--- loncom/interface/statistics/lonstathelpers.pm	2020/09/07 02:25:32	1.78
+++ loncom/interface/statistics/lonstathelpers.pm	2020/10/08 12:02:07	1.80
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstathelpers.pm,v 1.78 2020/09/07 02:25:32 raeburn Exp $
+# $Id: lonstathelpers.pm,v 1.80 2020/10/08 12:02:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -73,7 +73,7 @@ use LONCAPA;
 
 Input: a navmaps resource
 
-Retunrs: a scalar containing html for a rendering of the problem
+Returns: a scalar containing html for a rendering of the problem
 within a table.
 
 =cut
@@ -85,7 +85,7 @@ sub render_resource {
     ##
     ## Render the problem
     my ($base) = ($resource->src =~ m|^(.*/)[^/]*$|);
-    $base="http://".$ENV{'SERVER_NAME'}.$base;
+    $base=&Apache::lonnet::absolute_url().$base;
     my ($src,$symb)=($resource->link,&escape($resource->shown_symb));
     my $rendered_problem = &Apache::lonnet::ssi_body($src.'?symb='.$symb);
     $rendered_problem =~ s/<\s*form\s*/<nop /g;
@@ -262,8 +262,8 @@ sub problem_selector {
                             $seq_str .= ('&nbsp;'x2).
                                         '<a target="preview" href="'.$link.'">'.&mt('view').'</a>';
                             $seq_str .= "</td>". &Apache::loncommon::end_data_table_row()."\n";
-                            $rb_count++;
                         }
+                        $rb_count++;
                     }
                 }
             }
@@ -290,6 +290,15 @@ sub problem_selector {
         }
     }
     $Str .= &Apache::loncommon::end_data_table().&Apache::loncommon::end_scrollbox()."\n";
+    if (!$rb_count) {
+        if ($byres) {
+            $Str = '<p class="LC_info">'.&mt('No gradable problems found').'</p>';
+        } elsif ($AcceptedResponseTypes eq '.') {
+            $Str = '<p class="LC_info">'.&mt('No problems found').'</p>';
+        } else {
+            $Str = '<p class="LC_info">'.&mt('No analyzable problems found').'</p>';
+        }
+    }
     return $Str;
 }