--- loncom/homework/grades.pm	2007/08/10 20:12:31	1.427
+++ loncom/homework/grades.pm	2007/10/08 21:05:54	1.445
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.427 2007/08/10 20:12:31 albertel Exp $
+# $Id: grades.pm,v 1.445 2007/10/08 21:05:54 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -45,35 +45,26 @@ use LONCAPA;
 
 use POSIX qw(floor);
 
+
 my %perm=();
+my %bubble_lines_per_response;     # no. bubble lines for each response.
+                                   # index is "symb.part_id"
+
 
 # ----- These first few routines are general use routines.----
 #
 # --- Retrieve the parts from the metadata file.---
 sub getpartlist {
     my ($symb) = @_;
-    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
-    my $partorder = &Apache::lonnet::metadata($url, 'partorder');
-    my @parts;
-    if ($partorder) {
-	for my $part (split (/,/,$partorder)) {
-	    if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
-		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 $navmap   = Apache::lonnavmaps::navmap->new();
+    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 $part (@parts) {
-	my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
+    foreach my $part (@{ $partlist }) {
 	foreach my $key (@metakeys) {
 	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
 	}
@@ -194,22 +185,54 @@ sub showResourceInfo {
     return $result,$responseType,$hdgrade,$partlist,$handgrade;
 }
 
+sub reset_caches {
+    &reset_analyze_cache();
+    &reset_perm();
+}
+
+{
+    my %analyze_cache;
 
-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.$respid.shown"});
+    sub reset_analyze_cache {
+	undef(%analyze_cache);
+    }
+
+    sub get_analyze {
+	my ($symb,$uname,$udom)=@_;
+	my $key = "$symb\0$uname\0$udom";
+	return $analyze_cache{$key} if (exists($analyze_cache{$key}));
+
+	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 $analyze_cache{$key} = \%analyze;
+    }
+
+    sub get_order {
+	my ($partid,$respid,$symb,$uname,$udom)=@_;
+	my $analyze = &get_analyze($symb,$uname,$udom);
+	return $analyze->{"$partid.$respid.shown"};
+    }
+
+    sub get_radiobutton_correct_foil {
+	my ($partid,$respid,$symb,$uname,$udom)=@_;
+	my $analyze = &get_analyze($symb,$uname,$udom);
+	foreach my $foil (@{&get_order($partid,$respid,$symb,$uname,$udom)}) {
+	    if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') {
+		return $foil;
+	    }
+	}
+    }
 }
+
 #--- Clean response type for display
 #--- Currently filters option/rank/radiobutton/match/essay/Task
 #        response types only.
@@ -258,11 +281,11 @@ sub cleanRecord {
     } elsif ($response eq 'radiobutton') {
 	my %answer=&Apache::lonnet::str2hash($answer);
 	my ($toprow,$bottomrow);
-	my $correct=($order->[0])+1;
-	for (my $i=1;$i<=$#$order;$i++) {
-	    my $foil=$order->[$i];
+	my $correct = 
+	    &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom);
+	foreach my $foil (@$order) {
 	    if (exists($answer{$foil})) {
-		if ($i == $correct) {
+		if ($foil eq $correct) {
 		    $toprow.='<td><b>true</b></td>';
 		} else {
 		    $toprow.='<td><i>true</i></td>';
@@ -326,7 +349,10 @@ sub cleanRecord {
 	    $result.='</ul>';
 	    return $result;
 	}
-       
+    } elsif ( $response =~ m/(?:numerical|formula)/) {
+	$answer = 
+	    &Apache::loncommon::format_previous_attempt_value('submission',
+							      $answer);
     }
     return $answer;
 }
@@ -372,6 +398,7 @@ COMMONJSFUNCTIONS
 sub getclasslist {
     my ($getsec,$filterlist) = @_;
     my @getsec;
+    my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
     if (!ref($getsec)) {
 	if ($getsec ne '' && $getsec ne 'all') {
 	    @getsec=($getsec);
@@ -401,8 +428,8 @@ sub getclasslist {
         my $status   = 
             $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()];
 	# filter students according to status selected
-	if ($filterlist && $env{'form.Status'} ne 'Any') {
-	    if ($env{'form.Status'} ne $status) {
+	if ($filterlist && (!($stu_status =~ /Any/))) {
+	    if (!($stu_status =~ $status)) {
 		delete ($classlist->{$student});
 		next;
 	    }
@@ -484,6 +511,7 @@ sub student_gradeStatus {
 # Shows a student's view of problem and submission
 sub jscriptNform {
     my ($symb) = @_;
+    my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
     my $jscript='<script type="text/javascript" language="javascript">'."\n".
 	'    function viewOneStudent(user,domain) {'."\n".
 	'	document.onestudent.student.value = user;'."\n".
@@ -495,7 +523,7 @@ sub jscriptNform {
 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($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".
@@ -720,10 +748,9 @@ LISTJAVASCRIPT
     if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
 	$gradeTable.='<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only </label>'."\n";
     }
-
-    my $saveStatus = $env{'form.Status'} eq '' ? 'Active' : $env{'form.Status'};
+    my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
+    my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
     $env{'form.Status'} = $saveStatus;
-
     $gradeTable.='<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only </label>'."\n".
 	'<label><input type="radio" name="lastSub" value="last" /> last submission & parts info </label>'."\n".
 	'<label><input type="radio" name="lastSub" value="datesub" /> by dates and submissions </label>'."\n".
@@ -734,8 +761,7 @@ LISTJAVASCRIPT
         '<option value=".25">Quarter Points</option>'.
         '<option value=".1">Tenths of a Point</option>'.
         '</select>'.
-
-	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
+        &build_section_inputs().
 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$env{'form.handgrade'}.'" /><br />'."\n".
 	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
@@ -745,7 +771,7 @@ LISTJAVASCRIPT
 	'<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 {
 	$gradeTable.='<b>Student Status:</b> '.
 	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
@@ -1661,6 +1687,19 @@ sub download_all_link {
     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) = @_;
@@ -1669,7 +1708,6 @@ sub submission {
     $udom = ($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 ''; }
 
