--- loncom/homework/grades.pm	2010/04/13 13:48:48	1.616
+++ loncom/homework/grades.pm	2010/04/18 19:29:10	1.624
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.616 2010/04/13 13:48:48 www Exp $
+# $Id: grades.pm,v 1.624 2010/04/18 19:29:10 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,6 +43,7 @@ use Apache::lonmsg();
 use Apache::Constants qw(:common);
 use Apache::lonlocal;
 use Apache::lonenc;
+use Apache::lonstathelpers;
 use String::Similarity;
 use LONCAPA;
 
@@ -137,6 +138,7 @@ sub nameUserString {
 
 #--- Get the partlist and the response type for a given problem. ---
 #--- Indicate if a response type is coded handgraded or not. ---
+#--- Sets response_error pointer to "1" if navmaps object broken ---
 sub response_type {
     my ($symb,$response_error) = @_;
 
@@ -808,22 +810,21 @@ sub verifyreceipt {
 #--- Also called directly when one clicks on the subm button 
 #    on the problem page.
 sub listStudents {
-    my ($request,$symb) = @_;
+    my ($request,$symb,$submitonly) = @_;
 
     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 = $env{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
+    unless ($submitonly) {
+       $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
+    }
 
     my $result='<h3><span class="LC_info">&nbsp;'
-	.&mt("$viewgrade Submissions for a Student or a Group of Students")
+	.&mt("View/Grade/Regrade Submissions for a Student or a Group of Students")
 	.'</span></h3>';
-
-    my ($partlist,$handgrade,$responseType) = &response_type($symb
-#,$res_error
-    );
+    my $res_error;
+    my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
 
     my %lt = &Apache::lonlocal::texthash (
 		'multiple' => 'Please select a student or group of students before clicking on the Next button.',
@@ -863,8 +864,6 @@ LISTJAVASCRIPT
     &commonJSfunctions($request);
     $request->print($result);
 
-    my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : '';
-    my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : '';
     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
 	"\n";
 	
@@ -881,16 +880,12 @@ LISTJAVASCRIPT
                   .&Apache::lonhtmlcommon::row_closure();
 
     my $submission_options;
-    if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
-	$submission_options.=
-	    '<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> '.&mt('essay part only').' </label>'."\n";
-    }
     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
     my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
     $env{'form.Status'} = $saveStatus;
     $submission_options.=
         '<span class="LC_nobreak">'.
-        '<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> '.
+        '<label><input type="radio" name="lastSub" value="lastonly" /> '.
         &mt('last submission only').' </label></span>'."\n".
         '<span class="LC_nobreak">'.
         '<label><input type="radio" name="lastSub" value="last" /> '.
@@ -917,12 +912,10 @@ LISTJAVASCRIPT
     $gradeTable .= 
         &build_section_inputs().
 	'<input type="hidden" name="submitonly"  value="'.$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="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'})) {
+    if (exists($env{'form.Status'})) {
 	$gradeTable .= '<input type="hidden" name="Status" value="'.$stu_status.'" />'."\n";
     } else {
         $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Student Status'))
@@ -937,7 +930,7 @@ LISTJAVASCRIPT
                   .&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"
+                  .&mt("To view/grade/regrade 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>';
 
@@ -954,9 +947,7 @@ LISTJAVASCRIPT
     while ($loop < 2) {
 	$gradeTable.='<th>'.&mt('No.').'</th><th>'.&mt('Select').'</th>'.
 	    '<th>'.&nameUserString('header').'&nbsp;'.&mt('Section/Group').'</th>';
-	if ($env{'form.showgrading'} eq 'yes' 
-	    && $submitonly ne 'queued'
-	    && $submitonly ne 'all') {
+	if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
 	    foreach my $part (sort(@$partlist)) {
 		my $display_part=
 		    &get_display_part((split(/_/,$part))[0],$symb);
@@ -992,9 +983,7 @@ LISTJAVASCRIPT
 	    $status{'gradingqueue'} = $queue_status{'gradingqueue'};
 	}
 
