From f0e36d348497976918bbf941c44e54888115ea3d Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 17 Apr 2011 22:29:17 +0200
Subject: Add footer (clone of sidebar).

---
 IkiWiki/Plugin/footer.pm | 110 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 IkiWiki/Plugin/footer.pm

(limited to 'IkiWiki')

diff --git a/IkiWiki/Plugin/footer.pm b/IkiWiki/Plugin/footer.pm
new file mode 100644
index 0000000..b4d7b50
--- /dev/null
+++ b/IkiWiki/Plugin/footer.pm
@@ -0,0 +1,110 @@
+#!/usr/bin/perl
+# Footer plugin.
+# by Jonas Smedegaard <dr@jones.dk>
+# Heavily based on Sidebar by Tuomo Valkonen <tuomov at iki dot fi> 
+
+package IkiWiki::Plugin::footer;
+
+use warnings;
+use strict;
+use IkiWiki 3.00;
+
+sub import {
+	hook(type => "getsetup", id => "footer", call => \&getsetup);
+	hook(type => "preprocess", id => "footer", call => \&preprocess);
+	hook(type => "pagetemplate", id => "footer", call => \&pagetemplate);
+}
+
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => 1,
+		},
+		global_footers => {
+			type => "boolean",
+			example => 1,
+			description => "show footer page on all pages?",
+			safe => 1,
+			rebuild => 1,
+		},
+}
+
+my %pagefooter;
+
+sub preprocess (@) {
+	my %params=@_;
+
+	my $page=$params{page};
+	return "" unless $page eq $params{destpage};
+	
+	if (! defined $params{content}) {
+		$pagefooter{$page}=undef;
+	}
+	else {
+		my $file = $pagesources{$page};
+		my $type = pagetype($file);
+
+		$pagefooter{$page}=
+			IkiWiki::htmlize($page, $page, $type,
+			IkiWiki::linkify($page, $page,
+			IkiWiki::preprocess($page, $page, $params{content})));
+	}
+
+	return "";
+}
+
+my $oldfile;
+my $oldcontent;
+
+sub footer_content ($) {
+	my $page=shift;
+	
+	return delete $pagefooter{$page} if defined $pagefooter{$page};
+
+	return if ! exists $pagefooter{$page} && 
+		defined $config{global_footers} && ! $config{global_footers};
+
+	my $footer_page=bestlink($page, "footer") || return;
+	my $footer_file=$pagesources{$footer_page} || return;
+	my $footer_type=pagetype($footer_file);
+	
+	if (defined $footer_type) {
+		# FIXME: This isn't quite right; it won't take into account
+		# adding a new footer page. So adding such a page
+		# currently requires a wiki rebuild.
+		add_depends($page, $footer_page);
+
+		my $content;
+		if (defined $oldfile && $footer_file eq $oldfile) {
+			$content=$oldcontent;
+		}
+		else {
+			$content=readfile(srcfile($footer_file));
+			$oldcontent=$content;
+			$oldfile=$footer_file;
+		}
+
+		return unless length $content;
+		return IkiWiki::htmlize($footer_page, $page, $footer_type,
+		       IkiWiki::linkify($footer_page, $page,
+		       IkiWiki::preprocess($footer_page, $page,
+		       IkiWiki::filter($footer_page, $page, $content))));
+	}
+
+}
+
+sub pagetemplate (@) {
+	my %params=@_;
+
+	my $template=$params{template};
+	if ($params{destpage} eq $params{page} &&
+	    $template->query(name => "footer")) {
+		my $content=footer_content($params{destpage});
+		if (defined $content && length $content) {
+		        $template->param(footer => $content);
+		}
+	}
+}
+
+1
-- 
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