Let say you want to add button in JTable column like in this pic :
First step is to get the column of the button and set the CellRenderer for the column :
jTable2.getColumn("Edit").setCellRenderer(new ButtonRenderer());
jTable2.getColumn("Edit").setCellEditor(new ButtonEditor(new JCheckBox()));
jTable2.getColumn("View").setCellRenderer(new ButtonRenderer());
jTable2.getColumn("View").setCellEditor(new ButtonEditor(new JCheckBox()));
The Class ButtonRenderer
import java.awt.Component;
import javax.swing.JButton;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.TableCellRenderer;
/**
*
* @author hp1
*/
public class ButtonRenderer extends JButton implements TableCellRenderer {
public ButtonRenderer() {
setOpaque(true);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (isSelected) {
setForeground(table.getSelectionForeground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(UIManager.getColor("Button.background"));
}
setText((value == null) ? "" : value.toString());
return this;
}
}
The Button Editor Class
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JOptionPane;
import javax.swing.JTable;
/**
*
* @author hp1
*/
public class ButtonEditor extends DefaultCellEditor {
protected JButton button;
private String label;
private boolean isPushed;
public ButtonEditor(JCheckBox checkbox) {
super(checkbox);
button = new JButton();
button.setOpaque(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
fireEditingStopped();
}
});
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
if (isSelected) {
button.setForeground(table.getSelectionForeground());
button.setBackground(table.getSelectionBackground());
} else {
button.setForeground(table.getForeground());
button.setBackground(table.getBackground());
}
label = (value == null) ? "" : value.toString();
button.setText(label);
isPushed = true;
return button;
}
@Override
public Object getCellEditorValue() {
if (isPushed) {
JOptionPane.showMessageDialog(button, label + ": Ouch!");
}
isPushed = false;
return label;
}
@Override
public boolean stopCellEditing() {
isPushed = false;
return super.stopCellEditing();
}
@Override
protected void fireEditingStopped() {
super.fireEditingStopped();
}
}
By Mohd Zulkamal
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