- fixed possible ClassCastException (#4533)
[taxeditor.git] / eu.etaxonomy.taxeditor.editor / src / main / java / eu / etaxonomy / taxeditor / editor / view / media / operation / DeleteMediaOperation.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.media.operation;
12
13 import org.eclipse.core.commands.ExecutionException;
14 import org.eclipse.core.commands.operations.IUndoContext;
15 import org.eclipse.core.runtime.IAdaptable;
16 import org.eclipse.core.runtime.IProgressMonitor;
17 import org.eclipse.core.runtime.IStatus;
18
19 import eu.etaxonomy.cdm.api.utility.ImagesUtility;
20 import eu.etaxonomy.cdm.model.description.DescriptionBase;
21 import eu.etaxonomy.cdm.model.media.Media;
22 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
23 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
24
25 /**
26 * <p>DeleteMediaOperation class.</p>
27 *
28 * @author p.ciardelli
29 * @created 31.03.2009
30 * @version 1.0
31 */
32 public class DeleteMediaOperation extends AbstractPostTaxonOperation {
33
34 private final Media media;
35
36 private final DescriptionBase<?> description;
37
38 /**
39 * <p>Constructor for DeleteMediaOperation.</p>
40 *
41 * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
42 * @param label a {@link java.lang.String} object.
43 * @param description a {@link eu.etaxonomy.cdm.model.description.DescriptionBase} object.
44 * @param media a {@link eu.etaxonomy.cdm.model.media.Media} object.
45 * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
46 */
47 public DeleteMediaOperation(String label, IUndoContext undoContext,
48 DescriptionBase<?> description, Media media, IPostOperationEnabled postOperationEnabled) {
49 super(label, undoContext, postOperationEnabled);
50
51 this.media = media;
52 this.description = description;
53 }
54
55 /* (non-Javadoc)
56 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
57 */
58 /** {@inheritDoc} */
59 @Override
60 public IStatus execute(IProgressMonitor monitor, IAdaptable info)
61 throws ExecutionException {
62
63 monitor.worked(20);
64 ImagesUtility.removeMediaFromGallery(description, media);
65 monitor.worked(40);
66
67 return postExecute(null);
68 }
69
70 /* (non-Javadoc)
71 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
72 */
73 /** {@inheritDoc} */
74 @Override
75 public IStatus redo(IProgressMonitor monitor, IAdaptable info)
76 throws ExecutionException {
77 return execute(monitor, info);
78 }
79
80 /* (non-Javadoc)
81 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
82 */
83 /** {@inheritDoc} */
84 @Override
85 public IStatus undo(IProgressMonitor monitor, IAdaptable info)
86 throws ExecutionException {
87
88 ImagesUtility.addMediaToGallery(description, media);
89
90 return postExecute(null);
91 }
92
93
94 }