private void dot_Click(object sender, RoutedEventArgs e)
{
if (CurrentValue.Contains(".") == false)
{
CurrentValue = $"{CurrentValue}.";
}
} // mozda ima sredjivanja
public override void LoadCurrentValue(IniFile configIni)
{
base.LoadCurrentValue(configIni);
CurrentValue = CurrentValue.TrimEnd('f');
CurrentValue = CurrentValue.Contains(".") ? CurrentValue.TrimEnd('0').TrimEnd('.') : CurrentValue;
}
protected bool IsSelected(TItem item)
{
var key = Key(item);
return(CurrentValue.Contains(key));
}
public CalcViewModel()
{
ClearAllCommand = new RelayCommand(() =>
{
CurrentValue = "0";
LastCalcValue = 0;
TotalValue = 0;
ClearOperationStack();
SetBothOperations(Operation.None);
});
ClearCommand = new RelayCommand(() =>
{
CurrentValue = "0";
});
RemoveCommand = new RelayCommand(() =>
{
if (CurrentValue == "0")
{
return;
}
if (CurrentValue.Length == 1)
{
CurrentValue = "0";
return;
}
CurrentValue = CurrentValue.Remove(CurrentValue.Length - 1, 1);
});
DivisionCommand = new RelayCommand(() => DoOperation(Operation.Division));
MultiplicationCommand = new RelayCommand(() => DoOperation(Operation.Multiplication));
SubtractionCommand = new RelayCommand(() => DoOperation(Operation.Subtraction));
AdditionCommand = new RelayCommand(() => DoOperation(Operation.Addition));
NegationCommand = new RelayCommand(() =>
{
if (CurrentValue == "0")
{
return;
}
if (CurrentValue.StartsWith("-"))
{
CurrentValue = CurrentValue.Remove(0, 1);
}
else
{
CurrentValue = CurrentValue.Insert(0, "-");
}
});
CommaCommand = new RelayCommand(() =>
{
if (CurrentValue.Contains(","))
{
return;
}
CurrentValue += ",";
});
EqualsCommand = new RelayCommand(() =>
{
if (LastOperation != Operation.Equation)
{
LastCalcValue = CurrentValueAsDouble;
}
CalculateCurrentValue(LastCalcValue, LastCalcOperation);
LastOperation = Operation.Equation;
ClearOperationStack();
});
DigitCommand = new RelayCommand <string>((digit) =>
{
if (CurrentValue == "0" || LastOperation != Operation.None)
{
CurrentValue = "";
}
if (LastOperation == Operation.Equation)
{
TotalValue = 0;
}
LastOperation = Operation.None;
CurrentValue += digit;
});
}