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- properly sets the datastructures and delivers grades

    1: # The LearningOnline Network with CAPA
    2: # caparesponse definition
    3: 
    4: package Apache::caparesponse;
    5: use strict;
    6: use capa;
    7: 
    8: sub BEGIN {
    9:   &Apache::lonxml::register('Apache::caparesponse',('caparesponse'));
   10: }
   11: 
   12: $Apache::caparesponse::result='';
   13: sub start_caparesponse {
   14:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   15:   my $args ='';
   16:   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
   17:   my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
   18:   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   19:   push (@Apache::inputtags::response,$id);
   20:   push (@Apache::inputtags::responselist,$id);
   21:   return '';
   22:   #my $envkey;
   23:   #foreach $envkey (sort keys %ENV) {
   24:   #  Apache::lonxml::debug("$envkey ---- $ENV{$envkey}<br>");
   25:   #}
   26:   #Apache::lonxml::debug("\n<br>\nreal caparesponse<br>\n");
   27: }
   28: 
   29: sub end_caparesponse {
   30:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   31:   my $result = '';
   32:   if ( $target eq 'grade' ) {
   33:     if ( defined $ENV{'form.submit'}) {
   34:       $Apache::caparesponse::result='';
   35:       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
   36:       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::curvalue};
   37:       $Apache::lonhomework::results{"resource.submission.$Apache::inputtags::part.$Apache::inputtags::response['-1']"}=$response;
   38:     &Apache::lonxml::debug("submitted a $response<br>\n");
   39:       &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   40:       my $expression="&caparesponse_check('".$response."','".
   41: 	$$parstack[$#$parstack].
   42: 	  ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
   43: 	    ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
   44: 	      "');";
   45:       $result = &Apache::run::run($expression,$safeeval);
   46:       my ($ad) = split /:/ , $result;
   47:       $Apache::lonhomework::results{"resource.awarddetail.$Apache::inputtags::part.$Apache::inputtags::response['-1']"}=$ad;
   48:       &Apache::lonxml::debug("$expression");
   49:       &Apache::lonxml::debug("\n<br>result:$Apache::caparesponse::result:$result:$Apache::lonxml::curdepth<br>\n");
   50:     }
   51:   } else {
   52:     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
   53:   }
   54:   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
   55:   pop @Apache::inputtags::response;
   56:   return $result;
   57: }
   58: 
   59: 1;
   60: __END__
   61: