/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui;

import javax.swing.JFrame;

import com.rapidminer.gui.tools.StatusBar;

/**
 * This is a singelton for getting access to the main frame of an application.
 * 
 *  @author Simon Fischer
 */
public abstract class ApplicationFrame extends JFrame {
	private static final long serialVersionUID = -4888325793866511406L;

	private static ApplicationFrame applicationFrame = null;

	// The status bar of the application, usually displayed at the bottom
	// of the frame.
	private final StatusBar statusBar = new StatusBar(false, true, true);
	
	public ApplicationFrame(String title) {
		super(title);
		if (applicationFrame != null) {
			throw new RuntimeException("Can only have one application frame.");
		}
		applicationFrame = this;
	}

	/**
	 * Returns the status bar of the application.
	 * @return status bar
	 */
	public StatusBar getStatusBar() {
		return statusBar;
	}

	public static ApplicationFrame getApplicationFrame() {
		return applicationFrame;
	}
}