bool CurrDisplay::isZero() const
{
if (_localControl)
return ABS(_valueLocal) < EPSILON(_localScale);
else
return ABS(_valueBase) < EPSILON(_baseScale);
}
void CurrDisplay::sValueLocalChanged(double newValue)
{
if (_mapper->model() &&
_mapper->model()->data(_mapper->model()->index(_mapper->currentIndex(),_mapper->mappedSection(this))).toDouble() != newValue)
_mapper->model()->setData(_mapper->model()->index(_mapper->currentIndex(),_mapper->mappedSection(this)), newValue);
double oldBase = _valueBase;
if (ABS(newValue) < EPSILON(_localScale) || _effective.isNull())
{
if (ABS(_valueBase) >= EPSILON(_baseScale))
{
_valueBase = 0;
_baseKnown = true;
}
}
else
{
XSqlQuery convertVal;
convertVal.prepare("SELECT currToBase(:curr_id, :value, :date) "
" AS baseValue;");
convertVal.bindValue(":curr_id", id());
convertVal.bindValue(":value", newValue);
convertVal.bindValue(":date", _effective);
convertVal.exec();
if (convertVal.first())
{
_valueBase = convertVal.value("baseValue").toDouble();
sZeroErrorCount(id(), effective());
_baseKnown = true;
}
else if (convertVal.lastError().type() != QSqlError::NoError)
{
if (convertVal.lastError().databaseText().contains("No exchange rate"))
{
emit noConversionRate();
sNoConversionRate(this, id(), effective(), "sValueLocalChanged");
}
else
QMessageBox::critical(this, tr("A System Error occurred at %1::%2.")
.arg(__FILE__)
.arg(__LINE__),
convertVal.lastError().databaseText());
_baseKnown = false;
}
}
if (ABS(oldBase - _valueBase) > EPSILON(_baseScale))
emit valueBaseChanged(_valueBase);
}
void CurrDisplay::setLocalValue(double newValue)
{
_state = (_state == NANew || _state == NAInit) ? NAInit : Initialized;
// either the value has significantly changed or we're explicitly setting 0
if (ABS(_valueLocal - newValue) > EPSILON(_localScale) ||
newValue < EPSILON(_localScale))
{
_valueLocal = newValue;
_localKnown = true;
emit valueLocalChanged(_valueLocal);
sValueLocalChanged(_valueLocal);
sReformat();
}
}
void CurrDisplay::setLocalValue(double newValue)
{
_state = (_state == NANew || _state == NAInit) ? NAInit : Initialized;
// either the value has significantly changed or we're explicitly setting 0
if (ABS(_valueLocal - newValue) > EPSILON(_localScale) ||
newValue < EPSILON(_localScale))
{
double prec = pow(10.0, qMax(0, (_decimals + _localScale)));
// use the floor function here instead of qRound to prevent problem on windows builds
_valueLocal = floor(newValue*prec + 0.5f)/prec;
_localKnown = true;
emit valueLocalChanged(_valueLocal);
sValueLocalChanged(_valueLocal);
sReformat();
}
}
void CurrDisplay::sValueBaseChanged(double newValue)
{
double oldLocal = _valueLocal;
if (ABS(newValue) < EPSILON(_baseScale) || _effective.isNull())
{
if (ABS(_valueLocal) >= EPSILON(_localScale))
{
_valueLocal = 0;
_valueLocalWidget->clear();
}
}
else
{
XSqlQuery convertVal;
convertVal.prepare("SELECT currToLocal(:curr_id, :value, :date) "
" AS localValue;");
convertVal.bindValue(":curr_id", id());
convertVal.bindValue(":value", newValue);
convertVal.bindValue(":date", _effective);
convertVal.exec();
if (convertVal.first())
{
_valueLocal = convertVal.value("localValue").toDouble();
sZeroErrorCount(id(), effective());
_localKnown = true;
}
else if (convertVal.lastError().type() != QSqlError::NoError)
{
if (convertVal.lastError().databaseText().contains("No exchange rate"))
{
emit noConversionRate();
sNoConversionRate(this, id(), effective(), "sValueBaseChanged");
}
else
QMessageBox::critical(this, tr("A System Error occurred at %1::%2.")
.arg(__FILE__)
.arg(__LINE__),
convertVal.lastError().databaseText());
_localKnown = false;
}
}
if (ABS(oldLocal - _valueLocal) > EPSILON(_localScale))
emit valueLocalChanged(_valueLocal);
}
void CurrDisplay::setLocalValue(double newValue)
{
_state = (_state == NANew || _state == NAInit) ? NAInit : Initialized;
// either the value has significantly changed or we're explicitly setting 0
if (ABS(_valueLocal - newValue) > EPSILON(_localScale) ||
newValue < EPSILON(_localScale))
{
_valueLocal = newValue;
_localKnown = true;
emit valueLocalChanged(_valueLocal);
sValueLocalChanged(_valueLocal);
sReformat();
}
if (_mapper->model() &&
_mapper->model()->data(_mapper->model()->index(_mapper->currentIndex(),_mapper->mappedSection(this))).toDouble() != _valueLocal)
_mapper->model()->setData(_mapper->model()->index(_mapper->currentIndex(),_mapper->mappedSection(this)), _valueLocal);
}