Nate Lowrie wrote:
> On 4/3/07, Henning Hraban Ramm <[EMAIL PROTECTED]> wrote:
>> Dear wizards,
>> I'm a bit stuck with my application design:
>> It's a local client for a web application, an exporter that writes web
>> articles to InDesign files.
>> It pulls the data read-only as JSON from a web service - the source database
>> is only accessable on the web server.
>> The web service provides not only the article data but also structural stuff
>> like issues and categories.
>> My dabo GUI should fill some dropboxes with that structural data to select
>> from.
>>
>> So I've
>> - a connection (https with session ID)
>> - a "bizobj" (data conversion, sorting, filtering)
>> - a dabo GUI
>> Looks like 3 tiers, doesn't it?
>
> See Ed's comment.
>
>> So I'd like to know if I can use dabo's grace also for the first two tiers
>> in any way, or only for the GUI.
>> I've still no experience with dabo, so I can't guess which classes would be
>> general enough to inherit from.
>>
>> I *don't* need help with JSON conversion or session handling, just hints
>> which dabo classes would be suitable ancestors. Or what I should construct
>> in an other way.
>
> As Ed said, you would have to override the generic bizobject methods
> in order to do anything with the JSON stuff.
>
> What I would do in this case is NOT to use the Biz tier. Only use the
> UI tier. It functions on it's own and as a GUI toolkit is probably
> the best Python has to offer right now. You won't be able to use the
> DataSource stuff, but your backend should work fine.
Note that you *can* use data binding ("the DataSource stuff") when only
using Dabo's UI tier. What you do is set the DataSource to "form" and
DataField to an attribute of the form that you want the control to
modify. Then at least you have some form mediation...
--
pkm ~ http://paulmcnett.com
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