Files
oddmuse/modules/age.pl
2015-04-11 23:41:33 +03:00

56 lines
1.7 KiB
Perl

# Copyright (C) 2006 Alex Schroeder <alex@emacswiki.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.
# 59 Temple Place, Suite 330
# Boston, MA 02111-1307 USA
use strict;
AddModuleDescription('age.pl', 'Age Indication Extension');
our (%Page, $Now, $ScriptName);
our (%AgeEffect, $AgeParameter);
# map page age to theme
%AgeEffect = (60*60*24 => 'day',
60*60*24*7 => 'week',
60*60*24*28 => 'moon',
60*60*24*365 => 'year',
);
# attribute in the page file to use as the timestamp -- use 'created'
# if using creationdate.pl.
$AgeParameter = 'ts';
*OldAgeGetHeader = \&GetHeader;
*GetHeader = \&NewAgeGetHeader;
sub NewAgeGetHeader {
my $header = OldAgeGetHeader(@_);
return $header unless $Page{$AgeParameter}; # open page required
my $age = $Now - $Page{$AgeParameter};
my $theme = '';
for my $seconds (sort {$b <=> $a} keys %AgeEffect) {
if ($age > $seconds) {
$theme = $AgeEffect{$seconds};
last;
}
}
return $header unless $theme;
my $oldtheme = GetParam('theme', $ScriptName);
$header =~ s/class="$oldtheme"/class="$theme"/; # touch as little as possible
return $header;
}