X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/5017ffd8a512c09d3c34764709791812acfc5515..e54ec757d01fd77001fc5efe1942bdeea8ee468f:/IkiWiki/Plugin/tag.pm

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index 841d508bf..c4a175677 100644
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -4,28 +4,130 @@ package IkiWiki::Plugin::tag;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
-my %tag;
+my %tags;
 
 sub import { #{{{
-	IkiWiki::hook(type => "preprocess", id => "tag", call => \&preprocess);
+	hook(type => "getopt", id => "tag", call => \&getopt);
+	hook(type => "getsetup", id => "tag", call => \&getsetup);
+	hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
+	hook(type => "preprocess", id => "taglink", call => \&preprocess_taglink, scan => 1);
+	hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
 } # }}}
 
-sub preprocess (@) { #{{{
+sub getopt () { #{{{
+	eval q{use Getopt::Long};
+	error($@) if $@;
+	Getopt::Long::Configure('pass_through');
+	GetOptions("tagbase=s" => \$config{tagbase});
+} #}}}
+
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+		tagbase => {
+			type => "string",
+			example => "tag",
+			description => "parent page tags are located under",
+			safe => 1,
+			rebuild => 1,
+		},
+} #}}}
+
+sub tagpage ($) { #{{{
+	my $tag=shift;
+			
+	if ($tag !~ m{^\.?/} &&
+	    defined $config{tagbase}) {
+		$tag="/".$config{tagbase}."/".$tag;
+	}
+
+	return $tag;
+} #}}}
+
+sub taglink ($$$;@) { #{{{
+	my $page=shift;
+	my $destpage=shift;
+	my $tag=shift;
+	my %opts=@_;
+
+	my $link=tagpage($tag);
+
+	# Force tag creation links to create the tag under /tagbase,
+	# if there is a tagbase and this tag used it.
+	$link="/".$link if $tag ne $link;
+
+	return htmllink($page, $destpage, $link, %opts);
+} #}}}
+
+sub preprocess_tag (@) { #{{{
 	if (! @_) {
 		return "";
 	}
 	my %params=@_;
 	my $page = $params{page};
 	delete $params{page};
+	delete $params{destpage};
+	delete $params{preview};
 
 	foreach my $tag (keys %params) {
+		$tag=linkpage($tag);
+		$tags{$page}{$tag}=1;
 		# hidden WikiLink
-		push @{$IkiWiki::links{$page}}, $tag;
+		push @{$links{$page}}, tagpage($tag);
 	}
 		
 	return "";
 } # }}}
 
+sub preprocess_taglink (@) { #{{{
+	if (! @_) {
+		return "";
+	}
+	my %params=@_;
+	return join(" ", map {
+		if (/(.*)\|(.*)/) {
+			my $tag=linkpage($2);
+			$tags{$params{page}}{$tag}=1;
+			push @{$links{$params{page}}}, tagpage($tag);
+			return taglink($params{page}, $params{destpage}, $tag,
+				linktext => pagetitle($1));
+		}
+		else {
+			my $tag=linkpage($_);
+			$tags{$params{page}}{$tag}=1;
+			push @{$links{$params{page}}}, tagpage($tag);
+			return taglink($params{page}, $params{destpage}, $tag);
+		}
+	}
+	grep {
+		$_ ne 'page' && $_ ne 'destpage' && $_ ne 'preview'
+	} keys %params);
+} # }}}
+
+sub pagetemplate (@) { #{{{
+	my %params=@_;
+	my $page=$params{page};
+	my $destpage=$params{destpage};
+	my $template=$params{template};
+
+	$template->param(tags => [
+		map { 
+			link => taglink($page, $destpage, $_, rel => "tag")
+		}, sort keys %{$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