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Now you can print essay type of problems in exam with Ed's environment (CAPA-like).

    1: # The LearningOnline Network with CAPA
    2: # essay (ungraded) style responses
    3: #
    4: # $Id: essayresponse.pm,v 1.16 2003/01/13 21:24:02 sakharuk Exp $
    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: #
   28: # 4/3 Guy
   29: # July, 2002, H. K. Ng
   30: #
   31: package Apache::essayresponse;
   32: use strict;
   33: use Apache::lonxml;
   34: 
   35: BEGIN {
   36:     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
   37: }
   38: 
   39: sub start_essayresponse {
   40:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   41:     my $result;
   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') {
   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"});
   50: 	$result='<br /><table border="1">';
   51: 	if ($ncol > 0) {
   52: 	    $result .='<tr><td>'.
   53: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
   54: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
   55: 		'(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
   56: 		'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
   57: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
   58: 	    $result .='</td></tr>';
   59: 	}
   60: 	$result.='<tr><td>'.
   61: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
   62: 	    ' Submit text below as answer to receive credit <br />'.
   63: 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
   64: 	    ' Save text below as a draft answer (not submitting it for credit yet) '.
   65: 	    '</td></tr></table>';
   66:     }
   67:     return $result;
   68: }
   69: 
   70: sub end_essayresponse {
   71:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   72:     my $part          = $Apache::inputtags::part;
   73:     my $id            = $Apache::inputtags::response[-1];
   74:     my $result;
   75:     if ( $target eq 'grade' ) {
   76: 	my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
   77: 	if ($collaborators =~ /[^\s]/) {
   78: 	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
   79: 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
   80: 		if ($collaborators ne $previous_list);
   81: 	}
   82: 	if ( defined $ENV{'form.submitted'}) {
   83: 	    my $response      = $ENV{'form.HWVAL'.$id};
   84: 	    if ( $response =~ /[^\s]/) {
   85: 		my $award;
   86: 		if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
   87: 		    $award='SUBMITTED';
   88: 		} else {
   89: 		    $award='DRAFT';
   90: 		}
   91: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
   92: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
   93: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
   94: 		&Apache::response::handle_previous(\%previous,$award);
   95: 	    }
   96: 	}
   97:     } elsif ($target eq 'edit') {
   98: 	$result.=&Apache::edit::end_table();
   99:     } elsif ($target eq 'tex') {
  100: 	if ($Apache::lonhomework::type eq 'exam') {
  101: 	    $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
  102: 	    &Apache::lonxml::increment_counter();
  103: 	    $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm \end{enumerate}';
  104: 	    &Apache::lonxml::increment_counter();
  105: 	}
  106:     }
  107: 
  108:     &Apache::response::end_response;
  109:     return $result;
  110: }
  111: 
  112: sub check_collaborators {
  113:     my ($ncol,$coll) = @_;
  114:     my %classlist=&Apache::lonnet::dump('classlist',
  115: 					$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
  116: 					$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
  117:     my (@badcollaborators,$result);
  118:     my (@collaborators) = split(/\,?\s+/,$coll);
  119:     foreach (@collaborators) {
  120: 	my $collaborator = $_;
  121: 	if (/@/) {
  122: 	    $collaborator =~ s/@/:/;
  123: 	} else {
  124: 	    $collaborator = $_.':'.$ENV{'user.domain'};
  125: 	}
  126: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
  127:     }
  128:     
  129:     if (scalar(@badcollaborators)) {
  130: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
  131: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
  132: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
  133:     }
  134:     my $toomany = scalar(@collaborators) - $ncol;
  135:     if ($toomany > 0) {
  136: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
  137: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
  138: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
  139:     }
  140:     return $result;
  141: }
  142: 
  143: 1;
  144: __END__