* Changed calling convention for httmllink slightly. The first three

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

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index 841d508bfcc33d87b8a7940a3ecd76ddb8f24d65..b06eadd13d055bb31fda8567581caa8278a76ab9 100644 (file)
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -6,12 +6,32 @@ use warnings;
 use strict;
 use IkiWiki;
 
-my %tag;
+my %tags;
 
 sub import { #{{{
-       IkiWiki::hook(type => "preprocess", id => "tag", call => \&preprocess);
+       hook(type => "getopt", id => "tag", call => \&getopt);
+       hook(type => "preprocess", id => "tag", call => \&preprocess, scan => 1);
+       hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
 } # }}}
 
+sub getopt () { #{{{
+       eval q{use Getopt::Long};
+       error($@) if $@;
+       Getopt::Long::Configure('pass_through');
+       GetOptions("tagbase=s" => \$config{tagbase});
+} #}}}
+
+sub tagpage ($) { #{{{
+       my $tag=shift;
+                       
+       if (exists $config{tagbase} &&
+           defined $config{tagbase}) {
+               $tag=$config{tagbase}."/".$tag;
+       }
+
+       return $tag;
+} #}}}
+
 sub preprocess (@) { #{{{
        if (! @_) {
                return "";
@@ -19,13 +39,36 @@ sub preprocess (@) { #{{{
        my %params=@_;
        my $page = $params{page};
        delete $params{page};
+       delete $params{destpage};
 
        foreach my $tag (keys %params) {
+               $tags{$page}{$tag}=1;
                # hidden WikiLink
-               push @{$IkiWiki::links{$page}}, $tag;
+               push @{$links{$page}}, tagpage($tag);
        }
                
        return "";
 } # }}}
 
+sub pagetemplate (@) { #{{{
+       my %params=@_;
+       my $page=$params{page};
+       my $destpage=$params{destpage};
+       my $template=$params{template};
+
+       $template->param(tags => [
+               map { 
+                       link => htmllink($page, $destpage, tagpage($_))
+               }, sort keys %{$tags{$page}}
+       ]) if exists $tags{$page} && %{$tags{$page}} && $template->query(name => "tags");
+
+       if ($template->query(name => "categories")) {
+               # It's an rss/atom template. Add any categories.
+               if (exists $tags{$page} && %{$tags{$page}}) {
+                       $template->param(categories => [map { category => $_ },
+                               sort keys %{$tags{$page}}]);
+               }
+       }
+} # }}}
+
 1