--- loncom/homework/grades.pm	2005/06/04 19:05:31	1.273
+++ loncom/homework/grades.pm	2006/02/07 13:38:16	1.310
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.273 2005/06/04 19:05:31 albertel Exp $
+# $Id: grades.pm,v 1.310 2006/02/07 13:38:16 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -334,7 +334,16 @@ COMMONJSFUNCTIONS
 #--- section, ids and fullnames for each user.
 sub getclasslist {
     my ($getsec,$filterlist) = @_;
-    $getsec = $getsec eq '' ? 'all' : $getsec;
+    my @getsec;
+    if (!ref($getsec)) {
+	if ($getsec ne '' && $getsec ne 'all') {
+	    @getsec=($getsec);
+	}
+    } else {
+	@getsec=@{$getsec};
+    }
+    if (grep(/^all$/,@getsec)) { undef(@getsec); }
+
     my $classlist=&Apache::loncoursedata::get_classlist();
     # Bail out if we were unable to get the classlist
     return if (! defined($classlist));
@@ -363,7 +372,7 @@ sub getclasslist {
 	}
 	$section = ($section ne '' ? $section : 'none');
 	if (&canview($section)) {
-	    if ($getsec eq 'all' || $getsec eq $section) {
+	    if (!@getsec || grep(/^\Q$section\E$/,@getsec)) {
 		$sections{$section}++;
 		$fullnames{$student}=$fullname;
 	    } else {
@@ -471,6 +480,10 @@ sub most_similar {
 
     $uessay=~s/\W+/ /gs;
 
+# ignore empty submissions (occuring when only files are sent)
+
+    unless ($uessay=~/\w+/) { return ''; }
+
 # these will be returned. Do not care if not at least 50 percent similar
     my $limit=0.6;
     my $sname='';
@@ -532,7 +545,13 @@ sub verifyreceipt {
     if ($env{"course.$courseid.receiptalg"} eq 'receipt2') { $receiptparts=1; }
     my $parts=['0'];
     if ($receiptparts) { ($parts)=&response_type($url,$symb); }
-    foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach (sort 
+	     {
+		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
+		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
+		 }
+		 return $a cmp $b;
+	     } (keys(%$fullname))) {
 	my ($uname,$udom)=split(/\:/);
 	foreach my $part (@$parts) {
 	    if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
@@ -685,12 +704,16 @@ LISTJAVASCRIPT
     while ($loop < 2) {
 	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
 	    '<td>'.&nameUserString('header').'&nbsp;Section/Group</td>';
-	if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+	if ($env{'form.showgrading'} eq 'yes' 
+	    && $submitonly ne 'queued'
+	    && $submitonly ne 'all') {
 	    foreach (sort(@$partlist)) {
 		my $display_part=&get_display_part((split(/_/))[0],$url,$symb);
 		$gradeTable.='<td><b>&nbsp;Part: '.$display_part.
 		    ' Status&nbsp;</b></td>';
 	    }
+	} elsif ($submitonly eq 'queued') {
+	    $gradeTable.='<td><b>&nbsp;'.&mt('Queue Status').'&nbsp;</b></td>';
 	}
 	$loop++;
 #	$gradeTable.='<td></td>' if ($loop%2 ==1);
@@ -698,10 +721,29 @@ LISTJAVASCRIPT
     $gradeTable.='</tr>'."\n";
 
     my $ctr = 0;
-    foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach my $student (sort 
+			 {
+			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
+				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
+			     }
+			     return $a cmp $b;
+			 }
+			 (keys(%$fullname))) {
 	my ($uname,$udom) = split(/:/,$student);
+
 	my %status = ();
-	if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+
+	if ($submitonly eq 'queued') {
+	    my %queue_status = 
+		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
+							$udom,$uname);
+	    next if (!defined($queue_status{'gradingqueue'}));
+	    $status{'gradingqueue'} = $queue_status{'gradingqueue'};
+	}
+
+	if ($env{'form.showgrading'} eq 'yes' 
+	    && $submitonly ne 'queued'
+	    && $submitonly ne 'all') {
 	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
 	    my $submitted = 0;
 	    my $graded = 0;
@@ -743,7 +785,7 @@ LISTJAVASCRIPT
 	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
 		foreach (sort keys(%status)) {
 		    next if (/^resource.*?submitted_by$/);
-		    $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
+		    $gradeTable.='<td align="center">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
 		}
 	    }
 #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
@@ -752,10 +794,14 @@ LISTJAVASCRIPT
     }
     if ($ctr%2 ==1) {
 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
-	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+	    if ($env{'form.showgrading'} eq 'yes' 
+		&& $submitonly ne 'queued'
+		&& $submitonly ne 'all') {
 		foreach (@$partlist) {
 		    $gradeTable.='<td>&nbsp;</td>';
 		}
+	    } elsif ($submitonly eq 'queued') {
+		$gradeTable.='<td>&nbsp;</td>';
 	    }
 	$gradeTable.='</tr>';
     }
@@ -772,6 +818,7 @@ LISTJAVASCRIPT
 	    my $submissions='submissions';
 	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
 	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
+	    if ($submitonly eq 'queued'   ) { $submissions = 'queued submissions'; }
 	    $gradeTable='<br />&nbsp;<font color="red">'.
 		'No '.$submissions.' found for this resource for any students. ('.$num_students.
 		' students checked for '.$submissions.')</font><br />';
@@ -1366,10 +1413,10 @@ sub gradeBox {
     my $ctr = 0;
     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
     while ($ctr<=$wgt) {
-	$result.= '<td><nobr><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
+	$result.= '<td><nobr><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
 	    $ctr.')" value="'.$ctr.'" '.
-	    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</nobr></td>\n";
+	    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</label></nobr></td>\n";
 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
 	$ctr++;
     }
@@ -1530,7 +1577,7 @@ sub submission {
 	}
 	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
 
