# The LearningOnline Network with CAPA # essay (ungraded) style responses # # $Id: essayresponse.pm,v 1.26 2003/04/08 02:40:56 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # # 4/3 Guy # July, 2002, H. K. Ng # package Apache::essayresponse; use strict; use Apache::lonxml; use Apache::lonnet; BEGIN { &Apache::lonxml::register('Apache::essayresponse',('essayresponse')); } sub start_essayresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $id = &Apache::response::start_response($parstack,$safeeval); if ($target eq 'meta') { $result=&Apache::response::meta_package_write('essayresponse'); } elsif ($target eq 'web') { my $part= $Apache::inputtags::part; my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators"); my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"}); my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes"); $uploadedfiletypes=~s/[^\w\,]//g; my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"}); $result='
'; $result.=''; if ($ncol > 0) { $result .=''; } if ($uploadedfiletypes) { $result.= ''; } $result.='
'. ''. ' Submit entries below as answer to receive credit
'. ''. ' Save entries below as a draft answer (not submitting them for credit yet) '. '
'. 'Collaborators:
'. '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '. 'smithje or smithje@'.$ENV{'user.domain'}.'.)
'; $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/); $result .='
Submit a file:
Allowed filetypes: '.$uploadedfiletypes.'
'; if ($uploadedfile) { $result.='Currently submitted: '.$uploadedfile.''; } else { $result.='(Hand in a file you have prepared on your computer)'; } $result.='
'; } return $result; } sub end_essayresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $part = $Apache::inputtags::part; my $id = $Apache::inputtags::response[-1]; my $result; if ( $target eq 'grade' ) { my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id}; if ($collaborators =~ /[^\s]/) { my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"}); $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators if ($collaborators ne $previous_list); } if ( defined $ENV{'form.submitted'}) { my $response = $ENV{'form.HWVAL_'.$id}; my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'}; if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/)) { my $award; if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') { $award='SUBMITTED'; } else { $award='DRAFT'; } my $uploadedflag=0; if ($filename =~ /[^\s]/) { my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes"); $uploadedfiletypes=~s/[^\w\,]//g; $uploadedfiletypes=','.$uploadedfiletypes.','; my ($extension)=($filename=~/\.(\w+)$/); if ($uploadedfiletypes=~/\,$extension\,/i) { $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename; $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}= &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id); $uploadedflag=1; } else { $award='INVALID_FILETYPE'; } } $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response; $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award; my %previous=&Apache::response::check_for_previous($response,$part,$id); unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); } } } } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table(); } elsif ($target eq 'tex') { if ($Apache::lonhomework::type eq 'exam') { my $id = $Apache::inputtags::part; my $weight = &Apache::lonnet::EXT("resource.$id.weight"); my $repetition = int $weight/9; if ($weight % 9 != 0) {$repetition++;} $result.='\begin{enumerate}'; for (my $i=0;$i<$repetition;$i++) { $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm'; &Apache::lonxml::increment_counter(); } $result.= '\end{enumerate}'; } } &Apache::response::end_response; return $result; } sub check_collaborators { my ($ncol,$coll) = @_; my %classlist=&Apache::lonnet::dump('classlist', $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); my (@badcollaborators,$result); my (@collaborators) = split(/\,?\s+/,$coll); foreach (@collaborators) { my $collaborator = $_; if (/@/) { $collaborator =~ s/@/:/; } else { $collaborator = $_.':'.$ENV{'user.domain'}; } push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist); } if (scalar(@badcollaborators)) { $result = '
The following user'. (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '. join(', ',@badcollaborators).'. Please correct.
'; } my $toomany = scalar(@collaborators) - $ncol; if ($toomany > 0) { $result .= '
'. 'You have too many collaborators. Please remove '.$toomany.' collaborator'. ($toomany > 1 ? 's' :'').'.
'; } return $result; } 1; __END__