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

diff --git a/IkiWiki/Plugin/parentlinks.pm b/IkiWiki/Plugin/parentlinks.pm
index 1ee69cbff4901695117e1d335f106d1dcb044367..ef08118b4557ecd8a7b819c6a0bd0dffcc938af1 100644 (file)
--- a/IkiWiki/Plugin/parentlinks.pm
+++ b/IkiWiki/Plugin/parentlinks.pm
@@ -9,6 +9,7 @@ use IkiWiki 3.00;
 sub import {
        hook(type => "parentlinks", id => "parentlinks", call => \&parentlinks);
        hook(type => "pagetemplate", id => "parentlinks", call => \&pagetemplate);
+       hook(type => "getsetup", id => "parentlinks", call => \&getsetup);
 }
 
 sub getsetup () {
@@ -16,12 +17,21 @@ sub getsetup () {
                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};
@@ -31,10 +41,17 @@ 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);
+               $path.="/".$dir;
+               $title=pagetitle($dir);
                push @ret, {
                        url => urlto(bestlink($page, $path), $page),
                        page => $title,
@@ -43,8 +60,6 @@ sub parentlinks ($) {
                        "depth_$depth" => 1,
                        "height_$height" => 1,
                };
-               $path.="/".$dir;
-               $title=pagetitle($dir);
                $i++;
        }
        return @ret;
@@ -52,11 +67,13 @@ sub parentlinks ($) {
 
 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));
        }
 }