Annotation of loncom/homework/essayresponse.pm, revision 1.17

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # essay (ungraded) style responses
1.5       albertel    3: #
1.17    ! www         4: # $Id: essayresponse.pm,v 1.16 2003/01/13 21:24:02 sakharuk 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;
1.16      sakharuk   33: use Apache::lonxml;
1.1       albertel   34: 
1.6       harris41   35: BEGIN {
1.10      ng         36:     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1       albertel   37: }
                     38: 
                     39: sub start_essayresponse {
1.10      ng         40:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     41:     my $result;
1.14      albertel   42:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     43:     if ($target eq 'meta') {
                     44: 	$result=&Apache::response::meta_package_write('essayresponse');
                     45:     } elsif ($target eq 'web') {
1.10      ng         46: 	my $part= $Apache::inputtags::part;
                     47: 
                     48: 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
                     49: 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.17    ! www        50: 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
        !            51: 	my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
1.13      ng         52: 	$result='<br /><table border="1">';
1.10      ng         53: 	if ($ncol > 0) {
1.13      ng         54: 	    $result .='<tr><td>'.
                     55: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
                     56: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10      ng         57: 		'(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
                     58: 		'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
                     59: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13      ng         60: 	    $result .='</td></tr>';
1.10      ng         61: 	}
1.17    ! www        62:         if ($uploadedfiletypes) {
        !            63:            $result.=
        !            64: '<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
        !            65: 		$part.'_'.$id.'" value="'.$uploadedfile.'" onChange="this.form.enctype='.
        !            66: "'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />(Hand in a file you have prepared on your computer)</td></tr>'; 
        !            67:         }
1.13      ng         68: 	$result.='<tr><td>'.
                     69: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
                     70: 	    ' Submit text below as answer to receive credit <br />'.
                     71: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
                     72: 	    ' Save text below as a draft answer (not submitting it for credit yet) '.
                     73: 	    '</td></tr></table>';
1.10      ng         74:     }
                     75:     return $result;
1.1       albertel   76: }
                     77: 
                     78: sub end_essayresponse {
1.10      ng         79:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13      ng         80:     my $part          = $Apache::inputtags::part;
1.14      albertel   81:     my $id            = $Apache::inputtags::response[-1];
1.15      albertel   82:     my $result;
1.10      ng         83:     if ( $target eq 'grade' ) {
1.14      albertel   84: 	my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
                     85: 	if ($collaborators =~ /[^\s]/) {
                     86: 	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
                     87: 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
                     88: 		if ($collaborators ne $previous_list);
                     89: 	}
1.10      ng         90: 	if ( defined $ENV{'form.submitted'}) {
                     91: 	    my $response      = $ENV{'form.HWVAL'.$id};
                     92: 	    if ( $response =~ /[^\s]/) {
1.14      albertel   93: 		my $award;
                     94: 		if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
                     95: 		    $award='SUBMITTED';
                     96: 		} else {
                     97: 		    $award='DRAFT';
                     98: 		}
1.10      ng         99: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14      albertel  100: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10      ng        101: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.14      albertel  102: 		&Apache::response::handle_previous(\%previous,$award);
1.10      ng        103: 	    }
                    104: 	}
1.15      albertel  105:     } elsif ($target eq 'edit') {
                    106: 	$result.=&Apache::edit::end_table();
1.16      sakharuk  107:     } elsif ($target eq 'tex') {
                    108: 	if ($Apache::lonhomework::type eq 'exam') {
                    109: 	    $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
                    110: 	    &Apache::lonxml::increment_counter();
                    111: 	    $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm \end{enumerate}';
                    112: 	    &Apache::lonxml::increment_counter();
                    113: 	}
1.10      ng        114:     }
1.11      ng        115: 
1.10      ng        116:     &Apache::response::end_response;
1.15      albertel  117:     return $result;
1.10      ng        118: }
                    119: 
                    120: sub check_collaborators {
1.11      ng        121:     my ($ncol,$coll) = @_;
1.10      ng        122:     my %classlist=&Apache::lonnet::dump('classlist',
                    123: 					$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    124: 					$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    125:     my (@badcollaborators,$result);
                    126:     my (@collaborators) = split(/\,?\s+/,$coll);
                    127:     foreach (@collaborators) {
                    128: 	my $collaborator = $_;
                    129: 	if (/@/) {
                    130: 	    $collaborator =~ s/@/:/;
                    131: 	} else {
                    132: 	    $collaborator = $_.':'.$ENV{'user.domain'};
                    133: 	}
                    134: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
                    135:     }
                    136:     
                    137:     if (scalar(@badcollaborators)) {
1.11      ng        138: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
                    139: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
                    140: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10      ng        141:     }
                    142:     my $toomany = scalar(@collaborators) - $ncol;
                    143:     if ($toomany > 0) {
                    144: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
                    145: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
                    146: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
                    147:     }
                    148:     return $result;
1.1       albertel  149: }
1.2       albertel  150: 
                    151: 1;
                    152: __END__

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