--- loncom/homework/radiobuttonresponse.pm	2004/03/31 05:23:59	1.87
+++ loncom/homework/radiobuttonresponse.pm	2004/08/27 21:47:34	1.92
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.87 2004/03/31 05:23:59 albertel Exp $
+# $Id: radiobuttonresponse.pm,v 1.92 2004/08/27 21:47:34 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -77,6 +77,8 @@ sub start_radiobuttonresponse {
 	    $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
 	} elsif ($type eq 'i') {
 	    $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
+	} else {
+	    $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
 	}
 	$result .= '\begin{enumerate}';
     } elsif ($target eq 'analyze') {
@@ -104,7 +106,7 @@ sub start_foilgroup {
     my $result;
     %Apache::response::foilgroup=();
     $Apache::radiobuttonresponse::conceptgroup=0;
-    &Apache::response::setrandomnumber();
+    &Apache::response::pushrandomnumber();
     if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
 	$result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
     }
@@ -179,8 +181,11 @@ sub end_foilgroup {
 						 '-2');
 	    my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
 						       $safeeval,'-2');
+	    my $direction = &Apache::lonxml::get_param('direction',$parstack,
+						       $safeeval,'-2');
+	    &Apache::lonxml::debug("direction is $direction");
 	    if ($target eq 'web' || $target eq 'tex') {
-		$result=&displayfoils($target,$max,$randomize);
+		$result=&displayfoils($target,$max,$randomize,$direction);
 	    } elsif ($target eq 'answer' ) {
 		$result=&displayanswers($max,$randomize);
 	    } elsif ( $target eq 'grade') {
@@ -195,6 +200,7 @@ sub end_foilgroup {
 	    }
 	}
     }
+    &Apache::response::poprandomnumber();
     &Apache::lonxml::increment_counter();
     return $result;
 }
@@ -245,7 +251,7 @@ sub displayallfoils {
 	    if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
 		$result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
 		if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
-		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
+		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>";
 		$temp++;
 	    }
 	}
@@ -387,7 +393,7 @@ sub whichfoils {
 }
 
 sub displayfoils {
-    my ($target,$max,$randomize)=@_;
+    my ($target,$max,$randomize,$direction)=@_;
     my $result;
 
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
@@ -395,7 +401,15 @@ sub displayfoils {
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     if ( ($target ne 'tex') &&
 	 &Apache::response::show_answer() ) {
+	if ($direction eq 'horizontal') {
+	    if ($target ne 'tex') {
+		$result.='<table><tr>';
+	    }
+	}
 	foreach my $name (@whichfoils) {
+	    if ($direction eq 'horizontal') {
+		if ($target ne 'tex') { $result.='<td>'; }
+	    }
 	    if ($target ne 'tex') {
 		$result.="<br />";
 	    } else {
@@ -406,14 +420,19 @@ sub displayfoils {
 	    } else {
 		$result.='Incorrect:';
 	    }
-	    if ($target ne 'tex') {
-		$result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
-	    } else {
-		$result.=$Apache::response::foilgroup{$name.'.text'};
-	    }
+	    $result.=$Apache::response::foilgroup{$name.'.text'};
+	    if ($target eq 'web') { $result.="</input>"; }
 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
 		if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
 	    }
+	    if ($direction eq 'horizontal') {
+		if ($target ne 'tex') { $result.='</td>'; }
+	    }
+	}
+	if ($direction eq 'horizontal') {
+	    if ($target ne 'tex') {
+		$result.='</tr></table>';
+	    }
 	}
     } else {
 	my @alphabet = ('A'..'Z');
@@ -423,11 +442,21 @@ sub displayfoils {
 	my $part=$Apache::inputtags::part;
 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
+	if ($target ne 'tex' && $direction eq 'horizontal') {
+	    $result.="<table><tr>";
+	}
 	foreach my $name (@whichfoils) {
 	    if ($target ne 'tex') {
-		$result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
+		if ($direction eq 'horizontal') {
+		    $result.="<td>"; 
+		} else { 
+		    $result.="<br />";
+		} 
+	    }
+	    if ($target ne 'tex') { 
+		$result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
 		if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
-		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
+		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>";
 	    } else {
 		if ($Apache::lonhomework::type eq 'exam') {
 		    $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
@@ -436,10 +465,16 @@ sub displayfoils {
 		    $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
 		}
 	    }
+	    if ($target ne 'tex' && $direction eq 'horizontal') {
+		$result.="</td>"; 
+	    }
 	    $temp++;
 	}
+	if ($target ne 'tex' && $direction eq 'horizontal') {
+	    $result.="</tr></table>";
+	}
     }
-    if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
+    if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
     return $result;
 }