X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/eea9f5053a36e178d35479501dda13d0dcd3a535..e897275dd1e8554033a2159f6401d17909f9c8c2:/IkiWiki/Plugin/map.pm

diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm
index 070f49415..4a9bf58db 100644
--- a/IkiWiki/Plugin/map.pm
+++ b/IkiWiki/Plugin/map.pm
@@ -1,65 +1,163 @@
 #!/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: 0.2
 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,
+			section => "widget",
+		},
+}
+
+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});
+	# Needs to update whenever a page is added or removed (or in some
+	# cases, when its content changes, if show= is specified).
+	my $deptype=deptype(exists $params{show} ? "content" : "presence");
 	
+	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 $page (pagespec_match_list($params{page}, $params{pages},
+					deptype => $deptype)) {
+		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);
 	}
 
+	# Set this to 1 or more spaces to pretty-print maps for debugging
+	my $spaces = "";
+
 	# Create the map.
+	my $parent="";
 	my $indent=0;
 	my $openli=0;
+	my $addparent="";
 	my $map = "<div class='map'>\n";
-	$map .= "<ul>\n";
-	foreach my $item (sort @mapitems) {
-		my $depth = ($item =~ tr/\//\//);
+
+	if (! keys %mapitems) {
+		# return empty div for empty map
+		$map .= "</div>\n";
+		return $map; 
+	} 
+	else {
+		$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="";
+			$map .= ($spaces x $indent) . "</li>\n";
+			if ($indent > 1) {
+				$map .= ($spaces x $indent) . "</ul><map:collapse>\n";
+			}
+			$indent--;
+		}
 		while ($depth < $indent) {
+			$map .= ($spaces x $indent) . "</li>\n";
+			if ($indent > 1) {
+				$map .= ($spaces x $indent) . "</ul>\n";
+			}
 			$indent--;
-			$map.="</li></ul>\n";
 		}
+		my @bits=split("/", $item);
+		my $p="";
+		$p.="/".shift(@bits) for 1..$indent;
 		while ($depth > $indent) {
 			$indent++;
-			$map.="<ul>\n";
-			$openli=0;
+			if ($indent > 1) {
+				$map .= ($spaces x $indent) . "<ul><map:collapse>\n";
+			}
+			if ($depth > $indent) {
+				$p.="/".shift(@bits);
+				$addparent=$p;
+				$addparent=~s/^\///;
+				$map .= ($spaces x $indent) . "<li>\n";
+				$map .= ($spaces x $indent)
+					.htmllink($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) ."\n";
+		$map .= ($spaces x $indent) . "</li>\n" if $openli;
+		$map .= ($spaces x $indent) . "<li>\n";
+		$map .= ($spaces x $indent)
+			.htmllink($params{page}, $params{destpage}, 
+				"/".$common_prefix."/".$item,
+				@linktext,
+				class => "mapitem", noimageinline => 1)
+			."\n";
 		$openli=1;
+		$parent=$item;
 	}
 	while ($indent > 0) {
+		$map .= ($spaces x $indent) . "</li>\n";
 		$indent--;
-		$map.="</li></ul>\n";
+		$map .= ($spaces x $indent) . "</ul>\n";
 	}
-	$map .= "</li></ul>\n";
+	$map =~ s{\n *</ul><map:collapse>\n *<ul><map:collapse>\n}{\n}gs;
+	$map =~ s{<map:collapse>}{}g;
 	$map .= "</div>\n";
 	return $map;
-} # }}}
+}
 
 1