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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 Cell editors

This example shows how to insert different cell edtiors in a single column. If a cell editor is not specified, then the default cell editor for the column is used.

This example has 2 class files:

EachRowEditorExample.java

EachRowEditor.java

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

public class EachRowEditor implements TableCellEditor {
protected Hashtable editors;
protected TableCellEditor editor, defaultEditor;

/**
* Constructs a EachRowEditor.
* create default editor
*
* @see TableCellEditor
* @see DefaultCellEditor
*/
public EachRowEditor() {
editors = new Hashtable();
editor=new DefaultCellEditor(new JTextField());
defaultEditor = new DefaultCellEditor(new JTextField());
// defaultEditor = new DefaultCellEditor(new JTextField());
}

/**
* @param row table row
* @param editor table cell editor
*/
public void add(int row, TableCellEditor editor) {
editors.put(new Integer(row),editor);
}

public Component getTableCellEditorComponent(JTable table,
Object value, boolean isSelected, int row, int column) {
editor = (TableCellEditor)editors.get(new Integer(row));
if (editor == null) {
editor = defaultEditor;
}
return editor.getTableCellEditorComponent(table,
value, isSelected, row, column);
}

public Object getCellEditorValue() {
return editor.getCellEditorValue();
}
public boolean stopCellEditing() {
return editor.stopCellEditing();
}
public void cancelCellEditing() {
editor.cancelCellEditing();
}
public boolean isCellEditable(EventObject anEvent) {
return editor.isCellEditable(anEvent);
}
public void addCellEditorListener(CellEditorListener l) {
editor.addCellEditorListener(l);
}
public void removeCellEditorListener(CellEditorListener l) {
editor.removeCellEditorListener(l);
}
public boolean shouldSelectCell(EventObject anEvent) {
return editor.shouldSelectCell(anEvent);
}
}