--- loncom/interface/lonsyllabus.pm 2002/08/27 12:48:46 1.1
+++ loncom/interface/lonsyllabus.pm 2009/03/07 15:07:09 1.82
@@ -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 1.82 2009/03/07 15:07:09 neumanie Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,32 +29,405 @@
package Apache::lonsyllabus;
use strict;
+use Apache::lontemplate;
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();
+use HTML::Entities();
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;
+ 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');
+ $r->send_http_header;
+ &Apache::loncommon::simple_error_page($r,'No syllabus available',
+ 'No syllabus available');
+ return OK;
+ }
+# ------------------------------------- There is such a course, get environment
+ my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
# ------------------------------------------------------------ Print the screen
- $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'});
+
+ if ($target eq 'tex') {
+ $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
+ }
+# -------------------------------------------------- Let's see who handles this
+ my $externalsyllabus=$courseenv{'externalsyllabus'};
+
+ if ($externalsyllabus=~/\w/) {
+
+ if ($env{'form.wrapperdisplay'} eq 'menu') {
+ $r->print(&Apache::lonwrapper::simple_menu());
+ } else {
+ $r->print(&Apache::lonwrapper::wrapper("/public/$cdom/$cnum/syllabus?wrapperdisplay=menu",
+ $externalsyllabus));
+ }
+ return OK;
+ }
+
+# ------------------------------ The buck stops here: internal syllabus display
+# --------------------------------------------------------- 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');
+# --------------------------------------------------------------- Force Student
+ my $forcestudent='';
+ if ($env{'form.forcestudent'}) { $forcestudent='student'; };
+ my $forceedit='';
+ if ($env{'form.forceedit'}) { $forceedit='edit'; }
+
+# ----------------------------------------------------------------- Make header
+ if ($target ne 'tex') {
+ my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
+ my $js;
+ if ($env{'form.backto'} eq 'coursecatalog') {
+ $js .= <<"ENDSCRIPT";
+
+<script type="text/javascript">
+function ToCatalog(caller) {
+ numidx = getIndexByName('coursenum');
+ if (numidx > -1) {
+ if (caller != 'details') {
+ document.backtocat.elements[numidx].value = '';
+ }
+ }
+ document.backtocat.submit();
+}
+
+function getIndexByName(item) {
+ for (var i=0;i<document.backtocat.elements.length;i++) {
+ if (document.backtocat.elements[i].name == item) {
+ return i;
+ }
}
+ return -1;
+}
+
+</script>
+
+ENDSCRIPT
+ }
+ my $start_page =
+ &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
+ {'function' => $forcestudent,
+ 'domain' => $cdom,
+ 'force_register' =>
+ $env{'form.register'},});
- $r->print('</body></html>');
+ $r->print($start_page);
+ if ($env{'form.backto'} eq 'coursecatalog') {
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>"javascript:ToCatalog()",
+ text=>"Course Catalog"});
+ if ($env{'form.coursenum'} ne '') {
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>"javascript:ToCatalog('details')",
+ text=>"Course details"});
+ }
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({href=>$r->uri,
+ text=>"Course syllabus"});
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs());
+ }
+
+ }
+# ---------------------------------------------------------- Load syllabus info
+ my %syllabus=&Apache::lonnet::dump('syllabus',$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'}
+ && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
+ && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
+ $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+ $privileged=$allowed;
+ if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
+ $forcestudent='student';
+ }
+ if ($forcestudent or $target eq 'tex') { $allowed=0; }
+ }
+ if (($allowed) && ($env{'form.storesyl'})) {
+ foreach my $syl_field (keys(%syllabusfields)) {
+ my $field=$env{'form.'.$syl_field};
+ chomp($field);
+ $field=~s/\s+$//s;
+ $field=~s/^\s+//s;
+ $field=~s/\<br\s*\/*\>$//s;
+ $field=&Apache::lonfeedback::clear_out_html($field,1);
+ $syllabus{$syl_field}=$field;
+ if ($syl_field eq 'lll_includeurl') { # clean up included URLs
+ my $field='';
+ foreach my $value (split(/\n/,$syllabus{$syl_field})) {
+ my $url=$value;
+# get rid of leading and trailing spaces
+ $url=~s/^\s+//;
+ $url=~s/\s+$//;
+ if ($url=~m|^https?\://([^/]+)/(.+)$|) {
+ my $host = $1;
+ my $remainder=$2;
+# remove the hostname from internal URLs
+ my $hostname = &Apache::lonnet::hostname($host);
+ my %all_hostnames = &Apache::lonnet::all_hostnames();
+ foreach my $possible_host (keys(%all_hostnames)) {
+ if ($possible_host =~ /\Q$hostname\E/i) {
+ $url=$remainder;
+ }
+ }
+ }
+# norm internal URLs
+ unless ($url=~/^https?\:/) {
+ $url=&Apache::lonnet::clutter($url);
+ }
+# re-assemble field
+ if ($url) {
+ $field.=$url."\n";
+ }
+ }
+ $syllabus{$syl_field}=$field;
+ }
+ }
+ $syllabus{'uploaded.domain'}=$env{'user.domain'};
+ $syllabus{'uploaded.name'}=$env{'user.name'};
+ $syllabus{'uploaded.lastmodified'}=time;
+ &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
+ }
+ }
+#-Pritn Help Text
+if ($target ne 'tex') {
+ if($allowed){
+ $r->print(&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')));
+ }
+}
+#--------Functions
+if ($target ne 'tex') {
+ if($allowed || $privileged){
+ &Apache::lontemplate::print_start_page_functions($r);
+ if($allowed){
+ &Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.'?forcestudent=1">'.&mt('Show Public View').'</a>'.&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView'));
+ }elsif($privileged){
