--- loncom/interface/domainprefs.pm	2014/02/15 17:07:19	1.160.6.34
+++ loncom/interface/domainprefs.pm	2014/04/13 00:42:06	1.234
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.34 2014/02/15 17:07:19 raeburn Exp $
+# $Id: domainprefs.pm,v 1.234 2014/04/13 00:42:06 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -164,6 +164,7 @@ use Apache::lonhtmlcommon();
 use Apache::lonlocal;
 use Apache::lonmsg();
 use Apache::lonconfigsettings;
+use Apache::lonuserutils();
 use LONCAPA qw(:DEFAULT :match);
 use LONCAPA::Enrollment;
 use LONCAPA::lonauthcgi();
@@ -211,13 +212,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','coursedefaults',
-                'usersessions','loadbalancing','requestauthor'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor','selfenrollment'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','autocreate','directorysrch','contacts',
                        'usercreation','selfcreation','usermodification','scantron',
                        'requestcourses','requestauthor','coursecategories',
-                       'serverstatuses','coursedefaults','usersessions');
+                       'serverstatuses','helpsettings',
+                       'coursedefaults','selfenrollment','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -237,6 +240,8 @@ sub handler {
                                  col2 => '',},
                                 {col1 => 'Administrator Settings',
                                  col2 => '',}],
+                      print => \&print_rolecolors,
+                      modify => \&modify_rolecolors,
                     },
         'login' =>
                     { text => 'Log-in page options',
@@ -245,12 +250,16 @@ sub handler {
                                   col2 => '',},
                                  {col1 => 'Log-in Help',
                                   col2 => 'Value'}],
+                      print => \&print_login,
+                      modify => \&modify_login,
                     },
         'defaults' => 
                     { text => 'Default authentication/language/timezone/portal',
                       help => 'Domain_Configuration_LangTZAuth',
                       header => [{col1 => 'Setting',
                                   col2 => 'Value'}],
+                      print => \&print_defaults,
+                      modify => \&modify_defaults,
                     },
         'quotas' => 
                     { text => 'Blogs, personal web pages, webDAV/quotas, portfolios',
@@ -258,12 +267,16 @@ sub handler {
                       header => [{col1 => 'User affiliation',
                                   col2 => 'Available tools',
                                   col3 => 'Quotas, MB; (Authoring requires role)',}],
+                      print => \&print_quotas,
+                      modify => \&modify_quotas,
                     },
         'autoenroll' =>
                    { text => 'Auto-enrollment settings',
                      help => 'Domain_Configuration_Auto_Enrollment',
                      header => [{col1 => 'Configuration setting',
                                  col2 => 'Value(s)'}],
+                     print => \&print_autoenroll,
+                     modify => \&modify_autoenroll,
                    },
         'autoupdate' => 
                    { text => 'Auto-update settings',
@@ -273,25 +286,33 @@ sub handler {
                                 {col1 => 'Setting',
                                  col2 => 'Affiliation'},
                                 {col1 => 'User population',
-                                 col2 => 'Updateable user data'}],
+                                 col2 => 'Updatable user data'}],
+                     print => \&print_autoupdate,
+                     modify => \&modify_autoupdate,
                   },
         'autocreate' => 
                   { text => 'Auto-course creation settings',
                      help => 'Domain_Configuration_Auto_Creation',
                      header => [{col1 => 'Configuration Setting',
                                  col2 => 'Value',}],
+                     print => \&print_autocreate,
+                     modify => \&modify_autocreate,
                   },
         'directorysrch' => 
                   { text => 'Institutional directory searches',
                     help => 'Domain_Configuration_InstDirectory_Search',
                     header => [{col1 => 'Setting',
                                 col2 => 'Value',}],
+                    print => \&print_directorysrch,
+                    modify => \&modify_directorysrch,
                   },
         'contacts' =>
                   { text => 'Contact Information',
                     help => 'Domain_Configuration_Contact_Info',
                     header => [{col1 => 'Setting',
                                 col2 => 'Value',}],
+                    print => \&print_contacts,
+                    modify => \&modify_contacts,
                   },
         'usercreation' => 
                   { text => 'User creation',
