--- loncom/interface/lonmenu.pm	2012/12/27 00:24:45	1.401
+++ loncom/interface/lonmenu.pm	2012/12/28 17:08:44	1.404
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.401 2012/12/27 00:24:45 raeburn Exp $
+# $Id: lonmenu.pm,v 1.404 2012/12/28 17:08:44 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -326,6 +326,15 @@ sub secondary_menu {
     my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec); 
     my $author        = &getauthor();
 
+    my ($canmodifycoauthor); 
+    if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
+        my $extent = "$env{'user.domain'}/$env{'user.name'}";
+        if ((&Apache::lonnet::allowed('cca',$extent)) ||
+            (&Apache::lonnet::allowed('caa',$extent))) {
+            $canmodifycoauthor = 1;
+        }
+    }
+
     my %groups = &Apache::lonnet::get_active_groups(
                      $env{'user.domain'}, $env{'user.name'},
                      $env{'course.' . $env{'request.course.id'} . '.domain'},
@@ -337,7 +346,7 @@ sub secondary_menu {
         # evaluate conditions 
         next if    ref($menuitem)  ne 'ARRAY';
         next if    $$menuitem[4]   ne 'always'
-                && $$menuitem[4]   ne 'author'
+                && ($$menuitem[4]   ne 'author' && $$menuitem[4] ne 'cca')
                 && !$env{'request.course.id'};
         next if    $$menuitem[4]   =~ /^mdc/
                 && !$canedit;
@@ -362,6 +371,8 @@ sub secondary_menu {
                 && !%groups;
         next if    $$menuitem[4]    eq 'author'
                 && !$author;
+        next if    $$menuitem[4]    eq 'cca'
+                && !$canmodifycoauthor;
 
         if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
             # special treatment for role selector
@@ -1663,12 +1674,18 @@ sub roles_selector {
         }
     }
     if ($crstype eq 'Community') {
-        $switchtext = &mt('Switch community role to...')
+        $switchtext = &mt('Switch community role')
     } else {
-        $switchtext = &mt('Switch course role to...')
+        $switchtext = &mt('Switch course role')
     }
     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
-    if (keys(%courseroles) > 1) {
+    my $numdiffsec;
+    if (keys(%seccount) == 1) {
+        foreach my $key (keys(%seccount)) {
+            $numdiffsec = $seccount{$key};
+        }
+    }
+    if ((keys(%seccount) > 1) || ($numdiffsec > 1)) {
         my @submenu;
         $js = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
         $form = 
@@ -1677,19 +1694,42 @@ sub roles_selector {
             &HTML::Entities::encode($destinationurl).'" />'."\n".
             '  <input type="hidden" name="gotorole" value="1" />'."\n".
             '  <input type="hidden" name="selectrole" value="" />'."\n".
-            '  <input type="hidden" name="switchrole" value="" />'."\n".
-            '</form>'."\n";
+            '  <input type="hidden" name="switchrole" value="" />'."\n";
+        if ($destsymb ne '') {
+            $form .= '  <input type="hidden" name="destsymb" value="'.
+                        &HTML::Entities::encode($destsymb).'" />'."\n";
+        }
+        $form .= '</form>'."\n";
         foreach my $role (@roles_order) {
+            my $include;
             if (defined($courseroles{$role})) {
+                if ($env{'request.role'} =~ m{^\Q$role\E}) {
+                    if ($seccount{$role} > 1) {
+                        $include = 1;
+                    }
+                } else {
+                    $include = 1;
+                }
+            }
+            if ($include) {
                 push(@submenu,['javascript:adhocRole('."'$role'".')',
                                &Apache::lonnet::plaintext($role,$crstype)]);
             }
         }
         foreach my $role (sort(keys(%courseroles))) {
             if ($role =~ /^cr/) {
-                 push(@submenu,['javascript:adhocRole('."'$role'".')',
-                                &Apache::lonnet::plaintext($role)]);
-
+                my $include;
+                if ($env{'request.role'} =~ m{^\Q$role\E}) {
+                    if ($seccount{$role} > 1) {
+                        $include = 1;
+                    }
+                } else {
+                    $include = 1; 
+                }
+                if ($include) {
+                    push(@submenu,['javascript:adhocRole('."'$role'".')',
+                                   &Apache::lonnet::plaintext($role)]);
+                }
             }
         }
         if (@submenu > 0) {