--- loncom/homework/rankresponse.pm	2004/02/09 19:38:00	1.28
+++ loncom/homework/rankresponse.pm	2004/08/25 19:38:58	1.35
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.28 2004/02/09 19:38:00 albertel Exp $
+# $Id: rankresponse.pm,v 1.35 2004/08/25 19:38:58 sakharuk Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -28,7 +28,8 @@
 package Apache::rankresponse;
 use strict;
 use HTML::Entities();
-use Apache::optionresponse;
+use Apache::optionresponse();
+use Apache::lonlocal;
 
 BEGIN {
     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
@@ -43,6 +44,7 @@ sub start_rankresponse {
     push (@Apache::lonxml::namespace,'rankresponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);
     %Apache::hint::rank=();
+    undef(%Apache::response::foilnames);
     if ($target eq 'meta') {
 	$result=&Apache::response::meta_package_write('rankresponse');
     } elsif ($target eq 'edit' ) {
@@ -77,6 +79,7 @@ sub end_rankresponse {
     pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::rankresponse',
 				('foilgroup','foil','conceptgroup'));
+    undef(%Apache::response::foilnames);
     return $result;
 }
 
@@ -86,7 +89,7 @@ sub start_foilgroup {
     my $result;
     %Apache::response::foilgroup=();
     $Apache::rankresponse::conceptgroup=0;
-    &Apache::response::setrandomnumber();
+    &Apache::response::pushrandomnumber();
     return $result;
 }
 
@@ -115,6 +118,7 @@ sub end_foilgroup {
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::end_table();
     }
+    &Apache::response::poprandomnumber();
     return $result;
 }
 
@@ -256,7 +260,7 @@ sub displayfoils {
 	}
     } else {
 	my $i = 0;
-	my $temp=0;
+	my $temp=1;
 	my $id=$Apache::inputtags::response[-1];
 	my $part=$Apache::inputtags::part;
 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
@@ -295,8 +299,8 @@ sub displayfoils {
 		}
 	    } else {
 		if ($Apache::lonhomework::type eq 'exam') {
-		    $result.='\vskip 0 mm   '.$text.' \vskip -3 mm '."\n";
-		    $result.='\vskip -5 mm\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';
+		    $result.='\vskip 0 mm   '.$text.' \vskip 0 mm '."\n";
+		    $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponce').'\end{enumerate} \vskip -8 mm \strut ';
 		    $internal_counter++;
 		} else {
 		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
@@ -406,10 +410,15 @@ sub end_foil {
 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
-	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
 	    &Apache::lonxml::debug("Got a name of :$name:");
 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
 	    &Apache::lonxml::debug("Using a name of :$name:");
+	    if (defined($Apache::response::foilnames{$name})) {
+		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
+	    }
+	    $Apache::response::foilnames{$name}++;
+	    my $location =&Apache::lonxml::get_param('location',$parstack,
+						     $safeeval);
 	    if ( $Apache::rankresponse::conceptgroup
 		 && !&Apache::response::showallfoils() ) {
 		push @{ $Apache::response::conceptgroup{'names'} }, $name;