graphviz: Fix display of preexisting images in preview mode.

[ikiwiki.git] / IkiWiki / Plugin / graphviz.pm

diff --git a/IkiWiki/Plugin/graphviz.pm b/IkiWiki/Plugin/graphviz.pm
index b13d15fa6350aadd237494350dd1c8949bf72700..c91c92fec72af9bbe4d4cf1c8a0f07f01e6933ec 100644 (file)
--- a/IkiWiki/Plugin/graphviz.pm
+++ b/IkiWiki/Plugin/graphviz.pm
@@ -5,18 +5,28 @@ package IkiWiki::Plugin::graphviz;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use IPC::Open2;
 
-sub import { #{{{
+sub import {
+       hook(type => "getsetup", id => "graphviz", call => \&getsetup);
        hook(type => "preprocess", id => "graph", call => \&graph);
-} # }}}
+}
+
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+                       section => "widget",
+               },
+}
 
 my %graphviz_programs = (
        "dot" => 1, "neato" => 1, "fdp" => 1, "twopi" => 1, "circo" => 1
 );
 
-sub render_graph (\%) { #{{{
+sub render_graph (\%) {
        my %params = %{(shift)};
 
        my $src = "$params{type} g {\n";
@@ -36,7 +46,7 @@ sub render_graph (\%) { #{{{
 
        if (! -e "$config{destdir}/$dest") {
                my $pid;
-               my $sigpipe=0;;
+               my $sigpipe=0;
                $SIG{PIPE}=sub { $sigpipe=1 };
                $pid=open2(*IN, *OUT, "$params{prog} -Tpng");
 
@@ -69,15 +79,10 @@ sub render_graph (\%) { #{{{
                }
        }
 
-       if ($params{preview}) {
-               return "<img src=\"".urlto($dest, "")."\" />\n";
-       }
-       else {
-               return "<img src=\"".urlto($dest, $params{destpage})."\" />\n";
-       }
-} #}}}
+       return "<img src=\"".urlto($dest, $params{destpage})."\" />\n";
+}
 
-sub graph (@) { #{{{
+sub graph (@) {
        my %params=@_;
        $params{src} = "" unless defined $params{src};
        $params{type} = "digraph" unless defined $params{type};
@@ -85,6 +90,6 @@ sub graph (@) { #{{{
        error gettext("prog not a valid graphviz program") unless $graphviz_programs{$params{prog}};
 
        return render_graph(%params);
-} # }}}
+}
 
 1