-	if ($env{'form.showgrading'} eq 'yes' 
-	    && $submitonly ne 'queued'
-	    && $submitonly ne 'all') {
+	if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
 	    (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist);
 	    my $submitted = 0;
 	    my $graded = 0;
@@ -1035,7 +1024,7 @@ LISTJAVASCRIPT
 	       &nameUserString(undef,$$fullname{$student},$uname,$udom).
 	       '&nbsp;'.$section.($group ne '' ?'/'.$group:'').'</td>'."\n";
 
-	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+	    if ($submitonly ne 'all') {
 		foreach (sort(keys(%status))) {
 		    next if ($_ =~ /^resource.*?submitted_by$/);
 		    $gradeTable.='<td align="center">&nbsp;'.&mt($status{$_}).'&nbsp;</td>'."\n";
@@ -1049,9 +1038,7 @@ LISTJAVASCRIPT
     }
     if ($ctr%2 ==1) {
 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
-	    if ($env{'form.showgrading'} eq 'yes' 
-		&& $submitonly ne 'queued'
-		&& $submitonly ne 'all') {
+	    if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
 		foreach (@$partlist) {
 		    $gradeTable.='<td>&nbsp;</td>';
 		}
@@ -1135,7 +1122,7 @@ sub check_buttons {
 
 #     Displays the submissions for one student or a group of students
 sub processGroup {
-    my ($request)  = shift;
+    my ($request,$symb)  = @_;
     my $ctr        = 0;
     my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
     my $total      = scalar(@stuchecked)-1;
@@ -1145,7 +1132,7 @@ sub processGroup {
 	$env{'form.student'}        = $uname;
 	$env{'form.userdom'}        = $udom;
 	$env{'form.fullname'}       = $fullname;
-	&submission($request,$ctr,$total);
+	&submission($request,$ctr,$total,$symb);
 	$ctr++;
     }
     return '';
@@ -1283,7 +1270,6 @@ sub sub_page_js {
 	    
 	}
 	if (val == "Grade Student") {
-	    formname.showgrading.value = "yes";
 	    if (formname.Status.value == "") {
 		formname.Status.value = "Active";
 	    }
@@ -1747,8 +1733,8 @@ sub gradeBox {
 }
 
 sub handback_box {
-    my ($symb,$uname,$udom,$counter,$partid,$record,$res_error) = @_;
-    my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error);
+    my ($symb,$uname,$udom,$counter,$partid,$record,$res_error_pointer) = @_;
+    my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error_pointer);
     my (@respids);
      my @part_response_id = &flatten_responseType($responseType);
     foreach my $part_response_id (@part_response_id) {
@@ -1852,6 +1838,11 @@ sub files_exist {
 
 sub download_all_link {
     my ($r,$symb) = @_;
+    unless (&files_exist($r, $symb)) {
+       $r->print(&mt('There are currently no submitted documents.'));
+       return;
+    }
+
     my $all_students = 
 	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
 
@@ -1864,7 +1855,14 @@ sub download_all_link {
                              'cgi.'.$identifier.'.parts' => $parts,});
     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
 	      &mt('Download All Submitted Documents').'</a>');
-    return
+    return;
+}
+
+sub submit_download_link {
+    my ($request,$symb) = @_;
+    if (!$symb) { return ''; }
+#FIXME: Figure out which type of problem this is and provide appropriate download
+    &download_all_link($request,$symb);
 }
 
 sub build_section_inputs {
@@ -1910,10 +1908,7 @@ sub submission {
     # header info
     if ($counter == 0) {
 	&sub_page_js($request);
-	&sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes');
-	if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) {
-	    &download_all_link($request, $symb);
-	}
+	&sub_page_kw_js($request);
 	$request->print('<h3>&nbsp;<span class="LC_info">'.&mt('Submission Record').'</span></h3>');
 
