loncom/homework/grades.pm - diff

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Diff for /loncom/homework/grades.pm between versions 1.378 and 1.583

-version 1.378, 2006/10/13 21:49:28
+version 1.583, 2009/12/09 19:41:10
  Line 26
  # http://www.lon-capa.org/
  #
  package Apache::grades;
  use strict;
  use Apache::style;
- Line 35  use Apache::loncommon;
+ Line 37  use Apache::loncommon;
  use Apache::lonhtmlcommon;
  use Apache::lonnavmaps;
  use Apache::lonhomework;
+ use Apache::lonpickcode;
  use Apache::loncoursedata;
  use Apache::lonmsg();
  use Apache::Constants qw(:common);
  use Apache::lonlocal;
+ use Apache::lonenc;
  use String::Similarity;
- use lib '/home/httpd/lib/perl';
  use LONCAPA;
  use POSIX qw(floor);
- my %oldessays=();
  my %perm=();
- # ----- These first few routines are general use routines.----
+ #  These variables are used to recover from ssi errors
+ my $ssi_retries = 5;
+ my $ssi_error;
+ my $ssi_error_resource;
+ my $ssi_error_message;
+ sub ssi_with_retries {
+     my ($resource, $retries, %form) = @_;
+     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
+     if ($response->is_error) {
+ 	$ssi_error          = 1;
+ 	$ssi_error_resource = $resource;
+ 	$ssi_error_message  = $response->code . " " . $response->message;
+     }
+     return $content;
+ }
+ #
+ #  Prodcuces an ssi retry failure error message to the user:
+ #
+ sub ssi_print_error {
+     my ($r) = @_;
+     my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
+     $r->print('
+ <br />
+ <h2>'.&mt('An unrecoverable network error occurred:').'</h2>
+ <p>
+ '.&mt('Unable to retrieve a resource from a server:').'<br />
+ '.&mt('Resource:').' '.$ssi_error_resource.'<br />
+ '.&mt('Error:').' '.$ssi_error_message.'
+ </p>
+ <p>'.
+ &mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.
+ &mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
+ '</p>');
+     return;
+ }
  #
  # --- Retrieve the parts from the metadata file.---
  sub getpartlist {
-     my ($symb) = @_;
+     my ($symb,$errorref) = @_;
-     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
-     my $partorder = &Apache::lonnet::metadata($url, 'partorder');
+     my $navmap   = Apache::lonnavmaps::navmap->new();
-     my @parts;
+     unless (ref($navmap)) {
-     if ($partorder) {
+         if (ref($errorref)) {
- 	for my $part (split (/,/,$partorder)) {
+             $$errorref = 'navmap';
- 	    if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
+             return;
- 		push(@parts, $part);
+         }
- 	    }
- 	}
-     } else {
- 	my $metadata = &Apache::lonnet::metadata($url, 'packages');
- 	foreach (split(/\,/,$metadata)) {
- 	    if ($_ =~ /^part_(.*)$/) {
- 		if (!&Apache::loncommon::check_if_partid_hidden($1,$symb)) {
- 		    push(@parts, $1);
- 		}
- 	    }
- 	}
      }
+     my $res      = $navmap->getBySymb($symb);
+     my $partlist = $res->parts();
+     my $url      = $res->src();
+     my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys'));
      my @stores;
-     foreach my $part (@parts) {
+     foreach my $part (@{ $partlist }) {
- 	my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
  	foreach my $key (@metakeys) {
  	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
  	}
- Line 93  sub get_symb {
+ Line 131  sub get_symb {
  	    return ();
  	}
      }
+     &Apache::lonenc::check_decrypt(\$symb);
      return ($symb);
  }
- Line 101  sub get_symb {
+ Line 140  sub get_symb {
  sub nameUserString {
      my ($type,$fullname,$uname,$udom) = @_;
      if ($type eq 'header') {
- 	return '<b>&nbsp;Fullname&nbsp;</b><font color="#999999">(Username)</font>';
+ 	return '<b>&nbsp;'.&mt('Fullname').'&nbsp;</b><span class="LC_internal_info">('.&mt('Username').')</span>';
      } else {
- 	return '&nbsp;'.$fullname.'<font color="#999999">&nbsp;('.$uname.
+ 	return '&nbsp;'.$fullname.'<span class="LC_internal_info">&nbsp;('.$uname.
- 	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</font>';
+ 	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</span>';
      }
  }
  #--- Get the partlist and the response type for a given problem. ---
  #--- Indicate if a response type is coded handgraded or not. ---
  sub response_type {
-     my ($symb) = shift;
+     my ($symb,$response_error) = @_;
      my $navmap = Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         if (ref($response_error)) {
+             $$response_error = 1;
+         }
+         return;
+     }
      my $res = $navmap->getBySymb($symb);
      my $partlist = $res->parts();
+     my %vPart =
+ 	map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart'));
      my (%response_types,%handgrade);
      foreach my $part (@{ $partlist }) {
+ 	next if (%vPart && !exists($vPart{$part}));
  	my @types = $res->responseType($part);
  	my @ids = $res->responseIds($part);
  	for (my $i=0; $i < scalar(@ids); $i++) {
- Line 146  sub get_display_part {
+ Line 195  sub get_display_part {
      my ($partID,$symb)=@_;
      my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
      if (defined($display) and $display ne '') {
- 	$display.= " (<font color=\"#999900\">id $partID</font>)";
+         $display.= ' (<span class="LC_internal_info">'
+                   .&mt('Part ID: [_1]',$partID).'</span>)';
      } else {
  	$display=$partID;
      }
- Line 156  sub get_display_part {
+ Line 206  sub get_display_part {
  #--- Show resource title
  #--- and parts and response type
  sub showResourceInfo {
-     my ($symb,$probTitle,$checkboxes) = @_;
+     my ($symb,$probTitle,$checkboxes,$res_error) = @_;
      my $col=3;
      if ($checkboxes) { $col=4; }
-     my $result ='<table border="0">'.
+     my $result = '<h3>'.&mt('Current Resource').': '.$probTitle.'</h3>'."\n";
- 	'<tr><td colspan="'.$col.'"><font size="+1"><b>'.&mt('Current Resource').': </b>'.
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error);
- 	$probTitle.'</font></td></tr>'."\n";
+     if (ref($res_error)) {
-     my ($partlist,$handgrade,$responseType) = &response_type($symb);
+         if ($$res_error) {
+             return;
+         }
+     }
+     $result .='<table border="0">';
      my %resptype = ();
      my $hdgrade='no';
      my %partsseen;
-     foreach my $partID (sort keys(%$responseType)) {
+     foreach my $partID (sort(keys(%$responseType))) {
- 	foreach my $resID (sort keys(%{ $responseType->{$partID} })) {
+ 	foreach my $resID (sort(keys(%{ $responseType->{$partID} }))) {
  	    my $handgrade=$$handgrade{$partID.'_'.$resID};
  	    my $responsetype = $responseType->{$partID}->{$resID};
  	    $hdgrade = $handgrade if ($handgrade eq 'yes');
- Line 176  sub showResourceInfo {
+ Line 230  sub showResourceInfo {
  		if (exists($partsseen{$partID})) {
  		    $result.="<td>&nbsp;</td>";
  		} else {
- 		    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='on' /></td>";
+ 		    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='checked' /></td>";
  		}
  		$partsseen{$partID}=1;
  	    }
  	    my $display_part=&get_display_part($partID,$symb);
- 	    $result.='<td><b>Part: </b>'.$display_part.' <font color="#999999">'.
+             $result.='<td><b>'.&mt('Part: [_1]',$display_part).'</b>'.
- 		$resID.'</font></td>'.
+                 ' <span class="LC_internal_info">'.$resID.'</span></td>'.
- 		'<td><b>Type: </b>'.$responsetype.'</td></tr>';
+                 '<td><b>'.&mt('Type: [_1]',$responsetype).'</b></td></tr>';
- #	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
+ #	    '<td>'.&mt('<b>Handgrade: </b>[_1]',$handgrade).'</td></tr>';
  	}
      }
      $result.='</table>'."\n";
      return $result,$responseType,$hdgrade,$partlist,$handgrade;
  }
+ sub reset_caches {
+     &reset_analyze_cache();
+     &reset_perm();
+ }
+ {
+     my %analyze_cache;
+     my %analyze_cache_formkeys;
+     sub reset_analyze_cache {
+ 	undef(%analyze_cache);
+         undef(%analyze_cache_formkeys);
+     }
+     sub get_analyze {
+ 	my ($symb,$uname,$udom,$no_increment,$add_to_hash)=@_;
+ 	my $key = "$symb\0$uname\0$udom";
+ 	if (exists($analyze_cache{$key})) {
+             my $getupdate = 0;
+             if (ref($add_to_hash) eq 'HASH') {
+                 foreach my $item (keys(%{$add_to_hash})) {
+                     if (ref($analyze_cache_formkeys{$key}) eq 'HASH') {
+                         if (!exists($analyze_cache_formkeys{$key}{$item})) {
+                             $getupdate = 1;
+                             last;
+                         }
+                     } else {
+                         $getupdate = 1;
+                     }
+                 }
+             }
+             if (!$getupdate) {
+                 return $analyze_cache{$key};
+             }
+         }
+ 	my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
+ 	$url=&Apache::lonnet::clutter($url);
+         my %form = ('grade_target'      => 'analyze',
+                     'grade_domain'      => $udom,
+                     'grade_symb'        => $symb,
+                     'grade_courseid'    =>  $env{'request.course.id'},
+                     'grade_username'    => $uname,
+                     'grade_noincrement' => $no_increment);
+         if (ref($add_to_hash)) {
+             %form = (%form,%{$add_to_hash});
+         }
+ 	my $subresult=&ssi_with_retries($url, $ssi_retries,%form);
+ 	(undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
+ 	my %analyze=&Apache::lonnet::str2hash($subresult);
+         if (ref($add_to_hash) eq 'HASH') {
+             $analyze_cache_formkeys{$key} = $add_to_hash;
+         } else {
+             $analyze_cache_formkeys{$key} = {};
+         }
+ 	return $analyze_cache{$key} = \%analyze;
+     }
+     sub get_order {
+ 	my ($partid,$respid,$symb,$uname,$udom,$no_increment)=@_;
+ 	my $analyze = &get_analyze($symb,$uname,$udom,$no_increment);
+ 	return $analyze->{"$partid.$respid.shown"};
+     }
+     sub get_radiobutton_correct_foil {
+ 	my ($partid,$respid,$symb,$uname,$udom)=@_;
+ 	my $analyze = &get_analyze($symb,$uname,$udom);
+         my $foils = &get_order($partid,$respid,$symb,$uname,$udom);
+         if (ref($foils) eq 'ARRAY') {
+ 	    foreach my $foil (@{$foils}) {
+ 	        if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') {
+ 		    return $foil;
+ 	        }
+ 	    }
+ 	}
+     }
+     sub scantron_partids_tograde {
+         my ($resource,$cid,$uname,$udom,$check_for_randomlist) = @_;
+         my (%analysis,@parts);
+         if (ref($resource)) {
+             my $symb = $resource->symb();
+             my $add_to_form;
+             if ($check_for_randomlist) {
+                 $add_to_form = { 'check_parts_withrandomlist' => 1,};
+             }
+             my $analyze = &get_analyze($symb,$uname,$udom,undef,$add_to_form);
+             if (ref($analyze) eq 'HASH') {
+                 %analysis = %{$analyze};
+             }
+             if (ref($analysis{'parts'}) eq 'ARRAY') {
+                 foreach my $part (@{$analysis{'parts'}}) {
+                     my ($id,$respid) = split(/\./,$part);
+                     if (!&Apache::loncommon::check_if_partid_hidden($id,$symb,$udom,$uname)) {
+                         push(@parts,$part);
+                     }
+                 }
+             }
+         }
+         return (\%analysis,\@parts);
+     }
- sub get_order {
-     my ($partid,$respid,$symb,$uname,$udom)=@_;
-     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
-     $url=&Apache::lonnet::clutter($url);
-     my $subresult=&Apache::lonnet::ssi($url,
- 				       ('grade_target' => 'analyze'),
- 				       ('grade_domain' => $udom),
- 				       ('grade_symb' => $symb),
- 				       ('grade_courseid' =>
- 					        $env{'request.course.id'}),
- 				       ('grade_username' => $uname));
-     (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
-     my %analyze=&Apache::lonnet::str2hash($subresult);
-     return ($analyze{"$partid.$respid.shown"});
  }
  #--- Clean response type for display
  #--- Currently filters option/rank/radiobutton/match/essay/Task
  #        response types only.
  sub cleanRecord {
      my ($answer,$response,$symb,$partid,$respid,$record,$order,$version,
  	$uname,$udom) = @_;
-     my $grayFont = '<font color="#999999">';
+     my $grayFont = '<span class="LC_internal_info">';
      if ($response =~ /^(option|rank)$/) {
  	my %answer=&Apache::lonnet::str2hash($answer);
  	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
- Line 224  sub cleanRecord {
+ Line 366  sub cleanRecord {
  	    } else {
  		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
  	    }
- 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+ 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
  	}
  	return '<blockquote><table border="1">'.
- 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+ 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
- 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+ 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
  	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
      } elsif ($response eq 'match') {
  	my %answer=&Apache::lonnet::str2hash($answer);
- Line 239  sub cleanRecord {
+ Line 381  sub cleanRecord {
  	    my $item=shift(@items);
  	    if ($grading{$foil} == 1) {
  		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
- 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</font></b></td>';
+ 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</span></b></td>';
  	    } else {
  		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
- 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</font></i></td>';
+ 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</span></i></td>';
  	    }
- 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+ 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
  	}
  	return '<blockquote><table border="1">'.
- 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+ 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
- 	    '<tr valign="top"><td>'.$grayFont.'Item ID</font></td>'.
+ 	    '<tr valign="top"><td>'.$grayFont.&mt('Item ID').'</span></td>'.
  	    $middlerow.'</tr>'.
- 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+ 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
  	    $bottomrow.'</tr>'.'</table></blockquote>';
      } elsif ($response eq 'radiobutton') {
  	my %answer=&Apache::lonnet::str2hash($answer);
  	my ($toprow,$bottomrow);
- 	my $correct=($order->[0])+1;
+ 	my $correct =
- 	for (my $i=1;$i<=$#$order;$i++) {
+ 	    &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom);
- 	    my $foil=$order->[$i];
+ 	foreach my $foil (@$order) {
  	    if (exists($answer{$foil})) {
- 		if ($i == $correct) {
+ 		if ($foil eq $correct) {
- 		    $toprow.='<td><b>true</b></td>';
+ 		    $toprow.='<td><b>'.&mt('true').'</b></td>';
  		} else {
- 		    $toprow.='<td><i>true</i></td>';
+ 		    $toprow.='<td><i>'.&mt('true').'</i></td>';
  		}
  	    } else {
- 		$toprow.='<td>false</td>';
+ 		$toprow.='<td>'.&mt('false').'</td>';
  	    }
- 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+ 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
  	}
  	return '<blockquote><table border="1">'.
- 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+ 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
- 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+ 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
  	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
      } elsif ($response eq 'essay') {
  	if (! exists ($env{'form.'.$symb})) {
- Line 323  sub cleanRecord {
+ Line 465  sub cleanRecord {
  	    $result.='</ul>';
  	    return $result;
  	}
+     } elsif ( $response =~ m/(?:numerical|formula)/) {
+ 	$answer =
+ 	    &Apache::loncommon::format_previous_attempt_value('submission',
+ 							      $answer);
      }
      return $answer;
  }
- Line 367  COMMONJSFUNCTIONS
+ Line 512  COMMONJSFUNCTIONS
  #--- Dumps the class list with usernames,list of sections,
  #--- section, ids and fullnames for each user.
  sub getclasslist {
-     my ($getsec,$filterlist) = @_;
+     my ($getsec,$filterlist,$getgroup) = @_;
      my @getsec;
+     my @getgroup;
+     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
      if (!ref($getsec)) {
  	if ($getsec ne '' && $getsec ne 'all') {
  	    @getsec=($getsec);
- Line 377  sub getclasslist {
+ Line 524  sub getclasslist {
  	@getsec=@{$getsec};
      }
      if (grep(/^all$/,@getsec)) { undef(@getsec); }
+     if (!ref($getgroup)) {
+ 	if ($getgroup ne '' && $getgroup ne 'all') {
+ 	    @getgroup=($getgroup);
+ 	}
+     } else {
+ 	@getgroup=@{$getgroup};
+     }
+     if (grep(/^all$/,@getgroup)) { undef(@getgroup); }
-     my $classlist=&Apache::loncoursedata::get_classlist();
+     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
      # Bail out if we were unable to get the classlist
      return if (! defined($classlist));
+     &Apache::loncoursedata::get_group_memberships($classlist,$keylist);
      #
      my %sections;
      my %fullnames;
- Line 397  sub getclasslist {
+ Line 553  sub getclasslist {
              $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()];
          my $status   =
              $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()];
+         my $group   =
+             $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
  	# filter students according to status selected
- 	if ($filterlist && $env{'form.Status'} ne 'Any') {
+ 	if ($filterlist && (!($stu_status =~ /Any/))) {
- 	    if ($env{'form.Status'} ne $status) {
+ 	    if (!($stu_status =~ $status)) {
- 		delete ($classlist->{$student});
+ 		delete($classlist->{$student});
  		next;
  	    }
  	}
+ 	# filter students according to groups selected
+ 	my @stu_groups = split(/,/,$group);
+ 	if (@getgroup) {
+ 	    my $exclude = 1;
+ 	    foreach my $grp (@getgroup) {
+ 	        foreach my $stu_group (@stu_groups) {
+ 	            if ($stu_group eq $grp) {
+ 	                $exclude = 0;
+     	            }
+ 	        }
+     	        if (($grp eq 'none') && !$group) {
+         	        $exclude = 0;
+         	}
+ 	    }
+ 	    if ($exclude) {
+ 	        delete($classlist->{$student});
+ 	    }
+ 	}
  	$section = ($section ne '' ? $section : 'none');
  	if (&canview($section)) {
  	    if (!@getsec || grep(/^\Q$section\E$/,@getsec)) {
  		$sections{$section}++;
- 		$fullnames{$student}=$fullname;
+ 		if ($classlist->{$student}) {
+ 		    $fullnames{$student}=$fullname;
+ 		}
  	    } else {
  		delete($classlist->{$student});
  	    }
- Line 481  sub student_gradeStatus {
+ Line 659  sub student_gradeStatus {
  # Shows a student's view of problem and submission
  sub jscriptNform {
      my ($symb) = @_;
+     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
      my $jscript='<script type="text/javascript" language="javascript">'."\n".
  	'    function viewOneStudent(user,domain) {'."\n".
  	'	document.onestudent.student.value = user;'."\n".
- Line 489  sub jscriptNform {
+ Line 668  sub jscriptNform {
  	'    }'."\n".
  	'</script>'."\n";
      $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
- 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
  	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n".
- 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
+ 	'<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
  	'<input type="hidden" name="command" value="submission" />'."\n".
  	'<input type="hidden" name="student" value="" />'."\n".
  	'<input type="hidden" name="userdom" value="" />'."\n".
- Line 500  sub jscriptNform {
+ Line 679  sub jscriptNform {
      return $jscript;
  }
  # Given the score (as a number [0-1] and the weight) what is the final
  # point value? This function will round to the nearest tenth, third,
  # or quarter if one of those is within the tolerance of .00001.
- Line 534  sub compute_points {
+ Line 715  sub compute_points {
  #
  sub most_similar {
-     my ($uname,$udom,$uessay)=@_;
+     my ($uname,$udom,$uessay,$old_essays)=@_;
  # ignore spaces and punctuation
- Line 551  sub most_similar {
+ Line 732  sub most_similar {
      my $scrsid='';
      my $sessay='';
  # go through all essays ...
-     foreach my $tkey (keys %oldessays) {
+     foreach my $tkey (keys(%$old_essays)) {
- 	my ($tname,$tdom,$tcrsid)=split(/\./,$tkey);
+ 	my ($tname,$tdom,$tcrsid)=map {&unescape($_)} (split(/\./,$tkey));
  # ... except the same student
-         if (($tname ne $uname) || ($tdom ne $udom)) {
+         next if (($tname eq $uname) && ($tdom eq $udom));
- 	    my $tessay=$oldessays{$tkey};
+ 	my $tessay=$old_essays->{$tkey};
-             $tessay=~s/\W+/ /gs;
+ 	$tessay=~s/\W+/ /gs;
  # String similarity gives up if not even limit
-             my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
+ 	my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
  # Found one
-             if ($tsimilar>$limit) {
+ 	if ($tsimilar>$limit) {
- 		$limit=$tsimilar;
+ 	    $limit=$tsimilar;
-                 $sname=$tname;
+ 	    $sname=$tname;
-                 $sdom=$tdom;
+ 	    $sdom=$tdom;
-                 $scrsid=$tcrsid;
+ 	    $scrsid=$tcrsid;
-                 $sessay=$oldessays{$tkey};
+ 	    $sessay=$old_essays->{$tkey};
-             }
+ 	}
-         }
      }
      if ($limit>0.6) {
         return ($sname,$sdom,$scrsid,$sessay,$limit);
- Line 590  sub verifyreceipt {
+ Line 770  sub verifyreceipt {
      $receipt     =~ s/[^\-\d]//g;
      my ($symb)   = &get_symb($request);
-     my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
+     my $title.=
- 	$receipt.'</h3></font>'."\n".
+ 	'<h3><span class="LC_info">'.
- 	'<font size=+1><b>Resource: </b>'.$env{'form.probTitle'}.'</font><br /><br />'."\n";
+ 	&mt('Verifying  Receipt No. [_1]',$receipt).
+ 	'</span></h3>'."\n".
+ 	'<h4>'.&mt('<b>Resource: </b>[_1]',$env{'form.probTitle'}).
+ 	'</h4>'."\n";
      my ($string,$contents,$matches) = ('','',0);
      my (undef,undef,$fullname) = &getclasslist('all','0');
      my $receiptparts=0;
-     if ($env{"course.$courseid.receiptalg"} eq 'receipt2') { $receiptparts=1; }
+     if ($env{"course.$courseid.receiptalg"} eq 'receipt2' ||
+ 	$env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; }
      my $parts=['0'];
-     if ($receiptparts) { ($parts)=&response_type($symb); }
+     if ($receiptparts) {
+         my $res_error;
+         ($parts)=&response_type($symb,\$res_error);
+         if ($res_error) {
+             return &navmap_errormsg();
+         }
+     }
+     my $header =
+ 	&Apache::loncommon::start_data_table().
+ 	&Apache::loncommon::start_data_table_header_row().
+ 	'<th>&nbsp;'.&mt('Fullname').'&nbsp;</th>'."\n".
+ 	'<th>&nbsp;'.&mt('Username').'&nbsp;</th>'."\n".
+ 	'<th>&nbsp;'.&mt('Domain').'&nbsp;</th>';
+     if ($receiptparts) {
+ 	$header.='<th>&nbsp;'.&mt('Problem Part').'&nbsp;</th>';
+     }
+     $header.=
+ 	&Apache::loncommon::end_data_table_header_row();
      foreach (sort
  	     {
  		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
- Line 611  sub verifyreceipt {
+ Line 814  sub verifyreceipt {
  	my ($uname,$udom)=split(/\:/);
  	foreach my $part (@$parts) {
  	    if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
- 		$contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
+ 		$contents.=
+ 		    &Apache::loncommon::start_data_table_row().
+ 		    '<td>&nbsp;'."\n".
  		    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
- 		    '\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
+ 		    '\');" target="_self">'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
  		    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
  		    '<td>&nbsp;'.$udom.'&nbsp;</td>';
  		if ($receiptparts) {
  		    $contents.='<td>&nbsp;'.$part.'&nbsp;</td>';
  		}
- 		$contents.='</tr>'."\n";
+ 		$contents.=
+ 		    &Apache::loncommon::end_data_table_row()."\n";
  		$matches++;
  	    }
  	}
      }
      if ($matches == 0) {
- 	$string = $title.'No match found for the above receipt.';
+ 	$string = $title.&mt('No match found for the above receipt.');
      } else {
  	$string = &jscriptNform($symb).$title.
- 	    'The above receipt matches the following student'.
+ 	    '<p>'.
- 	    ($matches <= 1 ? '.' : 's.')."\n".
+ 	    &mt('The above receipt matches the following [numerate,_1,student].',$matches).
- 	    '<table border="0"><tr><td bgcolor="#777777">'."\n".
+ 	    '</p>'.
- 	    '<table border="0"><tr bgcolor="#e6ffff">'."\n".
+ 	    $header.
- 	    '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
+ 	    $contents.
- 	    '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
+ 	    &Apache::loncommon::end_data_table()."\n";
- 	    '<td><b>&nbsp;Domain&nbsp;</b></td>';
- 	if ($receiptparts) {
- 	    $string.='<td>&nbsp;Problem Part&nbsp;</td>';
- 	}
- 	$string.='</tr>'."\n".$contents.
- 	    '</table></td></tr></table>'."\n";
      }
      return $string.&show_grading_menu_form($symb);
  }
- Line 656  sub listStudents {
+ Line 856  sub listStudents {
      my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
      my $cnum      = $env{"course.$env{'request.course.id'}.num"};
      my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
+     my $getgroup  = $env{'form.group'} eq '' ? 'all' : $env{'form.group'};
      my $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
      my $viewgrade = $env{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
      $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ?
  	&Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
-     my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
+     my $result='<h3><span class="LC_info">&nbsp;'
- 	' Submissions for a Student or a Group of Students</font></h3>';
+ 	.&mt("$viewgrade Submissions for a Student or a Group of Students")
+ 	.'</span></h3>';
      my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes'));
+     my %lt = &Apache::lonlocal::texthash (
+ 		'multiple' => 'Please select a student or group of students before clicking on the Next button.',
+ 		'single'   => 'Please select the student before clicking on the Next button.',
+ 	     );
      $request->print(<<LISTJAVASCRIPT);
  <script type="text/javascript" language="javascript">
      function checkSelect(checkBox) {
- Line 678  sub listStudents {
+ Line 883  sub listStudents {
  		    ctr++;
  		}
  	    }
- 	    sense = "a student or group of students";
+ 	    sense = '$lt{'multiple'}';
  	} else {
  	    if (checkBox.checked) {
  		ctr = 1;
  	    }
- 	    sense = "the student";
+ 	    sense = '$lt{'single'}';
  	}
  	if (ctr == 0) {
- 	    alert("Please select "+sense+" before clicking on the Next button.");
+ 	    alert(sense);
  	    return false;
  	}
  	document.gradesub.submit();
- Line 703  LISTJAVASCRIPT
+ Line 908  LISTJAVASCRIPT
      &commonJSfunctions($request);
      $request->print($result);
-     my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
+     my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : '';
-     my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
+     my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : '';
      my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
- 	"\n".$table.
+ 	"\n".$table;
- 	'&nbsp;<b>View Problem Text: </b><label><input type="radio" name="vProb" value="no" checked="on" /> no </label>'."\n".
- 	'<label><input type="radio" name="vProb" value="yes" /> one student </label>'."\n".
+     $gradeTable .= &Apache::lonhtmlcommon::start_pick_box();
- 	'<label><input type="radio" name="vProb" value="all" /> all students </label><br />'."\n".
+     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('View Problem Text'))
- 	'&nbsp;<b>View Answer: </b><label><input type="radio" name="vAns" value="no"  /> no </label>'."\n".
+                   .'<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n"
- 	'<label><input type="radio" name="vAns" value="yes" /> one student </label>'."\n".
+                   .'<label><input type="radio" name="vProb" value="yes" /> '.&mt('one student').' </label>'."\n"
- 	'<label><input type="radio" name="vAns" value="all" checked="on" /> all students </label><br />'."\n".
+                   .'<label><input type="radio" name="vProb" value="all" /> '.&mt('all students').' </label><br />'."\n"
- 	'&nbsp;<b>Submissions: </b>'."\n";
+                   .&Apache::lonhtmlcommon::row_closure();
+     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('View Answer'))
+                   .'<label><input type="radio" name="vAns" value="no"  /> '.&mt('no').' </label>'."\n"
+                   .'<label><input type="radio" name="vAns" value="yes" /> '.&mt('one student').' </label>'."\n"
+                   .'<label><input type="radio" name="vAns" value="all" checked="checked" /> '.&mt('all students').' </label><br />'."\n"
+                   .&Apache::lonhtmlcommon::row_closure();
+     my $submission_options;
      if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
- 	$gradeTable.='<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only </label>'."\n";
+ 	$submission_options.=
+ 	    '<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> '.&mt('essay part only').' </label>'."\n";
      }
+     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
-     my $saveStatus = $env{'form.Status'} eq '' ? 'Active' : $env{'form.Status'};
+     my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
      $env{'form.Status'} = $saveStatus;
+     $submission_options.=
+ 	'<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> '.&mt('last submission only').' </label>'."\n".
+ 	'<label><input type="radio" name="lastSub" value="last" /> '.&mt('last submission &amp; parts info').' </label>'."\n".
+ 	'<label><input type="radio" name="lastSub" value="datesub" /> '.&mt('by dates and submissions').' </label>'."\n".
+ 	'<label><input type="radio" name="lastSub" value="all" /> '.&mt('all details').'</label>';
+     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Submissions'))
+                   .$submission_options
+                   .&Apache::lonhtmlcommon::row_closure();
+     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Grading Increments'))
+                   .'<select name="increment">'
+                   .'<option value="1">'.&mt('Whole Points').'</option>'
+                   .'<option value=".5">'.&mt('Half Points').'</option>'
+                   .'<option value=".25">'.&mt('Quarter Points').'</option>'
+                   .'<option value=".1">'.&mt('Tenths of a Point').'</option>'
+                   .'</select>'
+                   .&Apache::lonhtmlcommon::row_closure();
-     $gradeTable.='<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only </label>'."\n".
+     $gradeTable .=
- 	'<label><input type="radio" name="lastSub" value="last" /> last submission & parts info </label>'."\n".
+         &build_section_inputs().
- 	'<label><input type="radio" name="lastSub" value="datesub" /> by dates and submissions </label>'."\n".
- 	'<label><input type="radio" name="lastSub" value="all" /> all details</label><br />'."\n".
-         '&nbsp;<b>Grading Increments:</b> <select name="increment">'.
-         '<option value="1">Whole Points</option>'.
-         '<option value=".5">Half Points</option>'.
-         '<option value=".25">Quarter Points</option>'.
-         '<option value=".1">Tenths of a Point</option>'.
-         '</select>'.
- 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
  	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
  	'<input type="hidden" name="handgrade"   value="'.$env{'form.handgrade'}.'" /><br />'."\n".
  	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
  	'<input type="hidden" name="saveState"   value="'.$env{'form.saveState'}.'" />'."\n".
  	'<input type="hidden" name="probTitle"   value="'.$env{'form.probTitle'}.'" />'."\n".
- 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
      if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) {
- 	$gradeTable.='<input type="hidden" name="Status"   value="'.$env{'form.Status'}.'" />'."\n";
+ 	$gradeTable .= '<input type="hidden" name="Status" value="'.$stu_status.'" />'."\n";
      } else {
- 	$gradeTable.='<b>Student Status:</b> '.
+         $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Student Status'))
- 	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
+                       .&Apache::lonhtmlcommon::StatusOptions(
+                            $saveStatus,undef,1,'javascript:reLoadList(this.form);')
+                       .&Apache::lonhtmlcommon::row_closure();
      }
-     $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
+     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Check For Plagiarism'))
- 	'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
+                   .'<input type="checkbox" name="checkPlag" checked="checked" />'
- 	'<input type="hidden" name="command" value="processGroup" />'."\n";
+                   .&Apache::lonhtmlcommon::row_closure(1)
+                   .&Apache::lonhtmlcommon::end_pick_box();
+     $gradeTable .= '<p>'
+                   .&mt('To '.lc($viewgrade)." a submission or a group of submissions, click on the check box(es) next to the student's name(s). Then click on the Next button.")."\n"
+                   .'<input type="hidden" name="command" value="processGroup" />'
+                   .'</p>';
  # checkall buttons
      $gradeTable.=&check_script('gradesub', 'stuinfo');
      $gradeTable.='<input type="button" '."\n".
  	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
- 	'value="Next->" /> <br />'."\n";
+ 	'value="'.&mt('Next').' &rarr;" /> <br />'."\n";
      $gradeTable.=&check_buttons();
-     $gradeTable.='<label><input type="checkbox" name="checkPlag" checked="on" />Check For Plagiarism</label>';
+     my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup);
-     my ($classlist, undef, $fullname) = &getclasslist($getsec,'1');
+     $gradeTable.= &Apache::loncommon::start_data_table().
-     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
+ 	&Apache::loncommon::start_data_table_header_row();
- 	'<table border="0"><tr bgcolor="#e6ffff">';
      my $loop = 0;
      while ($loop < 2) {
- 	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
+ 	$gradeTable.='<th>'.&mt('No.').'</th><th>'.&mt('Select').'</th>'.
- 	    '<td>'.&nameUserString('header').'&nbsp;Section/Group</td>';
+ 	    '<th>'.&nameUserString('header').'&nbsp;'.&mt('Section/Group').'</th>';
  	if ($env{'form.showgrading'} eq 'yes'
  	    && $submitonly ne 'queued'
  	    && $submitonly ne 'all') {
- 	    foreach (sort(@$partlist)) {
+ 	    foreach my $part (sort(@$partlist)) {
- 		my $display_part=&get_display_part((split(/_/))[0],$symb);
+ 		my $display_part=
- 		$gradeTable.='<td><b>&nbsp;Part: '.$display_part.
+ 		    &get_display_part((split(/_/,$part))[0],$symb);
- 		    ' Status&nbsp;</b></td>';
+ 		$gradeTable.=
+ 		    '<th>'.&mt('Part: [_1] Status',$display_part).'</th>';
  	    }
  	} elsif ($submitonly eq 'queued') {
- 	    $gradeTable.='<td><b>&nbsp;'.&mt('Queue Status').'&nbsp;</b></td>';
+ 	    $gradeTable.='<th>'.&mt('Queue Status').'&nbsp;</th>';
  	}
  	$loop++;
  #	$gradeTable.='<td></td>' if ($loop%2 ==1);
      }
-     $gradeTable.='</tr>'."\n";
+     $gradeTable.=&Apache::loncommon::end_data_table_header_row()."\n";
      my $ctr = 0;
      foreach my $student (sort
- Line 834  LISTJAVASCRIPT
+ Line 1062  LISTJAVASCRIPT
  	$ctr++;
  	my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
+         my $group = $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
  	if ( $perm{'vgr'} eq 'F' ) {
- 	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
+ 	    if ($ctr%2 ==1) {
+ 		$gradeTable.= &Apache::loncommon::start_data_table_row();
+ 	    }
  	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
-                '<td align="center"><label><input type=checkbox name="stuinfo" value="'.
+                '<td align="center"><label><input type="checkbox" name="stuinfo" value="'.
                 $student.':'.$$fullname{$student}.':::SECTION'.$section.
  	       ')&nbsp;" />&nbsp;&nbsp;</label></td>'."\n".'<td>'.
  	       &nameUserString(undef,$$fullname{$student},$uname,$udom).
- 	       '&nbsp;'.$section.'</td>'."\n";
+ 	       '&nbsp;'.$section.($group ne '' ?'/'.$group:'').'</td>'."\n";
  	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
- 		foreach (sort keys(%status)) {
+ 		foreach (sort(keys(%status))) {
- 		    next if (/^resource.*?submitted_by$/);
+ 		    next if ($_ =~ /^resource.*?submitted_by$/);
- 		    $gradeTable.='<td align="center">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
+ 		    $gradeTable.='<td align="center">&nbsp;'.&mt($status{$_}).'&nbsp;</td>'."\n";
  		}
  	    }
  #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
- 	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
+ 	    if ($ctr%2 ==0) {
+ 		$gradeTable.=&Apache::loncommon::end_data_table_row()."\n";
+ 	    }
  	}
      }
      if ($ctr%2 ==1) {
- Line 865  LISTJAVASCRIPT
+ Line 1097  LISTJAVASCRIPT
  	    } elsif ($submitonly eq 'queued') {
  		$gradeTable.='<td>&nbsp;</td>';
  	    }
- 	$gradeTable.='</tr>';
+ 	$gradeTable.=&Apache::loncommon::end_data_table_row();
      }
-     $gradeTable.='</table></td></tr></table>'."\n".
+     $gradeTable.=&Apache::loncommon::end_data_table()."\n".
  	'<input type="button" '.
  	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
- 	'value="Next->" /></form>'."\n";
+ 	'value="'.&mt('Next').' &rarr;" /></form>'."\n";
      if ($ctr == 0) {
  	my $num_students=(scalar(keys(%$fullname)));
  	if ($num_students eq 0) {
- 	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
+ 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.&mt('There are no students currently enrolled.').'</span>';
  	} else {
  	    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">'.
+ 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.
- 		'No '.$submissions.' found for this resource for any students. ('.$num_students.
+ 		&mt('No '.$submissions.' found for this resource for any students. ([_1] students checked for '.$submissions.')',
- 		' students checked for '.$submissions.')</font><br />';
+ 		    $num_students).
