/**
  * Add the radiobuttons (only 1 may be selected) TODO change names from -box to radio- add radio
  * buttons to a ButtongGroup delete extra inchBoxChanged() and centimeterBoxChanged() methods
  */
 public void addToFrame(BeanTableFrame f) {
   // final BeanTableFrame finalF = f;	// needed for anonymous ActionListener class
   f.addToBottomBox(inchBox, this.getClass().getName());
   inchBox.setToolTipText(Bundle.getMessage("InchBoxToolTip"));
   inchBox.addActionListener(
       new ActionListener() {
         public void actionPerformed(ActionEvent e) {
           inchBoxChanged();
         }
       });
   f.addToBottomBox(centimeterBox, this.getClass().getName());
   centimeterBox.setToolTipText(Bundle.getMessage("CentimeterBoxToolTip"));
   centimeterBox.addActionListener(
       new ActionListener() {
         public void actionPerformed(ActionEvent e) {
           centimeterBoxChanged();
         }
       });
 }