void OnSave()
{
using (var calcQuick = new CalcQuickBase())
{
CalculationResultText = calcQuick.ParseAndCompute(formulaText);
OnPropertyChanged("CategoryReal.TotalValues");
OnSaveValue?.Invoke(double.Parse(calculationResultText), Calendar.Date.Value.DateTime);
}
}
private void TextBox_KeyDown(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
{
if (sender is TextBox textbox && e.Key == Windows.System.VirtualKey.Enter)
{
FormulaText = textbox.Text;
using (var calcQuick = new CalcQuickBase())
{
CalculationResultText = calcQuick.ParseAndCompute(formulaText);
OnPropertyChanged(nameof(CalculationResultText));
}
}
}
void HandleKeyPressed(object param)
{
var value = (string)param;
var calculatorKey = (CalculatorKey)Enum.Parse(typeof(CalculatorKey), value, true);
switch (calculatorKey)
{
case CalculatorKey.One:
case CalculatorKey.Two:
case CalculatorKey.Three:
case CalculatorKey.Four:
case CalculatorKey.Five:
case CalculatorKey.Six:
case CalculatorKey.Seven:
case CalculatorKey.Eight:
case CalculatorKey.Nine:
case CalculatorKey.Zero:
FormulaText += ((int)calculatorKey).ToString();
OnPropertyChanged(nameof(CalculationResultText));
break;
case CalculatorKey.Equal:
if (!string.IsNullOrEmpty(formulaText))
{
using (var calcQuick = new CalcQuickBase())
{
CalculationResultText = calcQuick.ParseAndCompute(formulaText);
OnPropertyChanged(nameof(CalculationResultText));
}
}
break;
case CalculatorKey.Point:
FormulaText += cultureInfoPL.NumberFormat.NumberDecimalSeparator;
break;
case CalculatorKey.Minus:
FormulaText += '-';
break;
case CalculatorKey.Multiply:
FormulaText += '*';
break;
case CalculatorKey.Divide:
FormulaText += '/';
break;
case CalculatorKey.Plus:
FormulaText += '+';
break;
case CalculatorKey.Backspace:
if (!string.IsNullOrEmpty(FormulaText))
{
FormulaText = FormulaText.Substring(0, FormulaText.Length - 1);
}
break;
}
return;
}