* Add a tail fin^W^Wsidebar plugin by Tuomo Valkonen.

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

diff --git a/IkiWiki/Plugin/sidebar.pm b/IkiWiki/Plugin/sidebar.pm
new file mode 100644 (file)
index 0000000..a6efc6b
--- /dev/null
+++ b/IkiWiki/Plugin/sidebar.pm
@@ -0,0 +1,48 @@
+#!/usr/bin/perl
+# Sidebar plugin.
+# by Tuomo Valkonen <tuomov at iki dot fi>
+
+package IkiWiki::Plugin::sidebar;
+
+use warnings;
+use strict;
+use IkiWiki;
+
+sub import { #{{{
+       IkiWiki::hook(type => "pagetemplate", id => "sidebar", 
+               call => \&pagetemplate);
+} # }}}
+
+sub sidebar_content ($) { #{{{
+       my $page=shift;
+       
+       my $sidebar_page=IkiWiki::bestlink($page, "sidebar") || return;
+       my $sidebar_file=$IkiWiki::pagesources{$sidebar_page} || return;
+       my $sidebar_type=IkiWiki::pagetype($sidebar_file);
+       
+       if (defined $sidebar_type) {
+               IkiWiki::add_depends($page, $sidebar_page);
+               my $content=IkiWiki::readfile(IkiWiki::srcfile($sidebar_file));
+               return unless length $content;
+               return IkiWiki::htmlize($sidebar_type,
+                      IkiWiki::preprocess($sidebar_page, $page,
+                      IkiWiki::linkify($sidebar_page, $page, $content)));
+       }
+
+} # }}}
+
+sub pagetemplate (@) { #{{{
+       my %params=@_;
+
+       my $page=$params{page};
+       my $template=$params{template};
+       
+       if ($template->query(name => "sidebar")) {
+               my $content=sidebar_content($page);
+               if (defined $content && length $content) {
+                       $template->param(sidebar => $content);
+               }
+       }
+} # }}}
+
+1