ref #6932 Asjust menu item visibility
[taxeditor.git] / eu.etaxonomy.taxeditor.bulkeditor / src / main / java / eu / etaxonomy / taxeditor / bulkeditor / e4 / handler / SetMergeCandidateHandlerE4.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 package eu.etaxonomy.taxeditor.bulkeditor.e4.handler;
10
11 import javax.inject.Named;
12
13 import org.eclipse.e4.core.di.annotations.CanExecute;
14 import org.eclipse.e4.core.di.annotations.Execute;
15 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
16 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
17 import org.eclipse.e4.ui.services.IServiceConstants;
18
19 import eu.etaxonomy.cdm.model.common.CdmBase;
20 import eu.etaxonomy.taxeditor.bulkeditor.e4.BulkEditorE4;
21 import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
22
23 /**
24 *
25 * @author pplitzner
26 * @date 12.09.2017
27 *
28 */
29 public class SetMergeCandidateHandlerE4 {
30
31 @Execute
32 public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)CdmBase selection,
33 @Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
34 BulkEditorE4 editor = (BulkEditorE4) activePart.getObject();
35 AbstractBulkEditorInput input = editor.getEditorInput();
36 if(input.getMergeTarget()!=null
37 && input.getMergeTarget().equals(selection)){
38 input.setMergeTarget(null);
39 }
40 input.addMergeCandidate(selection);
41 editor.refresh();
42 }
43
44 @CanExecute
45 public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)CdmBase selection,
46 @Named(IServiceConstants.ACTIVE_PART)MPart activePart,
47 MHandledMenuItem menuItem) {
48 boolean canExecute = false;
49 BulkEditorE4 editor = (BulkEditorE4) activePart.getObject();
50 canExecute = selection!=null
51 && !editor.getEditorInput().getMergeCandidates().contains(selection);
52 menuItem.setVisible(canExecute);
53 return canExecute;
54 }
55 }