/**
* Fire a property change event to each listener.
*
* @param bean Bean being edited.
* @param propName Name of the property.
* @param oldValue Old value.
* @param newValue New value.
*/
protected void firePropertyChange(
Object bean, String propName, Object oldValue, Object newValue) {
PropertyChangeEvent e = new PropertyChangeEvent(bean, propName, oldValue, newValue);
Iterator it = _changeListeners.iterator();
while (it.hasNext()) {
PropertyChangeListener l = (PropertyChangeListener) it.next();
l.propertyChange(e);
}
}
/**
* Fire an existing PropertyChangeEvent to any registered listeners. No event is fired if the
* given event's old and new values are equal and non-null.
*
* @param evt The PropertyChangeEvent object.
*/
public void firePropertyChange(PropertyChangeEvent evt) {
Object oldValue = evt.getOldValue();
Object newValue = evt.getNewValue();
String propertyName = evt.getPropertyName();
if (oldValue != null && newValue != null && oldValue.equals(newValue)) {
return;
}
if (listeners != null) {
Object[] list = listeners.getListenersInternal();
for (int i = 0; i < list.length; i++) {
PropertyChangeListener target = (PropertyChangeListener) list[i];
target.propertyChange(evt);
}
}
if (children != null && propertyName != null) {
PropertyChangeSupport child = null;
child = (PropertyChangeSupport) children.get(propertyName);
if (child != null) {
child.firePropertyChange(evt);
}
}
}
public void notifyPropertyChangeListeners(PropertyChangeEvent event) {
for (PropertyChangeListener listener : listeners) {
listener.propertyChange(event);
}
}