public void Show()
{
do
{
PrintMenu();
var key = Console.ReadKey(true);
switch (key.Key)
{
case ConsoleKey.DownArrow:
_selectedOption = _options[(_options.IndexOf(_selectedOption) + 1) % (_options.Count)];
break;
case ConsoleKey.UpArrow:
var index = Math.Abs((_options.IndexOf(_selectedOption) - 1) % (_options.Count));
_selectedOption = _options[index];
break;
case ConsoleKey.LeftArrow:
_selectedOption.Left();
break;
case ConsoleKey.RightArrow:
_selectedOption.Right();
break;
case ConsoleKey.Enter:
_selectedOption.Execute(Arguments);
break;
case ConsoleKey.Escape:
ShouldShow = false;
break;
}
} while (ShouldShow);
}
public Menu(string title, IEnumerable <MenuOption> options)
{
_title = title;
_options = options.ToList();
ShouldShow = true;
_selectedOption = _options[0];
}
