taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/ChangeConceptRelationshipTypeHandler.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.swt.widgets.Event;
  23 import org.eclipse.ui.handlers.HandlerUtil;
  24
  25 import eu.etaxonomy.cdm.model.taxon.Taxon;
  26 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  27 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  28 import eu.etaxonomy.taxeditor.editor.Page;
  29 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  30 import eu.etaxonomy.taxeditor.propertysheet.name.TaxonBasePropertySource;
  31 import eu.etaxonomy.taxeditor.store.operations.ChangeConceptRelationshipTypeOperation;
  32
  33 /**
  34  * @author n.hoffmann
  35  * @created 22.04.2009
  36  * @version 1.0
  37  */
  38 public class ChangeConceptRelationshipTypeHandler extends AbstractHandler
  39                 implements IHandler {
  40         private static final Logger logger = Logger
  41                         .getLogger(ChangeConceptRelationshipTypeHandler.class);
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  45          */
  46         public Object execute(ExecutionEvent event) throws ExecutionException {
  47                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  48                                 Page.NAME);
  49
  50                 ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);
  51
  52                 Taxon relatedTaxon = (Taxon) ((TaxonBasePropertySource) ((StructuredSelection) menuSelection).getFirstElement()).getTaxonBase();
  53
  54                 TaxonRelationshipType type = (TaxonRelationshipType) ((Event)event.getTrigger()).data;
  55
  56                 IUndoableOperation operation;
  57                 try {
  58                         operation = new ChangeConceptRelationshipTypeOperation(event.getCommand().getName(),
  59                                                                                 editor.getUndoContext(), editor.getTaxon(), relatedTaxon, type, editor);
  60                         EditorUtil.executeOperation(operation);
  61                 } catch (NotDefinedException e) {
  62                         logger.warn("Command name not set");
  63                 }
  64
  65                 return null;
  66         }
  67 }