 	# option to display problem, only once else it cause problems 
@@ -1934,7 +1929,8 @@ sub submission {
 	# kwclr is the only variable that is guaranteed to be non blank 
         # if this subroutine has been called once.
 	my %keyhash = ();
-	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
+#	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
+        if (1) {
 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
 					     $env{'course.'.$env{'request.course.id'}.'.domain'},
 					     $env{'course.'.$env{'request.course.id'}.'.num'});
@@ -1958,16 +1954,15 @@ sub submission {
 			'<input type="hidden" name="studentNo"  value="" />'."\n".
 			'<input type="hidden" name="gradeOpt"   value="" />'."\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="'.$env{'form.lastSub'}.'" />'."\n".
 			&build_section_inputs().
 			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
-			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'" />'."\n".
 			'<input type="hidden" name="NCT"'.
 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
-	if ($env{'form.handgrade'} eq 'yes') {
+#	if ($env{'form.handgrade'} eq 'yes') {
+        if (1) {
 	    $request->print('<input type="hidden" name="keywords" value="'.$env{'form.keywords'}.'" />'."\n".
 			    '<input type="hidden" name="kwclr"    value="'.$env{'form.kwclr'}.'" />'."\n".
 			    '<input type="hidden" name="kwsize"   value="'.$env{'form.kwsize'}.'" />'."\n".
@@ -1992,7 +1987,8 @@ sub submission {
 	}
 	$request->print($prnmsg);
 
-	if ($env{'form.handgrade'} eq 'yes' && $env{'form.showgrading'} eq 'yes') {
+#	if ($env{'form.handgrade'} eq 'yes') {
+        if (1) {
 #
 # Print out the keyword options line
 #
@@ -2068,7 +2064,8 @@ KEYWORDS
               .'<h3 class="LC_hcell">'.&mt('Submissions').'</h3>';
     $result.='<input type="hidden" name="name'.$counter.
              '" value="'.$env{'form.fullname'}.'" />'."\n";
-    if ($env{'form.handgrade'} eq 'no') {
+#    if ($env{'form.handgrade'} eq 'no') {
+    if (1) {
         $result.='<p class="LC_info">'
                 .&mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)
                 ."</p>\n";
@@ -2077,7 +2074,8 @@ KEYWORDS
     # If any part of the problem is an essay-response (handgraded), then check for collaborators
     my $fullname;
     my $col_fullnames = [];
-    if ($env{'form.handgrade'} eq 'yes') {
+#    if ($env{'form.handgrade'} eq 'yes') {
+    if (1) {
 	(my $sub_result,$fullname,$col_fullnames)=
 	    &check_collaborators($symb,$uname,$udom,\%record,$handgrade,
 				 $counter);
@@ -2128,7 +2126,7 @@ KEYWORDS
                     $lastsubonly.="\n".'<div class="LC_grade_submission_part">'.
                         '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
                         ' <span class="LC_internal_info">'.
-                        '('.&mt('Part ID: [_1]',$respid).')'.
+                        '('.&mt('Response ID: [_1]',$respid).')'.
                         '</span>&nbsp; &nbsp;'.
 			'<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span><br /><br /></div>';
 		    next;
@@ -2173,7 +2171,7 @@ KEYWORDS
                         $lastsubonly.='<div class="LC_grade_submission_part">'.
                             '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
                             ' <span class="LC_internal_info">'.
-                            '('.&mt('Part ID: [_1]',$respid).')'.
+                            '('.&mt('Response ID: [_1]',$respid).')'.
                             '</span>&nbsp; &nbsp;';
 			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
 			if (@$files) {
@@ -2204,9 +2202,7 @@ KEYWORDS
 	}
 	$request->print($lastsubonly);
    } elsif ($env{'form.lastSub'} eq 'datesub') {
-#	my (undef,$responseType,undef,$parts) = &showResourceInfo($symb);
-    my ($parts,$handgrade,$responseType) = &response_type($symb);
-
+        my ($parts,$handgrade,$responseType) = &response_type($symb,\$res_error);
 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
     } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
@@ -2214,11 +2210,11 @@ KEYWORDS
 								 $last,'.submission',
 								 'Apache::grades::keywords_highlight'));
     }
-
     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
 	.$udom.'" />'."\n");
     # return if view submission with no grading option
-    if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) {
+# FIXME: the logic seems off here. Why show the grade button if you cannot grade?
+    if (!&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));
@@ -2230,7 +2226,8 @@ KEYWORDS
     }
 
