--- loncom/interface/courseprefs.pm	2016/03/04 21:43:15	1.76
+++ loncom/interface/courseprefs.pm	2016/05/13 19:03:36	1.78
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set configuration settings for a course
 #
-# $Id: courseprefs.pm,v 1.76 2016/03/04 21:43:15 raeburn Exp $
+# $Id: courseprefs.pm,v 1.78 2016/05/13 19:03:36 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -419,6 +419,7 @@ sub handler {
                     { text => 'Discussion and Chat',
                       help => 'Course_Prefs_Discussions',
                       ordered => ['pch.roles.denied','pch.users.denied',
+                                  'pac.roles.denied','pac.users.denied',
                                   'plc.roles.denied','plc.users.denied',
                                   'allow_limited_html_in_feedback',
                                   'allow_discussion_post_editing',
@@ -428,9 +429,11 @@ sub handler {
                          'pch.users.denied'             => 'No Resource Discussion',
                          'plc.roles.denied'             => 'No Chat room use',
                          'plc.users.denied'             => 'No Chat room use',
+                         'pac.roles.denied'             => 'No Anonymous Resource Discussion',
+                         'pac.users.denied'             => 'No Anonymous Resource Discussion',  
                          allow_limited_html_in_feedback => 'Allow limited HTML in discussion',
                          allow_discussion_post_editing  => 'Users can edit/delete own discussion posts',
-                         discussion_post_fonts       => 'Discussion post fonts based on likes/unlikes',
+                         discussion_post_fonts          => 'Discussion post fonts based on likes/unlikes',
                                   },
                     },
         'classlists' =>
@@ -1021,7 +1024,8 @@ sub process_changes {
                                     }
                                 }
                             }
-                        } elsif (($entry eq 'plc.roles.denied') || ($entry eq 'pch.roles.denied')) {
+                        } elsif (($entry eq 'plc.roles.denied') || ($entry eq 'pch.roles.denied') ||
+                                 ($entry eq 'pac.roles.denied')) {
                             my @denied = &Apache::loncommon::get_env_multiple('form.'.$entry);
                             @denied = sort(@denied);
                             my $deniedstr = '';
@@ -1029,7 +1033,8 @@ sub process_changes {
                                 $deniedstr = join(',',@denied);  
                             }
                             $newvalues{$entry} = $deniedstr;
-                        } elsif (($entry eq 'plc.users.denied') || ($entry eq 'pch.users.denied')) {
+                        } elsif (($entry eq 'plc.users.denied') || ($entry eq 'pch.users.denied') ||
+                                 ($entry eq 'pac.users.denied')) {
                             my $total = $env{'form.'.$entry.'_total'};
                             my $userstr = '';
                             my @denied;  
@@ -2729,7 +2734,7 @@ sub display_loncaparev_constraints {
     if (keys(%comm_blocks) > 0) {
         foreach my $block (keys(%comm_blocks)) {
             if ($block =~ /^firstaccess____(.+)$/) {
-                my $rev = $Apache::lonnet::needsrelease{'course:commblock:timer:'};
+                my $rev = $Apache::lonnet::needsrelease{'course:commblock:timer'};
                 if (ref($comm_blocks{$block}) eq 'HASH') {
                     push(@{$fromblocks{'timer'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
                          ' '.&mt('set by [_1]',
@@ -2744,14 +2749,14 @@ sub display_loncaparev_constraints {
                 if (ref($comm_blocks{$block}{'blocks'}) eq 'HASH') {
                     if (ref($comm_blocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
                         if (keys(%{$comm_blocks{$block}{'blocks'}{'docs'}}) > 0) {
-                            my $rev = $Apache::lonnet::needsrelease{'course:commblock:docs:'};
+                            my $rev = $Apache::lonnet::needsrelease{'course:commblock:docs'};
                             push(@{$fromblocks{'docs'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
                                  ' '.
                                  &mt('set by [_1]',
                                      &Apache::loncommon::plainname(split(/:/,$comm_blocks{$block}{'setter'}))));
                         }
                     } elsif ($comm_blocks{$block}{'blocks'}{'printout'} eq 'on') {
-                        my $rev = $Apache::lonnet::needsrelease{'course:commblock:printout:'};
+                        my $rev = $Apache::lonnet::needsrelease{'course:commblock:printout'};
                         push(@{$fromblocks{'printout'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
                              ' '.
                              &mt('set by [_1]',
@@ -3617,6 +3622,20 @@ sub print_discussion {
                            &mt('(specific user(s))'),
                    input => 'checkbox',
                  },
+
+        'pac.roles.denied' => {
+                   text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pac.roles.denied'}).'</b>'.
+                           &Apache::loncommon::help_open_topic("Course_Disable_Anonymous_Discussion").'</span><br />'.
+                           &mt('(role-based)'),
+                   input => 'checkbox',
+                 },
+
+        'pac.users.denied'   => {
+                   text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pac.users.denied'}).'</b><br />'.
+                           &mt('(specific user(s))'),
+                   input => 'checkbox',
+                 },
+
         'allow_limited_html_in_feedback' => {
                    text => '<b>'.&mt($itemtext->{'allow_limited_html_in_feedback'}).'</b>',
                    input => 'radio',
@@ -3667,6 +3686,14 @@ sub print_discussion {
             $datatable .= '</td><td align="right">'.
                           &user_table($cdom,$item,undef,
                                       $settings->{$item},\%lt);
+        } elsif ($item eq 'pac.roles.denied') {
+            $datatable .= '</td><td align="right">'.
+                          '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings).
+                          '</table>';
+        } elsif ($item eq 'pac.users.denied') {
+            $datatable .=  '</td><td align="right">'.
+                           &user_table($cdom,$item,undef,
+                                      $settings->{$item},\%lt);
         } elsif ($item eq 'allow_limited_html_in_feedback') {
             $datatable .= &yesno_radio($item,$settings);
         } elsif ($item eq 'allow_discussion_post_editing') {