private void ProcessMemoryKey(CalculatorButtonType buttonType)
{
decimal currentValue = CalculatorUtilities.ParseDecimal(DisplayText);
switch (buttonType)
{
case CalculatorButtonType.MAdd:
Memory += currentValue;
break;
case CalculatorButtonType.MC:
Memory = decimal.Zero;
break;
case CalculatorButtonType.MR:
DisplayText = Memory.ToString();
break;
case CalculatorButtonType.MS:
Memory = currentValue;
break;
case CalculatorButtonType.MSub:
Memory -= currentValue;
break;
default:
break;
}
m_showNewNumber = true;
}
private static void OnCalculatorButtonTypeChanged(DependencyObject o, CalculatorButtonType oldValue, CalculatorButtonType newValue)
{
Button button = o as Button;
button.CommandParameter = newValue;
button.Content = CalculatorUtilities.GetCalculatorButtonContent(newValue);
}
private void ProcessDigitKey(CalculatorButtonType buttonType)
{
if (_showNewNumber)
{
DisplayText = CalculatorUtilities.GetCalculatorButtonContent(buttonType);
}
else
{
DisplayText += CalculatorUtilities.GetCalculatorButtonContent(buttonType);
}
_showNewNumber = false;
}
public static bool IsMemory(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.MAdd:
case CalculatorButtonType.MC:
case CalculatorButtonType.MR:
case CalculatorButtonType.MS:
case CalculatorButtonType.MSub:
return(true);
default:
return(false);
}
}
private void ProcessCalculatorButton(CalculatorButtonType buttonType)
{
if (CalculatorUtilities.IsDigit(buttonType))
{
ProcessDigitKey(buttonType);
}
else if ((CalculatorUtilities.IsMemory(buttonType)))
{
ProcessMemoryKey(buttonType);
}
else
{
ProcessOperationKey(buttonType);
}
}
public static bool IsDigit(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.Zero:
case CalculatorButtonType.One:
case CalculatorButtonType.Two:
case CalculatorButtonType.Three:
case CalculatorButtonType.Four:
case CalculatorButtonType.Five:
case CalculatorButtonType.Six:
case CalculatorButtonType.Seven:
case CalculatorButtonType.Eight:
case CalculatorButtonType.Nine:
case CalculatorButtonType.Decimal:
return(true);
default:
return(false);
}
}
public static Button FindButtonByCalculatorButtonType(DependencyObject parent, CalculatorButtonType type)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
{
var child = VisualTreeHelper.GetChild(parent, i);
object buttonType = child.GetValue(Button.CommandParameterProperty);
if (buttonType != null && (CalculatorButtonType)buttonType == type)
{
return child as Button;
}
else
{
var result = FindButtonByCalculatorButtonType(child, type);
if (result != null)
return result;
}
}
return null;
}
private void SimulateCalculatorButtonClick(CalculatorButtonType buttonType)
{
var button = CalculatorUtilities.FindButtonByCalculatorButtonType(_buttonPanel, buttonType);
if (button != null)
{
VisualStateManager.GoToState(button, "Pressed", true);
DispatcherTimer timer;
if (_timers.ContainsKey(button))
{
timer = _timers[button];
timer.Stop();
}
else
{
timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromMilliseconds(100);
timer.Tick += Timer_Tick;
_timers.Add(button, timer);
}
timer.Start();
}
}
private static void OnCalculatorButtonTypeChanged(DependencyObject o, CalculatorButtonType oldValue, CalculatorButtonType newValue)
{
Button button = o as Button;
button.CommandParameter = newValue;
button.Content = CalculatorUtilities.GetCalculatorButtonContent(newValue);
}
public static void SetCalculatorButtonType(DependencyObject target, CalculatorButtonType value)
{
target.SetValue(CalculatorButtonTypeProperty, value);
}
private void SimulateCalculatorButtonClick(CalculatorButtonType buttonType)
{
_calculatorButton = CalculatorUtilities.FindButtonByCalculatorButtonType(_buttonPanel, buttonType);
VisualStateManager.GoToState(_calculatorButton, "Pressed", true);
_timer.Start();
}
private void ProcessOperationKey(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.Add:
Calculate(Operation.Add);
break;
case CalculatorButtonType.Subtract:
Calculate(Operation.Subtract);
break;
case CalculatorButtonType.Multiply:
Calculate(Operation.Multiply);
break;
case CalculatorButtonType.Divide:
Calculate(Operation.Divide);
break;
case CalculatorButtonType.Percent:
if (_lastOperation != Operation.None)
{
decimal currentValue = CalculatorUtilities.ParseDecimal(DisplayText);
decimal newValue = CalculatorUtilities.Percent(_previousValue, currentValue);
DisplayText = newValue.ToString();
}
else
{
DisplayText = "0";
_showNewNumber = true;
}
return;
case CalculatorButtonType.Sqrt:
