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package Reaction::UI::ViewPort::Field::ChooseOne;
use Reaction::Class;
use URI;
use Scalar::Util 'blessed';
class ChooseOne is 'Reaction::UI::ViewPort::Field', which {
has '+layout' => (default => 'select');
has valid_values => (isa => 'ArrayRef', is => 'ro', lazy_build => 1);
has value_choices => (isa => 'ArrayRef', is => 'ro', lazy_build => 1);
has value_map_method => (
isa => 'Str', is => 'ro', required => 1, default => sub { 'display_name' },
);
around value => sub {
my $orig = shift;
my $self = shift;
if (@_) {
my $value = shift;
if (defined $value) {
if (!ref $value) {
$value = $self->str_to_ident($value);
}
my $checked = $self->attribute->check_valid_value($self->action, $value);
confess "${value} is not a valid value" unless defined($checked);
$value = $checked;
}
$orig->($self, $value);
} else {
$orig->($self);
}
};
implements build_valid_values => as {
my $self = shift;
return [ $self->attribute->all_valid_values($self->action) ];
};
implements build_value_choices => sub{
my $self = shift;
my @pairs = map{{value => $self->obj_to_str($_), name => $self->obj_to_name($_)}}
@{ $self->valid_values };
return [ sort { $a->{name} cmp $b->{name} } @pairs ];
};
implements is_current_value => as {
my ($self, $check_value) = @_;
my $our_value = $self->value;
return unless ref($our_value);
$check_value = $self->obj_to_str($check_value) if ref($check_value);
return $self->obj_to_str($our_value) eq $check_value;
};
implements str_to_ident => as {
my ($self, $str) = @_;
my $u = URI->new('','http');
$u->query($str);
return { $u->query_form };
};
implements obj_to_str => as {
my ($self, $obj) = @_;
return $obj unless ref($obj);
confess "${obj} not an object" unless blessed($obj);
my $ident = $obj->ident_condition;
my $u = URI->new('', 'http');
$u->query_form(%$ident);
return $u->query;
};
implements obj_to_name => as {
my ($self, $obj) = @_;
return $obj unless ref($obj);
confess "${obj} not an object" unless blessed($obj);
my $meth = $self->value_map_method;
return $obj->$meth;
};
};
1;
=head1 NAME
Reaction::UI::ViewPort::Field::ChooseOne
=head1 DESCRIPTION
=head1 METHODS
=head2 is_current_value
=head2 value
=head2 valid_values
=head2 valid_value_names
=head2 value_to_name_map
=head2 name_to_value_map
=head2 str_to_ident
=head2 obj_to_str
=head1 SEE ALSO
=head2 L<Reaction::UI::ViewPort::Field>
=head1 AUTHORS
See L<Reaction::Class> for authors.
=head1 LICENSE
See L<Reaction::Class> for the license.
=cut
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