--- loncom/interface/lonsyllabus.pm 2002/08/27 15:17:45 1.2 +++ loncom/interface/lonsyllabus.pm 2006/03/06 22:17:48 1.45 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.2 2002/08/27 15:17:45 www Exp $ +# $Id: lonsyllabus.pm,v 1.45 2006/03/06 22:17:48 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -32,36 +32,303 @@ 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; +use Apache::lonspeller(); sub handler { my $r = shift; - $r->content_type('text/html'); + +# --------------------------------------------------- Get course info from URL + my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri); +# ----------------------------------------------------- Is this even a course? + my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); + if ($homeserver eq 'no_host') { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + $r->print(''.&mt('No syllabus available').''); + return OK; + } +# ------------------------------------- There is such a course, get environment + my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum); + + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; - - # ------------------------------------------------------------ Print the screen - $r->print(< + my $target=$env{'form.grade_target'}; + my $feedurl='feed://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss'; + if ($target ne 'tex') { + my $html=&Apache::lonxml::xmlbegin(); + $r->print(< The LearningOnline Network with CAPA - + ENDDOCUMENT - my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri); - my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum); - $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom)); - $r->print('

'.$courseenv{'description'}.'

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

'); + } else { + $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'})); + } + +# --------------------------------------------------------- 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'}) { $forceedit='edit'; } + +# ----------------------------------------------------------------- Make header + if ($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? + if ($target ne 'tex') { + $r->print(&Apache::lonannounce::showday(time,2, + &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)). + &Apache::lonrss::advertisefeeds($cnum,$cdom)); + } else { + $r->print(&Apache::lonxml::xmlparse($r,'tex', + &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}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline'); + } + foreach my $element (sort keys %coursepersonnel) { + if ($target ne 'tex') { + $r->print(''); + } else { + $r->print('\\\\ \hline'); + } + } + if ($target ne 'tex') { + $r->print('
'.$element.''); + } else { + $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & '); + } + foreach (split(/\,/,$coursepersonnel{$element})) { + my ($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'}) { + 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 ($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.'.$_}; + chomp($field); + $field=~s/\s+$//s; + $field=~s/^\s+//s; + $field=~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('

'. + ''); + } + my @htmlids=(); + 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 + $output=''; + } + if ($target ne 'tex') { + $message.='

'.$output.'

'; + } else { + $message.=' '.&Apache::lonxml::xmlparse($r,'tex','

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

'.$syllabusfields{$_}.'

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

');} else {$r->print('\\\\');} + } else { + if ($target ne 'tex') {$r->print('

');} else {$r->print('\par ');} + $r->print('No syllabus information provided.'); + if ($target ne 'tex') {$r->print('

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