private static MenuOption GetMenuSelection(Menu menu)
{
int opt, min, max;
if (menu.Title != null)
{
Console.WriteLine(menu.Title);
Console.WriteLine(new string('=', menu.Title.Length));
}
else
Console.WriteLine("Please select from the following items:");
DisplayMenu(menu.MenuOptions, menu.ExitOption, out min, out max);
Console.Write("Please enter your selection ({0}-{1}): ", min, max);
while (int.TryParse(Console.ReadLine(), out opt) == false || opt < min || opt > max)
{
Console.WriteLine();
Console.WriteLine("That is not a valid option. Please try again.");
Console.Write("Please enter your selection ({0}-{1}): ", min, max);
}
Console.WriteLine();
MenuOption ret = menu.ExitOption;
if (opt != 0)
ret = menu.MenuOptions[opt - 1];
return ret;
}
public static void Run(Menu menu)
{
object selectedObject;
MenuOption opt;
while ((opt = GetMenuSelection(menu)) != menu.ExitOption)
{
selectedObject = null;
if (opt.SelectionsProvider != null)
{
Menu subOpts = opt.SelectionsProvider();
selectedObject = GetMenuSelection(subOpts).RelatedObject;
}
if ((opt.SelectionsProvider == null || selectedObject != null) && opt.Handler != null)
{
opt.Handler(selectedObject);
Console.WriteLine();
}
if (opt.RelatedObject is Menu)
{
Menu sm = opt.RelatedObject as Menu;
Run(opt.RelatedObject as Menu);
}
}
}
