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- start on numeric_response
- starting on previous submissions detection

    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','numericalresponse'));
   10: }
   11: 
   12: sub start_caparesponse {
   13:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   14:   my $id = &Apache::response::start_response($parstack,$safeeval);
   15:   return '';
   16: }
   17: 
   18: sub end_caparesponse {
   19:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   20:   my $result = '';
   21:   if ( $target eq 'grade' ) {
   22:     if ( defined $ENV{'form.submit'}) {
   23:       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
   24:       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   25:       if ( $response =~ /[^\s]/) {
   26: 	my $previous= &check_for_previous($response,$id,$response);
   27: 	if ( $previous ) { 
   28: 	  $result = 'PREVIOUSLY_USED';
   29: 	} else {
   30: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"}=$response;
   31: 	  &Apache::lonxml::debug("submitted a $response<br>\n");
   32: 	  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   33: 	  my $expression="&caparesponse_check('".$response."','".
   34: 	    $$parstack[$#$parstack].
   35: 	      ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
   36: 		';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
   37: 		  "');";
   38: 	  $result = &Apache::run::run($expression,$safeeval);
   39: 	  my ($ad) = split /:/ , $result;
   40: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].awarddetail"}=$ad;
   41: 	  &Apache::lonxml::debug("$expression");
   42: 	  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
   43: 	}
   44:       }
   45:     }
   46:   } else {
   47:     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
   48:   }
   49:   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
   50:   &Apache::response::end_response;
   51:   return $result;
   52: }
   53: 
   54: sub start_numericalresponse {
   55:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   56:   my $id = &Apache::response::start_response($parstack,$safeeval);
   57:   return '';
   58: }
   59: 
   60: sub end_numericalresponse {
   61:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   62:   my $result = '';
   63:   if ( $target eq 'grade' ) {
   64:     if ( defined $ENV{'form.submit'}) {
   65:       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
   66:       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   67:       if ( $response =~ /[^\s]/) {
   68: 	my $previous= &check_for_previous($response,$id,$response);
   69: 	if ( $previous ) { 
   70: 	  $result = 'PREVIOUSLY_USED';
   71: 	} else {
   72: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"}=$response;
   73: 	  &Apache::lonxml::debug("submitted a $response<br>\n");
   74: 	  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   75: 	  my $expression="&caparesponse_check('".$response."','".
   76: 	    $$parstack[$#$parstack].
   77: 	      ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
   78: 	      ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
   79: 		"');";
   80: 	  $result = &Apache::run::run($expression,$safeeval);
   81: 	  my ($ad) = split /:/ , $result;
   82: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].awarddetail"}=$ad;
   83: 	  &Apache::lonxml::debug("$expression");
   84: 	  &Apache::lonxml::debug("\n<br>result:$Apache::caparesponse::result:$result:$Apache::lonxml::curdepth<br>\n");
   85: 	}
   86:       }
   87:     }
   88:   }
   89:   &Apache::response::end_response;
   90:   return $result;
   91: }
   92: 
   93: 1;
   94: __END__
   95: