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Annotation of loncom/homework/essayresponse.pm, revision 1.13

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # essay (ungraded) style responses
1.5       albertel    3: #
1.13    ! ng          4: # $Id: essayresponse.pm,v 1.12 2002/07/26 20:27:33 ng Exp $
1.5       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       albertel   28: # 4/3 Guy
1.10      ng         29: # July, 2002, H. K. Ng
                     30: #
1.1       albertel   31: package Apache::essayresponse;
                     32: use strict;
                     33: 
1.6       harris41   34: BEGIN {
1.10      ng         35:     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1       albertel   36: }
                     37: 
                     38: sub start_essayresponse {
1.10      ng         39:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     40:     my $result;
                     41: 
                     42:     if ($target eq 'web') {
                     43: 	my $part= $Apache::inputtags::part;
                     44: 	my $id  = &Apache::response::start_response($parstack,$safeeval);
                     45: 
                     46: 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
                     47: 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.13    ! ng         48: 	$result='<br /><table border="1">';
1.10      ng         49: 	if ($ncol > 0) {
1.13    ! ng         50: 	    $result .='<tr><td>'.
        !            51: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
        !            52: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10      ng         53: 		'(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
                     54: 		'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
                     55: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13    ! ng         56: 	    $result .='</td></tr>';
1.10      ng         57: 	}
1.13    ! ng         58: 	$result.='<tr><td>'.
        !            59: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
        !            60: 	    ' Submit text below as answer to receive credit <br />'.
        !            61: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
        !            62: 	    ' Save text below as a draft answer (not submitting it for credit yet) '.
        !            63: 	    '</td></tr></table>';
1.10      ng         64:     }
                     65:     return $result;
1.1       albertel   66: }
                     67: 
                     68: sub end_essayresponse {
1.10      ng         69:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13    ! ng         70:     my $part          = $Apache::inputtags::part;
        !            71:     my $id            = &Apache::response::start_response($parstack,$safeeval);
        !            72:     my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
1.11      ng         73:     if ($collaborators =~ /[^\s]/) {
1.12      ng         74: 	my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
                     75: 
                     76: 	$Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
                     77: 	    if ($collaborators ne $previous_list);
1.11      ng         78:     }
1.10      ng         79:     if ( $target eq 'grade' ) {
                     80: 	if ( defined $ENV{'form.submitted'}) {
                     81: 	    my $response      = $ENV{'form.HWVAL'.$id};
                     82: 	    if ( $response =~ /[^\s]/) {
                     83: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.13    ! ng         84: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
        !            85: 		    $ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes' ? 'SUBMITTED' : 'DRAFT';
1.10      ng         86: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
                     87: 		&Apache::response::handle_previous(\%previous,'SUBMITTED');
                     88: 	    }
                     89: 	}
                     90:     }
1.11      ng         91: 
1.10      ng         92:     &Apache::response::end_response;
                     93:     return '';
                     94: }
                     95: 
                     96: sub check_collaborators {
1.11      ng         97:     my ($ncol,$coll) = @_;
1.10      ng         98:     my %classlist=&Apache::lonnet::dump('classlist',
                     99: 					$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    100: 					$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    101:     my (@badcollaborators,$result);
                    102:     my (@collaborators) = split(/\,?\s+/,$coll);
                    103:     foreach (@collaborators) {
                    104: 	my $collaborator = $_;
                    105: 	if (/@/) {
                    106: 	    $collaborator =~ s/@/:/;
                    107: 	} else {
                    108: 	    $collaborator = $_.':'.$ENV{'user.domain'};
                    109: 	}
                    110: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
                    111:     }
                    112:     
                    113:     if (scalar(@badcollaborators)) {
1.11      ng        114: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
                    115: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
                    116: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10      ng        117:     }
                    118:     my $toomany = scalar(@collaborators) - $ncol;
                    119:     if ($toomany > 0) {
                    120: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
                    121: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
                    122: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
                    123:     }
                    124:     return $result;
1.1       albertel  125: }
1.2       albertel  126: 
                    127: 1;
                    128: __END__