--- loncom/homework/grades.pm 2002/07/01 21:20:29 1.34 +++ loncom/homework/grades.pm 2008/11/20 15:19:15 1.531 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.34 2002/07/01 21:20:29 ng Exp $ +# $Id: grades.pm,v 1.531 2008/11/20 15:19:15 jms Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,13 +25,8 @@ # # http://www.lon-capa.org/ # -# 2/9,2/13 Guy Albertelli -# 6/8 Gerd Kortemeyer -# 7/26 H.K. Ng -# 8/20 Gerd Kortemeyer -# Year 2002 -# June 2002 H.K. Ng -# + + package Apache::grades; use strict; @@ -39,833 +34,3609 @@ use Apache::style; use Apache::lonxml; use Apache::lonnet; use Apache::loncommon; +use Apache::lonhtmlcommon; +use Apache::lonnavmaps; use Apache::lonhomework; +use Apache::lonpickcode; +use Apache::loncoursedata; +use Apache::lonmsg(); use Apache::Constants qw(:common); +use Apache::lonlocal; +use Apache::lonenc; +use String::Similarity; +use LONCAPA; + +use POSIX qw(floor); + + + +my %perm=(); + +# These variables are used to recover from ssi errors + +my $ssi_retries = 5; +my $ssi_error; +my $ssi_error_resource; +my $ssi_error_message; + + +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); + if ($response->is_error) { + $ssi_error = 1; + $ssi_error_resource = $resource; + $ssi_error_message = $response->code . " " . $response->message; + } + + return $content; -sub moreinfo { - my ($request,$reason) = @_; - $request->print("Unable to process request: $reason"); - if ( $Apache::grades::viewgrades eq 'F' ) { - $request->print('
'."\n"); - if ($ENV{'form.url'}) { - $request->print(''."\n"); - } - if ($ENV{'form.symb'}) { - $request->print(''."\n"); - } - $request->print(''."\n"); - $request->print("Student:".''."
\n"); - $request->print("Domain:".''."
\n"); - $request->print(''."
\n"); - $request->print('
'); - } - return ''; } +# +# Prodcuces an ssi retry failure error message to the user: +# -sub verifyreceipt { - my $request=shift; - my $courseid=$ENV{'request.course.id'}; -# my $cdom=$ENV{"course.$courseid.domain"}; -# my $cnum=$ENV{"course.$courseid.num"}; - my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'. - $ENV{'form.receipt'}; - $receipt=~s/[^\-\d]//g; - my $symb=$ENV{'form.symb'}; - unless ($symb) { - $symb=&Apache::lonnet::symbread($ENV{'form.url'}); - } - if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) { - $request->print('

Verifying Submission Receipt '.$receipt.'

'); - my $matches=0; - my ($classlist) = &getclasslist('all','0'); - foreach my $student ( sort(@{ $$classlist{'all'} }) ) { - my ($uname,$udom)=split(/\:/,$student); - if ($receipt eq - &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) { - $request->print('Matching '.$student.'
'); - $matches++; - } - } - $request->printf('

'.$matches." match%s

",$matches <= 1 ? '' : 'es'); -# needs to print who is matched +sub ssi_print_error { + my ($r) = @_; + my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); + $r->print(' +
+

'.&mt('An unrecoverable network error occurred:').'

+

+'.&mt('Unable to retrieve a resource from a server:').'
+'.&mt('Resource:').' '.$ssi_error_resource.'
+'.&mt('Error:').' '.$ssi_error_message.' +

+

'. +&mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'
'. +&mt('If the error persists, please contact the [_1] for assistance.',$helpurl). +'

'); + return; +} + +# +# --- Retrieve the parts from the metadata file.--- +sub getpartlist { + my ($symb) = @_; + + my $navmap = Apache::lonnavmaps::navmap->new(); + my $res = $navmap->getBySymb($symb); + my $partlist = $res->parts(); + my $url = $res->src(); + my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys')); + + my @stores; + foreach my $part (@{ $partlist }) { + foreach my $key (@metakeys) { + if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); } + } } - return ''; + return @stores; } -sub student_gradeStatus { - my ($url,$udom,$uname) = @_; - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname); - foreach my $part (&getpartlist($url)) { - my ($temp,$part,$type)=split(/_/,$part); - if ($type eq 'solved') { - my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2); - $status = 'partial' if ($foo =~ /^partially/); - $status = 'nothing' if ($status eq ''); - return $type,$status; +# --- Get the symbolic name of a problem and the url +sub get_symb { + my ($request,$silent) = @_; + (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; + my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url))); + if ($symb eq '') { + if (!$silent) { + $request->print("Unable to handle ambiguous references:$url:."); + return (); + } } - } - return ''; + &Apache::lonenc::check_decrypt(\$symb); + return ($symb); } -sub get_fullname { - my ($sname,$sdom) = @_; - my %name=&Apache::lonnet::get('environment', ['lastname','generation', - 'firstname','middlename'], - $sdom,$sname); - my $fullname; - my ($tmp) = keys(%name); - if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - $fullname=$name{'lastname'}.$name{'generation'}; - if ($fullname =~ /[^\s]+/) { $fullname.=', '; } - $fullname.=$name{'firstname'}.' '.$name{'middlename'}; +#--- Format fullname, username:domain if different for display +#--- Use anywhere where the student names are listed +sub nameUserString { + my ($type,$fullname,$uname,$udom) = @_; + if ($type eq 'header') { + return ' '.&mt('Fullname').' ('.&mt('Username').')'; + } else { + return ' '.$fullname.' ('.$uname. + ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')'; } - return $fullname; } -sub listStudents { - my ($request) = shift; - my $cdom =$ENV{"course.$ENV{'request.course.id'}.domain"}; - my $cnum =$ENV{"course.$ENV{'request.course.id'}.num"}; - my $getsec =$ENV{'form.section'}; - my $submitonly=$ENV{'form.submitonly'}; - - $request->print(< View Submissions for a Student or a Group of Students - Resource: $ENV{'form.url'}

