internal static int Int32(string msg)
{
Console.WriteLine(msg);
ConsoleKeyInfo KeyInfo;
Handler minusHandler = new IntMinusHandler();
Handler digitHandler = new IntDigitHandler();
Handler backspaceHandler = new IntBackspaceHandler();
Handler enterHandler = new IntEnterHandler();
minusHandler.SetSuccessor(digitHandler);
digitHandler.SetSuccessor(backspaceHandler);
backspaceHandler.SetSuccessor(enterHandler);
do
{
KeyInfo = Console.ReadKey(true);
if (str.ToString().Contains('-'))
{
digitHandler.HandleRequest(KeyInfo);
}
else
{
minusHandler.HandleRequest(KeyInfo);
}
}while (KeyInfo.Key != ConsoleKey.Enter);
return(Value);
}
public override void HandleRequest(ConsoleKeyInfo request)
{
if (request.Key == ConsoleKey.Enter && IntBackspaceHandler.StrIsNotEmpty())
{
Console.WriteLine();
try
{
InputInt32.Value = int.Parse(InputInt32.Str.ToString());
}
catch (OverflowException e)
{
Console.WriteLine(e.Message);
}
}
else
{
Console.Beep();
}
}
