}
# Needs to update whenever a page is added or removed (or in some
- # cases, when its content changes, if show=title), so register a
- # dependency.
- add_depends($params{page}, $params{pages});
+ # cases, when its content changes, if show= is specified), so
+ # register a dependency.
+ add_depends($params{page}, $params{pages}, presence => ! exists $params{show});
# Explicitly add all currently shown pages, to detect when pages
# are removed.
- add_depends($params{page}, join(" or ", keys %mapitems));
+ foreach my $item (keys %mapitems) {
+ add_depends($params{page}, $item, presence => ! exists $params{show});
+ }
# Create the map.
my $parent="";
my $indent=0;
my $openli=0;
my $addparent="";
- my $map = "<div class='map'>\n<ul>\n";
+ my $map = "<div class='map'>\n";
+
+ # Return empty div if %mapitems is empty
+ if (!scalar(keys %mapitems)) {
+ $map .= "</div>\n";
+ return $map;
+ }
+ else { # continue populating $map
+ $map .= "<ul>\n";
+ }
+
foreach my $item (sort keys %mapitems) {
my @linktext = (length $mapitems{$item} ? (linktext => $mapitems{$item}) : ());
$item=~s/^\Q$common_prefix\E\///