private void changeValue(AbstractStorageLabel<Object> label,Object newValue){
  if (!Objects.equals(label.getValue(),newValue)) {
synchronized (labelEditListeners) {
      for (      LabelEditListener listener : labelEditListeners) {
        listener.preLabelValueChange(label);
      }
    }
    label.setValue(newValue);
synchronized (labelEditListeners) {
      for (      LabelEditListener listener : labelEditListeners) {
        listener.postLabelValueChange(label);
      }
    }
  }
}

private void changeValue ( AbstractStorageLabel < Object > label , Object newValue ) { if ( ! Objects . equals ( label . getValue ( ) , newValue ) ) { synchronized ( labelEditListeners ) { for ( LabelEditListener listener : labelEditListeners ) { listener . preLabelValueChange ( label ) ; } } label . setValue ( newValue ) ; synchronized ( labelEditListeners ) { for ( LabelEditListener listener : labelEditListeners ) { listener . postLabelValueChange ( label ) ; } } } }
reforms the value change and informs the listeners .
