X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/6f6495d7a6a021245a9d636ceabb8491285f88f2..930584cff747d87635da192585030d4fb30a2893:/IkiWiki/Plugin/map.pm

diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm
index f2e8722c8..b08d78d76 100644
--- a/IkiWiki/Plugin/map.pm
+++ b/IkiWiki/Plugin/map.pm
@@ -1,57 +1,121 @@
 #!/usr/bin/perl
 #
-# Produce a hyerarchical map of links.
+# Produce a hierarchical map of links.
 #
-# By Alessandro Dotti Contra <alessandro@hyboria.org>
+# by Alessandro Dotti Contra <alessandro@hyboria.org>
 #
-# Revision: 0.1
+# Revision: 0.2
 package IkiWiki::Plugin::map;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 sub import { #{{{
-	IkiWiki::hook(type => "preprocess", id => "map",
-		call => \&preprocess);
+	hook(type => "preprocess", id => "map", call => \&preprocess);
 } # }}}
 
 sub preprocess (@) { #{{{
 	my %params=@_;
 	$params{pages}="*" unless defined $params{pages};
 	
-	# Needs to update whenever a page is added or removed, so
-	# register a dependency.
-	IkiWiki::add_depends($params{page}, $params{pages});
-	
+	my $common_prefix;
+
 	# Get all the items to map.
-	my @mapitems = ();
-	foreach my $page (keys %IkiWiki::links) {
-		if (IkiWiki::pagespec_match($page, $params{pages})) {
-			push @mapitems, $page;
+	my %mapitems;
+	foreach my $page (keys %pagesources) {
+		if (pagespec_match($page, $params{pages}, location => $params{page})) {
+			$mapitems{$page}=1;
+
+			# 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]) {
+					$common_prefix.=shift(@a);
+					shift @b;
+				}
+			}
 		}
 	}
+	
+	# Common prefix should not be a page in the map.
+	while (defined $common_prefix && length $common_prefix &&
+	       exists $mapitems{$common_prefix}) {
+		$common_prefix=IkiWiki::dirname($common_prefix);
+	}
+
+	# Needs to update whenever a page is added or removed, so
+	# register a dependency.
+	add_depends($params{page}, $params{pages});
+	# Explicitly add all currently shown pages, to detect when pages
+	# are removed.
+	add_depends($params{page}, join(" or ", keys %mapitems));
 
 	# Create the map.
+	my $parent="";
 	my $indent=0;
-	my $map = "<div class='map'>\n";
-	foreach my $item (sort @mapitems) {
+	my $openli=0;
+	my $dummy=0;
+	my $map = "<div class='map'>\n<ul>\n";
+	foreach my $item (sort keys %mapitems) {
+		$item=~s/^\Q$common_prefix\E\///
+			if defined $common_prefix && length $common_prefix;
 		my $depth = ($item =~ tr/\//\//) + 1;
+		my $baseitem=IkiWiki::dirname($item);
+		while (length $parent && length $baseitem && $baseitem !~ /^\Q$parent\E(\/|$)/) {
+			$parent=IkiWiki::dirname($parent);
+			last if !$dummy && length $parent && $baseitem =~ /^\Q$parent\E(\/|$)/;
+			$indent--;
+			$map .= "</li>\n";
+			if ($indent > 0) {
+				$map .= "</ul>\n";
+			}
+		}
+		$dummy=0;
 		while ($depth < $indent) {
 			$indent--;
-			$map.="</ul>\n";
+			$map .= "</li>\n";
+			if ($indent > 0) {
+				$map .= "</ul>\n";
+			}
 		}
+		my @bits=split("/", $item);
+		my $p="";
+		$p.="/".shift(@bits) for 1..$indent;
 		while ($depth > $indent) {
 			$indent++;
-			$map.="<ul>\n";
+			if ($indent > 1) {
+				$map .= "<ul>\n";
+			}
+			if ($depth > $indent) {
+				$dummy=1;
+				$p.="/".shift(@bits);
+				$map .= "<li>"
+					.htmllink($params{page}, $params{destpage}, $p, class => "mapparent")
+					."\n";
+				$openli=1;
+			}
+			else {
+				$openli=0;
+			}
 		}
+		$map .= "</li>\n" if $openli;
 		$map .= "<li>"
-		        .IkiWiki::htmllink($params{page}, $params{destpage}, $item)
-			."</li>\n";
+			.htmllink($params{page}, $params{destpage}, 
+				"/".$common_prefix."/".$item, class => "mapitem")
+			."\n";
+		$openli=1;
+		$parent=$item;
 	}
 	while ($indent > 0) {
 		$indent--;
-		$map.="</ul>\n";
+		$map .= "</li>\n</ul>\n";
 	}
 	$map .= "</div>\n";
 	return $map;