/// <summary>
/// O padrão State permite que um objeto altere o seu comportamento quando o seu estado interno muda. O objeto parecerá ter mudado de classe.
/// </summary>
private static void TestComposite()
{
Menu dinerMenu = new Menu("Diner", "Lunch");
dinerMenu.AddItem(new Composite.MenuItem("Vegetarian BLT", "(Fakin) Bacon with lettuce & tomato on whole wheat", true, 2.99));
dinerMenu.AddItem(new Composite.MenuItem("BLT", "Bacon with lettuce & tomato on whole wheat", false, 2.99));
dinerMenu.AddItem(new Composite.MenuItem("Soup of the day", "Soup of the day, with a side of potato salad", false, 3.29));
dinerMenu.AddItem(new Composite.MenuItem("Hotdog", "A hot dog, with saurkraut, relish, onions, topped with cheese", false, 3.05));
Menu pancakeMenu = new Menu("Pancake", "Breakfast");
pancakeMenu.AddItem(new Composite.MenuItem("K&B's Pancake Breakfast", "Pancakes with scrambled eggs, and toast", true, 2.99));
pancakeMenu.AddItem(new Composite.MenuItem("Regular Pancake Breakfast", "Pancakes with fried eggs, sausage", false, 2.99));
pancakeMenu.AddItem(new Composite.MenuItem("Blueberry Pancakes", "Pancakes made with fresh blueberries", true, 3.49));
pancakeMenu.AddItem(new Composite.MenuItem("Waffles", "Waffles of your choice with blueberries or strawberries", true, 3.59));
Menu dessertMenu = new Menu("Dessert", "Dessert, of course");
dessertMenu.AddItem(new Composite.MenuItem("Veggie Burger and Air Fries", "Veggie burger on a whole wheat bun", true, 3.99));
dessertMenu.AddItem(new Composite.MenuItem("Cheesecake", "Creamy New York Cheesecake, with chocolate graham crust", false, 1.89));
dinerMenu.AddItem(dessertMenu);
var items = new IMenuComponent[2];
items[0] = dinerMenu;
items[1] = pancakeMenu;
var iterator = new MenuIterator(items);
iterator.PrintMenu();
}
public void RunIterator()
{
var menuIterator = new MenuIterator(arrayMenuItem);
while (menuIterator.HasNext())
{
var menuItem = (MenuItem)menuIterator.Next();
}
}
public void PrintMenu()
{
MenuIterator menuIterator = new MenuIterator(_menus);
while (menuIterator.HasNext())
{
IMenu menu = menuIterator.Next() as IMenu;
PrintMenu(menu.CreateIterator());
}
}
