public override void UnregisterAction(string actionName, PropertyChangedHandlerEx handler)
{
if (_actions.ContainsKey(actionName))
{
_actions.Remove(actionName);
}
else
{
Logger.WarnFormat("there is not action {0}", actionName);
}
}
public override void RegisterAction(string actionName, PropertyChangedHandlerEx handler)
{
Logger.DebugFormat("Strategy {0} register an action: {1}", this.GetType().FullName, actionName);
if (_parent == null)
{
_actions[actionName] = handler;
}
else
{
_parent.RegisterAction(actionName, handler);
}
}
public override void UnregisterHandler(NotifiableObject notifier, string propertyName, PropertyChangedHandlerEx changingHandler, PropertyChangedHandlerEx changedHandler)
{
if (notifier != null)
{
_registry.UnregisterHandler(notifier, propertyName, changingHandler, changedHandler);
}
else
{
Logger.ErrorFormat("Listener object is null when unregister handler");
throw new Exception("Listener object is null when unregister handler");
}
}
public override void RegisterHandler(NotifiableObject notifier, string propertyName, PropertyChangedHandlerEx changingHandler, PropertyChangedHandlerEx changedHandler)
{
if (notifier != null)
{
_registry.RegisterHandler(notifier, propertyName, changingHandler, changedHandler);
if (!_registered.Contains(notifier))
{
notifier.PropertyChangedEx += (sender, args) => { Invoke(sender, args, PropertyChangeEvent.Changed); };
notifier.PropertyChangingEx += (sender, args) => { Invoke(sender, args, PropertyChangeEvent.Changing); };
}
}
else
{
Logger.ErrorFormat("Listener object is null when register handler");
throw new Exception("Listener object is null when register handler");
}
}