d850131f91bf2080072cc03dfe833a459dd35a16
[taxeditor.git] / 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.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.view.concept.operation.CreateConceptRelationOperation;
28 import eu.etaxonomy.taxeditor.model.AbstractUtility;
29 import eu.etaxonomy.taxeditor.model.MessagingUtils;
30 import eu.etaxonomy.taxeditor.model.TaxonRelationshipTypeInverseContainer;
31 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
32 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
33 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonBaseSelectionDialog;
34
35 /**
36 * <p>CreateConceptRelationHandler class.</p>
37 *
38 * @author n.hoffmann
39 * @created 16.04.2009
40 * @version 1.0
41 */
42 public class CreateConceptRelationHandler extends AbstractHandler {
43
44 /* (non-Javadoc)
45 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
46 */
47 /** {@inheritDoc} */
48 @Override
49 public Object execute(ExecutionEvent event) throws ExecutionException {
50 TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
51 Page.NAME);
52
53 Taxon taxonToBeFiltered = editor.getTaxon();
54
55 /* we need to get the activePart before calling TaxonBaseSelectionDialog.selectTaxon(), otherwise the
56 * the variable of the parent applicationContext in event are overwritten during this method call
57 * this is Linux specific bugfix see: #2685 ([LINUX] Editing concept relationships does not work under linux)
58 */
59 IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
60
61 Taxon relatedConcept = TaxonBaseSelectionDialog.selectTaxon(HandlerUtil.getActiveShell(event), editor.getConversationHolder(), taxonToBeFiltered);
62
63
64 if(relatedConcept == null){
65 return Status.CANCEL_STATUS;
66 }
67 TaxonRelationshipType type = (TaxonRelationshipType) ((Event)event.getTrigger()).data;
68 boolean isInverse = type.getInverseLabel().isEmpty()?false:true;
69 TaxonRelationshipTypeInverseContainer typeInverseContainer =new TaxonRelationshipTypeInverseContainer(type, isInverse) ;
70
71
72 IPostOperationEnabled postOperationEnabled = (activePart instanceof IPostOperationEnabled) ? (IPostOperationEnabled) activePart : null;
73
74 try {
75 AbstractPostOperation operation = new CreateConceptRelationOperation(event.getCommand().getName(),
76 editor.getUndoContext(), editor.getTaxon(), relatedConcept, typeInverseContainer, postOperationEnabled);
77 AbstractUtility.executeOperation(operation);
78 } catch (NotDefinedException e) {
79 MessagingUtils.warn(getClass(), "Command name not set");
80 }
81
82 return null;
83 }
84 }