+ 		'</span><br />';
  	}
      } elsif ($ctr == 1) {
- 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
+ 	$gradeTable =~ s/type="checkbox"/type="checkbox" checked="checked"/;
      }
      $gradeTable.=&show_grading_menu_form($symb);
      $request->print($gradeTable);
- Line 933  sub check_script {
+ Line 1166  sub check_script {
  }
  sub check_buttons {
-     my $buttons.='<input type="button" onclick="checkall()" value="Check All" />';
+     my $buttons.='<input type="button" onclick="checkall()" value="'.&mt('Check All').'" />';
-     $buttons.='<input type="button" onclick="uncheckall()" value="Uncheck All" />&nbsp;';
+     $buttons.='<input type="button" onclick="uncheckall()" value="'.&mt('Uncheck All').'" />&nbsp;';
-     $buttons.='<input type="button" onclick="checksec()" value="Check Section/Group" />';
+     $buttons.='<input type="button" onclick="checksec()" value="'.&mt('Check Section/Group').'" />';
      $buttons.='<input type="text" size="5" name="chksec" />&nbsp;';
      return $buttons;
  }
- Line 947  sub processGroup {
+ Line 1180  sub processGroup {
      my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
      my $total      = scalar(@stuchecked)-1;
-     foreach (@stuchecked) {
+     foreach my $student (@stuchecked) {
- 	my ($uname,$udom,$fullname) = split(/:/);
+ 	my ($uname,$udom,$fullname) = split(/:/,$student);
  	$env{'form.student'}        = $uname;
  	$env{'form.userdom'}        = $udom;
  	$env{'form.fullname'}       = $fullname;
- Line 966  sub processGroup {
+ Line 1199  sub processGroup {
  #--- Javascript to handle the submission page functionality ---
  sub sub_page_js {
      my $request = shift;
+ 	    my $alertmsg = &mt('A number equal or greater than 0 is expected. Entered value = ');
      $request->print(<<SUBJAVASCRIPT);
  <script type="text/javascript" language="javascript">
      function updateRadio(formname,id,weight) {
- Line 976  sub sub_page_js {
+ Line 1210  sub sub_page_js {
  	gradeBox.value = pts;
  	var resetbox = false;
  	if (isNaN(pts) || pts < 0) {
- 	    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
+ 	    alert("$alertmsg"+pts);
  	    for (var i=0; i<radioButton.length; i++) {
  		if (radioButton[i].checked) {
  		    gradeBox.value = i;
- Line 1221  INNERJS
+ Line 1455  INNERJS
      my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
      $docopen=~s/^document\.//;
+     my $alertmsg = &mt('Please select a word or group of words from document and then click this link.');
      $request->print(<<SUBJAVASCRIPT);
  <script type="text/javascript" language="javascript">
- Line 1253  INNERJS
+ Line 1488  INNERJS
      else return;
      var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
      if (cleantxt=="") {
- 	alert("Please select a word or group of words from document and then click this link.");
+ 	alert("$alertmsg");
  	return;
      }
      var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
- Line 1338  INNERJS
+ Line 1573  INNERJS
      pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
      pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
-     pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br /><br />");
+     pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Compose Message for \"+fullname+\"<\\/span><\\/h3><br /><br />");
-     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
+     pDoc.write('<table border="0" width="100%"><tr><td bgcolor="#777777">');
-     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
+     pDoc.write('<table border="0" width="100%"><tr bgcolor="#DDFFFF">');
-     pDoc.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
+     pDoc.write("<td><b>Type<\\/b><\\/td><td><b>Include<\\/b><\\/td><td><b>Message<\\/td><\\/tr>");
  }
      function displaySubject(msg,shwsel) {
      pDoc = pWin.document;
      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-     pDoc.write("<td>Subject</td>");
+     pDoc.write("<td>Subject<\\/td>");
-     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
+     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
-     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
+     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"><\\/td><\\/tr>");
  }
    function displaySavedMsg(ctr,msg,shwsel) {
      pDoc = pWin.document;
      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-     pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
+     pDoc.write("<td align=\\"center\\">"+ctr+"<\\/td>");
-     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
+     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
-     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"</textarea></td></tr>");
+     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"<\\/textarea><\\/td><\\/tr>");
  }
    function newMsg(newmsg,shwsel) {
      pDoc = pWin.document;
      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-     pDoc.write("<td align=\\"center\\">New</td>");
+     pDoc.write("<td align=\\"center\\">New<\\/td>");
-     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
+     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
-     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"</textarea></td></tr>");
+     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"<\\/textarea><\\/td><\\/tr>");
  }
    function msgTail() {
      pDoc = pWin.document;
-     pDoc.write("</table>");
+     pDoc.write("<\\/table>");
-     pDoc.write("</td></tr></table>&nbsp;");
+     pDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
      pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
      pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
-     pDoc.write("</form>");
+     pDoc.write("<\\/form>");
      pDoc.write('$end_page_msg_central');
      pDoc.close();
  }
- Line 1423  INNERJS
+ Line 1658  INNERJS
      hDoc.$docopen;
      hDoc.write('$start_page_highlight_central');
      hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
-     hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br /><br />");
+     hDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Keyword Highlight Options<\\/span><\\/h3><br /><br />");
-     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
+     hDoc.write('<table border="0" width="100%"><tr><td bgcolor="#777777">');
-     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
+     hDoc.write('<table border="0" width="100%"><tr bgcolor="#DDFFFF">');
-     hDoc.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
+     hDoc.write("<td><b>Text Color<\\/b><\\/td><td><b>Font Size<\\/b><\\/td><td><b>Font Style<\\/td><\\/tr>");
    }
    function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) {
      var hDoc = hwdWin.document;
      hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
      hDoc.write("<td align=\\"left\\">");
-     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
+     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"<\\/td>");
      hDoc.write("<td align=\\"left\\">");
-     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
+     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"<\\/td>");
      hDoc.write("<td align=\\"left\\">");
-     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
+     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"<\\/td>");
-     hDoc.write("</tr>");
+     hDoc.write("<\\/tr>");
    }
    function highlightend() {
      var hDoc = hwdWin.document;
-     hDoc.write("</table>");
+     hDoc.write("<\\/table>");
-     hDoc.write("</td></tr></table>&nbsp;");
+     hDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
      hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
      hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
-     hDoc.write("</form>");
+     hDoc.write("<\\/form>");
      hDoc.write('$end_page_highlight_central');
      hDoc.close();
    }
- Line 1469  sub get_increment {
+ Line 1704  sub get_increment {
  #--- displays the grading box, used in essay type problem and grading by page/sequence
  sub gradeBox {
      my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
-     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
+     my $checkIcon = '<img alt="'.&mt('Check Mark').
- 	'/check.gif" height="16" border="0" />';
+ 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
      my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
-     my $wgtmsg = ($wgt > 0 ? '(problem weight)' :
+     my $wgtmsg = ($wgt > 0) ? &mt('(problem weight)')
- 		  '<font color="red">problem weight assigned by computer</font>');
+                            : '<span class="LC_info">'.&mt('problem weight assigned by computer').'</span>';
      $wgt       = ($wgt > 0 ? $wgt : '1');
      my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
  		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
      my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
-     my $display_part=&get_display_part($partid,$symb);
+     my $display_part= &get_display_part($partid,$symb);
      my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
  				       [$partid]);
      my $aggtries = $$record{'resource.'.$partid.'.tries'};
      if ($last_resets{$partid}) {
          $aggtries = &get_num_tries($record,$last_resets{$partid},$partid);
      }
-     $result.='<table border="0"><tr><td>'.
+     $result.='<table border="0"><tr>';
- 	'<b>Part: </b>'.$display_part.' <b>Points: </b></td><td>'."\n";
      my $ctr = 0;
      my $thisweight = 0;
      my $increment = &get_increment();
-     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
+     my $radio.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
      while ($thisweight<=$wgt) {
- 	$result.= '<td><nobr><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
+ 	$radio.= '<td><span class="LC_nobreak"><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
  	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
  	    $thisweight.')" value="'.$thisweight.'" '.
- 	    ($score eq $thisweight ? 'checked':'').' /> '.$thisweight."</label></nobr></td>\n";
+ 	    ($score eq $thisweight ? 'checked="checked"':'').' /> '.$thisweight."</label></span></td>\n";
- 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
+ 	$radio.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
          $thisweight += $increment;
  	$ctr++;
      }
-     $result.='</tr></table>';
+     $radio.='</tr></table>';
-     $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
-     $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
+     my $line.='<input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
  	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
  	'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
  	$wgt.')" /></td>'."\n";
-     $result.='<td>/'.$wgt.' '.$wgtmsg.
+     $line.='<td>/'.$wgt.' '.$wgtmsg.
  	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
- 	' </td><td>'."\n";
+ 	' </td><td><b>'.&mt('Grade Status').':</b>'."\n";
-     $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
+     $line.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
  	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
      if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
- 	$result.='<option> </option>'.
+ 	$line.='<option></option>'.
- 	    '<option selected="on">excused</option>';
+ 	    '<option value="excused" selected="selected">'.&mt('excused').'</option>';
      } else {
- 	$result.='<option selected="on"> </option>'.
+ 	$line.='<option selected="selected"></option>'.
- 	    '<option>excused</option>';
+ 	    '<option value="excused" >'.&mt('excused').'</option>';
      }
-     $result.='<option>reset status</option></select>'."\n";
+     $line.='<option value="reset status">'.&mt('reset status').'</option></select>'."\n";
-     $result.="&nbsp&nbsp\n";
+ 	#&mt('<td><b>Part:</b></td><td>[_1]</td><td><b>Points:</b></td><td>[_2]</td><td>or</td><td>[_3]</td>',$display_part,$radio,$line);
+     $result .=
+ 	    '<td><b>'.&mt('Part:').'</b></td><td>'.$display_part.'</td><td><b>'.&mt('Points:').'</b></td><td>'.$radio.'</td><td>'.&mt('or').'</td><td>'.$line.'</td>';
+     $result.='</tr></table>'."\n";
      $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
  	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
  	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
- Line 1528  sub gradeBox {
+ Line 1768  sub gradeBox {
          $$record{'resource.'.$partid.'.tries'}.'" />'."\n".
          '<input type="hidden" name="aggtries'.$counter.'_'.$partid.'" value="'.
          $aggtries.'" />'."\n";
-     $result.='</td></tr></table>'."\n";
+     my $res_error;
-     $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record);
+     $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record,\$res_error);
+     if ($res_error) {
+         return &navmap_errormsg();
+     }
      return $result;
  }
  sub handback_box {
-     my ($symb,$uname,$udom,$counter,$partid,$record) = @_;
+     my ($symb,$uname,$udom,$counter,$partid,$record,$res_error) = @_;
-     my ($partlist,$handgrade,$responseType) = &response_type($symb);
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error);
      my (@respids);
       my @part_response_id = &flatten_responseType($responseType);
      foreach my $part_response_id (@part_response_id) {
- Line 1560  sub handback_box {
+ Line 1803  sub handback_box {
      			 '<span class="LC_filename">'.$file_disp.'</span>');
      	        $result.='<input type="file"   name="'.$prefix.'returndoc'.$file_counter.'" />'."\n";
      	        $result.='<input type="hidden" name="'.$prefix.'origdoc'.$file_counter.'" value="'.$file.'" /><br />';
-     	        $result.='(File will be uploaded when you click on Save & Next below.)<br />';
+     	        $result.='('.&mt('File will be uploaded when you click on Save &amp; Next below.').')<br />';
      	        $file_counter++;
  	    }
  	}
- Line 1569  sub handback_box {
+ Line 1812  sub handback_box {
  }
  sub show_problem {
-     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode) = @_;
+     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode,$form) = @_;
      my $rendered;
+     my %form = ((ref($form) eq 'HASH')? %{$form} : ());
      &Apache::lonxml::remember_problem_counter();
      if ($mode eq 'both' or $mode eq 'text') {
  	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
- 					     $env{'request.course.id'});
+ 						       $env{'request.course.id'},
+ 						       undef,\%form);
      }
      if ($removeform) {
  	$rendered=~s|<form(.*?)>||g;
- Line 1584  sub show_problem {
+ Line 1829  sub show_problem {
      my $companswer;
      if ($mode eq 'both' or $mode eq 'answer') {
  	&Apache::lonxml::restore_problem_counter();
- 	$companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
+ 	$companswer=
- 						    $env{'request.course.id'});
+ 	    &Apache::loncommon::get_student_answers($symb,$uname,$udom,
+ 						    $env{'request.course.id'},
+ 						    %form);
      }
      if ($removeform) {
  	$companswer=~s|<form(.*?)>||g;
  	$companswer=~s|</form>||g;
  	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
      }
-     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
+     $rendered=
-     $result.='<table border="0" width="100%">';
+ 	'<div class="LC_grade_show_problem_header">'.
-     if ($viewon) {
+ 	&mt('View of the problem').
- 	$result.='<tr><td bgcolor="#e6ffff"><b> ';
+ 	'</div><div class="LC_grade_show_problem_problem">'.
- 	if ($mode eq 'both' or $mode eq 'text') {
+ 	$rendered.
- 	    $result.='View of the problem - ';
+ 	'</div>';
- 	} else {
+     $companswer=
- 	    $result.='Correct answer: ';
+ 	'<div class="LC_grade_show_problem_header">'.
- 	}
+ 	&mt('Correct answer').
- 	$result.=$env{'form.fullname'}.'</b></td></tr>';
+ 	'</div><div class="LC_grade_show_problem_problem">'.
-     }
+ 	$companswer.
+ 	'</div>';
+     my $result;
      if ($mode eq 'both') {
- 	$result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
+ 	$result=$rendered.$companswer;
- 	$result.='<b>Correct answer:</b><br />'.$companswer;
      } elsif ($mode eq 'text') {
- 	$result.='<tr><td bgcolor="#ffffff">'.$rendered;
+ 	$result=$rendered;
      } elsif ($mode eq 'answer') {
- 	$result.='<tr><td bgcolor="#ffffff">'.$companswer;
+ 	$result=$companswer;
      }
-     $result.='</td></tr></table>';
+     $result='<div class="LC_grade_show_problem">'.$result.'</div>';
-     $result.='</td></tr></table><br />';
      return $result;
  }
+ sub files_exist {
+     my ($r, $symb) = @_;
+     my @students = &Apache::loncommon::get_env_multiple('form.stuinfo');
+     foreach my $student (@students) {
+         my ($uname,$udom,$fullname) = split(/:/,$student);
+         my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+ 					      $udom,$uname);
+         my ($string,$timestamp)= &get_last_submission(\%record);
+         foreach my $submission (@$string) {
+             my ($partid,$respid) =
+ 		($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
+             my $files=&get_submitted_files($udom,$uname,$partid,$respid,
+ 					   \%record);
+             return 1 if (@$files);
+         }
+     }
+     return 0;
+ }
+ sub download_all_link {
+     my ($r,$symb) = @_;
+     my $all_students =
+ 	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
+     my $parts =
+ 	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
+     my $identifier = &Apache::loncommon::get_cgi_id();
+     &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students,
+                              'cgi.'.$identifier.'.symb' => $symb,
+                              'cgi.'.$identifier.'.parts' => $parts,});
+     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
+ 	      &mt('Download All Submitted Documents').'</a>');
+     return
+ }
+ sub build_section_inputs {
+     my $section_inputs;
+     if ($env{'form.section'} eq '') {
+         $section_inputs .= '<input type="hidden" name="section" value="all" />'."\n";
+     } else {
+         my @sections = &Apache::loncommon::get_env_multiple('form.section');
+         foreach my $section (@sections) {
+             $section_inputs .= '<input type="hidden" name="section" value="'.$section.'" />'."\n";
+         }
+     }
+     return $section_inputs;
+ }
  # --------------------------- show submissions of a student, option to grade
  sub submission {
      my ($request,$counter,$total) = @_;
      my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
      $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
      my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
      $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq '';
      my $symb = &get_symb($request);
      if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
      if (!&canview($usec)) {
- 	$request->print('<font color="red">Unable to view requested student.('.
+ 	$request->print('<span class="LC_warning">Unable to view requested student.('.
- 			$uname.'@'.$udom.' in section '.$usec.' in course id '.
+ 			$uname.':'.$udom.' in section '.$usec.' in course id '.
- 			$env{'request.course.id'}.')</font>');
+ 			$env{'request.course.id'}.')</span>');
  	$request->print(&show_grading_menu_form($symb));
  	return;
      }
- Line 1640  sub submission {
+ Line 1935  sub submission {
      if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; }
      if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; }
      my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
-     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
+     my $checkIcon = '<img alt="'.&mt('Check Mark').
+ 	'" src="'.$request->dir_config('lonIconsURL').
  	'/check.gif" height="16" border="0" />';
+     my %old_essays;
      # header info
      if ($counter == 0) {
  	&sub_page_js($request);
  	&sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes');
  	$env{'form.probTitle'} = $env{'form.probTitle'} eq '' ?
  	    &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
+ 	if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) {
- 	$request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
+ 	    &download_all_link($request, $symb);
- 			'<font size=+1>&nbsp;<b>Resource: </b>'.$env{'form.probTitle'}.'</font>'."\n");
- 	if ($env{'form.handgrade'} eq 'no') {
- 	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
- 		$checkIcon.' symbol.'."\n";
- 	    $request->print($checkMark);
  	}
+ 	$request->print('<h3>&nbsp;<span class="LC_info">'.&mt('Submission Record').'</span></h3>'."\n".
+ 			'<h4>&nbsp;'.&mt('<b>Resource: </b> [_1]',$env{'form.probTitle'}).'</h4>'."\n");
  	# option to display problem, only once else it cause problems
          # with the form later since the problem has a form.
- Line 1673  sub submission {
+ Line 1966  sub submission {
  	    &Apache::lonxml::clear_problem_counter();
  	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
  	}
  	# kwclr is the only variable that is guaranteed to be non blank
          # if this subroutine has been called once.
  	my %keyhash = ();
- Line 1692  sub submission {
+ Line 1985  sub submission {
  	    $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
  	}
  	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
+ 	my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
  	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
  			'<input type="hidden" name="command"    value="handgrade" />'."\n".
  			'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
- 			'<input type="hidden" name="Status"     value="'.$env{'form.Status'}.'" />'."\n".
+ 			'<input type="hidden" name="Status"     value="'.$stu_status.'" />'."\n".
  			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
  			'<input type="hidden" name="probTitle"  value="'.$env{'form.probTitle'}.'" />'."\n".
  			'<input type="hidden" name="refresh"    value="off" />'."\n".
  			'<input type="hidden" name="studentNo"  value="" />'."\n".
  			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
- 			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
+ 			'<input type="hidden" name="symb"       value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  			'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" />'."\n".
  			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
  			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
  			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
- 			'<input type="hidden" name="section"    value="'.$env{'form.section'}.'" />'."\n".
+ 			&build_section_inputs().
  			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
  			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'" />'."\n".
  			'<input type="hidden" name="NCT"'.
- Line 1743  sub submission {
+ Line 2036  sub submission {
  #
  	    $request->print(<<KEYWORDS);
  &nbsp;<b>Keyword Options:</b>&nbsp;
- <a href="javascript:keywords(document.SCORE)"; TARGET=_self>List</a>&nbsp; &nbsp;
+ <a href="javascript:keywords(document.SCORE);" target="_self">List</a>&nbsp; &nbsp;
  <a href="#" onMouseDown="javascript:getSel(); return false"
   CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
- <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
+ <a href="javascript:kwhighlight();" target="_self">Highlight Attribute</a><br /><br />
  KEYWORDS
  #
  # Load the other essays for similarity check
  #
              my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb);
- 	    my ($adom,$aname,$apath)=($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
+ 	    my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
  	    $apath=&escape($apath);
  	    $apath=~s/\W/\_/gs;
- 	    %oldessays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
+ 	    %old_essays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
          }
      }
+ # This is where output for one specific student would start
+     my $add_class = ($counter%2) ? 'LC_grade_show_user_odd_row' : '';
+     $request->print("\n\n".
+                     '<div class="LC_grade_show_user '.$add_class.'">'.
+ 		    '<div class="LC_grade_user_name">'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'</div>'.
+ 		    '<div class="LC_grade_show_user_body">'."\n");
      if ($env{'form.vProb'} eq 'all' or $env{'form.vAns'} eq 'all') {
- 	$request->print('<br /><br /><br />') if ($counter > 0);
  	my $mode;
  	if ($env{'form.vProb'} eq 'all' && $env{'form.vAns'} eq 'all') {
  	    $mode='both';
- Line 1770  KEYWORDS
+ Line 2069  KEYWORDS
  	    $mode='answer';
  	}
  	&Apache::lonxml::clear_problem_counter();
- 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
+ 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,{'request.prefix' => 'ctr'.$counter}));
      }
      my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
-     my ($partlist,$handgrade,$responseType) = &response_type($symb);
+     my $res_error;
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
+     if ($res_error) {
+         $request->print(&navmap_errormsg());
+         return;
+     }
      # Display student info
      $request->print(($counter == 0 ? '' : '<br />'));
-     my $result='<table border="0" width="100%"><tr><td bgcolor="#777777">'."\n".
+     my $result='<div class="LC_grade_submissions">';
- 	'<table border="0" width="100%"><tr bgcolor="#edffff"><td>'."\n";
+     $result.='<div class="LC_grade_submissions_header">';
-     $result.='<b>Fullname: </b>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'<br />'."\n";
+     $result.= &mt('Submissions');
      $result.='<input type="hidden" name="name'.$counter.
  	'" value="'.$env{'form.fullname'}.'" />'."\n";
+     if ($env{'form.handgrade'} eq 'no') {
+ 	$result.='<span class="LC_grade_check_note">'.
+ 	    &mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)."</span>\n";
+     }
      # If any part of the problem is an essay-response (handgraded), then check for collaborators
-     my @col_fullnames;
+     my $fullname;
-     my ($classlist,$fullname);
+     my $col_fullnames = [];
      if ($env{'form.handgrade'} eq 'yes') {
- 	($classlist,undef,$fullname) = &getclasslist('all','0');
+ 	(my $sub_result,$fullname,$col_fullnames)=
- 	for (keys (%$handgrade)) {
+ 	    &check_collaborators($symb,$uname,$udom,\%record,$handgrade,
- 	    my $ncol = &Apache::lonnet::EXT('resource.'.$_.
+ 				 $counter);
- 					    '.maxcollaborators',
+ 	$result.=$sub_result;
-                                             $symb,$udom,$uname);
- 	    next if ($ncol <= 0);
-             s/\_/\./g;
-             next if ($record{'resource.'.$_.'.collaborators'} eq '');
-             my @goodcollaborators = ();
-             my @badcollaborators  = ();
- 	    foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) {
- 		$_ =~ s/[\$\^\(\)]//g;
- 		next if ($_ eq '');
- 		my ($co_name,$co_dom) = split /\@|:/,$_;
- 		$co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
- 		next if ($co_name eq $uname && $co_dom eq $udom);
- 		# Doing this grep allows 'fuzzy' specification
- 		my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
- 		if (! scalar(@Matches)) {
- 		    push @badcollaborators,$_;
- 		} else {
- 		    push @goodcollaborators, @Matches;
- 		}
- 	    }
-             if (scalar(@goodcollaborators) != 0) {
-                 $result.='<b>Collaborators: </b>';
-                 foreach (@goodcollaborators) {
- 		    my ($lastname,$givenn) = split(/,/,$$fullname{$_});
- 		    push @col_fullnames, $givenn.' '.$lastname;
- 		    $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
- 		}
-                 $result.='<br />'."\n";
- 		my ($part)=split(/\./,$_);
- 		$result.='<input type="hidden" name="collaborator'.$counter.
- 		    '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
- 		    "\n";
- 	    }
- 	    if (scalar(@badcollaborators) > 0) {
- 		$result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
- 		$result.='This student has submitted ';
- 		$result.=(scalar(@badcollaborators) == 1) ? 'an invalid collaborator' : 'invalid collaborators';
- 		$result .= ': '.join(', ',@badcollaborators);
- 		$result .= '</td></tr></table>';
- 	    }
- 	    if (scalar(@badcollaborators > $ncol)) {
- 		$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>';
- 		$result .= 'This student has submitted too many '.
- 		    'collaborators.  Maximum is '.$ncol.'.';
- 		$result .= '</td></tr></table>';
- 	    }
- 	}
      }
      $request->print($result."\n");
+     $request->print('</div>'."\n");
      # print student answer/submission
      # Options are (1) Handgaded submission only
      #             (2) Last submission, includes submission that is not handgraded
- Line 1851  KEYWORDS
+ Line 2115  KEYWORDS
      #             (4) The whole record for this student
      if ($env{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
  	my ($string,$timestamp)= &get_last_submission(\%record);
- 	my $lastsubonly=''.
- 	    ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
+ 	my $lastsubonly;
- 	     $$timestamp)."</td></tr>\n";
  	if ($$timestamp eq '') {
- 	    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0];
+ 	    $lastsubonly.='<div class="LC_grade_submissions_body">'.$$string[0].'</div>';
  	} else {
+ 	    $lastsubonly = '<div class="LC_grade_submissions_body"> <b>Date Submitted:</b> '.$$timestamp."\n";
  	    my %seenparts;
  	    my @part_response_id = &flatten_responseType($responseType);
  	    foreach my $part (@part_response_id) {
+ 		next if ($env{'form.lastSub'} eq 'hdgrade'
+ 			 && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes');
  		my ($partid,$respid) = @{ $part };
  		my $display_part=&get_display_part($partid,$symb);
  		if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
- Line 1869  KEYWORDS
+ Line 2138  KEYWORDS
  			' <b>Collaborative submission by:</b> '.
  			'<a href="javascript:viewSubmitter(\''.
  			$env{"form.$uname:$udom:$partid:submitted_by"}.
- 			'\')"; TARGET=_self>'.
+ 			'\');" target="_self">'.
  			$$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
  		    $request->print($submitby);
  		    next;
  		}
  		my $responsetype = $responseType->{$partid}->{$respid};
  		if (!exists($record{"resource.$partid.$respid.submission"})) {
- 		    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
+                     $lastsubonly.="\n".'<div class="LC_grade_submission_part">'.
- 			$display_part.' <font color="#999999">( ID '.$respid.
+                         '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
- 			' )</font>&nbsp; &nbsp;'.
+                         ' <span class="LC_internal_info">'.
- 			'<font color="red">Nothing submitted - no attempts</font><br /><br />';
+                         '('.&mt('Part ID: [_1]',$respid).')</b>'.
+                         '</span>&nbsp; &nbsp;'.
+ 			'<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span><br /><br /></div>';
  		    next;
  		}
- 		foreach (@$string) {
+ 		foreach my $submission (@$string) {
- 		    my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
+ 		    my ($partid,$respid) = ($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
  		    if (join('_',@{$part}) ne ($partid.'_'.$respid)) { next; }
- 		    my ($ressub,$subval) = split(/:/,$_,2);
+ 		    my ($ressub,$subval) = split(/:/,$submission,2);
  		    # Similarity check
  		    my $similar='';
  		    if($env{'form.checkPlag'}){
  			my ($oname,$odom,$ocrsid,$oessay,$osim)=
- 			    &most_similar($uname,$udom,$subval);
+ 			    &most_similar($uname,$udom,$subval,\%old_essays);
  			if ($osim) {
  			    $osim=int($osim*100.0);
- 			    $similar="<hr /><h3><font color=\"#FF0000\">Essay".
+ 			    my %old_course_desc =
- 				" is $osim% similar to an essay by ".
+ 				&Apache::lonnet::coursedescription($ocrsid,
- 				&Apache::loncommon::plainname($oname,$odom).
+ 								   {'one_time' => 1});
- 				'</font></h3><blockquote><i>'.
+ 			    $similar="<hr /><h3><span class=\"LC_warning\">".
+ 				&mt('Essay is [_1]% similar to an essay by [_2] in course [_3] (course id [_4]:[_5])',
+ 				    $osim,
+ 				    &Apache::loncommon::plainname($oname,$odom).' ('.$oname.':'.$odom.')',
+ 				    $old_course_desc{'description'},
+ 				    $old_course_desc{'num'},
+ 				    $old_course_desc{'domain'}).
+ 				'</span></h3><blockquote><i>'.
  				&keywords_highlight($oessay).
  				'</i></blockquote><hr />';
  			}
- Line 1906  KEYWORDS
+ Line 2185  KEYWORDS
  			($env{'form.lastSub'} eq 'hdgrade' &&
  			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
  			my $display_part=&get_display_part($partid,$symb);
- 			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
+                         $lastsubonly.='<div class="LC_grade_submission_part">'.
- 			    $display_part.' <font color="#999999">( ID '.$respid.
+                             '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
- 			    ' )</font>&nbsp; &nbsp;';
+                             ' <span class="LC_internal_info">'.
+                             '('.&mt('Part ID: [_1]',$respid).')'.
+                             '</b></span>&nbsp; &nbsp;';
  			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
  			if (@$files) {
- 			    $lastsubonly.='<br /><font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
+ 			    $lastsubonly.='<br /><span class="LC_warning">'.&mt('Like all files provided by users, this file may contain viruses').'</span><br />';
  			    my $file_counter = 0;
  			    foreach my $file (@$files) {
- 			        $file_counter ++;
+ 			        $file_counter++;
  				&Apache::lonnet::allowuploaded('/adm/grades',$file);
- 				$lastsubonly.='<br /><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
+ 				$lastsubonly.='<br /><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border="0" /> '.$file.'</a>';
  			    }
  			    $lastsubonly.='<br />';
  			}
- 			$lastsubonly.='<b>Submitted Answer: </b>'.
+ 			$lastsubonly.='<b>'.&mt('Submitted Answer:').' </b>'.
  			    &cleanRecord($subval,$responsetype,$symb,$partid,
- 					 $respid,\%record,$order);
+ 					 $respid,\%record,$order,undef,$uname,$udom);
  			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
+ 			$lastsubonly.='</div>';
  		    }
  		}
  	    }
+ 	    $lastsubonly.='</div>'."\n";
  	}
- 	$lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
  	$request->print($lastsubonly);
-     } elsif ($env{'form.lastSub'} eq 'datesub') {
+    } elsif ($env{'form.lastSub'} eq 'datesub') {
  	my (undef,$responseType,undef,$parts) = &showResourceInfo($symb);
  	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
      } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
- Line 1942  KEYWORDS
+ Line 2224  KEYWORDS
      $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
  	.$udom.'" />'."\n");
      # return if view submission with no grading option
      if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) {
  	my $toGrade.='<input type="button" value="Grade Student" '.
  	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
- 	    .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
+ 	    .$counter.'\');" target="_self" /> &nbsp;'."\n" if (&canmodify($usec));
- 	$toGrade.='</td></tr></table></td></tr></table>'."\n";
+ 	$toGrade.='</div>'."\n";
  	if (($env{'form.command'} eq 'submission') ||
  	    ($env{'form.command'} eq 'processGroup' && $counter == $total)) {
  	    $toGrade.='</form>'.&show_grading_menu_form($symb);
- Line 1956  KEYWORDS
+ Line 2237  KEYWORDS
  	$request->print($toGrade);
  	return;
      } else {
- 	$request->print('</td></tr></table></td></tr></table>'."\n");
+ 	$request->print('</div>'."\n");
      }
      # essay grading message center
      if ($env{'form.handgrade'} eq 'yes') {
+ 	my $result='<div class="LC_grade_message_center">';
+ 	$result.='<div class="LC_grade_message_center_header">'.
+ 	    &mt('Send Message').'</div><div class="LC_grade_message_center_body">';
  	my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
  	my $msgfor = $givenn.' '.$lastname;
- 	if (scalar(@col_fullnames) > 0) {
+ 	if (scalar(@$col_fullnames) > 0) {
- 	    my $lastone = pop @col_fullnames;
+ 	    my $lastone = pop(@$col_fullnames);
- 	    $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
+ 	    $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.';
  	}
  	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
- 	$result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
+ 	$result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
  	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
  	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
- 	    ',\''.$msgfor.'\')"; TARGET=_self>'.
+ 	    ',\''.$msgfor.'\');" target="_self">'.
- 	    &mt('Compose message to student').(scalar(@col_fullnames) >= 1 ? 's' : '').'</a><label> ('.
+ 	    &mt('Compose message to student').(scalar(@$col_fullnames) >= 1 ? 's' : '').'</a><label> ('.
  	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
  	    '<img src="'.$request->dir_config('lonIconsURL').
  	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
  	    '<br />&nbsp;('.
- 	    &mt('Message will be sent when you click on Save & Next below.').")\n";
+ 	    &mt('Message will be sent when you click on Save &amp; Next below.').")\n";
+ 	$result.='</div></div>';
  	$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;
      my @gradePartRespid;
      my @part_response_id = &flatten_responseType($responseType);
+     $request->print('<div class="LC_grade_assign">'.
+ 		    '<div class="LC_grade_assign_header">'.
+ 		    &mt('Assign Grades').'</div>'.
+ 		    '<div class="LC_grade_assign_body">');
      foreach my $part_response_id (@part_response_id) {
      	my ($partid,$respid) = @{ $part_response_id };
  	my $part_resp = join('_',@{ $part_response_id });
  	next if ($seen{$partid} > 0);
  	$seen{$partid}++;
- 	next if ($$handgrade{$part_resp} =~ /:no$/ && $env{'form.lastSub'} =~ /^(hdgrade)$/);
+ 	next if ($$handgrade{$part_resp} ne 'yes'
- 	push @partlist,$partid;
+ 		 && $env{'form.lastSub'} eq 'hdgrade');
- 	push @gradePartRespid,$partid.'.'.$respid;
+ 	push(@partlist,$partid);
+ 	push(@gradePartRespid,$partid.'.'.$respid);
  	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
      }
+     $request->print('</div></div>');
+     $request->print('<div class="LC_grade_info_links">');
+     if ($perm{'vgr'}) {
+ 	$request->print(
+ 	    &Apache::loncommon::track_student_link(&mt('View recent activity'),
+ 						   $uname,$udom,'check'));
+     }
+     if ($perm{'opa'}) {
+ 	$request->print(
+ 	    &Apache::loncommon::pprmlink(&mt('Set/Change parameters'),
+ 					 $uname,$udom,$symb,'check'));
+     }
+     $request->print('</div>');
      $result='<input type="hidden" name="partlist'.$counter.
  	'" value="'.(join ":",@partlist).'" />'."\n";
      $result.='<input type="hidden" name="gradePartRespid'.
- Line 2015  KEYWORDS
+ Line 2312  KEYWORDS
  	    $partlist[$ctr].'" />'."\n";
  	$ctr++;
      }
-     $request->print($result.'</td></tr></table></td></tr></table>'."\n");
+     $request->print($result.''."\n");
+ # Done with printing info for one student
+     $request->print('</div>');#LC_grade_show_user_body
+     $request->print('</div>');#LC_grade_show_user
      # print end of form
      if ($counter == $total) {
  	my $endform='<table border="0"><tr><td>'."\n";
- 	$endform.='<input type="button" value="Save & Next" '.
+ 	$endform.='<input type="button" value="'.&mt('Save &amp; Next').'" '.
  	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
- 	    $total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
+ 	    $total.','.scalar(@partlist).');" target="_self" /> &nbsp;'."\n";
  	my $ntstu ='<select name="NTSTU">'.
  	    '<option>1</option><option>2</option>'.
  	    '<option>3</option><option>5</option>'.
  	    '<option>7</option><option>10</option></select>'."\n";
  	my $nsel = ($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : '1');
- 	$ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
+ 	$ntstu =~ s/<option>$nsel</<option selected="selected">$nsel</;
- 	$endform.=$ntstu.'student(s) &nbsp;&nbsp;';
+         $endform.=&mt('[_1]student(s)',$ntstu);
- 	$endform.='<input type="button" value="Previous" '.
+ 	$endform.='&nbsp;&nbsp;<input type="button" value="'.&mt('Previous').'" '.
- 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;'."\n".
+ 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" target="_self" /> &nbsp;'."\n".
- 	    '<input type="button" value="Next" '.
+ 	    '<input type="button" value="'.&mt('Next').'" '.
- 	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
+ 	    'onClick="javascript:checksubmit(this.form,\'Next\');" target="_self" /> &nbsp;';
- 	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
+ 	$endform.=&mt('(Next and Previous (student) do not save the scores.)')."\n" ;
          $endform.="<input type='hidden' value='".&get_increment().
              "' name='increment' />";
- 	$endform.='</td><tr></table></form>';
+ 	$endform.='</td></tr></table></form>';
  	$endform.=&show_grading_menu_form($symb);
  	$request->print($endform);
      }
      return '';
  }
+ sub check_collaborators {
+     my ($symb,$uname,$udom,$record,$handgrade,$counter) = @_;
+     my ($result,@col_fullnames);
+     my ($classlist,undef,$fullname) = &getclasslist('all','0');
+     foreach my $part (keys(%$handgrade)) {
+ 	my $ncol = &Apache::lonnet::EXT('resource.'.$part.
+ 					'.maxcollaborators',
+ 					$symb,$udom,$uname);
+ 	next if ($ncol <= 0);
+ 	$part =~ s/\_/\./g;
+ 	next if ($record->{'resource.'.$part.'.collaborators'} eq '');
+ 	my (@good_collaborators, @bad_collaborators);
+ 	foreach my $possible_collaborator
+ 	    (split(/,?\s+/,$record->{'resource.'.$part.'.collaborators'})) {
+ 	    $possible_collaborator =~ s/[\$\^\(\)]//g;
+ 	    next if ($possible_collaborator eq '');
+ 	    my ($co_name,$co_dom) = split(/\@|:/,$possible_collaborator);
+ 	    $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
+ 	    next if ($co_name eq $uname && $co_dom eq $udom);
+ 	    # Doing this grep allows 'fuzzy' specification
+ 	    my @matches = grep(/^\Q$co_name\E:\Q$co_dom\E$/i,
+ 			       keys(%$classlist));
+ 	    if (! scalar(@matches)) {
+ 		push(@bad_collaborators, $possible_collaborator);
+ 	    } else {
+ 		push(@good_collaborators, @matches);
+ 	    }
+ 	}
+ 	if (scalar(@good_collaborators) != 0) {
+ 	    $result.='<br />'.&mt('Collaborators: ');
+ 	    foreach my $name (@good_collaborators) {
+ 		my ($lastname,$givenn) = split(/,/,$$fullname{$name});
+ 		push(@col_fullnames, $givenn.' '.$lastname);
+ 		$result.=$fullname->{$name}.'&nbsp; &nbsp; &nbsp;';
+ 	    }
+ 	    $result.='<br />'."\n";
+ 	    my ($part)=split(/\./,$part);
+ 	    $result.='<input type="hidden" name="collaborator'.$counter.
+ 		'" value="'.$part.':'.(join ':',@good_collaborators).'" />'.
+ 		"\n";
+ 	}
+ 	if (scalar(@bad_collaborators) > 0) {
+ 	    $result.='<div class="LC_warning">';
+ 	    $result.=&mt('This student has submitted [quant,_1,invalid collaborator]: [_2]',scalar(@bad_collaborators),join(', ',@bad_collaborators));
+ 	    $result .= '</div>';
+ 	}
+ 	if (scalar(@bad_collaborators > $ncol)) {
+ 	    $result .= '<div class="LC_warning">';
+ 	    $result .= &mt('This student has submitted too many '.
+ 		'collaborators.  Maximum is [_1].',$ncol);
+ 	    $result .= '</div>';
+ 	}
+     }
+     return ($result,$fullname,\@col_fullnames);
+ }
  #--- Retrieve the last submission for all the parts
  sub get_last_submission {
      my ($returnhash)=@_;
- Line 2052  sub get_last_submission {
+ Line 2411  sub get_last_submission {
  	my %lasthash=();
  	my ($version);
  	for ($version=1;$version<=$$returnhash{'version'};$version++) {
- 	    foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
+ 	    foreach my $key (sort(split(/\:/,
- 		$lasthash{$_}=$$returnhash{$version.':'.$_};
+ 					$$returnhash{$version.':keys'}))) {
- 		   $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
+ 		$lasthash{$key}=$$returnhash{$version.':'.$key};
+ 		$timestamp =
+ 		    &Apache::lonlocal::locallocaltime($$returnhash{$version.':timestamp'});
  	    }
  	}
- 	foreach ((keys %lasthash)) {
+ 	foreach my $key (keys(%lasthash)) {
- 	    if ($_ =~ /\.submission$/) {
+ 	    next if ($key !~ /\.submission$/);
- 		my ($partid,$foo) = split(/submission$/,$_);
- 		my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
+ 	    my ($partid,$foo) = split(/submission$/,$key);
- 		    '<font color="red">Draft Copy</font> ' : '';
+ 	    my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
- 		push @string, (join(':',$_,$draft.$lasthash{$_}));
+ 		'<span class="LC_warning">Draft Copy</span> ' : '';
- 	    }
+ 	    push(@string, join(':', $key, $draft.$lasthash{$key}));
  	}
      }
-     @string = $string[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
+     if (!@string) {
-     return \@string,\$timestamp;
+ 	$string[0] =
+ 	    '<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span>';
+     }
+     return (\@string,\$timestamp);
  }
  #--- High light keywords, with style choosen by user.
