QString UnitSystem::displayAmount( double amount, Unit* units, int precision, Unit::unitScale scale )
{
// If the precision is not specified, we take the default one
if( precision < 0)
{
precision = this->precision;
}
// Special cases. Make sure the unit isn't null and that we're
// dealing with volume.
if( units == 0 || units->getUnitType() != _type)
return QString("%L1").arg(amount, fieldWidth, format, precision);
// We really shouldn't ever reference something that could be null until
// after we have verified it isn't.
double SIAmount = units->toSI( amount );
double absSIAmount = qAbs(SIAmount);
Unit* last = 0;
// Don't loop if the 'without' key is defined
if ( scaleToUnit().contains(Unit::scaleWithout) )
scale = Unit::scaleWithout;
// If a specific scale is provided, just use that and don't loop.
if ( scaleToUnit().contains(scale) )
{
Unit* bob = scaleToUnit().value(scale);
return QString("%L1 %2").arg(bob->fromSI(SIAmount), fieldWidth, format, precision).arg(bob->getUnitName());
}
// scaleToUnit() is a QMap which means we loop in the order in which the
// items were inserted. Order counts, and this map has to be
// created from smallest to largest scale (e.g., mg, g, kg).
QMap<Unit::unitScale, Unit*>::const_iterator it;
for( it = scaleToUnit().begin(); it != scaleToUnit().end(); ++it)
{
Unit* bob = it.value();
double boundary = bob->boundary();
// This is a nice bit of work, if I may say so myself. If we've been
// through the loop at least once already, and the boundary condition is
// met, use the Unit* from the last loop.
if ( last && absSIAmount < bob->toSI(boundary) )
return QString("%L1 %2").arg(last->fromSI(SIAmount), fieldWidth, format, precision).arg(last->getUnitName());
// If we get all the way through the map, this will be the largest unit
// available
last = bob;
}
// If we get here, use the largest unit available
if( last )
return QString("%L1 %2").arg(last->fromSI(SIAmount), fieldWidth, format, precision).arg(last->getUnitName());
else
return QString("nounit"); // Should never happen, so be obvious if it does
}
void EquipmentEditor::save()
{
if( obsEquip == 0 )
{
setVisible(false);
return;
}
Unit* weightUnit = 0;
Unit* volumeUnit = 0;
Brewtarget::getThicknessUnits( &volumeUnit, &weightUnit );
bool ok = false;
double grainAbs = Brewtarget::toDouble( lineEdit_grainAbsorption->text(), &ok );
if ( ! ok )
Brewtarget::logW( QString("EquipmentEditor::save() could not convert %1 to double").arg(lineEdit_grainAbsorption->text()));
double ga_LKg = grainAbs * volumeUnit->toSI(1.0) * weightUnit->fromSI(1.0);
// Do some prewarning things. I would prefer to do this only on change, but
// we need to be worried about new equipment too.
if ( lineEdit_tunVolume->toSI() <= 0.001 )
QMessageBox::warning(this, tr("Tun Volume Warning"), tr("The tun volume you entered is 0. This may cause problems"));
if ( lineEdit_batchSize->toSI() <= 0.001 )
QMessageBox::warning(this, tr("Batch Size Warning"), tr("The batch size you entered is 0. This may cause problems"));
if ( lineEdit_hopUtilization->toSI() < 0.001 )
QMessageBox::warning(this, tr("Hop Utilization Warning"), tr("The hop utilization percentage you entered is 0. This may cause problems"));
obsEquip->setName( lineEdit_name->text() );
obsEquip->setBoilSize_l( lineEdit_boilSize->toSI() );
obsEquip->setBatchSize_l( lineEdit_batchSize->toSI() );
obsEquip->setTunVolume_l( lineEdit_tunVolume->toSI() );
obsEquip->setTunWeight_kg( lineEdit_tunWeight->toSI() );
obsEquip->setTunSpecificHeat_calGC( lineEdit_tunSpecificHeat->toSI() );
obsEquip->setBoilTime_min( lineEdit_boilTime->toSI());
obsEquip->setEvapRate_lHr( lineEdit_evaporationRate->toSI() );
obsEquip->setTopUpKettle_l( lineEdit_topUpKettle->toSI() );
obsEquip->setTopUpWater_l( lineEdit_topUpWater->toSI() );
obsEquip->setTrubChillerLoss_l( lineEdit_trubChillerLoss->toSI() );
obsEquip->setLauterDeadspace_l( lineEdit_lauterDeadspace->toSI() );
obsEquip->setGrainAbsorption_LKg( ga_LKg );
obsEquip->setBoilingPoint_c( lineEdit_boilingPoint->toSI() );
obsEquip->setHopUtilization_pct( lineEdit_hopUtilization->toSI() );
obsEquip->setNotes(textEdit_notes->toPlainText());
obsEquip->setCalcBoilVolume(checkBox_calcBoilVolume->checkState() == Qt::Checked);
setVisible(false);
return;
}
void EquipmentEditor::showChanges()
{
Equipment *e = obsEquip;
if( e == 0 )
{
clear();
return;
}
// Get weight and volume units for grain absorption.
Unit* weightUnit = 0;
Unit* volumeUnit = 0;
Brewtarget::getThicknessUnits( &volumeUnit, &weightUnit );
label_absorption->setText(tr("Grain absorption (%1/%2)").arg(volumeUnit->getUnitName()).arg(weightUnit->getUnitName()));
//equipmentComboBox->setIndexByEquipment(e);
lineEdit_name->setText(e->name());
lineEdit_name->setCursorPosition(0);
lineEdit_boilSize->setText(e);
checkBox_calcBoilVolume->blockSignals(true); // Keep next line from emitting a signal and changing e.
checkBox_calcBoilVolume->setCheckState( (e->calcBoilVolume())? Qt::Checked : Qt::Unchecked );
checkBox_calcBoilVolume->blockSignals(false);
lineEdit_batchSize->setText(e);
lineEdit_tunVolume->setText(e);
lineEdit_tunWeight->setText(e);
lineEdit_tunSpecificHeat->setText(e);
lineEdit_boilTime->setText(e);
lineEdit_evaporationRate->setText(e);
lineEdit_topUpKettle->setText(e);
lineEdit_topUpWater->setText(e);
lineEdit_trubChillerLoss->setText(e);
lineEdit_lauterDeadspace->setText(e);
textEdit_notes->setText( e->notes() );
double gaCustomUnits = e->grainAbsorption_LKg() * volumeUnit->fromSI(1.0) * weightUnit->toSI(1.0);
lineEdit_grainAbsorption->setText(gaCustomUnits);
lineEdit_boilingPoint->setText(e);
lineEdit_hopUtilization->setText(e);
checkBox_defaultEquipment->blockSignals(true);
if ( Brewtarget::option("defaultEquipmentKey",-1) == e->key() )
checkBox_defaultEquipment->setCheckState(Qt::Checked);
else
checkBox_defaultEquipment->setCheckState(Qt::Unchecked);
checkBox_defaultEquipment->blockSignals(false);
}
double UnitSystem::amountDisplay( double amount, Unit* units, Unit::unitScale scale )
{
// Special cases. Make sure the unit isn't null and that we're
// dealing with volume.
if( units == 0 || units->getUnitType() != _type)
return amount;
double SIAmount = units->toSI( amount );
double absSIAmount = qAbs(SIAmount);
Unit* last = 0;
// Short circuit if the 'without' key is defined
if ( scaleToUnit().contains(Unit::scaleWithout) )
scale = Unit::scaleWithout;
if ( scaleToUnit().contains(scale) )
{
Unit* bob = scaleToUnit().value(scale);
return bob->fromSI(SIAmount);
}
QMap<Unit::unitScale, Unit*>::const_iterator it;
for( it = scaleToUnit().begin(); it != scaleToUnit().end(); ++it)
{
Unit* bob = it.value();
double boundary = bob->boundary();
if ( last && absSIAmount < bob->toSI(boundary) )
return last->fromSI(SIAmount);
last = bob;
}
// If we get here, use the largest unit available
if( last )
return last->fromSI(SIAmount);
else
return -42.42; // Should never happen, so be obvious if it does
}
void EquipmentEditor::resetAbsorption()
{
if( obsEquip == 0 )
return;
// Get weight and volume units for grain absorption.
Unit* weightUnit = 0;
Unit* volumeUnit = 0;
Brewtarget::getThicknessUnits( &volumeUnit, &weightUnit );
double gaCustomUnits = PhysicalConstants::grainAbsorption_Lkg * volumeUnit->fromSI(1.0) * weightUnit->toSI(1.0);
lineEdit_grainAbsorption->displayAmount(gaCustomUnits);
}
