--- loncom/interface/spreadsheet/studentcalc.pm	2007/07/06 19:50:00	1.43
+++ loncom/interface/spreadsheet/studentcalc.pm	2017/12/31 15:27:03	1.47
@@ -1,5 +1,5 @@
 #
-# $Id: studentcalc.pm,v 1.43 2007/07/06 19:50:00 albertel Exp $
+# $Id: studentcalc.pm,v 1.47 2017/12/31 15:27:03 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -100,11 +100,15 @@ sub initialize_sequence_cache {
     }
     my @all_sequences = $navmap->retrieveResources(undef,
                                                sub { shift->is_map(); },1,0,1);
-    for my $sequence ($navmap->getById('0.0'), @all_sequences) {
-	if ($navmap->hasResource($sequence,sub { shift->is_problem(); }, 0,1)){
-            push(@Sequences,$sequence);
-	    &get_resources($sequence);
-        }
+    my $toplevelseq = $navmap->getById('0.0');
+    if (!grep(/^\Q$toplevelseq\E$/,@all_sequences)) {
+         unshift(@all_sequences,$toplevelseq);
+    }
+    foreach my $sequence (@all_sequences) {
+       if ($navmap->hasResource($sequence,sub { shift->is_gradable(); }, 0,1)){
+           push(@Sequences,$sequence);
+           &get_resources($sequence);
+       }
     }
 }
 
@@ -116,7 +120,7 @@ sub get_resources {
     }
     return () if (! defined($navmap) || ! ref($navmap));
     my @resources = $navmap->retrieveResources($seq,
-                                               sub { shift->is_problem(); },
+                                               sub { shift->is_gradable(); },
                                                0,0,1);
     $res_memoize{$seq->symb()}=\@resources;
     return @resources;
@@ -223,16 +227,16 @@ END
     }
     $tableheader .="</tr>\n";
     if ($self->blackout()) {
-        $r->print('<font color="red" size="+2"><p>'.
+        $r->print('<p class="LC_warning">'.
                   &mt('Some computations are not available at this time.').'<br />'.
                   &mt('There are problems whose status you are not allowed to view.').
-                  '</font></p>'."\n");
+                  '</p>'."\n");
     } else {
         $r->print($tableheader);
         #
         # Print out template row
         if (exists($env{'request.role.adv'}) && $env{'request.role.adv'}) {
-            $r->print('<tr><td>Template</td><td>&nbsp;</td>'.
+            $r->print('<tr><td>'.&mt('Template').'</td><td>&nbsp;</td>'.
                       $self->html_template_row($num_uneditable,
                                                $importcolor)."</tr>\n");
         }
@@ -303,7 +307,7 @@ END
             } else {
                 $row_output .= '<td><a href="'.$resource->src.'?symb='.
                     &escape($resource->symb).
-                    '">Go&nbsp;To</a>';
+                    '"><span class="LC_nobreak">'.&mt('Go To').'</span></a>';
                 $row_output .= '</td><td>'.$resource->compTitle.'</td>';
             }
             if ($self->blackout() && $self->{'blackout_rows'}->{$rownum}>0) {