From kde-panel-devel  Sun Jun 19 17:34:42 2011
From: Marco Martin <notmart () gmail ! com>
Date: Sun, 19 Jun 2011 17:34:42 +0000
To: kde-panel-devel
Subject: Re: Accessing models from QML plasmoid
Message-Id: <201106191934.42936.notmart () gmail ! com>
X-MARC-Message: https://marc.info/?l=kde-panel-devel&m=130850494028593

On Sunday 19 June 2011, Shantanu Tushar Jha wrote:
> Hi,
> 
> I am having the same doubt, I guess Marco can answer :)
> 
> Shantanu Tushar    (UTC +0530)
> http://www.shantanutushar.com
> 
> On Sat, Jun 18, 2011 at 12:37 AM, Francesco Nwokeka <
> 
> francesco.nwokeka@gmail.com> wrote:
> > Hi all,
> > 
> >        I'm working on a GSoC project and creating plasmoids for
> > 
> > kde-telepathy. I would like to know
> > from you guys, which would be the right approach to read info from a
> > model we have that retrieves
> > it's info from nepomuk.
> > 
> > Do I have to wrap this model as a dataengine, or is there a better way to
> > use a pre-existing
> > QAbstractItemModel in Plasma-QML?

to work in qml a qabstractitemmodel needs:

* one single column
* roles with actual names (assigned with setRoleNames)

to be "seen" is either setContextProperty from C++ (but in this case you can't 
do a qml-only plasmoid, it would have to be mixed qml c++)

or be exported in a plugin (that is then used with the import keyword)
in this case the model would be created and instantiated from within qml


in general, i prefer models in qml itemviews to be actual models, in 
libplasma2 i would instead like to have model support directly into the 
dataengine, that would be way cleaner, but unfortunately, not yet..

Cheers, 
Marco Martin
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