-
 View Options
- View Problem: no - yes -   Submissions: last - all - - -
- - - - -ENDTABLEST - if ($ENV{'form.url'}) { - $request->print(''."\n"); - } - if ($ENV{'form.symb'}) { - $request->print(''."\n"); - } - $request->print(''."\n"); +#--- Get the partlist and the response type for a given problem. --- +#--- Indicate if a response type is coded handgraded or not. --- +sub response_type { + my ($symb) = shift; + + my $navmap = Apache::lonnavmaps::navmap->new(); + my $res = $navmap->getBySymb($symb); + my $partlist = $res->parts(); + my %vPart = + map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart')); + my (%response_types,%handgrade); + foreach my $part (@{ $partlist }) { + next if (%vPart && !exists($vPart{$part})); + + my @types = $res->responseType($part); + my @ids = $res->responseIds($part); + for (my $i=0; $i < scalar(@ids); $i++) { + $response_types{$part}{$ids[$i]} = $types[$i]; + $handgrade{$part.'_'.$ids[$i]} = + &Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i]. + '.handgrade',$symb); + } + } + return ($partlist,\%handgrade,\%response_types); +} - my ($classlist) = &getclasslist($getsec,'0'); - foreach my $student ( sort(@{ $$classlist{$getsec} }) ) { - my ($sname,$sdom) = split(/:/,$student); - my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname); - next if ($status eq 'nothing' && $submitonly eq 'yes'); - - my $fullname = &get_fullname($sname,$sdom); - if ( $Apache::grades::viewgrades eq 'F' ) { - $request->print("\n".''. - ''."\n". - ''."\n". - ''."\n". - ''."\n"); - $request->print(''."\n"); +sub flatten_responseType { + my ($responseType) = @_; + my @part_response_id = + map { + my $part = $_; + map { + [$part,$_] + } sort(keys(%{ $responseType->{$part} })); + } sort(keys(%$responseType)); + return @part_response_id; +} - $request->print(''); - } - } - $request->print('
 Select  Username  Fullname  Domain  Grade Status 
 '.$sname.'  '.$fullname.'  '.$sdom.'  '.$status.' 
'); - $request->print(''); +sub get_display_part { + my ($partID,$symb)=@_; + my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb); + if (defined($display) and $display ne '') { + $display.= " (id $partID)"; + } else { + $display=$partID; + } + return $display; } -sub processGroup { - my ($request) = shift; - my $ctr = 0; - my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}} - : ($ENV{'form.stuinfo'}) ); - my $total = scalar(@stuchecked)-1; - foreach my $student (@stuchecked) { - my ($sname,$sdom,$fullname) = split(/:/,$student); - $ENV{'form.student'} = $sname; - $ENV{'form.fullname'} = $fullname; - &submission($request,$ctr,$total); - $ctr++; - } +#--- Show resource title +#--- and parts and response type +sub showResourceInfo { + my ($symb,$probTitle,$checkboxes) = @_; + my $col=3; + if ($checkboxes) { $col=4; } + my $result = '

'.&mt('Current Resource').': '.$probTitle.'