@@ -302,6 +323,8 @@ sub handler {
                                 col2 => 'Usernames which may be created',},
                                {col1 => 'Context',
                                 col2 => 'Assignable authentication types'}],
+                    print => \&print_usercreation,
+                    modify => \&modify_usercreation,
                   },
         'selfcreation' => 
                   { text => 'Users self-creating accounts',
@@ -312,14 +335,18 @@ sub handler {
                                 col2 => 'Information user can enter'},
                                {col1 => 'Self-creation with e-mail as username',
                                 col2 => 'Settings'}],
+                    print => \&print_selfcreation,
+                    modify => \&modify_selfcreation,
                   },
         'usermodification' =>
                   { text => 'User modification',
                     help => 'Domain_Configuration_User_Modification',
                     header => [{col1 => 'Target user has role',
-                                col2 => 'User information updateable in author context'},
+                                col2 => 'User information updatable in author context'},
                                {col1 => 'Target user has role',
-                                col2 => 'User information updateable in course context'}],
+                                col2 => 'User information updatable in course context'}],
+                    print => \&print_usermodification,
+                    modify => \&modify_usermodification,
                   },
         'scantron' =>
                   { text => 'Bubblesheet format file',
@@ -327,6 +354,8 @@ sub handler {
                     header => [ {col1 => 'Item',
                                  col2 => '',
                               }],
+                    print => \&print_scantron,
+                    modify => \&modify_scantron,
                   },
         'requestcourses' => 
                  {text => 'Request creation of courses',
@@ -337,6 +366,8 @@ sub handler {
                               col2 => 'Value'},
                              {col1 => 'Available textbooks',
                               col2 => ''}],
+                  print => \&print_quotas,
+                  modify => \&modify_quotas,
                  },
         'requestauthor' =>
                  {text => 'Request Authoring Space',
@@ -345,6 +376,8 @@ sub handler {
                               col2 => 'Availability/Processing of requests',},
                              {col1 => 'Setting',
                               col2 => 'Value'}],
+                  print => \&print_quotas,
+                  modify => \&modify_quotas,
                  },
         'coursecategories' =>
                   { text => 'Cataloging of courses/communities',
@@ -354,6 +387,8 @@ sub handler {
                                {col1 => 'Categories',
                                 col2 => '',
                                }],
+                    print => \&print_coursecategories,
+                    modify => \&modify_coursecategories,
                   },
         'serverstatuses' =>
                  {text   => 'Access to server status pages',
@@ -362,12 +397,46 @@ sub handler {
                               col2 => 'Other named users',
                               col3 => 'Specific IPs',
                             }],
+                  print => \&print_serverstatuses,
+                  modify => \&modify_serverstatuses,
                  },
-        'coursedefaults' =>
+        'helpsettings' =>
+                 {text   => 'Help page settings',
+                  help   => 'Domain_Configuration_Help_Settings',
+                  header => [{col1 => 'Help Settings (logged-in users)',
+                              col2 => 'Value'}],
+                  print  => \&print_helpsettings,
+                  modify => \&modify_helpsettings,
+                 },
+        'coursedefaults' => 
                  {text => 'Course/Community defaults',
                   help => 'Domain_Configuration_Course_Defaults',
-                  header => [{col1 => 'Defaults which can be overridden for each course by a DC',
+                  header => [{col1 => 'Defaults which can be overridden in each course by a CC',
+                              col2 => 'Value',},
+                             {col1 => 'Defaults which can be overridden for each course by a DC',
                               col2 => 'Value',},],
+                  print => \&print_coursedefaults,
+                  modify => \&modify_coursedefaults,
+                 },
+        'selfenrollment' => 
+                 {text   => 'Self-enrollment in Course/Community',
+                  help   => 'Domain_Configuration_Selfenrollment',
+                  header => [{col1 => 'Configuration Rights',
+                              col2 => 'Configured by Course Personnel or Domain Coordinator?'},
+                             {col1 => 'Defaults',
+                              col2 => 'Value'},
