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package HTML::FormHandler::Field::Display;
# ABSTRACT: display only field
use Moose;
extends 'HTML::FormHandler::Field::NoValue';
use namespace::autoclean;
has 'html' => ( is => 'rw', isa => 'Str', builder => 'build_html', lazy => 1 );
sub build_html {''}
has 'set_html' => ( isa => 'Str', is => 'ro');
sub _set_html_meth {
my $self = shift;
return $self->set_html if $self->set_html;
my $name = $self->full_name;
$name =~ s/\./_/g;
$name =~ s/_\d+_/_/g;
return 'html_' . $name;
}
sub _can_form_html {
my $self = shift;
my $set_html = $self->_set_html_meth;
return
unless $self->form &&
$set_html &&
$self->form->can( $set_html );
return $set_html;
}
sub _form_html {
my $self = shift;
return unless (my $meth = $self->_can_form_html);
if( $self->form->meta->has_attribute( $meth ) ) {
return $self->form->$meth;
}
else {
return $self->form->$meth($self);
}
}
sub render {
my $self = shift;
if ( my $meth = $self->_can_form_html ) {
return $self->form->$meth( $self );
}
elsif ( $self->html ) {
return $self->html;
}
return '';
}
sub _result_from_object {
my ( $self, $result, $value ) = @_;
$self->_set_result($result);
$self->value($value);
$result->_set_field_def($self);
return $result;
}
after 'clear_data' => sub {
my $self = shift;
$self->clear_value;
};
__PACKAGE__->meta->make_immutable;
use namespace::autoclean;
1;
__END__
=pod
=head1 NAME
HTML::FormHandler::Field::Display - display only field
=head1 VERSION
version 0.40013
=head1 SYNOPSIS
This class can be used for fields that are display only. It will
render the value returned by a form's 'html_<field_name>' method,
or the field's 'html' attribute.
has_field 'explanation' => ( type => 'Display',
html => '<p>This is an explanation...</p>' );
or in a form:
has_field 'explanation' => ( type => 'Display' );
sub html_explanation {
my ( $self, $field ) = @_;
if( $self->something ) {
return '<p>This type of explanation...</p>';
}
else {
return '<p>Another type of explanation...</p>';
}
}
#----
has_field 'username' => ( type => 'Display' );
sub html_username {
my ( $self, $field ) = @_;
return '<div><b>User: </b>' . $field->value . '</div>';
}
or set the name of the rendering method:
has_field 'explanation' => ( type => 'Display', set_html => 'my_explanation' );
sub my_explanation {
....
}
You can also supply an 'html' method with a trait or a custom field. See examples
in t/field_traits.t and t/xt/display.t of the distribution.
=head1 AUTHOR
FormHandler Contributors - see HTML::FormHandler
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Gerda Shank.
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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