X-Git-Url: http://git.tremily.us/?p=ikiwiki.git;a=blobdiff_plain;f=IkiWiki%2FPlugin%2Fmap.pm;h=826dbbd66ba68dee4401b259c2d3b87ae7e5d1ea;hp=328493116e42e29125aca0353062886588e38e5f;hb=786b78be46571234c741664d175cc4b0c8fea60e;hpb=1ca191b5707ef38af5cbe196e314d57cd5c8c065

diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm
index 328493116..826dbbd66 100644
--- a/IkiWiki/Plugin/map.pm
+++ b/IkiWiki/Plugin/map.pm
@@ -32,32 +32,31 @@ sub preprocess (@) {
 
 	# Get all the items to map.
 	my %mapitems;
-	foreach my $page (keys %pagesources) {
-		if (pagespec_match($page, $params{pages}, location => $params{page})) {
-			if (exists $params{show} && 
-			    exists $pagestate{$page} &&
-			    exists $pagestate{$page}{meta}{$params{show}}) {
-				$mapitems{$page}=$pagestate{$page}{meta}{$params{show}};
-			}
-			else {
-				$mapitems{$page}='';
-			}
-			# Check for a common prefix.
-			if (! defined $common_prefix) {
-				$common_prefix=$page;
-			}
-			elsif (length $common_prefix &&
-			       $page !~ /^\Q$common_prefix\E(\/|$)/) {
-				my @a=split(/\//, $page);
-				my @b=split(/\//, $common_prefix);
-				$common_prefix="";
-				while (@a && @b && $a[0] eq $b[0]) {
-					if (length $common_prefix) {
-						$common_prefix.="/";
-					}
-					$common_prefix.=shift(@a);
-					shift @b;
+	foreach my $page (pagespec_match_list([keys %pagesources],
+				$params{pages}, location => $params{page})) {
+		if (exists $params{show} && 
+		    exists $pagestate{$page} &&
+		    exists $pagestate{$page}{meta}{$params{show}}) {
+			$mapitems{$page}=$pagestate{$page}{meta}{$params{show}};
+		}
+		else {
+			$mapitems{$page}='';
+		}
+		# Check for a common prefix.
+		if (! defined $common_prefix) {
+			$common_prefix=$page;
+		}
+		elsif (length $common_prefix &&
+		       $page !~ /^\Q$common_prefix\E(\/|$)/) {
+			my @a=split(/\//, $page);
+			my @b=split(/\//, $common_prefix);
+			$common_prefix="";
+			while (@a && @b && $a[0] eq $b[0]) {
+				if (length $common_prefix) {
+					$common_prefix.="/";
 				}
+				$common_prefix.=shift(@a);
+				shift @b;
 			}
 		}
 	}
@@ -81,7 +80,17 @@ sub preprocess (@) {
 	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\///