lib/Graph/GEXF/Role/Viz/Shape.pm


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package Graph::GEXF::Role::Viz::Shape;

use Moose::Util::TypeConstraints;
use MooseX::Role::Parameterized;

enum EdgeShape => qw(solid doted dashed double);
enum NodeShape => qw(disc square triangle diamond);

parameter for => (
    is       => 'ro',
    required => 1,
);

role {
    my $p = shift;

    my ( $type, $default );

    $type = ucfirst( $p->for ) . 'Shape';

    if ( $p->for eq 'node' ) {
        $default = 'disc';
    }
    else {
        $default = 'solid';
    }

    has shape => (
        is      => 'rw',
        isa     => $type,
        default => $default,
    );
};

no Moose::Util::TypeConstraints;

1;