template: Search for templates in the templatedir, if they are not found as pages in the wiki.

IkiWiki/Plugin/template.pm

@@ -37,7 +37,13 @@ sub preprocess (@) {
 	my $template_page="templates/$params{id}";
 	add_depends($params{page}, $template_page);
 
-	my $template_file=$pagesources{$template_page};
+	my $template_file;
+	if (exists $pagesources{$template_page}) {
+		$template_file=srcfile($pagesources{$template_page});
+	}
+	else {
+		$template_file=template_file("$params{id}.tmpl")
+	}
 	return sprintf(gettext("template %s not found"),
 		htmllink($params{page}, $params{destpage}, "/".$template_page))
 			unless defined $template_file;
@@ -50,7 +56,7 @@ sub preprocess (@) {
 	                        $$text_ref=&Encode::decode_utf8($$text_ref);
 				chomp $$text_ref;
 	                },
-	                filename => srcfile($template_file),
+	                filename => $template_file,
        			die_on_bad_params => 0,
 			no_includes => 1,
 			blind_cache => 1,

debian/changelog

@@ -26,6 +26,8 @@ ikiwiki (3.20100324) UNRELEASED; urgency=low
   * page.tmpl: Add Cache-Control must-revalidate to ensure that users
     (especially of Firefox) see fresh page content.
   * htmlscrubber: Allow colons in urls after '?'
+  * template: Search for templates in the templatedir, if they are not
+    found as pages in the wiki.
 
  -- Joey Hess <joeyh@debian.org>  Sat, 13 Mar 2010 14:48:10 -0500
 

doc/templates.mdwn

@@ -43,6 +43,12 @@ page will provide a link that can be used to create the template. The template
 is a regular wiki page, located in the `templates/` subdirectory inside
 the source directory of the wiki.
 
+(Alternatively, templates can be stored in a directory outside the wiki,
+as files with the extension ".tmpl".
+By default, these are searched for in `/usr/share/ikiwiki/templates`;
+the `templatedir` setting can be used to make another directory be searched
+first.)
+
 The template uses the syntax used by the [[!cpan HTML::Template]] perl
 module, which allows for some fairly complex things to be done. Consult its
 documentation for the full syntax, but all you really need to know are a

doc/todo/user-defined_templates_outside_the_wiki.mdwn

@@ -6,3 +6,5 @@ source, but also looks in the system templates directory (the one with
 invoked via `\[[!template]]`, but don't have to "work" as wiki pages in their
 own right. I think the normal [[plugins/template]] plugin could benefit from
 this functionality.
+
+[[done]] --[[Joey]] 

doc/wikitemplates.mdwn

@@ -5,7 +5,8 @@ to learn.
 The aim is to keep almost all html out of ikiwiki and in the templates.
 
 It ships with some basic templates which can be customised. These are
-located in /usr/share/ikiwiki/templates by default.
+located in `/usr/share/ikiwiki/templates` by default; the `templatedir`
+setting can be used to make another directory be searched first.
 
 * `page.tmpl` - Used for displaying all regular wiki pages.
 * `misc.tmpl` - Generic template used for any page that doesn't
@@ -43,7 +44,8 @@ The [[plugins/pagetemplate]] plugin can allow individual pages to use a
 different template than `page.tmpl`.
 
 The [[plugins/template]] plugin also uses templates, though those
-[[templates]] are stored in the wiki and inserted into pages.
+[[templates]] are typically stored as pages in the wiki, and are inserted
+into pages.
 
 The [[plugins/edittemplate]] plugin is used to make new pages default to
 containing text from a template, which can be filled as out the page is