# The LearningOnline Network # Syllabus # # $Id: lonsyllabus.pm,v 1.32 2004/06/02 00:42:15 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; use Apache::lonhtmlcommon; 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 my $target=$ENV{'form.grade_target'}; if ($target ne 'tex') { $r->print(< The LearningOnline Network with CAPA ENDDOCUMENT } 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') { $r->print(''.&mt('No syllabus available').''); return OK; } # --------------------------------------------------------- The syllabus fields my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_instructorinfo' => 'Instructor Information', 'bbb_description' => 'Course Description', 'ccc_prereq' => 'Prerequisites', 'cdc_classhours' => 'Class Hours', 'ddd_officehours' => 'Office Hours', 'eee_helproom' => 'Helproom Hours', 'efe_projectinfo' => 'Project Information', 'fff_examinfo' => 'Exam Information', 'fgf_deadlines' => 'Deadlines', 'ggg_grading' => 'Grading Information', 'hhh_readings' => 'Readings', 'iii_coursepack' => 'Coursepack', 'jjj_weblinks' => 'Web Links', 'kkk_textbook' => 'Textbook', 'lll_includeurl' => 'URLs To Include in Syllabus'); # ------------------------------------------------------------ Get query string &Apache::loncommon::get_unprocessed_cgi ($ENV{'QUERY_STRING'},['forcestudent','register','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') { $r->print(&Apache::lonhtmlcommon::htmlareaheaders(). ''.&Apache::loncommon::bodytag ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'})); $r->print('

'.$courseenv{'description'}.'

'. $Apache::lonnet::domaindescription{$cdom}.'

'); } 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(''); } else { $r->print('\begin{tabular}{|c|c|}\hline'); } foreach (sort keys %coursepersonnel) { if ($target ne 'tex') { $r->print(''); } else { $r->print('\\\\ \hline'); } } if ($target ne 'tex') { $r->print('

'.$_.'

'); } 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('

'); } 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('

'. &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('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.'.$_}; $field=~s/\s+$//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('
'.&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('

'. ''); } foreach (sort keys %syllabusfields) { if (($syllabus{$_}=~/\w/) || ($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='

'; } $message.='

'.$output.'

'; } if ($allowed) { $r->print('

'.$syllabusfields{$_}. &Apache::loncommon::help_open_topic('Syllabus_URLs').'

'. '

'.&mt('Show Public View').''. &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'

'); } else { $r->print($message); } } else { $message=~s/\n/\
/g; $message =~s/(https*\:\/\/[^\s]+)/\\$1\<\/tt\>\<\/a\>/g; $message=&Apache::lontexconvert::msgtexconverted($message); if ($target ne 'tex') { $r->print('

'.$syllabusfields{$_}.'

'. $message.'

'); } else { $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'. &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\'); } } if ($allowed) { $r->print('
'); } } } if ($allowed) { $r->print(''. &Apache::lonhtmlcommon::htmlareaactive()); } if ($target ne 'tex') {$r->print('

');} else {$r->print('\\\\');} } else { $r->print('

No syllabus information provided.

'); } if ($target ne 'tex') {$r->print('');} else {$r->print('\end{document}');} return OK; } 1; __END__