--- loncom/interface/lonnavdisplay.pm	2022/06/11 04:32:23	1.39
+++ loncom/interface/lonnavdisplay.pm	2022/10/19 00:03:10	1.40
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Display Handler
 #
-# $Id: lonnavdisplay.pm,v 1.39 2022/06/11 04:32:23 raeburn Exp $
+# $Id: lonnavdisplay.pm,v 1.40 2022/10/19 00:03:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -78,10 +78,14 @@ sub real_handler {
         $r->send_http_header;
         $r->print(&Apache::loncommon::check_release_result(@reinit));
         return OK;
-    } elsif ($result eq 'update') {
-        my $cid = $env{'request.course.id'};
-        my $cnum = $env{'course.'.$cid.'.num'};
-        my $cdom = $env{'course.'.$cid.'.domain'};
+    }
+    my ($cid,$cnum,$cdom);
+    if ($result) {
+        $cid = $env{'request.course.id'};
+        $cnum = $env{'course.'.$cid.'.num'};
+        $cdom = $env{'course.'.$cid.'.domain'};
+    }
+    if (($result eq 'main') || ($result eq 'both')) {
         &Apache::loncommon::content_type($r,'text/html');
         $r->send_http_header;
         &startpage($r);
@@ -111,6 +115,16 @@ ENDCLOSE
             return HTTP_NOT_ACCEPTABLE;
         }
     }
+    if (($result eq 'both') || ($result eq 'supp')) {
+        my $possdel;
+        if ($result eq 'supp') {
+            $possdel = 1;
+        }
+        my ($supplemental,$refs_updated) = &Apache::lonnet::get_supplemental($cnum,$cdom,'',$possdel);
+        unless ($refs_updated) {
+            &Apache::loncommon::set_supp_httprefs($cnum,$cdom,$supplemental,$possdel);
+        }
+    }
 
     my $course_type = &Apache::loncommon::course_type();
     if (($course_type eq 'Placement') && (!$env{'request.role.adv'})) { 
@@ -370,14 +384,15 @@ sub startContentScreen {
 
     $r->print("\n".'<ul class="LC_TabContentBigger" id="mainnav">'."\n");
     $r->print('<li'.(($mode eq 'navmaps')?' class="active"':'').'><a href="/adm/navmaps"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Main Content').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n");
-    my $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
-    my ($suppcount,$errors);
-    unless ($allowed) {
+    my $supptab;
+    if ($env{'request.role.adv'}) {
+        $supptab = 1;
+    } else {
         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        ($suppcount,$errors) = &Apache::lonnet::get_numsuppfiles($cnum,$cdom);
+        $supptab = &Apache::lonnet::has_unhidden_suppfiles($cnum,$cdom);
     }
-    if ($allowed || $suppcount) {
+    if ($supptab) {
         $r->print('<li '.(($mode eq 'supplemental')?' class="active"':'').'><a href="/adm/supplemental"><b>'.&mt('Supplemental Content').'</b></a></li>');
     }
     $r->print('<li'.(($mode eq 'coursesearch')?' class="active"':'').'><a href="/adm/searchcourse"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Search').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n");