+                             {col1 => 'Self-enrollment validation (optional)',
+                              col2 => 'Value'},],
+                  print => \&print_selfenrollment,
+                  modify => \&modify_selfenrollment,
+                 },
+        'privacy' => 
+                 {text   => 'User Privacy',
+                  help   => 'Domain_Configuration_User_Privacy',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                  print => \&print_privacy,
+                  modify => \&modify_privacy,
                  },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
@@ -378,6 +447,8 @@ sub handler {
                               col2 => 'Rules'},
                              {col1 => "Hosting domain's own users elsewhere",
                               col2 => 'Rules'}],
+                  print => \&print_usersessions,
+                  modify => \&modify_usersessions,
                  },
          'loadbalancing' =>
                  {text  => 'Dedicated Load Balancer(s)',
@@ -387,6 +458,8 @@ sub handler {
                               col3 => 'User affiliation',
                               col4 => 'Overrides'},
                             ],
+                  print => \&print_loadbalancing,
+                  modify => \&modify_loadbalancing,
                  },
     );
     if (keys(%servers) > 1) {
@@ -398,6 +471,8 @@ sub handler {
                                         col2 => ''},
                                        {col1 => 'Log-in Help',
                                         col2 => 'Value'}],
+                            print => \&print_login,
+                            modify => \&modify_login,
                            };
     }
 
@@ -547,8 +622,12 @@ sub process_changes {
         $output = &modify_quotas($r,$dom,$action,$lastactref,%domconfig);
     } elsif ($action eq 'requestauthor') {
         $output = &modify_quotas($r,$dom,$action,$lastactref,%domconfig);
+    } elsif ($action eq 'helpsettings') {
+        $output = &modify_helpsettings($r,$dom,$confname,%domconfig);
     } elsif ($action eq 'coursedefaults') {
         $output = &modify_coursedefaults($dom,$lastactref,%domconfig);
+    } elsif ($action eq 'selfenrollment') {
+        $output = &modify_selfenrollment($dom,$lastactref,%domconfig)
     } elsif ($action eq 'usersessions') {
         $output = &modify_usersessions($dom,$lastactref,%domconfig);
     } elsif ($action eq 'loadbalancing') {
@@ -595,16 +674,12 @@ sub print_config_box {
               <td class="LC_right_item"'.$rightcolspan.'>'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
              </tr>';
         $rowtotal ++;
-        if ($action eq 'autoupdate') {
-            $output .= &print_autoupdate('top',$dom,$settings,\$rowtotal);
-        } elsif ($action eq 'usercreation') {
-            $output .= &print_usercreation('top',$dom,$settings,\$rowtotal);
-        } elsif ($action eq 'selfcreation') {
-            $output .= &print_selfcreation('top',$dom,$settings,\$rowtotal);
-        } elsif ($action eq 'usermodification') {
-            $output .= &print_usermodification('top',$dom,$settings,\$rowtotal);
+        if (($action eq 'autoupdate') || ($action eq 'usercreation') || ($action eq 'selfcreation') ||
+            ($action eq 'usermodification') || ($action eq 'coursedefaults') ||
+            ($action eq 'selfenrollment') || ($action eq 'usersessions')) {
+            $output .= $item->{'print'}->('top',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
-            $output .= &print_coursecategories('top',$dom,$item,$settings,\$rowtotal);
+            $output .= $item->{'print'}->('top',$dom,$item,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
             if ($numheaders == 3) {
                 $colspan = ' colspan="2"';
@@ -612,12 +687,8 @@ sub print_config_box {
             } else {
                 $output .= &print_login('page',$dom,$confname,$phase,$settings,\$rowtotal);
             }
-        } elsif ($action eq 'requestcourses') {
-            $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
-        } elsif ($action eq 'requestauthor') {
+        } elsif (($action eq 'requestcourses') || ($action eq 'requestauthor')) {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
-        } elsif ($action eq 'usersessions') {
-            $output .= &print_usersessions('top',$dom,$settings,\$rowtotal); 
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'student',$dom,$confname,$settings,\$rowtotal);
         }
@@ -629,39 +700,14 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col1'}).'</td>';
-        $output .= '
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col1'}).'</td>
               <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col2'}).'</td>
              </tr>';
             $rowtotal ++;
-        if ($action eq 'autoupdate') {
-            $output .= &print_autoupdate('middle',$dom,$settings,\$rowtotal).'
-           </table>
-          </td>
-         </tr>
-         <tr>
-           <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>      </tr>'.
-            &print_autoupdate('bottom',$dom,$settings,\$rowtotal);
-            $rowtotal ++;
-        } elsif ($action eq 'usercreation') {
-            $output .= &print_usercreation('middle',$dom,$settings,\$rowtotal).'
-           </table>
-          </td>
-         </tr>
-         <tr>
-           <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>             </tr>'.
-            &print_usercreation('bottom',$dom,$settings,\$rowtotal);
-            $rowtotal ++;
-        } elsif ($action eq 'selfcreation') {
-            $output .= &print_selfcreation('middle',$dom,$settings,\$rowtotal).'
+        if (($action eq 'autoupdate') || ($action eq 'usercreation') ||
+            ($action eq 'selfcreation') || ($action eq 'selfenrollment') ||
+            ($action eq 'usersessions')) {
+            $output .= $item->{'print'}->('middle',$dom,$settings,\$rowtotal).'
            </table>
           </td>
          </tr>
@@ -671,11 +717,11 @@ sub print_config_box {
              <tr class="LC_info_row">
               <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
-             </tr>'.
-            &print_selfcreation('bottom',$dom,$settings,\$rowtotal);
+             </tr>'."\n".
+            $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
             $rowtotal ++;
-        } elsif ($action eq 'usermodification') {
-            $output .= &print_usermodification('middle',$dom,$settings,\$rowtotal);
+        } elsif (($action eq 'usermodification') || ($action eq 'coursedefaults')) {
+            $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
             $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
@@ -710,19 +756,6 @@ sub print_config_box {
                        &print_textbookcourses($dom,$settings,\$rowtotal);
         } elsif ($action eq 'requestauthor') {
             $output .= &print_requestmail($dom,$action,$settings,\$rowtotal);
-        } elsif ($action eq 'usersessions') {
-            $output .= &print_usersessions('middle',$dom,$settings,\$rowtotal).'
-           </table>
-          </td>
-         </tr>
-         <tr>
-           <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>      </tr>'.
-                       &print_usersessions('bottom',$dom,$settings,\$rowtotal);
-            $rowtotal ++;
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'coordinator',$dom,$confname,$settings,\$rowtotal).'
            </table>
@@ -801,26 +834,14 @@ sub print_config_box {
         $rowtotal ++;
         if ($action eq 'quotas') {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
-        } elsif ($action eq 'autoenroll') {
-            $output .= &print_autoenroll($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'autocreate') {
-            $output .= &print_autocreate($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'directorysrch') {
-            $output .= &print_directorysrch($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'contacts') {
-            $output .= &print_contacts($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'defaults') {
-            $output .= &print_defaults($dom,$settings,\$rowtotal);
+        } elsif (($action eq 'autoenroll') || ($action eq 'autocreate') || ($action eq 'directorysrch') ||
+                 ($action eq 'contacts') || ($action eq 'defaults') || ($action eq 'serverstatuses') ||
+                 ($action eq 'loadbalancing')) {
+            $output .= $item->{'print'}->($dom,$settings,\$rowtotal);
         } elsif ($action eq 'scantron') {
             $output .= &print_scantronformat($r,$dom,$confname,$settings,\$rowtotal);
-        } elsif ($action eq 'serverstatuses') {
-            $output .= &print_serverstatuses($dom,$settings,\$rowtotal);
         } elsif ($action eq 'helpsettings') {
             $output .= &print_helpsettings($dom,$confname,$settings,\$rowtotal);
-        } elsif ($action eq 'loadbalancing') {
-            $output .= &print_loadbalancing($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'coursedefaults') {
-            $output .= &print_coursedefaults('bottom',$dom,$settings,\$rowtotal);
         }
     }
     $output .= '
@@ -1451,7 +1472,7 @@ sub display_color_options {
     $datatable .= '<td class="LC_right_item">'.
                   '<table border="0"><tr>';
     foreach my $item (@{$links}) {
-	my $color = $designs->{'link'}{$item} ? $designs->{'link'}{$item} : $defaults->{'links'}{$item};
+	my $color = $designs->{'links'}{$item} ? $designs->{'links'}{$item} : $defaults->{'links'}{$item};
         $datatable .= '<td align="center">'.$choices->{$item}."\n";
         if ($designs->{'links'}{$item}) {
             $datatable.='&nbsp;';
@@ -2762,19 +2783,21 @@ sub print_coursedefaults {
                 '<td class="LC_right_item"><span class="LC_nobreak">'.
                 '<input type="text" name="anonsurvey_threshold"'.
                 ' value="'.$currdefresponder.'" size="5" /></span>'.
-                '</td></tr>'."\n".
-                '<tr><td><span class="LC_nobreak">'.
-                $choices{'uploadquota'}.
-                '</span></td>'.
-                '<td align="right" class="LC_right_item">'.
-                '<table><tr>';
+                '</td></tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'uploadquota'}.
+                      '</span></td>'.
+                      '<td align="right" class="LC_right_item">'.
+                      '<table><tr>';
         foreach my $type (@types) {
             $datatable .= '<td align="center">'.&mt($type).'<br />'.
                            '<input type="text" name="uploadquota_'.$type.'"'.
                            ' value="'.$curruploadquota{$type}.'" size="5" /></td>';
         }
         $datatable .= '</tr></table></td></tr>'."\n";
-        $itemcount += 2;
+        $itemcount ++;
         my $onclick = 'toggleCredits(this.form);';
         my $display = 'none';
         if ($currusecredits) {
@@ -2805,6 +2828,192 @@ sub print_coursedefaults {
             &radiobutton_prefs($current,\@toggles,\%defaultchecked,
                                \%choices,$itemcount,$onclick,$additional);
         $datatable .= $table;
+        $itemcount ++;
+    }
+    $$rowtotal += $itemcount;
+    return $datatable;
+}
+
+sub print_selfenrollment {
+    my ($position,$dom,$settings,$rowtotal) = @_;
+    my ($css_class,$datatable);
+    my $itemcount = 1;
+    my @types = ('official','unofficial','community','textbook');
+    if (($position eq 'top') || ($position eq 'middle')) {
+        my ($rowsref,$titlesref) = &Apache::lonuserutils::get_selfenroll_titles();
+        my %descs = &Apache::lonuserutils::selfenroll_default_descs();
+        my @rows;
+        my $key;
+        if ($position eq 'top') {
+            $key = 'admin'; 
+            if (ref($rowsref) eq 'ARRAY') {
+                @rows = @{$rowsref};
+            }
+        } elsif ($position eq 'middle') {
+            $key = 'default';
+            @rows = ('types','registered','approval','limit');
+        }
+        foreach my $row (@rows) {
+            if (defined($titlesref->{$row})) {
+                $itemcount ++;
+                $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                $datatable .= '<tr'.$css_class.'>'.
+                              '<td>'.$titlesref->{$row}.'</td>'.
+                              '<td class="LC_left_item">'.
+                              '<table><tr>';
+                my (%current,%currentcap);
+                if (ref($settings) eq 'HASH') {
+                    if (ref($settings->{$key}) eq 'HASH') {
+                        foreach my $type (@types) {
+                            if (ref($settings->{$key}->{$type}) eq 'HASH') {
+                                $current{$type} = $settings->{$key}->{$type}->{$row};
+                            }
+                            if (($row eq 'limit') && ($key eq 'default')) {
+                                if (ref($settings->{$key}->{$type}) eq 'HASH') {
+                                    $currentcap{$type} = $settings->{$key}->{$type}->{'cap'};
+                                }
+                            }
+                        }
+                    }
+                }
+                my %roles = (
+                             '0' => &Apache::lonnet::plaintext('dc'),
+                            ); 
+            
+                foreach my $type (@types) {
+                    unless (($row eq 'registered') && ($key eq 'default')) {
+                        $datatable .= '<th>'.&mt($type).'</th>';
+                    }
+                }
+                unless (($row eq 'registered') && ($key eq 'default')) {
+                    $datatable .= '</tr><tr>';
+                }
+                foreach my $type (@types) {
+                    if ($type eq 'community') {
+                        $roles{'1'} = &mt('Community personnel');
+                    } else {
+                        $roles{'1'} = &mt('Course personnel');
+                    }
+                    $datatable .= '<td style="vertical-align: top">';
+                    if ($position eq 'top') {
+                        my %checked;
+                        if ($current{$type} eq '0') {
+                            $checked{'0'} = ' checked="checked"';
+                        } else {
+                            $checked{'1'} = ' checked="checked"';
+                        }
+                        foreach my $role ('1','0') {
+                            $datatable .= '<span class="LC_nobreak"><label>'.