-	$request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
+	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
 			'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
 			'<input type="hidden" name="Status"     value="'.$env{'form.Status'}.'" />'."\n".
@@ -1760,9 +1807,15 @@ KEYWORDS
 			}
 			if (@files) {
 			    $lastsubonly.='<br /><font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
+			    my $file_counter = 0;
 			    foreach my $file (@files) {
+			        $file_counter ++;
 				&Apache::lonnet::allowuploaded('/adm/grades',$file);
 				$lastsubonly.='<br /><a href="'.$file.'" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
+				$lastsubonly.=' Return commented document to student. <input type="file" name="part'.$partid.'_returndoc';
+				$lastsubonly.=$file_counter.'" />'."\n";
+				$lastsubonly.='<input type="hidden" name="returndocorig'.$file_counter.'" value="'.$file.'" />';
+
 			    }
 			    $lastsubonly.='<br />';
 			}
@@ -1818,13 +1871,24 @@ KEYWORDS
 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
 	    ',\''.$msgfor.'\')"; TARGET=_self>'.
-	    'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
+	    &mt('Compose message to student').(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> ('.
+	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" />)'.
 	    '<img src="'.$request->dir_config('lonIconsURL').
 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
-	    '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
-	    if ($env{'form.handgrade'} eq 'yes');
+	    '<br />&nbsp;('.
+	    &mt('Message will be sent when you click on Save & Next below.').")\n";
 	$request->print($result);
     }
+    if ($perm{'vgr'}) {
+	$request->print('<br />'.
+	    &Apache::loncommon::track_student_link(&mt('View recent activity'),
+						   $uname,$udom,'check'));
+    }
+    if ($perm{'opa'}) {
+	$request->print('<br />'.
+	    &Apache::loncommon::pprmlink(&mt('Set/Change parameters'),
+					 $uname,$udom,$symb,'check'));
+    }
 
     my %seen = ();
     my @partlist;
@@ -1923,6 +1987,9 @@ sub processHandGrade {
     my $button = $env{'form.gradeOpt'};
     my $ngrade = $env{'form.NCT'};
     my $ntstu  = $env{'form.NTSTU'};
+    my $cdom   = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum   = $env{'course.'.$env{'request.course.id'}.'.num'};
+
     if ($button eq 'Save & Next') {
 	my $ctr = 0;
 	while ($ctr < $ngrade) {
@@ -1940,35 +2007,40 @@ sub processHandGrade {
 	    my $includemsg = $env{'form.includemsg'.$ctr};
 	    my ($subject,$message,$msgstatus) = ('','','');
 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
-		$subject = $env{'form.msgsub'} if ($includemsg =~ /^msgsub/);
+		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
+		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
 		my (@msgnum) = split(/,/,$includemsg);
 		foreach (@msgnum) {
 		    $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
 		}
 		$message =&Apache::lonfeedback::clear_out_html($message);
-		$message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
-		$message.=" for <a href=\"".
+		if ($env{'form.withgrades'.$ctr}) {
+		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
+		    $message.=" for <a href=\"".
 		    &Apache::lonnet::clutter($url).
 		    "?symb=$symb\">$env{'form.probTitle'}</a>";
+		}
 		$msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
-							       $env{'form.msgsub'},$message);
+							       $subject.' ['.
+							       &Apache::lonnet::declutter($url).']',$message);
+		$request->print('<br />'.&mt('Sending message to [_1]@[_2]',$uname,$udom).': '.
+				$msgstatus);
 	    }
 	    if ($env{'form.collaborator'.$ctr}) {
 		my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
 		foreach my $collabstr (@collabstrs) {
 		    my ($part,@collaborators) = split(/:/,$collabstr);
-		    foreach (@collaborators) {
+		    foreach my $collaborator (@collaborators) {
 			my ($errorflag,$pts,$wgt) = 
-			    &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
+			    &saveHandGrade($request,$url,$symb,$collaborator,$udom,$ctr,
 					   $env{'form.unamedom'.$ctr},$part);
 			if ($errorflag eq 'not_allowed') {
-			    $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
+			    $request->print("<font color=\"red\">Not allowed to modify grades for $collaborator:$udom</font>");
 			    next;
 			} else {
 			    if ($message ne '') {
-				$msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$env{'form.msgsub'},$message);
+				$msgstatus = &Apache::lonmsg::user_normal_msg($collaborator,$udom,$env{'form.msgsub'},$message);
 			    }
-			    
 			}
 		    }
 		}
@@ -2014,9 +2086,7 @@ sub processHandGrade {
 	$env{'form.savemsgN'} = --$idx;
 	$keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'};
 	my $putresult = &Apache::lonnet::put
-	    ('nohist_handgrade',\%keyhash,
-	     $env{'course.'.$env{'request.course.id'}.'.domain'},
-	     $env{'course.'.$env{'request.course.id'}.'.num'});
+	    ('nohist_handgrade',\%keyhash,$cdom,$cnum);
     }
     # Called by Save & Refresh from Highlight Attribute Window
     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
@@ -2060,7 +2130,13 @@ sub processHandGrade {
 
