How to use

CheckBoxList$CheckBoxListRenderer

in

weka.gui

 /**
  * Return a component that has been configured to display the specified
  * value.
  * 
  * @param list The JList we're painting.
  * @param value The value returned by list.getModel().getElementAt(index).
  * @param index The cells index.
  * @param isSelected True if the specified cell was selected.
  * @param cellHasFocus True if the specified cell has the focus.
  * @return A component whose paint() method will render the specified value.
  */
 @Override
 public Component getListCellRendererComponent(JList list, Object value,
  int index, boolean isSelected, boolean cellHasFocus) {
  setText(value.toString());
  setSelected(((CheckBoxList) list).getChecked(index));
  setBackground(isSelected ? list.getSelectionBackground() : list
   .getBackground());
  setForeground(isSelected ? list.getSelectionForeground() : list
   .getForeground());
  setFocusPainted(false);
  return this;
 }
}

setCellRenderer(new CheckBoxListRenderer());

setCellRenderer(new CheckBoxListRenderer());

 /**
  * Return a component that has been configured to display the specified
  * value.
  * 
  * @param list The JList we're painting.
  * @param value The value returned by list.getModel().getElementAt(index).
  * @param index The cells index.
  * @param isSelected True if the specified cell was selected.
  * @param cellHasFocus True if the specified cell has the focus.
  * @return A component whose paint() method will render the specified value.
  */
 @Override
 public Component getListCellRendererComponent(JList list, Object value,
  int index, boolean isSelected, boolean cellHasFocus) {
  setText(value.toString());
  setSelected(((CheckBoxList) list).getChecked(index));
  setBackground(isSelected ? list.getSelectionBackground() : list
   .getBackground());
  setForeground(isSelected ? list.getSelectionForeground() : list
   .getForeground());
  setFocusPainted(false);
  return this;
 }
}