|
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.featuretree;
|
|
11
|
|
|
12
|
import java.util.List;
|
|
13
|
|
|
14
|
import org.eclipse.jface.viewers.ITreeContentProvider;
|
|
15
|
import org.eclipse.jface.viewers.Viewer;
|
|
16
|
|
|
17
|
import eu.etaxonomy.cdm.model.term.TermNode;
|
|
18
|
import eu.etaxonomy.cdm.model.term.TermTree;
|
|
19
|
|
|
20
|
/**
|
|
21
|
* <p>FeatureTreeContentProvider class.</p>
|
|
22
|
*
|
|
23
|
* @author n.hoffmann
|
|
24
|
* @created Aug 5, 2010
|
|
25
|
* @version 1.0
|
|
26
|
*/
|
|
27
|
public class FeatureTreeContentProvider implements ITreeContentProvider {
|
|
28
|
|
|
29
|
/* (non-Javadoc)
|
|
30
|
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
|
|
31
|
*/
|
|
32
|
/** {@inheritDoc} */
|
|
33
|
@Override
|
|
34
|
public void dispose() {
|
|
35
|
|
|
36
|
}
|
|
37
|
|
|
38
|
/* (non-Javadoc)
|
|
39
|
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
|
|
40
|
*/
|
|
41
|
/** {@inheritDoc} */
|
|
42
|
@Override
|
|
43
|
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
|
|
44
|
|
|
45
|
}
|
|
46
|
|
|
47
|
/** {@inheritDoc} */
|
|
48
|
@Override
|
|
49
|
public Object[] getElements(Object inputElement) {
|
|
50
|
return this.getChildren(inputElement);
|
|
51
|
}
|
|
52
|
|
|
53
|
/** {@inheritDoc} */
|
|
54
|
@Override
|
|
55
|
public Object[] getChildren(Object parentElement) {
|
|
56
|
if(parentElement instanceof TermTree){
|
|
57
|
List<TermNode> children = ((TermTree) parentElement).getRootChildren();
|
|
58
|
return children.toArray();
|
|
59
|
}else if(parentElement instanceof TermNode){
|
|
60
|
List<TermNode> children = ((TermNode) parentElement).getChildNodes();
|
|
61
|
return children.toArray();
|
|
62
|
}else if(parentElement instanceof List){
|
|
63
|
return ((List<TermNode>) parentElement).toArray();
|
|
64
|
}else{
|
|
65
|
return new Object[]{};
|
|
66
|
}
|
|
67
|
}
|
|
68
|
|
|
69
|
/** {@inheritDoc} */
|
|
70
|
@Override
|
|
71
|
public Object getParent(Object element) {
|
|
72
|
if(element instanceof TermNode){
|
|
73
|
return ((TermNode) element).getParent();
|
|
74
|
}
|
|
75
|
return null;
|
|
76
|
}
|
|
77
|
|
|
78
|
/** {@inheritDoc} */
|
|
79
|
@Override
|
|
80
|
public boolean hasChildren(Object element) {
|
|
81
|
return getChildren(element).length != 0;
|
|
82
|
}
|
|
83
|
}
|