Toggle Buttons - The Definitive Guide to Java Swing - page 140

ItemListener itemListener = new ItemListener() {
String lastSelected;
public void itemStateChanged(ItemEvent itemEvent) {
AbstractButton aButton = (AbstractButton)itemEvent.getSource();
int state = itemEvent.getStateChange();
String label = aButton.getText();
String msgStart;
if (state == ItemEvent.SELECTED) {
if (label.equals(lastSelected)) {
msgStart = "Reselected -> ";
} else {
msgStart = "Selected -> ";
}
lastSelected = label;
} else {
msgStart = "Deselected -> ";
}
System.out.println(msgStart + label);
}
};
ChangeListener changeListener = new ChangeListener() {
public void stateChanged(ChangeEvent changEvent) {
AbstractButton aButton = (AbstractButton)changEvent.getSource();
ButtonModel aModel = aButton.getModel();
boolean armed = aModel.isArmed();
boolean pressed = aModel.isPressed();
boolean selected = aModel.isSelected();
System.out.println("Changed: " + armed + "/" + pressed + "/" +
selected);
}
};
final Container crustContainer =
RadioButtonUtils.createRadioButtonGrouping(crustOptions,
"Crust Type", crustActionListener, itemListener, changeListener);
// Button Parts
ActionListener buttonActionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
Enumeration<String> selected =
RadioButtonUtils.getSelectedElements(crustContainer);
while (selected.hasMoreElements()) {
System.out.println ("Selected -> " + selected.nextElement());
}
}
};