loncom/interface/lonnavmaps.pm - diff

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-version 1.289, 2004/09/14 18:05:30
+version 1.291, 2004/09/16 16:56:37
  Line 3905  Returns the number of parts of the probl
  for single part problems, returns 1. For multipart, it returns the
  number of parts in the problem, not including psuedo-part 0.
+ =item * B<countResponses>():
+ Returns the total number of responses in the problem a student can answer.
+ =item * B<responseTypes>():
+ Returns a hash whose keys are the response types.  The values are the number
+ of times each response type is used.  This is for the I<entire> problem, not
+ just a single part.
  =item * B<multipart>():
  Returns true if the problem is multipart, false otherwise. Use this instead
- Line 3951  sub countParts {
+ Line 3961  sub countParts {
      return scalar(@{$parts}); # + $delta;
  }
+ sub countResponses {
+     my $self = shift;
+     my $count;
+     foreach my $part ($self->parts()) {
+         $count+= $self->responseIds($part);
+     }
+     return $count;
+ }
+ sub responseTypes {
+     my $self = shift;
+     my %responses;
+     foreach my $part ($self->parts()) {
+         foreach my $responsetype ($self->responseType($part)) {
+             $responses{$responsetype}++ if (defined($responsetype));
+         }
+     }
+     return %responses;
+ }
  sub multipart {
      my $self = shift;
      return $self->countParts() > 1;