/*******************************************************************************
 * Breakout Cave Survey Visualizer
 *
 * Copyright (C) 2014 James Edwards
 *
 * jedwards8 at fastmail dot fm
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *******************************************************************************/
package org.andork.swing;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;

import javax.swing.JPanel;

public class SimpleImagePanel extends JPanel {
	/**
	 *
	 */
	private static final long serialVersionUID = -4214411837909012601L;
	private Image image;

	public SimpleImagePanel() {

	}

	public SimpleImagePanel(Image image) {
		super();
		this.image = image;
	}

	public Image getImage() {
		return image;
	}

	@Override
	public Dimension getMaximumSize() {
		if (!isMaximumSizeSet() && image != null) {
			return new Dimension(image.getWidth(null), image.getHeight(null));
		}
		return super.getMaximumSize();
	}

	@Override
	public Dimension getMinimumSize() {
		if (!isMinimumSizeSet() && image != null) {
			return new Dimension(image.getWidth(null), image.getHeight(null));
		}
		return super.getMinimumSize();
	}

	@Override
	public Dimension getPreferredSize() {
		if (!isPreferredSizeSet() && image != null) {
			return new Dimension(image.getWidth(null), image.getHeight(null));
		}
		return super.getPreferredSize();
	}

	@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		if (image != null) {
			g.drawImage(image, 0, 0, null);
		}
	}

	public void setImage(Image image) {
		if (this.image != image) {
			this.image = image;
			repaint();
		}
	}
}