[html-formfu] Best practice for multiple same forms

[Moritz Onken]

Perfect Carl,
that's exactly what I was looking for.
populate_from_formfu will insert all the records I guess?!

Thanks again!

Am Freitag, den 23.11.2007, 15:01 +0000 schrieb Carl Franks:
> On 23/11/2007, Moritz Onken <onken at houseofdesign.de> wrote:
> > Hi,
> >
> > I need a form which is made up of many forms of same type (same yml
> > file). Like phpmyadmin, where you can submit more than one entry on a
> > page.
> >
> > Is there a nice way to create and validate these forms easily? Maybe the
> > nested_name stuff could help, but I have no idea yet how to implement
> > this.
> 
> Do you need a single form, containing lots for repeated parts.
> Or multiple similar forms on a single page?
> 
> If it's a single form with repeated similar parts, you could use the
> new Repeatable block element.
> It's use might still change, while I'm working on the new Model/DBIC
> feature - so you probably want to hold off until it's merged back into
> trunk - it'll hopefully be within the next week or two.
> 
> If you want to look at it just now, check out the version at
> branches/HTML-FormFu-Model-DBIC/lib/HTML/FormFu/Model/DBIC.pm
> as the one in trunk is out of date.
> 
> The way you use it (at the moment) is:
> 
>     elements:
>       - type: Repeatable
>         increment_field_names: 1
>         query_param: count
>         elements:
>           - name: foo
>           - name: bar
>       - type: Hidden
>         name: count
>       - type: Submit
> 
> Then, if you call repeat() on the block, with the number of
> repetitions you want, it'll render that number of times.
> 
>     $form->get_all_element({ type => 'Repeatable' })->count( 2 );
> 
> and the form will render something like this:
> 
> <form>
> <div>
>   <input name="foo_1" type="text" />
>   <input name="bar_1" type="text" />
> </div>
> <div>
>   <input name="foo_2" type="text" />
>   <input name="bar_2" type="text" />
> </div>
> <input name="count" type="hidden" />
> <input type="submit" />
> </form>
> 
> Notice that setting increment_field_names(1) causes a counter to be
> appended to the field names.
> 
> I also set query_param() to the name of a Hidden field outside of the
> repeatable block.
> After calling
>     $element->count( 2 );
> you should also then set the Hidden field's default value to the same number:
>     $form->default_values({ count => 2 });
> This counter will then be sent back by the browser, and then during
> $form->process(), this counter is automatically used to call
> $element->count() for you, setting up the correct number of fields, so
> that constraints, etc will be correctly called.
> 
> (I don't think, though, that constraints are working quite right yet,
> which is why it's probably best to hold off for now).
> 
> Then, when you want to the the submitted values, you could iterate
> over the fields, and use $field->original_name() to get hold of the
> field name without the "_1" counter on the end.
> 
>     my $repeatable = $form->get_all_element({ type => 'Repeatable' });
> 
>     for my $field ( @{ $repeatable->get_fields } ) {
>         my $name = $field->original_name;
>         my $value = $form->param( $name );
>     }
> 
> Is this the kind of thing you're looking for?
> 
> Carl
> 
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