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It would be great if I could tell ikiwiki to automatically instantiate pages for each [[tag|/tags]], according to a template, especially when `$tagbase` is set.
Tags are mainly specific to the object to which they’re stuck. However, I often use them the other way around, too: as concepts. And sometimes I’d like to see all pages related to a given concept (“tagged with a given tag”). The only way to do this with ikiwiki is to instantiate a page for each tag and slap a map on it. This is quite tedious and I’d really love to see Ikiwiki do so by default for all tags.
Also see: <http://madduck.net/blog/2008.01.06:new-blog/> and <http://users.itk.ppke.hu/~cstamas/code/ikiwiki/autocreatetagpage/>
[[!tag wishlist plugins/tag patch]]
I would love to see this as well. -- dato
---
I have create a patch to [[tag.pm|plugins/tag]] for add the option for auto create tag pages.
A new setting is used to enable or disable auto-create tag pages, `tag_autocreate`.
The new tag file is created during the preprocess phase.
The new tag file is then complied during the change phase.
_tag.pm from version 3.01_
--- tag.pm 2009-02-06 10:26:03.000000000 -0700
+++ tag_new.pm 2009-02-06 12:17:19.000000000 -0700
@@ -14,6 +14,7 @@
hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
hook(type => "preprocess", id => "taglink", call => \&preprocess_taglink, scan => 1);
hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
+ hook(type => "change", id => "tag", call => \&change);
}
sub getopt () {
@@ -36,6 +37,36 @@
safe => 1,
rebuild => 1,
},
+ tag_autocreate => {
+ type => "boolean",
+ example => 0,
+ description => "Auto-create the new tag pages, uses autotagpage.tmpl ",
+ safe => 1,
+ rebulid => 1,
+ },
+}
+
+my $autocreated_page = 0;
+
+sub gen_tag_page($) {
+ my $tag=shift;
+
+ my $tag_file=$tag.'.'.$config{default_pageext};
+ return if (-f $config{srcdir}.$tag_file);
+
+ my $template=template("autotagpage.tmpl");
+ $template->param(tag => $tag);
+ writefile($tag_file, $config{srcdir}, $template->output);
+ $autocreated_page = 1;
+
+ if ($config{rcs}) {
+ IkiWiki::disable_commit_hook();
+ IkiWiki::rcs_add($tag_file);
+ IkiWiki::rcs_commit_staged(
+ gettext("Automatic tag page generation"),
+ undef, undef);
+ IkiWiki::enable_commit_hook();
+ }
}
sub tagpage ($) {
@@ -47,6 +78,10 @@
$tag=~y#/#/#s; # squash dups
}
+ if (defined $config{tag_autocreate} && $config{tag_autocreate} ) {
+ gen_tag_page($tag);
+ }
+
return $tag;
}
@@ -125,4 +160,18 @@
}
}
+sub change(@) {
+ return unless($autocreated_page);
+ $autocreated_page = 0;
+
+ # This refresh/saveindex is to complie the autocreated tag pages
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
+
+ # This refresh/saveindex is to fix the Tags link
+ # With out this additional refresh/saveindex the tag link displays ?tag
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
+}
+
This uses a [[template|wikitemplates]] called `autotagpage.tmpl`, here is my template file:
\[[!inline pages="link(<TMPL_VAR TAG>)" archive="yes"]]
A quirk I have not figured out is during the `sub change`, see my comments in the code.
I am not sure if that is the best way to handle it.
[[!tag patch]]
-- Jeremy Schultz <jeremy.schultz@uleth.ca>
No, this doesn't help:
+ # This refresh/saveindex is to fix the Tags link
+ # With out this additional refresh/saveindex the tag link displays ?tag
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
On the second extra pass, it doesn't notice that it has to update the "?"-link. If I run ikiwiki once more, it is updated. I don't know yet how this should be fixed, because I don't know the internals of ikiwiki well enough. Something inhibits detecting the need to update in refresh() in Render.pm; perhaps, this condition:
if (! $pagemtime{$page}) {
...
push @add, $file;
...
}
is not satisfied for the newly created tag page. I shall put debug msgs into Render.pm to find out better how it works. --Ivan Z.
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