- Line 2077  sub keywords_highlight {
+ Line 2441  sub keywords_highlight {
      my $styleon   = $env{'form.kwstyle'} eq ''  ? '' : $env{'form.kwstyle'};
      (my $styleoff = $styleon) =~ s/\</\<\//;
      my @keylist   = split(/[,\s+]/,$env{'form.keywords'});
-     foreach (@keylist) {
+     foreach my $keyword (@keylist) {
- 	$string =~ s/\b\Q$_\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
+ 	$string =~ s/\b\Q$keyword\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$keyword$styleoff<\/font>/gi;
      }
      return $string;
  }
- Line 2104  sub processHandGrade {
+ Line 2468  sub processHandGrade {
  		next;
  	    }
  	    if ($errorflag eq 'not_allowed') {
- 		$request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
+ 		$request->print("<span class=\"LC_warning\">Not allowed to modify grades for $uname:$udom</span>");
  		$ctr++;
  		next;
  	    }
  	    my $includemsg = $env{'form.includemsg'.$ctr};
  	    my ($subject,$message,$msgstatus) = ('','','');
+ 	    my $restitle = &Apache::lonnet::gettitle($symb);
+             my ($feedurl,$showsymb) =
+ 		&get_feedurl_and_symb($symb,$uname,$udom);
+ 	    my $messagetail;
  	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
  		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
  		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
- 		$subject.=' ['.&Apache::lonnet::declutter($url).']';
+ 		$subject.=' ['.$restitle.']';
  		my (@msgnum) = split(/,/,$includemsg);
  		foreach (@msgnum) {
  		    $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
- Line 2121  sub processHandGrade {
+ Line 2489  sub processHandGrade {
  		$message =&Apache::lonfeedback::clear_out_html($message);
  		if ($env{'form.withgrades'.$ctr}) {
  		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
- 		    $message.=" for <a href=\"".
+ 		    $messagetail = " for <a href=\"".
- 		    &Apache::lonnet::clutter($url).
+ 		                   $feedurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
- 		    "?symb=$symb\">$env{'form.probTitle'}</a>";
+ 		}
- 		}
+ 		$msgstatus =
- 		$msgstatus = &Apache::lonmsg::user_normal_msg($uname,$udom,
+                     &Apache::lonmsg::user_normal_msg($uname,$udom,$subject,
- 							      $subject,
+ 						     $message.$messagetail,
- 							      $message);
+                                                      undef,$feedurl,undef,
- 		$request->print('<br />'.&mt('Sending message to [_1]@[_2]',$uname,$udom).': '.
+                                                      undef,undef,$showsymb,
+                                                      $restitle);
+ 		$request->print('<br />'.&mt('Sending message to [_1]',$uname.':'.$udom).': '.
  				$msgstatus);
  	    }
  	    if ($env{'form.collaborator'.$ctr}) {
- Line 2142  sub processHandGrade {
+ Line 2512  sub processHandGrade {
  			if ($errorflag eq 'not_allowed') {
  			    $request->print("<span class=\"LC_error\">".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom")."</span>");
  			    next;
- 			} else {
+ 			} elsif ($message ne '') {
- 			    if ($message ne '') {
+ 			    my ($baseurl,$showsymb) =
- 				$msgstatus = &Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message);
+ 				&get_feedurl_and_symb($symb,$collaborator,
+ 						      $udom);
+ 			    if ($env{'form.withgrades'.$ctr}) {
+ 				$messagetail = " for <a href=\"".
+                                     $baseurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
  			    }
+ 			    $msgstatus =
+ 				&Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
  			}
  		    }
  		}
- Line 2235  sub processHandGrade {
+ Line 2611  sub processHandGrade {
      my (@parsedlist,@nextlist);
      my ($nextflg) = 0;
-     foreach (sort
+     foreach my $item (sort
  	     {
  		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
  		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
- Line 2243  sub processHandGrade {
+ Line 2619  sub processHandGrade {
  		 return $a cmp $b;
  	     } (keys(%$fullname))) {
  	if ($nextflg == 1 && $button =~ /Next$/) {
- 	    push @parsedlist,$_;
+ 	    push(@parsedlist,$item);
  	}
- 	$nextflg = 1 if ($_ eq $laststu);
+ 	$nextflg = 1 if ($item eq $laststu);
  	if ($button eq 'Previous') {
- 	    last if ($_ eq $firststu);
+ 	    last if ($item eq $firststu);
- 	    push @parsedlist,$_;
+ 	    push(@parsedlist,$item);
  	}
      }
      $ctr = 0;
      @parsedlist = reverse @parsedlist if ($button eq 'Previous');
-     my ($partlist) = &response_type($symb);
+     my $res_error;
+     my ($partlist) = &response_type($symb,\$res_error);
+     if ($res_error) {
+         $request->print(&navmap_errormsg());
+         return;
+     }
      foreach my $student (@parsedlist) {
  	my $submitonly=$env{'form.submitonly'};
  	my ($uname,$udom) = split(/:/,$student);
- Line 2271  sub processHandGrade {
+ Line 2652  sub processHandGrade {
  	    my $submitted = 0;
  	    my $ungraded = 0;
  	    my $incorrect = 0;
- 	    foreach (keys(%status)) {
+ 	    foreach my $item (keys(%status)) {
- 		$submitted = 1 if ($status{$_} ne 'nothing');
+ 		$submitted = 1 if ($status{$item} ne 'nothing');
- 		$ungraded = 1 if ($status{$_} =~ /^ungraded/);
+ 		$ungraded = 1 if ($status{$item} =~ /^ungraded/);
- 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
+ 		$incorrect = 1 if ($status{$item} =~ /^incorrect/);
- 		my ($foo,$partid,$foo1) = split(/\./,$_);
+ 		my ($foo,$partid,$foo1) = split(/\./,$item);
  		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
  		    $submitted = 0;
  		}
- Line 2286  sub processHandGrade {
+ Line 2667  sub processHandGrade {
  	    next if (!$ungraded && ($submitonly eq 'graded'));
  	    next if (!$incorrect && $submitonly eq 'incorrect');
  	}
- 	push @nextlist,$student if ($ctr < $ntstu);
+ 	push(@nextlist,$student) if ($ctr < $ntstu);
  	last if ($ctr == $ntstu);
  	$ctr++;
      }
- Line 2294  sub processHandGrade {
+ Line 2675  sub processHandGrade {
      $ctr = 0;
      my $total = scalar(@nextlist)-1;
-     foreach (sort @nextlist) {
+     foreach (sort(@nextlist)) {
  	my ($uname,$udom,$submitter) = split(/:/);
  	$env{'form.student'}  = $uname;
  	$env{'form.userdom'}  = $udom;
- Line 2303  sub processHandGrade {
+ Line 2684  sub processHandGrade {
  	$ctr++;
      }
      if ($total < 0) {
- 	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
+ 	my $the_end = '<h3><span class="LC_info">'.&mt('LON-CAPA User Message').'</span></h3><br />'."\n";
- 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
+ 	$the_end.=&mt('<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.=&mt('Click on the button below to return to the grading menu.').'<br /><br />'."\n";
  	$the_end.=&show_grading_menu_form($symb);
  	$request->print($the_end);
      }
- Line 2340  sub saveHandGrade {
+ Line 2721  sub saveHandGrade {
  	    }
  	} elsif ($dropMenu eq 'reset status'
  		 && exists($record{'resource.'.$new_part.'.solved'})) { #don't bother if no old records -> no attempts
- 	    foreach my $key (keys (%record)) {
+ 	    foreach my $key (keys(%record)) {
  		if ($key=~/^resource\.\Q$new_part\E\./) { $newrecord{$key} = ''; }
  	    }
  	    $newrecord{'resource.'.$new_part.'.regrader'}=
- Line 2375  sub saveHandGrade {
+ Line 2756  sub saveHandGrade {
                  &handback_files($request,$symb,$stuname,$domain,$newflg,$new_part,\%newrecord);
  		next;
  	    } else {
- 	        push @parts_graded, $new_part;
+ 	        push(@parts_graded,$new_part);
  	    }
  	    if ($record{'resource.'.$new_part.'.awarded'} ne $partial) {
  		$newrecord{'resource.'.$new_part.'.awarded'}  = $partial;
- Line 2402  sub saveHandGrade {
+ Line 2783  sub saveHandGrade {
  	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
  	        $dropMenu eq 'reset status')
  	   {
- 	    push (@version_parts,$new_part);
+ 	    push(@version_parts,$new_part);
  	}
      }
      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
- Line 2420  sub saveHandGrade {
+ Line 2801  sub saveHandGrade {
          }
  	&Apache::lonnet::cstore(\%newrecord,$symb,
  				$env{'request.course.id'},$domain,$stuname);
- 	my @ungraded_parts;
+ 	&check_and_remove_from_queue(\@parts,\%record,\%newrecord,$symb,
- 	foreach my $part (@parts) {
+ 				     $cdom,$cnum,$domain,$stuname);
- 	    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,
- Line 2439  sub saveHandGrade {
+ Line 2811  sub saveHandGrade {
      return ('',$pts,$wgt);
  }
+ sub check_and_remove_from_queue {
+     my ($parts,$record,$newrecord,$symb,$cdom,$cnum,$domain,$stuname) = @_;
+     my @ungraded_parts;
+     foreach my $part (@{$parts}) {
+ 	if (    $record->{   'resource.'.$part.'.awarded'} eq ''
+ 	     && $record->{   'resource.'.$part.'.solved' } ne 'excused'
+ 	     && $newrecord->{'resource.'.$part.'.awarded'} eq ''
+ 	     && $newrecord->{'resource.'.$part.'.solved' } ne 'excused'
+ 		) {
+ 	    push(@ungraded_parts, $part);
+ 	}
+     }
+     if ( !@ungraded_parts ) {
+ 	&Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom,
+ 					       $cnum,$domain,$stuname);
+     }
+ }
  sub handback_files {
      my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
-     my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio';
+     my $portfolio_root = '/userfiles/portfolio';
-     my ($partlist,$handgrade,$responseType) = &response_type($symb);
+     my $res_error;
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
+     if ($res_error) {
+         $request->print('<br />'.&navmap_errormsg().'<br />');
+         return;
+     }
      my @part_response_id = &flatten_responseType($responseType);
      foreach my $part_response_id (@part_response_id) {
      	my ($part_id,$resp_id) = @{ $part_response_id };
- Line 2459  sub handback_files {
+ Line 2853  sub handback_files {
                      my ($answer_name,$answer_ver,$answer_ext) =
  		        &file_name_version_ext($answer_file);
  		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
- 		    my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root);
+                     my $getpropath = 1;
+ 		    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,$domain,$stuname,$getpropath);
  		    my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
                      # fix file name
                      my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
- Line 2467  sub handback_files {
+ Line 2862  sub handback_files {
              	                                $newflg.'_'.$part_resp.'_returndoc'.$file_counter,
              	                                $save_file_name);
                      if ($result !~ m|^/uploaded/|) {
-                         $request->print('<font color="red"> An errror occured ('.$result.
+                         $request->print('<br /><span class="LC_error">'.
-                         ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'</font><br />');
+                             &mt('An error occurred ([_1]) while trying to upload [_2].',
+                                 $result,$newflg.'_'.$part_resp.'_returndoc'.$file_counter).
+                                         '</span>');
                      } else {
                          # mark the file as read only
                          my @files = ($save_file_name);
- Line 2490  sub handback_files {
+ Line 2887  sub handback_files {
  		$message .= "<strong>".&Apache::lonnet::gettitle($symb)."</strong><br />";
  		$message .= ' The returned file(s) are named: '. $file_msg;
  		$message .= " and can be found in your portfolio space.";
- 		my $url = (&Apache::lonnet::decode_symb($symb))[2];
+ 		my ($feedurl,$showsymb) =
- 		$url = &Apache::lonnet::declutter($url);
+ 		    &get_feedurl_and_symb($symb,$domain,$stuname);
- 		my $msgstatus = &Apache::lonmsg::user_normal_msg($stuname,$domain,
+                 my $restitle = &Apache::lonnet::gettitle($symb);
- 								 $subject.' (File Returned) ['.$url.']',$message);
+ 		my $msgstatus =
+                    &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject.
+ 			 ' (File Returned) ['.$restitle.']',$message,undef,
+                          $feedurl,undef,undef,undef,$showsymb,$restitle);
              }
          }
      return;
  }
+ sub get_feedurl_and_symb {
+     my ($symb,$uname,$udom) = @_;
+     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
+     $url = &Apache::lonnet::clutter($url);
+     my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
+ 					$symb,$udom,$uname);
+     if ($encrypturl =~ /^yes$/i) {
+ 	&Apache::lonenc::encrypted(\$url,1);
+ 	&Apache::lonenc::encrypted(\$symb,1);
+     }
+     return ($url,$symb);
+ }
  sub get_submitted_files {
      my ($udom,$uname,$partid,$respid,$record) = @_;
      my @files;
- Line 2550  sub decrement_aggs {
+ Line 2962  sub decrement_aggs {
      if ($aggtries == $totaltries) {
          $decrement{'users'} = 1;
      }
-     foreach my $type (keys (%decrement)) {
+     foreach my $type (keys(%decrement)) {
          $$aggregate{$symb."\0".$part."\0".$type} = -$decrement{$type};
      }
      return;
- Line 2580  sub version_portfiles {
+ Line 2992  sub version_portfiles {
      my $version_parts = join('|',@$v_flag);
      my @returned_keys;
      my $parts = join('|', @$parts_graded);
-     my $portfolio_root = &propath($domain,$stu_name).
+     my $portfolio_root = '/userfiles/portfolio';
- 	'/userfiles/portfolio';
      foreach my $key (keys(%$record)) {
          my $new_portfiles;
          if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
- Line 2592  sub version_portfiles {
+ Line 3003  sub version_portfiles {
                  my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
  		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);
+                 my $getpropath = 1;
+                 my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,$stu_name,$getpropath);
                  my $version = &get_next_version($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') {
- Line 2638  sub version_selected_portfile {
+ Line 3050  sub version_selected_portfile {
      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.'.'.$answer_ext;
- Line 2673  sub file_name_version_ext {
+ Line 3084  sub file_name_version_ext {
  sub viewgrades_js {
      my ($request) = shift;
+     my $alertmsg = &mt('A number equal or greater than 0 is expected. Entered value = ');
      $request->print(<<VIEWJAVASCRIPT);
  <script type="text/javascript" language="javascript">
     function writePoint(partid,weight,point) {
- Line 2681  sub viewgrades_js {
+ Line 3093  sub viewgrades_js {
  	if (point == "textval") {
  	    point = document.classgrade["TEXTVAL_"+partid].value;
  	    if (isNaN(point) || parseFloat(point) < 0) {
- 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
+ 		alert("$alertmsg"+parseFloat(point));
  		var resetbox = false;
  		for (var i=0; i<radioButton.length; i++) {
  		    if (radioButton[i].checked) {
- Line 2779  sub viewgrades_js {
+ Line 3191  sub viewgrades_js {
  	var weight = document.classgrade["weight_"+partid].value;
  	if (isNaN(point) || parseFloat(point) < 0) {
- 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
+ 	    alert("$alertmsg"+parseFloat(point));
  	    textbox.value = "";
  	    return;
  	}
- Line 2852  sub viewgrades {
+ Line 3264  sub viewgrades {
                   $env{'course.'.$env{'request.course.id'}.'.domain'});
      &Apache::lonnet::clear_EXT_cache_status();
-     my $result='<h3><font color="#339933">'.&mt('Manual Grading').'</font></h3>';
+     my $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>';
-     $result.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font>'."\n";
+     $result.='<h4>'.&mt('<b>Current Resource: </b>[_1]',$env{'form.probTitle'}).'</h4>'."\n";
      #view individual student submission form - called using Javascript viewOneStudent
      $result.=&jscriptNform($symb);
      #beginning of class grading form
+     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
      $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
- 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="command" value="editgrades" />'."\n".
- 	'<input type="hidden" name="section" value="'.$env{'form.section'}.'" />'."\n".
+ 	&build_section_inputs().
  	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
- 	'<input type="hidden" name="Status" value="'.$env{'form.Status'}.'" />'."\n".
+ 	'<input type="hidden" name="Status" value="'.$env{'stu_status'}.'" />'."\n".
  	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
-     my $sectionClass;
+     my ($common_header,$specific_header);
      if ($env{'form.section'} eq 'all') {
- 	$sectionClass='Class </h3>';
+ 	$common_header = &mt('Assign Common Grade to Class');
+         $specific_header = &mt('Assign Grade to Specific Students in Class');
      } elsif ($env{'form.section'} eq 'none') {
- 	$sectionClass='Students in no Section </h3>';
+         $common_header = &mt('Assign Common Grade to Students in no Section');
+ 	$specific_header = &mt('Assign Grade to Specific Students in no Section');
      } else {
- 	$sectionClass='Students in Section '.$env{'form.section'}.'</h3>';
+         my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
+         $common_header = &mt('Assign Common Grade to Students in Section(s) [_1]',$section_display);
+ 	$specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1]',$section_display);
      }
-     $result.='<h3>Assign Common Grade To '.$sectionClass;
+     $result.= '<h3>'.$common_header.'</h3>'.&Apache::loncommon::start_data_table();
-     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
- 	'<table border=0><tr bgcolor="#ffffdd"><td>';
      #radio buttons/text box for assigning points for a section or class.
      #handles different parts of a problem
-     my ($partlist,$handgrade,$responseType) = &response_type($symb);
+     my $res_error;
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
+     if ($res_error) {
+         return &navmap_errormsg();
+     }
      my %weight = ();
      my $ctsparts = 0;
-     $result.='<table border="0">';
      my %seen = ();
      my @part_response_id = &flatten_responseType($responseType);
      foreach my $part_response_id (@part_response_id) {
- Line 2895  sub viewgrades {
+ Line 3313  sub viewgrades {
  	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
  	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
- 	$result.='<input type="hidden" name="partid_'.
- 	    $ctsparts.'" value="'.$partid.'" />'."\n";
- 	$result.='<input type="hidden" name="weight_'.
- 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
  	my $display_part=&get_display_part($partid,$symb);
- 	$result.='<tr><td><b>Part:</b> '.$display_part.'&nbsp; &nbsp;<b>Point:</b> </td><td>';
+ 	my $radio.='<table border="0"><tr>';
- 	$result.='<table border="0"><tr>';
  	my $ctr = 0;
  	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
- 	    $result.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
+ 	    $radio.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
  		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
  		','.$ctr.')" />'.$ctr."</label></td>\n";
  	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
  	    $ctr++;
  	}
- 	$result.='</tr></table>';
+ 	$radio.='</tr></table>';
- 	$result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
+ 	my $line = '<input type="text" name="TEXTVAL_'.
  	    $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
  		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
- 	    $weight{$partid}.' (problem weight)</td>'."\n";
+ 	    $weight{$partid}.' '.&mt('(problem weight)').'</td>'."\n";
- 	$result.= '</td><td><select name="SELVAL_'.$partid.'"'.
+ 	$line.= '<td><b>'.&mt('Grade Status').':</b><select name="SELVAL_'.$partid.'"'.
  	    'onChange="javascript:writeRadText(\''.$partid.'\','.
  		$weight{$partid}.')"> '.
- 	    '<option selected="on"> </option>'.
+ 	    '<option selected="selected"> </option>'.
- 	    '<option>excused</option>'.
+ 	    '<option value="excused">'.&mt('excused').'</option>'.
- 	    '<option>reset status</option></select></td>'.
+ 	    '<option value="reset status">'.&mt('reset status').'</option>'.
-             '<td><label><input type="checkbox" name="FORCE_'.$partid.'" /> Override "Correct"</label></td></tr>'."\n";
+ 	    '</select></td>'.
+             '<td><label><input type="checkbox" name="FORCE_'.$partid.'" />'.&mt('Override "Correct"').'</label>';
+ 	$line.='<input type="hidden" name="partid_'.
+ 	    $ctsparts.'" value="'.$partid.'" />'."\n";
+ 	$line.='<input type="hidden" name="weight_'.
+ 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
+ 	$result.=
+ 	    &Apache::loncommon::start_data_table_row()."\n".
+ 	    '<td><b>'.&mt('Part:').'</b></td><td>'.$display_part.'</td><td><b>'.&mt('Points:').'</b></td><td>'.$radio.'</td><td>'.&mt('or').'</td><td>'.$line.'</td>'.
+ 	    &Apache::loncommon::end_data_table_row()."\n";
  	$ctsparts++;
      }
-     $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
+     $result.=&Apache::loncommon::end_data_table()."\n".
  	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
-     $result.='<input type="button" value="Reset" '.
+     $result.='<input type="button" value="'.&mt('Revert to Default').'" '.
- 	'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
+ 	'onClick="javascript:resetEntry('.$ctsparts.');" />';
      #table listing all the students in a section/class
      #header of table
-     $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
+     $result.= '<h3>'.$specific_header.'</h3>'.
-     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
+               &Apache::loncommon::start_data_table().
- 	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
+ 	      &Apache::loncommon::start_data_table_header_row().
- 	'<td>'.&nameUserString('header')."</td>\n";
+ 	      '<th>'.&mt('No.').'</th>'.
-     my (@parts) = sort(&getpartlist($symb));
+ 	      '<th>'.&nameUserString('header')."</th>\n";
+     my $partserror;
+     my (@parts) = sort(&getpartlist($symb,\$partserror));
+     if ($partserror) {
+         return &navmap_errormsg();
+     }
      my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
      my @partids = ();
      foreach my $part (@parts) {
  	my $display=&Apache::lonnet::metadata($url,$part.'.display');
- 	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
+         my $narrowtext = &mt('Tries');
+ 	$display =~ s|^Number of Attempts|$narrowtext <br />|; # makes the column narrower
  	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
  	my ($partid) = &split_part_type($part);
-         push(@partids, $partid);
+         push(@partids,$partid);
  	my $display_part=&get_display_part($partid,$symb);
  	if ($display =~ /^Partial Credit Factor/) {
- 	    $result.='<td><b>Score Part:</b> '.$display_part.
+ 	    $result.='<th>'.
- 		' <br /><b>(weight = '.$weight{$partid}.')</b></td>'."\n";
+ 		&mt('Score Part: [_1]<br /> (weight = [_2])',
+ 		    $display_part,$weight{$partid}).'</th>'."\n";
  	    next;
  	} else {
- 	    $display =~s/\[Part: \Q$partid\E\]/Part:<\/b> $display_part/;
+ 	    if ($display =~ /Problem Status/) {
+ 		my $grade_status_mt = &mt('Grade Status');
+ 		$display =~ s{Problem Status}{$grade_status_mt<br />};
+ 	    }
+ 	    my $part_mt = &mt('Part:');
+ 	    $display =~s{\[Part: \Q$partid\E\]}{$part_mt $display_part};
  	}
- 	$display =~ s|Problem Status|Grade Status<br />|;
- 	$result.='<td><b>'.$display.'</td>'."\n";
+ 	$result.='<th>'.$display.'</th>'."\n";
      }
-     $result.='</tr>';
+     $result.=&Apache::loncommon::end_data_table_header_row();
      my %last_resets =
  	&get_last_resets($symb,$env{'request.course.id'},\@partids);
- Line 2975  sub viewgrades {
+ Line 3411  sub viewgrades {
  	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
  				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
      }
-     $result.='</table></td></tr></table>';
+     $result.=&Apache::loncommon::end_data_table();
      $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
-     $result.='<input type="button" value="Save" '.
+     $result.='<input type="button" value="'.&mt('Save').'" '.
- 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
+ 	'onClick="javascript:submit();" target="_self" /></form>'."\n";
      if (scalar(%$fullname) eq 0) {
  	my $colspan=3+scalar(@parts);
- 	$result='<font color="red">There are no students in section "'.$env{'form.section'}.
+ 	my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
- 	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</font>';
+         my $stu_status = join(' or ',&Apache::loncommon::get_env_multiple('form.Status'));
+ 	$result='<span class="LC_warning">'.
+ 	    &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.',
+ 	        $section_display, $stu_status).
+ 	    '</span>';
      }
      $result.=&show_grading_menu_form($symb);
      return $result;
- Line 2994  sub viewstudentgrade {
+ Line 3434  sub viewstudentgrade {
      my ($uname,$udom) = split(/:/,$student);
      my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
      my %aggregates = ();
-     my $result='<tr bgcolor="#ffffdd"><td align="right">'.
+     my $result=&Apache::loncommon::start_data_table_row().'<td align="right">'.
  	'<input type="hidden" name="ctr'.($ctr-1).'" value="'.$student.'" />'.
  	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
  	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
- 	'\')"; TARGET=_self>'.$fullname.'</a> '.
+ 	'\');" target="_self">'.$fullname.'</a> '.
- 	'<font color="#999999">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
+ 	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
      $student=~s/:/_/; # colon doen't work in javascript for names
      foreach my $apart (@$parts) {
  	my ($part,$type) = &split_part_type($apart);
- Line 3036  sub viewstudentgrade {
+ Line 3476  sub viewstudentgrade {
  	    $result.='&nbsp;<select name="'.
  		'GD_'.$student.'_'.$part.'_solved" '.
  		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
- 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="on">excused</option>'
+ 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="selected" value="excused">'.&mt('excused').'</option>'
- 		: '<option selected="on"> </option><option>excused</option>')."\n";
+ 		: '<option selected="selected"> </option><option value="excused">'.&mt('excused').'</option>')."\n";
- 	    $result.='<option>reset status</option>';
+ 	    $result.='<option value="reset status">'.&mt('reset status').'</option>';
  	    $result.="</select>&nbsp;</td>\n";
  	} else {
  	    $result.='<input type="hidden" name="'.
- Line 3049  sub viewstudentgrade {
+ Line 3489  sub viewstudentgrade {
  		'value="'.$score.'" size="4" /></td>'."\n";
  	}
      }
-     $result.='</tr>';
+     $result.=&Apache::loncommon::end_data_table_row();
      return $result;
  }
- Line 3059  sub editgrades {
+ Line 3499  sub editgrades {
      my ($request) = @_;
      my $symb=&get_symb($request);
-     my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
+     my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
-     $title.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font><br />'."\n";
+     my $title='<h2>'.&mt('Current Grade Status').'</h2>';
-     $title.='<font size=+1><b>Section: </b>'.$env{'form.section'}.'</font>'."\n";
+     $title.='<h4>'.&mt('<b>Current Resource: </b>[_1]',$env{'form.probTitle'}).'</h4>'."\n";
+     $title.='<h4>'.&mt('<b>Section: </b>[_1]',$section_display).'</h4>'."\n";
-     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
-     $result.= '<table border="0"><tr bgcolor="#deffff">'.
+     my $result= &Apache::loncommon::start_data_table().
- 	'<td rowspan=2 valign="center">&nbsp;<b>No.</b>&nbsp;</td>'.
+ 	&Apache::loncommon::start_data_table_header_row().
- 	'<td rowspan=2 valign="center">'.&nameUserString('header')."</td>\n";
+ 	'<th rowspan="2" valign="middle">'.&mt('No.').'</th>'.
+ 	'<th rowspan="2" valign="middle">'.&nameUserString('header')."</th>\n";
      my %scoreptr = (
  		    'correct'  =>'correct_by_override',
  		    'incorrect'=>'incorrect_by_override',
- Line 3082  sub editgrades {
+ Line 3522  sub editgrades {
      my %columns = ();
      my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
-     my (@parts) = sort(&getpartlist($symb));
+     my $partserror;
+     my (@parts) = sort(&getpartlist($symb,\$partserror));
+     if ($partserror) {
+         return &navmap_errormsg();
+     }
      my $header;
      while ($ctr < $env{'form.totalparts'}) {
  	my $partid = $env{'form.partid_'.$ctr};
- 	push @partid,$partid;
+ 	push(@partid,$partid);
  	$weight{$partid} = $env{'form.weight_'.$partid};
  	$ctr++;
      }
      my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
      foreach my $partid (@partid) {
- 	$header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
+ 	$header .= '<th align="center">'.&mt('Old Score').'</th>'.
- 	    '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
+ 	    '<th align="center">'.&mt('New Score').'</th>';
  	$columns{$partid}=2;
  	foreach my $stores (@parts) {
  	    my ($part,$type) = &split_part_type($stores);
  	    if ($part !~ m/^\Q$partid\E/) { next;}
  	    if ($type eq 'awarded' || $type eq 'solved') { next; }
  	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
- 	    $display =~ s/\[Part: (\w)+\]//;
+ 	    $display =~ s/\[Part: \Q$part\E\]//;
- 	    $display =~ s/Number of Attempts/Tries/;
+             my $narrowtext = &mt('Tries');
- 	    $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
+ 	    $display =~ s/Number of Attempts/$narrowtext/;
- 		'<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
+ 	    $header .= '<th align="center">'.&mt('Old').' '.$display.'</th>'.
+ 		'<th align="center">'.&mt('New').' '.$display.'</th>';
  	    $columns{$partid}+=2;
  	}
      }
      foreach my $partid (@partid) {
  	my $display_part=&get_display_part($partid,$symb);
- 	$result .= '<td colspan="'.$columns{$partid}.
+ 	$result .= '<th colspan="'.$columns{$partid}.'" align="center">'.
- 	    '" align="center"><b>Part:</b> '.$display_part.
+ 	    &mt('Part: [_1] (Weight = [_2])',$display_part,$weight{$partid}).
- 	    ' (Weight = '.$weight{$partid}.')</td>';
+ 	    '</th>';
      }
-     $result .= '</tr><tr bgcolor="#deffff">';
+     $result .= &Apache::loncommon::end_data_table_header_row().
-     $result .= $header;
+ 	&Apache::loncommon::start_data_table_header_row().
-     $result .= '</tr>'."\n";
+ 	$header.
-     my $noupdate;
+ 	&Apache::loncommon::end_data_table_header_row();
+     my @noupdate;
      my ($updateCtr,$noupdateCtr) = (1,1);
      for ($i=0; $i<$env{'form.total'}; $i++) {
  	my $line;
- Line 3129  sub editgrades {
+ Line 3575  sub editgrades {
  	my $usec=$classlist->{"$uname:$udom"}[5];
  	if (!&canmodify($usec)) {
  	    my $numcols=scalar(@partid)*4+2;
- 	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
+ 	    push(@noupdate,
+ 		 $line."<td colspan=\"$numcols\"><span class=\"LC_warning\">".
+ 		 &mt('Not allowed to modify student')."</span></td></tr>");
  	    next;
  	}
          my %aggregate = ();
- Line 3198  sub editgrades {
+ Line 3646  sub editgrades {
  		    '<td align="center">'.$awarded.'&nbsp;</td>';
  	    }
  	}
- 	$line.='</tr>'."\n";
+ 	$line.="\n";
  	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
- Line 3231  sub editgrades {
+ Line 3679  sub editgrades {
  		}
  	    }
- 	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
+ 	    $result.=&Apache::loncommon::start_data_table_row().
+ 		'<td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line.
+ 		&Apache::loncommon::end_data_table_row();
  	    $updateCtr++;
  	} else {
- 	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
+ 	    push(@noupdate,
+ 		 '<td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line);
  	    $noupdateCtr++;
  	}
          if ($aggregateflag) {
- Line 3242  sub editgrades {
+ Line 3693  sub editgrades {
  				  $cdom,$cnum);
          }
      }
-     if ($noupdate) {
+     if (@noupdate) {
  #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
  	my $numcols=scalar(@partid)*4+2;
- 	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr><tr bgcolor="#ffffde">'.$noupdate;
+ 	$result .= &Apache::loncommon::start_data_table_row('LC_empty_row').
-     }
+ 	    '<td align="center" colspan="'.$numcols.'">'.
-     $result .= '</table></td></tr></table>'."\n".
+ 	    &mt('No Changes Occurred For the Students Below').
- 	&show_grading_menu_form ($symb);
+ 	    '</td>'.
-     my $msg = '<br /><b>Number of records updated = '.$rec_update.
+ 	    &Apache::loncommon::end_data_table_row();
- 	' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
+ 	foreach my $line (@noupdate) {
- 	'<b>Total number of students = '.$env{'form.total'}.'</b><br />';
+ 	    $result.=
+ 		&Apache::loncommon::start_data_table_row().
+ 		$line.
+ 		&Apache::loncommon::end_data_table_row();
+ 	}
+     }
+     $result .= &Apache::loncommon::end_data_table().
+ 	&show_grading_menu_form($symb);
+     my $msg = '<p><b>'.
+ 	&mt('Number of records updated = [_1] for [quant,_2,student].',
+ 	    $rec_update,$count).'</b><br />'.
+ 	'<b>'.&mt('Total number of students = [_1]',$env{'form.total'}).
+ 	'</b></p>';
      return $title.$msg.$result;
  }
- Line 3259  sub split_part_type {
+ Line 3722  sub split_part_type {
      my ($partstr) = @_;
      my ($temp,@allparts)=split(/_/,$partstr);
      my $type=pop(@allparts);
-     my $part=join('.',@allparts);
+     my $part=join('_',@allparts);
      return ($part,$type);
  }
- Line 3274  sub split_part_type {
+ Line 3737  sub split_part_type {
  #
  #--- Javascript to handle csv upload
  sub csvupload_javascript_reverse_associate {
-     my $error1=&mt('You need to specify the username or ID');
+     my $error1=&mt('You need to specify the username or the student/employee ID');
      my $error2=&mt('You need to specify at least one grading field');
    return(<<ENDPICK);
    function verify(vf) {
- Line 3314  ENDPICK
+ Line 3777  ENDPICK
  }
  sub csvupload_javascript_forward_associate {
-     my $error1=&mt('You need to specify the username or ID');
+     my $error1=&mt('You need to specify the username or the student/employee ID');
      my $error2=&mt('You need to specify at least one grading field');
    return(<<ENDPICK);
    function verify(vf) {
- Line 3362  sub csvuploadmap_header {
+ Line 3825  sub csvuploadmap_header {
      my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
      my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
      my $ignore=&mt('Ignore First Line');
+     $symb = &Apache::lonenc::check_encrypt($symb);
      $request->print(<<ENDPICK);
  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
- <h3><font color="#339933">Uploading Class Grades</font></h3>
+ <h3><span class="LC_info">Uploading Class Grades</span></h3>
  $result
  <hr />
  <h3>Identify fields</h3>
- Line 3394  ENDPICK
+ Line 3858  ENDPICK
  }
  sub csvupload_fields {
-     my ($symb) = @_;
+     my ($symb,$errorref) = @_;
-     my (@parts) = &getpartlist($symb);
+     my (@parts) = &getpartlist($symb,$errorref);
-     my @fields=(['ID','Student ID'],
+     if (ref($errorref)) {
+         if ($$errorref) {
+             return;
+         }
+     }
+     my @fields=(['ID','Student/Employee ID'],
  		['username','Student Username'],
  		['domain','Student Domain']);
      my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
- Line 3426  ENDPICK
+ Line 3896  ENDPICK
  }
  sub checkforfile_js {
+     my $alertmsg = &mt('Please use the browse button to select a file from your local directory.');
      my $result =<<CSVFORMJS;
  <script type="text/javascript" language="javascript">
      function checkUpload(formname) {
  	if (formname.upfile.value == "") {
- 	    alert("Please use the browse button to select a file from your local directory.");
+ 	    alert("$alertmsg");
  	    return false;
  	}
  	formname.submit();
- Line 3450  sub upcsvScores_form {
+ Line 3921  sub upcsvScores_form {
      $result.=$table;
      $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
      $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
-     $result.='&nbsp;<b>'.&mt('Specify a file containing the class scores for current resource').
+     $result.='&nbsp;<b>'.&mt('Specify a file containing the class scores for current resource.').
- 	'.</b></td></tr>'."\n";
+ 	'</b></td></tr>'."\n";
      $result.='<tr bgcolor=#ffffe6><td>'."\n";
      my $upload=&mt("Upload Scores");
      my $upfile_select=&Apache::loncommon::upfile_select_html();
      my $ignore=&mt('Ignore First Line');
+     $symb = &Apache::lonenc::check_encrypt($symb);
      $result.=<<ENDUPFORM;
  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
  <input type="hidden" name="symb" value="$symb" />
- Line 3493  sub csvuploadmap {
+ Line 3965  sub csvuploadmap {
      &csvuploadmap_header($request,$symb,$datatoken,$#records+1);
      my ($i,$keyfields);
      if (@records) {
- 	my @fields=&csvupload_fields($symb);
+         my $fieldserror;
+ 	my @fields=&csvupload_fields($symb,\$fieldserror);
+         if ($fieldserror) {
+             $request->print(&navmap_errormsg());
+             return;
+         }
  	if ($env{'form.upfile_associate'} eq 'reverse') {
  	    &Apache::loncommon::csv_print_samples($request,\@records);
  	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
- Line 3527  sub csvuploadoptions {
+ Line 4003  sub csvuploadoptions {
      my $ignore=&mt('Ignore First Line');
      $request->print(<<ENDPICK);
  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
- <h3><font color="#339933">Uploading Class Grade Options</font></h3>
+ <h3><span class="LC_info">Uploading Class Grade Options</span></h3>
  <input type="hidden" name="command"    value="csvuploadassign" />
  <!--
  <p>
- Line 3641  sub csvuploadassign {
+ Line 4117  sub csvuploadassign {
                  if ($wgt) {
                      $entries{$fields{$dest}}=~s/\s//g;
                      my $pcr=$entries{$fields{$dest}} / $wgt;
-                     my $award='correct_by_override';
+                     my $award=($pcr == 0) ? 'incorrect_by_override'
+                                           : 'correct_by_override';
                      $grades{"resource.$part.awarded"}=$pcr;
                      $grades{"resource.$part.solved"}=$award;
                      $points{$part}=1;
- Line 3661  sub csvuploadassign {
+ Line 4138  sub csvuploadassign {
  		$grades{$store_key}=$entries{$fields{$dest}};
  	    }
  	}
- 	if (! %grades) { push(@skipped,"$username:$domain no data to store"); }
+ 	if (! %grades) {
- 	$grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
+            push(@skipped,&mt("[_1]: no data to save","$username:$domain"));
- #	&Apache::lonnet::logthis(" storing ".(join('-',%grades)));
+         } else {
- 	my $result=&Apache::lonnet::cstore(\%grades,$symb,
+ 	   $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
+ 	   my $result=&Apache::lonnet::cstore(\%grades,$symb,
  					   $env{'request.course.id'},
  					   $domain,$username);
- 	if ($result eq 'ok') {
+ 	   if ($result eq 'ok') {
- 	    $request->print('.');
+ 	      $request->print('.');
- 	} else {
+ 	   } else {
- 	    $request->print("<p>
+ 	      $request->print("<p><span class=\"LC_error\">".
-                               <font color='red'>
+                               &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]",
-                                  Failed to store student $username\@$domain.