@@ -1722,7 +1760,7 @@ 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 = ();
@@ -1741,11 +1779,11 @@ 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".
@@ -1756,7 +1794,7 @@ sub submission {
 			'<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"'.
@@ -1808,8 +1846,13 @@ KEYWORDS
         }
     }
 
+# This is where output for one specific student would start
+    my $bgcolor='#DDEEDD';
+    if (int($counter/2) eq $counter) { $bgcolor='#DDDDEE'; }
+    $request->print("\n\n".
+                    '<p><table border="2"><tr><th bgcolor="'.$bgcolor.'">'.$env{'form.fullname'}.'</th></tr><tr><td bgcolor="'.$bgcolor.'">');
+
     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';
@@ -2079,6 +2122,11 @@ KEYWORDS
     }
     $request->print($result.'</td></tr></table></td></tr></table>'."\n");
 
+# Done with printing info for one student
+
+    $request->print('</td></tr></table></p>');
+
+
     # print end of form
     if ($counter == $total) {
 	my $endform='<table border="0"><tr><td>'."\n";
@@ -2962,23 +3010,25 @@ sub viewgrades {
     $result.=&jscriptNform($symb);
 
     #beginning of class grading form
+    my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($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 $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
     if ($env{'form.section'} eq 'all') {
 	$sectionClass='Class </h3>';
     } elsif ($env{'form.section'} eq 'none') {
-	$sectionClass='Students in no Section </h3>';
+	$sectionClass=&mt('Students in no Section').'</h3>';
     } else {
-	$sectionClass='Students in Section '.$env{'form.section'}.'</h3>';
+	$sectionClass=&mt('Students in Section(s) [_1]',$section_display).'</h3>';
     }
-    $result.='<h3>Assign Common Grade To '.$sectionClass;
+    $result.='<h3>'.&mt('Assign Common Grade To [_1]',$sectionClass);
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
 	'<table border=0><tr bgcolor="#ffffdd"><td>';
     #radio buttons/text box for assigning points for a section or class.
@@ -3084,8 +3134,12 @@ sub viewgrades {
 	'onClick="javascript:submit();" target="_self" /></form>'."\n";
     if (scalar(%$fullname) eq 0) {
 	my $colspan=3+scalar(@parts);
-	$result='<span class="LC_warning">There are no students in section "'.$env{'form.section'}.
-	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</span>';
+	my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
+        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 $result;
@@ -3162,9 +3216,10 @@ sub editgrades {
     my ($request) = @_;
 
     my $symb=&get_symb($request);
-    my $title='<h3><span class="LC_info">Current Grade Status</span></h3>';
-    $title.='<h4><b>Current Resource: </b>'.$env{'form.probTitle'}.'</h4><br />'."\n";
-    $title.='<h4><b>Section: </b>'.$env{'form.section'}.'</h4>'."\n";
+    my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
+    my $title='<h3><span class="LC_info">'.&mt('Current Grade Status').'</span></h3>';
+    $title.='<h4>'.&mt('<b>Current Resource: </b>[_1]',$env{'form.probTitle'}).'</h4><br />'."\n";
