JTable - modify header...

Question

Hi! Have very HARD problem...
Please copy following code in to your IDE and run.
You see table, with customized header (with check box)
But this header don't look native... It look's horrible
Solutions? (JDK 5)
package testlayouts;
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.event.*;
public class JTableHeaderCheckBox
  Object colNames[] = {"", "String", "String"};
  Object[][] data = {};
  DefaultTableModel dtm;
  JTable table;
  public void buildGUI()
      try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); }
      catch (ClassNotFoundException e) { /* Do nothing */ }
      catch (InstantiationException e) { /* Do nothing */ }
      catch (IllegalAccessException e) { /* Do nothing */ }
      catch (UnsupportedLookAndFeelException e) { /* Do nothing */  }
      Toolkit.getDefaultToolkit().setDynamicLayout(true);
    dtm = new DefaultTableModel(data,colNames);
    table = new JTable(dtm);
    for(int x = 0; x < 5; x++)
      dtm.addRow(new Object[]{new Boolean(false),"Row "+(x+1)+" Col 2","Row "+(x+1)+" Col 3"});
    JScrollPane sp = new JScrollPane(table);
    TableColumn tc = table.getColumnModel().getColumn(0);
    tc.setCellEditor(table.getDefaultEditor(Boolean.class));
    tc.setCellRenderer(table.getDefaultRenderer(Boolean.class));
    tc.setHeaderRenderer(new CheckBoxHeader(new MyItemListener()));
    JFrame f = new JFrame();
    f.getContentPane().add(sp);
    f.pack();
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
  class MyItemListener implements ItemListener
    public void itemStateChanged(ItemEvent e) {
      Object source = e.getSource();
      if (source instanceof AbstractButton == false) return;
      boolean checked = e.getStateChange() == ItemEvent.SELECTED;
      for(int x = 0, y = table.getRowCount(); x < y; x++)
        table.setValueAt(new Boolean(checked),x,0);
  public static void main (String[] args)
    SwingUtilities.invokeLater(new Runnable(){
      public void run(){
        new JTableHeaderCheckBox().buildGUI();
class CheckBoxHeader extends JCheckBox
    implements TableCellRenderer, MouseListener {
  protected CheckBoxHeader rendererComponent;
  protected int column;
  protected boolean mousePressed = false;
  public CheckBoxHeader(ItemListener itemListener) {
    rendererComponent = this;
    rendererComponent.addItemListener(itemListener);
  public Component getTableCellRendererComponent(
      JTable table, Object value,
      boolean isSelected, boolean hasFocus, int row, int column) {
    if (table != null) {
      JTableHeader header = table.getTableHeader();
      if (header != null) {
        rendererComponent.setForeground(header.getForeground());
        rendererComponent.setBackground(header.getBackground());
        rendererComponent.setFont(header.getFont());
        header.addMouseListener(rendererComponent);
    setColumn(column);
    rendererComponent.setText("Check All");
    this.setBorderPainted(true);
    setBorder(UIManager.getBorder("TableHeader.cellBorder"));
    return rendererComponent;
  protected void setColumn(int column) {
    this.column = column;
  public int getColumn() {
    return column;
  protected void handleClickEvent(MouseEvent e) {
    if (mousePressed) {
      mousePressed=false;
      JTableHeader header = (JTableHeader)(e.getSource());
      JTable tableView = header.getTable();
      TableColumnModel columnModel = tableView.getColumnModel();
      int viewColumn = columnModel.getColumnIndexAtX(e.getX());
      int column = tableView.convertColumnIndexToModel(viewColumn);
      if (viewColumn == this.column && e.getClickCount() == 1 && column != -1) {
        doClick();
  public void mouseClicked(MouseEvent e) {
    handleClickEvent(e);
    ((JTableHeader)e.getSource()).repaint();
  public void mousePressed(MouseEvent e) {
    mousePressed = true;
  public void mouseReleased(MouseEvent e) {
  public void mouseEntered(MouseEvent e) {
  public void mouseExited(MouseEvent e) {
}

