/// <summary>
/// Remove an event handler from the system.
/// It's important to make sure all event handler are removed when they are disposed of.
/// Event handlers left in the system, will cause memory leaks, or errors.
/// </summary>
/// <param name="catagory"></param>
/// <param name="subcatagory"></param>
/// <param name="eventHandler"></param>
public static void RemoveEventHandler(Enum catagory, Enum subcatagory, ICEventHandler eventHandler)
{
var handlerList = GetHandlerList(catagory, subcatagory);
if (handlerList != null)
{
handlerList.Remove(eventHandler);
}
}
/// <summary>
/// Add a new event handler to the system
/// Once the handler is added, it will recieve all events which are boradcasted on the system.
/// If the object has already been registered in this list, this class will trhow an error.
/// </summary>
/// <param name="catagory"></param>
/// <param name="subcatagory"></param>
/// <param name="eventHandler"></param>
public static void AddEventHandler(Enum catagory, Enum subcatagory, ICEventHandler eventHandler)
{
var handlerList = GetHandlerList(catagory, subcatagory, true);
if (handlerList.Contains(eventHandler))
{
throw new System.Exception("The event handler is already in this catagory in the event system");
}
handlerList.Add(eventHandler);
}