+    $title.='<h4>'.&mt('<b>Section: </b>[_1]',$section_display).'</h4>'."\n";
 
     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
     $result.= '<table border="0"><tr bgcolor="#deffff">'.
@@ -3362,7 +3417,7 @@ sub split_part_type {
     my ($partstr) = @_;
     my ($temp,@allparts)=split(/_/,$partstr);
     my $type=pop(@allparts);
-    my $part=join('.',@allparts);
+    my $part=join('_',@allparts);
     return ($part,$type);
 }
 
@@ -3865,9 +3920,10 @@ LISTJAVASCRIPT
 	'<label><input type="radio" name="lastSub" value="none" /> none</label>'."\n".
 	'<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> by dates and submissions</label>'."\n".
 	'<label><input type="radio" name="lastSub" value="all" /> all details</label>'."\n";
-
-    $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
-	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
+    
+    $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="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
@@ -4381,7 +4437,7 @@ one of the predefined configurations for
 like.
 
 Next each scanline is checked for any errors of either 'missing
-bubbles' (it's an error because it may have been missed scanned
+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 ID
@@ -4392,7 +4448,7 @@ username:domain.
 
 During the validation phase the instructor can choose to skip scanlines. 
 
-After the validation phase, there is now 3 bubble sheet files
+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)
@@ -6462,6 +6518,7 @@ sub scantron_validate_doublebubble {
 =cut
 
 sub scantron_get_maxbubble {    
+
     if (defined($env{'form.scantron_maxbubble'}) &&
 	$env{'form.scantron_maxbubble'}) {
 	return $env{'form.scantron_maxbubble'};
@@ -6476,14 +6533,40 @@ sub scantron_get_maxbubble {
 
     &Apache::lonxml::clear_problem_counter();
 
+    my $uname       = $env{'form.student'};
+    my $udom        = $env{'form.userdom'};
+    my $cid         = $env{'request.course.id'};
+    my $total_lines = 0;
+    %bubble_lines_per_response = ();
+
     foreach my $resource (@resources) {
+	my $symb = $resource->symb();
 	my $result=&Apache::lonnet::ssi($resource->src(),
-					('symb' => $resource->symb()));
+					('symb' => $resource->symb()),
+					('grade_target' => 'analyze'),
+					('grade_courseid' => $cid),
+					('grade_domain' => $udom),
+					('grade_username' => $uname));
+	my (undef, $an) =
+	    split(/_HASH_REF__/,$result, 2);
+
+	my %analysis = &Apache::lonnet::str2hash($an);
+
+
+
+	foreach my $part_id (@{$analysis{'parts'}}) {
+	    my $bubble_lines = $analysis{"$part_id.bubble_lines"}[0];
+	    if (!$bubble_lines) {
+		$bubble_lines = 1;
+	    }
+	    $bubble_lines_per_response{"$symb.$part_id"} = $bubble_lines;
+	    $total_lines = $total_lines + $bubble_lines;
+	}
+
     }
     &Apache::lonnet::delenv('scantron\.');
     $env{'form.scantron_maxbubble'} =
-	&Apache::lonxml::get_problem_counter()-1;
-
+	$total_lines;
     return $env{'form.scantron_maxbubble'};
 }
 
