@Override
public void calculate() {
if (selectedOperation == null) {
// ... nothing to do: insufficient data for calculation.
} else {
final BigDecimal result;
final BigDecimal arg2 = BigDecimalUtils.stringToBigDecimal(currentArgumentInput, locale);
if (selectedOperation.isUnary()) {
result = getSimpleCalculatorFacade().calculate(arg2, selectedOperation);
} else {
result = getSimpleCalculatorFacade().calculate(arg1, arg2, selectedOperation);
}
selectedOperation = null;
currentArgumentInput = BigDecimalUtils.bigDecimalToString(result, locale);
currentArgumentInputFinished = true;
}
}
@Override
public void selectMathOperation(final EMathOperation mathOperation) {
selectedOperation = mathOperation;
arg1 = BigDecimalUtils.stringToBigDecimal(currentArgumentInput, locale);
currentArgumentInputFinished = true;
if (mathOperation.isUnary()) {
calculate();
}
}