     my (@parsedlist,@nextlist);
     my ($nextflg) = 0;
-    foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach (sort 
+	     {
+		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
+		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
+		 }
+		 return $a cmp $b;
+	     } (keys(%$fullname))) {
 	if ($nextflg == 1 && $button =~ /Next$/) {
 	    push @parsedlist,$_;
 	}
@@ -2076,6 +2152,14 @@ sub processHandGrade {
     foreach my $student (@parsedlist) {
 	my $submitonly=$env{'form.submitonly'};
 	my ($uname,$udom) = split(/:/,$student);
+	
+	if ($submitonly eq 'queued') {
+	    my %queue_status = 
+		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
+							$udom,$uname);
+	    next if (!defined($queue_status{'gradingqueue'}));
+	}
+
 	if ($submitonly =~ /^(yes|graded|incorrect)$/) {
 #	    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
 	    my %status=&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
@@ -2117,7 +2201,7 @@ sub processHandGrade {
 	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
-	$the_end.=&show_grading_menu_form ($symb,$url);
+	$the_end.=&show_grading_menu_form($symb,$url);
 	$request->print($the_end);
     }
     return '';
@@ -2136,8 +2220,11 @@ sub saveHandGrade {
     my ($pts,$wgt) = ('','');
     my %aggregate = ();
     my $aggregateflag = 0;
-    foreach my $new_part (split(/:/,$env{'form.partlist'.$newflg})) {
+
+    my @parts = split(/:/,$env{'form.partlist'.$newflg});
+    foreach my $new_part (@parts) {
 	#collaborator may vary for different parts
+	$request->print('form.part'.$new_part.'_returndoc1');
 	if ($submitter && $new_part ne $part) { next; }
 	my $dropMenu = $env{'form.GD_SEL'.$newflg.'_'.$new_part};
 	if ($dropMenu eq 'excused') {
@@ -2206,24 +2293,60 @@ sub saveHandGrade {
 	    $newrecord{'resource.'.$new_part.'.regrader'}=
 		"$env{'user.name'}:$env{'user.domain'}";
 	}
+	$request->print('form.part'.$new_part.'_returndoc1');
+        if ($env{'form.part'.$new_part.'_returndoc1'}) {
+            # if multiple files are uploaded names will be 'returndoc2', 'returndoc3'
+            my $portfolio_root = &Apache::loncommon::propath($domain,
+    					 $stuname).
+    					'/userfiles/portfolio';
+                $request->print('<br>'.$portfolio_root.'<br>');
+    #                my $result=&Apache::lonnet::userfileupload('uploaddoc','',
+    #	        	 'portfolio'.$env{'form.currentpath'});
+    
+            my $file_counter = 1;
+            while ($env{'form.'.$new_part.'_returndoc'.$file_counter}) {
+                my $fname=$env{'form.returndoc'.$file_counter.'.filename'};
+                $request->print("<br />".$fname." will be the uploaded file name");
+                $request->print("<font color=\"red\">Will upload document</font>".$env{'form.returndocorig'.$file_counter});
+                $file_counter++;
+            }
+        }
+	
 	# unless problem has been graded, set flag to version the submitted files
-	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override') {
+	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || 
+	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
+	        $dropMenu eq 'reset status')
+	   {
 	    push (@v_flag,$new_part);
 	}
     }
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+
     if (scalar(keys(%newrecord)) > 0) {
         if (scalar(@v_flag)) {
             &version_portfiles(\%record, \@parts_graded, $env{'request.course.id'}, $symb, $domain, $stuname, \@v_flag);
         }
 	&Apache::lonnet::cstore(\%newrecord,$symb,
 				$env{'request.course.id'},$domain,$stuname);
+	
+	my @ungraded_parts;
+	foreach my $part (@parts) {
+	    if ( !defined($record{'resource.'.$part.'.awarded'})
+		 && !defined($newrecord{'resource.'.$part.'.awarded'}) ) {
+		push(@ungraded_parts, $part);
+	    }
+	}
+	if ( !@ungraded_parts ) {
+	    &Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom,
+						   $cnum,$domain,$stuname);
+	}
     }
     if ($aggregateflag) {
         &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
-                  $env{'course.'.$env{'request.course.id'}.'.domain'},
-                  $env{'course.'.$env{'request.course.id'}.'.num'});
+			      $cdom,$cnum);
     }
-    return '',$pts,$wgt;
+    return ('',$pts,$wgt);
 }
 