@@ -6862,8 +6945,198 @@ sub savedState {
     return \%savedState;
 }
 
-#--- Displays the main menu page -------
-sub gradingmenu {
+sub grading_menu {
+    my ($request) = @_;
+    my ($symb)=&get_symb($request);
+    if (!$symb) {return '';}
+    my $probTitle = &Apache::lonnet::gettitle($symb);
+    my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
+
+    #
+    # Define menu data
+    $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
+    my ($table) = &showResourceInfo($symb,$env{'form.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 $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+    my @menu = ({ url => $url,
+                     name => &mt('Manual Grading/View Submissions'),
+                     short_description => 
+    &mt('Start the process of hand grading submissions.'),
+                 });
+    $fields{'command'} = 'csvform';
+    $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+    push (@menu, { url => $url,
+                   name => &mt('Upload Scores'),
+                   short_description => 
+            &mt('Specify a file containing the class scores for current resource.')});
+    $fields{'command'} = 'processclicker';
+    $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+    push (@menu, { url => $url,
+                   name => &mt('Process Clicker'),
+                   short_description => 
+            &mt('Specify a file containing the clicker information for this resource.')});
+    $fields{'command'} = 'scantron_selectphase';
+    $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+    push (@menu, { url => $url,
+                   name => &mt('Grade Scantron Forms'),
+                   short_description => 
+            &mt('')});
+    $fields{'command'} = 'verify';
+    $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
+    push (@menu, { url => "",
+                   jscript => ' onClick="javascript:checkChoice2(document.forms.gradingMenu,\'5\',\'verify\')" ',
+                   name => &mt('Verify Receipt'),
+                   short_description => 
+            &mt('')});
+    $fields{'command'} = 'manage';
+    $url = &Apache::lonhtmlcommon::build_url('/adm/helper/resettimes.helper',\%fields);
+    push (@menu, { url => $url,
+                   name => &mt('Manage Access Times'),
+                   short_description => 
+            &mt('')});
+    $fields{'command'} = 'view';
+    $url = &Apache::lonhtmlcommon::build_url('/adm/pickcode',\%fields);
+    push (@menu, { url => $url,
+                   name => &mt('View Saved CODEs'),
+                   short_description => 
+            &mt('')});
+
+    #
+    # 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.'" ue="" />'."\n".
+	'<input type="hidden" name="saveState"   value="" />'."\n".
+	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
+	'<input type="hidden" name="showgrading" value="yes" />'."\n";
+
+    foreach my $menudata (@menu) {
+        if ($menudata->{'name'} ne &mt('Verify Receipt')) {
+            $Str .='    <h3><a '.
+                $menudata->{'jscript'}.
+                ' href="'.
+                $menudata->{'url'}.'" >'.
+                $menudata->{'name'}."</a></h3>\n";
+        } else {
+            $Str .='    <h3><a '.
+                $menudata->{'jscript'}.
+                ' nohref="nohref" >'.
+                $menudata->{'name'}."</a></h3>\n";
+            $Str .= ' receipt: '.&Apache::lonnet::recprefix($env{'request.course.id'}).
+                    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />';
+        }
+        $Str .= '    '.('&nbsp;'x8).$menudata->{'short_description'}.
