/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The Lobo Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: lobochief@users.sourceforge.net
*/
/*
 * Created on Oct 22, 2005
 */
package org.lobobrowser.html.test;

import javax.swing.event.TreeModelListener;
import javax.swing.tree.*;

import org.w3c.dom.*;

class NodeTreeModel implements TreeModel {
	private final Node rootNode;
	
	/**
	 * @param node
	 */
	public NodeTreeModel(Node node) {
		super();
		rootNode = node;
	}

	public Object getRoot() {
		return this.rootNode;
	}

	public Object getChild(Object parent, int index) {
		Node parentNode = (Node) parent;
		return parentNode == null ? null : parentNode.getChildNodes().item(index);
	}

	public int getChildCount(Object parent) {
		Node parentNode = (Node) parent;
		return parentNode == null ? 0 : parentNode.getChildNodes().getLength();		
	}

	public boolean isLeaf(Object node) {
		if(node == this.rootNode) {
			return false;
		}
		Node domNode = (Node) node;
		return domNode == null ? true : domNode.getChildNodes().getLength() == 0;
	}

	public void valueForPathChanged(TreePath path, Object newValue) {
	}

	public int getIndexOfChild(Object parent, Object child) {
		Node parentNode = (Node) parent;
		NodeList nodeList = parentNode == null ? null : parentNode.getChildNodes();
		if(nodeList == null) {
			return -1;
		}
		int length = nodeList.getLength();
		for(int i = 0; i < length; i++) {
			if(nodeList.item(i) == child) {
				return i;
			}
		}
		return -1;
	}

	public void addTreeModelListener(TreeModelListener l) {
		// nop
	}

	public void removeTreeModelListener(TreeModelListener l) {
		// nop
	}
}