OT: Templating systems (was RE: [Catalyst] New default screen for Catalyst)

Sam Vilain sam at vilain.net
Tue Oct 25 06:33:42 CEST 2005

On Fri, 2005-10-21 at 08:25 -0400, John Siracusa wrote:
> As I replied to Bill off-list, I don't pass hashes or arrays of data to
> views, nor do I pass db objects.  I pass a form object, which is already
> populated with all the info I need.  (Rarely will the view also need the
> associated db object, but if it does I can pass that too.)  So I'm firmly in
> the "get the data up front" camp :)
> The flow is like this:
>     1. Instantiate and load the db object.
>     2. Initialize the form object with the db object.
>     3. Pass the form object to the view
>        (and maybe the db object too, but usually not.)
>     4. The view asks the form object to render its fields
>        (or pieces of fields, or passes the fields or form object
>        onto other sub-views, etc. etc.)

And avoiding all that mucking about is precisely why you'd want to use
an orthogonal storage system that doesn't intrude to your classes, and
supports demand loading.


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