'."\n"; + $result .=''; + my ($partlist,$handgrade,$responseType) = &response_type($symb); + my %resptype = (); + my $hdgrade='no'; + my %partsseen; + foreach my $partID (sort(keys(%$responseType))) { + foreach my $resID (sort(keys(%{ $responseType->{$partID} }))) { + my $handgrade=$$handgrade{$partID.'_'.$resID}; + my $responsetype = $responseType->{$partID}->{$resID}; + $hdgrade = $handgrade if ($handgrade eq 'yes'); + $result.=''; + if ($checkboxes) { + if (exists($partsseen{$partID})) { + $result.=""; + } else { + $result.=""; + } + $partsseen{$partID}=1; + } + my $display_part=&get_display_part($partID,$symb); + $result.=''. + ''; +# ''; + } + } + $result.='
 '.&mt('Part: [_1]',$display_part).' '. + $resID.''.&mt('Type: [_1]',$responsetype).'
'.&mt('Handgrade: [_1]',$handgrade).'
'."\n"; + return $result,$responseType,$hdgrade,$partlist,$handgrade; +} - return 'The End'; +sub reset_caches { + &reset_analyze_cache(); + &reset_perm(); } -#FIXME - needs to handle multiple matches -sub finduser { - my ($name) = @_; - my $domain = ''; - - if ( $Apache::grades::viewgrades eq 'F' ) { - #get classlist -# my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'}); - #print "Found $cdom:$cnum
"; - my ($classlist) = &getclasslist('all','0'); - foreach my $student ( sort(@{ $$classlist{'all'} }) ) { - my ($posname,$posdomain) = split(/:/,$student); - if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; } - } - return ($name,$domain); - } else { - return ($ENV{'user.name'},$ENV{'user.domain'}); - } +{ + my %analyze_cache; + + sub reset_analyze_cache { + undef(%analyze_cache); + } + + sub get_analyze { + my ($symb,$uname,$udom,$no_increment)=@_; + my $key = "$symb\0$uname\0$udom"; + return $analyze_cache{$key} if (exists($analyze_cache{$key})); + + my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); + $url=&Apache::lonnet::clutter($url); + my $subresult=&ssi_with_retries($url, $ssi_retries, + ('grade_target' => 'analyze', + 'grade_domain' => $udom, + 'grade_symb' => $symb, + 'grade_courseid' => + $env{'request.course.id'}, + 'grade_username' => $uname, + 'grade_noincrement' => $no_increment)); + (undef,$subresult)=split(/_HASH_REF__/,$subresult,2); + my %analyze=&Apache::lonnet::str2hash($subresult); + return $analyze_cache{$key} = \%analyze; + } + + sub get_order { + my ($partid,$respid,$symb,$uname,$udom,$no_increment)=@_; + my $analyze = &get_analyze($symb,$uname,$udom,$no_increment); + return $analyze->{"$partid.$respid.shown"}; + } + + sub get_radiobutton_correct_foil { + my ($partid,$respid,$symb,$uname,$udom)=@_; + my $analyze = &get_analyze($symb,$uname,$udom); + foreach my $foil (@{&get_order($partid,$respid,$symb,$uname,$udom)}) { + if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') { + return $foil; + } + } + } +} + +#--- Clean response type for display +#--- Currently filters option/rank/radiobutton/match/essay/Task +# response types only. +sub cleanRecord { + my ($answer,$response,$symb,$partid,$respid,$record,$order,$version, + $uname,$udom) = @_; + my $grayFont = ''; + if ($response =~ /^(option|rank)$/) { + my %answer=&Apache::lonnet::str2hash($answer); + my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"}); + my ($toprow,$bottomrow); + foreach my $foil (@$order) { + if ($grading{$foil} == 1) { + $toprow.=''.$answer{$foil}.' '; + } else { + $toprow.=''.$answer{$foil}.' '; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $grayFont.$bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'match') { + my %answer=&Apache::lonnet::str2hash($answer); + my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"}); + my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"}); + my ($toprow,$middlerow,$bottomrow); + foreach my $foil (@$order) { + my $item=shift(@items); + if ($grading{$foil} == 1) { + $toprow.=''.$item.' '; + $middlerow.=''.$grayFont.$answer{$foil}.' '; + } else { + $toprow.=''.$item.' '; + $middlerow.=''.$grayFont.$answer{$foil}.' '; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $middlerow.''. + ''. + $bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Item ID').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'radiobutton') { + my %answer=&Apache::lonnet::str2hash($answer); + my ($toprow,$bottomrow); + my $correct = + &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom); + foreach my $foil (@$order) { + if (exists($answer{$foil})) { + if ($foil eq $correct) { + $toprow.=''.&mt('true').''; + } else { + $toprow.=''.&mt('true').''; + } + } else { + $toprow.=''.&mt('false').''; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $grayFont.$bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'essay') { + if (! exists ($env{'form.'.$symb})) { + my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade', + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'}); + + my $loginuser = $env{'user.name'}.':'.$env{'user.domain'}; + $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : ''; + $env{'form.kwclr'} = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red'; + $env{'form.kwsize'} = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0'; + $env{'form.kwstyle'} = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : ''; + $env{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob. + } + $answer =~ s-\n-
-g; + return '

'.&keywords_highlight($answer).'
'; + } elsif ( $response eq 'organic') { + my $result='Smile representation: "'.$answer.'"'; + my $jme=$record->{$version."resource.$partid.$respid.molecule"}; + $result.=&Apache::chemresponse::jme_img($jme,$answer,400); + return $result; + } elsif ( $response eq 'Task') { + if ( $answer eq 'SUBMITTED') { + my $files = $record->{$version."resource.$respid.$partid.bridgetask.portfiles"}; + my $result = &Apache::bridgetask::file_list($files,$uname,$udom); + return $result; + } elsif ( grep(/^\Q$version\E.*?\.instance$/, keys(%{$record})) ) { + my @matches = grep(/^\Q$version\E.*?\.instance$/, + keys(%{$record})); + return join('
',($version,@matches)); + + + } else { + my $result = + '

' + .&mt('Overall result: [_1]', + $record->{$version."resource.$respid.$partid.status"}) + .'

