public virtual void ReleaseListeners(object target)
{
if (ListChanged != null)
{
foreach (Delegate d in ListChanged.GetInvocationList())
{
if (target == null || d.Target == target)
{
ListChanged -= (ListChangedEventHandler)d;
}
}
}
if (LoadFinished != null)
{
foreach (Delegate d in LoadFinished.GetInvocationList())
{
if (target == null || d.Target == target)
{
LoadFinished -= (LoadFinishedEventHandler)d;
}
}
}
if (ListItemChanged != null)
{
foreach (Delegate d in ListItemChanged.GetInvocationList())
{
if (target == null || d.Target == target)
{
ListItemChanged -= (ListItemChangedEventHandler)d;
}
}
}
foreach (T ho in this)
{
ho.ReleaseListeners(target);
}
}
public void AddHandlersWithLoad(ListChangedEventHandler listChangedEventHandler,
LoadFinishedEventHandler loadFinishedEventHandler,
ListItemChangedEventHandler itemChangedEventHandler)
{
#if (CHATTY_DEBUG)
string msg = "*** HRA LIST AddHandlersWithLoad on : " + this.ToString() + System.Environment.NewLine;
if (listChangedEventHandler != null)
{
msg += "By: " + listChangedEventHandler.Target.ToString();
}
else if (loadFinishedEventHandler != null)
{
msg += "By: " + loadFinishedEventHandler.Target.ToString();
}
else if (itemChangedEventHandler != null)
{
msg += "By: " + itemChangedEventHandler.Target.ToString();
}
Logger.Instance.DebugToLog(msg);
#endif
if (listChangedEventHandler != null)
{
if (ListChanged == null)
{
ListChanged += listChangedEventHandler;
}
else
{
bool ok = true;
foreach (Delegate d in ListChanged.GetInvocationList())
{
if (d.Target == listChangedEventHandler.Target)
{
ok = false;
}
}
if (ok)
{
ListChanged += listChangedEventHandler;
}
}
}
if (loadFinishedEventHandler != null)
{
if (LoadFinished == null)
{
LoadFinished += loadFinishedEventHandler;
}
else
{
bool ok = true;
foreach (Delegate d in LoadFinished.GetInvocationList())
{
if (d.Target == loadFinishedEventHandler.Target)
{
ok = false;
}
}
if (ok)
{
LoadFinished += loadFinishedEventHandler;
}
}
}
if (itemChangedEventHandler != null)
{
if (ListItemChanged == null)
{
ListItemChanged += itemChangedEventHandler;
}
else
{
bool ok = true;
foreach (Delegate d in ListItemChanged.GetInvocationList())
{
if (d.Target == loadFinishedEventHandler.Target)
{
ok = false;
}
}
if (ok)
{
ListItemChanged += itemChangedEventHandler;
}
}
}
if (loaded)
{
if (loadFinishedEventHandler != null)
{
HraListLoadedEventArgs args = new HraListLoadedEventArgs();
args.sender = this;
args.workerArgs = new RunWorkerCompletedEventArgs(this, null, false);
loadFinishedEventHandler.Invoke(args);
}
}
else
{
LoadList();
}
}
