On Monday 22 March 2010 12:43:18 am Gopal Patel wrote:
> i was exploring the possibility of using dabo for my erp client. and dabo
> seems to be a qutite reasonable choice.
>
> is there any production open source availablle on top of dabo which i can
> explore to understand and using dabo.
>
> and it may happen that i need to extend dabo for custom widgets and such.
> is there any guideline to create plugins or any other way
> to extend dabo ?
>
> thanks

I have been designing interfaces to xTuple.  Larry has been too.  I believe 
Nate is also writting code that interfaces to some other type of ERP.  None 
of which is open source.

Before you start extending Dabo make sure that you utilize all of what Dabo 
can do.  When Larry and I first started we wrote code that subclassed several 
of the controls only to later to discovered we did NOT have the real need.  
That was because Dabo actually covered what was required.  IOW learn the 
framework before considering subclassing.

After you have determined that a subclass is really needed (I didn't say it 
was never needed) read the source code and ask questions here.  Most of the 
time all that is needed is to subclass a Dabo control.  The next step would 
be to subclass at the wxPython level.  Beyond that is beyond me.

I found the following helpful:
http://zetcode.com/wxpython/customwidgets/

Johnf


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