[Qt-interest] QAggregatingProxyModel ?

[Kishore]

On Wednesday 23 Jun 2010 9:00:02 pm Stephen Kelly wrote:
> Kishore wrote:
> > Once the dev days presentations mentions a QAggregatingProxyModel class
> > that could be part of standard Qt (4.5 release as i recall). Surely, it
> > was not included in the release. Sadly, the only reference to the class
> > name returned by google is from that presentation
> > (http://www.slideshare.net/mariusbu/practical-model-view-programming)
> > 
> > I am now in need of such a class. What are my options?
> 
> Option 1) Ask Qt to release it somewhere. They might put it on labs if you
> reach the right people.

Who would be the right one? Hmmm i guess there might be the email id the 
presentation i linked. I'll check.

> Option 2) If LGPL works for you you can use the one that I designed but
> haven't fully written yet in kdelibs.

That works fine for me! I'll look. Whats the file called?

> Option 3) Write your own. A potentially non-trivial amount of work and
> learning if you haven't implemented a proxy model before. Don't subclass
> QAbstractProxyModel by the way. Subclass QAbstractItemModel instead.

Thats the first thing that struck me when i looked through the API of 
QAbstractItemModel. API seems to assume that there is only one model that it 
proxies. API like setSourceModel() and sourceModel().
-- 
Cheers!
Kishore