eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/handler/CreateConceptRelationHandler.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.view.concept.handler;
  12
  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.common.NotDefinedException;
  17 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.swt.widgets.Event;
  19 import org.eclipse.ui.IWorkbenchPart;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 import eu.etaxonomy.cdm.model.taxon.Taxon;
  23 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  24 import eu.etaxonomy.taxeditor.editor.Page;
  25 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  26 import eu.etaxonomy.taxeditor.editor.view.concept.operation.CreateConceptRelationOperation;
  27 import eu.etaxonomy.taxeditor.model.TaxonRelationshipTypeInverseContainer;
  28 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  29 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  30 import eu.etaxonomy.taxeditor.ui.dialogs.filteredSelection.TaxonBaseSelectionDialog;
  31
  32 /**
  33  * <p>CreateConceptRelationHandler class.</p>
  34  *
  35  * @author n.hoffmann
  36  * @created 16.04.2009
  37  * @version 1.0
  38  */
  39 public class CreateConceptRelationHandler extends AbstractHandler {
  40
  41         /* (non-Javadoc)
  42          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  43          */
  44         /** {@inheritDoc} */
  45         public Object execute(ExecutionEvent event) throws ExecutionException {
  46                 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
  47                                 Page.NAME);
  48
  49                 Taxon relatedConcept = TaxonBaseSelectionDialog.selectTaxon(HandlerUtil.getActiveShell(event), editor.getConversationHolder());
  50
  51                 if(relatedConcept == null){
  52                         return Status.CANCEL_STATUS;
  53                 }
  54
  55                 TaxonRelationshipTypeInverseContainer typeInverseContainer = (TaxonRelationshipTypeInverseContainer) ((Event)event.getTrigger()).data;
  56
  57                 IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
  58                 IPostOperationEnabled postOperationEnabled = (activePart instanceof IPostOperationEnabled) ? (IPostOperationEnabled) activePart : null;
  59
  60                 try {
  61                         AbstractPostOperation operation = new CreateConceptRelationOperation(event.getCommand().getName(),
  62                                         editor.getUndoContext(), editor.getTaxon(), relatedConcept, typeInverseContainer, postOperationEnabled);
  63                         EditorUtil.executeOperation(operation);
  64                 } catch (NotDefinedException e) {
  65                         EditorUtil.warn(getClass(), "Command name not set");
  66                 }
  67
  68                 return null;
  69         }
  70 }