Calculate(Operation.Sqrt, Operation.None);
break;
case CalculatorButtonType.Fraction:
Calculate(Operation.Fraction, Operation.None);
break;
case CalculatorButtonType.Negate:
Calculate(Operation.Negate, Operation.None);
break;
case CalculatorButtonType.Equal:
Calculate(Operation.None);
break;
case CalculatorButtonType.Clear:
Calculate(Operation.Clear, Operation.None);
DisplayText = Value.ToString();
break;
case CalculatorButtonType.Cancel:
DisplayText = _previousValue.ToString();
_lastOperation = Operation.None;
_showNewNumber = true;
return;
case CalculatorButtonType.Back:
ProcessBackKey();
return;
default:
break;
}
Decimal.TryParse(DisplayText, out _previousValue);
_showNewNumber = true;
}
private void ProcessDigitKey(CalculatorButtonType buttonType)
{
if (_showNewNumber)
DisplayText = CalculatorUtilities.GetCalculatorButtonContent(buttonType);
else
DisplayText += CalculatorUtilities.GetCalculatorButtonContent(buttonType);
_showNewNumber = false;
}
private void ProcessCalculatorButton(CalculatorButtonType buttonType)
{
if (CalculatorUtilities.IsDigit(buttonType))
ProcessDigitKey(buttonType);
else if ((CalculatorUtilities.IsMemory(buttonType)))
ProcessMemoryKey(buttonType);
else
ProcessOperationKey(buttonType);
_lastButtonPressed = buttonType;
}
public static string GetCalculatorButtonContent(CalculatorButtonType type)
{
string content = string.Empty;
switch (type)
{
case CalculatorButtonType.Add:
content = "+";
break;
case CalculatorButtonType.Back:
content = "Back";
break;
case CalculatorButtonType.Cancel:
content = "CE";
break;
case CalculatorButtonType.Clear:
content = "C";
break;
case CalculatorButtonType.Decimal:
content = CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator;
break;
case CalculatorButtonType.Divide:
content = "/";
break;
case CalculatorButtonType.Eight:
content = "8";
break;
case CalculatorButtonType.Equal:
content = "=";
break;
case CalculatorButtonType.Five:
content = "5";
break;
case CalculatorButtonType.Four:
content = "4";
break;
case CalculatorButtonType.Fraction:
content = "1/x";
break;
case CalculatorButtonType.MAdd:
content = "M+";
break;
case CalculatorButtonType.MC:
content = "MC";
break;
case CalculatorButtonType.MR:
content = "MR";
break;
case CalculatorButtonType.MS:
content = "MS";
break;
case CalculatorButtonType.MSub:
content = "M-";
break;
case CalculatorButtonType.Multiply:
content = "*";
break;
case CalculatorButtonType.Nine:
content = "9";
break;
case CalculatorButtonType.None:
break;
case CalculatorButtonType.One:
content = "1";
break;
case CalculatorButtonType.Percent:
content = "%";
break;
case CalculatorButtonType.Seven:
content = "7";
break;
case CalculatorButtonType.Negate:
content = "+/-";
break;
case CalculatorButtonType.Six:
content = "6";
break;
case CalculatorButtonType.Sqrt:
content = "Sqrt";
break;
case CalculatorButtonType.Subtract:
content = "-";
break;
case CalculatorButtonType.Three:
content = "3";
break;
case CalculatorButtonType.Two:
content = "2";
break;
case CalculatorButtonType.Zero:
content = "0";
break;
}
return(content);
}
public static bool IsDigit(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.Zero:
case CalculatorButtonType.One:
case CalculatorButtonType.Two:
case CalculatorButtonType.Three:
case CalculatorButtonType.Four:
case CalculatorButtonType.Five:
case CalculatorButtonType.Six:
case CalculatorButtonType.Seven:
case CalculatorButtonType.Eight:
case CalculatorButtonType.Nine:
case CalculatorButtonType.Decimal:
return true;
default:
return false;
}
}
public static void SetCalculatorButtonType(DependencyObject target, CalculatorButtonType value)
{
target.SetValue(CalculatorButtonTypeProperty, value);
}
private void SimulateCalculatorButtonClick(CalculatorButtonType buttonType)
{
_calculatorButton = CalculatorUtilities.FindButtonByCalculatorButtonType(_buttonPanel, buttonType);
VisualStateManager.GoToState(_calculatorButton, "Pressed", true);
_timer.Start();
}
public static Button FindButtonByCalculatorButtonType(DependencyObject parent, CalculatorButtonType type)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
{
var child = VisualTreeHelper.GetChild(parent, i);
object buttonType = child.GetValue(Button.CommandParameterProperty);
if (buttonType != null && (CalculatorButtonType)buttonType == type)
{
return(child as Button);
}
else
{
var result = FindButtonByCalculatorButtonType(child, type);
if (result != null)
{
return(result);
}
}
}
return(null);
}