'; + + $result .= ''; + return $result; + } + } elsif ( $response =~ m/(?:numerical|formula)/) { + $answer = + &Apache::loncommon::format_previous_attempt_value('submission', + $answer); + } + return $answer; } +#-- A couple of common js functions +sub commonJSfunctions { + my $request = shift; + $request->print(< + function radioSelection(radioButton) { + var selection=null; + if (radioButton.length > 1) { + for (var i=0; i 1) { + for (var i=0; i +COMMONJSFUNCTIONS +} + +#--- Dumps the class list with usernames,list of sections, +#--- section, ids and fullnames for each user. sub getclasslist { - my ($getsec,$hideexpired) = @_; - my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'}); - my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum); - my $now = time; - my (@holdsec,@sections); - foreach my $student (keys(%classlist)) { - my ($end,$start)=split(/:/,$classlist{$student}); - # still a student? - if (($hideexpired) && ($end) && ($end < $now)) { - next; - } - my ($unam,$udom) = split(/:/,$student,2); - my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'}); - push @holdsec,$section; - push (@{ $classlist{$getsec} }, $student) if ($getsec eq 'all' or $getsec == $section); - } - my %seen = (); - foreach my $item (@holdsec) { - push (@sections, $item) unless $seen{$item}++; - } - return (\%classlist,\@sections); + my ($getsec,$filterlist,$getgroup) = @_; + my @getsec; + my @getgroup; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + if (!ref($getsec)) { + if ($getsec ne '' && $getsec ne 'all') { + @getsec=($getsec); + } + } else { + @getsec=@{$getsec}; + } + if (grep(/^all$/,@getsec)) { undef(@getsec); } + if (!ref($getgroup)) { + if ($getgroup ne '' && $getgroup ne 'all') { + @getgroup=($getgroup); + } + } else { + @getgroup=@{$getgroup}; + } + if (grep(/^all$/,@getgroup)) { undef(@getgroup); } + + my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); + # Bail out if we were unable to get the classlist + return if (! defined($classlist)); + &Apache::loncoursedata::get_group_memberships($classlist,$keylist); + # + my %sections; + my %fullnames; + foreach my $student (keys(%$classlist)) { + my $end = + $classlist->{$student}->[&Apache::loncoursedata::CL_END()]; + my $start = + $classlist->{$student}->[&Apache::loncoursedata::CL_START()]; + my $id = + $classlist->{$student}->[&Apache::loncoursedata::CL_ID()]; + my $section = + $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()]; + my $fullname = + $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()]; + my $status = + $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()]; + my $group = + $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()]; + # filter students according to status selected + if ($filterlist && (!($stu_status =~ /Any/))) { + if (!($stu_status =~ $status)) { + delete($classlist->{$student}); + next; + } + } + # filter students according to groups selected + my @stu_groups = split(/,/,$group); + if (@getgroup) { + my $exclude = 1; + foreach my $grp (@getgroup) { + foreach my $stu_group (@stu_groups) { + if ($stu_group eq $grp) { + $exclude = 0; + } + } + if (($grp eq 'none') && !$group) { + $exclude = 0; + } + } + if ($exclude) { + delete($classlist->{$student}); + } + } + $section = ($section ne '' ? $section : 'none'); + if (&canview($section)) { + if (!@getsec || grep(/^\Q$section\E$/,@getsec)) { + $sections{$section}++; + if ($classlist->{$student}) { + $fullnames{$student}=$fullname; + } + } else { + delete($classlist->{$student}); + } + } else { + delete($classlist->{$student}); + } + } + my %seen = (); + my @sections = sort(keys(%sections)); + return ($classlist,\@sections,\%fullnames); } -sub getpartlist { - my ($url) = @_; - my @parts =(); - my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys')); - foreach my $key (@metakeys) { - if ( $key =~ m/stores_([0-9]+)_.*/) { - push(@parts,$key); +sub canmodify { + my ($sec)=@_; + if ($perm{'mgr'}) { + if (!defined($perm{'mgr_section'})) { + # can modify whole class + return 1; + } else { + if ($sec eq $perm{'mgr_section'}) { + #can modify the requested section + return 1; + } else { + # can't modify the request section + return 0; + } + } } - } - return @parts; + #can't modify + return 0; } -sub viewstudentgrade { - my ($url,$symb,$courseid,$student,@parts) = @_; - my $result =''; - my $cellclr = '"#ffffdd"'; - my ($username,$domain) = split(/:/,$student); - - my $fullname = &get_fullname($username,$domain); - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username); - - $result.="$username$fullname$domain\n"; - foreach my $part (@parts) { - my ($temp,$part,$type)=split(/_/,$part); - my $score=$record{"resource.$part.$type"}; - if ($type eq 'awarded' || $type eq 'tries') { - $result.=''."\n"; - } elsif ($type eq 'solved') { - my ($status,$foo)=split(/_/,$score,2); - $result.="\n"; +sub canview { + my ($sec)=@_; + if ($perm{'vgr'}) { + if (!defined($perm{'vgr_section'})) { + # can modify whole class + return 1; + } else { + if ($sec eq $perm{'vgr_section'}) { + #can modify the requested section + return 1; + } else { + # can't modify the request section + return 0; + } + } } - } - $result.=''; - return $result; + #can't modify + return 0; } -#FIXME need to look at the metadata spec on what type of data to accept and provide an -#interface based on that, also do that to above function. -sub setstudentgrade { - my ($url,$symb,$courseid,$student,@parts) = @_; - print "set student grade parts=@parts
"; - my $result =''; - my ($stuname,$domain) = split(/:/,$student); - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname); - my %newrecord; - - foreach my $part (@parts) { - my ($temp,$part,$type)=split(/_/,$part); - my $oldscore=$record{"resource.$part.$type"}; - my $newscore=$ENV{"form.GRADE.$student.$part.$type"}; - print "old=$oldscore:new=$newscore:
"; - if ($type eq 'solved') { - my $update=0; - if ($newscore eq 'nothing' ) { - if ($oldscore ne '') { - $update=1; - $newscore = ''; - } - } elsif ($oldscore !~ m/^$newscore/) { - $update=1; - $result.="Updating $stuname to $newscore
\n"; - if ($newscore eq 'correct') { $newscore = 'correct_by_override'; } - if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; } - if ($newscore eq 'excused') { $newscore = 'excused'; } - if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; } - if ($newscore eq 'partial') { $newscore = 'correct_partially_by_override'; } - } else { - #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:
\n"; - } - if ($update) { $newrecord{"resource.$part.$type"}=$newscore; } +#--- Retrieve the grade status of a student for all the parts +sub student_gradeStatus { + my ($symb,$udom,$uname,$partlist) = @_; + my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname); + my %partstatus = (); + foreach (@$partlist) { + my ($status,undef) = split(/_/,$record{"resource.$_.solved"},2); + $status = 'nothing' if ($status eq ''); + $partstatus{$_} = $status; + my $subkey = "resource.$_.submitted_by"; + $partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne ''); + } + return %partstatus; +} + +# hidden form and javascript that calls the form +# Use by verifyscript and viewgrades +# Shows a student's view of problem and submission +sub jscriptNform { + my ($symb) = @_; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + my $jscript=''."\n"; + $jscript.= ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + return $jscript; +} + + + +# Given the score (as a number [0-1] and the weight) what is the final +# point value? This function will round to the nearest tenth, third, +# or quarter if one of those is within the tolerance of .00001. +sub compute_points { + my ($score, $weight) = @_; + + my $tolerance = .00001; + my $points = $score * $weight; + + # Check for nearness to 1/x. + my $check_for_nearness = sub { + my ($factor) = @_; + my $num = ($points * $factor) + $tolerance; + my $floored_num = floor($num); + if ($num - $floored_num < 2 * $tolerance * $factor) { + return $floored_num / $factor; + } + return $points; + }; + + $points = $check_for_nearness->(10); + $points = $check_for_nearness->(3); + $points = $check_for_nearness->(4); + + return $points; +} + +#------------------ End of general use routines -------------------- + +# +# Find most similar essay +# + +sub most_similar { + my ($uname,$udom,$uessay,$old_essays)=@_; + +# ignore spaces and punctuation + + $uessay=~s/\W+/ /gs; + +# ignore empty submissions (occuring when only files are sent) + + unless ($uessay=~/\w+/) { return ''; } + +# these will be returned. Do not care if not at least 50 percent similar + my $limit=0.6; + my $sname=''; + my $sdom=''; + my $scrsid=''; + my $sessay=''; +# go through all essays ... + foreach my $tkey (keys(%$old_essays)) { + my ($tname,$tdom,$tcrsid)=map {&unescape($_)} (split(/\./,$tkey)); +# ... except the same student + next if (($tname eq $uname) && ($tdom eq $udom)); + my $tessay=$old_essays->{$tkey}; + $tessay=~s/\W+/ /gs; +# String similarity gives up if not even limit + my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit); +# Found one + if ($tsimilar>$limit) { + $limit=$tsimilar; + $sname=$tname; + $sdom=$tdom; + $scrsid=$tcrsid; + $sessay=$old_essays->{$tkey}; + } + } + if ($limit>0.6) { + return ($sname,$sdom,$scrsid,$sessay,$limit); } else { - if ($oldscore ne $newscore) { - $newrecord{"resource.$part.$type"}=$newscore; - $result.="Updating $student"."'s status for $part.$type to $newscore
\n"; - } else { - #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:
\n"; - } + return ('','','','',0); } - } - if ( scalar(keys(%newrecord)) > 0 ) { - $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}"; - print "grader=$newrecord{'resource.regrader'}:
records
"; - while (my ($k,$v) = each %newrecord) { - print "k=$k:v=$v:
\n"; +} + +#------------------------------------------------------------------- + +#------------------------------------ Receipt Verification Routines +# +#--- Check whether a receipt number is valid.--- +sub verifyreceipt { + my $request = shift; + + my $courseid = $env{'request.course.id'}; + my $receipt = &Apache::lonnet::recprefix($courseid).'-'. + $env{'form.receipt'}; + $receipt =~ s/[^\-\d]//g; + my ($symb) = &get_symb($request); + + my $title.= + '

