void NotifyEventHandler(ISGControlledElement eventHandler, IGraphDataAction changeAction)
{
SGControllerChangedEvent e = new SGControllerChangedEvent();
e.controller = this;
e.target = eventHandler;
e.change = changeAction;
eventHandler.OnControllerChanged(ref e);
if (e.isPropagationStopped)
{
return;
}
if (eventHandler is VisualElement)
{
var element = eventHandler as VisualElement;
eventHandler = element.GetFirstOfType <ISGControlledElement>();
while (eventHandler != null)
{
eventHandler.OnControllerChanged(ref e);
if (e.isPropagationStopped)
{
break;
}
eventHandler = (eventHandler as VisualElement).GetFirstAncestorOfType <ISGControlledElement>();
}
}
}
internal void RegisterHandler(ISGControlledElement handler)
{
//Debug.Log("RegisterHandler of " + handler.GetType().Name + " on " + GetType().Name );
if (m_EventHandlers.Contains(handler))
{
Debug.LogError("Handler registered twice");
}
else
{
m_EventHandlers.Add(handler);
NotifyEventHandler(handler, DummyChange);
}
}
internal void UnregisterHandler(ISGControlledElement handler)
{
m_EventHandlers.Remove(handler);
}
SGControllerEvent(ISGControlledElement controlledTarget)
{
target = controlledTarget;
}