private void SimulateCalculatorButtonClick( CalculatorButtonType buttonType )
{
var button = CalculatorUtilities.FindButtonByCalculatorButtonType( _buttonPanel, buttonType );
if( button != null )
{
VisualStateManager.GoToState( button, "Pressed", true );
DispatcherTimer timer;
if( _timers.ContainsKey( button ) )
{
timer = _timers[ button ];
timer.Stop();
}
else
{
timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromMilliseconds( 100 );
timer.Tick += Timer_Tick;
_timers.Add( button, timer );
}
timer.Start();
}
}
public static bool IsMemory(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.MAdd:
case CalculatorButtonType.MC:
case CalculatorButtonType.MR:
case CalculatorButtonType.MS:
case CalculatorButtonType.MSub:
return true;
default:
return false;
}
}
private void ProcessOperationKey(CalculatorButtonType buttonType)
{
switch (buttonType)
{
case CalculatorButtonType.Add:
Calculate(Operation.Add);
break;
case CalculatorButtonType.Subtract:
Calculate(Operation.Subtract);
break;
case CalculatorButtonType.Multiply:
Calculate(Operation.Multiply);
break;
case CalculatorButtonType.Divide:
Calculate(Operation.Divide);
break;
case CalculatorButtonType.Percent:
if (_lastOperation != Operation.None)
{
decimal currentValue = CalculatorUtilities.ParseDecimal(DisplayText);
decimal newValue = CalculatorUtilities.Percent(_previousValue, currentValue);
DisplayText = newValue.ToString();
}
else
{
DisplayText = "0";
_showNewNumber = true;
}
return;
case CalculatorButtonType.Sqrt:
Calculate(Operation.Sqrt, Operation.None);
break;
case CalculatorButtonType.Fraction:
Calculate(Operation.Fraction, Operation.None);
break;
case CalculatorButtonType.Negate:
Calculate(Operation.Negate, Operation.None);
break;
case CalculatorButtonType.Equal:
Calculate(Operation.None);
break;
case CalculatorButtonType.Clear:
Calculate(Operation.Clear, Operation.None);
break;
case CalculatorButtonType.Cancel:
DisplayText = _previousValue.ToString();
_lastOperation = Operation.None;
_showNewNumber = true;
return;
case CalculatorButtonType.Back:
ProcessBackKey();
return;
default:
break;
}
Decimal.TryParse(DisplayText, out _previousValue);
_showNewNumber = true;
}
public static string GetCalculatorButtonContent(CalculatorButtonType type)
{
string content = string.Empty;
switch (type)
{
case CalculatorButtonType.Add:
content = "+";
break;
case CalculatorButtonType.Back:
content = "Back";
break;
case CalculatorButtonType.Cancel:
content = "CE";
break;
case CalculatorButtonType.Clear:
content = "C";
break;
case CalculatorButtonType.Decimal:
content = CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator;
break;
case CalculatorButtonType.Divide:
content = "/";
break;
case CalculatorButtonType.Eight:
content = "8";
break;
case CalculatorButtonType.Equal:
content = "=";
break;
case CalculatorButtonType.Five:
content = "5";
break;
case CalculatorButtonType.Four:
content = "4";
break;
case CalculatorButtonType.Fraction:
content = "1/x";
break;
case CalculatorButtonType.MAdd:
content = "M+";
break;
case CalculatorButtonType.MC:
content = "MC";
break;
case CalculatorButtonType.MR:
content = "MR";
break;
case CalculatorButtonType.MS:
content = "MS";
break;
case CalculatorButtonType.MSub:
content = "M-";
break;
case CalculatorButtonType.Multiply:
content = "*";
break;
case CalculatorButtonType.Nine:
content = "9";
break;
case CalculatorButtonType.None:
break;
case CalculatorButtonType.One:
content = "1";
break;
case CalculatorButtonType.Percent:
content = "%";
break;
case CalculatorButtonType.Seven:
content = "7";
break;
case CalculatorButtonType.Negate:
content = "+/-";
break;
case CalculatorButtonType.Six:
content = "6";
break;
case CalculatorButtonType.Sqrt:
content = "Sqrt";
break;
case CalculatorButtonType.Subtract:
content = "-";
break;
case CalculatorButtonType.Three:
content = "3";
break;
case CalculatorButtonType.Two:
content = "2";
break;
case CalculatorButtonType.Zero:
content = "0";
break;
}
return content;
}
private void ProcessMemoryKey(CalculatorButtonType buttonType)
{
decimal currentValue = CalculatorUtilities.ParseDecimal(DisplayText);
switch (buttonType)
{
case CalculatorButtonType.MAdd:
Memory += currentValue;
break;
case CalculatorButtonType.MC:
Memory = decimal.Zero;
break;
case CalculatorButtonType.MR:
DisplayText = Memory.ToString();
break;
case CalculatorButtonType.MS:
Memory = currentValue;
break;
case CalculatorButtonType.MSub:
Memory -= currentValue;
break;
default:
break;
}
m_showNewNumber = true;
}
