@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();
}