+                                   "$username:$domain",$result)."</span></p>");
-                                  Message when trying to store was ($result)
+ 	   }
-                               </font>
+ 	   $request->rflush();
-                              </p>" );
+ 	   $countdone++;
- 	}
+         }
- 	$request->rflush();
- 	$countdone++;
      }
-     $request->print("<br />Stored $countdone students\n");
+     $request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt("Saved scores for [quant,_1,student]",$countdone),$countdone==0));
      if (@skipped) {
- 	$request->print('<p><font size="+1"><b>Skipped Students</b></font></p>');
+ 	$request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt('No scores stored for the following username(s):'),1).'<br />');
- 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
+         $request->print(join(', ',@skipped));
      }
      if (@notallowed) {
- 	$request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
+ 	$request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt('Modification of scores not allowed for the following username(s):'),1).'<br />');
- 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
+ 	$request->print(join(', ',@notallowed));
      }
      $request->print("<br />\n");
      $request->print(&show_grading_menu_form($symb));
- Line 3703  sub csvuploadassign {
+ Line 4179  sub csvuploadassign {
  sub pickStudentPage {
      my ($request) = shift;
+     my $alertmsg = &mt('Please select the student you wish to grade.');
      $request->print(<<LISTJAVASCRIPT);
  <script type="text/javascript" language="javascript">
  function checkPickOne(formname) {
      if (radioSelection(formname.student) == null) {
- 	alert("Please select the student you wish to grade.");
+ 	alert("$alertmsg");
  	return;
      }
      ptr = pullDownSelection(formname.selectpage);
- Line 3725  LISTJAVASCRIPT
+ Line 4202  LISTJAVASCRIPT
      my $cnum      = $env{"course.$env{'request.course.id'}.num"};
      my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
-     my $result='<h3><font color="#339933">&nbsp;'.
+     my $result='<h3><span class="LC_info">&nbsp;'.
- 	'Manual Grading by Page or Sequence</font></h3>';
+ 	&mt('Manual Grading by Page or Sequence').'</span></h3>';
      $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
-     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
+     my $map_error;
-     my ($titles,$symbx) = &getSymbMap($request);
+     my ($titles,$symbx) = &getSymbMap($map_error);
+     if ($map_error) {
+         $request->print(&navmap_errormsg());
+         return;
+     }
      my ($curpage) =&Apache::lonnet::decode_symb($symb);
  #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb);
  #    my $type=($curpage =~ /\.(page|sequence)/);
+     my $select = '<select name="selectpage">'."\n";
      my $ctr=0;
      foreach (@$titles) {
  	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
- 	$result.='<option value="'.$ctr.'" '.
+ 	$select.='<option value="'.$ctr.'" '.
- 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
+ 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
  	    '>'.$showtitle.'</option>'."\n";
  	$ctr++;
      }
-     $result.= '</select>'."<br />\n";
+     $select.= '</select>';
+     $result.='&nbsp;<b>'.&mt('Problems from').':</b> '.$select."<br />\n";
      $ctr=0;
      foreach (@$titles) {
  	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
- Line 3753  LISTJAVASCRIPT
+ Line 4237  LISTJAVASCRIPT
      $result.='<input type="hidden" name="page" />'."\n".
  	'<input type="hidden" name="title" />'."\n";
-     $result.='&nbsp;<b>View Problems Text: </b><label><input type="radio" name="vProb" value="no" checked="on" /> no </label>'."\n".
+     my $options =
- 	'<label><input type="radio" name="vProb" value="yes" /> yes </label>'."<br />\n";
+ 	'<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n".
+ 	'<label><input type="radio" name="vProb" value="yes" /> '.&mt('yes').' </label>'."<br />\n";
-     $result.='&nbsp;<b>Submission Details: </b>'.
+     $result.='&nbsp;<b>'.&mt('View Problem Text').': </b>'.$options;
- 	'<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".
+     $options =
- 	'<label><input type="radio" name="lastSub" value="all" /> all details</label>'."\n";
+ 	'<label><input type="radio" name="lastSub" value="none" /> '.&mt('none').' </label>'."\n".
+ 	'<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> '.&mt('by dates and submissions').'</label>'."\n".
-     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
+ 	'<label><input type="radio" name="lastSub" value="all" /> '.&mt('all details').' </label>'."\n";
- 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
+     $result.='&nbsp;<b>'.&mt('Submissions').': </b>'.$options;
+     $result.=&build_section_inputs();
+     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
+     $result.='<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
  	'<input type="hidden" name="command" value="displayPage" />'."\n".
- 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
+     $result.='&nbsp;<b>'.&mt('Use CODE').': </b> <input type="text" name="CODE" value="" /> <br />'."\n";
      $result.='&nbsp;<input type="button" '.
- 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
+ 	'onClick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' &rarr;" /><br />'."\n";
      $request->print($result);
-     my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br />'.
+     my $studentTable.='&nbsp;<b>'.&mt('Select a student you wish to grade and then click on the Next button.').'</b><br />'.
- 	'<table border="0"><tr><td bgcolor="#777777">'.
+ 	&Apache::loncommon::start_data_table().
- 	'<table border="0"><tr bgcolor="#e6ffff">'.
+ 	&Apache::loncommon::start_data_table_header_row().
- 	'<td align="right">&nbsp;<b>No.</b></td>'.
+ 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
- 	'<td>'.&nameUserString('header').'</td>'.
+ 	'<th>'.&nameUserString('header').'</th>'.
- 	'<td align="right">&nbsp;<b>No.</b></td>'.
+ 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
- 	'<td>'.&nameUserString('header').'</td></tr>';
+ 	'<th>'.&nameUserString('header').'</th>'.
+ 	&Apache::loncommon::end_data_table_header_row();
      my (undef,undef,$fullname) = &getclasslist($getsec,'1');
      my $ptr = 1;
- Line 3790  LISTJAVASCRIPT
+ Line 4281  LISTJAVASCRIPT
  			     return $a cmp $b;
  			 } (keys(%$fullname))) {
  	my ($uname,$udom) = split(/:/,$student);
- 	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
+ 	$studentTable.=($ptr%2==1 ? &Apache::loncommon::start_data_table_row()
+                                   : '</td>');
  	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
  	$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>' : '');
+ 	$studentTable.=
+ 	    ($ptr%2 == 0 ? '</td>'.&Apache::loncommon::end_data_table_row()
+                          : '');
  	$ptr++;
      }
-     $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%2 == 0);
+     if ($ptr%2 == 0) {
-     $studentTable.='</td></tr></table></td></tr></table>'."\n";
+ 	$studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td>'.
+ 	    &Apache::loncommon::end_data_table_row();
+     }
+     $studentTable.=&Apache::loncommon::end_data_table()."\n";
      $studentTable.='<input type="button" '.
- 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
+ 	'onClick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' &rarr;" /></form>'."\n";
      $studentTable.=&show_grading_menu_form($symb);
      $request->print($studentTable);
- Line 3809  LISTJAVASCRIPT
+ Line 4306  LISTJAVASCRIPT
  }
  sub getSymbMap {
-     my ($request) = @_;
+     my ($map_error) = @_;
      my $navmap = Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         if (ref($map_error)) {
+             $$map_error = 'navmap';
+         }
+         return;
+     }
      my %symbx = ();
      my @titles = ();
      my $minder = 0;
- Line 3821  sub getSymbMap {
+ Line 4323  sub getSymbMap {
 ,0,1);
      for my $sequence ($navmap->getById('0.0'), @sequences) {
  	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
- 	    my $title = $minder.'.'.$sequence->compTitle();
+ 	    my $title = $minder.'.'.
- 	    push @titles, $title; # minder in case two titles are identical
+ 		&HTML::Entities::encode($sequence->compTitle(),'"\'&');
- 	    $symbx{$title} = $sequence->symb();
+ 	    push(@titles, $title); # minder in case two titles are identical
+ 	    $symbx{$title} = &HTML::Entities::encode($sequence->symb(),'"\'&');
  	    $minder++;
  	}
      }
- Line 3852  sub displayPage {
+ Line 4355  sub displayPage {
      &Apache::lonnet::clear_EXT_cache_status();
      if (!&canview($usec)) {
- 	$request->print('<font color="red">Unable to view requested student.('.$env{'form.student'}.')</font>');
+ 	$request->print('<span class="LC_warning">'.&mt('Unable to view requested student. ([_1])',$env{'form.student'}).'</span>');
  	$request->print(&show_grading_menu_form($symb));
  	return;
      }
-     my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
+     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
-     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom).
+     $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).
  	'</h3>'."\n";
+     $env{'form.CODE'} = uc($env{'form.CODE'});
+     if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) {
+ 	$result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";
+     } else {
+ 	delete($env{'form.CODE'});
+     }
      &sub_page_js($request);
      $request->print($result);
      my $navmap = Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         $request->print(&navmap_errormsg());
+         $request->print(&show_grading_menu_form($symb));
+         return;
+     }
      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('<span class="LC_warning">'.&mt('Unable to view requested sequence. ([_1])',$resUrl).'</span>');
  	$request->print(&show_grading_menu_form($symb));
  	return;
      }
- Line 3879  sub displayPage {
+ Line 4393  sub displayPage {
  	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
  	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
  	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
- 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="overRideScore" value="no" />'."\n".
  	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n";
-     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
+     if (defined($env{'form.CODE'})) {
- 	'/check.gif" height="16" border="0" />';
+ 	$studentTable.=
+ 	    '<input type="hidden" name="CODE" value="'.$env{'form.CODE'}.'" />'."\n";
-     $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
+     }
- 	' symbol.'."\n".
+     my $checkIcon = '<img alt="'.&mt('Check Mark').
- 	'<table border="0"><tr><td bgcolor="#777777">'.
+ 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
- 	'<table border="0"><tr bgcolor="#e6ffff">'.
- 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
+     $studentTable.='&nbsp;'.&mt('<b>Note:</b> Problems graded correct by the computer are marked with a [_1] symbol.',$checkIcon)."\n".
- 	'<td><b>&nbsp;'.($env{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
+ 	&Apache::loncommon::start_data_table().
+ 	&Apache::loncommon::start_data_table_header_row().
+ 	'<th align="center">&nbsp;Prob.&nbsp;</th>'.
+ 	'<th>&nbsp;'.($env{'form.vProb'} eq 'no' ? &mt('Title') : &mt('Problem Text')).'/'.&mt('Grade').'</th>'.
+ 	&Apache::loncommon::end_data_table_header_row();
      &Apache::lonxml::clear_problem_counter();
      my ($depth,$question,$prob) = (1,1,1);
- Line 3901  sub displayPage {
+ Line 4419  sub displayPage {
          if($curRes == $iterator->BEGIN_MAP) { $depth++; }
          if($curRes == $iterator->END_MAP) { $depth--; }
-         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
+         if (ref($curRes) && $curRes->is_problem()) {
  	    my $parts = $curRes->parts();
              my $title = $curRes->compTitle();
  	    my $symbx = $curRes->symb();
- 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
+ 	    $studentTable.=
- 		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
+ 		&Apache::loncommon::start_data_table_row().
+ 		'<td align="center" valign="top" >'.$prob.
+ 		(scalar(@{$parts}) == 1 ? ''
+ 		                        : '<br />('.&mt('[_1]&nbsp;parts)',
+ 							scalar(@{$parts}))
+ 		 ).
+ 		 '</td>';
  	    $studentTable.='<td valign="top">';
+ 	    my %form = ('CODE' => $env{'form.CODE'},);
  	    if ($env{'form.vProb'} eq 'yes' ) {
  		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
- 					     undef,'both');
+ 					     undef,'both',\%form);
  	    } else {
- 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'});
+ 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'},%form);
  		$companswer =~ s|<form(.*?)>||g;
  		$companswer =~ s|</form>||g;
  #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
- Line 3920  sub displayPage {
+ Line 4445  sub displayPage {
  #		    $request->print('match='.$1."<br />\n");
  #		}
  #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
- 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;<b>Correct answer:</b><br />'.$companswer;
+ 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;<b>'.&mt('Correct answer').':</b><br />'.$companswer;
  	    }
  	    my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname);
  	    if ($env{'form.lastSub'} eq 'datesub') {
  		if ($record{'version'} eq '') {
- 		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
+ 		    $studentTable.='<br />&nbsp;<span class="LC_warning">'.&mt('No recorded submission for this problem.').'</span><br />';
  		} else {
  		    my %responseType = ();
  		    foreach my $partid (@{$parts}) {
- Line 3963  sub displayPage {
+ Line 4488  sub displayPage {
          $curRes = $iterator->next();
      }
-     $studentTable.='</td></tr></table></td></tr></table>'."\n".
+     $studentTable.='</table>'."\n".
- 	'<input type="button" value="Save" '.
+ 	'<input type="button" value="'.&mt('Save').'" '.
- 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
+ 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" />'.
  	'</form>'."\n";
      $studentTable.=&show_grading_menu_form($symb);
      $request->print($studentTable);
- Line 3978  sub displaySubByDates {
+ Line 4503  sub displaySubByDates {
      my $isCODE=0;
      my $isTask = ($symb =~/\.task$/);
      if (exists($record->{'resource.CODE'})) { $isCODE=1; }
-     my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
+     my $studentTable=&Apache::loncommon::start_data_table().
- 	'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
+ 	&Apache::loncommon::start_data_table_header_row().
- 	'<td><b>Date/Time</b></td>'.
+ 	'<th>'.&mt('Date/Time').'</th>'.
- 	($isCODE?'<td><b>CODE</b></td>':'').
+ 	($isCODE?'<th>'.&mt('CODE').'</th>':'').
- 	'<td><b>Submission</b></td>'.
+ 	'<th>'.&mt('Submission').'</th>'.
- 	'<td><b>Status&nbsp;</b></td></tr>';
+ 	'<th>'.&mt('Status').'</th>'.
+ 	&Apache::loncommon::end_data_table_header_row();
      my ($version);
      my %mark;
      my %orders;
      $mark{'correct_by_student'} = $checkIcon;
      if (!exists($$record{'1:timestamp'})) {
- 	return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />';
+ 	return '<br />&nbsp;<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span><br />';
      }
      my $interaction;
+     my $no_increment = 1;
      for ($version=1;$version<=$$record{'version'};$version++) {
- 	my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
+ 	my $timestamp =
+ 	    &Apache::lonlocal::locallocaltime($$record{$version.':timestamp'});
  	if (exists($$record{$version.':resource.0.version'})) {
  	    $interaction = $$record{$version.':resource.0.version'};
  	}
  	my $where = ($isTask ? "$version:resource.$interaction"
  		             : "$version:resource");
- 	#&Apache::lonnet::logthis(" got $where");
+ 	$studentTable.=&Apache::loncommon::start_data_table_row().
- 	$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
+ 	    '<td>'.$timestamp.'</td>';
  	if ($isCODE) {
  	    $studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
  	}
- Line 4021  sub displaySubByDates {
+ Line 4549  sub displaySubByDates {
  		    my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/)
  				               : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/));
- 		    #&Apache::lonnet::logthis("match $matchKey $responseId (".$$record{$version.':'.$matchKey});
+                     $displaySub[0].='<span class="LC_nobreak"';
- 		    $displaySub[0].='<b>Part:</b>&nbsp;'.$display_part.'&nbsp;';
+                     $displaySub[0].='<b>'.&mt('Part: [_1]',$display_part).'</b>'
- 		    $displaySub[0].='<font color="#999999">(ID&nbsp;'.
+                                    .' <span class="LC_internal_info">'
- 			$responseId.')</font>&nbsp;<b>';
+                                    .'('.&mt('Part ID: [_1]',$responseId).')'
+                                    .'</span>'
+                                    .' <b>';
  		    if ($$record{"$where.$partid.tries"} eq '') {
- 			$displaySub[0].='Trial&nbsp;not&nbsp;counted';
+ 			$displaySub[0].=&mt('Trial not counted');
  		    } else {
- 			$displaySub[0].='Trial&nbsp;'.
+ 			$displaySub[0].=&mt('Trial: [_1]',
- 			    $$record{"$where.$partid.tries"};
+ 					    $$record{"$where.$partid.tries"});
  		    }
  		    my $responseType=($isTask ? 'Task'
                                                : $responseType->{$partid}->{$responseId});
  		    if (!exists($orders{$partid})) { $orders{$partid}={}; }
  		    if (!exists($orders{$partid}->{$responseId})) {
  			$orders{$partid}->{$responseId}=
- 			    &get_order($partid,$responseId,$symb,$uname,$udom);
+ 			    &get_order($partid,$responseId,$symb,$uname,$udom,
+                                        $no_increment);
  		    }
- 		    $displaySub[0].='</b>&nbsp; '.
+ 		    $displaySub[0].='</b></span>'; # /nobreak
+ 		    $displaySub[0].='&nbsp; '.
  			&cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom).'<br />';
  		}
  	    }
  	    if (exists($$record{"$where.$partid.checkedin"})) {
- 		$displaySub[1].='Checked in by '.
+ 		$displaySub[1].=&mt('Checked in by [_1] into slot [_2]',
- 		    $$record{"$where.$partid.checkedin"}.' into slot '.
+ 				    $$record{"$where.$partid.checkedin"},
- 		    $$record{"$where.$partid.checkedin.slot"}.
+ 				    $$record{"$where.$partid.checkedin.slot"}).
- 		    '<br />';
+ 					'<br />';
  	    }
  	    if (exists $$record{"$where.$partid.award"}) {
- 		$displaySub[1].='<b>Part:</b>&nbsp;'.$display_part.' &nbsp;'.
+ 		$displaySub[1].='<b>'.&mt('Part:').'</b>&nbsp;'.$display_part.' &nbsp;'.
  		    lc($$record{"$where.$partid.award"}).' '.
  		    $mark{$$record{"$where.$partid.solved"}}.
  		    '<br />';
- Line 4069  sub displaySubByDates {
+ Line 4601  sub displaySubByDates {
  	}
  	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
  	if ($displaySub[2]) {
- 	    $studentTable.='Manually graded by '.$displaySub[2];
+ 	    $studentTable.=&mt('Manually graded by [_1]',$displaySub[2]);
  	}
- 	$studentTable.='&nbsp;</td></tr>';
+ 	$studentTable.='&nbsp;</td>'.
+ 	    &Apache::loncommon::end_data_table_row();
      }
-     $studentTable.='</table></td></tr></table>';
+     $studentTable.=&Apache::loncommon::end_data_table();
      return $studentTable;
  }
- Line 4089  sub updateGradeByPage {
+ Line 4621  sub updateGradeByPage {
      my ($uname,$udom) = split(/:/,$env{'form.student'});
      my $usec=$classlist->{$env{'form.student'}}[5];
      if (!&canmodify($usec)) {
- 	$request->print('<font color="red">Unable to modify requested student.('.$env{'form.student'}.'</font>');
+ 	$request->print('<span class="LC_warning">'.&mt('Unable to modify requested student ([_1])',$env{'form.student'}).'</span>');
  	$request->print(&show_grading_menu_form($env{'form.symb'}));
  	return;
      }
-     my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
+     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
-     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
+     $result.='<h3>&nbsp;'.&mt('Student: ').&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
  	'</h3>'."\n";
      $request->print($result);
      my $navmap = Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         $request->print(&navmap_errormsg());
+         return;
+     }
      my ($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>');
+ 	$request->print('<span class="LC_warning">'.&mt('Unable to grade requested sequence ([_1]).',$resUrl).'</span>');
  	my ($symb)=&get_symb($request);
  	$request->print(&show_grading_menu_form($symb));
  	return;
- Line 4111  sub updateGradeByPage {
+ Line 4648  sub updateGradeByPage {
      my $iterator = $navmap->getIterator($map->map_start(),
  					$map->map_finish());
-     my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
+     my $studentTable=
- 	'<table border="0"><tr bgcolor="#e6ffff">'.
+ 	&Apache::loncommon::start_data_table().
- 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
+ 	&Apache::loncommon::start_data_table_header_row().
- 	'<td><b>&nbsp;Title&nbsp;</b></td>'.
+ 	'<th align="center">&nbsp;'.&mt('Prob.').'&nbsp;</th>'.
- 	'<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
+ 	'<th>&nbsp;'.&mt('Title').'&nbsp;</th>'.
- 	'<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
+ 	'<th>&nbsp;'.&mt('Previous Score').'&nbsp;</th>'.
+ 	'<th>&nbsp;'.&mt('New Score').'&nbsp;</th>'.
+ 	&Apache::loncommon::end_data_table_header_row();
      $iterator->next(); # skip the first BEGIN_MAP
      my $curRes = $iterator->next(); # for "current resource"
- Line 4125  sub updateGradeByPage {
+ Line 4664  sub updateGradeByPage {
          if($curRes == $iterator->BEGIN_MAP) { $depth++; }
          if($curRes == $iterator->END_MAP) { $depth--; }
-         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
+         if (ref($curRes) && $curRes->is_problem()) {
  	    my $parts = $curRes->parts();
              my $title = $curRes->compTitle();
  	    my $symbx = $curRes->symb();
- 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
+ 	    $studentTable.=
- 		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
+ 		&Apache::loncommon::start_data_table_row().
+ 		'<td align="center" valign="top" >'.$prob.
+ 		(scalar(@{$parts}) == 1 ? ''
+                                         : '<br />('.&mt('[quant,_1,&nbsp;part]',scalar(@{$parts}))
+ 		.')').'</td>';
  	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
  	    my %newrecord=();
- Line 4174  sub updateGradeByPage {
+ Line 4717  sub updateGradeByPage {
  		}
  		my $display_part=&get_display_part($partid,$curRes->symb());
  		my $oldstatus = $env{'form.solved'.$question.'_'.$partid};
- 		$displayPts[0].='&nbsp;<b>Part:</b> '.$display_part.' = '.
+ 		$displayPts[0].='&nbsp;<b>'.&mt('Part').':</b> '.$display_part.' = '.
  		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
  		    '&nbsp;<br />';
- 		$displayPts[1].='&nbsp;<b>Part:</b> '.$display_part.' = '.
+ 		$displayPts[1].='&nbsp;<b>'.&mt('Part').':</b> '.$display_part.' = '.
  		     (($score eq 'excused') ? 'excused' : $newpts).
  		    '&nbsp;<br />';
  		$question++;
- 		next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
+ 		next if ($dropMenu eq 'reset status' || ($newpts eq $oldpts && $score ne 'excused'));
  		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
  		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
- Line 4192  sub updateGradeByPage {
+ Line 4734  sub updateGradeByPage {
  		$changeflag++;
  	    }
  	    if (scalar(keys(%newrecord)) > 0) {
+ 		my %record =
+ 		    &Apache::lonnet::restore($symbx,$env{'request.course.id'},
+ 					     $udom,$uname);
+ 		if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
+ 		    $newrecord{'resource.CODE'} = $env{'form.CODE'};
+ 		} elsif (&Apache::lonnet::validCODE($record{'resource.CODE'})) {
+ 		    $newrecord{'resource.CODE'} = '';
+ 		}
  		&Apache::lonnet::cstore(\%newrecord,$symbx,$env{'request.course.id'},
  					$udom,$uname);
+ 		%record = &Apache::lonnet::restore($symbx,
+ 						   $env{'request.course.id'},
+ 						   $udom,$uname);
+ 		&check_and_remove_from_queue($parts,\%record,undef,$symbx,
+ 					     $cdom,$cnum,$udom,$uname);
  	    }
              if ($aggregateflag) {
                  &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
                        $env{'course.'.$env{'request.course.id'}.'.domain'},
- Line 4203  sub updateGradeByPage {
+ Line 4760  sub updateGradeByPage {
  	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
  		'<td valign="top">'.$displayPts[1].'</td>'.
- 		'</tr>';
+ 		&Apache::loncommon::end_data_table_row();
  	    $prob++;
  	}
          $curRes = $iterator->next();
      }
-     $studentTable.='</td></tr></table></td></tr></table>';
+     $studentTable.=&Apache::loncommon::end_data_table();
      $studentTable.=&show_grading_menu_form($env{'form.symb'});
-     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
+     my $grademsg=($changeflag == 0 ? &mt('No score was changed or updated.') :
- 		  'The scores were changed for '.
+ 		  &mt('The scores were changed for [quant,_1,problem].',
- 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
+ 		  $changeflag));
      $request->print($grademsg.$studentTable);
      return '';
- Line 4224  sub updateGradeByPage {
+ Line 4781  sub updateGradeByPage {
  #
  #-------------------------------------------------------------------
- #--------------------Scantron Grading-----------------------------------
+ #-------------------- Bubblesheet (Scantron) Grading -------------------
  #
  #------ start of section for handling grading by page/sequence ---------
+ =pod
+ =head1 Bubble sheet grading routines
+   For this documentation:
+    'scanline' refers to the full line of characters
+    from the file that we are parsing that represents one entire sheet
+    'bubble line' refers to the data
+    representing the line of bubbles that are on the physical bubble sheet
+ The overall process is that a scanned in bubble sheet data is uploaded
+ into a course. When a user wants to grade, they select a
+ sequence/folder of resources, a file of bubble sheet info, and pick
+ one of the predefined configurations for what each scanline looks
+ like.
+ Next each scanline is checked for any errors of either 'missing
+ bubbles' (it's an error because it may have been mis-scanned
+ because too light bubbling), 'double bubble' (each bubble line should
+ have no more that one letter picked), invalid or duplicated CODE,
+ invalid student/employee ID
+ If the CODE option is used that determines the randomization of the
+ homework problems, either way the student/employee ID is looked up into a
+ username:domain.
+ During the validation phase the instructor can choose to skip scanlines.
+ After the validation phase, there are now 3 bubble sheet files
+   scantron_original_filename (unmodified original file)
+   scantron_corrected_filename (file where the corrected information has replaced the original information)
+   scantron_skipped_filename (contains the exact text of scanlines that where skipped)
+ Also there is a separate hash nohist_scantrondata that contains extra
+ correction information that isn't representable in the bubble sheet
+ file (see &scantron_getfile() for more information)
+ After all scanlines are either valid, marked as valid or skipped, then
+ foreach line foreach problem in the picked sequence, an ssi request is
+ made that simulates a user submitting their selected letter(s) against
+ the homework problem.
+ =over 4
+ =item defaultFormData
+   Returns html hidden inputs used to hold context/default values.
+  Arguments:
+   $symb - $symb of the current resource
+ =cut
  sub defaultFormData {
      my ($symb)=@_;
-     return '
+     return '<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
-       <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
       '<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
       '<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
  }
+ =pod
+ =item getSequenceDropDown
+    Return html dropdown of possible sequences to grade
+  Arguments:
+    $symb - $symb of the current resource
+    $map_error - ref to scalar which will container error if
+                 $navmap object is unavailable in &getSymbMap().
+ =cut
  sub getSequenceDropDown {
-     my ($request,$symb)=@_;
+     my ($symb,$map_error)=@_;
      my $result='<select name="selectpage">'."\n";
-     my ($titles,$symbx) = &getSymbMap($request);
+     my ($titles,$symbx) = &getSymbMap($map_error);
+     if (ref($map_error)) {
+         return if ($$map_error);
+     }
      my ($curpage)=&Apache::lonnet::decode_symb($symb);
      my $ctr=0;
      foreach (@$titles) {
  	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
  	$result.='<option value="'.$$symbx{$_}.'" '.
- 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
+ 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
  	    '>'.$showtitle.'</option>'."\n";
  	$ctr++;
      }
- Line 4253  sub getSequenceDropDown {
+ Line 4885  sub getSequenceDropDown {
      return $result;
  }
+ my %bubble_lines_per_response;     # no. bubble lines for each response.
+                                    # key is zero-based index - 0, 1, 2 ...
+ my %first_bubble_line;             # First bubble line no. for each bubble.
+ my %subdivided_bubble_lines;       # no. bubble lines for optionresponse,
+                                    # matchresponse or rankresponse, where
+                                    # an individual response can have multiple
+                                    # lines
+ my %responsetype_per_response;     # responsetype for each response
+ # Save and restore the bubble lines array to the form env.
+ sub save_bubble_lines {
+     foreach my $line (keys(%bubble_lines_per_response)) {
+ 	$env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
+ 	$env{"form.scantron.first_bubble_line.$line"} =
+ 	    $first_bubble_line{$line};
+         $env{"form.scantron.sub_bubblelines.$line"} =
+             $subdivided_bubble_lines{$line};
+         $env{"form.scantron.responsetype.$line"} =
+             $responsetype_per_response{$line};
+     }
+ }
+ sub restore_bubble_lines {
+     my $line = 0;
+     %bubble_lines_per_response = ();
+     while ($env{"form.scantron.bubblelines.$line"}) {
+ 	my $value = $env{"form.scantron.bubblelines.$line"};
+ 	$bubble_lines_per_response{$line} = $value;
+ 	$first_bubble_line{$line}  =
+ 	    $env{"form.scantron.first_bubble_line.$line"};
+         $subdivided_bubble_lines{$line} =
+             $env{"form.scantron.sub_bubblelines.$line"};
+         $responsetype_per_response{$line} =
+             $env{"form.scantron.responsetype.$line"};
+ 	$line++;
+     }
+ }
+ #  Given the parsed scanline, get the response for
+ #  'answer' number n:
+ sub get_response_bubbles {
+     my ($parsed_line, $response)  = @_;
+     my $bubble_line = $first_bubble_line{$response-1} +1;
+     my $bubble_lines= $bubble_lines_per_response{$response-1};
+     my $selected = "";
+     for (my $bline = 0; $bline < $bubble_lines; $bline++) {
+ 	$selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
+ 	$bubble_line++;
+     }
+     return $selected;
+ }
+ =pod
+ =item scantron_filenames
+    Returns a list of the scantron files in the current course
+ =cut
  sub scantron_filenames {
      my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
      my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
+     my $getpropath = 1;
      my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
- 				    &propath($cdom,$cname));
+                                        $getpropath);
      my @possiblenames;
      foreach my $filename (sort(@files)) {
  	($filename)=split(/&/,$filename);
- Line 4268  sub scantron_filenames {
+ Line 4971  sub scantron_filenames {
      return @possiblenames;
  }
+ =pod
+ =item scantron_uploads
+    Returns  html drop-down list of scantron files in current course.
+  Arguments:
+    $file2grade - filename to set as selected in the dropdown
+ =cut
  sub scantron_uploads {
      my ($file2grade) = @_;
      my $result=	'<select name="scantron_selectfile">';
      $result.="<option></option>";
      foreach my $filename (sort(&scantron_filenames())) {
- 	$result.="<option".($filename eq $file2grade ? ' selected="on"':'').">$filename</option>\n";
+ 	$result.="<option".($filename eq $file2grade ? ' selected="selected"':'').">$filename</option>\n";
      }
      $result.="</select>";
      return $result;
  }
+ =pod
+ =item scantron_scantab
+   Returns html drop down of the scantron formats in the scantronformat.tab
+   file.
+ =cut
  sub scantron_scantab {
-     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
      my $result='<select name="scantron_format">'."\n";
      $result.='<option></option>'."\n";
-     foreach my $line (<$fh>) {
+     my @lines = &get_scantronformat_file();
- 	my ($name,$descrip)=split(/:/,$line);
+     if (@lines > 0) {
- 	if ($name =~ /^\#/) { next; }
+         foreach my $line (@lines) {
- 	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+             next if (($line =~ /^\#/) || ($line eq ''));
+ 	    my ($name,$descrip)=split(/:/,$line);
+ 	    $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+         }
      }
      $result.='</select>'."\n";
      return $result;
  }
+ =pod
+ =item get_scantronformat_file
+   Returns an array containing lines from the scantron format file for
+   the domain of the course.
+   If a url for a custom.tab file is listed in domain's configuration.db,
+   lines are from this file.
+   Otherwise, if a default.tab has been published in RES space by the
+   domainconfig user, lines are from this file.
+   Otherwise, fall back to getting lines from the legacy file on the
+   local server:  /home/httpd/lonTabs/default_scantronformat.tab
+ =cut
+ sub get_scantronformat_file {
+     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my %domconfig = &Apache::lonnet::get_dom('configuration',['scantron'],$cdom);
+     my $gottab = 0;
+     my @lines;
+     if (ref($domconfig{'scantron'}) eq 'HASH') {
+         if ($domconfig{'scantron'}{'scantronformat'} ne '') {
+             my $formatfile = &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
+             if ($formatfile ne '-1') {
+                 @lines = split("\n",$formatfile,-1);
+                 $gottab = 1;
+             }
+         }
+     }
+     if (!$gottab) {
+         my $confname = $cdom.'-domainconfig';
+         my $default = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
+         my $formatfile =  &Apache::lonnet::getfile($default);
+         if ($formatfile ne '-1') {
+             @lines = split("\n",$formatfile,-1);
+             $gottab = 1;
+         }
+     }
+     if (!$gottab) {
+         my @domains = &Apache::lonnet::current_machine_domains();
+         if (grep(/^\Q$cdom\E$/,@domains)) {
+             my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+             @lines = <$fh>;
+             close($fh);
+         } else {
+             my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/default_scantronformat.tab');
+             @lines = <$fh>;
+             close($fh);
+         }
+     }
+     return @lines;
+ }
+ =pod
+ =item scantron_CODElist
+   Returns html drop down of the saved CODE lists from current course,
+   generated from earlier printings.
+ =cut
  sub scantron_CODElist {
      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
- Line 4307  sub scantron_CODElist {
+ Line 5096  sub scantron_CODElist {
      return $namechoice;
  }
+ =pod
+ =item scantron_CODEunique
+   Returns the html for "Each CODE to be used once" radio.
+ =cut
  sub scantron_CODEunique {
-     my $result='<nobr>
+     my $result='<span class="LC_nobreak">
                   <label><input type="radio" name="scantron_CODEunique"
-                         value="yes" checked="checked" /> Yes </label>
+                         value="yes" checked="checked" />'.&mt('Yes').' </label>
-                 </nobr>
+                 </span>
-                 <nobr>
+                 <span class="LC_nobreak">
                   <label><input type="radio" name="scantron_CODEunique"
-                         value="no" /> No </label>
+                         value="no" />'.&mt('No').' </label>
-                 </nobr>';
+                 </span>';
      return $result;
  }
+ =pod
+ =item scantron_selectphase
+   Generates the initial screen to start the bubble sheet process.
+   Allows for - starting a grading run.
+              - downloading existing scan data (original, corrected
+                                                 or skipped info)
+              - uploading new scan data
+  Arguments:
+   $r          - The Apache request object
+   $file2grade - name of the file that contain the scanned data to score
+ =cut
  sub scantron_selectphase {
      my ($r,$file2grade) = @_;
      my ($symb)=&get_symb($r);
      if (!$symb) {return '';}
-     my $sequence_selector=&getSequenceDropDown($r,$symb);
+     my $map_error;
+     my $sequence_selector=&getSequenceDropDown($symb,\$map_error);
+     if ($map_error) {
+         $r->print('<br />'.&navmap_errormsg().'<br />');
+         return;
+     }
      my $default_form_data=&defaultFormData($symb);
      my $grading_menu_button=&show_grading_menu_form($symb);
      my $file_selector=&scantron_uploads($file2grade);
- Line 4331  sub scantron_selectphase {
+ Line 5150  sub scantron_selectphase {
      my $CODE_selector=&scantron_CODElist();
      my $CODE_unique=&scantron_CODEunique();
      my $result;
-     #FIXME allow instructor to be able to download the scantron file
-     # and to upload it,
+     $ssi_error = 0;
-     $result.= <<SCANTRONFORM;
-     <table width="100%" border="0">
+     # Chunk of form to prompt for a file to grade and how:
-     <tr>
-      <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
+     $result.= '
-       <td bgcolor="#777777">
+     <br />
-        <input type="hidden" name="command" value="scantron_warning" />
+     <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
-         $default_form_data
+     <input type="hidden" name="command" value="scantron_warning" />
-         <table width="100%" border="0">
+     '.$default_form_data.'
-           <tr bgcolor="#e6ffff">
+     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
-             <td colspan="2">
+        '.&Apache::loncommon::start_data_table_header_row().'
-               &nbsp;<b>Specify file and which Folder/Sequence to grade</b>
+             <th colspan="2">
-             </td>
+               &nbsp;'.&mt('Specify file and which Folder/Sequence to grade').'
-           </tr>
+             </th>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_header_row().'
-             <td> Sequence to grade: </td><td> $sequence_selector </td>
+        '.&Apache::loncommon::start_data_table_row().'
-           </tr>
+             <td> '.&mt('Sequence to grade:').' </td><td> '.$sequence_selector.' </td>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_row().'
-             <td> Filename of scoring office file: </td><td> $file_selector </td>
+        '.&Apache::loncommon::start_data_table_row().'
-           </tr>
+             <td> '.&mt('Filename of bubblesheet data file:').' </td><td> '.$file_selector.' </td>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_row().'
-             <td> Format of data file: </td><td> $format_selector </td>
+        '.&Apache::loncommon::start_data_table_row().'
-           </tr>
+             <td> '.&mt('Format of bubblesheet data file:').' </td><td> '.$format_selector.' </td>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_row().'
-             <td> Saved CODEs to validate against: </td><td> $CODE_selector</td>
+        '.&Apache::loncommon::start_data_table_row().'
-           </tr>
+             <td> '.&mt('Saved CODEs to validate against:').' </td><td> '.$CODE_selector.' </td>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_row().'
-             <td> Each CODE is only to be used once:</td><td> $CODE_unique </td>
+        '.&Apache::loncommon::start_data_table_row().'
-           </tr>
+             <td> '.&mt('Each CODE is only to be used once:').'</td><td> '.$CODE_unique.' </td>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_row().'
- 	    <td> Options: </td>
+        '.&Apache::loncommon::start_data_table_row().'
+ 	    <td> '.&mt('Options:').' </td>
              <td>
- 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> Do only previously skipped records</label> <br />
+ 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> '.&mt('Do only previously skipped records').'</label> <br />
-                <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all exisiting corrections</label> <br />
+                <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> '.&mt('Remove all existing corrections').'</label> <br />
-                <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> Skip hidden resources when grading</label>
+                <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources when grading').'</label>
  	    </td>
-           </tr>
+        '.&Apache::loncommon::end_data_table_row().'
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::start_data_table_row().'
              <td colspan="2">
-               <input type="submit" value="Grading: Validate Scantron Records" />
+               <input type="submit" value="'.&mt('Grading: Validate Bubblesheet Records').'" />
              </td>
-           </tr>
+        '.&Apache::loncommon::end_data_table_row().'
-         </table>
+     '.&Apache::loncommon::end_data_table().'
-        </td>
+     </form>
-      </form>
+ ';
-     </tr>
- SCANTRONFORM
      $r->print($result);
      if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) ||
          &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
-         $r->print(<<SCANTRONFORM);
+ 	# Chunk of form to prompt for a scantron file upload.
-     <tr>
-       <td bgcolor="#777777">
+         $r->print('
-         <table width="100%" border="0">
+     <br />
-           <tr bgcolor="#e6ffff">
+     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
-             <td>
+        '.&Apache::loncommon::start_data_table_header_row().'
-               &nbsp;<b>Specify a Scantron data file to upload.</b>
+             <th>
-             </td>
+               &nbsp;'.&mt('Specify a bubblesheet data file to upload.').'
-           </tr>
+             </th>
-           <tr bgcolor="#ffffe6">
+        '.&Apache::loncommon::end_data_table_header_row().'
+        '.&Apache::loncommon::start_data_table_row().'