 # ----------- Provides number of tries since last reset.
@@ -2287,58 +2410,94 @@ sub get_last_resets {
 
 # ----------- Handles creating versions for portfolio files as answers
 sub version_portfiles {
-    my ($record, $parts_graded, $courseid, $symb, $domain, $stuname, $v_flag) = @_;
+    my ($record, $parts_graded, $courseid, $symb, $domain, $stu_name, $v_flag) = @_;
     my $version_parts = join('|',@$v_flag);
     my $parts = join('|', @$parts_graded);
     my $portfolio_root = &Apache::loncommon::propath($domain,
-						 $stuname).
+						 $stu_name).
 						'/userfiles/portfolio';
-    foreach my $key(keys %$record) {
+    foreach my $key (keys(%$record)) {
         my $new_portfiles;
         if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
             my @v_portfiles;
             my @portfiles = split(/,/,$$record{$key});
-            # &Apache::lonnet::logthis("should be unmarking and remarking");
             foreach my $file (@portfiles) {
-                &Apache::lonnet::unmark_as_readonly($domain,$stuname,[$symb,$env{'request.course.id'}],$file);
-                my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*$)/);
+                &Apache::lonnet::unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
+                my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
                 my $version = 0;
-                my @answer_file_parts = split(/\./, $answer_file);
-                my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stuname,$portfolio_root);
-                my @file_names;
-                my @file_name_parts;
-                foreach my $row (@dir_list) {
-                    @file_names = split(/\&/,$row,2);
-                    @file_name_parts = split(/\./, $file_names[0]);
-                    # ($file_name_parts[scalar @file_name_parts] eq $answer_file_parts[scalar @answer_file_parts])
-                    if (($file_name_parts[0] eq $answer_file_parts[0]) && 
-                        ($file_name_parts[-1] eq $answer_file_parts[-1])) {
-                        # gets here if filename and extension match, regardless of version
-                        if (scalar @file_name_parts == 3) { # a versioned file is found
-                            # so save it for later
-                            if ($file_name_parts[1] > $version) {$version = $file_name_parts[1]};
-                        }
-                    }
-                }
-                $version++;
-                my $home_server = &Apache::lonnet::homeserver($stuname,$domain,undef);
-                $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stuname/portfolio$directory$answer_file");
-                if($env{'form.copy'} eq '-1') {
-                    &Apache::lonnet::logthis('problem getting file '.$directory.$answer_file);
-                } else {
-                   my $copy_result = &Apache::lonnet::finishuserfileupload($stuname,$domain,$home_server,'copy',
-                                    '/portfolio'.$directory.$answer_file_parts[0].'.'.$version.'.'.$answer_file_parts[-1]);
-                    push(@v_portfiles, $answer_file_parts[0].'.'.$version.'.'.$answer_file_parts[-1]);
-                    &Apache::lonnet::mark_as_readonly($domain,$stuname,
-                                ['/portfolio'.$directory.$answer_file_parts[0].'.'.$version.'.'.$answer_file_parts[-1]],
-                                [$symb,$env{'request.course.id'},'graded']);
+		my ($answer_name,$answer_ver,$answer_ext) =
+		    &file_name_version_ext($answer_file);
+                my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root);
+                $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
+                my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
+                if ($new_answer ne 'problem getting file') {
+                    push(@v_portfiles, $directory.$new_answer);
+                    &Apache::lonnet::mark_as_readonly($domain,$stu_name,
+                        ['/portfolio'.$directory.$new_answer],
+                        [$symb,$env{'request.course.id'},'graded']);
                 }
+                
             }
             $$record{$key} = join(',',@v_portfiles);
         }
     } 
     return 'ok';   
-    
+}
+
+sub get_next_version {
+    my ($answer_name, $answer_ext, $dir_list);
+    my $version;
+    foreach my $row (@$dir_list) {
+        my ($file) = split(/\&/,$row,2);
+        my ($file_name,$file_version,$file_ext) =
+	    &file_name_version_ext($file);
+        if (($file_name eq $answer_name) && 
+	    ($file_ext eq $answer_ext)) {
+                # gets here if filename and extension match, regardless of version
+                if ($file_version ne '') {
+                # a versioned file is found  so save it for later
+                if ($file_version > $version) {
+		    $version = $file_version;
+	        }
+            }
+        }
+    } 
+    $version ++;
+    return($version);
+}
+
+sub version_selected_portfile {
+    my ($domain,$stu_name,$directory,$file_name,$version) = @_;
+    my ($answer_name,$answer_ver,$answer_ext) =
+        &file_name_version_ext($file_name);
+    my $new_answer;
+    $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
+    if($env{'form.copy'} eq '-1') {
+        &Apache::lonnet::logthis('problem getting file '.$file_name);
+        $new_answer = 'problem getting file';
+    } else {
+        $new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
+        my $copy_result = &Apache::lonnet::finishuserfileupload(
+                            $stu_name,$domain,'copy',
+		        '/portfolio'.$directory.$new_answer);
+    }    
+    return ($new_answer);
+}
+
+sub file_name_version_ext {
+    my ($file)=@_;
+    my @file_parts = split(/\./, $file);
+    my ($name,$version,$ext);
+    if (@file_parts > 1) {
+	$ext=pop(@file_parts);
+	if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
+	    $version=pop(@file_parts);
+	}
+	$name=join('.',@file_parts);
+    } else {
+	$name=join('.',@file_parts);
+    }
+    return($name,$version,$ext);
 }
 
 #--------------------------------------------------------------------------------------
@@ -2390,6 +2549,7 @@ sub viewgrades_js {
 	}
 	for (i=0;i<document.classgrade.total.value;i++) {
 	    var user = document.classgrade["ctr"+i].value;
+	    user = user.replace(new RegExp(':', 'g'),"_");
 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
@@ -2417,6 +2577,7 @@ sub viewgrades_js {
 
 	    for (i=0;i<document.classgrade.total.value;i++) {
 		var user = document.classgrade["ctr"+i].value;
+		user = user.replace(new RegExp(':', 'g'),"_");
 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
@@ -2434,6 +2595,7 @@ sub viewgrades_js {
 	} else {
 	    for (i=0;i<document.classgrade.total.value;i++) {
 		var user = document.classgrade["ctr"+i].value;
+		user = user.replace(new RegExp(':', 'g'),"_");
 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
@@ -2492,6 +2654,7 @@ sub viewgrades_js {
 
 	    for (i=0;i<document.classgrade.total.value;i++) {
 		var user = document.classgrade["ctr"+i].value;
+		user = user.replace(new RegExp(':', 'g'),"_");
 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
@@ -2575,9 +2738,9 @@ sub viewgrades {
 	$result.='<table border="0"><tr>';  
 	my $ctr = 0;
 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
-	    $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.
+	    $result.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
-		','.$ctr.')" />'.$ctr."</td>\n";
+		','.$ctr.')" />'.$ctr."</label></td>\n";
 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
 	    $ctr++;
 	}
@@ -2634,7 +2797,13 @@ sub viewgrades {
     #list all the students - with points and grade status
     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
     my $ctr = 0;
-    foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach (sort 
+	     {
+		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
+		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
+		 }
+		 return $a cmp $b;
+	     } (keys(%$fullname))) {
 	$ctr++;
 	$result.=&viewstudentgrade($url,$symb,$env{'request.course.id'},
 				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
@@ -2656,7 +2825,6 @@ sub viewgrades {
 sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
     my ($uname,$udom) = split(/:/,$student);
-    $student=~s/:/_/;
     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
     my %aggregates = (); 
     my $result='<tr bgcolor="#ffffdd"><td align="right">'.
@@ -2665,10 +2833,11 @@ sub viewstudentgrade {
 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
 	'\')"; TARGET=_self>'.$fullname.'</a> '.
 	'<font color="#999999">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
+    $student=~s/:/_/; # colon doen't work in javascript for names
     foreach my $apart (@$parts) {
 	my ($part,$type) = &split_part_type($apart);
 	my $score=$record{"resource.$part.$type"};
-        $result.='<td align="middle">';
+        $result.='<td align="center">';
         my ($aggtries,$totaltries);
         unless (exists($aggregates{$part})) {
 	    $totaltries = $record{'resource.'.$part.'.tries'};
@@ -2786,12 +2955,10 @@ sub editgrades {
     for ($i=0; $i<$env{'form.total'}; $i++) {
 	my $line;
 	my $user = $env{'form.ctr'.$i};
-	my $usercolon = $user;
-	$usercolon =~s/_/:/;
-	my ($uname,$udom)=split(/_/,$user);
+	my ($uname,$udom)=split(/:/,$user);
 	my %newrecord;
 	my $updateflag = 0;
-	$line .= '<td>'.&nameUserString(undef,$$fullname{$usercolon},$uname,$udom).'</td>';
+	$line .= '<td>'.&nameUserString(undef,$$fullname{$user},$uname,$udom).'</td>';
 	my $usec=$classlist->{"$uname:$udom"}[5];
 	if (!&canmodify($usec)) {
 	    my $numcols=scalar(@partid)*4+2;
@@ -2800,6 +2967,7 @@ sub editgrades {
 	}
         my %aggregate = ();
         my $aggregateflag = 0;
+	$user=~s/:/_/; # colon doen't work in javascript for names
 	foreach (@partid) {
 	    my $old_aw    = $env{'form.GD_'.$user.'_'.$_.'_awarded_s'};
 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
@@ -2819,13 +2987,14 @@ sub editgrades {
 	    my $dropMenu = $env{'form.GD_'.$user.'_'.$_.'_solved'};
 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
 
