public override void AddEventListener(string eventType, Core.Events.EventHandler handler, Core.Events.EventPhase phases, int priority)
{
base.AddEventListener(eventType, handler, phases, priority);
if (eventType == RendererExistenceEvent.RENDERER_ADD && null != DataGroup)
{
DataGroup.AddEventListener(RendererExistenceEvent.RENDERER_ADD, DispatchEvent);
}
if (eventType == RendererExistenceEvent.RENDERER_REMOVE && null != DataGroup)
{
DataGroup.AddEventListener(RendererExistenceEvent.RENDERER_REMOVE, DispatchEvent);
}
}
public override void RemoveEventListener(string eventType, Core.Events.EventHandler handler, Core.Events.EventPhase phases)
{
base.RemoveEventListener(eventType, handler, phases);
// if no one's listening to us for this event any more, let's
// remove our underlying event listener from the dataGroup.
if (eventType == RendererExistenceEvent.RENDERER_ADD && null != DataGroup)
{
if (!HasEventListener(RendererExistenceEvent.RENDERER_ADD))
{
DataGroup.RemoveEventListener(RendererExistenceEvent.RENDERER_ADD, DispatchEvent);
}
}
if (eventType == RendererExistenceEvent.RENDERER_REMOVE && null != DataGroup)
{
if (!HasEventListener(RendererExistenceEvent.RENDERER_REMOVE))
{
DataGroup.RemoveEventListener(RendererExistenceEvent.RENDERER_REMOVE, DispatchEvent);
}
}
}
