/*
 * @(#)QueueView.java
 *
 * This file is part of webCDwriter - Network CD Writing.
 *
 * Copyright (C) 2003 Jörg P. M. Haeger
 *
 * webCDwriter is free software. See CDcreator.java for details.
 */

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 * A component displaying a queue.
 *
 * @version 20031015
 * @author Jörg P. M. Haeger
 */
class QueueView extends JComponent {
	private int rank;

	QueueView(int rank) {
		this.rank = rank;
		setBackground(Color.gray);
		setFont(new Font("Dialog", Font.BOLD, 12));
		setPreferredSize(new Dimension(100, 30));
	}

	public void paint(Graphics g) {
		g.clearRect(0, 0, getWidth(), getHeight());
		for (int i = 0; i <= rank; i++) {
			if (i == 0 && i == rank)
				g.setColor(Color.green);
			else
			if (i == rank)
				g.setColor(Color.yellow);
			else
				g.setColor(Color.gray);
			g.fillArc(10 + i * getHeight(), 1,
				getHeight() - 4, getHeight() - 4, 0, 360);
			g.setColor(Color.black);
			g.drawString("" + i, 20 + i * getHeight(), 2 * getHeight() / 3);
		}
	}
}