public void Show(string menu)
{
if (MenuCollection.Menus.TryGetValue(menu, out var menuObject))
{
currentMenu = menuObject;
currentPage = menuObject.Pages[0];
currentItem = GetCurrentItem();
itemFocused = false;
menuStack.Push(new MenuState
{
Menu = menuObject,
Page = 0
});
isOpen = true;
}
}
public void NextItem()
{
var page = currentPage;
var item = currentItem;
if (page == null || page.Items.Count == 0)
{
return;
}
var index = (item?.Index + 1 ?? 0) % page.Items.Count;
currentItem = page.Items[index];
pointerAngle = currentItem.Angle;
isPointerVisible = true;
itemFocused = true;
}
public void Back()
{
if (menuStack.Count > 1)
{
menuStack.Pop();
var current = menuStack.Peek();
currentMenu = current.Menu;
currentPage = current.Menu.Pages[current.Page];
currentItem = GetCurrentItem();
itemFocused = false;
isOpen = menuStack.Count != 0;
}
else if (menuStack.Count == 1)
{
Exit();
}
}
public void PreviousItem()
{
var page = currentPage;
var item = currentItem;
if (page == null || page.Items.Count == 0)
{
return;
}
var index = item?.Index - 1 ?? 0;
if (index < 0)
{
index = page.Items.Count - 1;
}
currentItem = page.Items[index];
pointerAngle = currentItem.Angle;
isPointerVisible = true;
itemFocused = true;
}
