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JAVA JTable JRaioButton cells

The following code add JCheckBox as buttongroup in JTable columns.

//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.*;
import javax.swing.event.*;

class RadioButtonRenderer implements TableCellRenderer {
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (value==null) return null;
return (Component)value;
}
}

class RadioButtonEditor extends DefaultCellEditor
implements ItemListener {
private JRadioButton button;

public RadioButtonEditor(JCheckBox checkBox) {
super(checkBox);
}

public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
if (value==null) return null;
button = (JRadioButton)value;
button.addItemListener(this);
return (Component)value;
}

public Object getCellEditorValue() {
button.removeItemListener(this);
return button;
}

public void itemStateChanged(ItemEvent e) {
super.fireEditingStopped();
}
}

public class JRadioButtonTableExample extends JFrame {

public JRadioButtonTableExample(){
super( "JRadioButtonTable Example" );
UIDefaults ui = UIManager.getLookAndFeel().getDefaults();
UIManager.put("RadioButton.focus", ui.getColor("control"));

DefaultTableModel dm = new DefaultTableModel();
dm.setDataVector(
new Object[][]{
{"Group 1",new JRadioButton("A")},
{"Group 1",new JRadioButton("B")},
{"Group 1",new JRadioButton("C")},
{"Group 2",new JRadioButton("a")},
{"Group 2",new JRadioButton("b")}},
new Object[]{"String","JRadioButton"});

JTable table = new JTable(dm) {
public void tableChanged(TableModelEvent e) {
super.tableChanged(e);
repaint();
}
};
ButtonGroup group1 = new ButtonGroup();
group1.add((JRadioButton)dm.getValueAt(0,1));
group1.add((JRadioButton)dm.getValueAt(1,1));
group1.add((JRadioButton)dm.getValueAt(2,1));
ButtonGroup group2 = new ButtonGroup();
group2.add((JRadioButton)dm.getValueAt(3,1));
group2.add((JRadioButton)dm.getValueAt(4,1));
table.getColumn("JRadioButton").setCellRenderer(new RadioButtonRenderer());
table.getColumn("JRadioButton").setCellEditor(new RadioButtonEditor(new JCheckBox()));
JScrollPane scroll = new JScrollPane(table);
getContentPane().add( scroll );
setSize( 200, 140 );
setVisible(true);
}

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


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Best books about JAVA programming from Amazon
Professional Java, JDK 5 Edition (Paperback Simply Java Programming: An Application-Driven Tutorial Approach (Paperback) Effective Java Programming Language Guide (Paperback) Head First Java, 2nd Edition (Paperback) Java : An Introduction to Problem Solving and Programming (4th Edition)

 

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