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• Head First JAVA, Second Editon
• Effective Java Programming Language Guide
• Professional Java, JDK 5 Edition
• Ivor Horton's Beginning Java 2, JDK 5 Edition

JAVA JTable multiple editor in cells (JCheckBox,JComboBox,JTextField)

The following code add multiple editor in cells (JCheckBox,JComboBox,JTextField). This program involes 3 JAVA file:

MultiComponentTable2.java, EachRowEditor.java and EachRowRenderer.java

//Example modified from http://www.crionics.com/products/opensource/faq/swing_ex/JTableExamples2.html
//Original example doesn't work
/**
* @version 1.0 12/03/98
*/

/* (swing1.1beta3) */

/* (swing1.1.1) jfc#91 */

/*
* (swing1.1beta3)
*/

 

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

/**
* @version 1.0 11/09/98
*/

public class EachRowRenderer implements TableCellRenderer {
protected Hashtable renderers;
protected TableCellRenderer renderer, defaultRenderer;

public EachRowRenderer() {
renderers = new Hashtable();
defaultRenderer = new DefaultTableCellRenderer();
}

public void add(int row, TableCellRenderer renderer) {
renderers.put(new Integer(row),renderer);
}

public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus,
int row, int column) {
renderer = (TableCellRenderer)renderers.get(new Integer(row));
if (renderer == null) {
renderer = defaultRenderer;
}
return renderer.getTableCellRendererComponent(table,
value, isSelected, hasFocus, row, column);
}
}