X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/6f6495d7a6a021245a9d636ceabb8491285f88f2..5bcdc39999025062d201ae16babc0eabc2f4d976:/IkiWiki/Plugin/map.pm

diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm
index f2e8722c8..54146dc46 100644
--- a/IkiWiki/Plugin/map.pm
+++ b/IkiWiki/Plugin/map.pm
@@ -1,60 +1,160 @@
 #!/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 3.00;
 
-sub import { #{{{
-	IkiWiki::hook(type => "preprocess", id => "map",
-		call => \&preprocess);
-} # }}}
+sub import {
+	hook(type => "getsetup", id => "map", call => \&getsetup);
+	hook(type => "preprocess", id => "map", call => \&preprocess);
+}
 
-sub preprocess (@) { #{{{
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+}
+
+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 (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;
+			}
+		}
+	}
+	
+	# 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 (or in some
+	# cases, when its content changes, if show=title), so register a
+	# dependency.
+	add_depends($params{page}, $params{pages});
+	# Explicitly add all currently shown pages, to detect when pages
+	# are removed.
+	foreach my $item (keys %mapitems) {
+		add_depends($params{page}, $item);
 	}
 
 	# Create the map.
+	my $parent="";
 	my $indent=0;
+	my $openli=0;
+	my $addparent="";
 	my $map = "<div class='map'>\n";
-	foreach my $item (sort @mapitems) {
+
+	# 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\///
+			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 length $addparent && $baseitem =~ /^\Q$addparent\E(\/|$)/;
+			$addparent="";
+			$indent--;
+			$map .= "</li>\n";
+			if ($indent > 0) {
+				$map .= "</ul>\n";
+			}
+		}
 		while ($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) {
+				$p.="/".shift(@bits);
+				$addparent=$p;
+				$addparent=~s/^\///;
+				$map .= "<li>"
+					.htmllink($params{page}, $params{destpage},
+						 "/".$common_prefix.$p, class => "mapparent",
+						 noimageinline => 1)
+					."\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,
+				@linktext,
+				class => "mapitem", noimageinline => 1)
+			."\n";
+		$openli=1;
+		$parent=$item;
 	}
 	while ($indent > 0) {
 		$indent--;
-		$map.="</ul>\n";
+		$map .= "</li>\n</ul>\n";
 	}
 	$map .= "</div>\n";
 	return $map;
-} # }}}
+}
 
 1