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Date: Tue, 29 Jul 2003 19:22:23 -0600 (CST)
Subject: Re: [RT] Woody and round trip of parameters.
From: "Antonio Gallardo" <agallardo@agsoftware.dnsalias.com>
To: <dev@cocoon.apache.org>
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Bruno Dumon dijo:
> On Tue, 2003-07-29 at 15:07, Antonio Gallardo wrote:
>> Hi:
>>
>> I had a concern about how to manage parameters that are flying between
>> the server and the client.
>>
>> It will worth if we have an attribute in the form that define when we
>> are waiting or not for a parameter back from the user?
>
> do you mean something like read-only fields?

Yep, read-only fields. As a read-only field we does not need to send it
back to the server since the fields are no persistent at all.

>
>>
>> I know woody has some formulas, I was not full review woody. :)
>>
>> I was thinking in some type of "formulas" or "equations" that we can
>> send to woody and let woody calculate them.
>
> sending formulas to woody? Me understand not :-)
Aha. For example in the invoice example (below) some fields are formulas
(not persistent):

Amount = Quantity * Unit Price;
Subtotal = Sum(Amount);
Total = Subtotal + shipping;

As this kind of info is more related to the form than to the model. I
think woody can handle this.

What you think?

Best Regards,

Antonio Gallardo


>
>>  ie: a tipical invoice
>> (master-detail):
>>
>> Date: 29-jul-2003    N� 2300
>> Client: Cocoon
>>
>> -------------------------------------------
>> Quantity Item   Unit Price          Amount
>> -------------------------------------------
>> 2        pen        $1.00             2.00
>> 1        pencil     $0.50             0.50
>> -------------------------------------------
>>                          Subtotal:    2.50
>>                          Shipping:    1.00
>>                          Total:       3.50
>>