+	    $newrecord{'resource.'.$_.'.regrader'}=
+		"$env{'user.name'}:$env{'user.domain'}";
 	    if ($dropMenu eq 'reset status' &&
 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
-		$newrecord{'resource.'.$_.'.tries'} = 0;
+		$newrecord{'resource.'.$_.'.tries'} = '';
 		$newrecord{'resource.'.$_.'.solved'} = '';
 		$newrecord{'resource.'.$_.'.award'} = '';
-		$newrecord{'resource.'.$_.'.awarded'} = 0;
-		$newrecord{'resource.'.$_.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
+		$newrecord{'resource.'.$_.'.awarded'} = '';
 		$updateflag = 1;
                 if ($env{'form.GD_'.$user.'_'.$_.'_aggtries'} > 0) {
                     my $aggtries = $env{'form.GD_'.$user.'_'.$_.'_aggtries'};
@@ -2863,10 +3032,38 @@ sub editgrades {
 	    }
 	}
 	$line.='</tr>'."\n";
+
+	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+
 	if ($updateflag) {
 	    $count++;
 	    &Apache::lonnet::cstore(\%newrecord,$symb,$env{'request.course.id'},
 				    $udom,$uname);
+
+	    if (&Apache::bridgetask::in_queue('gradingqueue',$symb,$cdom,
+					      $cnum,$udom,$uname)) {
+		# need to figure out if should be in queue.
+		my %record =  
+		    &Apache::lonnet::restore($symb,$env{'request.course.id'},
+					     $udom,$uname);
+		my $all_graded = 1;
+		my $none_graded = 1;
+		foreach my $part (@parts) {
+		    if ( $record{'resource.'.$part.'.awarded'} eq '' ) {
+			$all_graded = 0;
+		    } else {
+			$none_graded = 0;
+		    }
+		}
+
+		if ($all_graded || $none_graded) {
+		    &Apache::bridgetask::remove_from_queue('gradingqueue',
+							   $symb,$cdom,$cnum,
+							   $udom,$uname);
+		}
+	    }
+
 	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
 	    $updateCtr++;
 	} else {
@@ -2875,8 +3072,7 @@ sub editgrades {
 	}
         if ($aggregateflag) {
             &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
-                      $env{'course.'.$env{'request.course.id'}.'.domain'},
-                      $env{'course.'.$env{'request.course.id'}.'.num'});
+				  $cdom,$cnum);
         }
     }
     if ($noupdate) {
@@ -3062,10 +3258,7 @@ sub csvuploadmap_footer {
 ENDPICK
 }
 
-sub upcsvScores_form {
-    my ($request) = shift;
-    my ($symb,$url)=&get_symb_and_url($request);
-    if (!$symb) {return '';}
+sub checkforfile_js {
     my $result =<<CSVFORMJS;
 <script type="text/javascript" language="javascript">
     function checkUpload(formname) {
@@ -3077,6 +3270,14 @@ sub upcsvScores_form {
     }
     </script>
 CSVFORMJS
+    return $result;
+}
+
+sub upcsvScores_form {
+    my ($request) = shift;
+    my ($symb,$url)=&get_symb_and_url($request);
+    if (!$symb) {return '';}
+    my $result=&checkforfile_js();
     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
     my ($table) = &showResourceInfo($url,$env{'form.probTitle'});
     $result.=$table;
@@ -3096,7 +3297,7 @@ CSVFORMJS
 <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
 $upfile_select
 <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scores" />
-<label><input type="checkbox" name="noFirstLine" />$ignore</lable>
+<label><input type="checkbox" name="noFirstLine" />$ignore</label>
 </form>
 ENDUPFORM
     $result.='</td></tr></table>'."\n";
@@ -3135,8 +3336,13 @@ sub csvuploadmap {
 	    unshift(@fields,['none','']);
 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
 							    \@fields);
-	    my %sone=&Apache::loncommon::record_sep($records[0]);
-	    $keyfields=join(',',sort(keys(%sone)));
+	    foreach my $rec (@records) {
+		my %temp = &Apache::loncommon::record_sep($rec);
+		if (%temp) {
+		    $keyfields=join(',',sort(keys(%temp)));
+		    last;
+		}
+	    }
 	}
     }
     &csvuploadmap_footer($request,$i,$keyfields);
@@ -3154,13 +3360,14 @@ sub csvuploadoptions {
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <h3><font color="#339933">Uploading Class Grade Options</font></h3>
 <input type="hidden" name="command"    value="csvuploadassign" />
-<input type="submit" value="Assign Grades" /><br />
+<!--
 <p>
 <label>
    <input type="checkbox" name="show_full_results" />
    Show a table of all changes
 </label>
 </p>
+-->
 <p>
 <label>
    <input type="checkbox" name="overwite_scores" checked="checked" />
@@ -3182,7 +3389,8 @@ ENDPICK
     }
     # FIXME do a check for any duplicated user ids...
     # FIXME do a check for any invalid user ids?...
-    $request->print("<hr /></form>\n");
+    $request->print('<input type="submit" value="Assign Grades" /><br />
+<hr /></form>'."\n");
     $request->print(&show_grading_menu_form($symb,$url));
     return '';
 }
@@ -3278,9 +3486,19 @@ sub csvuploadassign {
 	if (! %grades) { push(@skipped,"$username:$domain no data to store"); }
 	$grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
 #	&Apache::lonnet::logthis(" storing ".(join('-',%grades)));
-	&Apache::lonnet::cstore(\%grades,$symb,$env{'request.course.id'},
-				$domain,$username);
-	$request->print('.');
+	my $result=&Apache::lonnet::cstore(\%grades,$symb,
+					   $env{'request.course.id'},
+					   $domain,$username);
+	if ($result eq 'ok') {
+	    $request->print('.');
+	} else {
+	    $request->print("<p>
+                              <font color='red'>
+                                 Failed to store student $username\@$domain.
+                                 Message when trying to store was ($result)
+                              </font>
+                             </p>" );
+	}
 	$request->rflush();
 	$countdone++;
     }
@@ -3357,13 +3575,13 @@ LISTJAVASCRIPT
     $result.='<input type="hidden" name="page" />'."\n".
 	'<input type="hidden" name="title" />'."\n";
 
