private void DoCalculations()
{
if (fieldCalculationBlocked)
{
return;
}
try
{
fieldCalculationInProgress = true;
if (purchase != null)
{
purchase.ItemsNumber = String2NumberHelper.ToNumber(Count);
purchase.ItemCost = String2NumberHelper.ToNumber(ItemCost);
purchase.TotalCost = String2NumberHelper.ToNumber(TotalCost);
DataService.PerformCalculation(purchase, actualCalculationTarget);
if (actualCalculationTarget == Services.DataService.CalculationTargetProperty.ItemCost)
{
ItemCost = purchase.ItemCost != 0 ? purchase.ItemCost.ToString() : null;
}
if (actualCalculationTarget == Services.DataService.CalculationTargetProperty.TotalCost)
{
TotalCost = purchase.TotalCost != 0 ? purchase.TotalCost.ToString() : null;
}
if (actualCalculationTarget == Services.DataService.CalculationTargetProperty.ItemsNumber)
{
Count = purchase.ItemsNumber != 0 ? purchase.ItemsNumber.ToString() : null;
}
OnPropertyChanged(() => Count);
OnPropertyChanged(() => ItemCost);
OnPropertyChanged(() => TotalCost);
}
}
finally
{
fieldCalculationInProgress = false;
}
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
var result = String2NumberHelper.GetCorrected(value.ToString(), 2, true);
return(result);
}
