From d76c73eb8634f3181bd246d747ae42443d4b6d31 Mon Sep 17 00:00:00 2001
From: joey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>
Date: Sat, 29 Jul 2006 17:44:41 +0000
Subject: * New pagestats plugin from Enrico, which can generate a table
 counting   the backlinks for each page, or a del.icio.us style cloud.

---
 IkiWiki/Plugin/pagestats.pm | 64 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 IkiWiki/Plugin/pagestats.pm

(limited to 'IkiWiki/Plugin/pagestats.pm')

diff --git a/IkiWiki/Plugin/pagestats.pm b/IkiWiki/Plugin/pagestats.pm
new file mode 100644
index 000000000..34fd11715
--- /dev/null
+++ b/IkiWiki/Plugin/pagestats.pm
@@ -0,0 +1,64 @@
+#!/usr/bin/perl
+#
+# Produce page statistics in various forms.
+#
+# Currently supported:
+#   cloud: produces statistics in the form of a del.icio.us-style tag cloud
+#          (default)
+#   table: produces a table with the number of backlinks for each page
+#
+# By Enrico Zini.
+package IkiWiki::Plugin::pagestats;
+
+use warnings;
+use strict;
+use IkiWiki;
+
+# Names of the HTML classes to use for the tag cloud
+our @classes = ('smallestPC', 'smallPC', 'normalPC', 'bigPC', 'biggestPC' );
+
+sub import { #{{{
+	IkiWiki::hook(type => "preprocess", id => "pagestats",
+		call => \&preprocess);
+} # }}}
+
+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.
+	IkiWiki::add_depends($params{page}, $params{pages});
+	
+	my %counts;
+	my $max = 0;
+	foreach my $page (%IkiWiki::links) {
+		if (IkiWiki::globlist_match($page, $params{pages})) {
+			my @bl = IkiWiki::backlinks($page);
+			$counts{$page} = scalar(@bl);
+			$max = $counts{$page} if $counts{$page} > $max;
+		}
+	}
+
+	if ($style eq 'table') {
+		return "<table class='pageStats'>\n".join("\n", map { "<tr><td>$_</td><td>".$counts{$_}."</td></tr>" }
+		      sort { $counts{$b} <=> $counts{$a} } keys %counts)."\n</table>\n" ;
+	} else {
+		# In case of misspelling, default to a page cloud
+
+		my $res = "<div class='pagecloud'>\n";
+		foreach my $page (sort keys %counts) {
+			my $class = $classes[$counts{$page} * scalar(@classes) / ($max + 1)];
+			my $link = IkiWiki::abs2rel(IkiWiki::htmlpage($page), IkiWiki::dirname($params{page}));
+			$res .= sprintf("<span class='%s'><a href='%s'>%s</a></span>\n",
+					$class, $link, $page);
+				
+		}
+		$res .= "</div>\n";
+
+		return $res;
+	}
+} # }}}
+
+1
-- 
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