-    $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
-	'<input type="radio" name="vProb" value="yes" /> yes '."<br>\n";
+    $result.='&nbsp;<b>View Problems Text: </b><label><input type="radio" name="vProb" value="no" checked="on" /> no </label>'."\n".
+	'<label><input type="radio" name="vProb" value="yes" /> yes </label>'."<br />\n";
 
     $result.='&nbsp;<b>Submission Details: </b>'.
-	'<input type="radio" name="lastSub" value="none" /> none'."\n".
-	'<input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions'."\n".
-	'<input type="radio" name="lastSub" value="all" /> all details'."\n";
+	'<label><input type="radio" name="lastSub" value="none" /> none</label>'."\n".
+	'<label><input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions</label>'."\n".
+	'<label><input type="radio" name="lastSub" value="all" /> all details</label>'."\n";
 
     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
@@ -3387,12 +3605,18 @@ LISTJAVASCRIPT
  
     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
     my $ptr = 1;
-    foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
+    foreach my $student (sort 
+			 {
+			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
+				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
+			     }
+			     return $a cmp $b;
+			 } (keys(%$fullname))) {
 	my ($uname,$udom) = split(/:/,$student);
 	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
-	$studentTable.='<td>&nbsp;<input type="radio" name="student" value="'.$student.'" /> '
-	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."\n";
+	$studentTable.='<td>&nbsp;<label><input type="radio" name="student" value="'.$student.'" /> '
+	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."</label>\n";
 	$studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
 	$ptr++;
     }
@@ -3464,7 +3688,11 @@ sub displayPage {
     my $navmap = Apache::lonnavmaps::navmap->new();
     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
-
+    if (!$map) {
+	$request->print('<font color="red">Unable to view requested sequence. ('.$resUrl.')</font>');
+	$request->print(&show_grading_menu_form($symb,$url));
+	return; 
+    }
     my $iterator = $navmap->getIterator($map->map_start(),
 					$map->map_finish());
 
@@ -3670,7 +3898,12 @@ sub updateGradeByPage {
     my $navmap = Apache::lonnavmaps::navmap->new();
     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
-
+    if (!$map) {
+	$request->print('<font color="red">Unable to grade requested sequence. ('.$resUrl.')</font>');
+	my ($symb,$url)=&get_symb_and_url($request);
+	$request->print(&show_grading_menu_form($symb,$url));
+	return; 
+    }
     my $iterator = $navmap->getIterator($map->map_start(),
 					$map->map_finish());
 
