--- loncom/homework/radiobuttonresponse.pm	2007/10/15 09:47:29	1.129
+++ loncom/homework/radiobuttonresponse.pm	2008/09/05 12:50:45	1.135
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.129 2007/10/15 09:47:29 foxr Exp $
+# $Id: radiobuttonresponse.pm,v 1.135 2008/09/05 12:50:45 onken Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -18,8 +18,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with LON-CAPA; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# along with LON-CAPA; if not, write to the Free Software# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
 # /home/httpd/html/adm/gpl.txt
 #
@@ -101,9 +100,15 @@ sub start_radiobuttonresponse {
 	} else {
 	    $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
 	}
-	$result .= '\begin{enumerate}';
+        if($env{'form.pdfFormFields'} eq 'yes') {
+            $result .= &Apache::lonxml::print_pdf_hiddenfield('meta', $env{'user.name'}, $env{'user.domain'});
+            $result .= "\n\\\\\n\\\\\n";
+        } else {
+            $result .= '\begin{enumerate}';
+        }
     } elsif ($target eq 'analyze') {
 	my $part_id="$Apache::inputtags::part.$id";
+        $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
     }
     return $result;
@@ -113,7 +118,9 @@ sub end_radiobuttonresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
-    if ($target eq 'tex') { $result .= '\end{enumerate}'; }
+    if ($target eq 'tex' and $env{'form.pdfFormFields'} ne 'yes') { 
+        $result .= '\end{enumerate}'; 
+    }
     &Apache::response::end_response;
     pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
@@ -250,8 +257,7 @@ sub end_foilgroup {
 		my $part_id="$part.$id";
 		push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
 		      ('true','false'));
-		push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
-		      $bubble_lines);
+
 	    }
 	}
 	$Apache::lonxml::post_evaluate=0;
@@ -348,13 +354,27 @@ sub displayallfoils {
 		    $result.="<td>";
 		} else {
 		    if ($target eq 'tex') {
-			$result .= '\item \vskip -2mm ';
-		    } else {
+		        if($env{'form.pdfFormFields'} eq 'yes') {
+                            my $fieldname = $env{'request.symb'}.
+                                           '&part_'. $Apache::inputtags::part.
+                                           '&radiobuttonresponse'.
+                                           '&HWVAL_' . $Apache::inputtags::response['-1'];
+                            my $value = $temp;
+                            my $text = $Apache::response::foilgroup{$name.'.text'};
+                            $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname,
+                                                                             $value,
+                                                                             $text)."\n";
+                        } else {
+                            $result .= '\item \vskip -2mm ';
+                        }
+                    } else {
 			$result.="<br />";
 		    }
 		}
 		if ($target eq 'tex') {
-		    $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
+		    if($env{'form.pdfFormFields'} ne 'yes') {
+                        $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
+                    }
 		    $i++;
 		} else {
 		    $result .= '<label>';
@@ -443,7 +463,7 @@ sub whichfoils {
 	    }
 	}
 	if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
-	    &Apache::lonxml::error("There are no true statements available.<br />");
+	    &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
 	}
     } else {
 	my $current=0;
@@ -504,7 +524,7 @@ sub whichfoils {
 	my $dosplice=1;
 	if ($notrue && $Apache::lonhomework::type ne 'survey') {
 	    $dosplice=0;
-	    &Apache::lonxml::error("There are no true statements available.<br />");
+	    &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
 	}
 	#insert the true statement, keeping track of where it wants to be
 	if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
@@ -568,9 +588,13 @@ sub displayfoils {
 		$result.='\item \vskip -2 mm  ';
 	    }
 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
-		if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
+		if ($target ne 'tex') {
+                    $result.=&mt('Correct:').'<b>';
+                } else {
+                    $result.=&mt('Correct:').' \textbf{';
+                }
 	    } else {
-		$result.='Incorrect:';
+		$result.=&mt('Incorrect:');
 	    }
 	    if ($target eq 'web') { $result.="<label>"; }
 	    $result.=$Apache::response::foilgroup{$name.'.text'};
@@ -629,8 +653,19 @@ sub displayfoils {
 		    $i++;
 		    $bubble_number++;
 		} else {
-		    $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
-		}
+		      if($env{'form.pdfFormFields'} eq 'yes') {
+
+                         my $fieldname = $env{'request.symb'}.
+                                         '&part_'. $Apache::inputtags::part.
+                                         '&radiobuttonresponse'.
+                                         '&HWVAL_' . $Apache::inputtags::response['-1'];
+                         my $value = $temp;
+                         my $text = $Apache::response::foilgroup{$name.'.text'};
+                         $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname, $value, $text).'\newline'."\n";
+                     } else { 
+                         $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
+                     }
+                }
 	    }
 	    if ($target ne 'tex' && $direction eq 'horizontal') {
 		$result.="</td>"; 
@@ -761,11 +796,11 @@ sub end_foil {
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
 	    if ($name eq "") {
-		&Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
+		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
 		$name=$Apache::lonxml::curdepth;
 	    }
 	    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.",$name));
+		&Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
 	    }
 	    $Apache::response::foilnames{$name}++;
 	    my $location =&Apache::lonxml::get_param('location',$parstack,