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

diff --git a/IkiWiki/Plugin/parentlinks.pm b/IkiWiki/Plugin/parentlinks.pm
index a94cd469cd78d25395b62ff5a5e48eab1b785514..ef08118b4557ecd8a7b819c6a0bd0dffcc938af1 100644 (file)
--- a/IkiWiki/Plugin/parentlinks.pm
+++ b/IkiWiki/Plugin/parentlinks.pm
@@ -1,19 +1,37 @@
 #!/usr/bin/perl
-# -*- cperl-indent-level: 8; -*-
 # Ikiwiki parentlinks plugin.
 package IkiWiki::Plugin::parentlinks;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
-sub import { #{{{
+sub import {
+       hook(type => "parentlinks", id => "parentlinks", call => \&parentlinks);
        hook(type => "pagetemplate", id => "parentlinks", call => \&pagetemplate);
-} # }}}
+       hook(type => "getsetup", id => "parentlinks", call => \&getsetup);
+}
 
-sub parentlinks ($) { #{{{
+sub getsetup () {
+       return 
+               plugin => {
+                       safe => 1,
+                       rebuild => 1,
+                       section => "core",
+               },
+}
+
+sub parentlinks ($) {
        my $page=shift;
 
+       if (! length $page) {
+               # dynamic page
+               return {
+                       url => IkiWiki::baseurl(undef),
+                       page => $config{wikiname},
+               };
+       }
+
        my @ret;
        my $path="";
        my $title=$config{wikiname};
@@ -23,33 +41,40 @@ sub parentlinks ($) { #{{{
 
        my @pagepath=(split("/", $page));
        my $pagedepth=@pagepath;
+
+       # The last element in @pagepath is the page itself, so punt that
+       # (These are /parent/ links, after all.)
+       pop @pagepath;
+
        foreach my $dir (@pagepath) {
                next if $dir eq 'index';
                $depth=$i;
                $height=($pagedepth - $depth);
-               push @ret, {
-                           url => urlto($path, $page),
-                           page => $title,
-                           depth => $depth,
-                           height => $height,
-                           "depth_$depth" => 1,
-                           "height_$height" => 1,
-                          };
                $path.="/".$dir;
-               $title=IkiWiki::pagetitle($dir);
+               $title=pagetitle($dir);
+               push @ret, {
+                       url => urlto(bestlink($page, $path), $page),
+                       page => $title,
+                       depth => $depth,
+                       height => $height,
+                       "depth_$depth" => 1,
+                       "height_$height" => 1,
+               };
                $i++;
        }
        return @ret;
-} #}}}
+}
 
-sub pagetemplate (@) { #{{{
+sub pagetemplate (@) {
        my %params=@_;
-        my $page=$params{page};
         my $template=$params{template};
 
-       if ($template->query(name => "parentlinks")) {
-               $template->param(parentlinks => [parentlinks($page)]);
+       if ($template->query(name => "parentlinks") ||
+           $template->query(name => "has_parentlinks")) {
+               my @links=parentlinks($params{page});
+               $template->param(parentlinks => \@links);
+               $template->param(has_parentlinks => (@links > 0));
        }
-} # }}}
+}
 
 1