/// <summary>
/// Mení veľkosť textu v text displeji
/// </summary>
private void FixAnsFontSize()
{
string textAnsText = OutputProcessor.RemoveChars(this.text_display.Text, new[] { ',', '-' }); // odstráni nenumerické znaky
double size = TextFontSize;
if (textAnsText.Length > TextFontLength)
{
size -= TextFontSizePercentage * (textAnsText.Length - TextFontLength) *
((100 - (textAnsText.Length - TextFontLength) * 2) / 100.0);
}
this.text_display.FontSize = size;
}
/// <summary>
/// Formátuje čísla do slovenského formátu
/// </summary>
/// <param name="value">Čísla na formátovanie vo formáte double</param>
/// <returns>Formátované čísla</returns>
private string FormatNumericValue(double value)
{
CultureInfo cultureInfo = new CultureInfo(lang);
string formatedValue = value.ToString("R", cultureInfo);
// remove non numeric chars except spaces
int formatedValueLenght = OutputProcessor.RemoveChars(formatedValue, new[] { ',', '-' }).Length;
formatedValue = formatedValueLenght > TextMaxLength || formatedValue.Contains("E")
? value.ToString("g2", cultureInfo)
: this.FormatNumericValue(formatedValue);
return(formatedValue);
}
public MainWindow()
{
this.InitializeComponent();
this.outputProcessor = new OutputProcessor(this.text_display, this.log_display);
this.mathProcessor = new MathProcessor(this.outputProcessor);
}
/// <summary>
/// Spracovanie stlačených tlačítok
/// </summary>
/// <param name="sender">Sender object</param>
/// <param name="e">KeyEventArgs</param>
private void Window_KeyDown(object sender, KeyEventArgs e)
{
bool shiftPressed = (Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift;
// Vypíš číslo
if (!shiftPressed && OutputProcessor.IsNumericKey(e.Key))
{
KeyConverter keyConverter = new KeyConverter();
this.outputProcessor.PrintNumber(keyConverter.ConvertToString(e.Key));
}
// Vypíš desatinnú čiarku
if (!shiftPressed && (e.Key == Key.Decimal || e.Key == Key.OemComma || e.Key == Key.OemPeriod))
{
this.outputProcessor.PrintComma();
}
// Vypočítaj výsledok
if (e.Key == Key.Enter || e.Key == Key.Return || !shiftPressed && e.Key == Key.OemPlus)
{
this.mathProcessor.CalculateResult(this.GetNumericAns(), false, true);
}
// Odstráň posledné číslo pomocou backspace
if (e.Key == Key.Back)
{
this.outputProcessor.Backspace();
}
// Add
if (e.Key == Key.Add || shiftPressed && e.Key == Key.OemPlus)
{
this.mathProcessor.ProcessAdd(this.GetNumericAns());
}
// Substract
if (e.Key == Key.Subtract || !shiftPressed && e.Key == Key.OemMinus)
{
this.mathProcessor.ProcessSubstract(this.GetNumericAns());
}
// Multiply
if (e.Key == Key.Multiply || shiftPressed && e.Key == Key.D8)
{
this.mathProcessor.ProcessMultiply(this.GetNumericAns());
}
// Divide
if (e.Key == Key.Divide || !shiftPressed && e.Key == Key.OemQuestion)
{
this.mathProcessor.ProcessDivide(this.GetNumericAns());
}
// Factorial (Fact)
if (shiftPressed && e.Key == Key.D1)
{
this.mathProcessor.ProcessFact(this.GetNumericAns());
}
// Power (Pow)
if (shiftPressed && e.Key == Key.D6)
{
this.mathProcessor.ProcessPow(this.GetNumericAns());
}
}
/// <summary>
/// Math procesor
/// </summary>
/// <param name="outputProcessor">Output result procesor</param>
public MathProcessor(OutputProcessor outputProcessor)
{
this.outputProcessor = outputProcessor;
this.math = new Math.Math();
}