Setting action listner to JTable header

Question

Hi,
Does any one have any idea on how to set the action listner to column header? If you know the solution, please pass on.
Thanks,
Jeson.

Answer 1

Hi friends,
We found a way to add button to table header.Please find the below mentioned code. However, I am unable to set the tooltip. If you have any idea...still 5 dollars are available..
Regards,
Je.
=======================================================================
import javax.swing.JTable;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.JButton;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumn;
import java.awt.Component;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.BorderFactory;
import javax.swing.SwingConstants;
public class SimpleTableDemo extends JFrame {
private boolean DEBUG = true;
public SimpleTableDemo() {
super("SimpleTableDemo");
Object[][] data = {
{"Mary", "Campione",
"Snowboarding", new Integer(5), new Boolean(false)},
{"Alison", "Huml",
"Rowing", new Integer(3), new Boolean(true)},
{"Kathy", "Walrath",
"Chasing toddlers", new Integer(2), new Boolean(false)},
{"Sharon", "Zakhour",
"Speed reading", new Integer(20), new Boolean(true)},
{"Angela", "Lih",
"Teaching high school", new Integer(4), new Boolean(false)}
String str1 = new String("First Name");
String str2 = new String("Last Name");
String str3 = new String("");
String str4 = new String("# of Years");
String str5 = new String("Vegetarian");
Object[] columnNames = {str1, str2, str3, str4, str5};
final JTable table = new JTable(data, columnNames);
table.getColumn("").setHeaderRenderer(new IconColumnHeader("Month"));
table.setPreferredScrollableViewportSize(new Dimension(500,130));
if (DEBUG) {
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
printDebugData(table);
//Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table);
//Add the scroll pane to this window.
getContentPane().add(scrollPane, BorderLayout.CENTER);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
private void printDebugData(JTable table) {
int numRows = table.getRowCount();
int numCols = table.getColumnCount();
javax.swing.table.TableModel model = table.getModel();
System.out.println("Value of data: ");
for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + model.getValueAt(i, j));
System.out.println();
System.out.println("--------------------------");
public static void main(String[] args) {
SimpleTableDemo frame = new SimpleTableDemo();
frame.pack();
frame.setVisible(true);
class IconColumnHeader extends JPanel implements TableCellRenderer {
private JLabel label = null;
private JButton jbn = null;
/** Creates a new instance of IconColumnHeader
This adds the specified Icon to the column header*/
public IconColumnHeader(String nam) {
setBorder(BorderFactory.createRaisedBevelBorder());
jbn = new JButton(nam);
ImageIcon dissicon = new ImageIcon("C:/images/auto1.gif");
jbn.setIcon(dissicon);
jbn.setName("Month");
jbn.setToolTipText("Month");
add(jbn);// = new JButton(nam));
/** Returns the table cell renderer component
* @param jTable main table
* @param obj value
* @param param boolean value
* @param param3 boolean value
* @param param4 table row
* @param param5 table column
* @return cell rendere component
public Component getTableCellRendererComponent(JTable jTable, Object obj, boolean param, boolean param3, int param4, int param5) {
/*label.setText(obj.toString());
label.setHorizontalTextPosition(SwingConstants.LEFT);
label.setVerticalTextPosition(SwingConstants.CENTER);
return this;*/
jbn.setText(obj.toString());
jbn.setHorizontalTextPosition(SwingConstants.LEFT);
jbn.setVerticalTextPosition(SwingConstants.CENTER);
return this;
====================================================================