     # essay grading message center
-    if ($env{'form.handgrade'} eq 'yes') {
+#    if ($env{'form.handgrade'} eq 'yes') {
+    if (1) {
 	my $result='<div class="LC_grade_message_center">';
     
 	$result.='<div class="LC_grade_message_center_header">'.
@@ -2535,7 +2532,8 @@ sub processHandGrade {
 	}
     }
 
-    if ($env{'form.handgrade'} eq 'yes') {
+#    if ($env{'form.handgrade'} eq 'yes') {
+    if (1) {
 	# Keywords sorted in alphabatical order
 	my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
 	my %keyhash = ();
@@ -2596,7 +2594,6 @@ sub processHandGrade {
 
 # Go directly to grade student - from submission or link from chart page
     if ($button eq 'Grade Student') {
-#	(undef,undef,$env{'form.handgrade'},undef,undef) = &showResourceInfo($symb);
 	my $processUser = $env{'form.unamedom'.$env{'form.studentNo'}};
 	($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
 	$env{'form.fullname'} = $$fullname{$processUser};
@@ -8382,9 +8379,7 @@ sub grading_menu {
     if (!$symb) {return '';}
 
     my %fields = ('symb'=>&Apache::lonenc::check_encrypt($symb),
-                  'command'=>'individual',
-                  'gradingMenu'=>1,
-                  'showgrading'=>"yes");
+                  'command'=>'individual');
     
     my $url1a = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
 
@@ -8397,6 +8392,9 @@ sub grading_menu {
     $fields{'command'}='all_for_one';
     my $url1d=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
 
+    $fields{'command'}='downloadfilesselect';
+    my $url1e=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
+
     $fields{'command'} = 'csvform';
     my $url2 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
     
@@ -8435,6 +8433,12 @@ sub grading_menu {
                                 permission => 'F',
                                 icon => 'edit-find-replace.png',
                                 linktitle => 'Grade all resources in current page/sequence/folder for one student.'
+                        },
+                        {       linktext => 'Download submissions',
+                                url => $url1e,
+                                permission => 'F',
+                                icon => 'edit-find-replace.png',
+                                linktitle => 'Download all students submissions.'
                         }]},
                          { categorytitle=>'Automated Grading',
                items =>[
@@ -8471,9 +8475,7 @@ sub grading_menu {
     my $Str;
     $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="gradingMenu" value="1" />'."\n".
-	'<input type="hidden" name="showgrading" value="yes" />'."\n";
+    	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
 
     $Str .= &Apache::lonhtmlcommon::generate_menu(@menu);
     return $Str;    
@@ -8492,10 +8494,7 @@ sub submit_options_sequence {
     my $result;
 
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
-        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
-        '<input type="hidden" name="gradingMenu" value="1" />'."\n".
-        '<input type="hidden" name="showgrading" value="yes" />'."\n";
-
+        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
     $result.='
 <h2>
   '.&mt('Grade page/folder for one student').'
@@ -8517,9 +8516,7 @@ sub submit_options_table {
     my $result;
 
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
-        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
-        '<input type="hidden" name="gradingMenu" value="1" />'."\n".
-        '<input type="hidden" name="showgrading" value="yes" />'."\n";
+        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
 
     $result.='
 <h2>
@@ -8535,7 +8532,27 @@ sub submit_options_table {
     return $result;
 }
 
+sub submit_options_download {
+    my ($request,$symb) = @_;
+    if (!$symb) {return '';}
+
+    &commonJSfunctions($request);
+
+    my $result='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
+        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
+    $result.='
+<h2>
+  '.&mt('Select Students for Which to Download Submissions').'
+</h2>'.&selectfield(1).'
+                <input type="hidden" name="command" value="downloadfileslink" /> 
+              <input type="submit" value="'.&mt('Next').' &rarr;" />
+            </div>
+          </div>
+
 
+  </form>';
+    return $result;
+}
 
 #--- Displays the submissions first page -------
 sub submit_options {
@@ -8546,10 +8563,7 @@ sub submit_options {
     my $result;
 