+            "\n";
+    }
+    $Str .="</dl>\n";
+    $Str .="</form>\n";
+    $request->print(<<GRADINGMENUJS);
+<script type="text/javascript" language="javascript">
+    function checkChoice(formname,val,cmdx) {
+	if (val <= 2) {
+	    var cmd = radioSelection(formname.radioChoice);
+	    var cmdsave = cmd;
+	} else {
+	    cmd = cmdx;
+	    cmdsave = 'submission';
+	}
+	formname.command.value = cmd;
+	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
+	    ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
+	if (val < 5) formname.submit();
+	if (val == 5) {
+	    if (!checkReceiptNo(formname,'notOK')) { return false;}
+	    formname.submit();
+	}
+	if (val < 7) formname.submit();
+    }
+    function checkChoice2(formname,val,cmdx) {
+	if (val <= 2) {
+	    var cmd = radioSelection(formname.radioChoice);
+	    var cmdsave = cmd;
+	} else {
+	    cmd = cmdx;
+	    cmdsave = 'submission';
+	}
+	formname.command.value = cmd;
+	if (val < 5) formname.submit();
+	if (val == 5) {
+	    if (!checkReceiptNo(formname,'notOK')) { return false;}
+	    formname.submit();
+	}
+	if (val < 7) formname.submit();
+    }
+
+    function checkReceiptNo(formname,nospace) {
+	var receiptNo = formname.receipt.value;
+	var checkOpt = false;
+	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
+	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
+	if (checkOpt) {
+	    alert("Please enter a receipt number given by a student in the receipt box.");
+	    formname.receipt.value = "";
+	    formname.receipt.focus();
+	    return false;
+	}
+	return true;
+    }
+</script>
+GRADINGMENUJS
+    &commonJSfunctions($request);
+    my $result='<h3>&nbsp;<span class="LC_info">Manual Grading/View Submission</span></h3>';
+    $result.=$table;
+    my (undef,$sections) = &getclasslist('all','0');
+    my $savedState = &savedState();
+    my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
+    my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
+    my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
+    my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
+
+    $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
+	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
+	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
+	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" ue="" />'."\n".
+	'<input type="hidden" name="saveState"   value="" />'."\n".
+	'<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".
+	'<table width="100%" border="0"><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
+	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
+	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
+
+    $result.='<table width="100%" border="0">';
+    $result.='<tr bgcolor="#ffffe6" valign="top">'."\n";
+    $result.='<td><b>'.&mt('Sections').'</b></td>';
+#    $result.='<td>Groups</td>';
+    $result.='<td><b>'.&mt('Access Status').'</td>'."\n";
+    $result.='</tr>';
+    $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
+	'&nbsp;<select name="section" multiple="multiple" size="3">'."\n";
+    if (ref($sections)) {
+	foreach (sort (@$sections)) {
+	    $result.='<option value="'.$_.'" '.
+		($saveSec eq $_ ? 'selected="selected"':'').'>'.$_.'</option>'."\n";
+	}
+    }
+    $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="selected"' : ''). '>all</option></select> &nbsp; ';
+    return $Str;    
+}
+
+
+#--- Displays the submissions first page -------
+sub submit_options {
     my ($request) = @_;
     my ($symb)=&get_symb($request);
     if (!$symb) {return '';}
@@ -6931,8 +7204,13 @@ GRADINGMENUJS
 	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
 
