public void Focus(UIInputElement target)
{
if (!Targets.Contains(target))
{
throw new Exception($"{nameof(UIInputElement)} not in group.");
}
FocusTarget = target;
}
public void Add(UIInputElement target)
{
if (Targets.Contains(target))
{
throw new Exception($"{nameof(UIInputElement)} already in group.");
}
Targets.Add(target);
target.Group = this;
if (FocusTarget == null)
{
FocusTarget = target;
}
}
public void FocusNext(bool reverse = false)
{
if (Targets.Count == 0)
{
return;
}
if (Targets.Count == 1)
{
FocusTarget = Targets[0];
return;
}
int targetIndex = (Targets.IndexOf(FocusTarget) + (reverse ? -1 : 1) + Targets.Count) % Targets.Count;
FocusTarget = Targets[targetIndex];
Main.PlaySound(SoundID.MenuTick);
}
public bool Remove(UIInputElement target)
{
return(Targets.Remove(target));
}