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
-	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
-	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
-	'<input type="hidden" name="showgrading" value="yes" />'."\n";
-
+	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
     $result.='
 <h2>
   '.&mt('Select individual students to grade').'
@@ -9152,6 +9166,14 @@ sub startpage {
     }
 }
 
+sub select_problem {
+    my ($r)=@_;
+    $r->print('<h2>'.&mt('Select the problem or one of the problems you want to grade').'</h2><form action="/adm/grades">');
+    $r->print(&Apache::lonstathelpers::problem_selector('.',undef,1));
+    $r->print('<input type="hidden" name="command" value="gradingmenu" />');
+    $r->print('<input type="submit" value="'.&mt('Next').' &rarr;" /></form>');
+}
+
 sub handler {
     my $request=$_[0];
     &reset_caches();
@@ -9183,11 +9205,12 @@ sub handler {
     &Apache::lonenc::check_decrypt(\$symb);                             
 
     $ssi_error = 0;
-    if ($symb eq '' && $command eq '') {
+    if ($symb eq '' || $command eq '') {
 #
 # Not called from a resource
 #    
-
+        &startpage($request,undef,[],1,1);
+        &select_problem($request);
     } else {
 	&init_perm();
 	if ($command eq 'submission' && $perm{'vgr'}) {
@@ -9210,17 +9233,18 @@ sub handler {
                                        {href=>'',text=>'Store grades'}],1,1);
 	    &updateGradeByPage($request,$symb);
 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
-            &startpage($request,$symb);
+            &startpage($request,$symb,[{href=>'',text=>'...'},
+                                       {href=>'',text=>'Modify grades'}]);
 	    &processGroup($request,$symb);
 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
             &startpage($request,$symb);
 	    $request->print(&grading_menu($request,$symb));
 	} elsif ($command eq 'individual' && $perm{'vgr'}) {
-            &startpage($request,$symb);
+            &startpage($request,$symb,[{href=>'',text=>'Select individual students to grade'}]);
 	    $request->print(&submit_options($request,$symb));
         } elsif ($command eq 'ungraded' && $perm{'vgr'}) {
-            &startpage($request,$symb);
-            $request->print(&submit_options($request,$symb));
+            &startpage($request,$symb,[{href=>'',text=>'Grade ungraded submissions'}]);
+            $request->print(&listStudents($request,$symb,'graded'));
         } elsif ($command eq 'table' && $perm{'vgr'}) {
             &startpage($request,$symb,[{href=>"", text=>"Grading table"}]);
             $request->print(&submit_options_table($request,$symb));
@@ -9231,7 +9255,8 @@ sub handler {
             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,"table"), text=>"Grading table"},{href=>'', text=>"Modify grades"}]);
 	    $request->print(&viewgrades($request,$symb));
 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
-            &startpage($request,$symb);
+            &startpage($request,$symb,[{href=>'',text=>'...'},
+                                       {href=>'',text=>'Store grades'}]);
 	    $request->print(&processHandGrade($request,$symb));
 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,"table"), text=>"Grading table"},
@@ -9311,9 +9336,17 @@ sub handler {
  	    $request->print(&scantron_download_scantron_data($request,$symb));
         } elsif ($command eq 'checksubmissions' && $perm{'vgr'}) {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
-            $request->print(&checkscantron_results($request,$symb));     
+            $request->print(&checkscantron_results($request,$symb));
+        } elsif ($command eq 'downloadfilesselect' && $perm{'vgr'}) {
+            &startpage($request,$symb,[{href=>'', text=>'Select which submissions to download'}]);
+            $request->print(&submit_options_download($request,$symb));
+         } elsif ($command eq 'downloadfileslink' && $perm{'vgr'}) {
+            &startpage($request,$symb,
+   [{href=>&href_symb_cmd($symb,'downloadfilesselect'), text=>'Select which submissions to download'},
+    {href=>'', text=>'Download submissions'}]);
+            &submit_download_link($request,$symb);
 	} elsif ($command) {
-            &startpage($request,$symb);
+            &startpage($request,$symb,[{href=>'', text=>'Access denied'}]);
 	    $request->print('<p class="LC_error">'.&mt('Access Denied ([_1])',$command).'</p>');
 	}
     }