|
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
|
|
|
10
|
package eu.etaxonomy.taxeditor.editor.view.media.operation;
|
|
11
|
|
|
12
|
import java.util.Collections;
|
|
13
|
import java.util.List;
|
|
14
|
import java.util.Set;
|
|
15
|
|
|
16
|
import org.eclipse.core.commands.ExecutionException;
|
|
17
|
import org.eclipse.core.commands.operations.IUndoContext;
|
|
18
|
import org.eclipse.core.runtime.IAdaptable;
|
|
19
|
import org.eclipse.core.runtime.IProgressMonitor;
|
|
20
|
import org.eclipse.core.runtime.IStatus;
|
|
21
|
|
|
22
|
import eu.etaxonomy.cdm.model.description.DescriptionBase;
|
|
23
|
import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
|
|
24
|
import eu.etaxonomy.cdm.model.media.Media;
|
|
25
|
import eu.etaxonomy.cdm.model.taxon.Taxon;
|
|
26
|
import eu.etaxonomy.taxeditor.editor.l10n.Messages;
|
|
27
|
import eu.etaxonomy.taxeditor.model.MessagingUtils;
|
|
28
|
import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
|
|
29
|
import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
|
|
30
|
|
|
31
|
/**
|
|
32
|
* <p>MoveMediaInListOperation class.</p>
|
|
33
|
*
|
|
34
|
* @author p.ciardelli
|
|
35
|
* @created 05.02.2009
|
|
36
|
* @version 1.0
|
|
37
|
*/
|
|
38
|
public class MoveMediaInListOperation extends AbstractPostTaxonOperation {
|
|
39
|
|
|
40
|
/** Constant <code>UP=1</code> */
|
|
41
|
public static final int UP = -1;
|
|
42
|
/** Constant <code>DOWN=-1</code> */
|
|
43
|
public static final int DOWN = 1;
|
|
44
|
|
|
45
|
private DescriptionBase description;
|
|
46
|
private Media media;
|
|
47
|
private int direction;
|
|
48
|
|
|
49
|
/**
|
|
50
|
* <p>Constructor for MoveMediaInListOperation.</p>
|
|
51
|
*
|
|
52
|
* @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
|
|
53
|
* @param taxon a {@link eu.etaxonomy.cdm.model.taxon.Taxon} object.
|
|
54
|
* @param label a {@link java.lang.String} object.
|
|
55
|
* @param description a {@link eu.etaxonomy.cdm.model.description.DescriptionBase} object.
|
|
56
|
* @param media a {@link eu.etaxonomy.cdm.model.media.Media} object.
|
|
57
|
* @param direction a int.
|
|
58
|
* @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
|
|
59
|
*/
|
|
60
|
public MoveMediaInListOperation(String label, IUndoContext undoContext,
|
|
61
|
Taxon taxon, DescriptionBase description, Media media,
|
|
62
|
int direction, IPostOperationEnabled postOperationEnabled) {
|
|
63
|
super(label, undoContext, taxon, postOperationEnabled);
|
|
64
|
|
|
65
|
this.description = description;
|
|
66
|
this.media = media;
|
|
67
|
this.direction = direction;
|
|
68
|
}
|
|
69
|
|
|
70
|
/* (non-Javadoc)
|
|
71
|
* @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
|
|
72
|
*/
|
|
73
|
/** {@inheritDoc} */
|
|
74
|
@Override
|
|
75
|
public IStatus execute(IProgressMonitor monitor, IAdaptable info)
|
|
76
|
throws ExecutionException {
|
|
77
|
|
|
78
|
monitor.worked(20);
|
|
79
|
|
|
80
|
moveMedia(description, media, direction);
|
|
81
|
monitor.worked(40);
|
|
82
|
|
|
83
|
return postExecute(media);
|
|
84
|
}
|
|
85
|
|
|
86
|
/* (non-Javadoc)
|
|
87
|
* @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
|
|
88
|
*/
|
|
89
|
/** {@inheritDoc} */
|
|
90
|
@Override
|
|
91
|
public IStatus redo(IProgressMonitor monitor, IAdaptable info)
|
|
92
|
throws ExecutionException {
|
|
93
|
return execute(monitor, info);
|
|
94
|
}
|
|
95
|
|
|
96
|
/* (non-Javadoc)
|
|
97
|
* @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
|
|
98
|
*/
|
|
99
|
/** {@inheritDoc} */
|
|
100
|
@Override
|
|
101
|
public IStatus undo(IProgressMonitor monitor, IAdaptable info)
|
|
102
|
throws ExecutionException {
|
|
103
|
moveMedia(description, media, direction * -1);
|
|
104
|
return postExecute(media);
|
|
105
|
}
|
|
106
|
|
|
107
|
private void moveMedia(DescriptionBase description, Media media, int direction){
|
|
108
|
Set<DescriptionElementBase> elements = description.getElements();
|
|
109
|
|
|
110
|
if(elements.size() != 1){
|
|
111
|
MessagingUtils.error(this.getClass(), Messages.MoveMediaInListOperation_MORE_DESC, null);
|
|
112
|
}
|
|
113
|
|
|
114
|
DescriptionElementBase element = elements.iterator().next();
|
|
115
|
|
|
116
|
List<Media> medias = element.getMedia();
|
|
117
|
|
|
118
|
int index = medias.indexOf(media);
|
|
119
|
int newIndex = index + direction;
|
|
120
|
|
|
121
|
if(index < 0){
|
|
122
|
return;
|
|
123
|
}
|
|
124
|
|
|
125
|
if (newIndex >= 0 && newIndex < medias.size()) {
|
|
126
|
try{
|
|
127
|
Collections.swap(medias, newIndex, index);
|
|
128
|
}catch(ArrayIndexOutOfBoundsException e){
|
|
129
|
MessagingUtils.error(this.getClass(), e);
|
|
130
|
}
|
|
131
|
}
|
|
132
|
}
|
|
133
|
}
|