@Override
public void startWith(MonetaryUnit fromUnit, MonetaryUnit toUnit, CurrencyPair pair) {
this.fromUnit = fromUnit;
this.toUnit = toUnit;
this.pair = pair;
view.setPresenter(this);
view.reset(pair == null);
if (pair != null) {
view.getRateProperty().set(pair.getExchangeRate());
view.getDateProperty().set(pair.getCreatedOn());
} else {
view.getRateProperty().set(CurrencyPair.DEFAULT_EXCHANGE_RATE);
view.getDateProperty().set(new Date());
}
view.focus();
}
protected List<ValidationError> flushView() {
List<ValidationError> errors = new ArrayList();
if (pair == null) {
pair = new CurrencyPair(fromUnit, toUnit, CurrencyPair.DEFAULT_EXCHANGE_RATE);
}
pair.setExchangeRate(view.getRateProperty().get());
pair.setCreatedOn(view.getDateProperty().get());
errors.addAll(pair.validate(Validatable.GROUP_CLIENT));
return errors;
}
protected void showValidationErrors(List<ValidationError> errors) {
List<ValidationError> entityErrors =
ValidationError.filterEntity(errors, CurrencyPair.class.getName());
for (ValidationError error : entityErrors) {
if (CurrencyPair.Property.exchangeRate.equals(error.getProperty()))
view.getRateProperty().showValidationError(error);
else if (CurrencyPair.Property.createdOn.equals(error.getProperty()))
view.getDateProperty().showValidationError(error);
else errors.add(error);
}
for (ValidationError error : errors) {
bus.fireEvent(new ValidationErrorNotifyEvent(error));
}
}
protected void clearValidationErrors() {
view.getRateProperty().clearValidationError();
view.getDateProperty().clearValidationError();
}