# $Id$
# Common functions for HTML/XHTML output generation
# Copyright (C) 2003 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
# 
# 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; exactly version 2 of June 1991 is required
# 
# 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


package product::Lib;
require 5.6.0;	# at least 'use warnings;' but we need some 5.6.0+ modules anyway
our $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
our $CVS_ID=q$Id$;
use strict;
use warnings;

use My::Web;
use Carp qw(cluck confess);

use Exporter;
our @EXPORT=qw();
Wrequire 'Lib';
our @ISA=qw(My::Web Lib Exporter);


my $LIST_ABSPATH="/product/SUBDIRS";


# Returns: hashref if !wantarray(), list if wantarray().
sub list($)
{
my($self)=@_;

	return $self->list_abspath($LIST_ABSPATH);
}

sub products_sorted($)
{
my($self)=@_;

	my %item=$self->name_to_hashref();
	return sort {
		($item{$b}{"priority"} <=> $item{$a}{"priority"})
		or
		(lc($item{$a}{"name"}) cmp lc($item{$b}{"name"}));
		} keys(%item);
}

# $args{"is_index"}=1;
sub products($;$%)
{
my($class,$product_selected,%args)=@_;

	my $r="";
	$r.='<table border="0" class="margin-center"><tr>'."\n";
		$r.='<td>';
			$r.='<table border="1" style="border-collapse: collapse; border-style: solid; border-width: 1px;">'."\n";
				$r.='<tr>'."\n";
					$r.='<td style="padding: 5px; font-weight: bold;">'."\n";
						$r.='Products';
					$r.='</td>'."\n";
				$r.='</tr>'."\n";
			$r.='</table>';
		$r.='</td>';
		$r.='<td>';
			$r.='<table border="1" style="border-collapse: collapse; border-style: solid;">'."\n";
				$r.='<tr>'."\n";
					my %item=$class->name_to_hashref();
					for my $product_found ($class->products_sorted()) {
						my $chosen=($product_selected && $product_selected eq $product_found);
						$r.='<td style="padding: 5px;">';
							$r.=($chosen && $args{"is_index"} ? "<b>".$item{$product_found}{"name"}."</b>"
									: a_href "/product/$product_found/",$item{$product_found}{"name"},
											"attr"=>($chosen
													? 'style="text-decoration: underline; font-weight: bold;"'
													: 'style="text-decoration: inherit; /* revoke underline */"'));
						$r.="</td>\n";
						}
				$r.='</tr>'."\n";
			$r.='</table>'."\n";
		$r.='</td>'."\n";
	$r.='</tr></table>'."\n";

	# Products menu DISABLED:
	$r="";

	if (!$args{"novskip"}) {
		Wrequire 'WebConfig';
		$r.=WebConfig->vskip_hr();
		}
	return $r;
}

sub init($%)
{
my($class,%args)=@_;

	$args{"__PACKAGE__"}||=caller();
	$args{"product_name"}||=($args{"__PACKAGE__"}=~/^product::(\w+)::/)[0]
			or cluck "Error finding product name of the package: ".$args{"__PACKAGE__"};
	my $ListItem=$class->name_to_hashref($args{"product_name"});
	my $W=$class->SUPER::init(
			"title"=>My::Web->a_href_inhibit(sub { return $class->title($ListItem); }),
			"footer_ids"=>0,
			"no_job"=>1,
			"rel_up"=>'/product/',
#			"rel_start"=>"/",	# TODO:homepage
			"css_push"=>"/product/Lib.css",
			%args,
			"heading_novskip"=>1,
			);
	$class->heading();
	my $is_index=($args{"__PACKAGE__"}=~/^product::\w+::Index$/);
	print $class->products($args{"product_name"},
			"is_index"=>$is_index,
			%args,
			);
	return $W;
}

1;