DottedLine.java

package timeflow.app.ui;

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

public class DottedLine extends JPanel
{
	public void paintComponent(Graphics g)
	{
		int w=getSize().width, h=getSize().height;
		g.setColor(Color.white);
		g.fillRect(0,0,w,h);
		g.setColor(Color.lightGray);
		if (w>h)
		{
			for (int x=0; x<w; x+=4)
			{
				g.drawLine(x,0,x+1,0);
			}
		}
		else
		{
			for (int y=0; y<h; y+=4)
			{
				g.drawLine(0,y,0,y+1);
			}			
		}
	}
	
	public Dimension getPreferredSize()
	{
		return new Dimension(1,1);
	}
}