*/
public Object[] getChildren( Object arg0 ) {
if (arg0 instanceof JGrassMapsetGeoResource) {
JGrassMapsetGeoResource map = (JGrassMapsetGeoResource) arg0;
List<IResolve> layers = map.members(null);
if (layers == null)
return null;
return filteredLayers(layers);
} else if (arg0 instanceof JGrassMapGeoResource) {
return null;