--- loncom/homework/optionresponse.pm	2002/10/01 14:39:45	1.49
+++ loncom/homework/optionresponse.pm	2002/10/01 20:17:04	1.50
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: optionresponse.pm,v 1.49 2002/10/01 14:39:45 sakharuk Exp $
+# $Id: optionresponse.pm,v 1.50 2002/10/01 20:17:04 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -354,33 +354,15 @@ sub displayfoils {
 	  $temp++;
       } else {
 	  if ($displayoptionintex == 0) {
-              my $texoptionlist = $optionlist;
-	      $texoptionlist =~ s/<option><\/option>/\\item \[\] The possible answers are:/;
-	      $texoptionlist =~ s/<option>/{\\bf /g;
-	      $texoptionlist =~ s/<option selected="on">/{\\bf /g;
-	      $texoptionlist =~ s/<\/option>/},/g;
-	      $texoptionlist =~ s/,$/\./g;
-	      $texoptionlist =~ s/>/\$>\$/g;
-	      $texoptionlist =~ s/</\$<\$/g;
-	      $texoptionlist =~ s/=/\$=\$/g;
+              my $texoptionlist = &optionlist_correction($optionlist);
 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
 		  $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
 	      } else {
 		  $result.= $texoptionlist.'\item '.$Apache::response::foilgroup{$name.'.text'};
 	      }
-		  if ($Apache::lonhomework::type eq 'exam') {
-		      my $number_of_bubbles = $#opt + 1;
-		      $result.= '\vskip 2 mm \noindent \begin{tabular}{|';
-		      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
-			  $result.='lr|';
-		      }
-		      $result.='}\hline ';
-		      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
-			  $result.=' '.$alphabet[$ind].': & '.$opt[$ind].' ';
-			  if ($ind != $number_of_bubbles - 1) {$result.=' & ';}
-		      }
-		      $result.='\\\\\hline\end{tabular}\vskip 0 mm ';
-		  }
+	      if ($Apache::lonhomework::type eq 'exam') {
+		  $result.=&bubbles(\@alphabet,\@opt);
+	      }
 	      $displayoptionintex=1;
 	  } else {
 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
@@ -388,19 +370,9 @@ sub displayfoils {
 	      } else {
 		  $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
 	      }
-		  if ($Apache::lonhomework::type eq 'exam') {
-		      my $number_of_bubbles = $#opt + 1;
-		      $result.= '\vskip 2 mm \noindent \begin{tabular}{|';
-		      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
-			  $result.='lr|';
-		      }
-		      $result.='}\hline ';
-		      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
-			  $result.=' '.$alphabet[$ind].': & '.$opt[$ind].' ';
-			  if ($ind != $number_of_bubbles - 1) {$result.=' & ';}
-		      }
-		      $result.='\\\\\hline\end{tabular}\vskip 0 mm ';
-		  }
+	      if ($Apache::lonhomework::type eq 'exam') {
+		  $result.=&bubbles(\@alphabet,\@opt);
+	      }
 	  }
       } 
     }
@@ -414,6 +386,42 @@ sub displayfoils {
 }
 
 
+sub optionlist_correction {
+
+    my $texoptionlist = shift;
+    $texoptionlist =~ s/<option><\/option>/\\item \[\] The possible answers are:/;
+    $texoptionlist =~ s/<option>/\{\\bf /g;
+    $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
+    $texoptionlist =~ s/<\/option>/\},/g;
+    $texoptionlist =~ s/,$/\./g;
+    $texoptionlist =~ s/>/\$>\$/g;
+    $texoptionlist =~ s/</\$<\$/g;
+    $texoptionlist =~ s/=/\$=\$/g;
+    return $texoptionlist;
+}
+
+
+sub bubbles {
+
+    my ($ralphabit,$ropt) = @_;
+    my @alphabet = @$ralphabit;
+    my @opt = @$ropt;
+    my $result='';
+    my $number_of_bubbles = $#opt + 1;
+    $result.= '\vskip 2 mm \noindent \begin{tabular}{|';
+    for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
+	$result.='lr|';
+    }
+    $result.='}\hline ';
+    for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
+	$result.=' '.$alphabet[$ind].': & '.$opt[$ind].' ';
+	if ($ind != $number_of_bubbles - 1) {$result.=' & ';}
+    }
+    $result.='\\\\\hline\end{tabular}\vskip 0 mm ';
+    return $result;
+}
+
+
 sub start_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::optionresponse::conceptgroup=1;