+ &Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.'?forceedit=1">'.&mt('Edit').'</a>');
+ }
+ &Apache::lontemplate::print_end_page_functions($r);
+ }
+ }
+#----------------------------Print Headtitle
+if($target ne 'tex'){
+ $r->print('<h1>'.$courseenv{'description'}.'</h1>');
+ $r->print('<h3>'. &Apache::lonnet::domain($cdom,'description').'</h3>');
+}else{
+ $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
+ &Apache::lonnet::domain($cdom,'description').'}\\\\');
+}
+# -------------------------------------------------------- Get course personnel
+ my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
+ if ($target ne 'tex') {
+ $r->print(&Apache::lonhtmlcommon::start_pick_box());
+ } else {
+ $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
+ }
+ my @personnel=sort(keys(%coursepersonnel));
+ my $lastpers=$personnel[$#personnel];
+ foreach my $element (@personnel) {
+ if ($target ne 'tex') {
+ $r->print(&Apache::lonhtmlcommon::row_title($element));
+ } else {
+ $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
+ }
+ foreach (split(/\,/,$coursepersonnel{$element})) {
+ my ($puname,$pudom)=split(/\:/,$_);
+ if ($target ne 'tex') {
+ my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
+ if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
+ ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
+ $r->print(' '.$courseperson);
+ } else {
+ $r->print(' '.&Apache::loncommon::aboutmewrapper($courseperson,
+ $puname,$pudom));
+ }
+ } else {
+ $r->print(' '.&Apache::loncommon::plainname($puname,
+ $pudom).' ');
+ }
+ }
+ if ($target ne 'tex') {
+ my $lastclose=$element eq $lastpers?1:0;
+ $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
+ } else {
+ $r->print('\\\\ \hline');
+ }
+ }
+ if ($target ne 'tex') {
+ $r->print(&Apache::lonhtmlcommon::end_pick_box());
+ } else {
+ $r->print('\end{tabular}\\\\');
+ }
+#----------Print last update
+ 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>'.
+ $lastmod.'</td><td>'.
+ ($who ? &mt('by').' '.$who
+ : '' ).
+ '</td></tr></table>');
+ } else {
+ $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
+ ($who? &mt('by').'\\\\ '.
+ &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
+ :'')
+ .'\\\\');
+ }
+#---------------------Print Extern URL Course Info
+if( ($allowed) && ($target ne 'tex') ) {
+ my $protocol = $Apache::lonnet::protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ $r->print('<p>'.&mt('This syllabus can be publicly viewed at').' <tt>'.$protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri.'</tt>'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.'<p>'.&mt('You can specify an external URL as Syllabus in the [_1].','<a href="/adm/parmset?action=crsenv">'.&mt('Course Parameters').'</a>').'</p>');
+}
+# -------------------------------------------------------------- Announcements?
+ my $day = &Apache::lonannounce::showday(time,2,
+ &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
+ if ($target ne 'tex') {
+ if($allowed){
+ &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_ContentBoxSpecial');
+ $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
+ &Apache::lontemplate::print_end_template($r);
+ }
+ elsif(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
+ &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_ContentBoxSpecial');
+ $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
+ &Apache::lontemplate::print_end_template($r);
+ }
+
+ } else {
+ $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
+ }
+# ---------------------------------------------------------------- Get syllabus
+ if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
+ if ($allowed) {
+ $r->print('<form method="post">'.
+ '<input type="hidden" name="forceedit" value="edit" />');
+ }
+ my @htmlids=();
+
+ foreach my $field (sort(keys(%syllabusfields))) {
+ if (($syllabus{$field}=~/\w/) || ($allowed)) {
+ my $message=$syllabus{$field};
+ if ($field 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.'" />';
+ }
+ if($output ne ''){
+ if ($target ne 'tex') {
+ $message.='<p>'.$output.'</p>';
+ } else {
+ $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
+ }
+ }
+ }
+ if ($allowed) {
+ $r->print('<h3>'.$syllabusfields{$field}.
+ &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>');
+ } else {
+ $r->print($message);
+ }
+ } else {
+ &Apache::lonfeedback::newline_to_br(\$message);
+ $message =~s|(https?\://[^\s]+)|<a href="$1"><tt>$1</tt></a>|g;
+ if ($allowed) {
+ $message=&Apache::lonspeller::markeduptext($message);
+ }
+ $message=&Apache::lontexconvert::msgtexconverted($message);
+ if ($target ne 'tex') {
+ if($allowed){
+ $r->print('<p>');
+ }
+ &Apache::lontemplate::print_template($r, $syllabusfields{$field}, $message,$allowed,'LC_ContentBoxSpecial');
+ } else {
+ $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
+ &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
+ }
+ push(@htmlids,$field);
+ }
+ if ($allowed) {
+ if($target ne 'tex'){
+ $r->print('</p>');
+ &Apache::lontemplate::print_editbox_template($r, $syllabus{$field}, $field);
+ }
+
+ }
+ }
+ }
+
+ if ($allowed) {
+ $r->print('</form>'.
+ &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
+ }
+ # if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
+ } else {
+ if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');}
+ $r->print(&mt('No syllabus information provided.'));
+ if ($target ne 'tex') {$r->print('</p>');}
+ }
+ if ($target ne 'tex') {
+ if ($env{'form.backto'} eq 'coursecatalog') {
+ $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
+ &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
+ '</form>');
+ }
+ $r->print(&Apache::loncommon::end_page());
+ } else {
+ $r->print('\end{document}');
+ }
return OK;
}