// TODO (AN) Add afterPropertiesSet to check that the panels aren't null.
protected void registerLocalCommandExecutors(PageComponentContext context) {
context.register("rdfLoadedCommand", new RdfLoadedCommand(this));
context.register("rdfFailedToLoadCommand", new RdfFailedToLoadCommand(this));
context.register("queryRanCommand", new QueryRanCommand(this));
context.register("invalidQueryCommand", new InvalidQueryCommand(this));
}