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March 9, 2015 21:55
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BPM::Engine::Trait::GraphViz
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| package BPM::Engine::Trait::GraphViz; | |
| ## no critic (RequireEndWithOne) | |
| use MooseX::Declare; | |
| role BPM::Engine::Trait::GraphViz { | |
| use GraphViz; | |
| use BPM::Engine::Types qw/UUID/; | |
| method get_process_graphviz (UUID|HashRef $id, HashRef $args = {}) { | |
| my $process = $self->get_process_definition($id, $args); | |
| my $graphViz = GraphViz->new( | |
| overlap => 'compress', | |
| rankdir => 1, # left-right | |
| directed => 1, | |
| node => { | |
| fontname => "Verdana", | |
| name => "graph", | |
| shape => 'box', | |
| style => 'filled', | |
| fillcolor => '#EFEFEF', | |
| }, | |
| ); | |
| foreach my $activity($process->activities->all) { | |
| my %args = (); | |
| $args{style} = $activity->is_implementation_type ? | |
| 'filled,rounded' : 'filled'; | |
| $graphViz->add_node( | |
| $activity->activity_uid, | |
| label => $activity->activity_name || $activity->activity_uid, | |
| #URL => "javascript:alert('node')", | |
| fillcolor => | |
| $activity->is_implementation_type ? '#EFEFEF' : | |
| ($activity->is_event_type ? '#ABABAB' : '#BCBCBC'), | |
| shape => | |
| $activity->is_route_type ? 'diamond' : | |
| ($activity->is_event_type ? | |
| ($activity->is_end_activity ? 'doublecircle' : 'circle') | |
| : 'box'), | |
| %args, | |
| ); | |
| } | |
| my @transitions = $process->transitions( | |
| {}, { prefetch => ['from_activity', 'to_activity'] } | |
| )->all; | |
| foreach my $transition(@transitions) { | |
| $graphViz->add_edge( | |
| $transition->from_activity->activity_uid, | |
| $transition->to_activity->activity_uid, | |
| #URL => "javascript:alert('edge')", | |
| ); | |
| } | |
| return $graphViz; | |
| } | |
| } | |
| 1; | |
| __END__ | |
| =pod | |
| =head1 NAME | |
| BPM::Engine::Trait::GraphViz | |
| =head1 SYNOPSIS | |
| my $engine = BPM::Engine->new_with_traits( | |
| traits => [qw/GraphViz/], | |
| connect_info => { dsn => 'dbi:SQLite:dbname=/Data/Source/BPM-Engine/t/var/bpmengine.db' } | |
| ); | |
| my $gv = $engine->get_process_graphviz(1); | |
| $gv->as_png('1.png'); | |
| =head1 DESCRIPTION | |
| A L<BPM::Engine> trait that creates a GraphViz object for a process | |
| =head1 METHODS | |
| =head2 get_process_graphviz | |
| Returns a GraphViz object for the specified process definition | |
| =cut |
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