/// <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>
/// Destroy any existing menus right before switching scenes.
/// This will handle calling their release of resources.
/// </summary>
/// <param name="scene"></param>
public override void OnSceneDestroyed(Scene scene)
{
menuPresenter?.Unload();
}
