|
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.descriptive;
|
|
12
|
|
|
13
|
import java.util.ArrayList;
|
|
14
|
import java.util.List;
|
|
15
|
|
|
16
|
import org.eclipse.jface.viewers.IStructuredSelection;
|
|
17
|
import org.eclipse.swt.dnd.DND;
|
|
18
|
import org.eclipse.swt.dnd.DragSourceAdapter;
|
|
19
|
import org.eclipse.swt.dnd.DragSourceEvent;
|
|
20
|
|
|
21
|
import eu.etaxonomy.cdm.model.description.DescriptionBase;
|
|
22
|
import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
|
|
23
|
import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
|
|
24
|
|
|
25
|
/**
|
|
26
|
* @author n.hoffmann
|
|
27
|
* @created Feb 8, 2011
|
|
28
|
* @version 1.0
|
|
29
|
*/
|
|
30
|
public class DescriptionElementDragListener extends DragSourceAdapter {
|
|
31
|
|
|
32
|
private DescriptiveViewPart part;
|
|
33
|
|
|
34
|
public DescriptionElementDragListener(DescriptiveViewPart part){
|
|
35
|
this.part = part;
|
|
36
|
}
|
|
37
|
|
|
38
|
/**
|
|
39
|
* Method declared on DragSourceListener
|
|
40
|
*/
|
|
41
|
public void dragFinished(DragSourceEvent event) {
|
|
42
|
if (!event.doit)
|
|
43
|
return;
|
|
44
|
// FIXME what to do here?
|
|
45
|
if (event.detail != DND.DROP_NONE) {
|
|
46
|
IStructuredSelection selection = (IStructuredSelection) part.getViewer()
|
|
47
|
.getSelection();
|
|
48
|
part.changed(null);
|
|
49
|
}
|
|
50
|
}
|
|
51
|
|
|
52
|
/**
|
|
53
|
* Method declared on DragSourceListener
|
|
54
|
*/
|
|
55
|
public void dragSetData(DragSourceEvent event) {
|
|
56
|
IStructuredSelection selection = (IStructuredSelection) part.getViewer()
|
|
57
|
.getSelection();
|
|
58
|
List<DescriptionElementBase> descriptionElements = new ArrayList<DescriptionElementBase>();
|
|
59
|
for (Object object : selection.toList()){
|
|
60
|
if(object instanceof DescriptionBase){
|
|
61
|
descriptionElements.addAll(((DescriptionBase) object).getElements());
|
|
62
|
}else if(object instanceof FeatureNodeContainer){
|
|
63
|
descriptionElements.addAll(((FeatureNodeContainer) object).getDescriptionElements());
|
|
64
|
}else if(object instanceof DescriptionElementBase){
|
|
65
|
descriptionElements.add((DescriptionElementBase)object);
|
|
66
|
}
|
|
67
|
|
|
68
|
}
|
|
69
|
if (DescriptionElementTransfer.getInstance().isSupportedType(
|
|
70
|
event.dataType)) {
|
|
71
|
event.data = descriptionElements.toArray(new DescriptionElementBase[descriptionElements.size()]);
|
|
72
|
}
|
|
73
|
}
|
|
74
|
|
|
75
|
/**
|
|
76
|
* Method declared on DragSourceListener
|
|
77
|
*/
|
|
78
|
public void dragStart(DragSourceEvent event) {
|
|
79
|
event.doit = !part.getViewer().getSelection().isEmpty();
|
|
80
|
}
|
|
81
|
|
|
82
|
}
|