--- loncom/interface/spreadsheet/studentcalc.pm	2003/05/19 15:48:18	1.3
+++ loncom/interface/spreadsheet/studentcalc.pm	2003/05/22 21:16:35	1.4
@@ -1,5 +1,5 @@
 #
-# $Id: studentcalc.pm,v 1.3 2003/05/19 15:48:18 matthew Exp $
+# $Id: studentcalc.pm,v 1.4 2003/05/22 21:16:35 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -156,24 +156,40 @@ END
         $label_num++;
     }
     $tableheader .="</tr>\n";
-    #
-    $r->print($tableheader);
-    #
-    # Print out template row
-    $r->print('<tr><td>Template</td><td>&nbsp;</td>'.
-	      $self->html_template_row($num_uneditable)."</tr>\n");
-    #
-    # Print out summary/export row
-    $r->print('<tr><td>Export</td><td>0</td>'.
-	      $self->html_export_row()."</tr>\n");
+    if ($self->blackout()) {
+        $r->print('<font color="red" size="+2"><p>'.
+                  'Some computations are not available at this time.<br />'.
+                  'There are problems whose status you are allowed to view.'.
+                  '</font></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>'.
+                      $self->html_template_row($num_uneditable)."</tr>\n");
+        }
+        #
+        # Print out summary/export row
+        $r->print('<tr><td>Summary</td><td>0</td>'.
+                  $self->html_export_row()."</tr>\n");
+    }
     $r->print("</table>\n");
     #
     # Prepare to output rows
-    $tableheader =<<"END";
+    if (exists($ENV{'request.role.adv'}) && $ENV{'request.role.adv'}) {
+        $tableheader =<<"END";
 </p><p>
 <table border="2">
 <tr><th>Row</th><th>Assessment</th>
 END
+    } else {
+        $tableheader =<<"END";
+</p><p>
+<table border="2">
+<tr><th>&nbsp;</th><th>Assessment</th>
+END
+    }
     foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
 	if ($label_num<$num_uneditable) { 
             $tableheader.='<td bgcolor="#FFDDDD">';
@@ -203,19 +219,25 @@ END
                     '<a href="/adm/assesscalc?sname='.$self->{'name'}.
                     '&sdomain='.$self->{'domain'}.
                     '&filename='.$assess_filename.
-                    '&usymb='.&Apache::lonnet::escape($resource->{'symb'}).'">'.
-                    $resource->{'title'}.'</a><br />';
+                    '&usymb='.&Apache::lonnet::escape($resource->{'symb'}).
+                    '">'.$resource->{'title'}.'</a><br />';
                 $row_output .= &assess_file_selector($rownum,
                                                      $assess_filename,
                                                      \@AssessFileNames).
                                                          '</td>';
             } else {
                 $row_output .= '<td><a href="'.$resource->{'src'}.'?symb='.
-                    &Apache::lonnet::escape($resource->{'symb'}).'>Go To</a>';
+                    &Apache::lonnet::escape($resource->{'symb'}).
+                    '">Go&nbsp;To</a>';
                 $row_output .= '</td><td>'.$resource->{'title'}.'</td>';
             }
-            $row_output .= $self->html_row($num_uneditable,$rownum).
-                "</tr>\n";
+            if ($self->blackout() && $self->{'blackout_rows'}->{$rownum}>0) {
+                $row_output .= 
+                    '<td colspan="52">Unavailable at this time</td></tr>'."\n";
+            } else {
+                $row_output .= $self->html_row($num_uneditable,$rownum).
+                    "</tr>\n";
+            }
             $r->print($row_output);
 	}
 	$r->print("</table>\n");
@@ -356,6 +378,10 @@ sub compute {
                                                       $assess_filename,
                                                       $resource->{'symb'});
             my @exportdata = $assessSheet->export_data();
+            if ($assessSheet->blackout()) {
+                $self->blackout(1);
+                $self->{'blackout_rows'}->{$rownum} = 1;
+            }
             #
             # Be sure not to disturb the formulas in the 'A' column
             my $data = shift(@exportdata);