[html-formfu] (catalyst + formfu + TT + mason) undef error - Can't use string ("") as a HASH ref while...

Benjamin Bellee bellee at webit.de
Fri Jan 18 16:47:49 GMT 2008


thank you!


> What version of HTML::FormFu are you using?
> If you upgraded from an earlier version, did you update the core template files?

updating the templates worked!

i've spend two days trying to find a fix....... :-/

anyway, big thanks!

mfg benjamin













Am Freitag, den 18.01.2008, 16:15 +0000 schrieb Carl Franks:
> On 18/01/2008, Benjamin Bellee <bellee at webit.de> wrote:
> > hello,
> >
> > im getting this error:
> >
> > snip-------------------------------
> > undef error - Can't use string ("") as a HASH ref while "strict refs" in
> > use at /usr/local/share/perl/5.8.8/HTML/FormFu/Util.pm line 302. Stack:
> > [/usr/local/share/perl/5.8.8/HTML/FormFu/Util.pm:302]
> > [/home/twist/ws/liekwoe-catalyst-2/root/formfu/start_form:1]
> > [/usr/local/lib/perl/5.8.8/Template/Document.pm:155]
> > [/usr/local/lib/perl/5.8.8/Template/Context.pm:345]
> > [/usr/local/lib/perl/5.8.8/Template/Context.pm:407]
> > [/home/twist/ws/liekwoe-catalyst-2/root/formfu/form:2]
> > [/usr/local/lib/perl/5.8.8/Template/Document.pm:155]
> > [/usr/local/lib/perl/5.8.8/Template/Context.pm:345]
> > [/usr/local/lib/perl/5.8.8/Template/Service.pm:94]
> > [/usr/local/lib/perl/5.8.8/Template.pm:68]
> > [/usr/local/share/perl/5.8.8/HTML/FormFu/base.pm:81]
> > [/usr/local/share/perl/5.8.8/HTML/FormFu/base.pm:20]
> > [/usr/local/share/perl/5.8.8/HTML/FormFu.pm:35]
> > [/usr/local/share/perl/5.8.8/HTML/Mason/Request.pm:1175]
> > [/home/twist/ws/liekwoe-catalyst-2/root/review/view:10]
> > snip---------------------------
> >
> > while trying to get formfu working with TT.
> > i'm using mason for the general HTML-templates and
> > (try to) use TT for the FormFu layout.
> >
> > i think i've followed the docu correctly, here is what i've done:
> >
> > 1. added this to the main project YAML:
> >
> > 'Controller::HTML::FormFu':
> >   constructor:
> >    render_method: tt
> >
> > 2. Im using Catalyst::Controller::HTML::FormFu,
> > so in the controller im writing:
> >
> > sub view : Chained('review') PathPart() CaptureArgs() : FormConfig
> > {
> >     my ( $self, $c) = @_;
> >     my $form : Stash;
> >     ....
> > ....
> > }
> >
> > 3. in my mason template im using:
> >
> > <%args>
> >     $form
> >     .....
> > </%args>
> >
> > .....
> >
> >     <% $form %>
> >
> > ......
> >
> > 4. i've done
> >
> >  script/myapp_create.pl HTML::FormFu
> >
> >
> >
> >
> > anything i've missed or forgot or doing wrong?
> 
> Everything looks ok (although I'm not familiar with mason templates).
> 
> Have you checked whether the form config you're using loads and
> renders ok without the catalyst / mason overhead?
> Try both:
>     perl -MHTML::FormFu -le 'print
> HTML::FormFu->new->load_config_file(q{path/to/config.yml})'
> and the same with the environment variable HTML_FORMFU_RENDER_METHOD = 'tt'
> 
> The fact that it's dying trying to build the tag attributes in the
> start_form template suggests there's something major wrong, such as
> the data structures not being built properly.
> 
> You can get a dump of the data at that point by editing the file
> HTML/FormFu/base.pm, and in the 'tt' sub, change these lines:
>     my %vars = (
>         self          => $args->{render_data},
>         process_attrs => \&process_attrs,
>     );
> 
> to this:
>     use Data::Dumper;
>     my %vars = (
>         self          => $args->{render_data},
>         process_attrs => \&process_attrs,
>         _dumper => sub { warn Data::Dumper::Dumper( \@_ ) },
>     );
> 
> And then at the top of the start_form template, add:
>     [% _dumper( self ) %]
> 
> What version of HTML::FormFu are you using?
> If you upgraded from an earlier version, did you update the core template files?
> 
> Cheers,
> Carl
> 
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