Annotation of loncom/homework/essayresponse.pm, revision 1.14

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # essay (ungraded) style responses
1.5       albertel    3: #
1.14    ! albertel    4: # $Id: essayresponse.pm,v 1.13 2002/08/01 15:20:34 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;
1.14    ! albertel   41:     my $id = &Apache::response::start_response($parstack,$safeeval);
        !            42:     if ($target eq 'meta') {
        !            43: 	$result=&Apache::response::meta_package_write('essayresponse');
        !            44:     } elsif ($target eq 'web') {
1.10      ng         45: 	my $part= $Apache::inputtags::part;
                     46: 
                     47: 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
                     48: 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.13      ng         49: 	$result='<br /><table border="1">';
1.10      ng         50: 	if ($ncol > 0) {
1.13      ng         51: 	    $result .='<tr><td>'.
                     52: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
                     53: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10      ng         54: 		'(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
                     55: 		'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
                     56: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13      ng         57: 	    $result .='</td></tr>';
1.10      ng         58: 	}
1.13      ng         59: 	$result.='<tr><td>'.
                     60: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
                     61: 	    ' Submit text below as answer to receive credit <br />'.
                     62: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
                     63: 	    ' Save text below as a draft answer (not submitting it for credit yet) '.
                     64: 	    '</td></tr></table>';
1.10      ng         65:     }
                     66:     return $result;
1.1       albertel   67: }
                     68: 
                     69: sub end_essayresponse {
1.10      ng         70:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13      ng         71:     my $part          = $Apache::inputtags::part;
1.14    ! albertel   72:     my $id            = $Apache::inputtags::response[-1];
1.10      ng         73:     if ( $target eq 'grade' ) {
1.14    ! albertel   74: 	my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
        !            75: 	if ($collaborators =~ /[^\s]/) {
        !            76: 	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
        !            77: 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
        !            78: 		if ($collaborators ne $previous_list);
        !            79: 	}
1.10      ng         80: 	if ( defined $ENV{'form.submitted'}) {
                     81: 	    my $response      = $ENV{'form.HWVAL'.$id};
                     82: 	    if ( $response =~ /[^\s]/) {
1.14    ! albertel   83: 		my $award;
        !            84: 		if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
        !            85: 		    $award='SUBMITTED';
        !            86: 		} else {
        !            87: 		    $award='DRAFT';
        !            88: 		}
1.10      ng         89: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14    ! albertel   90: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10      ng         91: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.14    ! albertel   92: 		&Apache::response::handle_previous(\%previous,$award);
1.10      ng         93: 	    }
                     94: 	}
                     95:     }
1.11      ng         96: 
1.10      ng         97:     &Apache::response::end_response;
                     98:     return '';
                     99: }
                    100: 
                    101: sub check_collaborators {
1.11      ng        102:     my ($ncol,$coll) = @_;
1.10      ng        103:     my %classlist=&Apache::lonnet::dump('classlist',
                    104: 					$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    105: 					$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    106:     my (@badcollaborators,$result);
                    107:     my (@collaborators) = split(/\,?\s+/,$coll);
                    108:     foreach (@collaborators) {
                    109: 	my $collaborator = $_;
                    110: 	if (/@/) {
                    111: 	    $collaborator =~ s/@/:/;
                    112: 	} else {
                    113: 	    $collaborator = $_.':'.$ENV{'user.domain'};
                    114: 	}
                    115: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
                    116:     }
                    117:     
                    118:     if (scalar(@badcollaborators)) {
1.11      ng        119: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
                    120: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
                    121: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10      ng        122:     }
                    123:     my $toomany = scalar(@collaborators) - $ncol;
                    124:     if ($toomany > 0) {
                    125: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
                    126: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
                    127: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
                    128:     }
                    129:     return $result;
1.1       albertel  130: }
1.2       albertel  131: 
                    132: 1;
                    133: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>