package LaTeX::TikZ::Set::Sequence;
use strict;
use warnings;
=head1 NAME
LaTeX::TikZ::Set::Sequence - A set object grouping a sequence of objects.
=head1 VERSION
Version 0.03
=cut
our $VERSION = '0.03';
use List::Util ();
use LaTeX::TikZ::Scope;
use LaTeX::TikZ::Interface;
use LaTeX::TikZ::Functor;
use Mouse;
use Mouse::Util::TypeConstraints qw<subtype as where find_type_constraint>;
=head1 RELATIONSHIPS
This class consumes the L<LaTeX::TikZ::Set> and L<LaTeX::TikZ::Set::Container> roles, and as such implements the L</draw>, L</kids> and L</add> methods.
=cut
with qw<
LaTeX::TikZ::Set
LaTeX::TikZ::Set::Container
>;
subtype 'LaTeX::TikZ::Set::Sequence::Elements'
=> as 'Object'
=> where {
$_->does('LaTeX::TikZ::Set::Path')
or $_->isa('LaTeX::TikZ::Set::Sequence')
};
=head1 ATTRIBUTES
=head2 C<kids>
The L<LaTeX::TikZ::Set::Path> or L<LaTeX::TikZ::Set::Sequence> objects that from the sequence.
=cut
has '_kids' => (
is => 'ro',
isa => 'Maybe[ArrayRef[LaTeX::TikZ::Set::Sequence::Elements]]',
init_arg => 'kids',
default => sub { [ ] },
);
sub kids { @{$_[0]->_kids} }
=head1 METHODS
=head2 C<add>
=cut
my $ltsse_tc = find_type_constraint('LaTeX::TikZ::Set::Sequence::Elements');
sub add {
my $set = shift;
$ltsse_tc->assert_valid($_) for @_;
push @{$set->_kids}, @_;
$set;
}
=head2 C<draw>
=cut
sub draw {
my $set = shift;
my @kids = $set->kids;
return [ ] unless @kids;
List::Util::reduce { LaTeX::TikZ::Scope::fold($a, $b) }
map $_->draw(@_),
@kids;
}
LaTeX::TikZ::Interface->register(
seq => sub {
shift;
__PACKAGE__->new(kids => \@_);
},
);
LaTeX::TikZ::Functor->default_rule(
(__PACKAGE__) => sub {
my ($functor, $set, @args) = @_;
$set->new(kids => [ map $_->$functor(@args), $set->kids ])
}
);
__PACKAGE__->meta->make_immutable;
=head1 SEE ALSO
L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Path>, L<LaTeX::TikZ::Set::Container>.
=head1 AUTHOR
Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
You can contact me by mail or on C<irc.perl.org> (vincent).
=head1 BUGS
Please report any bugs or feature requests to C<bug-latex-tikz at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=LaTeX-TikZ>.
I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc LaTeX::TikZ
=head1 COPYRIGHT & LICENSE
Copyright 2010,2011,2012,2013,2014,2015 Vincent Pit, all rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
=cut
1; # End of LaTeX::TikZ::Set::Sequence