Reimplement LT::Set::Polyline as a child class of LT::Set::Chain

[perl/modules/LaTeX-TikZ.git] / lib / LaTeX / TikZ / Set / Polyline.pm

diff --git a/lib/LaTeX/TikZ/Set/Polyline.pm b/lib/LaTeX/TikZ/Set/Polyline.pm
index 76656afc88c4c89ac4e0234f458b63b49f2f86b6..e8e0ee0fe96e97c688e77a7d734c3305642583cf 100644 (file)
--- a/lib/LaTeX/TikZ/Set/Polyline.pm
+++ b/lib/LaTeX/TikZ/Set/Polyline.pm
@@ -5,24 +5,31 @@ use warnings;
 
 =head1 NAME
 
-LaTeX::TikZ::Set::Polyline - A set object representing a line.
+LaTeX::TikZ::Set::Polyline - A set object representing a possibly closed path composed of contiguous lines.
 
 =head1 VERSION
 
-Version 0.01
+Version 0.02
 
 =cut
 
-our $VERSION = '0.01';
+our $VERSION = '0.02';
 
 use LaTeX::TikZ::Set::Point;
 
+use LaTeX::TikZ::Interface;
 use LaTeX::TikZ::Functor;
 
 use Any::Moose;
 use Any::Moose 'Util::TypeConstraints';
 
-with 'LaTeX::TikZ::Set::Op';
+=head1 RELATIONSHIPS
+
+This class is a subclass of L<LaTeX::TikZ::Set::Chain>, and as such inherits its C<path> method.
+
+=cut
+
+extends 'LaTeX::TikZ::Set::Chain';
 
 subtype 'LaTeX::TikZ::Set::Polyline::Vertices'
      => as 'ArrayRef[LaTeX::TikZ::Set::Point]'
@@ -33,7 +40,15 @@ coerce 'LaTeX::TikZ::Set::Polyline::Vertices'
     => from 'ArrayRef[Any]'
     => via { [ map LaTeX::TikZ::Set::Point->new(point => $_), @$_ ] };
 
-has '_points' => (
+=head1 ATTRIBUTES
+
+=head2 C<points>
+
+The list of L<LaTeX::TikZ::Set::Point> objects (or scalars that coerce into such objects) that make the successive vertices of the path.
+
+=cut
+
+has '+_kids' => (
  is       => 'ro',
  isa      => 'LaTeX::TikZ::Set::Polyline::Vertices',
  init_arg => 'points',
@@ -41,45 +56,39 @@ has '_points' => (
  coerce   => 1,
 );
 
-sub points { @{$_[0]->_points} }
-
-has 'closed' => (
- is      => 'ro',
- isa     => 'Bool',
- default => 0,
-);
-
-sub path {
- my $set = shift;
+sub points { @{$_[0]->_kids} }
 
- join ' -- ', map($_->path(@_), $set->points),
-              ($set->closed ? 'cycle' : ());
-}
+around 'BUILDARGS' => sub {
+ my ($orig, $class, %args) = @_;
 
-use LaTeX::TikZ::Interface polyline => sub {
- shift;
-
- __PACKAGE__->new(points => \@_);
+ $class->$orig(
+  %args,
+  connector => '--',
+ );
 };
 
-use LaTeX::TikZ::Interface closed_polyline => sub {
- shift;
+LaTeX::TikZ::Interface->register(
+ polyline => sub {
+  shift;
 
- __PACKAGE__->new(points => \@_, closed => 1);
-};
+  __PACKAGE__->new(points => \@_);
+ },
+ closed_polyline => sub {
+  shift;
 
-LaTeX::TikZ::Functor->default_rule(
- (__PACKAGE__) => sub {
-  my ($functor, $set, @args) = @_;
-  $set->new(
-   points => [ map $_->$functor(@args), $set->points ],
-   closed => $set->closed,
+  __PACKAGE__->new(
+   points => \@_,
+   cycle  => 1
   );
- }
+ },
 );
 
 __PACKAGE__->meta->make_immutable;
 
+=head1 SEE ALSO
+
+L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Chain>.
+
 =head1 AUTHOR
 
 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.