File:
[LON-CAPA] /
loncom /
interface /
lonsyllabus.pm
Revision
1.25:
download - view:
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select for diffs
Sat Oct 4 20:49:40 2003 UTC (20 years, 6 months ago) by
www
Branches:
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CVS tags:
version_1_1_X,
version_1_1_3,
version_1_1_2,
version_1_1_1,
version_1_1_0,
version_1_0_99_3,
version_1_0_99_2,
version_1_0_99_1,
version_1_0_99,
HEAD
Internationalization, and in particular, lonlocal:locallocaltime and
Japanese dates.
# The LearningOnline Network
# Syllabus
#
# $Id: lonsyllabus.pm,v 1.25 2003/10/04 20:49:40 www 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;
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
# ------------------------------------------------------------ Print the screen
$r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
ENDDOCUMENT
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# Is this even a course?
my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
if ($homeserver eq 'no_host') {
$r->print('</head><body>'.&mt('No syllabus available').'</body></html>');
return OK;
}
# --------------------------------------------------------- The syllabus fields
my %syllabusfields=&Apache::lonlocal::texthash(
'aaa_instructorinfo' => 'Instructor Information',
'bbb_description' => 'Course Description',
'ccc_prereq' => 'Prerequisites',
'cdc_classhours' => 'Class Hours',
'ddd_officehours' => 'Office Hours',
'eee_helproom' => 'Helproom Hours',
'efe_projectinfo' => 'Project Information',
'fff_examinfo' => 'Exam Information',
'fgf_deadlines' => 'Deadlines',
'ggg_grading' => 'Grading Information',
'hhh_readings' => 'Readings',
'iii_coursepack' => 'Coursepack',
'jjj_weblinks' => 'Web Links',
'kkk_textbook' => 'Textbook',
'lll_includeurl' => 'URLs To Include in Syllabus');
# ------------------------------------------------------------ Get query string
&Apache::loncommon::get_unprocessed_cgi
($ENV{'QUERY_STRING'},['forcestudent','register']);
# ----------------------------------------------------- Force menu registration
my $addentries='';
if ($ENV{'form.register'}) {
$addentries=' onLoad="'.&Apache::lonmenu::loadevents().
'" onUnload="'.&Apache::lonmenu::unloadevents().'"';
$r->print(&Apache::lonmenu::registerurl(1));
}
# --------------------------------------------------------------- Force Student
my $forcestudent='';
if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
# ------------------------------------- There is such a course, get environment
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
$r->print('</head>'.&Apache::loncommon::bodytag
("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
$r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
$Apache::lonnet::domaindescription{$cdom}.'</h3>');
# -------------------------------------------------------------- Announcements?
$r->print(&Apache::lonannounce::showday(time,2,
&Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));
# -------------------------------------------------------- Get course personnel
my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
$r->print('<table border="2">');
foreach (sort keys %coursepersonnel) {
$r->print('<tr><td>'.$_.'</td><td>');
foreach (split(/\,/,$coursepersonnel{$_})) {
my ($puname,$pudom)=split(/\:/,$_);
$r->print(' '.&Apache::loncommon::aboutmewrapper(
&Apache::loncommon::plainname($puname,
$pudom),$puname,$pudom));
}
$r->print('</td></tr>');
}
$r->print('</table>');
# ---------------------------------------------------------- Load syllabus info
my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
my $allowed=0;
# This handler might be called anonymously ...
# ----------------------------------------------------- Only if not public call
if ($ENV{'user.environment'}) {
# does this user have privileges to post, etc?
if ($ENV{'request.course.id'}) {
$allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
if ($forcestudent) { $allowed=0; }
}
if ($allowed) {
$r->print('<p>'.
&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>'.&mt('This syllabus can be publicly viewed at')
.' <tt>http://'.
$Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
&Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
'<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
'</p>');
}
if (($allowed) && ($ENV{'form.storesyl'})) {
foreach (keys %syllabusfields) {
my $field=$ENV{'form.'.$_};
$field=~s/\s+$//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'));
$r->print('<table><tr><td>'.&mt('Uploaded').':</td><td>'.
&Apache::loncommon::aboutmewrapper(
&Apache::loncommon::plainname($syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'}).
'</td></tr><tr><td>'.&mt('Last updated').':</td><td>'.
$lastmod.
'</td></tr></table><p>');
if ($allowed) {
$r->print('<form method="post">');
}
foreach (sort keys %syllabusfields) {
if (($syllabus{$_}) || ($allowed)) {
my $message=$syllabus{$_};
if ($_ eq 'lll_includeurl') { # this is the "included" field
my $urls=$message;
$message='';
foreach my $filelink (split(/\n/,$urls)) {
my $output='';
# embed style?
my ($curfext)=($filelink=~/\.([^\.]+)$/);
my $embstyle=&Apache::loncommon::fileembstyle($curfext);
if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {
# make ssi call and remove everything but the body contents
$output=&Apache::lonnet::ssi_body($filelink);
} elsif ($embstyle eq 'img') {
# embed as an image
$output='<img src="'.$filelink.'" />';
}
$message.='<p>'.$output.'</p>';
}
if ($allowed) {
$r->print('<h3>'.$syllabusfields{$_}.
&Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
'<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
} else {
$r->print($message);
}
} else {
$message=~s/\n/\<br \/\>/g;
$message
=~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
$message=&Apache::lontexconvert::msgtexconverted($message);
$r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
$message.'</blockquote>');
}
if ($allowed) {
$r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
$syllabus{$_}.
'</textarea><input type="submit" name="storesyl" value="Store" />');
}
}
}
if ($allowed) {
$r->print('</form>');
}
$r->print('</p>');
} else {
$r->print('<p>No syllabus information provided.</p>');
}
$r->print('</body></html>');
return OK;
}
1;
__END__
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