]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/pagestats.pm
year calendar: only link to months that have posts
[git.ikiwiki.info.git] / IkiWiki / Plugin / pagestats.pm
index 5dd2f337b4bc1b8822e097f3fcef714ee3c1ac42..47638210aeddeff49866ac1e5a6459828556ddd2 100644 (file)
@@ -35,16 +35,31 @@ sub preprocess (@) {
        $params{pages}="*" unless defined $params{pages};
        my $style = ($params{style} or 'cloud');
        
-       # Needs to update whenever a page is added or removed, so
-       # register a dependency.
-       add_depends($params{page}, $params{pages});
-       
        my %counts;
        my $max = 0;
-       foreach my $page (pagespec_match_list([keys %links],
-                       $params{pages}, location => $params{page})) {
+       foreach my $page (pagespec_match_list($params{page}, $params{pages},
+                                 # update when a displayed page is added/removed
+                                 deptype => deptype("presence"))) {
                use IkiWiki::Render;
-               $counts{$page} = scalar(IkiWiki::backlinks($page));
+
+               my @backlinks = IkiWiki::backlink_pages($page);
+
+               if (exists $params{among}) {
+                       # only consider backlinks from the amoung pages
+                       @backlinks = pagespec_match_list(
+                               $params{page}, $params{among},
+                               # update whenever links on those pages change
+                               deptype => deptype("links"),
+                               list => \@backlinks
+                       );
+               }
+               else {
+                       # update when any page with links changes,
+                       # in case the links point to our displayed pages
+                       add_depends($params{page}, "*", deptype("links"));
+               }
+
+               $counts{$page} = scalar(@backlinks);
                $max = $counts{$page} if $counts{$page} > $max;
        }