@@ -3865,6 +4098,7 @@ sub scantron_CODElist {
     my $namechoice='<option></option>';
     foreach my $name (sort {uc($a) cmp uc($b)} @names) {
 	if ($name =~ /^error: 2 /) { next; }
+	if ($name =~ /^type\0/) { next; }
 	$namechoice.='<option value="'.$name.'">'.$name.'</option>';
     }
     $namechoice='<select name="scantron_CODElist">'.$namechoice.'</select>';
@@ -3874,11 +4108,11 @@ sub scantron_CODElist {
 sub scantron_CODEunique {
     my $result='<nobr>
                  <label><input type="radio" name="scantron_CODEunique"
-                        value="Yes" checked="on" /> Yes </label>
+                        value="yes" checked="checked" /> Yes </label>
                 </nobr>
                 <nobr>
                  <label><input type="radio" name="scantron_CODEunique"
-                        value="No" /> No </label>
+                        value="no" /> No </label>
                 </nobr>';
     return $result;
 }
@@ -4009,7 +4243,7 @@ SCANTRONFORM
             </tr>
             <tr bgcolor="#ffffe6">
               <td colspan="2">
-                <input type="submit" value="Show List of Files" />
+                <input type="submit" value="Download: Show List of Associated Files" />
               </td>
             </tr>
           </table>
@@ -4108,7 +4342,14 @@ sub scantron_fixup_scanline {
 	    &scan_data($scan_data,
 		       "$whichline.no_bubble.".$args->{'question'},'1');
 	} else {
-	    substr($answer,$args->{'response'},1)=$on;
+	    if ($on eq 'letter') {
+		my @alphabet=('A'..'Z');
+		$answer=$alphabet[$args->{'response'}];
+	    } elsif ($on eq 'number') {
+		$answer=$args->{'response'}+1;
+	    } else {
+		substr($answer,$args->{'response'},1)=$on;
+	    }
 	    &scan_data($scan_data,
 		       "$whichline.no_bubble.".$args->{'question'},undef,'1');
 	}
@@ -4133,8 +4374,11 @@ sub scantron_parse_scanline {
     my %record;
     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
-    if ($$scantron_config{'CODElocation'} ne 0) {
-	if ($$scantron_config{'CODElocation'} < 0) {
+    if (!($$scantron_config{'CODElocation'} eq 0 ||
+	  $$scantron_config{'CODElocation'} eq 'none')) {
+	if ($$scantron_config{'CODElocation'} < 0 ||
+	    $$scantron_config{'CODElocation'} eq 'letter' ||
+	    $$scantron_config{'CODElocation'} eq 'number') {
 	    $record{'scantron.CODE'}=substr($data,
 					    $$scantron_config{'CODEstart'}-1,
 					    $$scantron_config{'CODElength'});
@@ -4169,8 +4413,12 @@ sub scantron_parse_scanline {
 	substr($questions,0,$$scantron_config{'Qlength'})='';
 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
 	if ($$scantron_config{'Qon'} eq 'letter') {
-	    if (!$currentquest || $currentquest eq $$scantron_config{'Qoff'} ||
-		$currentquest !~ /^[A-Z]$/) {
+	    if ($currentquest eq '?') {
+		push(@{$record{'scantron.doubleerror'}},$questnum);
+		$record{"scantron.$questnum.answer"}='';
+	    } elsif (!$currentquest 
+		     || $currentquest eq $$scantron_config{'Qoff'}
+		     || $currentquest !~ /^[A-Z]$/) {
 		$record{"scantron.$questnum.answer"}='';
 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
 		    push(@{$record{"scantron.missingerror"}},$questnum);
@@ -4179,8 +4427,12 @@ sub scantron_parse_scanline {
 		$record{"scantron.$questnum.answer"}=$currentquest;
 	    }
 	} elsif ($$scantron_config{'Qon'} eq 'number') {
-	    if (!$currentquest || $currentquest eq $$scantron_config{'Qoff'} ||
-		$currentquest !~ /^\d$/) {
+	    if ($currentquest eq '?') {
+		push(@{$record{'scantron.doubleerror'}},$questnum);
+		$record{"scantron.$questnum.answer"}='';
+		} elsif (!$currentquest 
+			 || $currentquest eq $$scantron_config{'Qoff'} 
+			 || $currentquest !~ /^\d$/) {
 		$record{"scantron.$questnum.answer"}='';
 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
 		    push(@{$record{"scantron.missingerror"}},$questnum);
@@ -4297,7 +4549,7 @@ sub scantron_process_corrections {
 	}
     }
     if ($err) {
-	$r->print("Unable to accept last correction, an error occurred :$errmsg:");
+	$r->print("<font color='red'>Unable to accept last correction, an error occurred :$errmsg:</font>");
     } else {
 	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
 	&scantron_putfile($scanlines,$scan_data);
@@ -4351,14 +4603,26 @@ sub check_for_error {
 sub scantron_warning_screen {
     my ($button_text)=@_;
     my $title=&Apache::lonnet::gettitle($env{'form.selectpage'});
+    my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
+    my $CODElist="a";
+    if ($scantron_config{'CODElocation'} &&
+	$scantron_config{'CODEstart'} &&
+	$scantron_config{'CODElength'}) {
+	$CODElist=$env{'form.scantron_CODElist'};
+	if ($CODElist eq '') { $CODElist='<font color="red">None</font>'; }
+	$CODElist=
+	    '<tr><td><b>List of CODES to validate against:</b></td><td><tt>'.
+	    $CODElist.'</tt></td></tr>';
+    }
     return (<<STUFF);
 <p>
 <font color="red">Please double check the information
                  below before clicking on '$button_text'</font>
 </p>
 <table>
-<tr><td><b>Sequence To be Graded:</b></td><td>$title</td></tr>
+<tr><td><b>Sequence to be Graded:</b></td><td>$title</td></tr>
 <tr><td><b>Data File that will be used:</b></td><td><tt>$env{'form.scantron_selectfile'}</tt></td></tr>
+$CODElist
 </table>
 </font>
 <br />
@@ -4565,9 +4829,8 @@ sub lonnet_putfile {
     my ($contents,$filename)=@_;
     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
-    my $docuhome=$env{'course.'.$env{'request.course.id'}.'.home'};
     $env{'form.sillywaytopassafilearound'}=$contents;
-    &Apache::lonnet::finishuserfileupload($docuname,$docudom,$docuhome,'sillywaytopassafilearound',$filename);
+    &Apache::lonnet::finishuserfileupload($docuname,$docudom,'sillywaytopassafilearound',$filename);
 
 }
 
@@ -4738,12 +5001,14 @@ sub scantron_get_correction {
 	if ($error eq 'incorrectCODE' 
 	    && $$scan_record{'scantron.CODE'}=~/\S/ ) {
 	    my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'});
-	    foreach my $testcode (@{$closest}) {
-		my $checked='';
-		if (!$i) { $checked=' checked="on" '; }
-		$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.</label><input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
-		$r->print("\n<br />");
-		$i++;
+	    if ($closest > 0) {
+		foreach my $testcode (@{$closest}) {
+		    my $checked='';
+		    if (!$i) { $checked=' checked="on" '; }
+		    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.</label><input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
+		    $r->print("\n<br />");
+		    $i++;
+		}
 	    }
 	}
 	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
@@ -4804,17 +5069,22 @@ ENDSCRIPT
 sub scantron_bubble_selector {
     my ($r,$scan_config,$quest,@selected)=@_;
     my $max=$$scan_config{'Qlength'};
+
+    my $scmode=$$scan_config{'Qon'};
+    if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }	     
+
     my @alphabet=('A'..'Z');
     $r->print("<table border='1'><tr><td rowspan='2'>$quest</td>");
     for (my $i=0;$i<$max+1;$i++) {
-	$r->print('<td align="center">');
+	$r->print("\n".'<td align="center">');
 	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
 	else { $r->print('&nbsp;'); }
 	$r->print('</td>');
     }
-    $r->print('<td></td></tr><tr>');
+    $r->print('</tr><tr>');
     for (my $i=0;$i<$max;$i++) {
-	$r->print('<td><label><input type="radio" name="scantron_correct_Q_'.
+	$r->print("\n".
+		  '<td><label><input type="radio" name="scantron_correct_Q_'.
 		  $quest.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
     }
     $r->print('<td><label><input type="radio" name="scantron_correct_Q_'.
@@ -4844,11 +5114,24 @@ sub scantron_get_closely_matching_CODEs
 }
 
 sub get_codes {
-    my $old_name=$env{'form.scantron_CODElist'};
-    my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
-    my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
-    my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
-    my %allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
+    my ($old_name, $cdom, $cnum) = @_;
+    if (!$old_name) {
+	$old_name=$env{'form.scantron_CODElist'};
+    }
+    if (!$cdom) {
+	$cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
+    }
+    if (!$cnum) {
+	$cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
+    }
+    my %result=&Apache::lonnet::get('CODEs',[$old_name,"type\0$old_name"],
+				    $cdom,$cnum);
+    my %allcodes;
+    if ($result{"type\0$old_name"} eq 'number') {
+	%allcodes=map {($_,1)} split(',',$result{$old_name});
+    } else {
+	%allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
+    }
     return %allcodes;
 }
 
