[Qt-interest] QAggregatingProxyModel ?

[Kishore]

On Thursday 24 Jun 2010 5:53:35 pm Kishore wrote:
> 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().
Sorry, i meant QAbstractProxyModel.
-- 
Cheers!
Kishore