Annotation of loncom/homework/essayresponse.pm, revision 1.23

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # essay (ungraded) style responses
1.5       albertel    3: #
1.23    ! www         4: # $Id: essayresponse.pm,v 1.22 2003/01/24 19:49:48 www 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;
1.20      www        34: use Apache::lonnet;
1.1       albertel   35: 
1.6       harris41   36: BEGIN {
1.10      ng         37:     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1       albertel   38: }
                     39: 
                     40: sub start_essayresponse {
1.10      ng         41:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     42:     my $result;
1.14      albertel   43:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     44:     if ($target eq 'meta') {
                     45: 	$result=&Apache::response::meta_package_write('essayresponse');
                     46:     } elsif ($target eq 'web') {
1.10      ng         47: 	my $part= $Apache::inputtags::part;
                     48: 
                     49: 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
                     50: 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.17      www        51: 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
1.21      www        52:         $uploadedfiletypes=~s/[^\w\,]//g;
1.17      www        53: 	my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
1.13      ng         54: 	$result='<br /><table border="1">';
1.22      www        55: 	$result.='<tr><td>'.
                     56: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
                     57: 	    ' Submit entries below as answer to receive credit <br />'.
                     58: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
                     59: 	    ' Save entries below as a draft answer (not submitting them for credit yet) '.
                     60: 	    '</td></tr>';
1.10      ng         61: 	if ($ncol > 0) {
1.13      ng         62: 	    $result .='<tr><td>'.
                     63: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
                     64: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10      ng         65: 		'(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
                     66: 		'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
                     67: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13      ng         68: 	    $result .='</td></tr>';
1.10      ng         69: 	}
1.17      www        70:         if ($uploadedfiletypes) {
                     71:            $result.=
                     72: '<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
1.19      www        73: 		$part.'_'.$id.'" onFocus="this.form.enctype='.
                     74: "'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />';
                     75:            if ($uploadedfile) {
1.20      www        76: 	       $result.='Currently submitted: <tt><a href="'.
1.23    ! www        77:                 &Apache::lonnet::tokenwrapper($Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}).'"><img src="/adm/lonIcons/unknown.gif" border=0"> '.$uploadedfile.'</a></tt>';
1.19      www        78:            } else {
                     79:               $result.='(Hand in a file you have prepared on your computer)';
                     80:            }
                     81:            $result.='</td></tr>'; 
1.17      www        82:         }
1.22      www        83:         $result.='</table>';
1.10      ng         84:     }
                     85:     return $result;
1.1       albertel   86: }
                     87: 
                     88: sub end_essayresponse {
1.10      ng         89:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13      ng         90:     my $part          = $Apache::inputtags::part;
1.14      albertel   91:     my $id            = $Apache::inputtags::response[-1];
1.15      albertel   92:     my $result;
1.10      ng         93:     if ( $target eq 'grade' ) {
1.14      albertel   94: 	my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
                     95: 	if ($collaborators =~ /[^\s]/) {
                     96: 	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
                     97: 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
                     98: 		if ($collaborators ne $previous_list);
                     99: 	}
1.10      ng        100: 	if ( defined $ENV{'form.submitted'}) {
                    101: 	    my $response      = $ENV{'form.HWVAL'.$id};
1.22      www       102:             my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
                    103: 	    if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/)) {
                    104:  		my $award;
1.14      albertel  105: 		if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
                    106: 		    $award='SUBMITTED';
                    107: 		} else {
                    108: 		    $award='DRAFT';
                    109: 		}
1.22      www       110:                 my $uploadedflag=0;
                    111:                 if ($filename =~ /[^\s]/) {
                    112:  	           my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
                    113:                    $uploadedfiletypes=~s/[^\w\,]//g;
                    114:                    $uploadedfiletypes=','.$uploadedfiletypes.',';
                    115:                    my ($extension)=($filename=~/\.(\w+)$/);
                    116: 	           if ($uploadedfiletypes=~/\,$extension\,/i) {
                    117: 	              $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
                    118:                       $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
                    119:                          &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id);
                    120:                       $uploadedflag=1;
                    121: 		   } else {
                    122: 		      $award='INVALID_FILETYPE';
                    123:                    }
                    124: 	        }
1.10      ng        125: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14      albertel  126: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10      ng        127: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.22      www       128: 		unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
1.10      ng        129: 	    }
                    130: 	}
1.15      albertel  131:     } elsif ($target eq 'edit') {
                    132: 	$result.=&Apache::edit::end_table();
1.16      sakharuk  133:     } elsif ($target eq 'tex') {
                    134: 	if ($Apache::lonhomework::type eq 'exam') {
                    135: 	    $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
                    136: 	    &Apache::lonxml::increment_counter();
1.18      www       137: 	    $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm \end{enumerate}';
1.16      sakharuk  138: 	    &Apache::lonxml::increment_counter();
                    139: 	}
1.10      ng        140:     }
1.11      ng        141: 
1.10      ng        142:     &Apache::response::end_response;
1.15      albertel  143:     return $result;
1.10      ng        144: }
                    145: 
                    146: sub check_collaborators {
1.11      ng        147:     my ($ncol,$coll) = @_;
1.10      ng        148:     my %classlist=&Apache::lonnet::dump('classlist',
                    149: 					$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    150: 					$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    151:     my (@badcollaborators,$result);
                    152:     my (@collaborators) = split(/\,?\s+/,$coll);
                    153:     foreach (@collaborators) {
                    154: 	my $collaborator = $_;
                    155: 	if (/@/) {
                    156: 	    $collaborator =~ s/@/:/;
                    157: 	} else {
                    158: 	    $collaborator = $_.':'.$ENV{'user.domain'};
                    159: 	}
                    160: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
                    161:     }
                    162:     
                    163:     if (scalar(@badcollaborators)) {
1.11      ng        164: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
                    165: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
                    166: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10      ng        167:     }
                    168:     my $toomany = scalar(@collaborators) - $ncol;
                    169:     if ($toomany > 0) {
                    170: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
                    171: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
                    172: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
                    173:     }
                    174:     return $result;
1.1       albertel  175: }
1.2       albertel  176: 
                    177: 1;
                    178: __END__

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