--- loncom/homework/optionresponse.pm	2002/11/11 20:26:59	1.62
+++ loncom/homework/optionresponse.pm	2003/03/26 18:42:29	1.69
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: optionresponse.pm,v 1.62 2002/11/11 20:26:59 albertel Exp $
+# $Id: optionresponse.pm,v 1.69 2003/03/26 18:42:29 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,6 +31,8 @@ package Apache::optionresponse;
 use strict;
 use Apache::response;
 
+my $flag_for_exam_printing = 1;
+
 BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
 }
@@ -141,7 +143,7 @@ ENDTABLE
       $result.=')">';
     } # else nothing changed so just use the default mechanism
   }
-  if ($target eq 'tex') {
+  if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       $result .= ' \begin{enumerate} ';
   }
   return $result;
@@ -230,7 +232,7 @@ sub end_foilgroup {
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::end_table();
   }  
-  if ($target eq 'tex') {$result .= '\end{enumerate}';}
+  if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {$result .= '\end{enumerate}';}
   return $result;
 }
 
@@ -248,6 +250,7 @@ sub whichfoils {
   my ($max,$randomize)=@_;
   $max = &getfoilcounts($max);
   &Apache::lonxml::debug("randomize $randomize");
+  if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt =();
   my (%top,@toplist,%bottom,@bottomlist);
@@ -294,6 +297,7 @@ sub whichfoils {
 
 sub displayanswers {
   my ($max,$randomize,@opt)=@_;
+  if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt = &whichfoils($max,$randomize);
   my $result=&Apache::response::answer_header('optionresponse');
@@ -307,6 +311,7 @@ sub displayanswers {
 
 sub displayfoils {
   my ($target,$max,$randomize,@opt)=@_;
+  if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };
   my @truelist;
   my @falselist;
@@ -319,8 +324,11 @@ sub displayfoils {
   my $part=$Apache::inputtags::part;
   my $id=$Apache::inputtags::response[-1];
   my $break;
-  if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {    
-    my $temp=1; ####
+  my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
+  my $status=$Apache::inputtags::status[-1];
+  if (
+      ($target ne 'tex') &&
+      (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) {
     foreach $name (@whichopt) {
 	my $text=$Apache::response::foilgroup{$name.'.text'};
 	if ($text!~/^\s*$/) {
@@ -353,7 +361,6 @@ sub displayfoils {
 	  $result.=&bubbles(\@alphabet,\@opt);
         }
       }
-    $temp++;
     }
   } else {
     my $temp=1;
@@ -396,27 +403,27 @@ sub displayfoils {
 	      if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
 		if ($Apache::lonhomework::type eq 'exam') {
-	          $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
+	          $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
 	        }
 	        if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
 	          $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
-	          $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
 	        }
+		$result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
 	      } else {
 		  if ($Apache::lonhomework::type eq 'exam') {
-		      $result.= $texoptionlist.'\vspace*{-2 mm}\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
+		      $result.= $texoptionlist.'  '.$Apache::response::foilgroup{$name.'.text'};
 		  } else {
 		      $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
 		  }
 	      }
 	      if ($Apache::lonhomework::type eq 'exam') {
-		  $result.=&bubbles(\@alphabet,\@opt);
+		  $result.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
 	      }
 	      $displayoptionintex=1;
 	  } else {
 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
 		  if ($Apache::lonhomework::type eq 'exam') {
-		      $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
+		      $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
 		  }
 	        if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
 	          $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
@@ -424,13 +431,13 @@ sub displayfoils {
 		$result.= $Apache::response::foilgroup{$name.'.text'};
 	      } else {
 		  if ($Apache::lonhomework::type eq 'exam') {
-		      $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
+		      $result.= '  '.$Apache::response::foilgroup{$name.'.text'};
 		  } else {
 		      $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
 		  }
 	      }
 	      if ($Apache::lonhomework::type eq 'exam') {
-		  $result.=&bubbles(\@alphabet,\@opt);
+		  $result.='\vskip -2 mm \parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
 	      }
 	  }
       }
@@ -455,6 +462,7 @@ sub optionlist_correction {
     $texoptionlist =~ s/>/\$>\$/g;
     $texoptionlist =~ s/</\$<\$/g;
     $texoptionlist =~ s/=/\$=\$/g;
+    $texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
     return $texoptionlist;
 }
 
@@ -610,7 +618,7 @@ sub end_foil {
   my $result = '';
   if ($target eq 'web' || $target eq 'tex') { 
       $text=&Apache::lonxml::endredirection;
-      if ($target eq 'tex') { $text = '\vspace*{-2 mm}\item '.$text; }
+      if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
   }
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
       || $target eq 'tex' || $target eq 'analyze') {
@@ -625,12 +633,28 @@ sub end_foil {
 	   && !&Apache::response::showallfoils() ) {
 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
 	$Apache::response::conceptgroup{"$name.value"} = $value;
-	$Apache::response::conceptgroup{"$name.text"} = $text;
+	if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam' and $flag_for_exam_printing) {
+	    $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
+	} else {
+	    if ($target eq 'tex') {
+		$Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
+	    } else {
+		$Apache::response::conceptgroup{"$name.text"} = $text;
+	    }
+	}
 	$Apache::response::conceptgroup{"$name.location"} = $location;
       } else {
 	push @{ $Apache::response::foilgroup{'names'} }, $name;
 	$Apache::response::foilgroup{"$name.value"} = $value;
-	$Apache::response::foilgroup{"$name.text"} = $text;
+	if ($Apache::lonhomework::type eq 'exam' and $flag_for_exam_printing) {
+	    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
+	} else {
+	    if ($target eq 'tex') {
+		$Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
+	    } else {
+		$Apache::response::foilgroup{"$name.text"} = $text;
+	    }
+	}
 	$Apache::response::foilgroup{"$name.location"} = $location;
       }
     }