On 4/20/06, Dave Howorth <[EMAIL PROTECTED]> wrote:
> >
> > Controller -- Handles apache request controls dictates flow.
>
> Yup, and the Request is the instance data for a particular request.
Controller and Requet would be diffierent *types* or same type but
request is an instance of the controller? What is the benefit of
differentiating between the two? Perhaps it would make it easier to
hanle CGI and Modperl apps with the same controller?
> > Presentation -- Presents the web interface to the model. Defines
> > actions, the uri base for this model, and form inputs (?). Sets
> > template variables. Delegates data manipulation to model.
>
> Yup. Forms are a bit awkward (as usual :) The validation needs to be
> done by the Model (because it's to do with data integrity in the model
> and because you might want to carry out the same operation in a
> command-line script). But the form itself must be part of the View (it's
> HTML, for starters). That separation is another thing I need to do.
Yeah, l like using AsForm from the templates. However, I still cannot
get away from asking the model what type of input box a field needs.
I mean, it is the one that processes it and all so it has to know the
names of the inputs and what type of data to expect. And for select
boxes, if those were made in a template from raw data, what a mess the
templates would be. I tried it and said "Hell no" after 5 minutes.
Now in AsForm you can say
$sel_box = $c->to_field( $col => 'select', {items => $data_struct ,
selected => $id_or_data_struct});
and most of the common data structures -- cdbi objects, single array,
single hash, array of arrays (think selectall_arrayref) , array of
hashes are handled fairly well.
> Yup. My templates have become more complicated as I've built my
> application and I think that was a mistake. They should be as simple as
> possible - simple for the user and the designer. Being able to take code
> out of the templates is one factor in where I want to go with my
> Presentation & Model separation as well.
Can you give an example of this ?
cheers
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