ikiwiki/IkiWiki/Plugin/pagestats.pm

65 lines
1.8 KiB
Perl

#!/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;
}
} # }}}
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