X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/cedb48765b52d3e074f43703cf55611b3bce101d..e3e6ca2777990caf96e524f59e22925841c79e6e:/IkiWiki/Plugin/sidebar.pm

diff --git a/IkiWiki/Plugin/sidebar.pm b/IkiWiki/Plugin/sidebar.pm
index a6efc6b8e..c1146b7b4 100644
--- a/IkiWiki/Plugin/sidebar.pm
+++ b/IkiWiki/Plugin/sidebar.pm
@@ -6,43 +6,104 @@ package IkiWiki::Plugin::sidebar;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 3.00;
 
-sub import { #{{{
-	IkiWiki::hook(type => "pagetemplate", id => "sidebar", 
-		call => \&pagetemplate);
-} # }}}
+sub import {
+	hook(type => "getsetup", id => "sidebar", call => \&getsetup);
+	hook(type => "preprocess", id => "sidebar", call => \&preprocess);
+	hook(type => "pagetemplate", id => "sidebar", call => \&pagetemplate);
+}
 
-sub sidebar_content ($) { #{{{
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => 1,
+		},
+		global_sidebars => {
+			type => "boolean",
+			example => 1,
+			description => "show sidebar page on all pages?",
+			safe => 1,
+			rebuild => 1,
+		},
+}
+
+my %pagesidebar;
+
+sub preprocess (@) {
+	my %params=@_;
+
+	my $page=$params{page};
+	return "" unless $page eq $params{destpage};
+	
+	if (! defined $params{content}) {
+		$pagesidebar{$page}=undef;
+	}
+	else {
+		my $file = $pagesources{$page};
+		my $type = pagetype($file);
+
+		$pagesidebar{$page}=
+			IkiWiki::htmlize($page, $page, $type,
+			IkiWiki::linkify($page, $page,
+			IkiWiki::preprocess($page, $page, $params{content})));
+	}
+
+	return "";
+}
+
+my $oldfile;
+my $oldcontent;
+
+sub sidebar_content ($) {
 	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);
+	return delete $pagesidebar{$page} if defined $pagesidebar{$page};
+
+	return if ! exists $pagesidebar{$page} && 
+		defined $config{global_sidebars} && ! $config{global_sidebars};
+
+	my $sidebar_page=bestlink($page, "sidebar") || return;
+	my $sidebar_file=$pagesources{$sidebar_page} || return;
+	my $sidebar_type=pagetype($sidebar_file);
 	
 	if (defined $sidebar_type) {
-		IkiWiki::add_depends($page, $sidebar_page);
-		my $content=IkiWiki::readfile(IkiWiki::srcfile($sidebar_file));
+		# FIXME: This isn't quite right; it won't take into account
+		# adding a new sidebar page. So adding such a page
+		# currently requires a wiki rebuild.
+		add_depends($page, $sidebar_page);
+
+		my $content;
+		if (defined $oldfile && $sidebar_file eq $oldfile) {
+			$content=$oldcontent;
+		}
+		else {
+			$content=readfile(srcfile($sidebar_file));
+			$oldcontent=$content;
+			$oldfile=$sidebar_file;
+		}
+
 		return unless length $content;
-		return IkiWiki::htmlize($sidebar_type,
+		return IkiWiki::htmlize($sidebar_page, $page, $sidebar_type,
+		       IkiWiki::linkify($sidebar_page, $page,
 		       IkiWiki::preprocess($sidebar_page, $page,
-		       IkiWiki::linkify($sidebar_page, $page, $content)));
+		       IkiWiki::filter($sidebar_page, $page, $content))));
 	}
 
-} # }}}
+}
 
-sub pagetemplate (@) { #{{{
+sub pagetemplate (@) {
 	my %params=@_;
 
-	my $page=$params{page};
 	my $template=$params{template};
-	
-	if ($template->query(name => "sidebar")) {
-		my $content=sidebar_content($page);
+	if ($params{destpage} eq $params{page} &&
+	    $template->query(name => "sidebar")) {
+		my $content=sidebar_content($params{destpage});
 		if (defined $content && length $content) {
 		        $template->param(sidebar => $content);
 		}
 	}
-} # }}}
+}
 
 1