--- loncom/interface/lonsyllabus.pm 2002/08/27 15:40:27 1.3 +++ loncom/interface/lonsyllabus.pm 2003/02/10 14:44:36 1.9 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.3 2002/08/27 15:40:27 www Exp $ +# $Id: lonsyllabus.pm,v 1.9 2003/02/10 14:44:36 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -32,6 +32,7 @@ use strict; use Apache::Constants qw(:common); use Apache::loncommon; use Apache::lonnet; +use Apache::lontexconvert; sub handler { my $r = shift; @@ -39,7 +40,6 @@ sub handler { $r->send_http_header; return OK if $r->header_only; - # ------------------------------------------------------------ Print the screen $r->print(< @@ -49,23 +49,166 @@ sub handler { ENDDOCUMENT my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri); # Is this even a course? - unless (&Apache::lonnet::homeserver($cnum,$cdom)) { + my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); + if ($homeserver eq 'no_host') { $r->print('No syllabus available'); return OK; } +# --------------------------------------------------------- The syllabus fields + my %syllabusfields=( + 'aaa_instructorinfo' => 'Instructor Information', + 'bbb_description' => 'Course Description', + 'ccc_prereq' => 'Prerequisites', + 'cdc_classhours' => 'Class Hours', + 'ddd_officehours' => 'Office Hours', + 'eee_helproom' => 'Helproom Hours', + 'efe_projectinfo' => 'Project Information', + 'fff_examinfo' => 'Exam Information', + 'fgf_deadlines' => 'Deadlines', + 'ggg_grading' => 'Grading Information', + 'hhh_readings' => 'Readings', + 'iii_coursepack' => 'Coursepack', + 'jjj_weblinks' => 'Web Links', + 'kkk_textbook' => 'Textbook', + 'lll_includeurl' => 'URLs To Include in Syllabus'); + +# --------------------------------------------------------------- Force Student + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['forcestudent']); + my $forcestudent=''; + if ($ENV{'form.forcestudent'}) { $forcestudent='student'; }; + # ------------------------------------- There is such a course, get environment my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum); - $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom)); + $r->print(&Apache::loncommon::bodytag + ("Syllabus",$forcestudent,'','',$cdom)); $r->print('

'.$courseenv{'description'}.'

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

'); + my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); + my $allowed=0; + # This handler might be called anonymously ... # ----------------------------------------------------- Only if not public call if ($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 ($forcestudent) { $allowed=0; } + } + if ($allowed) { + $r->print('

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

'. + '

Show Student View

'); + } + if (($allowed) && ($ENV{'form.storesyl'})) { + foreach (keys %syllabusfields) { + my $field=$ENV{'form.'.$_}; + $field=~s/\s+$//s; + $field=~s/\/\>\;/g; + $syllabus{$_}=$field; + if ($_ 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?localtime($lastmod):'never'); + + $r->print('
Uploaded:'. + &Apache::loncommon::aboutmewrapper( + &Apache::loncommon::plainname($syllabus{'uploaded.name'}, + $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'}, + $syllabus{'uploaded.domain'}). + '
Last updated:'. + $lastmod. + '

'); + if ($allowed) { + $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 $output=''; +# embed style? + my ($curfext)=($filelink=~/\.([^\.]+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($curfext); + if ($embstyle eq 'ssi') { +# 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') { +# 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) { + $r->print('
'); + } + } + } + if ($allowed) { + $r->print(''); } + $r->print('

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

No syllabus information provided.

'); } $r->print(''); return OK;