              <td>
- SCANTRONFORM
+ ');
      my $default_form_data=&defaultFormData(&get_symb($r,1));
      my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
      my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
-     $r->print(<<UPLOAD);
+     $r->print('
                <script type="text/javascript" language="javascript">
      function checkUpload(formname) {
  	if (formname.upfile.value == "") {
- 	    alert("Please use the browse button to select a file from your local directory.");
+ 	    alert("'.&mt('Please use the browse button to select a file from your local directory.').'");
  	    return false;
  	}
  	formname.submit();
      }
                </script>
-               <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
+               <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
-                 $default_form_data
+                 '.$default_form_data.'
-                 <input name='courseid' type='hidden' value='$cnum' />
+                 <input name="courseid" type="hidden" value="'.$cnum.'" />
-                 <input name='domainid' type='hidden' value='$cdom' />
+                 <input name="domainid" type="hidden" value="'.$cdom.'" />
-                 <input name='command' value='scantronupload_save' type='hidden' />
+                 <input name="command" value="scantronupload_save" type="hidden" />
-                 File to upload:<input type="file" name="upfile" size="50" />
+                 '.&mt('File to upload: [_1]','<input type="file" name="upfile" size="50" />').'
                  <br />
-                 <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
+                 <input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Bubblesheet Data').'" />
                </form>
- UPLOAD
+ ');
-         $r->print(<<SCANTRONFORM);
+         $r->print('
              </td>
-           </tr>
+        '.&Apache::loncommon::end_data_table_row().'
-         </table>
+        '.&Apache::loncommon::end_data_table().'
-       </td>
+ ');
-     </tr>
+     }
- SCANTRONFORM
-     }
+     # Chunk of the form that prompts to view a scoring office file,
-     $r->print(<<SCANTRONFORM);
+     # corrected file, skipped records in a file.
-     <tr>
-       <form action='/adm/grades' name='scantron_download'>
+     $r->print('
-         <td bgcolor="#777777">
+    <br />
-           <input type="hidden" name="command" value="scantron_download" />
+    <form action="/adm/grades" name="scantron_download">
-           <table width="100%" border="0">
+      '.$default_form_data.'
-             <tr bgcolor="#e6ffff">
+      <input type="hidden" name="command" value="scantron_download" />
-               <td colspan="2">
+      '.&Apache::loncommon::start_data_table('LC_scantron_action').'
-                 &nbsp;<b>Download a scoring office file</b>
+        '.&Apache::loncommon::start_data_table_header_row().'
-               </td>
+               <th>
-             </tr>
+                 &nbsp;'.&mt('Download a scoring office file').'
-             <tr bgcolor="#ffffe6">
+               </th>
-               <td> Filename of scoring office file: </td><td> $file_selector </td>
+        '.&Apache::loncommon::end_data_table_header_row().'
-             </tr>
+        '.&Apache::loncommon::start_data_table_row().'
-             <tr bgcolor="#ffffe6">
+               <td> '.&mt('Filename of scoring office file: [_1]',$file_selector).'
-               <td colspan="2">
+                 <br />
-                 <input type="submit" value="Download: Show List of Associated Files" />
+                 <input type="submit" value="'.&mt('Download: Show List of Associated Files').'" />
-               </td>
+        '.&Apache::loncommon::end_data_table_row().'
-             </tr>
+      '.&Apache::loncommon::end_data_table().'
-           </table>
+    </form>
-         </td>
+    <br />
-       </form>
+ ');
-     </tr>
- SCANTRONFORM
+     &Apache::lonpickcode::code_list($r,2);
+     $r->print('<br /><form method="post" name="checkscantron">'.
+              $default_form_data."\n".
+              &Apache::loncommon::start_data_table('LC_scantron_action')."\n".
+              &Apache::loncommon::start_data_table_header_row()."\n".
+              '<th colspan="2">
+               &nbsp;'.&mt('Review bubblesheet data and submissions for a previously graded folder/sequence')."\n".
+              '</th>'."\n".
+               &Apache::loncommon::end_data_table_header_row()."\n".
+               &Apache::loncommon::start_data_table_row()."\n".
+               '<td> '.&mt('Graded folder/sequence:').' </td>'."\n".
+               '<td> '.$sequence_selector.' </td>'.
+               &Apache::loncommon::end_data_table_row()."\n".
+               &Apache::loncommon::start_data_table_row()."\n".
+               '<td> '.&mt('Filename of scoring office file:').' </td>'."\n".
+               '<td> '.$file_selector.' </td>'."\n".
+               &Apache::loncommon::end_data_table_row()."\n".
+               &Apache::loncommon::start_data_table_row()."\n".
+               '<td> '.&mt('Format of data file:').' </td>'."\n".
+               '<td> '.$format_selector.' </td>'."\n".
+               &Apache::loncommon::end_data_table_row()."\n".
+               &Apache::loncommon::start_data_table_row()."\n".
+               '<td> '.&mt('Options').' </td>'."\n".
+               '<td> <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources').'</label></td>'.
+               &Apache::loncommon::end_data_table_row()."\n".
+               &Apache::loncommon::start_data_table_row()."\n".
+               '<td colspan="2">'."\n".
+               '<input type="hidden" name="command" value="checksubmissions" />'."\n".
+               '<input type="submit" value="'.&mt('Review Bubblesheet Data and Submission Records').'" />'."\n".
+               '</td>'."\n".
+               &Apache::loncommon::end_data_table_row()."\n".
+               &Apache::loncommon::end_data_table()."\n".
+               '</form><br />');
+     $r->print($grading_menu_button);
+     return;
+ }
-     $r->print(<<SCANTRONFORM);
+ =pod
-   </table>
- $grading_menu_button
- SCANTRONFORM
-     return
+ =item get_scantron_config
- }
+    Parse and return the scantron configuration line selected as a
+    hash of configuration file fields.
+  Arguments:
+     which - the name of the configuration to parse from the file.
+  Returns:
+             If the named configuration is not in the file, an empty
+             hash is returned.
+     a hash with the fields
+       name         - internal name for the this configuration setup
+       description  - text to display to operator that describes this config
+       CODElocation - if 0 or the string 'none'
+                           - no CODE exists for this config
+                      if -1 || the string 'letter'
+                           - a CODE exists for this config and is
+                             a string of letters
+                      Unsupported value (but planned for future support)
+                           if a positive integer
+                                - The CODE exists as the first n items from
+                                  the question section of the form
+                           if the string 'number'
+                                - The CODE exists for this config and is
+                                  a string of numbers
+       CODEstart   - (only matter if a CODE exists) column in the line where
+                      the CODE starts
+       CODElength  - length of the CODE
+       IDstart     - column where the student/employee ID starts
+       IDlength    - length of the student/employee ID info
+       Qstart      - column where the information from the bubbled
+                     'questions' start
+       Qlength     - number of columns comprising a single bubble line from
+                     the sheet. (usually either 1 or 10)
+       Qon         - either a single character representing the character used
+                     to signal a bubble was chosen in the positional setup, or
+                     the string 'letter' if the letter of the chosen bubble is
+                     in the final, or 'number' if a number representing the
+                     chosen bubble is in the file (1->A 0->J)
+       Qoff        - the character used to represent that a bubble was
+                     left blank
+       PaperID     - if the scanning process generates a unique number for each
+                     sheet scanned the column that this ID number starts in
+       PaperIDlength - number of columns that comprise the unique ID number
+                       for the sheet of paper
+       FirstName   - column that the first name starts in
+       FirstNameLength - number of columns that the first name spans
+       LastName    - column that the last name starts in
+       LastNameLength - number of columns that the last name spans
+ =cut
  sub get_scantron_config {
      my ($which) = @_;
-     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+     my @lines = &get_scantronformat_file();
      my %config;
      #FIXME probably should move to XML it has already gotten a bit much now
-     foreach my $line (<$fh>) {
+     foreach my $line (@lines) {
  	my ($name,$descrip)=split(/:/,$line);
  	if ($name ne $which ) { next; }
  	chomp($line);
- Line 4481  sub get_scantron_config {
+ Line 5385  sub get_scantron_config {
  	$config{'IDstart'}=$config[5];
  	$config{'IDlength'}=$config[6];
  	$config{'Qstart'}=$config[7];
- 	$config{'Qlength'}=$config[8];
+  	$config{'Qlength'}=$config[8];
  	$config{'Qoff'}=$config[9];
  	$config{'Qon'}=$config[10];
  	$config{'PaperID'}=$config[11];
- Line 4495  sub get_scantron_config {
+ Line 5399  sub get_scantron_config {
      return %config;
  }
+ =pod
+ =item username_to_idmap
+     creates a hash keyed by student/employee ID with values of the corresponding
+     student username:domain.
+   Arguments:
+     $classlist - reference to the class list hash. This is a hash
+                  keyed by student name:domain  whose elements are references
+                  to arrays containing various chunks of information
+                  about the student. (See loncoursedata for more info).
+   Returns
+     %idmap - the constructed hash
+ =cut
  sub username_to_idmap {
      my ($classlist)= @_;
      my %idmap;
- Line 4505  sub username_to_idmap {
+ Line 5428  sub username_to_idmap {
      return %idmap;
  }
+ =pod
+ =item scantron_fixup_scanline
+    Process a requested correction to a scanline.
+   Arguments:
+     $scantron_config   - hash from &get_scantron_config()
+     $scan_data         - hash of correction information
+                           (see &scantron_getfile())
+     $line              - existing scanline
+     $whichline         - line number of the passed in scanline
+     $field             - type of change to process
+                          (either
+                           'ID'     -> correct the student/employee ID
+                           'CODE'   -> correct the CODE
+                           'answer' -> fixup the submitted answers)
+    $args               - hash of additional info,
+                           - 'ID'
+                                'newid' -> studentID to use in replacement
+                                           of existing one
+                           - 'CODE'
+                                'CODE_ignore_dup' - set to true if duplicates
+                                                    should be ignored.
+ 	                       'CODE' - is new code or 'use_unfound'
+                                         if the existing unfound code should
+                                         be used as is
+                           - 'answer'
+                                'response' - new answer or 'none' if blank
+                                'question' - the bubble line to change
+                                'questionnum' - the question identifier,
+                                                may include subquestion.
+   Returns:
+     $line - the modified scanline
+   Side effects:
+     $scan_data - may be updated
+ =cut
  sub scantron_fixup_scanline {
      my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
      if ($field eq 'ID') {
- Line 4543  sub scantron_fixup_scanline {
+ Line 5509  sub scantron_fixup_scanline {
  	my $answer=${off}x$length;
  	if ($args->{'response'} eq 'none') {
  	    &scan_data($scan_data,
- 		       "$whichline.no_bubble.".$args->{'question'},'1');
+ 		       "$whichline.no_bubble.".$args->{'questionnum'},'1');
  	} else {
  	    if ($on eq 'letter') {
  		my @alphabet=('A'..'Z');
  		$answer=$alphabet[$args->{'response'}];
  	    } elsif ($on eq 'number') {
  		$answer=$args->{'response'}+1;
+ 		if ($answer == 10) { $answer = '0'; }
  	    } else {
  		substr($answer,$args->{'response'},1)=$on;
  	    }
  	    &scan_data($scan_data,
- 		       "$whichline.no_bubble.".$args->{'question'},undef,'1');
+ 		       "$whichline.no_bubble.".$args->{'questionnum'},undef,'1');
  	}
  	my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
  	substr($line,$where-1,$length)=$answer;
- Line 4562  sub scantron_fixup_scanline {
+ Line 5529  sub scantron_fixup_scanline {
      return $line;
  }
+ =pod
+ =item scan_data
+     Edit or look up  an item in the scan_data hash.
+   Arguments:
+     $scan_data  - The hash (see scantron_getfile)
+     $key        - shorthand of the key to edit (actual key is
+                   scantronfilename_key).
+     $data        - New value of the hash entry.
+     $delete      - If true, the entry is removed from the hash.
+   Returns:
+     The new value of the hash table field (undefined if deleted).
+ =cut
  sub scan_data {
      my ($scan_data,$key,$value,$delete)=@_;
      my $filename=$env{'form.scantron_selectfile'};
- Line 4572  sub scan_data {
+ Line 5558  sub scan_data {
      return $scan_data->{$filename.'_'.$key};
  }
+ # ----- These first few routines are general use routines.----
+ # Return the number of occurences of a pattern in a string.
+ sub occurence_count {
+     my ($string, $pattern) = @_;
+     my @matches = ($string =~ /$pattern/g);
+     return scalar(@matches);
+ }
+ # Take a string known to have digits and convert all the
+ # digits into letters in the range J,A..I.
+ sub digits_to_letters {
+     my ($input) = @_;
+     my @alphabet = ('J', 'A'..'I');
+     my @input    = split(//, $input);
+     my $output ='';
+     for (my $i = 0; $i < scalar(@input); $i++) {
+ 	if ($input[$i] =~ /\d/) {
+ 	    $output .= $alphabet[$input[$i]];
+ 	} else {
+ 	    $output .= $input[$i];
+ 	}
+     }
+     return $output;
+ }
+ =pod
+ =item scantron_parse_scanline
+   Decodes a scanline from the selected scantron file
+  Arguments:
+     line             - The text of the scantron file line to process
+     whichline        - Line number
+     scantron_config  - Hash describing the format of the scantron lines.
+     scan_data        - Hash of extra information about the scanline
+                        (see scantron_getfile for more information)
+     just_header      - True if should not process question answers but only
+                        the stuff to the left of the answers.
+  Returns:
+    Hash containing the result of parsing the scanline
+    Keys are all proceeded by the string 'scantron.'
+        CODE    - the CODE in use for this scanline
+        useCODE - 1 if the CODE is invalid but it usage has been forced
+                  by the operator
+        CODE_ignore_dup - 1 if the CODE is a duplicated use when unique
+                             CODEs were selected, but the usage has been
+                             forced by the operator
+        ID  - student/employee ID
+        PaperID - if used, the ID number printed on the sheet when the
+                  paper was scanned
+        FirstName - first name from the sheet
+        LastName  - last name from the sheet
+      if just_header was not true these key may also exist
+        missingerror - a list of bubble ranges that are considered to be answers
+                       to a single question that don't have any bubbles filled in.
+                       Of the form questionnumber:firstbubblenumber:count.
+        doubleerror  - a list of bubble ranges that are considered to be answers
+                       to a single question that have more than one bubble filled in.
+                       Of the form questionnumber::firstbubblenumber:count
+                 In the above, count is the number of bubble responses in the
+                 input line needed to represent the possible answers to the question.
+                 e.g. a radioresponse with 15 choices in an answer sheet with 10 choices
+                 per line would have count = 2.
+        maxquest     - the number of the last bubble line that was parsed
+        (<number> starts at 1)
+        <number>.answer - zero or more letters representing the selected
+                          letters from the scanline for the bubble line
+                          <number>.
+                          if blank there was either no bubble or there where
+                          multiple bubbles, (consult the keys missingerror and
+                          doubleerror if this is an error condition)
+ =cut
  sub scantron_parse_scanline {
-     my ($line,$whichline,$scantron_config,$scan_data,$justHeader)=@_;
+     my ($line,$whichline,$scantron_config,$scan_data,$just_header)=@_;
      my %record;
-     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
+     my $lastpos = $env{'form.scantron_maxbubble'}*$$scantron_config{'Qlength'};
-     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
+     my $questions=substr($line,$$scantron_config{'Qstart'}-1,$lastpos);  # Answers
+     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);     # earlier stuff
      if (!($$scantron_config{'CODElocation'} eq 0 ||
  	  $$scantron_config{'CODElocation'} eq 'none')) {
  	if ($$scantron_config{'CODElocation'} < 0 ||
- Line 4606  sub scantron_parse_scanline {
+ Line 5684  sub scantron_parse_scanline {
      $record{'scantron.LastName'}=
  	substr($data,$$scantron_config{'LastName'}-1,
  	       $$scantron_config{'LastNamelength'});
-     if ($justHeader) { return \%record; }
+     if ($just_header) { return \%record; }
      my @alphabet=('A'..'Z');
      my $questnum=0;
-     while ($questions) {
+     my $ansnum  =1;		# Multiple 'answer lines'/question.
- 	$questnum++;
- 	my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
+     chomp($questions);		# Get rid of any trailing \n.
- 	substr($questions,0,$$scantron_config{'Qlength'})='';
+     $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).
- 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
+     while (length($questions)) {
- 	if ($$scantron_config{'Qon'} eq 'letter') {
+ 	my $answers_needed = $bubble_lines_per_response{$questnum};
- 	    if ($currentquest eq '?'
+         my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)
- 		|| $currentquest eq '*') {
+                              || 1;
- 		push(@{$record{'scantron.doubleerror'}},$questnum);
+         $questnum++;
- 		$record{"scantron.$questnum.answer"}='';
+         my $quest_id = $questnum;
- 	    } elsif (!$currentquest
+         my $currentquest = substr($questions,0,$answer_length);
- 		     || $currentquest eq $$scantron_config{'Qoff'}
+         $questions       = substr($questions,$answer_length);
- 		     || $currentquest !~ /^[A-Z]$/) {
+         if (length($currentquest) < $answer_length) { next; }
- 		$record{"scantron.$questnum.answer"}='';
- 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
+         if ($subdivided_bubble_lines{$questnum-1} =~ /,/) {
- 		    push(@{$record{"scantron.missingerror"}},$questnum);
+             my $subquestnum = 1;
- 		}
+             my $subquestions = $currentquest;
- 	    } else {
+             my @subanswers_needed =
- 		$record{"scantron.$questnum.answer"}=$currentquest;
+                 split(/,/,$subdivided_bubble_lines{$questnum-1});
- 	    }
+             foreach my $subans (@subanswers_needed) {
- 	} elsif ($$scantron_config{'Qon'} eq 'number') {
+                 my $subans_length =
- 	    if ($currentquest eq '?'
+                     ($$scantron_config{'Qlength'} * $subans)  || 1;
- 		|| $currentquest eq '*') {
+                 my $currsubquest = substr($subquestions,0,$subans_length);
- 		push(@{$record{'scantron.doubleerror'}},$questnum);
+                 $subquestions   = substr($subquestions,$subans_length);
- 		$record{"scantron.$questnum.answer"}='';
+                 $quest_id = "$questnum.$subquestnum";
- 		} elsif (!$currentquest
+                 if (($$scantron_config{'Qon'} eq 'letter') ||
- 			 || $currentquest eq $$scantron_config{'Qoff'}
+                     ($$scantron_config{'Qon'} eq 'number')) {
- 			 || $currentquest !~ /^\d$/) {
+                     $ansnum = &scantron_validator_lettnum($ansnum,
- 		$record{"scantron.$questnum.answer"}='';
+                         $questnum,$quest_id,$subans,$currsubquest,$whichline,
- 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
+                         \@alphabet,\%record,$scantron_config,$scan_data);
- 		    push(@{$record{"scantron.missingerror"}},$questnum);
+                 } else {
- 		}
+                     $ansnum = &scantron_validator_positional($ansnum,
- 	    } else {
+                         $questnum,$quest_id,$subans,$currsubquest,$whichline,                        \@alphabet,\%record,$scantron_config,$scan_data);
- 		# wrap zero back to J
+                 }
- 		if ($currentquest eq '0') {
+                 $subquestnum ++;
- 		    $record{"scantron.$questnum.answer"}=
+             }
- 			$alphabet[9];
+         } else {
- 		} else {
+             if (($$scantron_config{'Qon'} eq 'letter') ||
- 		    $record{"scantron.$questnum.answer"}=
+                 ($$scantron_config{'Qon'} eq 'number')) {
- 			$alphabet[$currentquest-1];
+                 $ansnum = &scantron_validator_lettnum($ansnum,$questnum,
- 		}
+                     $quest_id,$answers_needed,$currentquest,$whichline,
- 	    }
+                     \@alphabet,\%record,$scantron_config,$scan_data);
- 	} else {
+             } else {
- 	    my @array=split($$scantron_config{'Qon'},$currentquest,-1);
+                 $ansnum = &scantron_validator_positional($ansnum,$questnum,
- 	    if (length($array[0]) eq $$scantron_config{'Qlength'}) {
+                     $quest_id,$answers_needed,$currentquest,$whichline,
- 		$record{"scantron.$questnum.answer"}='';
+                     \@alphabet,\%record,$scantron_config,$scan_data);
- 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
+             }
- 		    push(@{$record{"scantron.missingerror"}},$questnum);
+         }
- 		}
- 	    } else {
- 		$record{"scantron.$questnum.answer"}=
- 		    $alphabet[length($array[0])];
- 	    }
- 	    if (scalar(@array) gt 2) {
- 		push(@{$record{'scantron.doubleerror'}},$questnum);
- 		my @ans=@array;
- 		my $i=length($ans[0]);shift(@ans);
- 		while ($#ans) {
- 		    $i+=length($ans[0])+1;
- 		    $record{"scantron.$questnum.answer"}.=$alphabet[$i];
- 		    shift(@ans);
- 		}
- 	    }
- 	}
      }
      $record{'scantron.maxquest'}=$questnum;
      return \%record;
  }
+ sub scantron_validator_lettnum {
+     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline,
+         $alphabet,$record,$scantron_config,$scan_data) = @_;
+     # Qon 'letter' implies for each slot in currquest we have:
+     #    ? or * for doubles, a letter in A-Z for a bubble, and
+     #    about anything else (esp. a value of Qoff) for missing
+     #    bubbles.
+     #
+     # Qon 'number' implies each slot gives a digit that indexes the
+     #    bubbles filled, or Qoff, or a non-number for unbubbled lines,
+     #    and * or ? for double bubbles on a single line.
+     #
+     my $matchon;
+     if ($$scantron_config{'Qon'} eq 'letter') {
+         $matchon = '[A-Z]';
+     } elsif ($$scantron_config{'Qon'} eq 'number') {
+         $matchon = '\d';
+     }
+     my $occurrences = 0;
+     if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
+         ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
+         ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
+         ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
+         ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
+         ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
+         my @singlelines = split('',$currquest);
+         foreach my $entry (@singlelines) {
+             $occurrences = &occurence_count($entry,$matchon);
+             if ($occurrences > 1) {
+                 last;
+             }
+         }
+     } else {
+         $occurrences = &occurence_count($currquest,$matchon);
+     }
+     if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) {
+         push(@{$record->{'scantron.doubleerror'}},$quest_id);
+         for (my $ans=0; $ans<$answers_needed; $ans++) {
+             my $bubble = substr($currquest,$ans,1);
+             if ($bubble =~ /$matchon/ ) {
+                 if ($$scantron_config{'Qon'} eq 'number') {
+                     if ($bubble == 0) {
+                         $bubble = 10;
+                     }
+                     $record->{"scantron.$ansnum.answer"} =
+                         $alphabet->[$bubble-1];
+                 } else {
+                     $record->{"scantron.$ansnum.answer"} = $bubble;
+                 }
+             } else {
+                 $record->{"scantron.$ansnum.answer"}='';
+             }
+             $ansnum++;
+         }
+     } elsif (!defined($currquest)
+             || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest))
+             || (&occurence_count($currquest,$matchon) == 0)) {
+         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
+             $record->{"scantron.$ansnum.answer"}='';
+             $ansnum++;
+         }
+         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
+             push(@{$record->{'scantron.missingerror'}},$quest_id);
+         }
+     } else {
+         if ($$scantron_config{'Qon'} eq 'number') {
+             $currquest = &digits_to_letters($currquest);
+         }
+         for (my $ans=0; $ans<$answers_needed; $ans++) {
+             my $bubble = substr($currquest,$ans,1);
+             $record->{"scantron.$ansnum.answer"} = $bubble;
+             $ansnum++;
+         }
+     }
+     return $ansnum;
+ }
+ sub scantron_validator_positional {
+     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,
+         $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_;
+     # Otherwise there's a positional notation;
+     # each bubble line requires Qlength items, and there are filled in
+     # bubbles for each case where there 'Qon' characters.
+     #
+     my @array=split($$scantron_config{'Qon'},$currquest,-1);
+     # If the split only gives us one element.. the full length of the
+     # answer string, no bubbles are filled in:
+     if ($answers_needed eq '') {
+         return;
+     }
+     if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
+         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
+             $record->{"scantron.$ansnum.answer"}='';
+             $ansnum++;
+         }
+         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
+             push(@{$record->{"scantron.missingerror"}},$quest_id);
+         }
+     } elsif (scalar(@array) == 2) {
+         my $location = length($array[0]);
+         my $line_num = int($location / $$scantron_config{'Qlength'});
+         my $bubble   = $alphabet->[$location % $$scantron_config{'Qlength'}];
+         for (my $ans=0; $ans<$answers_needed; $ans++) {
+             if ($ans eq $line_num) {
+                 $record->{"scantron.$ansnum.answer"} = $bubble;
+             } else {
+                 $record->{"scantron.$ansnum.answer"} = ' ';
+             }
+             $ansnum++;
+          }
+     } else {
+         #  If there's more than one instance of a bubble character
+         #  That's a double bubble; with positional notation we can
+         #  record all the bubbles filled in as well as the
+         #  fact this response consists of multiple bubbles.
+         #
+         if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
+             ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
+             ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
+             ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
+             ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
+             ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
+             my $doubleerror = 0;
+             while (($currquest >= $$scantron_config{'Qlength'}) &&
+                    (!$doubleerror)) {
+                my $currline = substr($currquest,0,$$scantron_config{'Qlength'});
+                $currquest = substr($currquest,$$scantron_config{'Qlength'});
+                my @currarray = split($$scantron_config{'Qon'},$currline,-1);
+                if (length(@currarray) > 2) {
+                    $doubleerror = 1;
+                }
+             }
+             if ($doubleerror) {
+                 push(@{$record->{'scantron.doubleerror'}},$quest_id);
+             }
+         } else {
+             push(@{$record->{'scantron.doubleerror'}},$quest_id);
+         }
+         my $item = $ansnum;
+         for (my $ans=0; $ans<$answers_needed; $ans++) {
+             $record->{"scantron.$item.answer"} = '';
+             $item ++;
+         }
+         my @ans=@array;
+         my $i=0;
+         my $increment = 0;
+         while ($#ans) {
+             $i+=length($ans[0]) + $increment;
+             my $line   = int($i/$$scantron_config{'Qlength'} + $ansnum);
+             my $bubble = $i%$$scantron_config{'Qlength'};
+             $record->{"scantron.$line.answer"}.=$alphabet->[$bubble];
+             shift(@ans);
+             $increment = 1;
+         }
+         $ansnum += $answers_needed;
+     }
+     return $ansnum;
+ }
+ =pod
+ =item scantron_add_delay
+    Adds an error message that occurred during the grading phase to a
+    queue of messages to be shown after grading pass is complete
+  Arguments:
+    $delayqueue  - arrary ref of hash ref of error messages
+    $scanline    - the scanline that caused the error
+    $errormesage - the error message
+    $errorcode   - a numeric code for the error
+  Side Effects:
+    updates the $delayqueue to have a new hash ref of the error
+ =cut
  sub scantron_add_delay {
      my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
      push(@$delayqueue,
- Line 4687  sub scantron_add_delay {
+ Line 5934  sub scantron_add_delay {
  	 );
  }
+ =pod
+ =item scantron_find_student
+    Finds the username for the current scanline
+   Arguments:
+    $scantron_record - hash result from scantron_parse_scanline
+    $scan_data       - hash of correction information
+                       (see &scantron_getfile() form more information)
+    $idmap           - hash from &username_to_idmap()
+    $line            - number of current scanline
+   Returns:
+    Either 'username:domain' or undef if unknown
+ =cut
  sub scantron_find_student {
      my ($scantron_record,$scan_data,$idmap,$line)=@_;
      my $scanID=$$scantron_record{'scantron.ID'};
- Line 4701  sub scantron_find_student {
+ Line 5966  sub scantron_find_student {
      return undef;
  }
+ =pod
+ =item scantron_filter
+    Filter sub for lonnavmaps, filters out hidden resources if ignore
+    hidden resources was selected
+ =cut
  sub scantron_filter {
      my ($curres)=@_;
- Line 4717  sub scantron_filter {
+ Line 5991  sub scantron_filter {
      return 0;
  }
+ =pod
+ =item scantron_process_corrections
+    Gets correction information out of submitted form data and corrects
+    the scanline
+ =cut
  sub scantron_process_corrections {
      my ($r) = @_;
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
- Line 4762  sub scantron_process_corrections {
+ Line 6045  sub scantron_process_corrections {
  		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
  					 $which,'answer',
  					 { 'question'=>$question,
- 		       'response'=>$env{"form.scantron_correct_Q_$question"}});
+ 		      		   'response'=>$env{"form.scantron_correct_Q_$question"},
+                                    'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}});
  	    if ($err) { last; }
  	}
      }
      if ($err) {
- 	$r->print("<font color='red'>Unable to accept last correction, an error occurred :$errmsg:</font>");
+ 	$r->print("<span class=\"LC_warning\">Unable to accept last correction, an error occurred :$errmsg:</span>");
      } else {
  	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
  	&scantron_putfile($scanlines,$scan_data);
      }
  }
+ =pod
+ =item reset_skipping_status
+    Forgets the current set of remember skipped scanlines (and thus
+    reverts back to considering all lines in the
+    scantron_skipped_<filename> file)
+ =cut
  sub reset_skipping_status {
      my ($scanlines,$scan_data)=&scantron_getfile();
      &scan_data($scan_data,'remember_skipping',undef,1);
      &scantron_putfile(undef,$scan_data);
  }
+ =pod
+ =item start_skipping
+    Marks a scanline to be skipped.
+ =cut
  sub start_skipping {
      my ($scan_data,$i)=@_;
      my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
- Line 4791  sub start_skipping {
+ Line 6093  sub start_skipping {
      &scan_data($scan_data,'remember_skipping',join(':',%remembered));
  }
+ =pod
+ =item should_be_skipped
+    Checks whether a scanline should be skipped.
+ =cut
  sub should_be_skipped {
      my ($scanlines,$scan_data,$i)=@_;
      if ($env{'form.scantron_options_redo'} !~ /^redo_/) {
- Line 4806  sub should_be_skipped {
+ Line 6116  sub should_be_skipped {
      return 1;
  }
+ =pod
+ =item remember_current_skipped
+    Discovers what scanlines are in the scantron_skipped_<filename>
+    file and remembers them into scan_data for later use.
+ =cut
  sub remember_current_skipped {
      my ($scanlines,$scan_data)=&scantron_getfile();
      my %to_remember;
- Line 4819  sub remember_current_skipped {
+ Line 6138  sub remember_current_skipped {
      &scantron_putfile(undef,$scan_data);
  }
+ =pod
+ =item check_for_error
+     Checks if there was an error when attempting to remove a specific
+     scantron_.. bubble sheet data file. Prints out an error if
+     something went wrong.
+ =cut
  sub check_for_error {
      my ($r,$result)=@_;
      if ($result ne 'ok' && $result ne 'not_found' ) {
- 	$r->print("An error occured ($result) when trying to Remove the existing corrections.");
+ 	$r->print(&mt("An error occurred ([_1]) when trying to remove the existing corrections.",$result));
      }
  }
+ =pod
+ =item scantron_warning_screen
+    Interstitial screen to make sure the operator has selected the
+    correct options before we start the validation phase.
+ =cut
  sub scantron_warning_screen {
      my ($button_text)=@_;
      my $title=&Apache::lonnet::gettitle($env{'form.selectpage'});
- Line 4835  sub scantron_warning_screen {
+ Line 6173  sub scantron_warning_screen {
  	$scantron_config{'CODEstart'} &&
  	$scantron_config{'CODElength'}) {
  	$CODElist=$env{'form.scantron_CODElist'};
- 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<font color="red">None</font>'; }
+ 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
  	$CODElist=
- 	    '<tr><td><b>List of CODES to validate against:</b></td><td><tt>'.
+ 	    '<tr><td><b>'.&mt('List of CODES to validate against:').'</b></td><td><tt>'.
  	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
      }
-     return (<<STUFF);
+     return ('
  <p>
- <font color="red">Please double check the information
+ <span class="LC_warning">
-                  below before clicking on '$button_text'</font>
+ '.&mt('Please double check the information below before clicking on \'[_1]\'',&mt($button_text)).'</span>
  </p>
  <table>
- <tr><td><b>Sequence to be Graded:</b></td><td>$title</td></tr>
+ <tr><td><b>'.&mt('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>
+ <tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
- $CODElist
+ '.$CODElist.'
  </table>
- </font>
  <br />
- <p> If this information is correct, please click on '$button_text'.</p>
+ <p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'</p>
- <p> If something is incorrect, please click the 'Grading Menu' button to start over.</p>
+ <p> '.&mt('If something is incorrect, please click the \'Grading Menu\' button to start over.').'</p>
  <br />
- STUFF
+ ');
  }
+ =pod
+ =item scantron_do_warning
+    Check if the operator has picked something for all required
+    fields. Error out if something is missing.
+ =cut
  sub scantron_do_warning {
      my ($r)=@_;
      my ($symb)=&get_symb($r);
- Line 4868  sub scantron_do_warning {
+ Line 6214  sub scantron_do_warning {
      if ( $env{'form.selectpage'} eq '' ||
  	 $env{'form.scantron_selectfile'} eq '' ||
  	 $env{'form.scantron_format'} eq '' ) {
- 	$r->print("<p>You have forgetten to specify some information. Please go Back and try again.</p>");
+ 	$r->print("<p>".&mt('You have forgetten to specify some information. Please go Back and try again.')."</p>");
  	if ( $env{'form.selectpage'} eq '') {
- 	    $r->print('<p><font color="red">You have not selected a Sequence to grade</font></p>');
+ 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a Sequence to grade').'</span></p>');
  	}
  	if ( $env{'form.scantron_selectfile'} eq '') {
- 	    $r->print('<p><font color="red">You have not selected a file that contains the student\'s response data.</font></p>');
+ 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a file that contains the student\'s response data.').'</span></p>');
  	}
  	if ( $env{'form.scantron_format'} eq '') {
- 	    $r->print('<p><font color="red">You have not selected a the format of the student\'s response data.</font></p>');
+ 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a the format of the student\'s response data.').'</span></p>');
  	}
      } else {
  	my $warning=&scantron_warning_screen('Grading: Validate Records');
- 	$r->print(<<STUFF);
+ 	$r->print('
- $warning
+ '.$warning.'
- <input type="submit" name="submit" value="Grading: Validate Records" />
+ <input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
  <input type="hidden" name="command" value="scantron_validate" />
- STUFF
+ ');
      }
      $r->print("</form><br />".&show_grading_menu_form($symb));
      return '';
  }
+ =pod
+ =item scantron_form_start
+     html hidden input for remembering all selected grading options
+ =cut
  sub scantron_form_start {
      my ($max_bubble)=@_;
      my $result= <<SCANTRONFORM;
- Line 4904  sub scantron_form_start {
+ Line 6258  sub scantron_form_start {
    <input type="hidden" name="scantron_options_ignore" value="$env{'form.scantron_options_ignore'}" />
    <input type="hidden" name="scantron_options_hidden" value="$env{'form.scantron_options_hidden'}" />
  SCANTRONFORM
+   my $line = 0;
+     while (defined($env{"form.scantron.bubblelines.$line"})) {
+        my $chunk =
+ 	   '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";
+        $chunk .=
+ 	   '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";
+        $chunk .=
+            '<input type="hidden" name="scantron.sub_bubblelines.'.$line.'" value="'.$env{"form.scantron.sub_bubblelines.$line"}.'" />'."\n";
+        $chunk .=
+            '<input type="hidden" name="scantron.responsetype.'.$line.'" value="'.$env{"form.scantron.responsetype.$line"}.'" />'."\n";
+        $result .= $chunk;
+        $line++;
+    }
      return $result;
  }
+ =pod
+ =item scantron_validate_file
+     Dispatch routine for doing validation of a bubble sheet data file.
+     Also processes any necessary information resets that need to
+     occur before validation begins (ignore previous corrections,
+     restarting the skipped records processing)
+ =cut
  sub scantron_validate_file {
      my ($r) = @_;
      my ($symb)=&get_symb($r);
- Line 4914  sub scantron_validate_file {
+ Line 6294  sub scantron_validate_file {
      my $default_form_data=&defaultFormData($symb);
      # do the detection of only doing skipped records first befroe we delete
-     # them  when doing the corrections reset
+     # them when doing the corrections reset
      if ($env{'form.scantron_options_redo'} ne 'redo_skipped_ready') {
  	&reset_skipping_status();
      }
- Line 4933  sub scantron_validate_file {
+ Line 6313  sub scantron_validate_file {
      if ($env{'form.scantron_corrections'}) {
  	&scantron_process_corrections($r);
      }
-     $r->print("<p>Gathering neccessary info.</p>");$r->rflush();
+     $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
      #get the student pick code ready
      $r->print(&Apache::loncommon::studentbrowser_javascript());
-     my $max_bubble=&scantron_get_maxbubble();
+     my $nav_error;
+     my $max_bubble=&scantron_get_maxbubble(\$nav_error);
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return '';
+     }
      my $result=&scantron_form_start($max_bubble).$default_form_data;
      $r->print($result);
- Line 4950  sub scantron_validate_file {
+ Line 6335  sub scantron_validate_file {
      }
      my $currentphase=$env{'form.validatepass'};
      my $stop=0;
      while (!$stop && $currentphase < scalar(@validate_phases)) {
- 	$r->print("<p> Validating ".$validate_phases[$currentphase]."</p>");
+ 	$r->print(&mt('Validating '.$validate_phases[$currentphase]).'<br />');
  	$r->rflush();
  	my $which="scantron_validate_".$validate_phases[$currentphase];
  	{
- Line 4962  sub scantron_validate_file {
+ Line 6348  sub scantron_validate_file {
      }
      if (!$stop) {
  	my $warning=&scantron_warning_screen('Start Grading');
- 	$r->print(<<STUFF);
+ 	$r->print(&mt('Validation process complete.').'<br />'.
- Validation process complete.<br />
+                   $warning.
- $warning
+                   &mt('Perform verification for each student after storage of submissions?').
- <input type="submit" name="submit" value="Start Grading" />
+                   '&nbsp;<span class="LC_nobreak"><label>'.
- <input type="hidden" name="command" value="scantron_process" />
+                   '<input type="radio" name="verifyrecord" value="1" />'.&mt('Yes').'</label>'.
- STUFF
+                   ('&nbsp;'x3).'<label>'.
+                   '<input type="radio" name="verifyrecord" value="0" checked="checked" />'.&mt('No').
+                   '</label></span><br />'.
+                   &mt('Grading will take longer if you use verification.').'<br />'.
+                   &mt("Alternatively, the 'Review bubblesheet data' utility (see grading menu) can be used for all students after grading is complete.").'<br /><br />'.
+                   '<input type="submit" name="submit" value="'.&mt('Start Grading').'" />'.
