|
1
|
// $Id$
|
|
2
|
/**
|
|
3
|
* Copyright (C) 2009 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
|
package eu.etaxonomy.taxeditor.editor.definedterm;
|
|
11
|
|
|
12
|
import java.util.Collection;
|
|
13
|
import java.util.HashSet;
|
|
14
|
import java.util.Set;
|
|
15
|
import java.util.SortedSet;
|
|
16
|
|
|
17
|
import org.eclipse.jface.viewers.ITreeContentProvider;
|
|
18
|
import org.eclipse.jface.viewers.Viewer;
|
|
19
|
|
|
20
|
import eu.etaxonomy.cdm.model.common.DefinedTermBase;
|
|
21
|
import eu.etaxonomy.cdm.model.common.TermVocabulary;
|
|
22
|
import eu.etaxonomy.taxeditor.store.CdmStore;
|
|
23
|
|
|
24
|
/**
|
|
25
|
* @author l.morris
|
|
26
|
* @date 8 Dec 2011
|
|
27
|
*
|
|
28
|
*/
|
|
29
|
public class TermContentProvider implements ITreeContentProvider {
|
|
30
|
|
|
31
|
/* (non-Javadoc)
|
|
32
|
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
|
|
33
|
*/
|
|
34
|
@Override
|
|
35
|
public void dispose() {
|
|
36
|
// TODO Auto-generated method stub
|
|
37
|
|
|
38
|
}
|
|
39
|
|
|
40
|
/* (non-Javadoc)
|
|
41
|
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
|
|
42
|
*/
|
|
43
|
@Override
|
|
44
|
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
|
|
45
|
// TODO Auto-generated method stub
|
|
46
|
|
|
47
|
}
|
|
48
|
|
|
49
|
/* (non-Javadoc)
|
|
50
|
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
|
|
51
|
*/
|
|
52
|
@Override
|
|
53
|
public Object[] getElements(Object inputElement) {
|
|
54
|
|
|
55
|
Collection<TermVocabulary> inputElements = (Collection<TermVocabulary>) inputElement;
|
|
56
|
return inputElements.toArray();
|
|
57
|
|
|
58
|
}
|
|
59
|
|
|
60
|
/* (non-Javadoc)
|
|
61
|
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
|
|
62
|
*/
|
|
63
|
@Override
|
|
64
|
public Object[] getChildren(Object parentElement) {
|
|
65
|
|
|
66
|
if(parentElement instanceof TermVocabulary){
|
|
67
|
return getTopLevelElements((TermVocabulary)parentElement);
|
|
68
|
} else if (parentElement instanceof DefinedTermBase) {
|
|
69
|
return ((DefinedTermBase) parentElement).getIncludes().toArray();
|
|
70
|
}
|
|
71
|
return null;
|
|
72
|
}
|
|
73
|
|
|
74
|
/**
|
|
75
|
*
|
|
76
|
* @param vocabulary
|
|
77
|
* @return An array of DefinedTermBase objects that do not have parents
|
|
78
|
*
|
|
79
|
* TODO: Needs to be implemented in cdmlib
|
|
80
|
*/
|
|
81
|
private Object[] getTopLevelElements(TermVocabulary vocabulary) {
|
|
82
|
|
|
83
|
SortedSet<DefinedTermBase> terms = vocabulary.getTermsOrderedByLabels(CdmStore.getDefaultLanguage());
|
|
84
|
Set<DefinedTermBase> topLevelTerms = new HashSet<DefinedTermBase>();
|
|
85
|
|
|
86
|
for (DefinedTermBase term : terms){
|
|
87
|
if (term.getPartOf() == null){
|
|
88
|
topLevelTerms.add(term);
|
|
89
|
}
|
|
90
|
}
|
|
91
|
return topLevelTerms.toArray();
|
|
92
|
}
|
|
93
|
|
|
94
|
/* (non-Javadoc)
|
|
95
|
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
|
|
96
|
*/
|
|
97
|
@Override
|
|
98
|
public Object getParent(Object element) {
|
|
99
|
|
|
100
|
if(element instanceof DefinedTermBase){
|
|
101
|
DefinedTermBase definedTermBase = (DefinedTermBase)element;
|
|
102
|
if (definedTermBase.getPartOf() == null) {
|
|
103
|
return definedTermBase.getVocabulary();
|
|
104
|
} else {
|
|
105
|
return definedTermBase.getPartOf();
|
|
106
|
}
|
|
107
|
}
|
|
108
|
return null;
|
|
109
|
|
|
110
|
}
|
|
111
|
|
|
112
|
/* (non-Javadoc)
|
|
113
|
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
|
|
114
|
*/
|
|
115
|
@Override
|
|
116
|
public boolean hasChildren(Object element) {
|
|
117
|
if (getChildren(element) != null){
|
|
118
|
return getChildren(element).length > 0;
|
|
119
|
}
|
|
120
|
return false;
|
|
121
|
}
|
|
122
|
|
|
123
|
}
|