/*
* Copyright (c) 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.tools.ui.web.utils;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* A content provider for Node model elements.
*/
public class NodeContentProvider implements ITreeContentProvider {
@Override
public void dispose() {
}
@Override
public Object[] getChildren(Object element) {
Node node = (Node) element;
return node.getChildren().toArray();
}
@Override
public Object[] getElements(Object element) {
return getChildren(element);
}
@Override
public Object getParent(Object element) {
Node node = (Node) element;
return node.getParent();
}
@Override
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}