+                                          '<input type="radio" name="selfenrolladmin_'.$row.'_'.$type.'" '.
+                                          'value="'.$role.'"'.$checked{$role}.' />'.
+                                          $roles{$role}.'</label></span> ';
+                        }
+                    } else {
+                        if ($row eq 'types') {
+                            my %checked;
+                            if ($current{$type} =~ /^(all|dom)$/) {
+                                $checked{$1} = ' checked="checked"';
+                            } else {
+                                $checked{''} = ' checked="checked"';
+                            }
+                            foreach my $val ('','dom','all') {
+                                $datatable .= '<span class="LC_nobreak"><label>'.
+                                              '<input type ="radio" name="selfenrolldefault_'.$row.'_'.$type.'" '.
+                                              'value="'.$val.'"'.$checked{$val}.' />'.$descs{$row}{$val}.'</label></span> ';
+                            }
+                        } elsif ($row eq 'registered') {
+                            my %checked;
+                            if ($current{$type} eq '1') {
+                                $checked{'1'} = ' checked="checked"';
+                            } else {
+                                $checked{'0'} = ' checked="checked"';
+                            }
+                            foreach my $val ('0','1') {
+                                $datatable .= '<span class="LC_nobreak"><label>'.
+                                              '<input type ="radio" name="selfenrolldefault_'.$row.'_'.$type.'" '.
+                                              'value="'.$val.'"'.$checked{$val}.' />'.$descs{$row}{$val}.'</label></span> ';
+                            }
+                        } elsif ($row eq 'approval') {
+                            my %checked;
+                            if ($current{$type} =~ /^([12])$/) {
+                                $checked{$1} = ' checked="checked"';
+                            } else {
+                                $checked{'0'} = ' checked="checked"';
+                            }
+                            for my $val (0..2) {
+                                $datatable .= '<span class="LC_nobreak"><label>'.
+                                              '<input type="radio" name="selfenrolldefault_'.$row.'_'.$type.'" '.
+                                              'value="'.$val.'"'.$checked{$val}.' />'.$descs{$row}{$val}.'</label></span> ';
+                            }
+                        } elsif ($row eq 'limit') {
+                            my %checked;
+                            if ($current{$type} =~ /^(allstudents|selfenrolled)$/) {
+                                $checked{$1} = ' checked="checked"';
+                            } else {
+                                $checked{'none'} = ' checked="checked"';
+                            }
+                            my $cap;
+                            if ($currentcap{$type} =~ /^\d+$/) {
+                                $cap = $currentcap{$type};
+                            }
+                            foreach my $val ('none','allstudents','selfenrolled') {
+                                $datatable .= '<span class="LC_nobreak"><label>'.
+                                              '<input type="radio" name="selfenrolldefault_'.$row.'_'.$type.'" '.
+                                              'value="'.$val.'"'.$checked{$val}.' />'.$descs{$row}{$val}.'</label></span> ';
+                            }
+                            $datatable .= '<br />'.
+                                          '<span class="LC_nobreak">'.&mt('Maximum allowed: ').
+                                          '<input type="text" name="selfenrolldefault_cap_'.$type.'" size = "5" value="'.$cap.'" />'.
+                                          '</span>'; 
+                        }
+                    }
+                    $datatable .= '</td>';
+                }
+                $datatable .= '</tr>';
+            }
+            $datatable .= '</table></td></tr>';
+        }
+    } elsif ($position eq 'bottom') {
+        my ($itemsref,$namesref,$fieldsref) = &Apache::lonuserutils::selfenroll_validation_types();
+        my %currvalidation;
+        if (ref($settings) eq 'HASH') {
+            if (ref($settings->{'validation'}) eq 'HASH') {
+                %currvalidation = %{$settings->{'validation'}}; 
+            }
+        }
+        foreach my $item (@{$itemsref}) {
+            $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+            $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                          $namesref->{$item}.
+                          '</span></td>'.
