public bool Equals(CollectionEvent <T> otherEvent, SCG.IEqualityComparer <T> itemequalityComparer)
{
if (otherEvent == null || Act != otherEvent.Act || !object.ReferenceEquals(Sender, otherEvent.Sender))
{
return(false);
}
switch (Act)
{
case EventType.None:
break;
case EventType.Changed:
return(true);
case EventType.Cleared:
if (Args is ClearedRangeEventArgs)
{
ClearedRangeEventArgs a = Args as ClearedRangeEventArgs;
if (!(otherEvent.Args is ClearedRangeEventArgs o))
{
return(false);
}
return(a.Full == o.Full && a.Start == o.Start && a.Count == o.Count);
}
else
{
if (otherEvent.Args is ClearedRangeEventArgs)
{
return(false);
}
ClearedEventArgs a = Args as ClearedEventArgs, o = otherEvent.Args as ClearedEventArgs;
return(a.Full == o.Full && a.Count == o.Count);
}
case EventType.Added:
{
ItemCountEventArgs <T> a = Args as ItemCountEventArgs <T>, o = otherEvent.Args as ItemCountEventArgs <T>;
return(itemequalityComparer.Equals(a.Item, o.Item) && a.Count == o.Count);
}
case EventType.Removed:
{
ItemCountEventArgs <T> a = Args as ItemCountEventArgs <T>, o = otherEvent.Args as ItemCountEventArgs <T>;
return(itemequalityComparer.Equals(a.Item, o.Item) && a.Count == o.Count);
}
case EventType.Inserted:
{
ItemAtEventArgs <T> a = Args as ItemAtEventArgs <T>, o = otherEvent.Args as ItemAtEventArgs <T>;
return(a.Index == o.Index && itemequalityComparer.Equals(a.Item, o.Item));
}
case EventType.RemovedAt:
{
ItemAtEventArgs <T> a = Args as ItemAtEventArgs <T>, o = otherEvent.Args as ItemAtEventArgs <T>;
return(a.Index == o.Index && itemequalityComparer.Equals(a.Item, o.Item));
}
}
throw new ApplicationException("Illegal Action: " + Act);
}
public void Add(CollectionEvent <T> e)
{
happened.Add(e);
}