+                   '<input type="hidden" name="command" value="scantron_process" />'."\n");
      } else {
  	$r->print('<input type="hidden" name="command" value="scantron_validate" />');
  	$r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
      }
      if ($stop) {
  	if ($validate_phases[$currentphase] eq 'sequence') {
- 	    $r->print('<input type="submit" name="submit" value="Ignore -> " />');
+ 	    $r->print('<input type="submit" name="submit" value="'.&mt('Ignore').' &rarr; " />');
- 	    $r->print(' this error <br />');
+ 	    $r->print(' '.&mt('this error').' <br />');
- 	    $r->print(" <p>Or click the 'Grading Menu' button to start over.</p>");
+ 	    $r->print(" <p>".&mt("Or click the 'Grading Menu' button to start over.")."</p>");
  	} else {
- 	    $r->print('<input type="submit" name="submit" value="Continue ->" />');
+             if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') {
- 	    $r->print(' using corrected info <br />');
+ 	        $r->print('<input type="button" name="submitbutton" value="'.&mt('Continue').' &rarr;" onclick="javascript:verify_bubble_radio(this.form)" />');
- 	    $r->print("<input type='submit' value='Skip' name='scantron_skip_record' />");
+             } else {
- 	    $r->print(" this scanline saving it for later.");
+                 $r->print('<input type="submit" name="submit" value="'.&mt('Continue').' &rarr;" />');
+             }
+ 	    $r->print(' '.&mt('using corrected info').' <br />');
+ 	    $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");
+ 	    $r->print(" ".&mt("this scanline saving it for later."));
  	}
      }
      $r->print(" </form><br />".&show_grading_menu_form($symb));
      return '';
  }
+ =pod
+ =item scantron_remove_file
+    Removes the requested bubble sheet data file, makes sure that
+    scantron_original_<filename> is never removed
+ =cut
  sub scantron_remove_file {
      my ($which)=@_;
      my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
- Line 5004  sub scantron_remove_file {
+ Line 6410  sub scantron_remove_file {
      return &Apache::lonnet::removeuserfile($cname,$cdom,$file);
  }
+ =pod
+ =item scantron_remove_scan_data
+    Removes all scan_data correction for the requested bubble sheet
+    data file.  (In the case that both the are doing skipped records we need
+    to remember the old skipped lines for the time being so that element
+    persists for a while.)
+ =cut
  sub scantron_remove_scan_data {
      my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
      my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
- Line 5021  sub scantron_remove_scan_data {
+ Line 6439  sub scantron_remove_scan_data {
      }
      my $result;
      if (@todelete) {
- 	$result=&Apache::lonnet::del('nohist_scantrondata',\@todelete,$cdom,$cname);
+ 	$result = &Apache::lonnet::del('nohist_scantrondata',
+ 				       \@todelete,$cdom,$cname);
+     } else {
+ 	$result = 'ok';
      }
      return $result;
  }
+ =pod
+ =item scantron_getfile
+     Fetches the requested bubble sheet data file (all 3 versions), and
+     the scan_data hash
+   Arguments:
+     None
+   Returns:
+hash references
+      - first one has
+          orig      -
+          corrected -
+          skipped   -  each of which points to an array ref of the specified
+                       file broken up into individual lines
+          count     - number of scanlines
+      - second is the scan_data hash possible keys are
+        ($number refers to scanline numbered $number and thus the key affects
+         only that scanline
+         $bubline refers to the specific bubble line element and the aspects
+         refers to that specific bubble line element)
+        $number.user - username:domain to use
+        $number.CODE_ignore_dup
+                     - ignore the duplicate CODE error
+        $number.useCODE
+                     - use the CODE in the scanline as is
+        $number.no_bubble.$bubline
+                     - it is valid that there is no bubbled in bubble
+                       at $number $bubline
+        remember_skipping
+                     - a frozen hash containing keys of $number and values
+                       of either
+- we are on a 'do skipped records pass' and plan
+                             on processing this line
+- we are on a 'do skipped records pass' and this
+                             scanline has been marked to skip yet again
+ =cut
  sub scantron_getfile {
      #FIXME really would prefer a scantron directory
      my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
- Line 5058  sub scantron_getfile {
+ Line 6524  sub scantron_getfile {
      return (\%scanlines,\%scan_data);
  }
+ =pod
+ =item lonnet_putfile
+    Wrapper routine to call &Apache::lonnet::finishuserfileupload
+  Arguments:
+    $contents - data to store
+    $filename - filename to store $contents into
+  Returns:
+    result value from &Apache::lonnet::finishuserfileupload
+ =cut
  sub lonnet_putfile {
      my ($contents,$filename)=@_;
      my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
- Line 5067  sub lonnet_putfile {
+ Line 6548  sub lonnet_putfile {
  }
+ =pod
+ =item scantron_putfile
+     Stores the current version of the bubble sheet data files, and the
+     scan_data hash. (Does not modify the original version only the
+     corrected and skipped versions.
+  Arguments:
+     $scanlines - hash ref that looks like the first return value from
+                  &scantron_getfile()
+     $scan_data - hash ref that looks like the second return value from
+                  &scantron_getfile()
+ =cut
  sub scantron_putfile {
      my ($scanlines,$scan_data) = @_;
      #FIXME really would prefer a scantron directory
- Line 5087  sub scantron_putfile {
+ Line 6584  sub scantron_putfile {
      &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname);
  }
+ =pod
+ =item scantron_get_line
+    Returns the correct version of the scanline
+  Arguments:
+     $scanlines - hash ref that looks like the first return value from
+                  &scantron_getfile()
+     $scan_data - hash ref that looks like the second return value from
+                  &scantron_getfile()
+     $i         - number of the requested line (starts at 0)
+  Returns:
+    A scanline, (either the original or the corrected one if it
+    exists), or undef if the requested scanline should be
+    skipped. (Either because it's an skipped scanline, or it's an
+    unskipped scanline and we are not doing a 'do skipped scanlines'
+    pass.
+ =cut
  sub scantron_get_line {
      my ($scanlines,$scan_data,$i)=@_;
      if (&should_be_skipped($scanlines,$scan_data,$i)) { return undef; }
- Line 5095  sub scantron_get_line {
+ Line 6614  sub scantron_get_line {
      return $scanlines->{'orig'}[$i];
  }
+ =pod
+ =item scantron_todo_count
+     Counts the number of scanlines that need processing.
+  Arguments:
+     $scanlines - hash ref that looks like the first return value from
+                  &scantron_getfile()
+     $scan_data - hash ref that looks like the second return value from
+                  &scantron_getfile()
+  Returns:
+     $count - number of scanlines to process
+ =cut
  sub get_todo_count {
      my ($scanlines,$scan_data)=@_;
      my $count=0;
- Line 5106  sub get_todo_count {
+ Line 6642  sub get_todo_count {
      return $count;
  }
+ =pod
+ =item scantron_put_line
+     Updates the 'corrected' or 'skipped' versions of the bubble sheet
+     data file.
+  Arguments:
+     $scanlines - hash ref that looks like the first return value from
+                  &scantron_getfile()
+     $scan_data - hash ref that looks like the second return value from
+                  &scantron_getfile()
+     $i         - line number to update
+     $newline   - contents of the updated scanline
+     $skip      - if true make the line for skipping and update the
+                  'skipped' file
+ =cut
  sub scantron_put_line {
      my ($scanlines,$scan_data,$i,$newline,$skip)=@_;
      if ($skip) {
- Line 5116  sub scantron_put_line {
+ Line 6671  sub scantron_put_line {
      $scanlines->{'corrected'}[$i]=$newline;
  }
+ =pod
+ =item scantron_clear_skip
+    Remove a line from the 'skipped' file
+  Arguments:
+     $scanlines - hash ref that looks like the first return value from
+                  &scantron_getfile()
+     $scan_data - hash ref that looks like the second return value from
+                  &scantron_getfile()
+     $i         - line number to update
+ =cut
  sub scantron_clear_skip {
      my ($scanlines,$scan_data,$i)=@_;
      if (exists($scanlines->{'skipped'}[$i])) {
- Line 5125  sub scantron_clear_skip {
+ Line 6695  sub scantron_clear_skip {
      return 0;
  }
+ =pod
+ =item scantron_filter_not_exam
+    Filter routine used by &Apache::lonnavmaps::retrieveResources(), to
+    filter out resources that are not marked as 'exam' mode
+ =cut
  sub scantron_filter_not_exam {
      my ($curres)=@_;
- Line 5141  sub scantron_filter_not_exam {
+ Line 6720  sub scantron_filter_not_exam {
      return 0;
  }
+ =pod
+ =item scantron_validate_sequence
+     Validates the selected sequence, checking for resource that are
+     not set to exam mode.
+ =cut
  sub scantron_validate_sequence {
      my ($r,$currentphase) = @_;
      my $navmap=Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         $r->print(&navmap_errormsg());
+         return (1,$currentphase);
+     }
      my (undef,undef,$sequence)=
  	&Apache::lonnet::decode_symb($env{'form.selectpage'});
- Line 5164  sub scantron_validate_sequence {
+ Line 6756  sub scantron_validate_sequence {
      return (0,$currentphase+1);
  }
  sub scantron_validate_ID {
      my ($r,$currentphase) = @_;
- Line 5175  sub scantron_validate_ID {
+ Line 6769  sub scantron_validate_ID {
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
      my ($scanlines,$scan_data)=&scantron_getfile();
+     my $nav_error;
+     &scantron_get_maxbubble(\$nav_error); # parse needs the bubble_lines.. array.
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return(1,$currentphase);
+     }
      my %found=('ids'=>{},'usernames'=>{});
      for (my $i=0;$i<=$scanlines->{'count'};$i++) {
  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
- Line 5226  sub scantron_validate_ID {
+ Line 6827  sub scantron_validate_ID {
      return (0,$currentphase+1);
  }
  sub scantron_get_correction {
      my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
+ #FIXME in the case of a duplicated ID the previous line, probably need
- #FIXME in the case of a duplicated ID the previous line, probaly need
  #to show both the current line and the previous one and allow skipping
  #the previous one or the current one
-     $r->print("<p><b>An error was detected ($error)</b>");
      if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
- 	$r->print(" for PaperID <tt>".
+ 	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
- 		  $$scan_record{'scantron.PaperID'}."</tt> \n");
+ 			    " for PaperID <tt>[_1]</tt>",
+ 			    $$scan_record{'scantron.PaperID'})."</p> \n");
      } else {
- 	$r->print(" in scanline $i <pre>".
+ 	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
- 		  $line."</pre> \n");
+ 			    " in scanline [_1] <pre>[_2]</pre>",
-     }
+ 			    $i,$line)."</p> \n");
-     my $message="<p>The ID on the form is  <tt>".
+     }
- 	$$scan_record{'scantron.ID'}."</tt><br />\n".
+     my $message="<p>".&mt("The ID on the form is  <tt>[_1]</tt><br />".
- 	"The name on the paper is ".
+ 			  "The name on the paper is [_2],[_3]",
- 	$$scan_record{'scantron.LastName'}.",".
+ 			  $$scan_record{'scantron.ID'},
- 	$$scan_record{'scantron.FirstName'}."</p>";
+ 			  $$scan_record{'scantron.LastName'},
+ 			  $$scan_record{'scantron.FirstName'})."</p>";
      $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
      $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
+                            # Array populated for doublebubble or
+     my @lines_to_correct;  # missingbubble errors to build javascript
+                            # to validate radio button checking
      if ($error =~ /ID$/) {
  	if ($error eq 'incorrectID') {
- 	    $r->print("The encoded ID is not in the classlist</p>\n");
+ 	    $r->print("<p>".&mt("The encoded ID is not in the classlist").
+ 		      "</p>\n");
  	} elsif ($error eq 'duplicateID') {
- 	    $r->print("The encoded ID has also been used by a previous paper $arg</p>\n");
+ 	    $r->print("<p>".&mt("The encoded ID has also been used by a previous paper [_1]",$arg)."</p>\n");
  	}
  	$r->print($message);
- 	$r->print("<p>How should I handle this? <br /> \n");
+ 	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
  	$r->print("\n<ul><li> ");
  	#FIXME it would be nice if this sent back the user ID and
  	#could do partial userID matches
- Line 5269  sub scantron_get_correction {
+ Line 6876  sub scantron_get_correction {
  	$r->print('</li>');
      } elsif ($error =~ /CODE$/) {
  	if ($error eq 'incorrectCODE') {
- 	    $r->print("</p><p>The encoded CODE is not in the list of possible CODEs</p>\n");
+ 	    $r->print("<p>".&mt("The encoded CODE is not in the list of possible CODEs.")."</p>\n");
  	} elsif ($error eq 'duplicateCODE') {
- 	    $r->print("</p><p>The encoded CODE has also been used by a previous paper ".join(', ',@{$arg}).", and CODEs are supposed to be unique</p>\n");
+ 	    $r->print("<p>".&mt("The encoded CODE has also been used by a previous paper [_1], and CODEs are supposed to be unique.",join(', ',@{$arg}))."</p>\n");
  	}
- 	$r->print("<p>The CODE on the form is  <tt>'".
+ 	$r->print("<p>".&mt("The CODE on the form is  <tt>'[_1]'</tt>",
- 		  $$scan_record{'scantron.CODE'}."'</tt><br />\n");
+ 			    $$scan_record{'scantron.CODE'})."<br />\n");
  	$r->print($message);
- 	$r->print("<p>How should I handle this? <br /> \n");
+ 	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
  	$r->print("\n<br /> ");
  	my $i=0;
  	if ($error eq 'incorrectCODE'
- Line 5285  sub scantron_get_correction {
+ Line 6892  sub scantron_get_correction {
  	    if ($closest > 0) {
  		foreach my $testcode (@{$closest}) {
  		    my $checked='';
- 		    if (!$i) { $checked=' checked="on" '; }
+ 		    if (!$i) { $checked=' checked="checked"'; }
- 		    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.</label><input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
+ 		    $r->print("
+    <label>
+        <input type='radio' name='scantron_CODE_resolution' value='use_closest_$i'$checked />
+        ".&mt("Use the similar CODE [_1] instead.",
+ 	    "<b><tt>".$testcode."</tt></b>")."
+     </label>
+     <input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
  		    $r->print("\n<br />");
  		    $i++;
  		}
  	    }
  	}
  	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
- 	    my $checked; if (!$i) { $checked=' checked="on" '; }
+ 	    my $checked; if (!$i) { $checked=' checked="checked"'; }
- 	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked /> Use the CODE <b><tt>".$$scan_record{'scantron.CODE'}."</tt></b> that is was on the paper, ignoring the error.</label>");
+ 	    $r->print("
+     <label>
+         <input type='radio' name='scantron_CODE_resolution' value='use_unfound'$checked />
+        ".&mt("Use the CODE [_1] that is was on the paper, ignoring the error.",
+ 	     "<b><tt>".$$scan_record{'scantron.CODE'}."</tt></b>")."
+     </label>");
  	    $r->print("\n<br />");
  	}
- Line 5316  ENDSCRIPT
+ Line 6934  ENDSCRIPT
  	   "&curCODE=".&escape($$scan_record{'scantron.CODE'}).
  	   "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'});
  	if ($env{'form.scantron_CODElist'} =~ /\S/) {
- 	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it.</label> Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
+ 	    $r->print("
+     <label>
+        <input type='radio' name='scantron_CODE_resolution' value='use_found' />
+        ".&mt("[_1]Select[_2] a CODE from the list of all CODEs and use it.",
+ 	     "<a target='_blank' href='$href'>","</a>")."
+     </label>
+     ".&mt("Selected CODE is [_1]",'<input readonly="readonly" type="text" size="8" name="scantron_CODE_selectedvalue" onfocus="javascript:change_radio(\'use_found\')" onchange="javascript:change_radio(\'use_found\')" />'));
  	    $r->print("\n<br />");
  	}
- 	$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_typed' /> Use </label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" /> as the CODE.");
+ 	$r->print("
+     <label>
+        <input type='radio' name='scantron_CODE_resolution' value='use_typed' />
+        ".&mt("Use [_1] as the CODE.",
+ 	     "</label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" />"));
  	$r->print("\n<br /><br />");
      } elsif ($error eq 'doublebubble') {
- 	$r->print("<p>There have been multiple bubbles scanned for a some question(s)</p>\n");
+ 	$r->print("<p>".&mt("There have been multiple bubbles scanned for some question(s)")."</p>\n");
+ 	# The form field scantron_questions is acutally a list of line numbers.
+ 	# represented by this form so:
+ 	my $line_list = &questions_to_line_list($arg);
  	$r->print('<input type="hidden" name="scantron_questions" value="'.
- 		  join(',',@{$arg}).'" />');
+ 		  $line_list.'" />');
  	$r->print($message);
- 	$r->print("<p>Please indicate which bubble should be used for grading</p>");
+ 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");
  	foreach my $question (@{$arg}) {
- 	    my $selected=$$scan_record{"scantron.$question.answer"};
+ 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
- 	    &scantron_bubble_selector($r,$scan_config,$question,split('',$selected));
+                                                    $scan_record, $error);
+             push(@lines_to_correct,@linenums);
  	}
+         $r->print(&verify_bubbles_checked(@lines_to_correct));
      } elsif ($error eq 'missingbubble') {
- 	$r->print("<p>There have been <b>no</b> bubbles scanned for some question(s)</p>\n");
+ 	$r->print("<p>".&mt("There have been <b>no</b> bubbles scanned for some question(s)")."</p>\n");
  	$r->print($message);
- 	$r->print("<p>Please indicate which bubble should be used for grading</p>");
+ 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");
- 	$r->print("Some questions have no scanned bubbles\n");
+ 	$r->print(&mt("Some questions have no scanned bubbles.")."\n");
+ 	# The form field scantron_questions is actually a list of line numbers not
+ 	# a list of question numbers. Therefore:
+ 	#
+ 	my $line_list = &questions_to_line_list($arg);
  	$r->print('<input type="hidden" name="scantron_questions" value="'.
- 		  join(',',@{$arg}).'" />');
+ 		  $line_list.'" />');
  	foreach my $question (@{$arg}) {
- 	    my $selected=$$scan_record{"scantron.$question.answer"};
+ 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
- 	    &scantron_bubble_selector($r,$scan_config,$question);
+                                                    $scan_record, $error);
+             push(@lines_to_correct,@linenums);
  	}
+         $r->print(&verify_bubbles_checked(@lines_to_correct));
      } else {
  	$r->print("\n<ul>");
      }
      $r->print("\n</li></ul>");
+ }
+ sub verify_bubbles_checked {
+     my (@ansnums) = @_;
+     my $ansnumstr = join('","',@ansnums);
+     my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines.");
+     my $output = (<<ENDSCRIPT);
+ <script type="text/javascript">
+ function verify_bubble_radio(form) {
+     var ansnumArray = new Array ("$ansnumstr");
+     var need_bubble_count = 0;
+     for (var i=0; i<ansnumArray.length; i++) {
+         if (form.elements["scantron_correct_Q_"+ansnumArray[i]].length > 1) {
+             var bubble_picked = 0;
+             for (var j=0; j<form.elements["scantron_correct_Q_"+ansnumArray[i]].length; j++) {
+                 if (form.elements["scantron_correct_Q_"+ansnumArray[i]][j].checked == true) {
+                     bubble_picked = 1;
+                 }
+             }
+             if (bubble_picked == 0) {
+                 need_bubble_count ++;
+             }
+         }
+     }
+     if (need_bubble_count) {
+         alert("$warning");
+         return;
+     }
+     form.submit();
+ }
+ </script>
+ ENDSCRIPT
+     return $output;
+ }
+ =pod
+ =item  questions_to_line_list
+ Converts a list of questions into a string of comma separated
+ line numbers in the answer sheet used by the questions.  This is
+ used to fill in the scantron_questions form field.
+   Arguments:
+      questions    - Reference to an array of questions.
+ =cut
+ sub questions_to_line_list {
+     my ($questions) = @_;
+     my @lines;
+     foreach my $item (@{$questions}) {
+         my $question = $item;
+         my ($first,$count,$last);
+         if ($item =~ /^(\d+)\.(\d+)$/) {
+             $question = $1;
+             my $subquestion = $2;
+             $first = $first_bubble_line{$question-1} + 1;
+             my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+             my $subcount = 1;
+             while ($subcount<$subquestion) {
+                 $first += $subans[$subcount-1];
+                 $subcount ++;
+             }
+             $count = $subans[$subquestion-1];
+         } else {
+ 	    $first   = $first_bubble_line{$question-1} + 1;
+ 	    $count   = $bubble_lines_per_response{$question-1};
+         }
+         $last = $first+$count-1;
+         push(@lines, ($first..$last));
+     }
+     return join(',', @lines);
  }
+ =pod
+ =item prompt_for_corrections
+ Prompts for a potentially multiline correction to the
+ user's bubbling (factors out common code from scantron_get_correction
+ for multi and missing bubble cases).
+  Arguments:
+    $r           - Apache request object.
+    $question    - The question number to prompt for.
+    $scan_config - The scantron file configuration hash.
+    $scan_record - Reference to the hash that has the the parsed scanlines.
+    $error       - Type of error
+  Implicit inputs:
+    %bubble_lines_per_response   - Starting line numbers for each question.
+                                   Numbered from 0 (but question numbers are from
+.
+    %first_bubble_line           - Starting bubble line for each question.
+    %subdivided_bubble_lines     - optionresponse, matchresponse and rankresponse
+                                   type problems render as separate sub-questions,
+                                   in exam mode. This hash contains a
+                                   comma-separated list of the lines per
+                                   sub-question.
+    %responsetype_per_response   - essayresponse, formularesponse,
+                                   stringresponse, imageresponse, reactionresponse,
+                                   and organicresponse type problem parts can have
+                                   multiple lines per response if the weight
+                                   assigned exceeds 10.  In this case, only
+                                   one bubble per line is permitted, but more
+                                   than one line might contain bubbles, e.g.
+                                   bubbling of: line 1 - J, line 2 - J,
+                                   line 3 - B would assign 22 points.
+ =cut
+ sub prompt_for_corrections {
+     my ($r, $question, $scan_config, $scan_record, $error) = @_;
+     my ($current_line,$lines);
+     my @linenums;
+     my $questionnum = $question;
+     if ($question =~ /^(\d+)\.(\d+)$/) {
+         $question = $1;
+         $current_line = $first_bubble_line{$question-1} + 1 ;
+         my $subquestion = $2;
+         my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+         my $subcount = 1;
+         while ($subcount<$subquestion) {
+             $current_line += $subans[$subcount-1];
+             $subcount ++;
+         }
+         $lines = $subans[$subquestion-1];
+     } else {
+         $current_line = $first_bubble_line{$question-1} + 1 ;
+         $lines        = $bubble_lines_per_response{$question-1};
+     }
+     if ($lines > 1) {
+         $r->print(&mt('The group of bubble lines below responds to a single question.').'<br />');
+         if (($responsetype_per_response{$question-1} eq 'essayresponse') ||
+             ($responsetype_per_response{$question-1} eq 'formularesponse') ||
+             ($responsetype_per_response{$question-1} eq 'stringresponse') ||
+             ($responsetype_per_response{$question-1} eq 'imageresponse') ||
+             ($responsetype_per_response{$question-1} eq 'reactionresponse') ||
+             ($responsetype_per_response{$question-1} eq 'organicresponse')) {
+             $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their bubblesheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during bubblesheet grading by selecting a bubble in at least one line.').'<br />'.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'<br />'.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'<br /><br />');
+         } else {
+             $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");
+         }
+     }
+     for (my $i =0; $i < $lines; $i++) {
+         my $selected = $$scan_record{"scantron.$current_line.answer"};
+ 	&scantron_bubble_selector($r,$scan_config,$current_line,
+ 	        		  $questionnum,$error,split('', $selected));
+         push(@linenums,$current_line);
+ 	$current_line++;
+     }
+     if ($lines > 1) {
+ 	$r->print("<hr /><br />");
+     }
+     return @linenums;
+ }
+ =pod
+ =item scantron_bubble_selector
+    Generates the html radiobuttons to correct a single bubble line
+    possibly showing the existing the selected bubbles if known
+  Arguments:
+     $r           - Apache request object
+     $scan_config - hash from &get_scantron_config()
+     $line        - Number of the line being displayed.
+     $questionnum - Question number (may include subquestion)
+     $error       - Type of error.
+     @selected    - Array of bubbles picked on this line.
+ =cut
  sub scantron_bubble_selector {
-     my ($r,$scan_config,$quest,@selected)=@_;
+     my ($r,$scan_config,$line,$questionnum,$error,@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>");
+     $r->print(&Apache::loncommon::start_data_table().
+               &Apache::loncommon::start_data_table_row());
+     $r->print('<td rowspan="2" class="LC_leftcol_header">'.$line.'</td>');
      for (my $i=0;$i<$max+1;$i++) {
  	$r->print("\n".'<td align="center">');
  	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
  	else { $r->print('&nbsp;'); }
  	$r->print('</td>');
      }
-     $r->print('</tr><tr>');
+     $r->print(&Apache::loncommon::end_data_table_row().
+               &Apache::loncommon::start_data_table_row());
      for (my $i=0;$i<$max;$i++) {
  	$r->print("\n".
  		  '<td><label><input type="radio" name="scantron_correct_Q_'.
- 		  $quest.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
+ 		  $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
      }
-     $r->print('<td><label><input type="radio" name="scantron_correct_Q_'.
+     my $nobub_checked = ' ';
- 	      $quest.'" value="none" /> No bubble </label></td>');
+     if ($error eq 'missingbubble') {
-     $r->print('</tr></table>');
+         $nobub_checked = ' checked = "checked" ';
+     }
+     $r->print("\n".'<td><label><input type="radio" name="scantron_correct_Q_'.
+ 	      $line.'" value="none"'.$nobub_checked.'/>'.&mt('No bubble').
+               '</label>'."\n".'<input type="hidden" name="scantron_questionnum_Q_'.
+               $line.'" value="'.$questionnum.'" /></td>');
+     $r->print(&Apache::loncommon::end_data_table_row().
+               &Apache::loncommon::end_data_table());
  }
+ =pod
+ =item num_matches
+    Counts the number of characters that are the same between the two arguments.
+  Arguments:
+    $orig - CODE from the scanline
+    $code - CODE to match against
+  Returns:
+    $count - integer count of the number of same characters between the
+             two arguments
+ =cut
  sub num_matches {
      my ($orig,$code) = @_;
      my @code=split(//,$code);
- Line 5386  sub num_matches {
+ Line 7231  sub num_matches {
      return $same;
  }
+ =pod
+ =item scantron_get_closely_matching_CODEs
+    Cycles through all CODEs and finds the set that has the greatest
+    number of same characters as the provided CODE
+  Arguments:
+    $allcodes - hash ref returned by &get_codes()
+    $CODE     - CODE from the current scanline
+  Returns:
+element list
+     - first elements is number of how closely matching the best fit is
+       (5 means best set has 5 matching characters)
+     - second element is an arrary ref containing the set of valid CODEs
+       that best fit the passed in CODE
+ =cut
  sub scantron_get_closely_matching_CODEs {
      my ($allcodes,$CODE)=@_;
      my @CODEs;
- Line 5396  sub scantron_get_closely_matching_CODEs
+ Line 7261  sub scantron_get_closely_matching_CODEs
      return ($#CODEs,$CODEs[-1]);
  }
+ =pod
+ =item get_codes
+    Builds a hash which has keys of all of the valid CODEs from the selected
+    set of remembered CODEs.
+  Arguments:
+   $old_name - name of the set of remembered CODEs
+   $cdom     - domain of the course
+   $cnum     - internal course name
+  Returns:
+   %allcodes - keys are the valid CODEs, values are all 1
+ =cut
  sub get_codes {
      my ($old_name, $cdom, $cnum) = @_;
      if (!$old_name) {
- Line 5418  sub get_codes {
+ Line 7300  sub get_codes {
      return %allcodes;
  }
+ =pod
+ =item scantron_validate_CODE
+    Validates all scanlines in the selected file to not have any
+    invalid or underspecified CODEs and that none of the codes are
+    duplicated if this was requested.
+ =cut
  sub scantron_validate_CODE {
      my ($r,$currentphase) = @_;
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
- Line 5435  sub scantron_validate_CODE {
+ Line 7327  sub scantron_validate_CODE {
      my %allcodes=&get_codes();
+     my $nav_error;
+     &scantron_get_maxbubble(\$nav_error); # parse needs the lines per response array.
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return(1,$currentphase);
+     }
      my ($scanlines,$scan_data)=&scantron_getfile();
      for (my $i=0;$i<=$scanlines->{'count'};$i++) {
  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
- Line 5464  sub scantron_validate_CODE {
+ Line 7363  sub scantron_validate_CODE {
  				     $line,'duplicateCODE',$usedCODEs{$CODE});
  	    return(1,$currentphase);
  	}
- 	push (@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
+ 	push(@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
      }
      return (0,$currentphase+1);
  }
+ =pod
+ =item scantron_validate_doublebubble
+    Validates all scanlines in the selected file to not have any
+    bubble lines with multiple bubbles marked.
+ =cut
  sub scantron_validate_doublebubble {
      my ($r,$currentphase) = @_;
      #get student info
- Line 5478  sub scantron_validate_doublebubble {
+ Line 7386  sub scantron_validate_doublebubble {
      #get scantron line setup
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
      my ($scanlines,$scan_data)=&scantron_getfile();
+     my $nav_error;
+     &scantron_get_maxbubble(\$nav_error); # parse needs the bubble line array.
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return(1,$currentphase);
+     }
      for (my $i=0;$i<=$scanlines->{'count'};$i++) {
  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
  	if ($line=~/^[\s\cz]*$/) { next; }
- Line 5492  sub scantron_validate_doublebubble {
+ Line 7407  sub scantron_validate_doublebubble {
      return (0,$currentphase+1);
  }
- sub scantron_get_maxbubble {
+ sub scantron_get_maxbubble {
+     my ($nav_error) = @_;
      if (defined($env{'form.scantron_maxbubble'}) &&
  	$env{'form.scantron_maxbubble'}) {
+ 	&restore_bubble_lines();
  	return $env{'form.scantron_maxbubble'};
      }
-     my $navmap=Apache::lonnavmaps::navmap->new();
+     my (undef, undef, $sequence) =
-     my (undef,undef,$sequence)=
  	&Apache::lonnet::decode_symb($env{'form.selectpage'});
+     my $navmap=Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         if (ref($nav_error)) {
+             $$nav_error = 1;
+         }
+     }
      my $map=$navmap->getResourceByUrl($sequence);
      my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
      &Apache::lonxml::clear_problem_counter();
+     my $uname       = $env{'user.name'};
+     my $udom        = $env{'user.domain'};
+     my $cid         = $env{'request.course.id'};
+     my $total_lines = 0;
+     %bubble_lines_per_response = ();
+     %first_bubble_line         = ();
+     %subdivided_bubble_lines   = ();
+     %responsetype_per_response = ();
+     my $response_number = 0;
+     my $bubble_line     = 0;
      foreach my $resource (@resources) {
- 	my $result=&Apache::lonnet::ssi($resource->src(),
+         my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,$udom);
- 					('symb' => $resource->symb()));
+         if ((ref($analysis) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
+ 	    foreach my $part_id (@{$parts}) {
+                 my $lines;
+ 	        # TODO - make this a persistent hash not an array.
+                 # optionresponse, matchresponse and rankresponse type items
+                 # render as separate sub-questions in exam mode.
+                 if (($analysis->{$part_id.'.type'} eq 'optionresponse') ||
+                     ($analysis->{$part_id.'.type'} eq 'matchresponse') ||
+                     ($analysis->{$part_id.'.type'} eq 'rankresponse')) {
+                     my ($numbub,$numshown);
+                     if ($analysis->{$part_id.'.type'} eq 'optionresponse') {
+                         if (ref($analysis->{$part_id.'.options'}) eq 'ARRAY') {
+                             $numbub = scalar(@{$analysis->{$part_id.'.options'}});
+                         }
+                     } elsif ($analysis->{$part_id.'.type'} eq 'matchresponse') {
+                         if (ref($analysis->{$part_id.'.items'}) eq 'ARRAY') {
+                             $numbub = scalar(@{$analysis->{$part_id.'.items'}});
+                         }
+                     } elsif ($analysis->{$part_id.'.type'} eq 'rankresponse') {
+                         if (ref($analysis->{$part_id.'.foils'}) eq 'ARRAY') {
+                             $numbub = scalar(@{$analysis->{$part_id.'.foils'}});
+                         }
+                     }
+                     if (ref($analysis->{$part_id.'.shown'}) eq 'ARRAY') {
+                         $numshown = scalar(@{$analysis->{$part_id.'.shown'}});
+                     }
+                     my $bubbles_per_line = 10;
+                     my $inner_bubble_lines = int($numbub/$bubbles_per_line);
+                     if (($numbub % $bubbles_per_line) != 0) {
+                         $inner_bubble_lines++;
+                     }
+                     for (my $i=0; $i<$numshown; $i++) {
+                         $subdivided_bubble_lines{$response_number} .=
+                             $inner_bubble_lines.',';
+                     }
+                     $subdivided_bubble_lines{$response_number} =~ s/,$//;
+                     $lines = $numshown * $inner_bubble_lines;
+                 } else {
+                     $lines = $analysis->{"$part_id.bubble_lines"};
+                 }
+                 $first_bubble_line{$response_number} = $bubble_line;
+ 	        $bubble_lines_per_response{$response_number} = $lines;
+                 $responsetype_per_response{$response_number} =
+                     $analysis->{$part_id.'.type'};
+ 	        $response_number++;
+ 	        $bubble_line +=  $lines;
+ 	        $total_lines +=  $lines;
+ 	    }
+         }
      }
-     &Apache::lonnet::delenv('scantron\.');
+     &Apache::lonnet::delenv('scantron.');
-     $env{'form.scantron_maxbubble'} =
- 	&Apache::lonxml::get_problem_counter()-1;
+     &save_bubble_lines();
+     $env{'form.scantron_maxbubble'} =
+ 	$total_lines;
      return $env{'form.scantron_maxbubble'};
  }
- Line 5527  sub scantron_validate_missingbubbles {
+ Line 7514  sub scantron_validate_missingbubbles {
      #get scantron line setup
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
      my ($scanlines,$scan_data)=&scantron_getfile();
-     my $max_bubble=&scantron_get_maxbubble();
+     my $nav_error;
+     my $max_bubble=&scantron_get_maxbubble(\$nav_error);
+     if ($nav_error) {
+         return(1,$currentphase);
+     }
      if (!$max_bubble) { $max_bubble=2**31; }
      for (my $i=0;$i<=$scanlines->{'count'};$i++) {
  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
- Line 5536  sub scantron_validate_missingbubbles {
+ Line 7527  sub scantron_validate_missingbubbles {
  						 $scan_data);
  	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
  	my @to_correct;
+ 	# Probably here's where the error is...
  	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
- 	    if ($missing > $max_bubble) { next; }
+             my $lastbubble;
+             if ($missing =~ /^(\d+)\.(\d+)$/) {
+                my $question = $1;
+                my $subquestion = $2;
+                if (!defined($first_bubble_line{$question -1})) { next; }
+                my $first = $first_bubble_line{$question-1};
+                my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+                my $subcount = 1;
+                while ($subcount<$subquestion) {
+                    $first += $subans[$subcount-1];
+                    $subcount ++;
+                }
+                my $count = $subans[$subquestion-1];
+                $lastbubble = $first + $count;
+             } else {
+                 if (!defined($first_bubble_line{$missing - 1})) { next; }
+                 $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1};
+             }
+             if ($lastbubble > $max_bubble) { next; }
  	    push(@to_correct,$missing);
  	}
  	if (@to_correct) {
- Line 5550  sub scantron_validate_missingbubbles {
+ Line 7562  sub scantron_validate_missingbubbles {
      return (0,$currentphase+1);
  }
  sub scantron_process_students {
      my ($r) = @_;
      my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
      my ($symb)=&get_symb($r);
-     if (!$symb) {return '';}
+     if (!$symb) {
+ 	return '';
+     }
      my $default_form_data=&defaultFormData($symb);
      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
- Line 5562  sub scantron_process_students {
+ Line 7578  sub scantron_process_students {
      my $classlist=&Apache::loncoursedata::get_classlist();
      my %idmap=&username_to_idmap($classlist);
      my $navmap=Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         $r->print(&navmap_errormsg());
+         return '';
+     }
      my $map=$navmap->getResourceByUrl($sequence);
      my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
- #    $r->print("geto ".scalar(@resources)."<br />");
+     my (%grader_partids_by_symb,%grader_randomlists_by_symb);
+     &graders_resources_pass(\@resources,\%grader_partids_by_symb,
+                             \%grader_randomlists_by_symb);
+     foreach my $resource (@resources) {
+         my $ressymb = $resource->symb();
+         my ($analysis,$parts) =
+             &scantron_partids_tograde($resource,$env{'request.course.id'},
+                                       $env{'user.name'},$env{'user.domain'},1);
+         $grader_partids_by_symb{$ressymb} = $parts;
+         if (ref($analysis) eq 'HASH') {
+             if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
+                 $grader_randomlists_by_symb{$ressymb} =
+                     $analysis->{'parts_withrandomlist'};
+             }
+         }
+     }
+     my ($uname,$udom);
      my $result= <<SCANTRONFORM;
  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
    <input type="hidden" name="command" value="scantron_configphase" />
- Line 5573  SCANTRONFORM
+ Line 7610  SCANTRONFORM
      $r->print($result);
      my @delayqueue;
-     my %completedstudents;
+     my (%completedstudents,%scandata);
+     my $lock=&Apache::lonnet::set_lock(&mt('Grading bubblesheet exam'));
      my $count=&get_todo_count($scanlines,$scan_data);
-     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
+     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Bubblesheet Status',
-  				    'Scantron Progress',$count,
+  				    'Bubblesheet Progress',$count,
  				    'inline',undef,'scantronupload');
      &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
  					  'Processing first student');
+     $r->print('<br />');
      my $start=&Time::HiRes::time();
      my $i=-1;
-     my ($uname,$udom,$started);
+     my $started;
+     my $nav_error;
+     &scantron_get_maxbubble(\$nav_error); # Need the bubble lines array to parse.
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return '';
+     }
+     # If an ssi failed in scantron_get_maxbubble, put an error message out to
+     # the user and return.
+     if ($ssi_error) {
+ 	$r->print("</form>");
+ 	&ssi_print_error($r);
+ 	$r->print(&show_grading_menu_form($symb));
+         &Apache::lonnet::remove_lock($lock);
+ 	return '';		# Dunno why the other returns return '' rather than just returning.