+                          '<td class="LC_left_item">';
+            if (($item eq 'url') || ($item eq 'button')) {
+                $datatable .= '<span class="LC_nobreak">'.
+                              '<input type="text" name="selfenroll_validation_'.$item.'"'.
+                              ' value="'.$currvalidation{$item}.'" size="50" /></span>';
+            } elsif ($item eq 'fields') {
+                my @currfields;
+                if (ref($currvalidation{$item}) eq 'ARRAY') {
+                    @currfields = @{$currvalidation{$item}};
+                }
+                foreach my $field (@{$fieldsref}) {
+                    my $check = '';
+                    if (grep(/^\Q$field\E$/,@currfields)) {
+                        $check = ' checked="checked"';
+                    }
+                    $datatable .= '<span class="LC_nobreak"><label>'.
+                                  '<input type="checkbox" name="selfenroll_validation_fields"'.
+                                  ' value="'.$field.'"'.$check.' />'.$field.
+                                  '</label></span> ';
+                }
+            } elsif ($item eq 'markup') {
+                $datatable .= '<textarea name="selfenroll_validation_markup" cols="50" rows="5" wrap="soft">'.
+                              $currvalidation{$item}. 
+                              '</textarea>';
+            }
+            $datatable .= '</td></tr>'."\n";
+            $itemcount ++;
+        }
     }
     $$rowtotal += $itemcount;
     return $datatable;
@@ -3776,7 +3985,6 @@ sub print_selfcreation {
         }
     }
     my %radiohash;
-    my $rownum = 0;
     my $numinrow = 4;
     map { $radiohash{'cancreate_'.$_} = 1; } @selfcreate;
     if ($position eq 'top') {
@@ -3789,18 +3997,18 @@ sub print_selfcreation {
                                'cancreate_login' => 'off',
                                'cancreate_sso'   => 'off',
                              );
-        my $itemcount = 1;
-        my $onclick;
+        my ($onclick,$itemcount);
         ($datatable,$itemcount) = &radiobutton_prefs(\%radiohash,\@toggles,\%defaultchecked,
                                                      \%choices,$itemcount,$onclick);
+        $$rowtotal += $itemcount;
+        
         my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
 
         if (ref($usertypes) eq 'HASH') {
             if (keys(%{$usertypes}) > 0) {
                 $datatable .= &insttypes_row($createsettings,$types,$usertypes,
                                              $dom,$numinrow,$othertitle,
-                                             'statustocreate',$rownum);
-                $rownum ++;
+                                             'statustocreate',$$rowtotal);
                 $$rowtotal ++;
             }
         }
@@ -3812,14 +4020,13 @@ sub print_selfcreation {
             push(@{$types},'default');
             $usertypes->{'default'} = $othertitle;
             foreach my $status (@{$types}) {
-                $rownum ++;
                 $datatable .= &modifiable_userdata_row('selfcreate',$status,$domconf{'usermodification'},
-                                                       $numinrow,$rownum,$usertypes);
+                                                       $numinrow,$$rowtotal,$usertypes);
                 $$rowtotal ++;
             }
         }
     } else {
-        my $css_class = $rownum%2?' class="LC_odd_row"':'';
+        my $css_class = $$rowtotal%2?' class="LC_odd_row"':'';
         my %choices =
             &Apache::lonlocal::texthash(
                                           email         => 'Approved automatically',
@@ -3851,27 +4058,32 @@ sub print_selfcreation {
                           $choices{$option}.'</label>&nbsp;';
         }
         $$rowtotal ++;
-        $rownum ++;
         $datatable .= '</span></td></tr>'.
