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CFRANKS / HTML-FormFu-2.07 / lib / HTML / FormFu / Role / ContainsElementsSharedWithField.pm 

            

              
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use strict;
package HTML::FormFu::Role::ContainsElementsSharedWithField;
# ABSTRACT: Role for constraints on elements and fields
$HTML::FormFu::Role::ContainsElementsSharedWithField::VERSION = '2.07';
use Moose::Role;
use HTML::FormFu::Util qw(
    require_class
    _merge_hashes
);
use Carp qw( croak );
sub get_error {
    my $self = shift;
    return if !$self->form->submitted;
    my $c = $self->get_errors(@_);
    return @$c ? $c->[0] : ();
}
sub _require_constraint {
    my ( $self, $type, $arg ) = @_;
    croak 'required arguments: $self, $type, \%options' if @_ != 3;
    eval { my %x = %$arg };
    croak "options argument must be hash-ref" if $@;
    my $abs = $type =~ s/^\+//;
    my $not = 0;
    if ( $type =~ /^Not_(\w+)$/i ) {
        $type = $1;
        $not  = 1;
    }
    my $class = $type;
    if ( !$abs ) {
        $class = "HTML::FormFu::Constraint::$class";
    }
    $type =~ s/^\+//;
    require_class($class);
    my $constraint = $class->new(
        {   type   => $type,
            not    => $not,
            parent => $self,
        } );
    # handle default_args
    my $parent = $self->parent;
    if ( exists $parent->default_args->{constraints}{$type} ) {
        $arg = _merge_hashes( $parent->default_args->{constraints}{$type}, $arg,
        );
    }
    $constraint->populate($arg);
    return $constraint;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
HTML::FormFu::Role::ContainsElementsSharedWithField - Role for constraints on elements and fields
=head1 VERSION
version 2.07
=head1 AUTHOR
Carl Franks <cpan@fireartist.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2018 by Carl Franks.
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