Oops sorry @Elmer, I mistyped your name in the previous post and meant
@Ivano.

Also, @Elmo, I think you're suggestion was perfect! but it looked like T5
code.

Shows how little I know about T4 though. Sorry - I think your post was right
on if all those annotations and events were in T4.

-Luther




I meant my latest suggestion to be @Ivano

On Mon, Mar 9, 2009 at 12:44 PM, Luther Baker <lutherba...@gmail.com> wrote:

> That's a fine point to clarify.
>
> My underlying suggestion wasn't meant to imply which was the correct,
> well-defined event to handle. This is the second post ... no luck/help so
> far? ... So my suggestion is that, if all else fails, you can do MANUAL
> validation in, if nothing else, the MAIN event handler. Again, I didn't mean
> to focus on the actual event as much as the ability to MANUALLY validate and
> still send back field specific error messages.
>
> To Thiago's point, if taken too literally, yes, the example could be
> misleading. But it is a minor point. The login example on the Tapestry
> website happens to do AUTHENTICATION in the SUCCESS handler (oddly, as part
> of a validation example) - and so it is a nice concrete example to send
> around - but lest I am misunderstood, it is the general concept I'm trying
> to shed some light on ... not whether it is authentication or validation or
> onValidate or onSuccess.
>
> FWIW: since no one posted any response to the poster's original question
> (per the poster) and this is the 2nd time he's asked - I assumed that what
> he is doing must be out of the ordinary. I do nto know T4 and the fact that
> (per the user) 'null' values in the form skipped validation - made me wonder
> if the onValidate event was being skipped (as a part of T4).
>
> @Elmer: so conceptually, you could start by implementing this validation
> MANUALLY in the MAIN method and work backwards from there. IE: start with
> something you KNOW fires and keep moving that logic backwards until you get
> it into a true, validation handler if at all possible. It is an iterative,
> workable approach eh?
>
> But to Thiago's point, if T4 has specific validation events/handlers and
> those fire in all cases - by all means, implement this logic there (dont'
> need to start in the main event handler). You can still follow the general
> logic/structure of the authentication example I linked to.
>
> Please excuse the rambling here ... hope the clarification was helpful.
>
> -Luther
>
>
>
>
> On Mon, Mar 9, 2009 at 12:15 PM, Thiago H. de Paula Figueiredo <
> thiag...@gmail.com> wrote:
>
>> Em Mon, 09 Mar 2009 14:08:43 -0300, Luther Baker <lutherba...@gmail.com>
>> escreveu:
>>
>>  Oddly enough, it is NOT the validation handler I want to bring to your
>>> attention to (here on this validation.html page :) and again, obviously,
>>> this is Tapestry 5 - but notice how authentication is done in the SUCCESS
>>> handler.
>>>
>>
>> Authentication is not validation. They're different things. Authentication
>> is made at onSuccess() because it is only made after the form validation (ie
>> the values of login and password are valid for that field). And you should
>> do validation at onValidate().
>>
>> --
>> Thiago H. de Paula Figueiredo
>> Independent Java consultant, developer, and instructor
>> http://www.arsmachina.com.br/thiago
>>
>>
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