+     }
+     my %lettdig = &letter_to_digits();
+     my $numletts = scalar(keys(%lettdig));
      while ($i<$scanlines->{'count'}) {
   	($uname,$udom)=('','');
   	$i++;
- Line 5609  SCANTRONFORM
+ Line 7670  SCANTRONFORM
   	}
    	($uname,$udom)=split(/:/,$uname);
+         my %partids_by_symb;
+         foreach my $resource (@resources) {
+             my $ressymb = $resource->symb();
+             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
+                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
+                 my ($analysis,$parts) =
+                     &scantron_partids_tograde($resource,$env{'request.course.id'},$uname,$udom);
+                 $partids_by_symb{$ressymb} = $parts;
+             } else {
+                 $partids_by_symb{$ressymb} = $grader_partids_by_symb{$ressymb};
+             }
+         }
  	&Apache::lonxml::clear_problem_counter();
-   	&Apache::lonnet::appenv(%$scan_record);
+   	&Apache::lonnet::appenv($scan_record);
  	if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
  	    &scantron_putfile($scanlines,$scan_data);
  	}
- 	my $i=0;
+         my $scancode;
- 	foreach my $resource (@resources) {
+         if ((exists($scan_record->{'scantron.CODE'})) &&
- 	    $i++;
+             (&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'}))) {
- 	    my %form=('submitted'     =>'scantron',
+             $scancode = $scan_record->{'scantron.CODE'};
- 		      'grade_target'  =>'grade',
+         } else {
- 		      'grade_username'=>$uname,
+             $scancode = '';
- 		      'grade_domain'  =>$udom,
+         }
- 		      'grade_courseid'=>$env{'request.course.id'},
- 		      'grade_symb'    =>$resource->symb());
+         if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
- 	    if (exists($scan_record->{'scantron.CODE'}) &&
+                                    \@resources,\%partids_by_symb) eq 'ssi_error') {
- 		$scan_record->{'scantron.CODE'}) {
+             $ssi_error = 0; # So end of handler error message does not trigger.
- 		$form{'CODE'}=$scan_record->{'scantron.CODE'};
+             $r->print("</form>");
- 	    } else {
+             &ssi_print_error($r);
- 		$form{'CODE'}='';
+             $r->print(&show_grading_menu_form($symb));
- 	    }
+             &Apache::lonnet::remove_lock($lock);
- 	    my $result=&Apache::lonnet::ssi($resource->src(),%form);
+             return '';      # Why return ''?  Beats me.
- 	    if ($result ne '') {
+         }
- 		&Apache::lonnet::logthis("scantron grading error -> $result");
- 		&Apache::lonnet::logthis("scantron grading error info name $uname domain $udom course $env{'request.course.id'} url ".$resource->src());
- 	    }
- 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
- 	}
  	$completedstudents{$uname}={'line'=>$line};
- 	if (&Apache::loncommon::connection_aborted($r)) { last; }
+         if ($env{'form.verifyrecord'}) {
+             my $lastpos = $env{'form.scantron_maxbubble'}*$scantron_config{'Qlength'};
+             my $studentdata = substr($line,$scantron_config{'Qstart'}-1,$lastpos);
+             chomp($studentdata);
+             $studentdata =~ s/\r$//;
+             my $studentrecord = '';
+             my $counter = -1;
+             foreach my $resource (@resources) {
+                 my $ressymb = $resource->symb();
+                 ($counter,my $recording) =
+                     &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
+                                              $counter,$studentdata,$partids_by_symb{$ressymb},
+                                              \%scantron_config,\%lettdig,$numletts);
+                 $studentrecord .= $recording;
+             }
+             if ($studentrecord ne $studentdata) {
+                 &Apache::lonxml::clear_problem_counter();
+                 if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
+                                            \@resources,\%partids_by_symb) eq 'ssi_error') {
+                     $ssi_error = 0; # So end of handler error message does not trigger.
+                     $r->print("</form>");
+                     &ssi_print_error($r);
+                     $r->print(&show_grading_menu_form($symb));
+                     &Apache::lonnet::remove_lock($lock);
+                     delete($completedstudents{$uname});
+                     return '';
+                 }
+                 $counter = -1;
+                 $studentrecord = '';
+                 foreach my $resource (@resources) {
+                     my $ressymb = $resource->symb();
+                     ($counter,my $recording) =
+                         &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
+                                                  $counter,$studentdata,$partids_by_symb{$ressymb},
+                                                  \%scantron_config,\%lettdig,$numletts);
+                     $studentrecord .= $recording;
+                 }
+                 if ($studentrecord ne $studentdata) {
+                     $r->print('<p><span class="LC_error">');
+                     if ($scancode eq '') {
+                         $r->print(&mt('Mismatch grading bubble sheet for user: [_1] with ID: [_2].',
+                                   $uname.':'.$udom,$scan_record->{'scantron.ID'}));
+                     } else {
+                         $r->print(&mt('Mismatch grading bubble sheet for user: [_1] with ID: [_2] and CODE: [_3].',
+                                   $uname.':'.$udom,$scan_record->{'scantron.ID'},$scancode));
+                     }
+                     $r->print('</span><br />'.&Apache::loncommon::start_data_table()."\n".
+                               &Apache::loncommon::start_data_table_header_row()."\n".
+                               '<th>'.&mt('Source').'</th><th>'.&mt('Bubbled responses').'</th>'.
+                               &Apache::loncommon::end_data_table_header_row()."\n".
+                               &Apache::loncommon::start_data_table_row().
+                               '<td>'.&mt('Bubble Sheet').'</td>'.
+                               '<td><span class="LC_nobreak">'.$studentdata.'</span></td>'.
+                               &Apache::loncommon::end_data_table_row().
+                               &Apache::loncommon::start_data_table_row().
+                               '<td>Stored submissions</td>'.
+                               '<td><span class="LC_nobreak">'.$studentrecord.'</span></td>'."\n".
+                               &Apache::loncommon::end_data_table_row().
+                               &Apache::loncommon::end_data_table().'</p>');
+                 } else {
+                     $r->print('<br /><span class="LC_warning">'.
+                              &mt('A second grading pass was needed for user: [_1] with ID: [_2], because a mismatch was seen on the first pass.',$uname.':'.$udom,$scan_record->{'scantron.ID'}).'<br />'.
+                              &mt("As a consequence, this user's submission history records two tries.").
+                                  '</span><br />');
+                 }
+             }
+         }
+         if (&Apache::loncommon::connection_aborted($r)) { last; }
      } continue {
  	&Apache::lonxml::clear_problem_counter();
- 	&Apache::lonnet::delenv('scantron\.');
+ 	&Apache::lonnet::delenv('scantron.');
      }
      &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+     &Apache::lonnet::remove_lock($lock);
  #    my $lasttime = &Time::HiRes::time()-$start;
  #    $r->print("<p>took $lasttime</p>");
- Line 5653  SCANTRONFORM
+ Line 7791  SCANTRONFORM
      return '';
  }
+ sub graders_resources_pass {
+     my ($resources,$grader_partids_by_symb,$grader_randomlists_by_symb) = @_;
+     if ((ref($resources) eq 'ARRAY') && (ref($grader_partids_by_symb)) &&
+         (ref($grader_randomlists_by_symb) eq 'HASH')) {
+         foreach my $resource (@{$resources}) {
+             my $ressymb = $resource->symb();
+             my ($analysis,$parts) =
+                 &scantron_partids_tograde($resource,$env{'request.course.id'},
+                                           $env{'user.name'},$env{'user.domain'},1);
+             $grader_partids_by_symb->{$ressymb} = $parts;
+             if (ref($analysis) eq 'HASH') {
+                 if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
+                     $grader_randomlists_by_symb->{$ressymb} =
+                         $analysis->{'parts_withrandomlist'};
+                 }
+             }
+         }
+     }
+     return;
+ }
+ sub grade_student_bubbles {
+     my ($r,$uname,$udom,$scan_record,$scancode,$resources,$parts) = @_;
+     if (ref($resources) eq 'ARRAY') {
+         my $count = 0;
+         foreach my $resource (@{$resources}) {
+             my $ressymb = $resource->symb();
+             my %form = ('submitted'      => 'scantron',
+                         'grade_target'   => 'grade',
+                         'grade_username' => $uname,
+                         'grade_domain'   => $udom,
+                         'grade_courseid' => $env{'request.course.id'},
+                         'grade_symb'     => $ressymb,
+                         'CODE'           => $scancode
+                        );
+             if (ref($parts) eq 'HASH') {
+                 if (ref($parts->{$ressymb}) eq 'ARRAY') {
+                     foreach my $part (@{$parts->{$ressymb}}) {
+                         $form{'scantron_questnum_start.'.$part} =
++$env{'form.scantron.first_bubble_line.'.$count};
+                         $count++;
+                     }
+                 }
+             }
+             my $result=&ssi_with_retries($resource->src(),$ssi_retries,%form);
+             return 'ssi_error' if ($ssi_error);
+             last if (&Apache::loncommon::connection_aborted($r));
+         }
+     }
+     return;
+ }
  sub scantron_upload_scantron_data {
      my ($r)=@_;
-     $r->print(&Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'}));
+     my $dom = $env{'request.role.domain'};
+     my $domdesc = &Apache::lonnet::domain($dom,'description');
+     $r->print(&Apache::loncommon::coursebrowser_javascript($dom));
      my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid',
  							  'domainid',
- 							  'coursename');
+ 							  'coursename',$dom);
-     my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'},
+     my $syllabuslink = '<a href="javascript:ToSyllabus();">'.&mt('Syllabus').'</a>'.
- 						   'domainid');
+                        ('&nbsp'x2).&mt('(shows course personnel)');
      my $default_form_data=&defaultFormData(&get_symb($r,1));
-     $r->print(<<UPLOAD);
+     my $nofile_alert = &mt('Please use the browse button to select a file from your local directory.');
+     my $nocourseid_alert = &mt("Please use the 'Select Course' link to open a separate window where you can search for a course to which a file can be uploaded.");
+     $r->print('
  <script type="text/javascript" language="javascript">
      function checkUpload(formname) {
  	if (formname.upfile.value == "") {
- 	    alert("Please use the browse button to select a file from your local directory.");
+ 	    alert("'.$nofile_alert.'");
  	    return false;
  	}
+         if (formname.courseid.value == "") {
+             alert("'.$nocourseid_alert.'");
+             return false;
+         }
  	formname.submit();
      }
+     function ToSyllabus() {
+         var cdom = '."'$dom'".';
+         var cnum = document.rules.courseid.value;
+         if (cdom == "" || cdom == null) {
+             return;
+         }
+         if (cnum == "" || cnum == null) {
+            return;
+         }
+         syllwin=window.open("/public/"+cdom+"/"+cnum+"/syllabus","LONCAPASyllabus",
+                             "height=350,width=350,scrollbars=yes,menubar=no");
+         return;
+     }
  </script>
- <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
+ <h3>'.&mt('Send scanned bubblesheet data to a course').'</h3>
- $default_form_data
- <table>
+ <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
- <tr><td>$select_link </td></tr>
+ '.$default_form_data.
- <tr><td>Course ID:   </td><td><input name='courseid' type='text' />  </td></tr>
+   &Apache::lonhtmlcommon::start_pick_box().
- <tr><td>Course Name: </td><td><input name='coursename' type='text' /></td></tr>
+   &Apache::lonhtmlcommon::row_title(&mt('Course ID')).
- <tr><td>Domain:      </td><td>$domsel                                </td></tr>
+   '<input name="courseid" type="text" size="30" />'.$select_link.
- <tr><td>File to upload:</td><td><input type="file" name="upfile" size="50" /></td></tr>
+   &Apache::lonhtmlcommon::row_closure().
- </table>
+   &Apache::lonhtmlcommon::row_title(&mt('Course Name')).
- <input name='command' value='scantronupload_save' type='hidden' />
+   '<input name="coursename" type="text" size="30" />'.$syllabuslink.
- <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
+   &Apache::lonhtmlcommon::row_closure().
+   &Apache::lonhtmlcommon::row_title(&mt('Domain')).
+   '<input name="domainid" type="hidden" />'.$domdesc.
+   &Apache::lonhtmlcommon::row_closure().
+   &Apache::lonhtmlcommon::row_title(&mt('File to upload')).
+   '<input type="file" name="upfile" size="50" />'.
+   &Apache::lonhtmlcommon::row_closure(1).
+   &Apache::lonhtmlcommon::end_pick_box().'<br />
+ <input name="command" value="scantronupload_save" type="hidden" />
+ <input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Bubblesheet Data').'" />
  </form>
- UPLOAD
+ ');
      return '';
  }
  sub scantron_upload_scantron_data_save {
      my($r)=@_;
      my ($symb)=&get_symb($r,1);
      my $doanotherupload=
  	'<br /><form action="/adm/grades" method="post">'."\n".
  	'<input type="hidden" name="command" value="scantronupload" />'."\n".
- 	'<input type="submit" name="submit" value="Do Another Upload" />'."\n".
+ 	'<input type="submit" name="submit" value="'.&mt('Do Another Upload').'" />'."\n".
  	'</form>'."\n";
      if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
  	!&Apache::lonnet::allowed('usc',
  			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
- 	$r->print("You are not allowed to upload Scantron data to the requested course.<br />");
+ 	$r->print(&mt("You are not allowed to upload bubblesheet data to the requested course.")."<br />");
  	if ($symb) {
  	    $r->print(&show_grading_menu_form($symb));
  	} else {
- Line 5709  sub scantron_upload_scantron_data_save {
+ Line 7933  sub scantron_upload_scantron_data_save {
  	return '';
      }
      my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
-     $r->print("Doing upload to ".$coursedata{'description'}." <br />");
+     my $uploadedfile;
-     my $fname=$env{'form.upfile.filename'};
+     $r->print('<h3>'.&mt("Uploading file to [_1]",$coursedata{'description'}).'</h3>');
-     #FIXME
-     #copied from lonnet::userfileupload()
-     #make that function able to target a specified course
-     # Replace Windows backslashes by forward slashes
-     $fname=~s/\\/\//g;
-     # Get rid of everything but the actual filename
-     $fname=~s/^.*\/([^\/]+)$/$1/;
-     # Replace spaces by underscores
-     $fname=~s/\s+/\_/g;
-     # Replace all other weird characters by nothing
-     $fname=~s/[^\w\.\-]//g;
-     # See if there is anything left
-     unless ($fname) { return 'error: no uploaded file'; }
-     my $uploadedfile=$fname;
-     $fname='scantron_orig_'.$fname;
      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.");
+         $r->print(&mt('[_1]Error:[_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.','<span class="LC_error">','</span>','<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>'));
      } else {
- 	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
+         my $result =
- 	if ($result =~ m|^/uploaded/|) {
+             &Apache::lonnet::userfileupload('upfile','','scantron','','','',
- 	    $r->print("<font color='green'>Success:</font> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
+                                             $env{'form.courseid'},$env{'form.domainid'});
+ 	if ($result =~ m{^/uploaded/}) {
+ 	    $r->print(&mt('[_1]Success:[_2] Successfully uploaded [_3] bytes of data into location: [_4]',
+                           '<span class="LC_success">','</span>',(length($env{'form.upfile'})-1),
+ 			  '<span class="LC_filename">'.$result.'</span>'));
+             ($uploadedfile) = ($result =~ m{/([^/]+)$});
+             $r->print(&validate_uploaded_scantron_file($env{'form.domainid'},
+                                                        $env{'form.courseid'},$uploadedfile));
  	} else {
- 	    $r->print("<font color='red'>Error:</font> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>");
+ 	    $r->print(&mt('[_1]Error:[_2] An error ([_3]) occurred when attempting to upload the file, [_4]',
+                           '<span class="LC_error">','</span>',$result,
+ 			  '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>'));
  	}
      }
      if ($symb) {
- Line 5744  sub scantron_upload_scantron_data_save {
+ Line 7962  sub scantron_upload_scantron_data_save {
      return '';
  }
+ sub validate_uploaded_scantron_file {
+     my ($cdom,$cname,$fname) = @_;
+     my $scanlines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.$fname);
+     my @lines;
+     if ($scanlines ne '-1') {
+         @lines=split("\n",$scanlines,-1);
+     }
+     my $output;
+     if (@lines) {
+         my (%counts,$max_match_format);
+         my ($max_match_count,$max_match_pct) = (0,0);
+         my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cname);
+         my %idmap = &username_to_idmap($classlist);
+         foreach my $key (keys(%idmap)) {
+             my $lckey = lc($key);
+             $idmap{$lckey} = $idmap{$key};
+         }
+         my %unique_formats;
+         my @formatlines = &get_scantronformat_file();
+         foreach my $line (@formatlines) {
+             chomp($line);
+             my @config = split(/:/,$line);
+             my $idstart = $config[5];
+             my $idlength = $config[6];
+             if (($idstart ne '') && ($idlength > 0)) {
+                 if (ref($unique_formats{$idstart.':'.$idlength}) eq 'ARRAY') {
+                     push(@{$unique_formats{$idstart.':'.$idlength}},$config[0].':'.$config[1]);
+                 } else {
+                     $unique_formats{$idstart.':'.$idlength} = [$config[0].':'.$config[1]];
+                 }
+             }
+         }
+         foreach my $key (keys(%unique_formats)) {
+             my ($idstart,$idlength) = split(':',$key);
+             %{$counts{$key}} = (
+                                'found'   => 0,
+                                'total'   => 0,
+                               );
+             foreach my $line (@lines) {
+                 next if ($line =~ /^#/);
+                 next if ($line =~ /^[\s\cz]*$/);
+                 my $id = substr($line,$idstart-1,$idlength);
+                 $id = lc($id);
+                 if (exists($idmap{$id})) {
+                     $counts{$key}{'found'} ++;
+                 }
+                 $counts{$key}{'total'} ++;
+             }
+             if ($counts{$key}{'total'}) {
+                 my $percent_match = (100*$counts{$key}{'found'})/($counts{$key}{'total'});
+                 if (($max_match_format eq '') || ($percent_match > $max_match_pct)) {
+                     $max_match_pct = $percent_match;
+                     $max_match_format = $key;
+                     $max_match_count = $counts{$key}{'total'};
+                 }
+             }
+         }
+         if (ref($unique_formats{$max_match_format}) eq 'ARRAY') {
+             my $format_descs;
+             my $numwithformat = @{$unique_formats{$max_match_format}};
+             for (my $i=0; $i<$numwithformat; $i++) {
+                 my ($name,$desc) = split(':',$unique_formats{$max_match_format}[$i]);
+                 if ($i<$numwithformat-2) {
+                     $format_descs .= '"<i>'.$desc.'</i>", ';
+                 } elsif ($i==$numwithformat-2) {
+                     $format_descs .= '"<i>'.$desc.'</i>" '.&mt('and').' ';
+                 } elsif ($i==$numwithformat-1) {
+                     $format_descs .= '"<i>'.$desc.'</i>"';
+                 }
+             }
+             my $showpct = sprintf("%.0f",$max_match_pct).'%';
+             $output .= '<br />'.&mt('Comparison of student IDs in the uploaded file with the course roster found matches for [_1] of the [_2] entries in the file (for the format defined for [_3]).','<b>'.$showpct.'</b>','<b>'.$max_match_count.'</b>',$format_descs).
+                        '<br />'.&mt('A low percentage of matches results from one of the following:').'<ul>'.
+                        '<li>'.&mt('The file was uploaded to the wrong course').'</li>'.
+                        '<li>'.&mt('The data are not in the format expected for the domain: [_1]',
+                                   '<i>'.$cdom.'</i>').'</li>'.
+                        '<li>'.&mt('Students did not bubble their IDs, or mis-bubbled them').'</li>'.
+                        '<li>'.&mt('The course roster is not up to date').'</li>'.
+                        '</ul>';
+         }
+     } else {
+         $output = '<span class="LC_warning">'.&mt('Uploaded file contained no data').'</span>';
+     }
+     return $output;
+ }
  sub valid_file {
      my ($requested_file)=@_;
      foreach my $filename (sort(&scantron_filenames())) {
- Line 5759  sub scantron_download_scantron_data {
+ Line 8063  sub scantron_download_scantron_data {
      my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
      my $file=$env{'form.scantron_selectfile'};
      if (! &valid_file($file)) {
- 	$r->print(<<ERROR);
+ 	$r->print('
  	<p>
- 	    The requested file name was invalid.
+ 	    '.&mt('The requested file name was invalid.').'
          </p>
- ERROR
+ ');
  	$r->print(&show_grading_menu_form(&get_symb($r,1)));
  	return;
      }
- Line 5773  ERROR
+ Line 8077  ERROR
      &Apache::lonnet::allowuploaded('/adm/grades',$orig);
      &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
      &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
-     $r->print(<<DOWNLOAD);
+     $r->print('
      <p>
- 	<a href="$orig">Original</a> file as uploaded by the scantron office.
+ 	'.&mt('[_1]Original[_2] file as uploaded by the scantron office.',
+ 	      '<a href="'.$orig.'">','</a>').'
      </p>
      <p>
- 	<a href="$corrected">Corrections</a>, a file of corrected records that were used in grading.
+ 	'.&mt('[_1]Corrections[_2], a file of corrected records that were used in grading.',
+ 	      '<a href="'.$corrected.'">','</a>').'
      </p>
      <p>
- 	<a href="$skipped">Skipped</a>, a file of records that were skipped.
+ 	'.&mt('[_1]Skipped[_2], a file of records that were skipped.',
+ 	      '<a href="'.$skipped.'">','</a>').'
      </p>
- DOWNLOAD
+ ');
      $r->print(&show_grading_menu_form(&get_symb($r,1)));
      return '';
  }
+ sub checkscantron_results {
+     my ($r) = @_;
+     my ($symb)=&get_symb($r);
+     if (!$symb) {return '';}
+     my $grading_menu_button=&show_grading_menu_form($symb);
+     my $cid = $env{'request.course.id'};
+     my %lettdig = &letter_to_digits();
+     my $numletts = scalar(keys(%lettdig));
+     my $cnum = $env{'course.'.$cid.'.num'};
+     my $cdom = $env{'course.'.$cid.'.domain'};
+     my (undef, undef, $sequence) = &Apache::lonnet::decode_symb($env{'form.selectpage'});
+     my %record;
+     my %scantron_config =
+         &Apache::grades::get_scantron_config($env{'form.scantron_format'});
+     my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile();
+     my $classlist=&Apache::loncoursedata::get_classlist();
+     my %idmap=&Apache::grades::username_to_idmap($classlist);
+     my $navmap=Apache::lonnavmaps::navmap->new();
+     unless (ref($navmap)) {
+         $r->print(&navmap_errormsg());
+         return '';
+     }
+     my $map=$navmap->getResourceByUrl($sequence);
+     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
+     my (%grader_partids_by_symb,%grader_randomlists_by_symb);
+     &graders_resources_pass(\@resources,\%grader_partids_by_symb,                             \%grader_randomlists_by_symb);
+     my ($uname,$udom);
+     my (%scandata,%lastname,%bylast);
+     $r->print('
+ <form method="post" enctype="multipart/form-data" action="/adm/grades" name="checkscantron">'."\n");
+     my @delayqueue;
+     my %completedstudents;
+     my $count=&Apache::grades::get_todo_count($scanlines,$scan_data);
+     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Bubblesheet/Submissions Comparison Status',
+                                     'Progress of Bubblesheet Data/Submission Records Comparison',$count,
+                                     'inline',undef,'checkscantron');
+     my ($username,$domain,$started);
+     my $nav_error;
+     &scantron_get_maxbubble(\$nav_error); # Need the bubble lines array to parse.
+     if ($nav_error) {
+         $r->print(&navmap_errormsg());
+         return '';
+     }
+     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+                                           'Processing first student');
+     my $start=&Time::HiRes::time();
+     my $i=-1;
+     while ($i<$scanlines->{'count'}) {
+         ($username,$domain,$uname)=('','','');
+         $i++;
+         my $line=&Apache::grades::scantron_get_line($scanlines,$scan_data,$i);
+         if ($line=~/^[\s\cz]*$/) { next; }
+         if ($started) {
+             &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+                                                      'last student');
+         }
+         $started=1;
+         my $scan_record=
+             &Apache::grades::scantron_parse_scanline($line,$i,\%scantron_config,
+                                                      $scan_data);
+         unless ($uname=&Apache::grades::scantron_find_student($scan_record,$scan_data,
+                                                               \%idmap,$i)) {
+             &Apache::grades::scantron_add_delay(\@delayqueue,$line,
+                                 'Unable to find a student that matches',1);
+             next;
+         }
+         if (exists $completedstudents{$uname}) {
+             &Apache::grades::scantron_add_delay(\@delayqueue,$line,
+                                 'Student '.$uname.' has multiple sheets',2);
+             next;
+         }
+         my $pid = $scan_record->{'scantron.ID'};
+         $lastname{$pid} = $scan_record->{'scantron.LastName'};
+         push(@{$bylast{$lastname{$pid}}},$pid);
+         my $lastpos = $env{'form.scantron_maxbubble'}*$scantron_config{'Qlength'};
+         $scandata{$pid} = substr($line,$scantron_config{'Qstart'}-1,$lastpos);
+         chomp($scandata{$pid});
+         $scandata{$pid} =~ s/\r$//;
+         ($username,$domain)=split(/:/,$uname);
+         my $counter = -1;
+         foreach my $resource (@resources) {
+             my $parts;
+             my $ressymb = $resource->symb();
+             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
+                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
+                 (my $analysis,$parts) =
+                     &scantron_partids_tograde($resource,$env{'request.course.id'},$username,$domain);
+             } else {
+                 $parts = $grader_partids_by_symb{$ressymb};
+             }
+             ($counter,my $recording) =
+                 &verify_scantron_grading($resource,$domain,$username,$cid,$counter,
+                                          $scandata{$pid},$parts,
+                                          \%scantron_config,\%lettdig,$numletts);
+             $record{$pid} .= $recording;
+         }
+     }
+     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+     $r->print('<br />');
+     my ($okstudents,$badstudents,$numstudents,$passed,$failed);
+     $passed = 0;
+     $failed = 0;
+     $numstudents = 0;
+     foreach my $last (sort(keys(%bylast))) {
+         if (ref($bylast{$last}) eq 'ARRAY') {
+             foreach my $pid (sort(@{$bylast{$last}})) {
+                 my $showscandata = $scandata{$pid};
+                 my $showrecord = $record{$pid};
+                 $showscandata =~ s/\s/&nbsp;/g;
+                 $showrecord =~ s/\s/&nbsp;/g;
+                 if ($scandata{$pid} eq $record{$pid}) {
+                     my $css_class = ($passed % 2)?'LC_odd_row':'LC_even_row';
+                     $okstudents .= '<tr class="'.$css_class.'">'.
+ '<td>'.&mt('Bubblesheet').'</td><td>'.$showscandata.'</td><td rowspan="2">'.$last.'</td><td rowspan="2">'.$pid.'</td>'."\n".
+ '</tr>'."\n".
+ '<tr class="'.$css_class.'">'."\n".
+ '<td>Submissions</td><td>'.$showrecord.'</td></tr>'."\n";
+                     $passed ++;
+                 } else {
+                     my $css_class = ($failed % 2)?'LC_odd_row':'LC_even_row';
+                     $badstudents .= '<tr class="'.$css_class.'"><td>'.&mt('Bubblesheet').'</td><td><span class="LC_nobreak">'.$scandata{$pid}.'</span></td><td rowspan="2">'.$last.'</td><td rowspan="2">'.$pid.'</td>'."\n".
+ '</tr>'."\n".
+ '<tr class="'.$css_class.'">'."\n".
+ '<td>Submissions</td><td><span class="LC_nobreak">'.$record{$pid}.'</span></td>'."\n".
+ '</tr>'."\n";
+                     $failed ++;
+                 }
+                 $numstudents ++;
+             }
+         }
+     }
+     $r->print('<p>'.&mt('Comparison of bubblesheet data (including corrections) with corresponding submission records (most recent submission) for <b>[quant,_1,student]</b>  ([_2] scantron lines/student).',$numstudents,$env{'form.scantron_maxbubble'}).'</p>');
+     $r->print('<p>'.&mt('Exact matches for <b>[quant,_1,student]</b>.',$passed).'<br />'.&mt('Discrepancies detected for <b>[quant,_1,student]</b>.',$failed).'</p>');
+     if ($passed) {
+         $r->print(&mt('Students with exact correspondence between bubblesheet data and submissions are as follows:').'<br /><br />');
+         $r->print(&Apache::loncommon::start_data_table()."\n".
+                  &Apache::loncommon::start_data_table_header_row()."\n".
+                  '<th>'.&mt('Source').'</th><th>'.&mt('Bubble records').'</th><th>'.&mt('Name').'</th><th>'.&mt('ID').'</th>'.
+                  &Apache::loncommon::end_data_table_header_row()."\n".
+                  $okstudents."\n".
+                  &Apache::loncommon::end_data_table().'<br />');
+     }
+     if ($failed) {
+         $r->print(&mt('Students with differences between bubblesheet data and submissions are as follows:').'<br /><br />');
+         $r->print(&Apache::loncommon::start_data_table()."\n".
+                  &Apache::loncommon::start_data_table_header_row()."\n".
+                  '<th>'.&mt('Source').'</th><th>'.&mt('Bubble records').'</th><th>'.&mt('Name').'</th><th>'.&mt('ID').'</th>'.
+                  &Apache::loncommon::end_data_table_header_row()."\n".
+                  $badstudents."\n".
+                  &Apache::loncommon::end_data_table()).'<br />'.
+                  &mt('Differences can occur if submissions were modified using manual grading after a bubblesheet grading pass.').'<br />'.&mt('If unexpected discrepancies were detected, it is recommended that you inspect the original bubblesheets.');
+     }
+     $r->print('</form><br />'.$grading_menu_button);
+     return;
+ }
+ sub verify_scantron_grading {
+     my ($resource,$domain,$username,$cid,$counter,$scandata,$partids,
+         $scantron_config,$lettdig,$numletts) = @_;
+     my ($record,%expected,%startpos);
+     return ($counter,$record) if (!ref($resource));
+     return ($counter,$record) if (!$resource->is_problem());
+     my $symb = $resource->symb();
+     return ($counter,$record) if (ref($partids) ne 'ARRAY');
+     foreach my $part_id (@{$partids}) {
+         $counter ++;
+         $expected{$part_id} = 0;
+         if ($env{"form.scantron.sub_bubblelines.$counter"}) {
+             my @sub_lines = split(/,/,$env{"form.scantron.sub_bubblelines.$counter"});
+             foreach my $item (@sub_lines) {
+                 $expected{$part_id} += $item;
+             }
+         } else {
+             $expected{$part_id} = $env{"form.scantron.bubblelines.$counter"};
+         }
+         $startpos{$part_id} = $env{"form.scantron.first_bubble_line.$counter"};
+     }
+     if ($symb) {
+         my %recorded;
+         my (%returnhash) = &Apache::lonnet::restore($symb,$cid,$domain,$username);
+         if ($returnhash{'version'}) {
+             my %lasthash=();
+             my $version;
+             for ($version=1;$version<=$returnhash{'version'};$version++) {
+                 foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
+                     $lasthash{$key}=$returnhash{$version.':'.$key};
+                 }
+             }
+             foreach my $key (keys(%lasthash)) {
+                 if ($key =~ /\.scantron$/) {
+                     my $value = &unescape($lasthash{$key});
+                     my ($part_id) = ($key =~ /^resource\.(.+)\.scantron$/);
+                     if ($value eq '') {
+                         for (my $i=0; $i<$expected{$part_id}; $i++) {
+                             for (my $j=0; $j<$scantron_config->{'length'}; $j++) {
+                                 $recorded{$part_id} .= $scantron_config->{'Qoff'};
+                             }
+                         }
+                     } else {
+                         my @tocheck;
+                         my @items = split(//,$value);
+                         if (($scantron_config->{'Qon'} eq 'letter') ||
+                             ($scantron_config->{'Qon'} eq 'number')) {
+                             if (@items < $expected{$part_id}) {
+                                 my $fragment = substr($scandata,$startpos{$part_id},$expected{$part_id});
+                                 my @singles = split(//,$fragment);
+                                 foreach my $pos (@singles) {
+                                     if ($pos eq ' ') {
+                                         push(@tocheck,$pos);
+                                     } else {
+                                         my $next = shift(@items);
+                                         push(@tocheck,$next);
+                                     }
+                                 }
+                             } else {
+                                 @tocheck = @items;
+                             }
+                             foreach my $letter (@tocheck) {
+                                 if ($scantron_config->{'Qon'} eq 'letter') {
+                                     if ($letter !~ /^[A-J]$/) {
+                                         $letter = $scantron_config->{'Qoff'};
+                                     }
+                                     $recorded{$part_id} .= $letter;
+                                 } elsif ($scantron_config->{'Qon'} eq 'number') {
+                                     my $digit;
+                                     if ($letter !~ /^[A-J]$/) {
+                                         $digit = $scantron_config->{'Qoff'};
+                                     } else {
+                                         $digit = $lettdig->{$letter};
+                                     }
+                                     $recorded{$part_id} .= $digit;
+                                 }
+                             }
+                         } else {
+                             @tocheck = @items;
+                             for (my $i=0; $i<$expected{$part_id}; $i++) {
+                                 my $curr_sub = shift(@tocheck);
+                                 my $digit;
+                                 if ($curr_sub =~ /^[A-J]$/) {
+                                     $digit = $lettdig->{$curr_sub}-1;
+                                 }
+                                 if ($curr_sub eq 'J') {
+                                     $digit += scalar($numletts);
+                                 }
+                                 for (my $j=0; $j<$scantron_config->{'Qlength'}; $j++) {
+                                     if ($j == $digit) {
+                                         $recorded{$part_id} .= $scantron_config->{'Qon'};
+                                     } else {
+                                         $recorded{$part_id} .= $scantron_config->{'Qoff'};
+                                     }
+                                 }
+                             }
+                         }
+                     }
+                 }
+             }
+         }
+         foreach my $part_id (@{$partids}) {
+             if ($recorded{$part_id} eq '') {
+                 for (my $i=0; $i<$expected{$part_id}; $i++) {
+                     for (my $j=0; $j<$scantron_config->{'Qlength'}; $j++) {
+                         $recorded{$part_id} .= $scantron_config->{'Qoff'};
+                     }
+                 }
+             }
+             $record .= $recorded{$part_id};
+         }
+     }
+     return ($counter,$record);
+ }
+ sub letter_to_digits {
+     my %lettdig = (
+                     A => 1,
+                     B => 2,
+                     C => 3,
+                     D => 4,
+                     E => 5,
+                     F => 6,
+                     G => 7,
+                     H => 8,
+                     I => 9,
+                     J => 0,
+                   );
+     return %lettdig;
+ }
  #-------- end of section for handling grading scantron forms -------
  #
  #-------------------------------------------------------------------
- Line 5798  DOWNLOAD
+ Line 8398  DOWNLOAD
  sub show_grading_menu_form {
      my ($symb)=@_;
      my $result.='<br /><form action="/adm/grades" method="post">'."\n".
- 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
  	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
- 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
+ 	'<input type="submit" name="submit" value="'.&mt('Grading Menu').'" />'."\n".
  	'</form>'."\n";
      return $result;
  }
- Line 5818  sub savedState {
+ Line 8418  sub savedState {
      return \%savedState;
  }
- #--- Displays the main menu page -------
+ sub grading_menu {
- sub gradingmenu {
+     my ($request) = @_;
+     my ($symb)=&get_symb($request);
+     if (!$symb) {return '';}
+     my $probTitle = &Apache::lonnet::gettitle($symb);
+     my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
+     $request->print($table);
+     my %fields = ('symb'=>&Apache::lonenc::check_encrypt($symb),
+                   'handgrade'=>$hdgrade,
+                   'probTitle'=>$probTitle,
+                   'command'=>'submit_options',
+                   'saveState'=>"",
+                   'gradingMenu'=>1,
+                   'showgrading'=>"yes");
+     my $url1 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+     $fields{'command'} = 'csvform';
+     my $url2 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+     $fields{'command'} = 'processclicker';
+     my $url3 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+     $fields{'command'} = 'scantron_selectphase';
+     my $url4 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+     my @menu = ({	categorytitle=>'Course Grading',
+             items =>[
+                         {	linktext => 'Manual Grading/View Submissions',
+                     		url => $url1,
+                     		permission => 'F',
+                     		icon => 'edit-find-replace.png',
+                     		linktitle => 'Start the process of hand grading submissions.'
+                         },
+                 	    {	linktext => 'Upload Scores',
+                     		url => $url2,
+                     		permission => 'F',
+                     		icon => 'uploadscores.png',
+                     		linktitle => 'Specify a file containing the class scores for current resource.'
+                 	    },
+                 	    {	linktext => 'Process Clicker',
+                     		url => $url3,
+                     		permission => 'F',
+                     		icon => 'addClickerInfoFile.png',
+                     		linktitle => 'Specify a file containing the clicker information for this resource.'
+                 	    },
+                 	    {	linktext => 'Grade/Manage/Review Bubblesheet Forms',
+                     		url => $url4,
+                     		permission => 'F',
+                     		icon => 'stat.png',
+                     		linktitle => 'Grade scantron exams, upload/download scantron data files, and review previously graded scantron exams.'
+                 	    }
+                     ]
+             });
+     #$fields{'command'} = 'verify';
+     #$url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+     #
+     # Create the menu
+     my $Str;
+     # $Str .= '<h2>'.&mt('Please select a grading task').'</h2>';
+     $Str .= '<form method="post" action="" name="gradingMenu">';
+     $Str .= '<input type="hidden" name="command" value="" />'.
+     	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
+ 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
+ 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
+ 	'<input type="hidden" name="saveState"   value="" />'."\n".
+ 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
+ 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
+     $Str .= Apache::lonhtmlcommon::generate_menu(@menu);
+     #$menudata->{'jscript'}
+     $Str .='<hr /><input type="button" value="'.&mt('Verify Receipt').'" '.
+         ' onClick="javascript:checkChoice(document.forms.gradingMenu,\'5\',\'verify\')" '.
+         ' /> '.
+         &Apache::lonnet::recprefix($env{'request.course.id'}).
+         '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />';
+     $Str .="</form>\n";
+     my $receiptalert = &mt("Please enter a receipt number given by a student in the receipt box.");
+     $request->print(<<GRADINGMENUJS);
+ <script type="text/javascript" language="javascript">
+     function checkChoice(formname,val,cmdx) {
+ 	if (val <= 2) {
+ 	    var cmd = radioSelection(formname.radioChoice);
+ 	    var cmdsave = cmd;
+ 	} else {
+ 	    cmd = cmdx;
+ 	    cmdsave = 'submission';
+ 	}
+ 	formname.command.value = cmd;
+ 	if (val < 5) formname.submit();
+ 	if (val == 5) {
+ 	    if (!checkReceiptNo(formname,'notOK')) {
+ 	        return false;
+ 	    } else {
+ 	        formname.submit();
+ 	    }
+ 	}
+     }
+     function checkReceiptNo(formname,nospace) {
+ 	var receiptNo = formname.receipt.value;
+ 	var checkOpt = false;
+ 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
+ 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
+ 	if (checkOpt) {
+ 	    alert("$receiptalert");
+ 	    formname.receipt.value = "";
+ 	    formname.receipt.focus();
+ 	    return false;
+ 	}
+ 	return true;
+     }
+ </script>
+ GRADINGMENUJS
+     &commonJSfunctions($request);
+     return $Str;
+ }
+ #--- Displays the submissions first page -------
+ sub submit_options {
      my ($request) = @_;
      my ($symb)=&get_symb($request);
      if (!$symb) {return '';}
      my $probTitle = &Apache::lonnet::gettitle($symb);
+     my $receiptalert = &mt("Please enter a receipt number given by a student in the receipt box.");
      $request->print(<<GRADINGMENUJS);
  <script type="text/javascript" language="javascript">
      function checkChoice(formname,val,cmdx) {
- Line 5852  sub gradingmenu {
+ Line 8575  sub gradingmenu {
  	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
  	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
  	if (checkOpt) {
- 	    alert("Please enter a receipt number given by a student in the receipt box.");
+ 	    alert("$receiptalert");
  	    formname.receipt.value = "";
  	    formname.receipt.focus();
  	    return false;
- Line 5862  sub gradingmenu {
+ Line 8585  sub gradingmenu {
  </script>
  GRADINGMENUJS
      &commonJSfunctions($request);
-     my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
      my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
-     $result.=$table;
+     my $result;
      my (undef,$sections) = &getclasslist('all','0');
      my $savedState = &savedState();
      my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
- Line 5872  GRADINGMENUJS
+ Line 8594  GRADINGMENUJS
      my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
      my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
+     # Preselect sections
+     my $selsec="";
+     if (ref($sections)) {
+         foreach my $section (sort(@$sections)) {
+             $selsec.='<option value="'.$section.'" '.
