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1 | package TreeOfTexts::Controller::Stemmagraph; |
2 | use Moose; |
3 | use namespace::autoclean; |
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4 | use File::Temp; |
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5 | use Text::Tradition::Collation; |
6 | use Text::Tradition::Stemma; |
7 | |
8 | BEGIN { extends 'Catalyst::Controller' } |
9 | |
10 | # |
11 | # Sets the actions in this controller to be registered with no prefix |
12 | # so they function identically to actions created in MyApp.pm |
13 | # |
14 | __PACKAGE__->config(namespace => ''); |
15 | |
16 | =head1 NAME |
17 | |
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18 | TreeOfTexts::Controller::Stemmagraph - Simple controller for stemma display |
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19 | |
20 | =head1 DESCRIPTION |
21 | |
22 | [enter your description here] |
23 | |
24 | =head1 METHODS |
25 | |
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26 | =cut |
27 | |
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28 | sub get_graph :Local { |
29 | my( $self, $c ) = @_; |
30 | # If called interactively, we have params 'display', 'output', 'witnesses' |
31 | # If called non-interactively, we look at headers and content. |
32 | # The body is actually a File::Temp object; this is undocumented but |
33 | # so it seems to be. |
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34 | my $dotfile; |
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35 | my $must_unlink = 0; |
36 | if( $c->request->params->{'dot'} ) { |
37 | # Make a File::Temp object. |
38 | my $tmpfile = File::Temp->new( UNLINK => 0 ); |
39 | print $tmpfile $c->request->params->{'dot'}; |
40 | $dotfile = $tmpfile->filename; |
41 | $must_unlink = 1; |
42 | } else { |
43 | $dotfile = $c->request->body; |
44 | } |
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45 | my $format = 'svg'; |
46 | |
47 | # Render the dot in the given format. |
48 | my $collation = Text::Tradition::Collation->new(); |
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49 | my $stemma = Text::Tradition::Stemma->new( 'collation' => $collation, 'dot' => $dotfile ); |
50 | unlink( $dotfile ) if $must_unlink; |
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51 | $c->stash->{result} = $stemma->as_svg; |
52 | $c->forward( "View::SVG" ); |
53 | } |
54 | |
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55 | =head2 end |
56 | |
57 | Attempt to render a view, if needed. |
58 | |
59 | =cut |
60 | |
61 | sub end : ActionClass('RenderView') {} |
62 | |
63 | =head1 AUTHOR |
64 | |
65 | Tara L Andrews |
66 | |
67 | =head1 LICENSE |
68 | |
69 | This library is free software. You can redistribute it and/or modify |
70 | it under the same terms as Perl itself. |
71 | |
72 | =cut |
73 | |
74 | __PACKAGE__->meta->make_immutable; |
75 | |
76 | 1; |