public void ClearResults() // For use before calculation and when the display may be inconsistent
{
CurrentEquationCalc.SetCalcStatus(CalcStatus.Uknown);
_errorMessage = "";
foreach (var eqCalcVar in EqCalcVariables)
{
if (eqCalcVar.IsCalculated && (eqCalcVar.GetSingleValue() is Variable))
{
eqCalcVar.GetSingleValue()?.CalcQuantity?.Clear();
eqCalcVar.RefreshThisData();
}
}
OnMessagesChanged();
}
// -------------------------------------
public void Recalculate()
{
try
{
if (EqCalcVariables.Count > 0)
{
if (_bCalculating)
{
return;
}
_bCalculating = true;
UpdateCalcInputs();
ClearResults();
CalcStatus calcStatus = CurrentEquationCalc.CalculateAll();
IList <FunCalcError> lowestErrors = new List <FunCalcError>();
IList <FunCalcError> allErrors = new List <FunCalcError>();
CurrentEquationCalc.GetErrors(ref lowestErrors, ref allErrors, NumberFormat: NumberFormat);
if (lowestErrors?.Count > 0)
{
_errorMessage = lowestErrors[0].Message;
}
OnMessagesChanged();
RefreshEqCalcVariables();
SetMaxUOMLength();
CalculationFinished?.Invoke(this, null);
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
finally
{
_bCalculating = false;
}
}
private void SetEqCalcVariables()
{
try
{
IList <SingleValue> eqVars = CurrentEquationCalc?.FindAllVariables() ?? (new List <SingleValue>());
IList <SingleValue> eqConstants = CurrentEquationCalc?.FindAllConstants() ?? (new List <SingleValue>());
// -------------
SetMaxVarLength(eqVars, eqConstants);
// -------------
EqCalcVariables.Clear();
for (int i = 0; i < eqVars.Count; i++)
{
var item = eqVars[i];
item.ClearAllVarVals();
bool isCalculated = false;
if (i == 0)
{
isCalculated = true;
}
EqCalcVariables.Add(new VmEqVar(this, item, isCalculated));
}
for (int i = 0; i < eqConstants.Count; i++)
{
var item = eqConstants[i];
EqCalcVariables.Add(new VmEqVar(this, item, true));
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
