blob: dda8267dc01b24fc7577b1d49ecdcea8e3877ee9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.trees;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
/**
* This implementation of <code>ITreeContentProvider</code> handles
* the case where the viewer input is an unchanging array or collection of elements.
*/
public class TreeArrayContentProvider extends ArrayContentProvider implements ITreeContentProvider {
private static TreeArrayContentProvider instance;
/**
* Returns an instance of TreeArrayContentProvider. Since instances of this
* class do not maintain any state, they can be shared between multiple
* clients.
*
* @return an instance of TreeArrayContentProvider
*/
public static TreeArrayContentProvider getInstance() {
synchronized(TreeArrayContentProvider.class) {
if (instance == null) {
instance = new TreeArrayContentProvider();
}
return instance;
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
@Override
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
@Override
public Object getParent(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
@Override
public boolean hasChildren(Object element) {
return false;
}
}
|
