/// <summary>
/// Load a menu into memory by instantiating an instance of it's view
/// and populating it with the data from the model passed in.
/// </summary>
/// <typeparam name="T">The type of menu to load.</typeparam>
/// <param name="menu">The menu's model.</param>
public void LoadMenu <T>(T menu) where T : class, IMenu
{
if (menuPresenter != null)
{
menuPresenter.Unload();
}
MenuPresenterAttribute presenterAttribute = typeof(T).GetCustomAttribute <MenuPresenterAttribute>();
//Easy. We know what kind of presenter to use.
if (presenterAttribute != null)
{
//Is the current one what we need?
if ((menuPresenter?.GetType() ?? null) != presenterAttribute.Type)
{
menuPresenter = Activator.CreateInstance(presenterAttribute.Type, this, commandConsole, configContainer) as IMenuPresenter;
}
}
else
{
throw new Exception(string.Format("No menu presenter attribute found on menu of type: {0}", typeof(T)));
}
menuPresenter.Load(menuContainer, menu);
}
/// <summary>
/// Handle console to choose from menuitems and call the right method Play, Load, Quit
/// from menuPresenter
/// </summary>
private void HandleMenuItems()
{
int optionsPerLine = menuItems.Length;
ConsoleKey key;
do
{
Show();
key = Console.ReadKey(true).Key;
switch (key)
{
case ConsoleKey.LeftArrow:
{
if (currentSelection % optionsPerLine > 0)
{
currentSelection--;
}
break;
}
case ConsoleKey.RightArrow:
{
if (currentSelection % optionsPerLine < optionsPerLine - 1)
{
currentSelection++;
}
break;
}
case ConsoleKey.UpArrow:
{
if (currentSelection >= optionsPerLine)
{
currentSelection -= optionsPerLine;
}
break;
}
case ConsoleKey.DownArrow:
{
if (currentSelection + optionsPerLine < menuItems.Length)
{
currentSelection += optionsPerLine;
}
break;
}
case ConsoleKey.Escape:
{
menuPresenter.Quit();
break;
}
}
} while (key != ConsoleKey.Enter);
Console.CursorVisible = true;
switch (currentSelection)
{
case 0:
menuPresenter.Play(new GameView());
break;
case 1:
menuPresenter.Load(new GameView(), new LoadView());
break;
case 2:
menuPresenter.Quit();
break;
default:
break;
}
}