'. + &mt('Verifying Submission Receipt [_1]',$receipt). + '

'."\n". + '

'.&mt('Resource: [_1]',$env{'form.probTitle'}). + '

'."\n"; + + my ($string,$contents,$matches) = ('','',0); + my (undef,undef,$fullname) = &getclasslist('all','0'); + + my $receiptparts=0; + if ($env{"course.$courseid.receiptalg"} eq 'receipt2' || + $env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; } + my $parts=['0']; + if ($receiptparts) { ($parts)=&response_type($symb); } + + my $header = + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('Fullname').' '."\n". + ' '.&mt('Username').' '."\n". + ' '.&mt('Domain').' '; + if ($receiptparts) { + $header.=' '.&mt('Problem Part').' '; } -# &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname); + $header.= + &Apache::loncommon::end_data_table_header_row(); - $result.="Stored away ".scalar(keys(%newrecord))." elements.
\n"; - } - return $result; + foreach (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } (keys(%$fullname))) { + my ($uname,$udom)=split(/\:/); + foreach my $part (@$parts) { + if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) { + $contents.= + &Apache::loncommon::start_data_table_row(). + ' '."\n". + ''.$$fullname{$_}.' '."\n". + ' '.$uname.' '. + ' '.$udom.' '; + if ($receiptparts) { + $contents.=' '.$part.' '; + } + $contents.= + &Apache::loncommon::end_data_table_row()."\n"; + + $matches++; + } + } + } + if ($matches == 0) { + $string = $title.&mt('No match found for the above receipt.'); + } else { + $string = &jscriptNform($symb).$title. + '

'. + &mt('The above receipt matches the following [numerate,_1,student].',$matches). + '

'. + $header. + $contents. + &Apache::loncommon::end_data_table()."\n"; + } + return $string.&show_grading_menu_form($symb); } -# -# --------------------------- show submissions of a student, option to grade -------- -sub submission { - my ($request,$counter,$total) = @_; +#--- This is called by a number of programs. +#--- Called from the Grading Menu - View/Grade an individual student +#--- Also called directly when one clicks on the subm button +# on the problem page. +sub listStudents { + my ($request) = shift; - if ($counter == 0) { - $request->print(<'; + + my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes')); + + my %lt = ( 'multiple' => + "Please select a student or group of students before clicking on the Next button.", + 'single' => + "Please select the student before clicking on the Next button.", + ); + %lt = &Apache::lonlocal::texthash(%lt); + $request->print(< - function updateRadio(radioButton,formtextbox,formsel,wgt) { - var pts = formtextbox.value; - var resetbox =false; - if (isNaN(pts) || pts < 0) { - alert("A number equal or greater than 0 is expected. Entered value = "+pts); + function checkSelect(checkBox) { + var ctr=0; + var sense=""; + if (checkBox.length > 1) { + for (var i=0; i +LISTJAVASCRIPT + + &commonJSfunctions($request); + $request->print($result); + + my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : ''; + my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : ''; + my $gradeTable='
'. + "\n".$table; + + $gradeTable .= + ' '. + &mt('View Problem Text: [_1]', + ''."\n". + ''."\n". + '').'
'."\n"; + $gradeTable .= + ' '. + &mt('View Answer: [_1]', + ''."\n". + ''."\n". + '').'
'."\n"; + + my $submission_options; + if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) { + $submission_options.= + ''."\n"; + } + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status; + $env{'form.Status'} = $saveStatus; + $submission_options.= + ''."\n". + ''."\n". + ''."\n". + ''; + $gradeTable .= + ' '. + &mt('Submissions: [_1]',$submission_options).'
'."\n"; + + $gradeTable .= + ' '. + &mt('Grading Increments: [_1]', + ''); + + $gradeTable .= + &build_section_inputs(). + ''."\n". + '
'."\n". + '
'."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + + if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) { + $gradeTable.=''."\n"; + } else { + $gradeTable.=&mt('Student Status: [_1]', + &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);')).'
'; + } + + $gradeTable.=&mt('To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '. + 'next to the student\'s name(s). Then click on the Next button.').'
'."\n". + ''."\n"; + +# checkall buttons + $gradeTable.=&check_script('gradesub', 'stuinfo'); + $gradeTable.='
'."\n"; + $gradeTable.=&check_buttons(); + $gradeTable.=''; + my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup); + $gradeTable.= &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(); + my $loop = 0; + while ($loop < 2) { + $gradeTable.=''.&mt('No.').''.&mt('Select').''. + ''.&nameUserString('header').' '.&mt('Section/Group').''; + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + foreach my $part (sort(@$partlist)) { + my $display_part= + &get_display_part((split(/_/,$part))[0],$symb); + $gradeTable.= + ''.&mt('Part: [_1] Status',$display_part).''; + } + } elsif ($submitonly eq 'queued') { + $gradeTable.=''.&mt('Queue Status').' '; + } + $loop++; +# $gradeTable.='' if ($loop%2 ==1); + } + $gradeTable.=&Apache::loncommon::end_data_table_header_row()."\n"; + + my $ctr = 0; + foreach my $student (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } + (keys(%$fullname))) { + my ($uname,$udom) = split(/:/,$student); + + my %status = (); + + if ($submitonly eq 'queued') { + my %queue_status = + &Apache::bridgetask::get_student_status($symb,$cdom,$cnum, + $udom,$uname); + next if (!defined($queue_status{'gradingqueue'})); + $status{'gradingqueue'} = $queue_status{'gradingqueue'}; + } + + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist); + my $submitted = 0; + my $graded = 0; + my $incorrect = 0; + foreach (keys(%status)) { + $submitted = 1 if ($status{$_} ne 'nothing'); + $graded = 1 if ($status{$_} =~ /^ungraded/); + $incorrect = 1 if ($status{$_} =~ /^incorrect/); + + my ($foo,$partid,$foo1) = split(/\./,$_); + if ($status{'resource.'.$partid.'.submitted_by'} ne '') { + $submitted = 0; + my ($part)=split(/\./,$partid); + $gradeTable.=''; + } + } + + next if (!$submitted && ($submitonly eq 'yes' || + $submitonly eq 'incorrect' || + $submitonly eq 'graded')); + next if (!$graded && ($submitonly eq 'graded')); + next if (!$incorrect && $submitonly eq 'incorrect'); + } + + $ctr++; + my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()]; + my $group = $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()]; + if ( $perm{'vgr'} eq 'F' ) { + if ($ctr%2 ==1) { + $gradeTable.= &Apache::loncommon::start_data_table_row(); + } + $gradeTable.=''.$ctr.' '. + ''."\n".''. + &nameUserString(undef,$$fullname{$student},$uname,$udom). + ' '.$section.($group ne '' ?'/'.$group:'').''."\n"; + + if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') { + foreach (sort(keys(%status))) { + next if ($_ =~ /^resource.*?submitted_by$/); + $gradeTable.=' '.&mt($status{$_}).' '."\n"; + } + } +# $gradeTable.='' if ($ctr%2 ==1); + if ($ctr%2 ==0) { + $gradeTable.=&Apache::loncommon::end_data_table_row()."\n"; + } + } + } + if ($ctr%2 ==1) { + $gradeTable.='   '; + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + foreach (@$partlist) { + $gradeTable.=' '; + } + } elsif ($submitonly eq 'queued') { + $gradeTable.=' '; + } + $gradeTable.=&Apache::loncommon::end_data_table_row(); + } + + $gradeTable.=&Apache::loncommon::end_data_table()."\n". + '
'."\n"; + if ($ctr == 0) { + my $num_students=(scalar(keys(%$fullname))); + if ($num_students eq 0) { + $gradeTable='
 '.&mt('There are no students currently enrolled.').''; + } else { + my $submissions='submissions'; + if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; } + if ($submitonly eq 'graded' ) { $submissions = 'ungraded submissions'; } + if ($submitonly eq 'queued' ) { $submissions = 'queued submissions'; } + $gradeTable='
 '. + &mt('No '.$submissions.' found for this resource for any students. ([_1] students checked for '.$submissions.')', + $num_students). + '
