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• Professional Java, JDK 5 Edition
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JAVA JTable different editor in cells

The following code add different editor in cells. This program involes 2 JAVA file:

EachRowEditor.java and EachRowEditorExample.java

//Example modified from http://www.crionics.com/products/opensource/faq/swing_ex/JTableExamples2.html

/**
* @version 1.0 12/03/98
*/

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

/**
* @version 1.1 09/09/99
*/
public class EachRowEditorExample extends JFrame {
public EachRowEditorExample(){
super("EachRow Editor Example");

DefaultTableModel dm = new DefaultTableModel();
dm.setDataVector(
new Object[][]{{"Name" ,"MyName"},
{"Gender","Male"}},
new Object[]{"Column1","Column2"});

JTable table = new JTable(dm);
JComboBox comboBox = new JComboBox();
comboBox.addItem("Male");
comboBox.addItem("Female");
comboBox.addComponentListener(new ComponentAdapter() {
public void componentShown(ComponentEvent e) {
final JComponent c = (JComponent)e.getSource();
SwingUtilities.invokeLater(new Runnable() {
public void run () {
c.requestFocus();
System.out.println(c);
if (c instanceof JComboBox) {
System.out.println("a");
}
}
});
}
});

EachRowEditor rowEditor = new EachRowEditor(table);
rowEditor.setEditorAt(1, new DefaultCellEditor(comboBox));
table.getColumn("Column2").setCellEditor(rowEditor);

JScrollPane scroll = new JScrollPane(table);
getContentPane().add( scroll , BorderLayout.CENTER);
setSize( 400, 100 );
setVisible(true);
}

public static void main(String[] args) {
EachRowEditorExample frame = new EachRowEditorExample();
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
}
}