Answer 1

Hi! Have very HARD problem...
Please copy following code in to your IDE and run.
You see table, with customized header (with check box)
But this header don't look native... It look's horrible
Solutions? (JDK 5)
package testlayouts;
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.event.*;
public class JTableHeaderCheckBox
  Object colNames[] = {"", "String", "String"};
  Object[][] data = {};
  DefaultTableModel dtm;
  JTable table;
  public void buildGUI()
      try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); }
      catch (ClassNotFoundException e) { /* Do nothing */ }
      catch (InstantiationException e) { /* Do nothing */ }
      catch (IllegalAccessException e) { /* Do nothing */ }
      catch (UnsupportedLookAndFeelException e) { /* Do nothing */  }
      Toolkit.getDefaultToolkit().setDynamicLayout(true);
    dtm = new DefaultTableModel(data,colNames);
    table = new JTable(dtm);
    for(int x = 0; x < 5; x++)
      dtm.addRow(new Object[]{new Boolean(false),"Row "+(x+1)+" Col 2","Row "+(x+1)+" Col 3"});
    JScrollPane sp = new JScrollPane(table);
    TableColumn tc = table.getColumnModel().getColumn(0);
    tc.setCellEditor(table.getDefaultEditor(Boolean.class));
    tc.setCellRenderer(table.getDefaultRenderer(Boolean.class));
    tc.setHeaderRenderer(new CheckBoxHeader(new MyItemListener()));
    JFrame f = new JFrame();
    f.getContentPane().add(sp);
    f.pack();
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
  class MyItemListener implements ItemListener
    public void itemStateChanged(ItemEvent e) {
      Object source = e.getSource();
      if (source instanceof AbstractButton == false) return;
      boolean checked = e.getStateChange() == ItemEvent.SELECTED;
      for(int x = 0, y = table.getRowCount(); x < y; x++)
        table.setValueAt(new Boolean(checked),x,0);
  public static void main (String[] args)
    SwingUtilities.invokeLater(new Runnable(){
      public void run(){
        new JTableHeaderCheckBox().buildGUI();
class CheckBoxHeader extends JCheckBox
    implements TableCellRenderer, MouseListener {
  protected CheckBoxHeader rendererComponent;
  protected int column;
  protected boolean mousePressed = false;
  public CheckBoxHeader(ItemListener itemListener) {
    rendererComponent = this;
    rendererComponent.addItemListener(itemListener);
  public Component getTableCellRendererComponent(
      JTable table, Object value,
      boolean isSelected, boolean hasFocus, int row, int column) {
    if (table != null) {
      JTableHeader header = table.getTableHeader();
      if (header != null) {
        rendererComponent.setForeground(header.getForeground());
        rendererComponent.setBackground(header.getBackground());
        rendererComponent.setFont(header.getFont());
        header.addMouseListener(rendererComponent);
    setColumn(column);
    rendererComponent.setText("Check All");
    this.setBorderPainted(true);
    setBorder(UIManager.getBorder("TableHeader.cellBorder"));
    return rendererComponent;
  protected void setColumn(int column) {
    this.column = column;
  public int getColumn() {
    return column;
  protected void handleClickEvent(MouseEvent e) {
    if (mousePressed) {
      mousePressed=false;
      JTableHeader header = (JTableHeader)(e.getSource());
      JTable tableView = header.getTable();
      TableColumnModel columnModel = tableView.getColumnModel();
      int viewColumn = columnModel.getColumnIndexAtX(e.getX());
      int column = tableView.convertColumnIndexToModel(viewColumn);
      if (viewColumn == this.column && e.getClickCount() == 1 && column != -1) {
        doClick();
  public void mouseClicked(MouseEvent e) {
    handleClickEvent(e);
    ((JTableHeader)e.getSource()).repaint();
  public void mousePressed(MouseEvent e) {
    mousePressed = true;
  public void mouseReleased(MouseEvent e) {
  public void mouseEntered(MouseEvent e) {
  public void mouseExited(MouseEvent e) {
}