Only show stexaminer button for directed graphs

[scpubgit/stemmaweb.git] / lib / stemmaweb / Controller / Root.pm

diff --git a/lib/stemmaweb/Controller/Root.pm b/lib/stemmaweb/Controller/Root.pm
index c50a660..d798cbd 100644 (file)
--- a/lib/stemmaweb/Controller/Root.pm
+++ b/lib/stemmaweb/Controller/Root.pm
@@ -322,7 +322,10 @@ sub textinfo :Local :Args(1) {
        if( $tradition->can('language') ) {
                $textinfo->{'language'} = $tradition->language;
        }
-       my @stemmasvg = map { { name => $_->identifier, svg => $_->as_svg() } } 
+       my @stemmasvg = map { { 
+                       name => $_->identifier, 
+                       directed => _json_bool( !$_->is_undirected ),
+                       svg => $_->as_svg() } } 
                $tradition->stemmata;
        map { $_ =~ s/\n/ /mg } @stemmasvg;
        $textinfo->{stemmata} = \@stemmasvg;
@@ -448,6 +451,7 @@ sub stemma :Local :Args(2) {
                $c->stash->{'result'} = { 
                        'stemmaid' => $stemmaid, 
                        'name' => $stemma->identifier,
+                       'directed' => _json_bool( !$stemma->is_undirected ),
                        'svg' => $stemma_xml };
                $c->forward('View::JSON');
        }
@@ -532,6 +536,10 @@ sub _json_error {
        return 0;
 }
 
+sub _json_bool {
+       return $_[0] ? JSON::true : JSON::false;
+}
+
 =head2 default
 
 Standard 404 error page