[Seaside] Collecting form input

[Sebastian Nozzi]

Ups, you're right. I misread (was thinking of temporary all the time).

Instance variables... well, that's an idea. Thanks!


2008/10/8 ryan <ryan at intgo.net>:
> Those instance variables, they are temporary variables.
> Instance variables are declared in the class declaration something like.
>
> WAComponent subclass: #addUserForm
>        instanceVariableNames: 'newName newSalutation'
>        classVariableNames: ''
>        poolDictionaries: ''
>        category: 'MyProject'
>
> -------------
> renderContentOn: html
> html
>     form: [
>        html textInput value: 'type name here';
>                 callback: [:name | newName := name].
>        html select list: salutations;
>                  callback: [:userSalutation| newSalutation := userSalutation ];
>                  labels: [:userSalutation | userSalutation asString].
>        html submitButton
>                   callback: [self addUserNamed: newName withSalutation: newSalutation];
>                   value: 'Add New User']
>
> Should work fine.
> You might be interested in looking at using something like Ramon Leon's
> SSForms available in his image that you can download from his blog (http://onsmalltalk.com/)
> or Magritte to help you build forms complete with validation.
>
>
> On Wed, 2008-10-08 at 10:28 +0200, Sebastian Nozzi wrote:
>> Hi Phillipe,
>>
>> thanks for your reply.
>>
>> > You could also use ValueHolders but that gets quite ugly. I'd use
>> > instance variables and split it up.
>>
>> I'll look into ValueHolders (never heard of them; but I'm a newbie... so...)
>>
>> What do you mean by the latter? Because it was with instance variables
>> that I first tried, but as I said it didn't work:
>>
>> | newName newSalutation |
>> html
>>        form: [html textInput value: 'type name here';
>>                         callback: [:name | newName := name].
>>                 html select list: salutations;
>>                         callback: [:userSalutation| newSalutation :=
>> userSalutation ];
>>                         labels: [:userSalutation | userSalutation asString].
>>                 html submitButton
>>                         callback: [self addUserNamed: newName
>> withSalutation: newSalutation];
>>                          value: 'Add New User']
>>
>> When the callback in the submitButton was called, "newName" and
>> "newSalutation" were nil.
>>
>> What I was trying to do is to avoid creating a temporary user
>> instance, and only create it when the user submits the data (the user
>> could instead opt to go back).
>>
>> But I think I might be overcomplicating things and I might just create
>> the temporary instance, since I'm creating a Dictionary anyway...
>>
>> Greetings,
>>
>> Sebastian
>> _______________________________________________
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>> seaside at lists.squeakfoundation.org
>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
>