     $result.='<table width="100%" border="0">';
+    $result.='<tr bgcolor="#ffffe6" valign="top">'."\n";
+    $result.='<td><b>'.&mt('Sections').'</b></td>';
+#    $result.='<td>Groups</td>';
+    $result.='<td><b>'.&mt('Access Status').'</td>'."\n";
+    $result.='</tr>';
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
-	'&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
+	'&nbsp;<select name="section" multiple="multiple" size="3">'."\n";
     if (ref($sections)) {
 	foreach (sort (@$sections)) {
 	    $result.='<option value="'.$_.'" '.
@@ -6940,12 +7218,14 @@ GRADINGMENUJS
 	}
     }
     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="selected"' : ''). '>all</option></select> &nbsp; ';
-
-    $result.=&mt('Student Status').':'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
+#    $result.= '</td><td>'."\n";
+#    $result.='Put group select here'."\n";
+    $result.='</td><td>'."\n";
+    $result.=&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,3,undef,'mult');
 
     $result.='</td></tr>';
 
-    $result.='<tr bgcolor="#ffffe6"valign="top"><td><label>'.
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="3"><label>'.
 	'<input type="radio" name="radioChoice" value="submission" '.
 	($saveCmd eq 'submission' ? 'checked="checked"' : '').' /> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
 	'</label> <select name="submitonly">'.
@@ -6960,17 +7240,17 @@ GRADINGMENUJS
 	'<option value="all" '.
 	($saveSub eq 'all' ? 'selected="selected"' : '').'>'.&mt('with any status').'</option></select></td></tr>'."\n";
 
-    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
 	'<label><input type="radio" name="radioChoice" value="viewgrades" '.
 	($saveCmd eq 'viewgrades' ? 'checked="checked"' : '').' /> '.
 	'<b>Current Resource:</b> For all students in selected section or course</label></td></tr>'."\n";
 
-    $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
+    $result.='<tr bgcolor="#ffffe6" valign="top"><td colspan="2">'.
 	'<label><input type="radio" name="radioChoice" value="pickStudentPage" '.
 	($saveCmd eq 'pickStudentPage' ? 'checked="checked"' : '').' /> '.
 	'The <b>complete</b> set/page/sequence: For one student</label></td></tr>'."\n";
 
-    $result.='<tr bgcolor="#ffffe6"><td><br />'.
+    $result.='<tr bgcolor="#ffffe6"><td colspan="2"><br />'.
 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
 	'</td></tr></table>'."\n";
 
@@ -7040,9 +7320,10 @@ sub gather_clicker_ids {
     # 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 =
@@ -7284,6 +7565,8 @@ ENDHEADER
     }
     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
              '<input type="hidden" name="number" value="'.$number.'" />'.
+             &mt('Awarding [_1] percent for corrion(s)',$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 />';
@@ -7303,8 +7586,21 @@ ENDHEADER
           $result.="\n".'<input type="hidden" name="correct:'.$correct_count.':'.$correct_ids{$id}.'" value="'.$responses{$id}.'" />';
           $correct_count++;
        } elsif ($clicker_ids{$id}) {
-          $result.="\n".'<input type="hidden" name="student:'.$clicker_ids{$id}.'" value="'.$responses{$id}.'" />';
-          $student_count++;
+          if ($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}.'" />'.
@@ -7324,6 +7620,9 @@ ENDHEADER
           $result.='<br /><span class="LC_warning">'.&mt("Found [_1] entries for grading!",$correct_count).'</span>';
        }
     }
+    if ($number<1) {
+       $errormsg.="Found no questions.";
+    }
     if ($errormsg) {
        $result.='<br /><span class="LC_error">'.&mt($errormsg).'</span>';
     } else {
@@ -7452,6 +7751,8 @@ ENDHEADER
           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) { 
@@ -7497,7 +7798,7 @@ ENDHEADER
 sub handler {
     my $request=$_[0];
 
-    &reset_perm();
+    &reset_caches();
     if ($env{'browser.mathml'}) {
 	&Apache::loncommon::content_type($request,'text/xml');
     } else {
@@ -7506,6 +7807,7 @@ sub handler {
     $request->send_http_header;
     return '' if $request->header_only;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
+    &Apache::lonnet::logthis("receipt is ".$env{'form.receipt'});
     my $symb=&get_symb($request,1);
     my @commands=&Apache::loncommon::get_env_multiple('form.command');
     my $command=$commands[0];
@@ -7552,7 +7854,9 @@ 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'}) {
@@ -7610,6 +7914,7 @@ sub handler {
 	}
     }
     $request->print(&Apache::loncommon::end_page());
+    &reset_caches();
     return '';
 }