private void fireChange(int changeEvent) {
this.changeEvent = changeEvent;
if (changeListeners != null) {
changeListeners.fireChange(this);
}
}
public void removeChangeListener(ChangeListener listener) {
if (changeListeners != null) changeListeners.remove(listener);
}
public void addChangeListener(ChangeListener listener) {
if (changeListeners == null) changeListeners = new ChangeListenerCollection();
changeListeners.add(listener);
}
public void removeChangeListener(ChangeListener changeListener) {
listeners.remove(changeListener);
}
/**
* Fires change events whenever the selected ParamSet changes, or when a change in validation
* state occurs.
*/
public void addChangeListener(ChangeListener changeListener) {
listeners.add(changeListener);
}