[Erp5-dev] About categories

[Sebastien Robin]

Le Jeudi 16 Février 2006 19:11, Rafael Monnerat a écrit :
> Thanks Jean, another question....
>
> Do categories support multiple references? Example:
>
> One class A has references to many (n or *) classes B. Is it possible?

Yes, you have by the same time theses generators generated :

getFoocatValueList()
b.setFoocatValueList([b,c])

You can search for the keyword "accessor" on erp5.org, there is a document 
describing rad (Rapid Application Developpment). It is a bit outdated but 
very interesting, I may update it on wiki.erp5.org one day when I will 
get some free time.

  Seb.

>
> On 2/16/06, Jean-Paul Smets <jp at nexedi.com> wrote:
> > Le Mercredi 15 Février 2006 20:50, Rafael Monnerat a écrit :
> > > Could anyone  explain me how works the categories and how can I
> > > use? I read the ' Rapid Application Development with ERP5' but I
> > > still don't understand how I can use that.
> > >
> > > I'm trying to create a reference from classe A to class B (for
> > > example). What do I need to do?
> >
> > Just state in the portal_types that portal_type A is based category
> > "foocat". (supposing that foocat is an existing base category in
> > portal_categories)
> >
> > You will then get an accessor created for you
> >         getFoocatValue()
> >         setFoocatValue()
> >
> > You can set a relation between object a and object b by stating
> >         a.setFoocatValue(b)
> >
> > Then retrieve the relation by
> >         a.getFoocatValue()
> >
> > JPS.
> >
> > > Waiting for answers... : )
> > >
> > > --
> > > Rafael M. Monnerat
> > > http://monnerat.objectis.net
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> > > http://erp5.org/mailman/listinfo/erp5-dev
> >
> > --
> > Jean-Paul Smets-Solanes, Nexedi CEO - Tel. +33(0)6 62 05 76 14
> > Nexedi: Consulting and Development of Libre / Open Source Software
> > http://www.nexedi.com
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>
> --
> Rafael M. Monnerat
> http://monnerat.objectis.net
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-- 
Sebastien Robin, Nexedi Technical Director
Nexedi: Consulting and Development of Free / Open Source Software
http://www.nexedi.com
ERP5: Free / Open Source ERP Software for small and medium companies
http://www.erp5.org