--- loncom/interface/lonsyllabus.pm 2003/02/10 14:44:36 1.9 +++ loncom/interface/lonsyllabus.pm 2008/01/16 17:13:57 1.63 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.9 2003/02/10 14:44:36 www Exp $ +# $Id: lonsyllabus.pm,v 1.63 2008/01/16 17:13:57 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -33,29 +33,59 @@ 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; -# ------------------------------------------------------------ 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 + + 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", + $externalsyllabus)); + } + return OK; + } + +# ------------------------------ The buck stops here: internal syllabus display # --------------------------------------------------------- The syllabus fields - my %syllabusfields=( + my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_instructorinfo' => 'Instructor Information', 'bbb_description' => 'Course Description', 'ccc_prereq' => 'Prerequisites', @@ -71,54 +101,133 @@ ENDDOCUMENT 'jjj_weblinks' => 'Web Links', 'kkk_textbook' => 'Textbook', 'lll_includeurl' => 'URLs To Include in Syllabus'); - # --------------------------------------------------------------- Force Student - &Apache::loncommon::get_unprocessed_cgi - ($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 $rss_link = &Apache::lonrss::rss_link($cnum,$cdom); + 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::domain($cdom,'description').'

'); + } else { + $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'. + &Apache::lonnet::domain($cdom,'description').'}\\\\'); + } +# -------------------------------------------------------------- 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(&Apache::loncommon::start_data_table()); + } else { + $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline'); + } + foreach my $element (sort keys %coursepersonnel) { + if ($target ne 'tex') { + $r->print(&Apache::loncommon::start_data_table_row(). + ''.$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(''.&Apache::loncommon::end_data_table_row()); + } else { + $r->print('\\\\ \hline'); + } + } + if ($target ne 'tex') { + $r->print(&Apache::loncommon::end_data_table()); + } 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('

This syllabus can be publically viewed at http://'. - $Apache::lonnet::hostname{$homeserver}.$r->uri.'

'. - '

Show Student View

'); + $r->print('

'. +&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('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('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'})) { - foreach (keys %syllabusfields) { - my $field=$ENV{'form.'.$_}; + if (($allowed) && ($env{'form.storesyl'})) { + foreach my $syl_field (keys(%syllabusfields)) { + my $field=$env{'form.'.$syl_field}; + chomp($field); $field=~s/\s+$//s; - $field=~s/\/\>\;/g; - $syllabus{$_}=$field; - if ($_ eq 'lll_includeurl') { # clean up included URLs + $field=~s/^\s+//s; + $field=~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 $field=''; - foreach (split(/\n/,$syllabus{$_})) { - my $url=$_; + 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 ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) { + if ($url=~m|^http://([^/]+)/(.+)$|) { + my $host = $1; my $remainder=$2; # remove the hostname from internal URLs - foreach (keys %Apache::lonnet::hostname) { - if ($1=~/$Apache::lonnet::hostname{$_}/i) { + 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; } } @@ -132,11 +241,11 @@ ENDDOCUMENT $field.=$url."\n"; } } - $syllabus{$_}=$field; + $syllabus{$syl_field}=$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,$cnum); } @@ -144,73 +253,99 @@ ENDDOCUMENT # ---------------------------------------------------------------- Get syllabus if (($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').':'. + $lastmod.''. + ($who ? &mt('by').' '.$who + : '' ). + '

'); + } else { + $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '. + ($who? &mt('by').'\\\\ '. + &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'}) + :'') + .'\\\\'); + } if ($allowed) { - $r->print('

'); + $r->print(''. + ''); } - foreach (sort keys %syllabusfields) { - if (($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=''; + 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 ($embstyle eq 'ssi') { + my ($curfext)=($filelink=~/\.([^\.]+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($curfext); + if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) { # make ssi call and remove everything but the body contents - $output=&Apache::lonnet::ssi($filelink); - $output=~s/^.*\]*\>//si; - $output=~s/\<\/body\s*\>.*$//si; - } elsif ($embstyle eq 'img') { + $output=&Apache::lonnet::ssi_body($filelink); + } elsif ($embstyle eq 'img') { # embed as an image - $output=''; - } - $message.='

'.$output.'

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

'.$syllabusfields{$_}. - '

URLs provided will be included into the page output.'. - '
Format:
'.
-	     "http://www.foo.org/foo.html\n/res/foo/author/foo.html\n
". - '

Show Student View

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

'.$syllabusfields{$_}.'

'. - $message.'
'); - } - if ($allowed) { - $r->print('
'); - } - } + $output=''; + } + if ($target ne 'tex') { + $message.='

'.$output.'

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

'.$output.'

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

'.$syllabusfields{$field}. + &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]+)|$1|g; + if ($allowed) { + $message=&Apache::lonspeller::markeduptext($message); + } + $message=&Apache::lontexconvert::msgtexconverted($message); + if ($target ne 'tex') { + $r->print('

'.$syllabusfields{$field}.'

'. + $message.'
'); + } else { + $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'. + &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\'); + } + push(@htmlids,$field); + } + 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 ');} + $r->print(&mt('No syllabus information provided.')); + if ($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; }