package HTML::FormFu::Constraint::Callback;
use strict;
our $VERSION = '2.03'; # VERSION
use Moose;
use MooseX::Attribute::FormFuChained;
extends 'HTML::FormFu::Constraint';
has callback => ( is => 'rw', traits => ['FormFuChained'] );
sub constrain_value {
my ( $self, $value, $params ) = @_;
my $callback = $self->callback || sub {1};
## no critic (ProhibitNoStrict);
no strict 'refs';
my $ok = $callback->( $value, $params );
return $ok;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
HTML::FormFu::Constraint::Callback - Code Callback Constraint
=head1 VERSION
version 2.03
=head1 SYNOPSIS
$field->constraint({
type => 'Callback',
callback => \&foo,
});
---
elements:
- type: Text
name: foo
constraints:
- type: Callback
callback: "main::my_constraint"
sub foo {
my ( $value, $params ) = @_;
# return true or false
}
=head1 DESCRIPTION
The first argument passed to the callback is the submitted value for the
associated field. The second argument passed to the callback is a hashref of
name/value pairs for all input fields.
This constraint doesn't honour the C<not()> value.
=head1 METHODS
=head2 callback
Arguments: \&code-reference
Arguments: "subroutine-name"
=head1 SEE ALSO
Is a sub-class of, and inherits methods from L<HTML::FormFu::Constraint>
L<HTML::FormFu>
=head1 AUTHOR
Carl Franks C<cfranks@cpan.org>
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut