public void AddItem(string text)
{
// set position by item order
Vector2 p = new Vector2(position.X, position.Y + items.Count * height);
MenuItem item = new MenuItem(text, p);
items.Add(item);
// select first item
if (selectedItem == null)
selectedItem = item;
}
public MenuItemComponent(Game game, Vector2 position, Color unselectedColor, Color selectedColor, int height)
: base(game)
{
this.position = position;
this.game = game;
this.unselectedColor = unselectedColor;
this.selectedColor = selectedColor;
this.height = height;
items = new List<MenuItem>();
selectedItem = null;
}
private void SelectPrevItem()
{
int index = items.IndexOf(selectedItem);
if (index > 0)
selectedItem = items[index - 1];
else
selectedItem = items[items.Count - 1];
}
private void SelectNextItem()
{
int index = items.IndexOf(selectedItem);
if (index < items.Count - 1)
selectedItem = items[index + 1];
else
selectedItem = items[0];
}