package jp.co.ntl.swing.ext;

import java.awt.Graphics;
import java.awt.Color;
import java.awt.FontMetrics;
import javax.swing.JPanel;

public class GroupPanel extends JPanel {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private String		title;
	
	public GroupPanel() {
		title = "";
	}
	
	public GroupPanel(String title) {
		this.title = title;
	}
	
	public void setTitle(String title) {
		this.title = title;
		repaint();
	}
	
	public void paint(Graphics g) {
		int		w = getSize().width;
		int		h = getSize().height;
		Color	curCol;

		super.paint(g);
		
		curCol = g.getColor();
		g.setColor(Color.white);
		g.drawRect(6, 6, w - 10, h - 10);
		g.setColor(getBackground().darker());
		g.drawRect(5, 5, w - 10, h - 10);
		g.setColor(curCol);

		if (title.length() > 0) {
			FontMetrics	fm = g.getFontMetrics();
			curCol = g.getColor();
			g.setColor(getBackground());
			g.fillRect(10, 0, fm.stringWidth(title) + 10, fm.getHeight());
			if (isEnabled()) {
				g.setColor(Color.black);
				g.drawString(title, 15, 10);
			} else {
				g.setColor(Color.white);
				g.drawString(title, 16, 11);
				g.setColor(getBackground().darker());
				g.drawString(title, 15, 10);
			}
			g.setColor(curCol);
		}
	}
	
	public void update(Graphics g) {
		paint(g);
	}
}