--- loncom/interface/spreadsheet/lonspreadsheet.pm	2003/11/21 18:18:04	1.30
+++ loncom/interface/spreadsheet/lonspreadsheet.pm	2004/06/08 15:55:38	1.38
@@ -1,5 +1,5 @@
 #
-# $Id: lonspreadsheet.pm,v 1.30 2003/11/21 18:18:04 albertel Exp $
+# $Id: lonspreadsheet.pm,v 1.38 2004/06/08 15:55:38 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -240,7 +240,8 @@ sub handler {
     # Get query string for limited number of parameters
     #
     &Apache::loncommon::get_unprocessed_cgi
-        ($ENV{'QUERY_STRING'},['sname','sdomain','usymb','filename','recalc']);
+        ($ENV{'QUERY_STRING'},['sname','sdomain','usymb','filename','recalc',
+                               'output_format','not_first_run']);
     #
     # Deal with restricted student permissions 
     #
@@ -256,10 +257,12 @@ sub handler {
     $symb = $ENV{'form.usymb'} if (exists($ENV{'form.usymb'}));
     my $name   = $ENV{'user.name'};
     my $domain = $ENV{'user.domain'};
-    if (exists($ENV{'form.sname'})) {
+    if (exists($ENV{'form.sname'}) && $ENV{'form.sname'} ne '') {
         $name   = $ENV{'form.sname'};
         $domain = $ENV{'form.sdomain'};
     }
+    $ENV{'form.sname'} = $name;
+    $ENV{'form.sdomain'} = $domain;
     ##
     ## Check permissions
     my $allowed_to_edit = &Apache::lonnet::allowed('mgr',
@@ -365,7 +368,15 @@ sub handler {
 </script>
 ENDSCRIPT
     }
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    &Apache::lonhtmlcommon::add_breadcrumb
+        ({href  => $r->uri,
+          title => 'Spreadsheet',
+          text  => 'Spreadsheet',
+          faq   => 134,
+          bug   => 'Spreadsheet'});
     $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
+              &Apache::lonhtmlcommon::breadcrumbs(undef,'Spreadsheet').
               '<form action="'.$r->uri.'" name="sheet" method="post">');
     $r->print(&hiddenfield('sname'  ,$ENV{'form.sname'}).
               &hiddenfield('sdomain',$ENV{'form.sdomain'}).
@@ -389,23 +400,35 @@ ENDSCRIPT
             &Apache::loncoursedata::delete_caches($ENV{'requres.course.id'});
         }
         if ($ENV{'form.recalc'} eq 'ilovewastingtime') {
-            &Apache::lonnet::logthis('ilovewastingtime');
+            &Apache::lonnet::logthis('spreadsheet expired: entire course');
             # expire ALL spreadsheets
             &Apache::lonnet::expirespread('','','studentcalc');
             &Apache::lonnet::expirespread('','','assesscalc');
+            $r->print('<h3>'.
+                      &mt('Expired spreadsheet caches for all students').
+                      '</h3>');
         } elsif ($ENV{'form.recalc'} =~ /^symb:/) {
             # expire for all students on this symb
             my ($symb) = ($ENV{'form.recalc'} =~ /^symb:(.*)$/);
-            &Apache::lonnet::logthis('symb = '.$symb);
+            &Apache::lonnet::logthis('spreadsheet expired: symb = '.$symb);
             &Apache::lonnet::expirespread('','','assesscalc',$symb);
             &Apache::lonnet::expirespread('','','studentcalc');
+            $r->print('<h3>'.
+              &mt('Expired spreadsheet caches for all students for symb  [_1]',
+                  $symb).
+                      '</h3>');
         } elsif ($ENV{'form.recalc'} =~ /^student:/) {
             # expire all assessment spreadsheets for this user
             my ($sname,$sdom) = ($ENV{'form.recalc'}=~/^student:(.*):(.*)$/);
-            &Apache::lonnet::logthis('student = '.$sname.':'.$sdom);
+            &Apache::lonnet::logthis('spreadsheet expired: student = '.
+                                     $sname.'@'.$sdom);
             if (defined($sname) && defined($sdom)) {
                 &Apache::lonnet::expirespread($sname,$sdom,'assesscalc');
                 &Apache::lonnet::expirespread($sname,$sdom,'studentcalc');
+                $r->print('<h3>'.
+                          &mt('Expired spreadsheet caches for student [_1]',
+                              $sname.'@'.$sdom).
+                          '</h3>');
             }
         }
     }
@@ -450,8 +473,10 @@ ENDSCRIPT
             }
             $action_message .= '.';
         }
-        $r->print('<table><tr><td>'.$spreadsheet->html_header().'</td>'.
-                  '<td valign="bottom">'.$html."</td></tr></table>\n");
+        $r->print('<table><tr><td valign="top">'.
+                  $spreadsheet->html_header().
+                  '</td>'.
+                  '<td valign="center">'.$html."</td></tr></table>\n");
         if ($action_message ne '') {
             $r->print(<<END);
 <table>
@@ -470,11 +495,9 @@ END
     $r->rflush();
     #
     $r->print("<table><tr>");
-    if ($sheettype eq 'classcalc') {
-        $r->print('<td><input type="submit" value="'.
-		  &mt('Generate Spreadsheet').'" />'.
-                  '</td>');
-    }
+    $r->print('<td><input type="submit" value="'.
+              &mt('Generate Spreadsheet').'" />'.
+              '</td>');
     if ($allowed_to_view) {
         $r->print('<td>'.
                   &Apache::loncommon::help_open_topic("Spreadsheet_About",