@@ -5138,8 +5421,6 @@ sub scantron_upload_scantron_data_save {
     }
     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
     $r->print("Doing upload to ".$coursedata{'description'}." <br />");
-    my $home=&Apache::lonnet::homeserver($env{'form.courseid'},
-					 $env{'form.domainid'});
     my $fname=$env{'form.upfile.filename'};
     #FIXME
     #copied from lonnet::userfileupload()
@@ -5159,7 +5440,7 @@ sub scantron_upload_scantron_data_save {
     if (length($env{'form.upfile'}) < 2) {
 	$r->print("<font color='red'>Error:</font> The file you attempted to upload, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
     } else {
-	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},$home,'upfile',$fname);
+	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
 	if ($result =~ m|^/uploaded/|) {
 	    $r->print("<font color='green'>Success:</font> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
 	} else {
@@ -5334,28 +5615,30 @@ GRADINGMENUJS
 
     $result.='</td></tr>';
 
-    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td><label>'.
 	'<input type="radio" name="radioChoice" value="submission" '.
 	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
-	' <select name="submitonly">'.
+	'</label> <select name="submitonly">'.
 	'<option value="yes" '.
-	($saveSub eq 'yes' ? 'selected="on"' : '').'>with submissions</option>'.
+	($saveSub eq 'yes' ? 'selected="on"' : '').'>'.&mt('with submissions').'</option>'.
+	'<option value="queued" '.
+	($saveSub eq 'queued' ? 'selected="on"' : '').'>'.&mt('in grading queue').'</option>'.
 	'<option value="graded" '.
-	($saveSub eq 'graded' ? 'selected="on"' : '').'>with ungraded submissions</option>'.
+	($saveSub eq 'graded' ? 'selected="on"' : '').'>'.&mt('with ungraded submissions').'</option>'.
 	'<option value="incorrect" '.
-	($saveSub eq 'incorrect' ? 'selected="on"' : '').'>with incorrect submissions</option>'.
+	($saveSub eq 'incorrect' ? 'selected="on"' : '').'>'.&mt('with incorrect submissions').'</option>'.
 	'<option value="all" '.
-	($saveSub eq 'all' ? 'selected="on"' : '').'>with any status</option></select></td></tr>'."\n";
+	($saveSub eq 'all' ? 'selected="on"' : '').'>'.&mt('with any status').'</option></select></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
-	'<input type="radio" name="radioChoice" value="viewgrades" '.
+	'<label><input type="radio" name="radioChoice" value="viewgrades" '.
 	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
-	'<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
+	'<b>Current Resource:</b> For all students in selected section or course</label></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
-	'<input type="radio" name="radioChoice" value="pickStudentPage" '.
+	'<label><input type="radio" name="radioChoice" value="pickStudentPage" '.
 	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
-	'The <b>complete</b> set/page/sequence: For one student</td></tr>'."\n";
+	'The <b>complete</b> set/page/sequence: For one student</label></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"><td><br />'.
 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
@@ -5383,6 +5666,9 @@ GRADINGMENUJS
     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
 	'<input type="button" onClick="javascript:this.form.action=\'/adm/helper/resettimes.helper\';this.form.submit();'.
 	'" value="'.&mt('Manage').'" /> access times.</td></tr>'."\n";
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
+	'<input type="button" onClick="javascript:this.form.command.value=\'codelist\';this.form.action=\'/adm/pickcode\';this.form.submit();'.
+	'" value="'.&mt('View').'" /> saved CODEs.</td></tr>'."\n";
 
     $result.='</form></td></tr></table>'."\n".
 	'</td></tr></table>'."\n".
@@ -5390,10 +5676,32 @@ GRADINGMENUJS
     return $result;
 }
 
+sub reset_perm {
+    undef(%perm);
+}
+
+sub init_perm {
+    &reset_perm();
+    foreach my $test_perm ('vgr','mgr','opa') {
+
+	my $scope = $env{'request.course.id'};
+	if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) {
+
+	    $scope .= '/'.$env{'request.course.sec'};
+	    if ( $perm{$test_perm}=
+		 &Apache::lonnet::allowed($test_perm,$scope)) {
+		$perm{$test_perm.'_section'}=$env{'request.course.sec'};
+	    } else {
+		delete($perm{$test_perm});
+	    }
+	}
+    }
+}
+
 sub handler {
     my $request=$_[0];
 
-    undef(%perm);
+    &reset_perm();
     if ($env{'browser.mathml'}) {
 	&Apache::loncommon::content_type($request,'text/xml');
     } else {
@@ -5442,20 +5750,7 @@ sub handler {
 	    }
 	}
     } else {
-	if (!($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
-	    if ($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
-		$perm{'vgr_section'}=$env{'request.course.sec'};
-	    } else {
-		delete($perm{'vgr'});
-	    }
-	}
-	if (!($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$env{'request.course.id'}))) {
-	    if ($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
-		$perm{'mgr_section'}=$env{'request.course.sec'};
-	    } else {
-		delete($perm{'mgr'});
-	    }
-	}
+	&init_perm();
 	if ($command eq 'submission' && $perm{'vgr'}) {
 	    ($env{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {