X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/6f1539320b7b2701d391c9921177b31898767bb7..54a9f8d07de3bf853a74c34ca98bcb3ec9bc8ac7:/IkiWiki/Plugin/pagestats.pm

diff --git a/IkiWiki/Plugin/pagestats.pm b/IkiWiki/Plugin/pagestats.pm
index dbe69539d..ac0a463e3 100644
--- a/IkiWiki/Plugin/pagestats.pm
+++ b/IkiWiki/Plugin/pagestats.pm
@@ -27,33 +27,77 @@ sub getsetup () {
 		plugin => {
 			safe => 1,
 			rebuild => undef,
+			section => "widget",
 		},
 }
 
+sub linktext ($%) {
+	# Return the text of the link to a tag, depending on option linktext.
+	my ($page, %params) = @_;
+	if (exists $params{show} &&
+		exists $pagestate{$page} &&
+		exists $pagestate{$page}{meta}{$params{show}}) {
+		return $pagestate{$page}{meta}{$params{show}};
+	}
+	else {
+		return undef;
+	}
+}
+
 sub preprocess (@) {
 	my %params=@_;
 	$params{pages}="*" unless defined $params{pages};
 	my $style = ($params{style} or 'cloud');
-	
-	# Needs to update whenever a page is added or removed, so
-	# register a dependency.
-	add_depends($params{page}, $params{pages});
-	
+
+	# Backwards compatibility
+	if (defined $params{show} && $params{show} =~ m/^\d+$/) {
+		$params{limit} = $params{show};
+		delete $params{show};
+	}
+
 	my %counts;
 	my $max = 0;
-	foreach my $page (keys %links) {
-		if (pagespec_match($page, $params{pages}, location => $params{page})) {
-			use IkiWiki::Render;
-			$counts{$page} = scalar(IkiWiki::backlinks($page));
-			$max = $counts{$page} if $counts{$page} > $max;
+	foreach my $page (pagespec_match_list($params{page}, $params{pages},
+		                  # update when a displayed page is added/removed
+	        	          deptype => deptype("presence"))) {
+		use IkiWiki::Render;
+
+		my @backlinks = IkiWiki::backlink_pages($page);
+
+		if (exists $params{among}) {
+			# only consider backlinks from the amoung pages
+			@backlinks = pagespec_match_list(
+				$params{page}, $params{among},
+				# update whenever links on those pages change
+				deptype => deptype("links"),
+				list => \@backlinks
+			);
+		}
+		else {
+			# update when any page with links changes,
+			# in case the links point to our displayed pages
+			add_depends($params{page}, "*", deptype("links"));
 		}
+
+		$counts{$page} = scalar(@backlinks);
+		$max = $counts{$page} if $counts{$page} > $max;
+	}
+
+	if (exists $params{limit}) {
+		my $i=0;
+		my %show;
+		foreach my $key (sort { $counts{$b} <=> $counts{$a} } keys %counts) {
+			last if ++$i > $params{limit};
+			$show{$key}=$counts{$key};
+		}
+		%counts=%show;
 	}
 
 	if ($style eq 'table') {
-		return "<table class='pageStats'>\n".
+		return "<table class='".(exists $params{class} ? $params{class} : "pageStats")."'>\n".
 			join("\n", map {
 				"<tr><td>".
-				htmllink($params{page}, $params{destpage}, $_, noimageinline => 1).
+				htmllink($params{page}, $params{destpage}, $_, noimageinline => 1, linktext => linktext($_, %params)).
 				"</td><td>".$counts{$_}."</td></tr>"
 			}
 			sort { $counts{$b} <=> $counts{$a} } keys %counts).
@@ -62,14 +106,31 @@ sub preprocess (@) {
 	else {
 		# In case of misspelling, default to a page cloud
 
-		my $res = "<div class='pagecloud'>\n";
+		my $res;
+		if ($style eq 'list') {
+			$res = "<ul class='".(exists $params{class} ? $params{class} : "list")."'>\n";
+		}
+		else {
+			$res = "<div class='".(exists $params{class} ? $params{class} : "pagecloud")."'>\n";
+		}
 		foreach my $page (sort keys %counts) {
+			next unless $counts{$page} > 0;
+
 			my $class = $classes[$counts{$page} * scalar(@classes) / ($max + 1)];
+			
+			$res.="<li>" if $style eq 'list';
 			$res .= "<span class=\"$class\">".
-			        htmllink($params{page}, $params{destpage}, $page).
+							htmllink($params{page}, $params{destpage}, $page, linktext => linktext($page, %params)).
 			        "</span>\n";
+			$res.="</li>" if $style eq 'list';
+
+		}
+		if ($style eq 'list') {
+			$res .= "</ul>\n";
+		}
+		else {
+			$res .= "</div>\n";
 		}
-		$res .= "</div>\n";
 
 		return $res;
 	}