--- loncom/interface/lonsyllabus.pm 2003/02/10 20:03:13 1.12 +++ loncom/interface/lonsyllabus.pm 2006/08/01 13:55:07 1.53 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.12 2003/02/10 20:03:13 www Exp $ +# $Id: lonsyllabus.pm,v 1.53 2006/08/01 13:55:07 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,29 +34,60 @@ 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; - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; -# ------------------------------------------------------------ Print the screen - $r->print(< - -The LearningOnline Network with CAPA - -ENDDOCUMENT + my $target=$env{'form.grade_target'}; +# --------------------------------------------------- Get course info from URL my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri); -# Is this even a course? - my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); +# ------------------------------------------------------------ Get query string + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit','wrapperdisplay']); +# ----------------------------------------------------- Is this even a course? + my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); if ($homeserver eq 'no_host') { - $r->print('No syllabus available'); + &Apache::loncommon::content_type($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 + + my $rss_link = + &Apache::lonrss::rss_link('http://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss'); + + 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", + $externalsyllabus)); + } + return OK; + } + +# ------------------------------ The buck stops here: internal syllabus display # --------------------------------------------------------- The syllabus fields - my %syllabusfields=( + my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_instructorinfo' => 'Instructor Information', 'bbb_description' => 'Course Description', 'ccc_prereq' => 'Prerequisites', @@ -72,44 +103,115 @@ ENDDOCUMENT 'jjj_weblinks' => 'Web Links', 'kkk_textbook' => 'Textbook', 'lll_includeurl' => 'URLs To Include in Syllabus'); - # --------------------------------------------------------------- Force Student - &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'},['forcestudent']); my $forcestudent=''; - if ($ENV{'form.forcestudent'}) { $forcestudent='student'; }; + if ($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); - $r->print(&Apache::loncommon::bodytag - ("Syllabus",$forcestudent,'','',$cdom)); - $r->print('

'.$courseenv{'description'}.'

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

'); +# ----------------------------------------------------------------- Make header + if ($target ne 'tex') { + my $start_page = + &Apache::loncommon::start_page("Syllabus", $rss_link, + {'function' => $forcestudent, + 'domain' => $cdom, + 'force_register' => + $env{'form.register'},}); + + $r->print($start_page.'

'.$courseenv{'description'}.'

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

'); + } else { + $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'. + $Apache::lonnet::domaindescription{$cdom}.'}\\\\'); + } +# -------------------------------------------------------------- Announcements? + my $day = &Apache::lonannounce::showday(time,2, + &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)); + if ($target ne 'tex') { + $r->print($day. &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit)); + } else { + $r->print(&Apache::lonxml::xmlparse($r,'tex',$day)); + } + +# -------------------------------------------------------- Get course personnel + my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($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 ($env{'user.environment'}) { # does this user have privileges to post, etc? - if ($ENV{'request.course.id'}) { - $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}); - if ($forcestudent) { $allowed=0; } + if ($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) { $r->print('

'. -&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'

This syllabus can be publically viewed at http://'. +&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').'

'. - '

Show Student View'. + '

'.&mt('You can specify an external URL as Syllabus in the [_1].',''.&mt('Course Parameters').'').'

'. + '

'. +&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'})) { + if (($allowed) && ($env{'form.storesyl'})) { foreach (keys %syllabusfields) { - my $field=$ENV{'form.'.$_}; + my $field=$env{'form.'.$_}; + chomp($field); $field=~s/\s+$//s; - $field=&Apache::lonfeedback::clear_out_html($field,1); + $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=''; @@ -139,8 +241,8 @@ ENDDOCUMENT $syllabus{$_}=$field; } } - $syllabus{'uploaded.domain'}=$ENV{'user.domain'}; - $syllabus{'uploaded.name'}=$ENV{'user.name'}; + $syllabus{'uploaded.domain'}=$env{'user.domain'}; + $syllabus{'uploaded.name'}=$env{'user.name'}; $syllabus{'uploaded.lastmodified'}=time; &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum); } @@ -148,21 +250,27 @@ ENDDOCUMENT # ---------------------------------------------------------------- Get syllabus if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) { my $lastmod=$syllabus{'uploaded.lastmodified'}; - $lastmod=($lastmod?localtime($lastmod):'never'); - - $r->print('
Uploaded:'. - &Apache::loncommon::aboutmewrapper( - &Apache::loncommon::plainname($syllabus{'uploaded.name'}, + $lastmod=($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'}). - '
Last updated:'. - $lastmod. - '

'); + $syllabus{'uploaded.domain'}); + if ($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('

'); + $r->print(''. + ''); } + my @htmlids=(); foreach (sort keys %syllabusfields) { - if (($syllabus{$_}) || ($allowed)) { + if (($syllabus{$_}=~/\w/) || ($allowed)) { my $message=$syllabus{$_}; if ($_ eq 'lll_includeurl') { # this is the "included" field my $urls=$message; @@ -174,48 +282,65 @@ ENDDOCUMENT my $embstyle=&Apache::loncommon::fileembstyle($curfext); if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) { # make ssi call and remove everything but the body contents - $output= - ($filelink=~/^http\:/?&Apache::lonnet::externalssi($filelink): - &Apache::lonnet::ssi($filelink)); - $output=~s/^.*\]*\>//si; - $output=~s/\<\/body\s*\>.*$//si; + $output=&Apache::lonnet::ssi_body($filelink); } elsif ($embstyle eq 'img') { # embed as an image $output=''; } - $message.='

'.$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').'

'. - '

Show Student View'. + '

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

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

'.$syllabusfields{$_}.'

'. - $message.'
'); + if ($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(''); + $r->print(''. + &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids)); } - $r->print('

'); + 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('

');} + } + if ($target ne 'tex') { + $r->print(&Apache::loncommon::end_page()); } else { - $r->print('

No syllabus information provided.

'); + $r->print('\end{document}'); } - $r->print(''); return OK; } 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.