2 * Copyright (C) 2007-2012 Mathieu Baudier
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org
.argeo
.eclipse
.ui
;
18 import org
.eclipse
.jface
.viewers
.ITreeContentProvider
;
19 import org
.eclipse
.jface
.viewers
.Viewer
;
22 * Tree content provider dealing with tree objects and providing reasonable
25 public abstract class AbstractTreeContentProvider
implements
26 ITreeContentProvider
{
29 public void dispose() {
33 public void inputChanged(Viewer viewer
, Object oldInput
, Object newInput
) {
36 public Object
[] getChildren(Object element
) {
37 if (element
instanceof TreeParent
) {
38 return ((TreeParent
) element
).getChildren();
43 public Object
getParent(Object element
) {
44 if (element
instanceof TreeParent
) {
45 return ((TreeParent
) element
).getParent();
50 public boolean hasChildren(Object element
) {
51 if (element
instanceof TreeParent
) {
52 return ((TreeParent
) element
).hasChildren();