public void addPropertyChangeListener(String propertyName,
PropertyChangeListener listener)
{
lock (this){
if ((listener != null) && (propertyName != null))
{
PropertyChangeSupport listeners = children.get(propertyName);
if (listeners == null)
{
listeners = new PropertyChangeSupport(source);
children.put(propertyName, listeners);
}
// RI compatibility
if (listener is PropertyChangeListenerProxy)
{
PropertyChangeListenerProxy proxy = (PropertyChangeListenerProxy)listener;
listeners
.addPropertyChangeListener(new PropertyChangeListenerProxy(
proxy.getPropertyName(),
(PropertyChangeListener)proxy.getListener()));
}
else
{
listeners.addPropertyChangeListener(listener);
}
}
}
}
private void doFirePropertyChange(PropertyChangeEvent eventJ)
{
Object oldValue = eventJ.getOldValue();
Object newValue = eventJ.getNewValue();
if (oldValue != null && newValue != null && oldValue.equals(newValue))
{
return;
}
// Collect up the global listeners
PropertyChangeListener[] gListeners;
lock (this) {
gListeners = globalListeners.toArray(new PropertyChangeListener[0]);
}
// Fire the events for global listeners
for (int i = 0; i < gListeners.Length; i++)
{
gListeners[i].propertyChange(eventJ);
}
// Fire the events for the property specific listeners if any
if (eventJ.getPropertyName() != null)
{
PropertyChangeSupport namedListener = children
.get(eventJ.getPropertyName());
if (namedListener != null)
{
namedListener.firePropertyChange(eventJ);
}
}
}
public void removePropertyChangeListener(String propertyName,
PropertyChangeListener listener)
{
lock (this){
if ((propertyName != null) && (listener != null))
{
PropertyChangeSupport listeners = children.get(propertyName);
if (listeners != null)
{
listeners.removePropertyChangeListener(listener);
}
}
}
}
public PropertyChangeListener[] getPropertyChangeListeners(
String propertyName)
{
lock (this){
PropertyChangeSupport listeners = null;
if (propertyName != null)
{
listeners = children.get(propertyName);
}
return((listeners == null) ? new PropertyChangeListener[0]
: listeners.getPropertyChangeListeners());
}
}
public bool hasListeners(String propertyName)
{
lock (this){
if (globalListeners.size() > 0)
{
return(true);
}
bool result = false;
if (propertyName != null)
{
PropertyChangeSupport listeners = children.get(propertyName);
result = (listeners != null && listeners.hasListeners(propertyName));
}
return(result);
}
}
public PropertyChangeListener[] getPropertyChangeListeners()
{
lock (this){}
java.util.ArrayList <PropertyChangeListener> result = new java.util.ArrayList <PropertyChangeListener>(
globalListeners);
java.util.Iterator <String> it = children.keySet().iterator();
while (it.hasNext())
{
String propertyName = it.next();
PropertyChangeSupport namedListener = children
.get(propertyName);
PropertyChangeListener[] listeners = namedListener
.getPropertyChangeListeners();
for (int i = 0; i < listeners.Length; i++)
{
result.add(new PropertyChangeListenerProxy(propertyName,
listeners[i]));
}
}
return(result.toArray(new PropertyChangeListener[0]));
}
