# The LearningOnline Network
# Syllabus
#
# $Id: lonsyllabus.pm,v 1.48 2006/03/15 19:41:26 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::lonsyllabus;
use strict;
use Apache::Constants qw(:common);
use Apache::loncommon;
use Apache::lonnet;
use Apache::lontexconvert;
use Apache::lonfeedback;
use Apache::lonannounce;
use Apache::lonlocal;
use Apache::lonhtmlcommon;
use Apache::lonspeller();
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $target=$env{'form.grade_target'};
# --------------------------------------------------- Get course info from URL
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# ------------------------------------------------------------ Get query string
&Apache::loncommon::get_unprocessed_cgi
($ENV{'QUERY_STRING'},['forcestudent','register','forceedit','wrapperdisplay']);
# ----------------------------------------------------- Is this even a course?
my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
if ($homeserver eq 'no_host') {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
$r->print(&Apache::loncommon::startpage('No syllabus available').
&mt('No syllabus available').
&Apache::loncommon::end_page());
return OK;
}
# ------------------------------------- There is such a course, get environment
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
# ------------------------------------------------------------ Print the screen
my $feedurl='http://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss';
if ($target ne 'tex') {
my $html=&Apache::lonxml::xmlbegin();
my $head=&Apache::loncommon::headtag('The LearningOnline Network with CAPA');
$r->print(<
'.$element.' | '); } else { $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & '); } foreach (split(/\,/,$coursepersonnel{$element})) { my ($puname,$pudom)=split(/\:/,$_); if ($target ne 'tex') { $r->print(' '.&Apache::loncommon::aboutmewrapper( &Apache::loncommon::plainname($puname, $pudom),$puname,$pudom)); } else { $r->print(' '.&Apache::loncommon::plainname($puname, $pudom).' '); } } if ($target ne 'tex') { $r->print(' |
'. &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'
'.&mt('This syllabus can be publicly viewed at') .' http://'. $Apache::lonnet::hostname{$homeserver}.$r->uri.''. &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'
'. ''.&mt('You can specify an external URL as Syllabus in the [_1].',''.&mt('Course Parameters').'').'
'. ''. &mt('Show Public View').''. &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView'). '
'); } elsif ($privileged) { if ($target ne 'tex') { $r->print(''.
&mt('Edit').'');
}
}
if (($allowed) && ($env{'form.storesyl'})) {
foreach (keys %syllabusfields) {
my $field=$env{'form.'.$_};
chomp($field);
$field=~s/\s+$//s;
$field=~s/^\s+//s;
$field=~s/\
$//s;
$field=&Apache::lonfeedback::clear_out_html($field,1);
$syllabus{$_}=$field;
if ($_ eq 'lll_includeurl') { # clean up included URLs
my $field='';
foreach (split(/\n/,$syllabus{$_})) {
my $url=$_;
# get rid of leading and trailing spaces
$url=~s/^\s+//;
$url=~s/\s+$//;
if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
my $remainder=$2;
# remove the hostname from internal URLs
foreach (keys %Apache::lonnet::hostname) {
if ($1=~/$Apache::lonnet::hostname{$_}/i) {
$url=$remainder;
}
}
}
# norm internal URLs
unless ($url=~/^http\:/) {
$url=&Apache::lonnet::clutter($url);
}
# re-assemble field
if ($url) {
$field.=$url."\n";
}
}
$syllabus{$_}=$field;
}
}
$syllabus{'uploaded.domain'}=$env{'user.domain'};
$syllabus{'uploaded.name'}=$env{'user.name'};
$syllabus{'uploaded.lastmodified'}=time;
&Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
}
}
# ---------------------------------------------------------------- Get syllabus
if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
my $lastmod=$syllabus{'uploaded.lastmodified'};
$lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
my $who = &Apache::loncommon::aboutmewrapper(
&Apache::loncommon::plainname($syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'});
if ($target ne 'tex') {
$r->print('
'.&mt('Last updated').': | '. $lastmod.' | '.&mt('by').' '.$who. ' |
'); } else { $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '. &Apache::loncommon::plainname($syllabus{'uploaded.name'}, $syllabus{'uploaded.domain'}).'\\\\'); } if ($allowed) { $r->print('
'. &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids)); } if ($target ne 'tex') {$r->print('');} else {$r->print('\\\\');} } else { if ($target ne 'tex') {$r->print('');} else {$r->print('\par ');} $r->print('No syllabus information provided.'); if ($target ne 'tex') {$r->print('
');} } if ($target ne 'tex') { $r->print(&Apache::loncommon::end_page()); } else { $r->print('\end{document}'); } return OK; } 1; __END__