/*
 This file is part of the software framework JStatCom, 
 a library for building applications for data based analysis.

 Copyright (C) 2000-2005  Markus Kraetzig

 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 USA
 */

package com.jstatcom.model.control;

import javax.swing.tree.DefaultMutableTreeNode;

import com.jstatcom.model.Symbol;
import com.jstatcom.model.SymbolEvent;
import com.jstatcom.model.SymbolEventTypes;
import com.jstatcom.model.SymbolListener;

/**
 * Treenode to be used with SymbolTree for displaying 
 * Symbol objects a JTree. 
 * 
 * @author Markus Kraetzig
 */
public final class SymbolTreeNode
	extends DefaultMutableTreeNode
	implements SymbolListener {

	/**
	 * Symbol represented by this tree node.
	 */
	public final Symbol symbol;

	/**
	 * Creates a tree node for a symbol.
	 * 
	 * @param symbol that this node stands for
	 */
	public SymbolTreeNode(Symbol symbol) {
		super(symbol.NAME, false);
		this.symbol = symbol;
		this.symbol.addSymbolListener(this, SymbolEventTypes.EMPTY_STATE);
	}
	/**
	 * Invokes repaint on symbol tree.
	 * 
	 * @param evt symbol event
	 */
	public void valueChanged(SymbolEvent evt) {
		SymbolTree.getInstance().repaint();
	}
}