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# ABSTRACT: Toggle Directive for Validation Class Field Definitions
package Validation::Class::Directive::Toggle;
use strict;
use warnings;
use base 'Validation::Class::Directive';
use Validation::Class::Util;
our $VERSION = '7.900057'; # VERSION
has 'mixin' => 0;
has 'field' => 1;
has 'multi' => 0;
sub before_validation {
my ($self, $proto, $field, $param) = @_;
if (defined $field->{toggle}) {
my $stash = $proto->stash->{'directive.toggle'} ||= {};
# to be restored after validation
$stash->{$field->{name}}->{'required'} =
defined $field->{required} ? $field->{required} == 0 ? 0 : 1 : 0;
$field->{required} = 1 if ($field->{toggle} =~ /^(\+|1)$/);
$field->{required} = 0 if ($field->{toggle} =~ /^(\-|0)$/);
}
return $self;
}
sub after_validation {
my ($self, $proto, $field, $param) = @_;
if (defined $field->{toggle}) {
my $stash = $proto->stash->{'directive.toggle'} ||= {};
if (defined $stash->{$field->{name}}->{'required'}) {
# restore field state from stash after validation
$field->{required} = $stash->{$field->{name}}->{'required'};
delete $stash->{$field->{name}};
}
}
delete $field->{toggle} if exists $field->{toggle};
return $self;
}
sub normalize {
my ($self, $proto, $field, $param) = @_;
# on normalize, always remove the toggle directive
delete $field->{toggle} if exists $field->{toggle};
return $self;
}
1;
__END__
=pod
=head1 NAME
Validation::Class::Directive::Toggle - Toggle Directive for Validation Class Field Definitions
=head1 VERSION
version 7.900057
=head1 DESCRIPTION
Validation::Class::Directive::Toggle is a core validation class field directive
that is used internally to handle validation of per-validation-event
requirements.
=head1 AUTHOR
Al Newkirk <anewkirk@ana.io>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Al Newkirk.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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