'; + } + } elsif ($ctr == 1) { + $gradeTable =~ s/type="checkbox"/type="checkbox" checked="checked"/; + } + $gradeTable.=&show_grading_menu_form($symb); + $request->print($gradeTable); + return ''; +} + +#---- Called from the listStudents routine + +sub check_script { + my ($form, $type)=@_; + my $chkallscript=''."\n"; + return $chkallscript; +} + +sub check_buttons { + my $buttons.=''; + $buttons.=' '; + $buttons.=''; + $buttons.=' '; + return $buttons; +} + +# Displays the submissions for one student or a group of students +sub processGroup { + my ($request) = shift; + my $ctr = 0; + my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo'); + my $total = scalar(@stuchecked)-1; + + foreach my $student (@stuchecked) { + my ($uname,$udom,$fullname) = split(/:/,$student); + $env{'form.student'} = $uname; + $env{'form.userdom'} = $udom; + $env{'form.fullname'} = $fullname; + &submission($request,$ctr,$total); + $ctr++; + } + return ''; +} + +#------------------------------------------------------------------------------------ +# +#-------------------------- Next few routines handles grading by student, essentially +# handles essay response type problem/part +# +#--- Javascript to handle the submission page functionality --- +sub sub_page_js { + my $request = shift; + $request->print(< + function updateRadio(formname,id,weight) { + var gradeBox = formname["GD_BOX"+id]; + var radioButton = formname["RADVAL"+id]; + var oldpts = formname["oldpts"+id].value; + var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts; + gradeBox.value = pts; + var resetbox = false; + if (isNaN(pts) || pts < 0) { + alert("A number equal or greater than 0 is expected. Entered value = "+pts); + for (var i=0; i weight) { + var resp = confirm("You entered a value ("+pts+ + ") greater than the weight for the part. Accept?"); + if (resp == false) { + gradeBox.value = oldpts; + return; + } + } + for (var i=0; i +SUBJAVASCRIPT +} + +#--- javascript for essay type problem -- +sub sub_page_kw_js { + my $request = shift; + my $iconpath = $request->dir_config('lonIconsURL'); + &commonJSfunctions($request); + + my $inner_js_msg_central=< + function checkInput() { + opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value); + var nmsg = opener.document.SCORE.savemsgN.value; + var usrctr = document.msgcenter.usrctr.value; + var newval = opener.document.SCORE["newmsg"+usrctr]; + newval.value = opener.checkEntities(document.msgcenter.newmsg.value); + + var msgchk = ""; + if (document.msgcenter.subchk.checked) { + msgchk = "msgsub,"; + } + var includemsg = 0; + for (var i=1; i<=nmsg; i++) { + var opnmsg = opener.document.SCORE["savemsg"+i]; + var frmmsg = document.msgcenter["msg"+i]; + opnmsg.value = opener.checkEntities(frmmsg.value); + var showflg = opener.document.SCORE["shownOnce"+i]; + showflg.value = "1"; + var chkbox = document.msgcenter["msgn"+i]; + if (chkbox.checked) { + msgchk += "savemsg"+i+","; + includemsg = 1; + } + } + if (document.msgcenter.newmsgchk.checked) { + msgchk += "newmsg"+usrctr; + includemsg = 1; + } + imgformname = opener.document.SCORE["mailicon"+usrctr]; + imgformname.src = "$iconpath/"+((includemsg) ? "mailto.gif" : "mailbkgrd.gif"); + var includemsg = opener.document.SCORE["includemsg"+usrctr]; + includemsg.value = msgchk; + + self.close() + + } + +INNERJS + + my $inner_js_highlight_central=< + function updateChoice(flag) { + opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr); + opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize); + opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle); + opener.document.SCORE.refresh.value = "on"; + if (opener.document.SCORE.keywords.value!=""){ + opener.document.SCORE.submit(); + } + self.close() } - updateSelect(formsel,pts,wgt); + +INNERJS + + my $start_page_msg_central = + &Apache::loncommon::start_page('Message Central',$inner_js_msg_central, + {'js_ready' => 1, + 'only_body' => 1, + 'bgcolor' =>'#FFFFFF',}); + my $end_page_msg_central = + &Apache::loncommon::end_page({'js_ready' => 1}); + + + my $start_page_highlight_central = + &Apache::loncommon::start_page('Highlight Central', + $inner_js_highlight_central, + {'js_ready' => 1, + 'only_body' => 1, + 'bgcolor' =>'#FFFFFF',}); + my $end_page_highlight_central = + &Apache::loncommon::end_page({'js_ready' => 1}); + + my $docopen=&Apache::lonhtmlcommon::javascript_docopen(); + $docopen=~s/^document\.//; + $request->print(< + +//===================== Show list of keywords ==================== + function keywords(formname) { + var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value); + if (nret==null) return; + formname.keywords.value = nret; + + if (formname.keywords.value != "") { + formname.refresh.value = "on"; + formname.submit(); + } + return; } - function writeBox(formrad,formsel,pts,wgt) { - formrad.value = pts; - updateSelect(formsel,pts,wgt); +//===================== Script to view submitted by ================== + function viewSubmitter(submitter) { + document.SCORE.refresh.value = "on"; + document.SCORE.NCT.value = "1"; + document.SCORE.unamedom0.value = submitter; + document.SCORE.submit(); return; } - function updateSelect(formsel,pts,wgt) { - if (pts == 0) { - formsel[1].selected = true; +//===================== Script to add keyword(s) ================== + function getSel() { + if (document.getSelection) txt = document.getSelection(); + else if (document.selection) txt = document.selection.createRange().text; + else return; + var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," "); + if (cleantxt=="") { + alert("Please select a word or group of words from document and then click this link."); + return; } - if (pts > 0 && pts < wgt) { - formsel[4].selected = true; + var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt); + if (nret==null) return; + document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret; + if (document.SCORE.keywords.value != "") { + document.SCORE.refresh.value = "on"; + document.SCORE.submit(); } - if (pts == wgt) { - formsel[0].selected = true; + return; + } + +//====================== Script for composing message ============== + // preload images + img1 = new Image(); + img1.src = "$iconpath/mailbkgrd.gif"; + img2 = new Image(); + img2.src = "$iconpath/mailto.gif"; + + function msgCenter(msgform,usrctr,fullname) { + var Nmsg = msgform.savemsgN.value; + savedMsgHeader(Nmsg,usrctr,fullname); + var subject = msgform.msgsub.value; + var msgchk = document.SCORE["includemsg"+usrctr].value; + re = /msgsub/; + var shwsel = ""; + if (re.test(msgchk)) { shwsel = "checked" } + subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject); + displaySubject(checkEntities(subject),shwsel); + for (var i=1; i<=Nmsg; i++) { + var testmsg = "savemsg"+i+","; + re = new RegExp(testmsg,"g"); + shwsel = ""; + if (re.test(msgchk)) { shwsel = "checked" } + var message = document.SCORE["savemsg"+i].value; + message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message); + displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages, + //any < is already converted to <, etc. However, only once!! } + newmsg = document.SCORE["newmsg"+usrctr].value; + shwsel = ""; + re = /newmsg/; + if (re.test(msgchk)) { shwsel = "checked" } + newMsg(newmsg,shwsel); + msgTail(); return; } - -JAVASCRIPT -} - (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; - if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; } - my ($uname,$udom) = &finduser($ENV{'form.student'}); - if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; } - - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; } - my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : ''); -# -# header info - if ($counter == 0) { - $request->print('

