* Add templatefile hook.

* Add pagetemplate plugin, which allows changing the template used for
  a page. (Not to be confused with the hook of the same name..)

3 files changed, 57 insertions, 1 deletions

diff --git a/IkiWiki/Plugin/pagetemplate.pm b/IkiWiki/Plugin/pagetemplate.pm
new file mode 100644
index 000000000..b5ebf623d
--- /dev/null
+++ b/IkiWiki/Plugin/pagetemplate.pm
@@ -0,0 +1,40 @@
+#!/usr/bin/perl
+package IkiWiki::Plugin::pagetemplate;
+
+use warnings;
+use strict;
+use IkiWiki 2.00;
+
+my %templates;
+
+sub import { #{{{
+	hook(type => "preprocess", id => "pagetemplate", call => \&preprocess);
+	hook(type => "templatefile", id => "pagetemplate", call => \&templatefile);
+} # }}}
+
+sub preprocess (@) { #{{{
+	my %params=@_;
+
+	if (! exists $params{template} ||
+	    $params{template} !~ /^[-A-Za-z0-9._+]+$/ ||
+	    ! defined IkiWiki::template_file($params{template})) {
+		 return "[[pagetemplate ".gettext("bad or missing template")."]]";
+	}
+
+	if ($params{page} eq $params{destpage}) {
+		$templates{$params{page}}=$params{template};
+	}
+
+} # }}}
+
+sub templatefile (@) { #{{{
+	my %params=@_;
+
+	if (exists $templates{$params{page}}) {
+		return $templates{$params{page}};
+	}
+	
+	return undef;
+} # }}}
+
+1
diff --git a/IkiWiki/Plugin/skeleton.pm b/IkiWiki/Plugin/skeleton.pm
index fb4cfe9af..d1a50c03b 100644
--- a/IkiWiki/Plugin/skeleton.pm
+++ b/IkiWiki/Plugin/skeleton.pm
@@ -18,6 +18,7 @@ sub import { #{{{
 	hook(type => "sanitize", id => "skeleton", call => \&sanitize);
 	hook(type => "format", id => "skeleton", call => \&format);
 	hook(type => "pagetemplate", id => "skeleton", call => \&pagetemplate);
+	hook(type => "templatefile", id => "skeleton", call => \&templatefile);
 	hook(type => "delete", id => "skeleton", call => \&delete);
 	hook(type => "change", id => "skeleton", call => \&change);
 	hook(type => "cgi", id => "skeleton", call => \&cgi);
@@ -86,6 +87,13 @@ sub pagetemplate (@) { #{{{
 	debug("skeleton plugin running as a pagetemplate hook");
 } # }}}
 
+sub templatefile (@) { #{{{
+	my %params=@_;
+	my $page=$params{page};
+	
+	debug("skeleton plugin running as a templatefile hook");
+} # }}}
+
 sub delete (@) { #{{{
 	my @files=@_;
 
diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 911e9c273..a95da40d2 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -69,7 +69,15 @@ sub genpage ($$$) { #{{{
 	my $content=shift;
 	my $mtime=shift;
 
-	my $template=template("page.tmpl", blind_cache => 1);
+	my $templatefile;
+	run_hooks(templatefile => sub {
+		return if defined $templatefile;
+		my $file=shift->(page => $page);
+		if (defined $file && defined template_file($file)) {
+			$templatefile=$file;
+		}
+	});
+	my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
 	my $actions=0;
 
 	if (length $config{cgiurl}) {