePropertySource.getTaxonBase();
  79                         operation = new DeleteConceptRelationOperation(commandName, editor.getUndoContext(), editor.getTaxon(), concept, editor);
  80                 }
  81
  82                 EditorUtil.executeOperation(operation);
  83
  84                 return null;
  85         }
  86
  87 }