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- implemented a stupid comparision

    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 $envkey;
   15:   
   16:   #foreach $envkey (sort keys %ENV) {
   17:   #  Apache::lonxml::debug("$envkey ---- $ENV{$envkey}<br>");
   18:   #}
   19:   
   20:   #Apache::lonxml::debug("\n<br>\nreal caparesponse<br>\n");
   21: }
   22: 
   23: sub end_caparesponse {
   24:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   25:   if ( defined $ENV{'form.'.$ENV{'form.request.prefix'}.'submit'}) {
   26:     $Apache::caparesponse::result='';
   27:     $safeeval->share('&caparesponse_capa_check_answer');
   28:     $safeeval->share('$Apache::caparesponse::result');
   29:     my $response = $ENV{'form.'.$ENV{'form.request.prefix'}.'HWVAL'.$Apache::inputtags::curvalue};
   30:     #Apache::lonxml::debug("submitted a $response<br>\n");
   31:     #Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   32:     my $expression="caparesponse_check $response $$parstack[$#$parstack];";
   33:     #&Apache::run::run($expression,$safeeval);
   34:     
   35:     #&Apache::lonxml::debug("\n<br>result:$Apache::caparesponse::result:<br>\n");
   36:     my $args ='';
   37:     if ( $#$parstack > -1 ) {
   38:       $args=$$parstack[$#$parstack];
   39:     }
   40:     my $answer = &Apache::run::run("{$args;".'return $answer}',$safeeval);
   41:     if ( $answer eq $response ) {
   42:       return "Correct, Computer had $answer<br></br>";
   43:     } else {
   44:       return "Incorrect, Computer had $answer<br></br>";
   45:     }
   46:   } else {
   47:     #return "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
   48:   }
   49:   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
   50:   return '';
   51: }
   52: 
   53: 1;
   54: __END__
   55: