# The LearningOnline Network with CAPA
# tags that create controlled output
#
# $Id: outputtags.pm,v 1.20 2002/10/16 19:21:32 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA 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.
#
# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
package Apache::outputtags;
use strict;
use Apache::lonnet;
use POSIX qw(strftime);
BEGIN {
&Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle'));
}
sub initialize_outputtags {
%Apache::outputtags::showonce=();
}
sub start_displayduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if (exists($Apache::outputtags::showonce{'displayduedate'})) {
return '';
} else {
$Apache::outputtags::showonce{'displayduedate'}=1;
}
my $status=$Apache::inputtags::status['-1'];
&Apache::lonxml::debug("got a $status in duedatebox");
if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) {
my $format = &Apache::lonxml::get_param('format',$parstack,$safeeval);
if ($format eq '') {
&Apache::lonxml::debug("using default format");
$format="%c";
}
my $id = $Apache::inputtags::part;
my $date = &Apache::lonnet::EXT("resource.$id.duedate");
&Apache::lonxml::debug("duedatebox found $date for $id");
if ($date) {
$result ='<table border="on"><tr><td>Due at '.
POSIX::strftime($format,localtime($date)).
'</td></tr></table>';
} else {
$result ='<table border="on"><tr><td>No due date set.</td></tr></table>';
}
} elsif ( $target eq 'edit' ) {
$result=&Apache::edit::tag_start($target,$token);
$result.='</td></tr>';
$result.=&Apache::edit::end_table();
}
return $result;
}
sub end_displayduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my @result;
if ($target eq 'edit') { $result[1]='no'; }
return @result;
}
sub start_displaytitle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result='';
if (exists($Apache::outputtags::showonce{'displayduedate'})) {
return '';
} else {
$Apache::outputtags::showonce{'displayduedate'}=1;
}
if ($target eq 'web') {
$result="<h1>$Apache::lonhomework::name</h1>";
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token);
$result.='</td></tr>';
$result.=&Apache::edit::end_table();
} elsif ($target eq 'tex') {
$Apache::lonhomework::name=~s/%/\%/g;
$Apache::lonhomework::name=~s/&/\&/g;
$result='\vskip 0 mm\noindent\textbf{'.$Apache::lonhomework::name.'}\vskip 0 mm';
}
return $result;
}
sub end_displaytitle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my @result;
if ($target eq 'edit') { $result[1]='no'; }
return @result;
}
1;
__END__
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