--- loncom/interface/lonsyllabus.pm 2002/08/27 12:48:46 1.1
+++ loncom/interface/lonsyllabus.pm 2004/05/10 14:12:14 1.31
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Syllabus
#
-# $Id: lonsyllabus.pm,v 1.1 2002/08/27 12:48:46 www Exp $
+# $Id: lonsyllabus.pm,v 1.31 2004/05/10 14:12:14 sakharuk Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -32,29 +32,268 @@ 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;
- $r->content_type('text/html');
+ &Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
-
# ------------------------------------------------------------ Print the screen
- $r->print(<<ENDDOCUMENT);
+ my $target=$ENV{'form.grade_target'};
+ if ($target ne 'tex') {
+ $r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
-</head>
ENDDOCUMENT
- $r->print(&Apache::loncommon::bodytag("Syllabus"));
-# does this user have privileges to post, etc?
- my $allowed=0;
- if ($ENV{'request.course.id'}) {
- $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
+ } else {
+ $r->print(&Apache::lonprintout::print_latex_header($ENV{'form.latex_type'}));
+ }
+ 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');
- $r->print('</body></html>');
+# ------------------------------------------------------------ Get query string
+ &Apache::loncommon::get_unprocessed_cgi
+ ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit']);
+# ----------------------------------------------------- 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'; };
+ my $forceedit='';
+ if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
+
+# ------------------------------------- There is such a course, get environment
+ my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
+ if ($target ne 'tex') {
+ $r->print('</head>'.&Apache::loncommon::bodytag
+ ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
+ $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
+ $Apache::lonnet::domaindescription{$cdom}.'</h3>');
+ } else {
+ $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
+ $Apache::lonnet::domaindescription{$cdom}.'}\\\\');
+ }
+# -------------------------------------------------------------- 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.'/'.$cnum);
+ if ($target ne 'tex') {
+ $r->print('<table border="2">');
+ } else {
+ $r->print('\begin{tabular}{|c|c|}\hline');
+ }
+ foreach (sort keys %coursepersonnel) {
+ if ($target ne 'tex') {
+ $r->print('<tr><td>'.$_.'</td><td>');
+ } else {
+ $r->print(' '.$_.'\\\\ ');
+ }
+ foreach (split(/\,/,$coursepersonnel{$_})) {
+ 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('</td></tr>');
+ } else {
+ $r->print('\\\\ \hline');
+ }
+ }
+ if ($target ne 'tex') {
+ $r->print('</table>');
+ } else {
+ $r->print('\end{tabular}\\\\');
+ }
+# ---------------------------------------------------------- Load syllabus info
+ my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
+ my $allowed=0;
+ my $privileged=0;
+
+# This handler might be called anonymously ...
+# ----------------------------------------------------- Only if not public call
+ if ($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'});
+ $privileged=$allowed;
+ if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
+ $forcestudent='student';
+ }
+ if ($forcestudent or $target eq 'tex') { $allowed=0; }
+ }
+ if ($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">'.
+&mt('Show Public View').'</font></a>'.
+ &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
+ '</p>');
+ } elsif ($privileged) {
+ if ($target ne 'tex') {
+ $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
+ &mt('Edit').'</font></a>');
+ }
+ }
+ 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'));
+ 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('<table><tr><td>'.&mt('Last updated').':</td><td>'.
+ $lastmod.'</td><td>'.&mt('by').' '.$who.
+ '</td></tr></table><p>');
+ } else {
+ $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '.
+ &Apache::loncommon::plainname($syllabus{'uploaded.name'},
+ $syllabus{'uploaded.domain'}).'\\\\');
+ }
+ if ($allowed) {
+ $r->print('<form method="post">'.
+ '<input type="hidden" name="forceedit" value="edit" />');
+ }
+ foreach (sort keys %syllabusfields) {
+ if (($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">'.&mt('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);
+ if ($target ne 'tex') {
+ $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
+ $message.'</blockquote>');
+ } else {
+ $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
+ &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
+ }
+ }
+ if ($allowed) {
+ $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
+ $syllabus{$_}.
+ '</textarea><input type="submit" name="storesyl" value="Store" />');
+ }
+ }
+ }
+ if ($allowed) {
+ $r->print('</form>');
+ }
+ if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
+ } else {
+ $r->print('<p>No syllabus information provided.</p>');
+ }
+ if ($target ne 'tex') {$r->print('</body></html>');} else {$r->print('\end{document}');}
return OK;
}