[Zope] Product inhetitance question

[Andy McKay]

----- Original Message -----
From: "Andy McKay" <AndyM@ActiveState.com>
To: "Daniel Rusch" <drusch@globalcrossing.com>
Sent: Thursday, August 17, 2000 11:21 AM
Subject: Re: [Zope] Product inhetitance question


> Ah... ok sorry you are right, stuff outside the class doesnt get
inherited.
> What I did for this was make a very generic manage_addProduct and specify
in
> my _init_.py a class initialisation string or whatever it is called...
>
> context.registerClass(A.ObjB, permission='Add ObjB',
> constructors=(A.addForm, A.manage_addA) )
>
> If that makes sense. The manage_AddObject form creates an the right object
> depending upon paramaters passed to it.
>
> --
>      Andy McKay, Developer, ActiveState
>      http://www.ActiveState.com
>      Programming for the People
>
>
> ----- Original Message -----
> From: "Daniel Rusch" <drusch@globalcrossing.com>
> To: "Andy McKay" <AndyM@ActiveState.com>
> Sent: Thursday, August 17, 2000 9:10 AM
> Subject: Re: [Zope] Product inhetitance question
>
>
> > Slightly,
> >
> > I understand that if A has foo() then so does B(). But in a Zope product
> the
> > are some things that lie "outside" of the class definition. The
manage_add
> > function is one of them. addtionally, I am having troubles getting B to
> > inherit A's _properties structure.
> >
> > Thanks for all your help. I have learned an unbelieveable amount this
> week.
> > Everyone else is gone and we are in a slow period so I wanted to learn
the
> > more advanced techniques this week.
> >
> > Dan
> >
> > Andy McKay wrote:
> >
> > > Well by inheritance B has all the methods, properties etc you have in
A.
> So
> > > the answer is yes, if A has the foobar method then B will have a
foobar
> > > method.
> > >
> > > Or do I misunderstand your question?
> > > --
> > >      Andy McKay, Developer, ActiveState
> > >      http://www.ActiveState.com
> > >      Programming for the People
> > >
> > > ----- Original Message -----
> > > From: "Daniel Rusch" <drusch@globalcrossing.com>
> > > To: <zope@zope.org>
> > > Sent: Thursday, August 17, 2000 8:42 AM
> > > Subject: [Zope] Product inhetitance question
> > >
> > > > Hey all,
> > > >
> > > > Say I have a fully functional (and more importantly, working)
Product
> > > > will call A.
> > > >
> > > > I want to extend this Product's capabilities so I wish to derive
> another
> > > > class from it, call it B.
> > > >
> > > > No problem,
> > > >
> > > > class B(A):
> > > >     .........
> > > >
> > > >
> > > > The question is, (I think the answer is no) is there a way to
inherit
> > > > (i.e. reuse common code and extend it) the manage_Add function and
the
> > > > dtml files from A???
> > > >
> > > > Thanks,
> > > >
> > > > DR
> > > >
> > > >
> > > >
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> >
>