import java.awt.Color;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;


public class GnomeSortAnimation extends SortAnimation {
	protected int n = 1;

	public void actionPerformed(ActionEvent evt) {
		g.setColor(Color.YELLOW);
		if (a[n - 1] > a[n]) {
			int temp = a[n];
			a[n] = a[n - 1];
			a[n - 1] = temp;
			if (n > 1) drawIndex(n--);
			else drawIndex(n++ - 1);
		} else drawIndex(n++ - 1);
		g.setColor(Color.RED);
		try {
			drawIndices(n - 1, n);
		} catch (IndexOutOfBoundsException e) { finish(); }
	}

	public static void main(String... args) {
		JFrame frame = new JFrame("Gnome sort animation");
		frame.setSize(400, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setContentPane(new GnomeSortAnimation());
		frame.setVisible(true);
	}
}