private void addModelListener(TransformationChainModel model) {
model.addPropertyChangeListener(TransformationChainModel.SOURCE_MESSAGE, new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
JmsMessage msg = (JmsMessage) evt.getNewValue();
selector.setMessage(msg);
if (dialog != null) {
dialog.setTitle(PackageResources.PropertiesDialog.getTitle(msg));
}
}