# The LearningOnline Network with CAPA # essay (ungraded) style responses # # $Id: essayresponse.pm,v 1.11 2002/07/25 20:51:39 ng 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; BEGIN { &Apache::lonxml::register('Apache::essayresponse',('essayresponse')); } sub start_essayresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'web') { my $part= $Apache::inputtags::part; my $id = &Apache::response::start_response($parstack,$safeeval); my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators"); my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"}); if ($ncol > 0) { $result .='
Collaborators:
'. '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '. 'smithje or smithje@'.$ENV{'user.domain'}.'.)
'; $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/); } } return $result; } sub end_essayresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $part=$Apache::inputtags::part; my $id = &Apache::response::start_response($parstack,$safeeval); my $collaborators = $ENV{'form.HWCOL'.$id}; if ($collaborators =~ /[^\s]/) { $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators; } if ( $target eq 'grade' ) { if ( defined $ENV{'form.submitted'}) { my $response = $ENV{'form.HWVAL'.$id}; if ( $response =~ /[^\s]/) { $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response; $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}="SUBMITTED"; my %previous=&Apache::response::check_for_previous($response,$part,$id); &Apache::response::handle_previous(\%previous,'SUBMITTED'); } } } &Apache::response::end_response; return ''; } 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__