Submission Record

'); + function checkEntities(strx) { + if (strx.length == 0) return strx; + var orgStr = ["&", "<", ">", '"']; + var newStr = ["&", "<", ">", """]; + var counter = 0; + while (counter < 4) { + strx = strReplace(strx,orgStr[counter],newStr[counter]); + counter++; + } + return strx; } -# -# option to display problem, only once else it cause problems with the form later since the problem has a form. - if ($ENV{'form.vProb'} eq 'yes' && $counter == 0) { - my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom, - $ENV{'request.course.id'}); - my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom, - $ENV{'request.course.id'}); - my $result.='
'; - $result.='
'; - $result.='Student\'s view of the problem
'.$rendered.'
'; - $result.='Correct answer:
'.$companswer; - $result.='
'; - $result.='

'; - $request->print($result); + function strReplace(strx, orgStr, newStr) { + return strx.split(orgStr).join(newStr); } -# -# beginning of form - if ($counter == 0) { - $request->print('
'."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n"); + + function savedMsgHeader(Nmsg,usrctr,fullname) { + var height = 70*Nmsg+250; + var scrollbar = "no"; + if (height > 600) { + height = 600; + scrollbar = "yes"; + } + var xpos = (screen.width-600)/2; + xpos = (xpos < 0) ? '0' : xpos; + var ypos = (screen.height-height)/2-30; + ypos = (ypos < 0) ? '0' : ypos; + + pWin = window.open('', 'MessageCenter', 'resizable=yes,toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height); + pWin.focus(); + pDoc = pWin.document; + pDoc.$docopen; + pDoc.write('$start_page_msg_central'); + + pDoc.write(""); + pDoc.write(""); + pDoc.write("

 Compose Message for \"+fullname+\"<\\/span><\\/h3>

"); + + pDoc.write("
"); + pDoc.write(""); + pDoc.write(""); + pDoc.write(""); + pDoc.write("
Type<\\/b><\\/td>Include<\\/b><\\/td>Message<\\/td><\\/tr>"); +} + function displaySubject(msg,shwsel) { + pDoc = pWin.document; + pDoc.write("
Subject<\\/td>"); + pDoc.write("<\\/td>"); + pDoc.write("<\\/td><\\/tr>"); +} + + function displaySavedMsg(ctr,msg,shwsel) { + pDoc = pWin.document; + pDoc.write("
"+ctr+"<\\/td>"); + pDoc.write("<\\/td>"); + pDoc.write("