/*
 * Copyright (c) 2009, SQL Power Group Inc.
 *
 * This file is part of SQL Power Library.
 *
 * SQL Power Library 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 3 of the License, or
 * (at your option) any later version.
 *
 * SQL Power 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */

package ca.sqlpower.swingui;

import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JPanel;

/**
 * A panel that draws text vertically
 */
public class VerticalTextPanel extends JPanel {
	
	private String text;
	
	public VerticalTextPanel(String text) {
		this.text = text;
	}
	
	@Override
	public Dimension getPreferredSize() {
		FontMetrics fm = getFontMetrics(getFont());
		int height = fm.getHeight();
		int width = fm.stringWidth(text);
		return new Dimension(height, width); // yup, width and height are swapped on purpose
	}
	
	@Override
	protected void paintComponent(Graphics g) {
		Graphics2D g2 = (Graphics2D) g.create();
		g2.setColor(getBackground());
		g2.fillRect(0, 0, getWidth(), getHeight());
		g2.setColor(getForeground());
		g2.rotate(-Math.PI/2);
		FontMetrics fm = getFontMetrics(getFont());
		int width = fm.stringWidth(text);
		g2.drawString(text, -width-10, getWidth()/2 + fm.getAscent()/2 );
	}

	public String getText() {
		return text;
	}

	public void setText(String text) {
		this.text = text;
	}
	
	
}