return from != null && to != null && from != to ? ValidationStatus.ok() : ValidationStatus
.error(Messages.MsgPortfolioMustBeDifferent);
}
};
context.addValidationStatusProvider(validator);
context.bindValue(validator.observeValidatedValue(observableFrom), //
BeansObservables.observeValue(getModel(), "portfolioFrom")); //$NON-NLS-1$
context.bindValue(validator.observeValidatedValue(observableTo), //