--- loncom/interface/lonsyllabus.pm 2006/03/06 22:17:48 1.45 +++ loncom/interface/lonsyllabus.pm 2007/07/27 00:17:17 1.60 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.45 2006/03/06 22:17:48 www Exp $ +# $Id: lonsyllabus.pm,v 1.60 2007/07/27 00:17:17 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,41 +38,52 @@ use Apache::lonannounce; use Apache::lonlocal; use Apache::lonhtmlcommon; use Apache::lonspeller(); +use HTML::Entities(); sub handler { my $r = shift; + &Apache::loncommon::content_type($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; - $r->print(''.&mt('No syllabus available').''); + &Apache::loncommon::simple_error_page($r,'No syllabus available', + 'No syllabus available'); return OK; } # ------------------------------------- There is such a course, get environment my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum); - - &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'}; - my $feedurl='feed://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss'; - if ($target ne 'tex') { - my $html=&Apache::lonxml::xmlbegin(); - $r->print(< -The LearningOnline Network with CAPA - -ENDDOCUMENT - } else { + + if ($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", + $externalsyllabus)); + } + return OK; + } + +# ------------------------------ The buck stops here: internal syllabus display # --------------------------------------------------------- The syllabus fields my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_instructorinfo' => 'Instructor Information', @@ -90,17 +101,6 @@ ENDDOCUMENT 'jjj_weblinks' => 'Web Links', 'kkk_textbook' => 'Textbook', 'lll_includeurl' => 'URLs To Include in Syllabus'); - -# ------------------------------------------------------------ Get query string - &Apache::loncommon::get_unprocessed_cgi - ($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'}) { $forcestudent='student'; }; @@ -109,25 +109,30 @@ ENDDOCUMENT # ----------------------------------------------------------------- Make header if ($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}.'

'); + 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{'. - $Apache::lonnet::domaindescription{$cdom}.'}\\\\'); + &Apache::lonnet::domain($cdom,'description').'}\\\\'); } # -------------------------------------------------------------- Announcements? + my $day = &Apache::lonannounce::showday(time,2, + &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)); if ($target ne 'tex') { - $r->print(&Apache::lonannounce::showday(time,2, - &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)). - &Apache::lonrss::advertisefeeds($cnum,$cdom)); + $r->print($day. &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit)); } else { - $r->print(&Apache::lonxml::xmlparse($r,'tex', - &Apache::lonannounce::showday(time,2, - &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)))); + $r->print(&Apache::lonxml::xmlparse($r,'tex',$day)); } + # -------------------------------------------------------- Get course personnel my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum); if ($target ne 'tex') { @@ -172,7 +177,9 @@ ENDDOCUMENT # ----------------------------------------------------- Only if not public call if ($env{'user.environment'}) { # does this user have privileges to post, etc? - if ($env{'request.course.id'}) { + 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)) { @@ -184,8 +191,9 @@ ENDDOCUMENT $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}.$r->uri.''. + &Apache::lonnet::hostname($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'). @@ -197,26 +205,29 @@ ENDDOCUMENT } } if (($allowed) && ($env{'form.storesyl'})) { - foreach (keys %syllabusfields) { - my $field=$env{'form.'.$_}; + foreach my $syl_field (keys(%syllabusfields)) { + my $field=$env{'form.'.$syl_field}; chomp($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 + $syllabus{$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; } } @@ -230,7 +241,7 @@ ENDDOCUMENT $field.=$url."\n"; } } - $syllabus{$_}=$field; + $syllabus{$syl_field}=$field; } } $syllabus{'uploaded.domain'}=$env{'user.domain'}; @@ -261,62 +272,60 @@ ENDDOCUMENT ''); } 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=''; + 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=~/\/$/)) { + my ($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') { + $output=&Apache::lonnet::ssi_body($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( - '
'); - } - } + $output=''; + } + if ($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(''. @@ -328,7 +337,11 @@ ENDDOCUMENT $r->print('No syllabus information provided.'); if ($target ne 'tex') {$r->print('

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