package Tree::Visualize::ASCII::Layouts::Binary::Diagonal;
use strict;
use warnings;
use Tree::Visualize::Exceptions;
use Tree::Visualize::ASCII::BoundingBox;
use Tree::Visualize::Node::Factory;
use Tree::Visualize::Connector::Factory;
our $VERSION = '0.01';
use base qw(Tree::Visualize::ASCII::Layouts::Binary);
sub drawNode {
my ($self, $tree) = @_;
my $node = Tree::Visualize::Node::Factory->new()->get(output => 'ASCII', node_type => 'Parens', args => [ $tree ]);
return Tree::Visualize::ASCII::BoundingBox->new($node->draw());
}
sub drawConnections {
my ($self, $current, $left, $right) = @_;
# prepare the connections
my ($left_connection, $right_connection) = (undef, undef);
my $conn_factory = Tree::Visualize::Connector::Factory->new();
# get the left connection if we need it
$left_connection = $conn_factory->get(
output => 'ASCII',
layout => 'Diagonal',
connector_type => 'LeftRightConnector'
)->drawLeftConnector($current, $left, $right)
if defined $left;
# get the right connection if we need it
$right_connection = $conn_factory->get(
output => 'ASCII',
layout => 'Diagonal',
connector_type => 'LeftRightConnector'
)->drawRightConnector($current, $right, $left)
if defined $right;
# return our connections
return ($left_connection, $right_connection);
}
sub assembleDrawing {
my ($self, $current, $children, $connections) = @_;
my ($left, $right) = @{$children};
my ($left_connection, $right_connection) = @{$connections};
if (defined($right)) {
$current->pasteRight($right_connection);
}
if (defined($left)) {
$current->pasteBottom($left_connection)
->pasteBottom($left);
}
if (defined($right)) {
$current->pasteRight($right);
}
return $current;
}
1;
__END__
=head1 NAME
Tree::Visualize::ASCII::Layouts::Binary::Diagonal - A Diagonal Tree::Binary and Tree::Binary::Search layout
=head1 SYNOPSIS
use Tree::Visualize::ASCII::Layouts::Binary::Diagonal;
=head1 DESCRIPTION
=head1 METHODS
=over 4
=item B<assembleDrawing>
=item B<drawConnections>
=item B<drawNode>
=back
=head1 BUGS
None that I am aware of. Of course, if you find a bug, let me know, and I will be sure to fix it.
=head1 CODE COVERAGE
See the B<CODE COVERAGE> section in L<Tree::Visualize> for more inforamtion.
=head1 SEE ALSO
=head1 AUTHOR
stevan little, E<lt>stevan@iinteractive.comE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2004 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut