[html-formfu] defaults_from_model not filling a nested Checkboxgroup

[Carl Franks]

On 16/12/2007, Jonas Alves <jonas.alves at gmail.com> wrote:
> I can't make it work. The  Checkboxgroup is not being populated.
> Element/_Group::process is not being called at all.

Checkboxgroup doesn't override process(), so if _Group::process()
isn't being called, it's likely you're not calling $form->process()
Are you using Catalyst-Controller-HTML-FormFu ?

> This is what I have in the config file:
>
>           - type: Checkboxgroup
>             name: area_rel
>             db:
>               model: DBIC::Area
>               label_col: name
>             constraints: [ AutoSet ]
>
> The rels in DBIC::Campanha model:
>
> __PACKAGE__->has_many(
>     area_rel => 'SMS::Schema::Result::AreaCampanha',
> 'campanha_id',
> );
> __PACKAGE__->many_to_many(areas => 'area_rel', 'area_id',);
>
> # in my app:
>
> $form->defaults_from_model( $campanha_row );
>
> If I change the rel in the config to "name: areas" instead of "name:
> area_rel" I got this error:

It should be "name: areas", to match the name of the many_to_many relationship

> [error] DBIx::Class::Relationship::ManyToMany::__ANON__():
> search_related: result source 'AreaCampanha' has no such relationship
> area_id at /Library/Perl/5.8.6/HTML/FormFu/Model/DBIC.pm
> line 186

__PACKAGE__->many_to_many(areas => 'area_rel', 'area_id',);
is wrong, the 3rd argument 'area_id' should be the name of the
relationship in the link table that points to the area table.
See http://search.cpan.org/~ash/DBIx-Class-0.08008/lib/DBIx/Class/Relationship.pm#many_to_many

Carl