--- loncom/interface/domainprefs.pm	2008/07/23 02:50:57	1.67
+++ loncom/interface/domainprefs.pm	2008/09/19 03:27:04	1.68
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.67 2008/07/23 02:50:57 raeburn Exp $
+# $Id: domainprefs.pm,v 1.68 2008/09/19 03:27:04 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -42,6 +42,7 @@ use LONCAPA::Enrollment;
 use File::Copy;
 use Locale::Language;
 use DateTime::TimeZone;
+use DateTime::Locale;
 
 sub handler {
     my $r=shift;
@@ -1823,7 +1824,8 @@ sub print_usermodification {
 
 sub print_defaults {
     my ($dom,$rowtotal) = @_;
-    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def');
+    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def',
+                 'datelocale_def');
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
     my $titles = &defaults_titles();
     my $rownum = 0;
@@ -1858,6 +1860,9 @@ sub print_defaults {
         } elsif ($item eq 'timezone_def') {
             my $includeempty = 1;
             $datatable .= &Apache::loncommon::select_timezone($item,$domdefaults{$item},undef,$includeempty);
+        } elsif ($item eq 'datelocale_def') {
+            my $includeempty = 1;
+            $datatable .= &Apache::loncommon::select_datelocale($item,$domdefaults{$item},undef,$includeempty);
         } else {
             $datatable .= '<input type="text" name="'.$item.'" value="'.
                           $domdefaults{$item}.'" />';
@@ -1875,6 +1880,7 @@ sub defaults_titles {
                    'auth_arg_def'  => 'Default authentication argument',
                    'lang_def'      => 'Default language',
                    'timezone_def'  => 'Default timezone',
+                   'datelocale_def' => 'Default locale for dates',
                  );
     return (\%titles);
 }
@@ -4251,7 +4257,7 @@ sub modify_defaults {
     my ($dom,$r) = @_;
     my ($resulttext,$mailmsgtxt,%newvalues,%changes,@errors);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
-    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def');
+    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def','datelocale_def');
     my @authtypes = ('internal','krb4','krb5','localauth');
     foreach my $item (@items) {
         $newvalues{$item} = $env{'form.'.$item};
@@ -4278,6 +4284,13 @@ sub modify_defaults {
                     push(@errors,$item);   
                 }
             }
+        } elsif ($item eq 'datelocale_def') {
+            if ($newvalues{$item} ne '') {
+                my @datelocale_ids = DateTime::Locale->ids();
+                if (!grep(/^\Q$newvalues{$item}\E$/,@datelocale_ids)) {
+                    push(@errors,$item);
+                }
+            }
         }
         if (grep(/^\Q$item\E$/,@errors)) {
             $newvalues{$item} = $domdefaults{$item};
@@ -4290,6 +4303,7 @@ sub modify_defaults {
                                        auth_arg_def => $newvalues{'auth_arg_def'},
                                        lang_def => $newvalues{'lang_def'},
                                        timezone_def => $newvalues{'timezone_def'},
+                                       datelocale_def => $newvalues{'datelocale_def'},
                                      }
                        );
     my $title = &defaults_titles();
@@ -4322,7 +4336,7 @@ sub modify_defaults {
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,
                                           $defaults_hash{'defaults'},$cachetime);
-            if ($changes{'auth_def'} || $changes{'auth_arg_def'} || $changes{'lang_def'}) {
+            if ($changes{'auth_def'} || $changes{'auth_arg_def'} || $changes{'lang_def'} || $changes{'datelocale_def'}) {
                 my $sysmail = $r->dir_config('lonSysEMail');
                 &Apache::lonmsg::sendemail($sysmail,"LON-CAPA Domain Settings Change - $dom",$mailmsgtext);
             }