Name: vi73552 Date: 06/30/99


This code demonstrates this problem. The table repaints through the panel that is added to the glass pane. The problem occurs in both JDK 1.1.6/JFC 1.1 and JDK 1.2.1, although it manifests itself somewhat differently.


-------8<----------------------------
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.border.*;


public class RepaintFrame extends JFrame
{
    DefaultTableModel model = new DefaultTableModel(10, 10);

    public RepaintFrame()
    {
        this.setLocation(120, 120);
        JTable table = new JTable(model);
        JScrollPane scroll = new JScrollPane(table);
        table.setPreferredScrollableViewportSize(new Dimension(400, 200));
        this.getContentPane().add(scroll);

        JComponent glass = (JComponent) this.getRootPane().getGlassPane();
        final JPanel panel = new JPanel();
        panel.setBorder(new EtchedBorder());
        glass.add(panel);
        glass.setVisible(true);
        panel.setPreferredSize(new Dimension(100, 100));
        this.pack();

        this.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent event)
            {
                System.exit(0);
            }
        });


        Timer timer = new Timer(200, new ActionListener()
        {
            Random random = new Random();
             
            public void actionPerformed(ActionEvent event)
            {
                model.setValueAt(new Integer(random.nextInt() % 100),
                            Math.abs(random.nextInt() % 10),
                            Math.abs(random.nextInt() % 10));
            }
        });
        timer.start();
    }

    public static void main(String[] args)
    {
        new RepaintFrame().show();
    }

}
(Review ID: 85037)
======================================================================