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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
* 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 org.databene.commons.tree;
import org.databene.commons.TreeModel;
/**
* Default implementation of a {@link TreeModel}. It uses DefaultTreeNodes.
*
* Created: 08.05.2007 19:05:14
* @author Volker Bergmann
*/
public class DefaultTreeModel implements TreeModel> {
private DefaultTreeNode root;
public DefaultTreeModel(DefaultTreeNode root) {
this.root = root;
}
@Override
public DefaultTreeNode getRoot() {
return root;
}
@Override
public DefaultTreeNode getParent(DefaultTreeNode child) {
return child.getParent();
}
@Override
public DefaultTreeNode getChild(DefaultTreeNode parent, int index) {
return parent.getChild(index);
}
@Override
public int getChildCount(DefaultTreeNode parent) {
return parent.getChildCount();
}
@Override
public boolean isLeaf(DefaultTreeNode node) {
return node.isLeaf();
}
@Override
public int getIndexOfChild(DefaultTreeNode parent, DefaultTreeNode child) {
return parent.getIndexOfChild(child);
}
}