--- loncom/interface/lonsyllabus.pm 2002/08/27 15:40:27 1.3
+++ loncom/interface/lonsyllabus.pm 2003/02/10 15:19:43 1.10
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Syllabus
#
-# $Id: lonsyllabus.pm,v 1.3 2002/08/27 15:40:27 www Exp $
+# $Id: lonsyllabus.pm,v 1.10 2003/02/10 15:19:43 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -32,6 +32,7 @@ use strict;
use Apache::Constants qw(:common);
use Apache::loncommon;
use Apache::lonnet;
+use Apache::lontexconvert;
sub handler {
my $r = shift;
@@ -39,7 +40,6 @@ sub handler {
$r->send_http_header;
return OK if $r->header_only;
-
# ------------------------------------------------------------ Print the screen
$r->print(<<ENDDOCUMENT);
<html>
@@ -49,23 +49,168 @@ sub handler {
ENDDOCUMENT
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# Is this even a course?
- unless (&Apache::lonnet::homeserver($cnum,$cdom)) {
+ my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
+ if ($homeserver eq 'no_host') {
$r->print('<body>No syllabus available</body>');
return OK;
}
+# --------------------------------------------------------- The syllabus fields
+ my %syllabusfields=(
+ 'aaa_instructorinfo' => 'Instructor Information',
+ 'bbb_description' => 'Course Description',
+ 'ccc_prereq' => 'Prerequisites',
+ 'cdc_classhours' => 'Class Hours',
+ 'ddd_officehours' => 'Office Hours',
+ 'eee_helproom' => 'Helproom Hours',
+ 'efe_projectinfo' => 'Project Information',
+ 'fff_examinfo' => 'Exam Information',
+ 'fgf_deadlines' => 'Deadlines',
+ 'ggg_grading' => 'Grading Information',
+ 'hhh_readings' => 'Readings',
+ 'iii_coursepack' => 'Coursepack',
+ 'jjj_weblinks' => 'Web Links',
+ 'kkk_textbook' => 'Textbook',
+ 'lll_includeurl' => 'URLs To Include in Syllabus');
+
+# --------------------------------------------------------------- Force Student
+ &Apache::loncommon::get_unprocessed_cgi
+ ($ENV{'QUERY_STRING'},['forcestudent']);
+ my $forcestudent='';
+ if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
+
# ------------------------------------- There is such a course, get environment
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
- $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom));
+ $r->print(&Apache::loncommon::bodytag
+ ("Syllabus",$forcestudent,'','',$cdom));
$r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
$Apache::lonnet::domaindescription{$cdom}.'</h3>');
+ 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?
- my $allowed=0;
if ($ENV{'request.course.id'}) {
$allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
+ if ($forcestudent) { $allowed=0; }
+ }
+ if ($allowed) {
+ $r->print('<p>This syllabus can be publically 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">Show Student View</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=~s/\</\<\;/g;
+ $field=~s/\>/\>\;/g;
+ $syllabus{$_}=$field;
+ if ($_ 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?localtime($lastmod):'never');
+
+ $r->print('<table><tr><td>Uploaded:</td><td>'.
+ &Apache::loncommon::aboutmewrapper(
+ &Apache::loncommon::plainname($syllabus{'uploaded.name'},
+ $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
+ $syllabus{'uploaded.domain'}).
+ '</td></tr><tr><td>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') {
+# make ssi call and remove everything but the body contents
+ $output=&Apache::lonnet::ssi($filelink);
+ $output=~s/^.*\<body[^\>]*\>//si;
+ $output=~s/\<\/body\s*\>.*$//si;
+ } 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">Show Student View</a>'.
+ &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
+ } else {
+ $r->print($message);
+ }
+ } else {
+ $message=~s/\n/\<br \/\>/g;
+ $message
+ =~s/(http\:\/\/[^\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;