IkiWiki/Plugin/parentlinks.pm

   1 #!/usr/bin/perl
   2 # Ikiwiki parentlinks plugin.
   3 package IkiWiki::Plugin::parentlinks;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 3.00;
   8
   9 sub import {
  10         hook(type => "parentlinks", id => "parentlinks", call => \&parentlinks);
  11         hook(type => "pagetemplate", id => "parentlinks", call => \&pagetemplate);
  12         hook(type => "getsetup", id => "parentlinks", call => \&getsetup);
  13 }
  14
  15 sub getsetup () {
  16         return
  17                 plugin => {
  18                         safe => 1,
  19                         rebuild => 1,
  20                         section => "core",
  21                 },
  22 }
  23
  24 sub parentlinks ($) {
  25         my $page=shift;
  26
  27         if (! length $page) {
  28                 # dynamic page
  29                 return {
  30                         url => IkiWiki::baseurl(undef),
  31                         page => $config{wikiname},
  32                 };
  33         }
  34
  35         my @ret;
  36         my $path="";
  37         my $title=$config{wikiname};
  38         my $i=0;
  39         my $depth=0;
  40         my $height=0;
  41
  42         my @pagepath=(split("/", $page));
  43         my $pagedepth=@pagepath;
  44         foreach my $dir (@pagepath) {
  45                 next if $dir eq 'index';
  46                 $depth=$i;
  47                 $height=($pagedepth - $depth);
  48                 push @ret, {
  49                         url => urlto(bestlink($page, $path), $page),
  50                         page => $title,
  51                         depth => $depth,
  52                         height => $height,
  53                         "depth_$depth" => 1,
  54                         "height_$height" => 1,
  55                 };
  56                 $path.="/".$dir;
  57                 $title=pagetitle($dir);
  58                 $i++;
  59         }
  60         return @ret;
  61 }
  62
  63 sub pagetemplate (@) {
  64         my %params=@_;
  65         my $template=$params{template};
  66
  67         if ($template->query(name => "parentlinks") ||
  68             $template->query(name => "has_parentlinks")) {
  69                 my @links=parentlinks($params{page});
  70                 $template->param(parentlinks => \@links);
  71                 $template->param(has_parentlinks => (@links > 0));
  72         }
  73 }
  74
  75 1