--- loncom/interface/lonparmset.pm	2009/02/24 18:20:49	1.435
+++ loncom/interface/lonparmset.pm	2009/03/01 01:12:20	1.436
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.435 2009/02/24 18:20:49 hauer Exp $
+# $Id: lonparmset.pm,v 1.436 2009/03/01 01:12:20 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2268,6 +2268,7 @@ sub crsenv {
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
     my (%crsinfo,$chome);
+    my $crstype = &Apache::loncommon::course_type();
 
     #
     # Go through list of changes
@@ -2278,6 +2279,23 @@ sub crsenv {
         if ($name eq 'newp') {
             $name = $env{'form.newp_name'};
         }
+        if ($name =~ /^rolenames_([^_]+)$/) {
+            $name = $1.'.plaintext';
+            my $standardtitle = 
+                &Apache::lonnet::plaintext($1,$crstype,$env{'request.course.id'},1);
+            my %adv_roles =
+                &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
+            if ($value ne '') {
+                foreach my $role (keys(%adv_roles)) {
+                    if ($role =~ m{^cr/$match_domain/$match_name/\Q$value\E$}) {
+                        $setoutput.= '<span class="LC_error">'.
+                                     &mt('Requested replacement title for [_1] role is already used as the name of a custom role ([_2]).',$standardtitle,$value).
+                                     '</span><br />';
+                        undef($value);
+                    }
+                }
+            }
+        }
         if ($name eq 'url') {
             $value=~s/^\/res\///;
             my $bkuptime=time;
@@ -2599,6 +2617,9 @@ sub crsenv {
                     &mt('Display Categories').'</a>',
              'datelocale' 
                  => '<b>'.&mt('Locale used for course calendar').'</b>',
+             'rolenames'
+                 => '<b>'.&mt('Replacement titles for standard course roles').'</b><br />'.
+                    '('.&mt('To replace the standard title for a course role, enter the title you wish to use, otherwise leave blank.').')',
              );
         my @Display_Order = ('url','description','courseid','cloners');
         (my $can_toggle_cat,$can_categorize) = &can_modify_catsettings($dom);
@@ -2623,6 +2644,7 @@ sub crsenv {
                              'languages',
                              'timezone',
                              'datelocale',
+                             'rolenames',
 			     'nothideprivileged',
                              'rndseed',
                              'receiptalg',
@@ -2646,7 +2668,8 @@ sub crsenv {
 	foreach my $parameter (sort(keys(%values))) {
             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./) ||
                     ($parameter =~ m/^selfenroll_/) || ($parameter =~ /_selfenroll$/)
-                    || ($parameter eq 'type')) {
+                    || ($parameter eq 'type') || 
+                    ($parameter =~ m/^(cc|in|ta|ep|ad|st)\.plaintext$/)) {
                 if (! $descriptions{$parameter}) {
                     $descriptions{$parameter}=$parameter;
                     push(@Display_Order,$parameter);
@@ -2686,7 +2709,27 @@ sub crsenv {
                 $output .= '<td>'.
                     &Apache::loncommon::select_datelocale($parameter.'_value',
                                                           $currdatelocale,
-                                                          $onchange,$includeempty).'</td>'; 
+                                                          $onchange,$includeempty).'</td>';
+            } elsif ($parameter eq 'rolenames') {
+                $output.= '<td><table>';
+                foreach my $role ('cc','in','ta','ep','ad','st') {
+                    my $onchange = 'onFocus="javascript:window.document.forms'.
+                                   "['envform'].elements['".
+                                   $parameter.'_'.$role."_setparmval']".
+                                   '.checked=true;"';
+                    $output.= '<tr><td>'.&Apache::lonnet::plaintext($role,$crstype,undef,1).
+                              '</td><td>'.
+                              &Apache::lonhtmlcommon::textbox($parameter.'_'.$role.'_value',
+                                                    $values{$role.'.plaintext'},
+                                                    15,$onchange).
+                              '</td></tr>';
+                }
+                $output .= '</table></td><td><table>';
+                foreach my $role ('cc','in','ta','ep','ad','st') {
+                    $output .= '<tr><td>'.&Apache::lonhtmlcommon::checkbox($parameter.'_'.$role.'_setparmval').
+                              '</td></tr>';
+                }
+                $output .= '</table></td>';
             } elsif ($parameter eq 'categories') {
                 my $catdisplay;
                 if ($values{'categories'} ne '') {
@@ -2708,9 +2751,11 @@ sub crsenv {
                                                     $values{$parameter},
                                                     40,$onchange).'</td>';
             }
-            $output .= '<td>'.
-                &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
-                '</td>';
+            unless ($parameter eq 'rolenames') {
+                $output .= '<td>'.
+                           &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
+                           '</td>';
+            }
             $output .= &Apache::loncommon::end_data_table_row()."\n";
 	}
         my $onchange = 'onFocus="javascript:window.document.forms'.