/**
* This method gets called when a bound property is changed.
*
* @param e A <code>PropertyChangeEvent</code> object describing the event source and the
* property that has changed. Must not be null.
* @throws NullPointerException if the parameter is null.
* @since 1.5
*/
public void propertyChange(PropertyChangeEvent e) {
String propertyName = e.getPropertyName();
if (propertyName == "visible") {
if (e.getOldValue() == Boolean.FALSE && e.getNewValue() == Boolean.TRUE) {
handlePopupIsVisibleEvent(true);
} else if (e.getOldValue() == Boolean.TRUE && e.getNewValue() == Boolean.FALSE) {
handlePopupIsVisibleEvent(false);
}
}
}
