public static T ValidateEventData <T>(BaseEventData data) where T : class
{
if ((data as T) == null)
{
throw new ArgumentException(String.Format("Invalid type: {0} passed to event expecting {1}", data.GetType(), typeof(T)));
}
return(data as T);
}
public static GameObject ExecuteHierarchy <T>(GameObject root, BaseEventData eventData, EventFunction <T> callbackFunction) where T : IEventSystemHandler
{
GetEventChain(root, s_InternalTransformList);
for (var i = 0; i < s_InternalTransformList.Count; i++)
{
var transform = s_InternalTransformList[i];
if (Execute(transform.gameObject, eventData, callbackFunction))
{
return(transform.gameObject);
}
}
return(null);
}
public static bool Execute <T>(GameObject target, BaseEventData eventData, EventFunction <T> functor) where T : IEventSystemHandler
{
var internalHandlers = s_HandlerListPool.Get();
GetEventList <T>(target, internalHandlers);
// if (s_InternalHandlers.Count > 0)
// Debug.Log("Executinng " + typeof (T) + " on " + target);
for (var i = 0; i < internalHandlers.Count; i++)
{
T arg;
try
{
arg = (T)internalHandlers[i];
}
catch (Exception e)
{
var temp = internalHandlers[i];
Debug.LogException(new Exception(string.Format("Type {0} expected {1} received.", typeof(T).Name, temp.GetType().Name), e));
continue;
}
try
{
functor(arg, eventData);
}
catch (Exception e)
{
Debug.LogException(e);
}
}
var handlerCount = internalHandlers.Count;
s_HandlerListPool.Release(internalHandlers);
return(handlerCount > 0);
}
private static void Execute(IEndDragHandler handler, BaseEventData eventData)
{
handler.OnEndDrag(ValidateEventData <PointerEventData>(eventData));
}
private static void Execute(IInitializePotentialDragHandler handler, BaseEventData eventData)
{
handler.OnInitializePotentialDrag(ValidateEventData <PointerEventData>(eventData));
}
private static void Execute(IPointerClickHandler handler, BaseEventData eventData)
{
handler.OnPointerClick(ValidateEventData <PointerEventData>(eventData));
}
private static void Execute(ISubmitHandler handler, BaseEventData eventData)
{
handler.OnSubmit(eventData);
}
private static void Execute(ICancelHandler handler, BaseEventData eventData)
{
handler.OnCancel(eventData);
}
private static void Execute(IMoveHandler handler, BaseEventData eventData)
{
handler.OnMove(ValidateEventData <AxisEventData>(eventData));
}
private static void Execute(IDeselectHandler handler, BaseEventData eventData)
{
handler.OnDeselect(eventData);
}
private static void Execute(IUpdateSelectedHandler handler, BaseEventData eventData)
{
handler.OnUpdateSelected(eventData);
}
private static void Execute(IScrollHandler handler, BaseEventData eventData)
{
handler.OnScroll(ValidateEventData <PointerEventData>(eventData));
}
private static void Execute(IDropHandler handler, BaseEventData eventData)
{
handler.OnDrop(ValidateEventData <PointerEventData>(eventData));
}
