# Blosxom Plugin: dynamiccss
# Author(s): Brian Haberer
# Version: 1.0
# Feb 25, 2004
# brian@canonical.org
# http://www.canonical.org/~brian/software/dynamiccss
# Blosxom Home/Docs/Licensing: http://www.raelity.org/apps/blosxom/

package dynamiccss;

use CGI qw/:standard/;
use FileHandle;

###### Instructions #######
# Simply place this file in your plugins directory, and set 
#  the following variables to what you want them to be. 
# 
# Use $dynamiccss:cssline in your flavor files to insert the <link> line.
#
# Small Note: the output is XHTML 1.1 Strict compliant, for those like me 
#  who are anal retentive about compliance :)
#

# Variables
# Browser specific 
%files = ("gecko" => "blog.css",
	  "IE"    => "ie.css",);
# "Safe" cssfile
$default = "blog.css";

#path to the blosxom subdirectory where you keep css files.
$csspath = "";

# End of Variables

$cssline = "";

sub start {
    1;
}

sub head {
    my($pkg, $currentdir, $head_ref) = @_;
    my $user = user_agent();
    my $included = 0;
    my $fullpath = $blosxom::url;
    $fullpath =~ s/\/index.cgi//;
    $fullpath .= $csspath;
           
    while (my ($regex, $file) = each %files) {
	if ($user =~ /$regex/i) {
	    $cssline = "<link rel=\"stylesheet\" type=\"text/css\" 
                              href=\"$fullpath\/$file\" //>";
	    $done = 1;
	    last;
	}
    }
    if (! $done) {
	$cssline = "<link rel=\"stylesheet\" type=\"text/css\" 
                              href=\"$fullpath\/$default_file\" //>";
    }	
    1; 
}

sub end
{
	1;
}

1;

=head1 NAME
	
DynamicCSS Bloxsom Plugin 
	
=head1 SYNOPSIS

Enables Bloxsom users to load different CSS styles based on the UserAgent. 

=head1 VERSION

0.1

=head1 USAGE

Regexes can be added to the %files variable as well as a relitive 
css file to load on a match.  

=head1 AUTHOR
Brian Haberer <brian@canonical.org>, http://weirdo513.org/

=head1 LICENSE

Blosxom plugin - Dynamic CSS (c) 2004 Brian Haberer
  http://www.canonical.org/~brian/software/dynamiccss

Copyright (C) 2004 Brian Haberer

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.

Or See: http://www.gnu.org/copyleft/gpl.html