[html-formfu] $_->render_data->{value} returns only the first value for a many_to_many relationship

[Carl Franks]

On 24/03/2008, Moritz Onken <onken at houseofdesign.de> wrote:
> Am 24.03.2008 um 13:51 schrieb Carl Franks:
>
> > On 24/03/2008, Moritz Onken <onken at houseofdesign.de> wrote:
>  >> Hi,
>  >>
>  >> I'm using $_->render_data->{value} to get a value of a field which
>  >> got
>  >> the data via $form->defaults_from_model.
>  >> If I try $_->render_data->{value} on a many_to_many relationship I
>  >> only get the first value but not all of them. The element type is
>  >> Select with multiple set to 1.
>  >> How can I get all (deflated) values?
>  >
>  > _Group.pm should probably override _Field.pm's handling of ARRAY
>  > values in _render_value()
>  >
>  > This has never been an issue, because the appropriate
>  > selected="selected" work is done in Select.pm's _prepare_attrs(), so
>  > $self->render_value->{value} has never been needed before.
>  >
>  > Carl
>
>
> thanks Carl,
>  but could you tell me a way how I can get all deflated values of such
>  an element?

deflation is done during _process_value(), so if both its `if (ARRAY)`
blocks are moved out into new, separate methods that _Group.pm can
override, you won't have to worry about that.

btw, I think _Group.pm will probably also need to override
process_value() (the non-private method)

Carl