From f35d35abe36166893f68061a1fcb2a26bc056fbc Mon Sep 17 00:00:00 2001
From: David Riebenbauer <davrieb@liegesta.at>
Date: Sat, 30 Jan 2010 18:22:32 +0100
Subject: Automatically create tag pages,

if "tag_autocreate=1" is set in the configuration. The pages will be created in
tagbase, if and only if they do not exist in the srcdir yet. Tag pages will be create from
"autotag.tmpl".

At this stage a second refresh is needed for the tag pages to be rendered.

Add autotag.tmpl template.
---
 IkiWiki/Plugin/tag.pm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'IkiWiki/Plugin')

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index cdcfaf536..6c43a053d 100644
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -36,6 +36,13 @@ sub getsetup () {
 			safe => 1,
 			rebuild => 1,
 		},
+		tag_autocreate => {
+			type => "boolean",
+			example => 0,
+			description => "Autocreate new tag pages",
+			safe => 1,
+			rebuild => 1,
+		},
 }
 
 sub tagpage ($) {
@@ -59,6 +66,21 @@ sub taglink ($$$;@) {
 	return htmllink($page, $destpage, tagpage($tag), %opts);
 }
 
+sub gentag ($) {
+	my $tag=shift;
+	if (defined $config{tag_autocreate} && $config{tag_autocreate}) {
+		my $tagfile = newpagefile(tagpage($tag), $config{default_pageext});
+		$tagfile=~s/^\///;
+		return if (srcfile($tagfile,1));
+
+		debug(sprintf(gettext("creating tag page %s"), $tag));
+
+		my $template=template("autotag.tmpl");
+		$template->param(tag => $tag);
+		writefile($tagfile, $config{srcdir}, $template->output);
+	}
+}
+
 sub preprocess_tag (@) {
 	if (! @_) {
 		return "";
@@ -72,6 +94,10 @@ sub preprocess_tag (@) {
 	foreach my $tag (keys %params) {
 		$tag=linkpage($tag);
 		$tags{$page}{$tag}=1;
+
+		# add tagpage if necessary
+		gentag($tag);
+
 		# hidden WikiLink
 		add_link($page, tagpage($tag));
 	}
-- 
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