+                 ($saveSec eq $section ? 'selected="selected"':'').'>'.$section.'</option>'."\n";
+         }
+     }
      $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
- 	'<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
+ 	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
  	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
  	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
  	'<input type="hidden" name="command"     value="" />'."\n".
- Line 5881  GRADINGMENUJS
+ Line 8612  GRADINGMENUJS
  	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
  	'<input type="hidden" name="showgrading" value="yes" />'."\n";
-     $result.='<table width="100%" border="0"><tr><td bgcolor=#777777>'."\n".
+     $result.='
- 	'<table width="100%" border="0"><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
+ <h2>
- 	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
+   '.&mt('Grade Current Resource').'
- 	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
+ </h2>
+ <div>
-     $result.='<table width="100%" border="0">';
+   '.$table.'
-     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
+ </div>
- 	'&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
-     if (ref($sections)) {
+ <div class="LC_columnSection">
- 	foreach (sort (@$sections)) {
- 	    $result.='<option value="'.$_.'" '.
+     <fieldset>
- 		($saveSec eq $_ ? 'selected="on"':'').'>'.$_.'</option>'."\n";
+       <legend>
- 	}
+        '.&mt('Sections').'
-     }
+       </legend>
-     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</option></select> &nbsp; ';
+       <select name="section" multiple="multiple" size="5">'."\n";
+     $result.= $selsec;
-     $result.=&mt('Student Status').':</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
+     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="selected"' : ''). '>all</option></select> &nbsp; ';
+     $result.='
-     $result.='</td></tr>';
+     </fieldset>
-     $result.='<tr bgcolor="#ffffe6"valign="top"><td><label>'.
+     <fieldset>
- 	'<input type="radio" name="radioChoice" value="submission" '.
+       <legend>
- 	($saveCmd eq 'submission' ? 'checked' : '').' /> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
+         '.&mt('Groups').'
- 	'</label> <select name="submitonly">'.
+       </legend>
- 	'<option value="yes" '.
+       '.&Apache::lonstatistics::GroupSelect('group','multiple',5).'
- 	($saveSub eq 'yes' ? 'selected="on"' : '').' />'.&mt('with submissions').'</option>'.
+     </fieldset>
- 	'<option value="queued" '.
- 	($saveSub eq 'queued' ? 'selected="on"' : '').' />'.&mt('in grading queue').'</option>'.
+     <fieldset>
- 	'<option value="graded" '.
+       <legend>
- 	($saveSub eq 'graded' ? 'selected="on"' : '').' />'.&mt('with ungraded submissions').'</option>'.
+         '.&mt('Access Status').'
- 	'<option value="incorrect" '.
+       </legend>
- 	($saveSub eq 'incorrect' ? 'selected="on"' : '').' />'.&mt('with incorrect submissions').'</option>'.
+       '.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,5,undef,'mult').'
- 	'<option value="all" '.
+     </fieldset>
- 	($saveSub eq 'all' ? 'selected="on"' : '').' />'.&mt('with any status').'</option></select></td></tr>'."\n";
+     <fieldset>
-     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+       <legend>
- 	'<label><input type="radio" name="radioChoice" value="viewgrades" '.
+         '.&mt('Submission Status').'
- 	($saveCmd eq 'viewgrades' ? 'checked' : '').' /> '.
+       </legend>
- 	'<b>Current Resource:</b> For all students in selected section or course</label></td></tr>'."\n";
+       <select name="submitonly" size="5">
+ 	         <option value="yes" '.      ($saveSub eq 'yes'       ? 'selected="selected"' : '').'>'.&mt('with submissions').'</option>
-     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
+ 	         <option value="queued" '.   ($saveSub eq 'queued'    ? 'selected="selected"' : '').'>'.&mt('in grading queue').'</option>
- 	'<label><input type="radio" name="radioChoice" value="pickStudentPage" '.
+ 	         <option value="graded" '.   ($saveSub eq 'graded'    ? 'selected="selected"' : '').'>'.&mt('with ungraded submissions').'</option>
- 	($saveCmd eq 'pickStudentPage' ? 'checked' : '').' /> '.
+ 	         <option value="incorrect" '.($saveSub eq 'incorrect' ? 'selected="selected"' : '').'>'.&mt('with incorrect submissions').'</option>
- 	'The <b>complete</b> set/page/sequence: For one student</label></td></tr>'."\n";
+                  <option value="all" '.      ($saveSub eq 'all'       ? 'selected="selected"' : '').'>'.&mt('with any status').'</option>
+       </select>
-     $result.='<tr bgcolor="#ffffe6"><td><br />'.
+     </fieldset>
- 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
- 	'</td></tr></table>'."\n";
+ </div>
-     $result.='</td><td valign="top">';
-     $result.='<table width="100%" border="0">';
-     $result.='<tr bgcolor="#ffffe6"><td>'.
- 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="'.&mt('Upload').'" />'.
- 	' '.&mt('scores from file').' </td></tr>'."\n";
-     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
- 	'<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
- 	'" value="'.&mt('Grade').'" /> scantron forms</td></tr>'."\n";
-     if ((&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) && ($symb)) {
- 	$result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
- 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="'.&mt('Verify').'" />'.
- 	    ' '.&mt('receipt').': '.
- 	    &Apache::lonnet::recprefix($env{'request.course.id'}).
- 	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />'.
- 	    '</td></tr>'."\n";
-     }
-     $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".
+ <br />
- 	'</td></tr></table>'."\n".
+           <div>
- 	'</td></tr></table>'."\n";
+             <div>
+               <label>
+                 <input type="radio" name="radioChoice" value="submission" '.
+                   ($saveCmd eq 'submission' ? 'checked="checked"' : '').' /> '.
+              &mt('Select individual students to grade and view submissions.').'
+ 	      </label>
+             </div>
+             <div>
+ 	      <label>
+                 <input type="radio" name="radioChoice" value="viewgrades" '.
+                   ($saveCmd eq 'viewgrades' ? 'checked="checked"' : '').' /> '.
+                     &mt('Grade all selected students in a grading table.').'
+               </label>
+             </div>
+             <div>
+ 	      <input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="'.&mt('Next').' &rarr;" />
+             </div>
+           </div>
+         <h2>
+          '.&mt('Grade Complete Folder for One Student').'
+         </h2>
+         <div>
+             <div>
+               <label>
+                 <input type="radio" name="radioChoice" value="pickStudentPage" '.
+ 	  ($saveCmd eq 'pickStudentPage' ? 'checked="checked"' : '').' /> '.
+   &mt('The <b>complete</b> page/sequence/folder: For one student').'
+               </label>
+             </div>
+             <div>
+ 	      <input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="'.&mt('Next').' &rarr;" />
+             </div>
+         </div>
+   </form>';
+     $result .= &show_grading_menu_form($symb);
      return $result;
  }
- Line 5984  sub init_perm {
+ Line 8725  sub init_perm {
      }
  }
+ sub gather_clicker_ids {
+     my %clicker_ids;
+     my $classlist = &Apache::loncoursedata::get_classlist();
+     # Set up a couple variables.
+     my $username_idx = &Apache::loncoursedata::CL_SNAME();
+     my $domain_idx   = &Apache::loncoursedata::CL_SDOM();
+     my $status_idx   = &Apache::loncoursedata::CL_STATUS();
+     foreach my $student (keys(%$classlist)) {
+         if ($classlist->{$student}->[$status_idx] ne 'Active') { next; }
+         my $username = $classlist->{$student}->[$username_idx];
+         my $domain   = $classlist->{$student}->[$domain_idx];
+         my $clickers =
+ 	    (&Apache::lonnet::userenvironment($domain,$username,'clickers'))[1];
+         foreach my $id (split(/\,/,$clickers)) {
+             $id=~s/^[\#0]+//;
+             $id=~s/[\-\:]//g;
+             if (exists($clicker_ids{$id})) {
+ 		$clicker_ids{$id}.=','.$username.':'.$domain;
+             } else {
+ 		$clicker_ids{$id}=$username.':'.$domain;
+             }
+         }
+     }
+     return %clicker_ids;
+ }
+ sub gather_adv_clicker_ids {
+     my %clicker_ids;
+     my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
+     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
+     foreach my $element (sort(keys(%coursepersonnel))) {
+         foreach my $person (split(/\,/,$coursepersonnel{$element})) {
+             my ($puname,$pudom)=split(/\:/,$person);
+             my $clickers =
+ 		(&Apache::lonnet::userenvironment($pudom,$puname,'clickers'))[1];
+             foreach my $id (split(/\,/,$clickers)) {
+ 		$id=~s/^[\#0]+//;
+                 $id=~s/[\-\:]//g;
+ 		if (exists($clicker_ids{$id})) {
+ 		    $clicker_ids{$id}.=','.$puname.':'.$pudom;
+ 		} else {
+ 		    $clicker_ids{$id}=$puname.':'.$pudom;
+ 		}
+             }
+         }
+     }
+     return %clicker_ids;
+ }
+ sub clicker_grading_parameters {
+     return ('gradingmechanism' => 'scalar',
+             'upfiletype' => 'scalar',
+             'specificid' => 'scalar',
+             'pcorrect' => 'scalar',
+             'pincorrect' => 'scalar');
+ }
+ sub process_clicker {
+     my ($r)=@_;
+     my ($symb)=&get_symb($r);
+     if (!$symb) {return '';}
+     my $result=&checkforfile_js();
+     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
+     my ($table) = &showResourceInfo($symb,$env{'form.probTitle'});
+     $result.=$table;
+     $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
+     $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
+     $result.='&nbsp;<b>'.&mt('Specify a file containing the clicker information for this resource.').
+         '</b></td></tr>'."\n";
+     $result.='<tr bgcolor=#ffffe6><td>'."\n";
+ # Attempt to restore parameters from last session, set defaults if not present
+     my %Saveable_Parameters=&clicker_grading_parameters();
+     &Apache::loncommon::restore_course_settings('grades_clicker',
+                                                  \%Saveable_Parameters);
+     if (!$env{'form.pcorrect'}) { $env{'form.pcorrect'}=100; }
+     if (!$env{'form.pincorrect'}) { $env{'form.pincorrect'}=100; }
+     if (!$env{'form.gradingmechanism'}) { $env{'form.gradingmechanism'}='attendance'; }
+     if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; }
+     my %checked;
+     foreach my $gradingmechanism ('attendance','personnel','specific','given') {
+        if ($env{'form.gradingmechanism'} eq $gradingmechanism) {
+           $checked{$gradingmechanism}=' checked="checked"';
+        }
+     }
+     my $upload=&mt("Upload File");
+     my $type=&mt("Type");
+     my $attendance=&mt("Award points just for participation");
+     my $personnel=&mt("Correctness determined from response by course personnel");
+     my $specific=&mt("Correctness determined from response with clicker ID(s)");
+     my $given=&mt("Correctness determined from given list of answers").' '.
+               '<font size="-2"><tt>('.&mt("Provide comma-separated list. Use '*' for any answer correct, '-' for skip").')</tt></font>';
+     my $pcorrect=&mt("Percentage points for correct solution");
+     my $pincorrect=&mt("Percentage points for incorrect solution");
+     my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
+ 						   ('iclicker' => 'i>clicker',
+                                                     'interwrite' => 'interwrite PRS'));
+     $symb = &Apache::lonenc::check_encrypt($symb);
+     $result.=<<ENDUPFORM;
+ <script type="text/javascript">
+ function sanitycheck() {
+ // Accept only integer percentages
+    document.forms.gradesupload.pcorrect.value=Math.round(document.forms.gradesupload.pcorrect.value);
+    document.forms.gradesupload.pincorrect.value=Math.round(document.forms.gradesupload.pincorrect.value);
+ // Find out grading choice
+    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
+       if (document.forms.gradesupload.gradingmechanism[i].checked) {
+          gradingchoice=document.forms.gradesupload.gradingmechanism[i].value;
+       }
+    }
+ // By default, new choice equals user selection
+    newgradingchoice=gradingchoice;
+ // Not good to give more points for false answers than correct ones
+    if (Math.round(document.forms.gradesupload.pcorrect.value)<Math.round(document.forms.gradesupload.pincorrect.value)) {
+       document.forms.gradesupload.pcorrect.value=document.forms.gradesupload.pincorrect.value;
+    }
+ // If new choice is attendance only, and old choice was correctness-based, restore defaults
+    if ((gradingchoice=='attendance') && (document.forms.gradesupload.waschecked.value!='attendance')) {
+       document.forms.gradesupload.pcorrect.value=100;
+       document.forms.gradesupload.pincorrect.value=100;
+    }
+ // If the values are different, cannot be attendance only
+    if ((Math.round(document.forms.gradesupload.pcorrect.value)!=Math.round(document.forms.gradesupload.pincorrect.value)) &&
+        (gradingchoice=='attendance')) {
+        newgradingchoice='personnel';
+    }
+ // Change grading choice to new one
+    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
+       if (document.forms.gradesupload.gradingmechanism[i].value==newgradingchoice) {
+          document.forms.gradesupload.gradingmechanism[i].checked=true;
+       } else {
+          document.forms.gradesupload.gradingmechanism[i].checked=false;
+       }
+    }
+ // Remember the old state
+    document.forms.gradesupload.waschecked.value=newgradingchoice;
+ }
+ </script>
+ <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
+ <input type="hidden" name="symb" value="$symb" />
+ <input type="hidden" name="command" value="processclickerfile" />
+ <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
+ <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
+ <input type="file" name="upfile" size="50" />
+ <br /><label>$type: $selectform</label>
+ <br /><label><input type="radio" name="gradingmechanism" value="attendance"$checked{'attendance'} onClick="sanitycheck()" />$attendance </label>
+ <br /><label><input type="radio" name="gradingmechanism" value="personnel"$checked{'personnel'} onClick="sanitycheck()" />$personnel</label>
+ <br /><label><input type="radio" name="gradingmechanism" value="specific"$checked{'specific'} onClick="sanitycheck()" />$specific </label>
+ <input type="text" name="specificid" value="$env{'form.specificid'}" size="20" />
+ <br /><label><input type="radio" name="gradingmechanism" value="given"$checked{'given'} onClick="sanitycheck()" />$given </label>
+ <br />&nbsp;&nbsp;&nbsp;
+ <input type="text" name="givenanswer" size="50" />
+ <input type="hidden" name="waschecked" value="$env{'form.gradingmechanism'}" />
+ <br /><label>$pcorrect: <input type="text" name="pcorrect" size="4" value="$env{'form.pcorrect'}" onChange="sanitycheck()" /></label>
+ <br /><label>$pincorrect: <input type="text" name="pincorrect" size="4" value="$env{'form.pincorrect'}" onChange="sanitycheck()" /></label>
+ <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="$upload" />
+ </form>
+ ENDUPFORM
+     $result.='</td></tr></table>'."\n".
+              '</td></tr></table><br /><br />'."\n";
+     $result.=&show_grading_menu_form($symb);
+     return $result;
+ }
+ sub process_clicker_file {
+     my ($r)=@_;
+     my ($symb)=&get_symb($r);
+     if (!$symb) {return '';}
+     my %Saveable_Parameters=&clicker_grading_parameters();
+     &Apache::loncommon::store_course_settings('grades_clicker',
+                                               \%Saveable_Parameters);
+     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
+     if (($env{'form.gradingmechanism'} eq 'specific') && ($env{'form.specificid'}!~/\w/)) {
+ 	$result.='<span class="LC_error">'.&mt('You need to specify a clicker ID for the correct answer').'</span>';
+ 	return $result.&show_grading_menu_form($symb);
+     }
+     if (($env{'form.gradingmechanism'} eq 'given') && ($env{'form.givenanswer'}!~/\S/)) {
+         $result.='<span class="LC_error">'.&mt('You need to specify the correct answer').'</span>';
+         return $result.&show_grading_menu_form($symb);
+     }
+     my $foundgiven=0;
+     if ($env{'form.gradingmechanism'} eq 'given') {
+         $env{'form.givenanswer'}=~s/^\s*//gs;
+         $env{'form.givenanswer'}=~s/\s*$//gs;
+         $env{'form.givenanswer'}=~s/[^a-zA-Z0-9\.\*\-]+/\,/g;
+         $env{'form.givenanswer'}=uc($env{'form.givenanswer'});
+         my @answers=split(/\,/,$env{'form.givenanswer'});
+         $foundgiven=$#answers+1;
+     }
+     my %clicker_ids=&gather_clicker_ids();
+     my %correct_ids;
+     if ($env{'form.gradingmechanism'} eq 'personnel') {
+ 	%correct_ids=&gather_adv_clicker_ids();
+     }
+     if ($env{'form.gradingmechanism'} eq 'specific') {
+ 	foreach my $correct_id (split(/[\s\,]/,$env{'form.specificid'})) {;
+ 	   $correct_id=~tr/a-z/A-Z/;
+ 	   $correct_id=~s/\s//gs;
+ 	   $correct_id=~s/^[\#0]+//;
+            $correct_id=~s/[\-\:]//g;
+            if ($correct_id) {
+ 	      $correct_ids{$correct_id}='specified';
+            }
+         }
+     }
+     if ($env{'form.gradingmechanism'} eq 'attendance') {
+ 	$result.=&mt('Score based on attendance only');
+     } elsif ($env{'form.gradingmechanism'} eq 'given') {
+         $result.=&mt('Score based on [_1] ([_2] answers)','<tt>'.$env{'form.givenanswer'}.'</tt>',$foundgiven);
+     } else {
+ 	my $number=0;
+ 	$result.='<p><b>'.&mt('Correctness determined by the following IDs').'</b>';
+ 	foreach my $id (sort(keys(%correct_ids))) {
+ 	    $result.='<br /><tt>'.$id.'</tt> - ';
+ 	    if ($correct_ids{$id} eq 'specified') {
+ 		$result.=&mt('specified');
+ 	    } else {
+ 		my ($uname,$udom)=split(/\:/,$correct_ids{$id});
+ 		$result.=&Apache::loncommon::plainname($uname,$udom);
+ 	    }
+ 	    $number++;
+ 	}
+         $result.="</p>\n";
+ 	if ($number==0) {
+ 	    $result.='<span class="LC_error">'.&mt('No IDs found to determine correct answer').'</span>';
+ 	    return $result.&show_grading_menu_form($symb);
+ 	}
+     }
+     if (length($env{'form.upfile'}) < 2) {
+         $result.=&mt('[_1] Error: [_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.',
+ 		     '<span class="LC_error">',
+ 		     '</span>',
+ 		     '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>');
+         return $result.&show_grading_menu_form($symb);
+     }
+ # Were able to get all the info needed, now analyze the file
+     $result.=&Apache::loncommon::studentbrowser_javascript();
+     $symb = &Apache::lonenc::check_encrypt($symb);
+     my $heading=&mt('Scanning clicker file');
+     $result.=(<<ENDHEADER);
+ <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
+ <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
+ <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
+ <form method="post" action="/adm/grades" name="clickeranalysis">
+ <input type="hidden" name="symb" value="$symb" />
+ <input type="hidden" name="command" value="assignclickergrades" />
+ <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
+ <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
+ <input type="hidden" name="gradingmechanism" value="$env{'form.gradingmechanism'}" />
+ <input type="hidden" name="pcorrect" value="$env{'form.pcorrect'}" />
+ <input type="hidden" name="pincorrect" value="$env{'form.pincorrect'}" />
+ ENDHEADER
+     if ($env{'form.gradingmechanism'} eq 'given') {
+        $result.='<input type="hidden" name="correct:given" value="'.$env{'form.givenanswer'}.'" />';
+     }
+     my %responses;
+     my @questiontitles;
+     my $errormsg='';
+     my $number=0;
+     if ($env{'form.upfiletype'} eq 'iclicker') {
+ 	($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses);
+     }
+     if ($env{'form.upfiletype'} eq 'interwrite') {
+         ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses);
+     }
+     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
+              '<input type="hidden" name="number" value="'.$number.'" />'.
+              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
+                  $env{'form.pcorrect'},$env{'form.pincorrect'}).
+              '<br />';
+     if (($env{'form.gradingmechanism'} eq 'given') && ($number!=$foundgiven)) {
+        $result.='<span class="LC_error">'.&mt('Number of given answers does not agree with number of questions in file.').'</span>';
+        return $result.&show_grading_menu_form($symb);
+     }
+ # Remember Question Titles
+ # FIXME: Possibly need delimiter other than ":"
+     for (my $i=0;$i<$number;$i++) {
+         $result.='<input type="hidden" name="question:'.$i.'" value="'.
+                  &HTML::Entities::encode($questiontitles[$i],'"&<>').'" />';
+     }
+     my $correct_count=0;
+     my $student_count=0;
+     my $unknown_count=0;
+ # Match answers with usernames
+ # FIXME: Possibly need delimiter other than ":"
+     foreach my $id (keys(%responses)) {
+        if ($correct_ids{$id}) {
+           $result.="\n".'<input type="hidden" name="correct:'.$correct_count.':'.$correct_ids{$id}.'" value="'.$responses{$id}.'" />';
+           $correct_count++;
+        } elsif ($clicker_ids{$id}) {
+           if ($clicker_ids{$id}=~/\,/) {
+ # More than one user with the same clicker!
+              $result.="\n<hr />".&mt('Clicker registered more than once').": <tt>".$id."</tt><br />";
+              $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
+                            "<select name='multi".$id."'>";
+              foreach my $reguser (sort(split(/\,/,$clicker_ids{$id}))) {
+                  $result.="<option value='".$reguser."'>".&Apache::loncommon::plainname(split(/\:/,$reguser)).' ('.$reguser.')</option>';
+              }
+              $result.='</select>';
+              $unknown_count++;
+           } else {
+ # Good: found one and only one user with the right clicker
+              $result.="\n".'<input type="hidden" name="student:'.$clicker_ids{$id}.'" value="'.$responses{$id}.'" />';
+              $student_count++;
+           }
+        } else {
+           $result.="\n<hr />".&mt('Unregistered Clicker')." <tt>".$id."</tt><br />";
+           $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
+                    "\n".&mt("Username").": <input type='text' name='uname".$id."' />&nbsp;".
+                    "\n".&mt("Domain").": ".
+                    &Apache::loncommon::select_dom_form($env{'course.'.$env{'request.course.id'}.'.domain'},'udom'.$id).'&nbsp;'.
+                    &Apache::loncommon::selectstudent_link('clickeranalysis','uname'.$id,'udom'.$id);
+           $unknown_count++;
+        }
+     }
+     $result.='<hr />'.
+              &mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count);
+     if (($env{'form.gradingmechanism'} ne 'attendance') && ($env{'form.gradingmechanism'} ne 'given')) {
+        if ($correct_count==0) {
+           $errormsg.="Found no correct answers answers for grading!";
+        } elsif ($correct_count>1) {
+           $result.='<br /><span class="LC_warning">'.&mt("Found [_1] entries for grading!",$correct_count).'</span>';
+        }
+     }
+     if ($number<1) {
+        $errormsg.="Found no questions.";
+     }
+     if ($errormsg) {
+        $result.='<br /><span class="LC_error">'.&mt($errormsg).'</span>';
+     } else {
+        $result.='<br /><input type="submit" name="finalize" value="'.&mt('Finalize Grading').'" />';
+     }
+     $result.='</form></td></tr></table>'."\n".
+              '</td></tr></table><br /><br />'."\n";
+     return $result.&show_grading_menu_form($symb);
+ }
+ sub iclicker_eval {
+     my ($questiontitles,$responses)=@_;
+     my $number=0;
+     my $errormsg='';
+     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
+         my %components=&Apache::loncommon::record_sep($line);
+         my @entries=map {$components{$_}} (sort(keys(%components)));
+ 	if ($entries[0] eq 'Question') {
+ 	    for (my $i=3;$i<$#entries;$i+=6) {
+ 		$$questiontitles[$number]=$entries[$i];
+ 		$number++;
+ 	    }
+ 	}
+ 	if ($entries[0]=~/^\#/) {
+ 	    my $id=$entries[0];
+ 	    my @idresponses;
+ 	    $id=~s/^[\#0]+//;
+ 	    for (my $i=0;$i<$number;$i++) {
+ 		my $idx=3+$i*6;
+ 		push(@idresponses,$entries[$idx]);
+ 	    }
+ 	    $$responses{$id}=join(',',@idresponses);
+ 	}
+     }
+     return ($errormsg,$number);
+ }
+ sub interwrite_eval {
+     my ($questiontitles,$responses)=@_;
+     my $number=0;
+     my $errormsg='';
+     my $skipline=1;
+     my $questionnumber=0;
+     my %idresponses=();
+     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
+         my %components=&Apache::loncommon::record_sep($line);
+         my @entries=map {$components{$_}} (sort(keys(%components)));
+         if ($entries[1] eq 'Time') { $skipline=0; next; }
+         if ($entries[1] eq 'Response') { $skipline=1; }
+         next if $skipline;
+         if ($entries[0]!=$questionnumber) {
+            $questionnumber=$entries[0];
+            $$questiontitles[$number]=&mt('Question [_1]',$questionnumber);
+            $number++;
+         }
+         my $id=$entries[4];
+         $id=~s/^[\#0]+//;
+         $id=~s/^v\d*\://i;
+         $id=~s/[\-\:]//g;
+         $idresponses{$id}[$number]=$entries[6];
+     }
+     foreach my $id (keys(%idresponses)) {
+        $$responses{$id}=join(',',@{$idresponses{$id}});
+        $$responses{$id}=~s/^\s*\,//;
+     }
+     return ($errormsg,$number);
+ }
+ sub assign_clicker_grades {
+     my ($r)=@_;
+     my ($symb)=&get_symb($r);
+     if (!$symb) {return '';}
+ # See which part we are saving to
+     my $res_error;
+     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
+     if ($res_error) {
+         return &navmap_errormsg();
+     }
+ # FIXME: This should probably look for the first handgradeable part
+     my $part=$$partlist[0];
+ # Start screen output
+     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
+     my $heading=&mt('Assigning grades based on clicker file');
+     $result.=(<<ENDHEADER);
+ <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
+ <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
+ <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
+ ENDHEADER
+ # Get correct result
+ # FIXME: Possibly need delimiter other than ":"
+     my @correct=();
+     my $gradingmechanism=$env{'form.gradingmechanism'};
+     my $number=$env{'form.number'};
+     if ($gradingmechanism ne 'attendance') {
+        foreach my $key (keys(%env)) {
+           if ($key=~/^form\.correct\:/) {
+              my @input=split(/\,/,$env{$key});
+              for (my $i=0;$i<=$#input;$i++) {
+                  if (($correct[$i]) && ($input[$i]) &&
+                      ($correct[$i] ne $input[$i])) {
+                     $result.='<br /><span class="LC_warning">'.
+                              &mt('More than one correct result given for question "[_1]": [_2] versus [_3].',
+                                  $env{'form.question:'.$i},$correct[$i],$input[$i]).'</span>';
+                  } elsif ($input[$i]) {
+                     $correct[$i]=$input[$i];
+                  }
+              }
+           }
+        }
+        for (my $i=0;$i<$number;$i++) {
+           if (!$correct[$i]) {
+              $result.='<br /><span class="LC_error">'.
+                       &mt('No correct result given for question "[_1]"!',
+                           $env{'form.question:'.$i}).'</span>';
+           }
+        }
+        $result.='<br />'.&mt("Correct answer: [_1]",join(', ',map { ($_?$_:'-') } @correct));
+     }
+ # Start grading
+     my $pcorrect=$env{'form.pcorrect'};
+     my $pincorrect=$env{'form.pincorrect'};
+     my $storecount=0;
+     foreach my $key (keys(%env)) {
+        my $user='';
+        if ($key=~/^form\.student\:(.*)$/) {
+           $user=$1;
+        }
+        if ($key=~/^form\.unknown\:(.*)$/) {
+           my $id=$1;
+           if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) {
+              $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id};
+           } elsif ($env{'form.multi'.$id}) {
+              $user=$env{'form.multi'.$id};
+           }
+        }
+        if ($user) {
+           my @answer=split(/\,/,$env{$key});
+           my $sum=0;
+           my $realnumber=$number;
+           for (my $i=0;$i<$number;$i++) {
+              if  ($correct[$i] eq '-') {
+                 $realnumber--;
+              } elsif ($answer[$i]) {
+                 if ($gradingmechanism eq 'attendance') {
+                    $sum+=$pcorrect;
+                 } elsif ($correct[$i] eq '*') {
+                    $sum+=$pcorrect;
+                 } else {
+                    if ($answer[$i] eq $correct[$i]) {
+                       $sum+=$pcorrect;
+                    } else {
+                       $sum+=$pincorrect;
+                    }
+                 }
+              }
+           }
+           my $ave=$sum/(100*$realnumber);
+ # Store
+           my ($username,$domain)=split(/\:/,$user);
+           my %grades=();
+           $grades{"resource.$part.solved"}='correct_by_override';
+           $grades{"resource.$part.awarded"}=$ave;
+           $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
+           my $returncode=&Apache::lonnet::cstore(\%grades,$symb,
+                                                  $env{'request.course.id'},
+                                                  $domain,$username);
+           if ($returncode ne 'ok') {
+              $result.="<br /><span class=\"LC_error\">Failed to save student $username:$domain. Message when trying to save was ($returncode)</span>";
+           } else {
+              $storecount++;
+           }
+        }
+     }
+ # We are done
+     $result.='<br />'.&mt('Successfully stored grades for [quant,_1,student].',$storecount).
+              '</td></tr></table>'."\n".
+              '</td></tr></table><br /><br />'."\n";
+     return $result.&show_grading_menu_form($symb);
+ }
+ sub navmap_errormsg {
+     return '<div class="LC_error">'.
+            &mt('An error occurred retrieving information about resources in the course.').'<br />'.
+            &mt('It is recommended that you [_1]re-initialize the course[_2] and then return to this grading page..','<a href="/adm/roles?selectrole=1&newrole='.$env{'request.role'}.'">','</a>').
+            '</div>';
+ }
  sub handler {
      my $request=$_[0];
+     &reset_caches();
-     &reset_perm();
      if ($env{'browser.mathml'}) {
  	&Apache::loncommon::content_type($request,'text/xml');
      } else {
- Line 5999  sub handler {
+ Line 9263  sub handler {
      my $symb=&get_symb($request,1);
      my @commands=&Apache::loncommon::get_env_multiple('form.command');
      my $command=$commands[0];
      if ($#commands > 0) {
  	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
      }
-     $request->print(&Apache::loncommon::start_page('Grading'));
+     $ssi_error = 0;
+     my $brcrum = [{href=>"/adm/grades",text=>"Grading"}];
+     $request->print(&Apache::loncommon::start_page('Grading',undef,
+                                           {'bread_crumbs' => $brcrum}));
      if ($symb eq '' && $command eq '') {
  	if ($env{'user.adv'}) {
  	    if (($env{'form.codeone'}) && ($env{'form.codetwo'}) &&
- Line 6014  sub handler {
+ Line 9283  sub handler {
  		if ($tsymb) {
  		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
  		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
- 			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
+ 			$request->print(&ssi_with_retries('/res/'.$url, $ssi_retries,
  					  ('grade_username' => $tuname,
  					   'grade_domain' => $tudom,
  					   'grade_courseid' => $tcrsid,
- Line 6042  sub handler {
+ Line 9311  sub handler {
  	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
  	    &processGroup($request);
  	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
- 	    $request->print(&gradingmenu($request));
+ 	    $request->print(&grading_menu($request));
+ 	} elsif ($command eq 'submit_options' && $perm{'vgr'}) {
+ 	    $request->print(&submit_options($request));
  	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
  	    $request->print(&viewgrades($request));
  	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
- Line 6051  sub handler {
+ Line 9322  sub handler {
  	    $request->print(&editgrades($request));
  	} elsif ($command eq 'verify' && $perm{'vgr'}) {
  	    $request->print(&verifyreceipt($request));
+         } elsif ($command eq 'processclicker' && $perm{'mgr'}) {
+             $request->print(&process_clicker($request));
+         } elsif ($command eq 'processclickerfile' && $perm{'mgr'}) {
+             $request->print(&process_clicker_file($request));
+         } elsif ($command eq 'assignclickergrades' && $perm{'mgr'}) {
+             $request->print(&assign_clicker_grades($request));
  	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
  	    $request->print(&upcsvScores_form($request));
  	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
- Line 6089  sub handler {
+ Line 9366  sub handler {
   	} elsif ($command eq 'scantron_download' &&
  		 &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
   	    $request->print(&scantron_download_scantron_data($request));
+         } elsif ($command eq 'checksubmissions' && $perm{'vgr'}) {
+             $request->print(&checkscantron_results($request));
  	} elsif ($command) {
- 	    $request->print("Access Denied ($command)");
+ 	    $request->print('<p class="LC_error">'.&mt('Access Denied ([_1])',$command).'</p>');
  	}
      }
+     if ($ssi_error) {
+ 	&ssi_print_error($request);
+     }
      $request->print(&Apache::loncommon::end_page());
+     &reset_caches();
      return '';
  }
 ;
  __END__;
+ =head1 NAME
+ Apache::grades
+ =head1 SYNOPSIS
+ Handles the viewing of grades.
+ This is part of the LearningOnline Network with CAPA project
+ described at http://www.lon-capa.org.
+ =head1 OVERVIEW
+ Do an ssi with retries:
+ While I'd love to factor out this with the vesrion in lonprintout,
+ that would either require a data coupling between modules, which I refuse to perpetuate (there's quite enough of that already), or would require the invention of another infrastructure
+ I'm not quite ready to invent (e.g. an ssi_with_retry object).
+ At least the logic that drives this has been pulled out into loncommon.
+ ssi_with_retries - Does the server side include of a resource.
+                      if the ssi call returns an error we'll retry it up to
+                      the number of times requested by the caller.
+                      If we still have a proble, no text is appended to the
+                      output and we set some global variables.
+                      to indicate to the caller an SSI error occurred.
+                      All of this is supposed to deal with the issues described
+                      in LonCAPA BZ 5631 see:
+                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
+                      by informing the user that this happened.
+ Parameters:
+   resource   - The resource to include.  This is passed directly, without
+                interpretation to lonnet::ssi.
+   form       - The form hash parameters that guide the interpretation of the resource
+   retries    - Number of retries allowed before giving up completely.
+ Returns:
+   On success, returns the rendered resource identified by the resource parameter.
+ Side Effects:
+   The following global variables can be set:
+    ssi_error                - If an unrecoverable error occurred this becomes true.
+                               It is up to the caller to initialize this to false
+                               if desired.
+    ssi_error_resource  - If an unrecoverable error occurred, this is the value
+                               of the resource that could not be rendered by the ssi
+                               call.
+    ssi_error_message   - The error string fetched from the ssi response
+                               in the event of an error.
+ =head1 HANDLER SUBROUTINE
+ ssi_with_retries()
+ =head1 SUBROUTINES
+ =over
+ =item scantron_get_correction() :
+    Builds the interface screen to interact with the operator to fix a
+    specific error condition in a specific scanline
+  Arguments:
+     $r           - Apache request object
+     $i           - number of the current scanline
+     $scan_record - hash ref as returned from &scantron_parse_scanline()
+     $scan_config - hash ref as returned from &get_scantron_config()
+     $line        - full contents of the current scanline
+     $error       - error condition, valid values are
+                    'incorrectCODE', 'duplicateCODE',
+                    'doublebubble', 'missingbubble',
+                    'duplicateID', 'incorrectID'
+     $arg         - extra information needed
+        For errors:
+          - duplicateID   - paper number that this studentID was seen before on
+          - duplicateCODE - array ref of the paper numbers this CODE was
+                            seen on before
+          - incorrectCODE - current incorrect CODE
+          - doublebubble  - array ref of the bubble lines that have double
+                            bubble errors
+          - missingbubble - array ref of the bubble lines that have missing
+                            bubble errors
+ =item  scantron_get_maxbubble() :
+    Arguments:
+        $nav_error  - Reference to scalar which is a flag to indicate a
+                       failure to retrieve a navmap object.
+        if $nav_error is set to 1 by scantron_get_maxbubble(), the
+        calling routine should trap the error condition and display the warning
+        found in &navmap_errormsg().
+    Returns the maximum number of bubble lines that are expected to
+    occur. Does this by walking the selected sequence rendering the
+    resource and then checking &Apache::lonxml::get_problem_counter()
+    for what the current value of the problem counter is.
+    Caches the results to $env{'form.scantron_maxbubble'},
+    $env{'form.scantron.bubble_lines.n'},
+    $env{'form.scantron.first_bubble_line.n'} and
+    $env{"form.scantron.sub_bubblelines.n"}
+    which are the total number of bubble, lines, the number of bubble
+    lines for response n and number of the first bubble line for response n,
+    and a comma separated list of numbers of bubble lines for sub-questions
+    (for optionresponse, matchresponse, and rankresponse items), for response n.
+ =item  scantron_validate_missingbubbles() :
+    Validates all scanlines in the selected file to not have any
+     answers that don't have bubbles that have not been verified
+     to be bubble free.
+ =item  scantron_process_students() :
+    Routine that does the actual grading of the bubble sheet information.
+    The parsed scanline hash is added to %env
+    Then foreach unskipped scanline it does an &Apache::lonnet::ssi()
+    foreach resource , with the form data of
+ 	'submitted'     =>'scantron'
+ 	'grade_target'  =>'grade',
+ 	'grade_username'=> username of student
+ 	'grade_domain'  => domain of student
+ 	'grade_courseid'=> of course
+ 	'grade_symb'    => symb of resource to grade
+     This triggers a grading pass. The problem grading code takes care
+     of converting the bubbled letter information (now in %env) into a
+     valid submission.
+ =item  scantron_upload_scantron_data() :
+     Creates the screen for adding a new bubble sheet data file to a course.
+ =item  scantron_upload_scantron_data_save() :
+    Adds a provided bubble information data file to the course if user
+    has the correct privileges to do so.
+ =item  valid_file() :
+    Validates that the requested bubble data file exists in the course.
+ =item  scantron_download_scantron_data() :
+    Shows a list of the three internal files (original, corrected,
+    skipped) for a specific bubble sheet data file that exists in the
+    course.
+ =item  scantron_validate_ID() :
+    Validates all scanlines in the selected file to not have any
+    invalid or underspecified student/employee IDs
+ =item navmap_errormsg() :
+    Returns HTML mark-up inside a <div></div> with a link to re-initialize the course.
+    Should be called whenever the request to instantiate a navmap object fails.
+ =back
+ =cut

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