private void ControllerOnMoveToElement(UiElement uiElement)
{
if (CurrentElement != uiElement)
{
CurrentElement?.Unfocus();
CurrentElement = uiElement;
CurrentElement.Focus();
}
}
private void ControllerOnMoveToPreviousElement()
{
var lastElement = CurrentElement;
if (CurrentElement == null)
{
CurrentElement = _interactableElements.FirstOrDefault();
}
else
{
var index = _interactableElements.IndexOf(CurrentElement);
CurrentElement = index == 0 ? _interactableElements[_interactableElements.Count - 1] : _interactableElements[index - 1];
}
if (lastElement != CurrentElement)
{
lastElement?.Unfocus();
CurrentElement?.Focus();
}
}
public virtual void Update(GameTime gameTime)
{
if (_rearrangeList)
{
_interactableElements.RemoveAll(e => !e.IsInteractable);
_interactableElements.Sort((e1, e2) => e1.TabIndex.CompareTo(e2.TabIndex));
}
foreach (var inputController in InputControllers)
{
inputController.Update(this);
}
if (_elementToGetFocus != null && _elementToGetFocus.State == UiState.Active)
{
_elementToGetFocus.Focus();
CurrentElement = _elementToGetFocus;
_elementToGetFocus = null;
}
}