[Seaside] Design Pattern For Accessing Model from View/Controller?
Philippe Marschall
philippe.marschall at gmail.com
Fri Aug 31 19:25:19 UTC 2007
2007/8/29, Conrad Taylor <conradwt at gmail.com>:
> Hi, is there a better way than having accessors on the view? If so, please
> explain.
That depends on your requirements. In general accessors are fine
unless you have special requirements or believe that accessors break
encapsulation.
Cheers
Philippe
> Thanks,
>
> -Conrad
>
>
> On 8/29/07, Philippe Marschall <philippe.marschall at gmail.com > wrote:
> > 2007/8/29, Conrad Taylor < conradwt at gmail.com>:
> > > Hi Philipee, thanks for responding to my post. For example, in
> Shaffer's
> > > tutorial, he did something similar to the following:
> > >
> > >
> > > WAComponent subclass: #PersonalInformationView
> > >
> > >
> > > model
> > > ^model
> > >
> > > model
> > > model := anObject
> > >
> > > WAComponent subclass: #AddressBook
> > >
> > > edit: aPerson
> > > |view|
> > > view := PersonalInformationView new.
> > > view model: aPerson
> > > self call: view.
> > >
> > >
> > > Thus, I take it that one needs to have accessors on the view if you're
> > > wanting to modify an instance of a model.
> >
> > Not necessarily. It doesn't really matter where the view gets the
> > model from but accessors are probably the most common way.
> >
> > > Now, each renderContentOn:
> > > represents a single view.
> >
> > Each instance of a component class represents a single view.
> >
> > Cheers
> > Philippe
> >
> > > -Conrad
> > >
> > >
> > > On 8/29/07, Philippe Marschall <philippe.marschall at gmail.com > wrote:
> > >
> > >
> > > >
> > > > 2007/8/29, Conrad Taylor < conradwt at gmail.com>:
> > > > > Hi, I have created a subclass of WAComponent. Also, I have a class
> that
> > > > > represents a model and is a subclass of Object. Thus, I was
> wondering,
> > > > > what's the best way to connect the my model to my component? BTW, I
> > > have
> > > > > read the C. David Shaffer's tutorial, "Interlude: Cleaning up the
> > > > > PersonalInformationView" and I'm just trying to see what the best
> > > approach
> > > > > for this. Well, thanks in advance.
> > > >
> > > > In general the view components directly reference the model, e.g. from
> > > > an instance variable.
> > > >
> > > > Cheers
> > > > Philippe
> > > >
> > > > > -Conrad
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
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