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package HTML::FormFu::Element::Multi;
$HTML::FormFu::Element::Multi::VERSION = '2.01';
use Moose;
extends 'HTML::FormFu::Element::Block';
with
'HTML::FormFu::Role::Element::Field',
'HTML::FormFu::Role::Element::SingleValueField';
use HTML::FormFu::Util
qw( append_xml_attribute xml_escape process_attrs _parse_args _get_elements _filter_components );
use Clone ();
after BUILD => sub {
my $self = shift;
$self->comment_attributes( {} );
$self->container_attributes( {} );
$self->label_attributes( {} );
$self->layout_field_filename('field_layout_multi_field');
$self->label_tag('label');
return;
};
sub get_fields {
my $self = shift;
my %args = _parse_args(@_);
my $f = $self->SUPER::get_fields(@_);
unshift @$f, $self;
return _get_elements( \%args, $f );
}
sub get_deflators {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_deflators };
push @x, map { @{ $_->get_deflators(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_filters {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_filters };
push @x, map { @{ $_->get_filters(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_constraints {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_constraints };
push @x, map { @{ $_->get_constraints(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_inflators {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_inflators };
push @x, map { @{ $_->get_inflators(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_validators {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_validators };
push @x, map { @{ $_->get_validators(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_transformers {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_transformers };
push @x, map { @{ $_->get_transformers(@_) } } @{ $self->_elements };
return _filter_components( \%args, \@x );
}
sub get_errors {
my $self = shift;
my %args = _parse_args(@_);
my @x = @{ $self->_errors };
push @x, map { @{ $_->get_errors(@_) } } @{ $self->_elements };
_filter_components( \%args, \@x );
if ( !$args{forced} ) {
@x = grep { !$_->forced } @x;
}
return \@x;
}
sub clear_errors {
my ($self) = @_;
$self->_errors( [] );
map { $_->clear_errors } @{ $self->_elements };
return;
}
sub render_data {
my $self = shift;
my $render = $self->SUPER::render_data(@_);
map {
delete $_->{container_tag}
} @{ $render->{elements} || [] };
return $render;
}
sub render_data_non_recursive {
my $self = shift;
my $render = $self->SUPER::render_data_non_recursive(@_);
append_xml_attribute( $render->{attributes}, 'class', 'elements' );
return $render;
}
sub _parse_layout_field {
my ( $self, $render ) = @_;
my @html = (
sprintf "<span%s>", process_attrs( $render->{attributes} ),
);
for my $elem ( @{ $self->get_elements } ) {
my $render = $elem->render_data;
next if !defined $render;
$render->{container_tag} = undef;
push @html, $elem->string( { render_data => $render, layout => $elem->multi_layout } );
}
push @html, "</span>";
return join "\n", @html;
}
sub clone {
my $self = shift;
my $clone = $self->SUPER::clone(@_);
$clone->comment_attributes( Clone::clone( $self->comment_attributes ) );
$clone->container_attributes( Clone::clone( $self->container_attributes ) );
$clone->label_attributes( Clone::clone( $self->label_attributes ) );
return $clone;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
HTML::FormFu::Element::Multi - Combine multiple fields in a single element
=head1 SYNOPSIS
my $e = $form->element( Multi => 'foo' );
=head1 DESCRIPTION
Combine multiple form fields in a single logical element.
Non-field elements cannot be added as children of the Multi element.
=head1 RENDERING NOTES
If the Multi element is rendered with the default 'string' render-method,
all child fields will be rendered with the 'string' render-method, regardless
of their L<HTML::FormFu/render_method> value.
Likewise, if the Multi element is rendered with the 'tt' render-method,
all child fields will be rendered with the 'tt' render-method, regardless of
their L<HTML::FormFu/render_method> value.
=head1 SEE ALSO
Is a sub-class of, and inherits methods from
L<HTML::FormFu::Role::Element::Field>,
L<HTML::FormFu::Element>
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
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