Add a build_affected hook so trail doesn't have to inject

[git.ikiwiki.info.git] / IkiWiki / Plugin / trail.pm

diff --git a/IkiWiki/Plugin/trail.pm b/IkiWiki/Plugin/trail.pm
index 5ee152155187d718d314bb70776ff2ecb8503c6b..29830175e31c315800e236d8677729d8d41405f1 100644 (file)
--- a/IkiWiki/Plugin/trail.pm
+++ b/IkiWiki/Plugin/trail.pm
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 # Copyright © 2008-2011 Joey Hess
-# Copyright © 2009-2011 Simon McVittie <http://smcv.pseudorandom.co.uk/>
+# Copyright © 2009-2012 Simon McVittie <http://smcv.pseudorandom.co.uk/>
 # Licensed under the GNU GPL, version 2, or any later version published by the
 # Free Software Foundation
 package IkiWiki::Plugin::trail;
@@ -13,11 +13,11 @@ sub import {
        hook(type => "getsetup", id => "trail", call => \&getsetup);
        hook(type => "needsbuild", id => "trail", call => \&needsbuild);
        hook(type => "preprocess", id => "trailoptions", call => \&preprocess_trailoptions, scan => 1);
-       hook(type => "preprocess", id => "trailinline", call => \&preprocess_trailinline, scan => 1);
        hook(type => "preprocess", id => "trailitem", call => \&preprocess_trailitem, scan => 1);
        hook(type => "preprocess", id => "trailitems", call => \&preprocess_trailitems, scan => 1);
        hook(type => "preprocess", id => "traillink", call => \&preprocess_traillink, scan => 1);
        hook(type => "pagetemplate", id => "trail", call => \&pagetemplate);
+       hook(type => "build_affected", id => "trail", call => \&build_affected);
 }
 
 =head1 Page state
@@ -123,29 +123,6 @@ sub preprocess_trailoptions (@) {
        return "";
 }
 
-sub preprocess_trailinline (@) {
-       my %params = @_;
-
-       if (! exists $params{sort}) {
-               # sort in the same order as [[plugins/inline]]'s default
-               $params{sort} = 'age';
-       }
-
-       if (defined wantarray) {
-               scalar preprocess_trailitems(%params);
-
-               if (IkiWiki->can("preprocess_inline")) {
-                       return IkiWiki::preprocess_inline(@_);
-               }
-               else {
-                       error("trailinline directive requires the inline plugin");
-               }
-       }
-       else {
-               preprocess_trailitems(%params);
-       }
-}
-
 sub preprocess_trailitem (@) {
        my $link = shift;
        shift;
@@ -299,14 +276,9 @@ sub trails_differ {
 
 my $done_prerender = 0;
 
-my %origsubs;
-
 sub prerender {
        return if $done_prerender;
 
-       $origsubs{render_backlinks} = \&IkiWiki::render_backlinks;
-       inject(name => "IkiWiki::render_backlinks", call => \&render_backlinks);
-
        %trail_to_members = ();
        %member_to_trails = ();
 
@@ -392,18 +364,14 @@ sub prerender {
        $done_prerender = 1;
 }
 
-# This is called at about the right time that we can hijack it to render
-# extra pages.
-sub render_backlinks ($) {
-       my $blc = shift;
+sub build_affected {
+       my %affected;
 
        foreach my $member (keys %rebuild_trail_members) {
-               next unless exists $pagesources{$member};
-
-               IkiWiki::render($pagesources{$member}, sprintf(gettext("building %s, its previous or next page has changed"), $member));
+               $affected{$member} = sprintf(gettext("building %s, its previous or next page has changed"), $member);
        }
 
-       $origsubs{render_backlinks}($blc);
+       return %affected;
 }
 
 sub title_of ($) {