                       &print_requestmail($dom,'selfcreation',$createsettings,$rowtotal);
-        $rownum ++;
-        my ($infofields,$infotitles) = &Apache::loncommon::emailusername_info();
-        $numinrow = 2;
-        $datatable .= &modifiable_userdata_row('cancreate','emailusername',$settings,
-                                               $numinrow,$rownum,undef,$infofields,$infotitles);
         $$rowtotal ++;
-        $rownum ++;
+        my ($infofields,$infotitles) = &Apache::loncommon::emailusername_info();
+        $numinrow = 1;
+        my ($othertitle,$usertypes,$types) =  &Apache::loncommon::sorted_inst_types($dom);
+        $usertypes->{'default'} = $othertitle;
+        if (ref($types) eq 'ARRAY') {
+            push(@{$types},'default');
+            $usertypes->{'default'} = $othertitle;
+            foreach my $status (@{$types}) {
+                $datatable .= &modifiable_userdata_row('cancreate','emailusername_'.$status,$settings,
+                                                       $numinrow,$$rowtotal,$usertypes,$infofields,$infotitles);
+                $$rowtotal ++;
+            }
+        }
         my ($emailrules,$emailruleorder) =
             &Apache::lonnet::inst_userrules($dom,'email');
         if (ref($emailrules) eq 'HASH') {
             if (keys(%{$emailrules}) > 0) {
                 $datatable .= &user_formats_row('email',$settings,$emailrules,
-                                                $emailruleorder,$numinrow,$rownum);
-                $rownum ++;
+                                                $emailruleorder,$numinrow,$$rowtotal);
                 $$rowtotal ++;
             }
         }
-        $datatable .= &captcha_choice('cancreate',$createsettings,$rownum);
+        $datatable .= &captcha_choice('cancreate',$createsettings,$$rowtotal);
     }
     return $datatable;
 }
@@ -4048,7 +4260,7 @@ sub print_usermodification {
             $$rowtotal ++;
             $rowcount ++;
         }
-    } elsif ($position eq 'middle') {
+    } elsif ($position eq 'bottom') {
         $context = 'course';
         $rowcount = 0;
         foreach my $role ('st','ep','ta','in','cr') {
@@ -4606,7 +4818,7 @@ sub serverstatus_pages {
     return ('userstatus','lonstatus','loncron','server-status','codeversions',
             'checksums','clusterstatus','metadata_keywords','metadata_harvest',
             'takeoffline','takeonline','showenv','toggledebug','ping','domconf',
-            'uniquecodes');
+            'uniquecodes','diskusage');
 }
 
 sub coursecategories_javascript {
@@ -4837,11 +5049,20 @@ sub build_category_rows {
 }
 
 sub modifiable_userdata_row {
-    my ($context,$role,$settings,$numinrow,$rowcount,$usertypes,$fieldsref,$titlesref) = @_;
-    my $rolename;
+    my ($context,$item,$settings,$numinrow,$rowcount,$usertypes,$fieldsref,$titlesref) = @_;
+    my ($role,$rolename,$statustype);
+    $role = $item;
     if ($context eq 'cancreate') {
-        if ($role eq 'emailusername') {
-            $rolename = &mt('Data user provides');
+        if ($item =~ /^emailusername_(.+)$/) {
+            $statustype = $1;
+            $role = 'emailusername';
+            if (ref($usertypes) eq 'HASH') {
+                if ($usertypes->{$statustype}) {
+                    $rolename = &mt('Data provided by [_1]',$usertypes->{$statustype});
+                } else {
+                    $rolename = &mt('Data provided by user');
+                }
+            }
         }
     } elsif ($context eq 'selfcreate') {
         if (ref($usertypes) eq 'HASH') {
@@ -4878,14 +5099,33 @@ sub modifiable_userdata_row {
     if (ref($settings) eq 'HASH') {
         if (ref($settings->{$context}) eq 'HASH') {
             if (ref($settings->{$context}->{$role}) eq 'HASH') {
-                foreach my $field (@fields) {
-                    if ($settings->{$context}->{$role}->{$field}) {
-                        $checks{$field} = ' checked="checked" ';
+                my $hashref = $settings->{$context}->{$role};
+                if ($role eq 'emailusername') {
+                    if ($statustype) {
+                        if (ref($settings->{$context}->{$role}->{$statustype}) eq 'HASH') {
+                            $hashref = $settings->{$context}->{$role}->{$statustype};
+                            if (ref($hashref) eq 'HASH') { 
+                                foreach my $field (@fields) {
+                                    if ($hashref->{$field}) {
+                                        $checks{$field} = $hashref->{$field};
+                                    }
+                                }
+                            }
+                        }
+                    }
+                } else {
+                    if (ref($hashref) eq 'HASH') {
+                        foreach my $field (@fields) {
+                            if ($hashref->{$field}) {
+                                $checks{$field} = ' checked="checked" ';
+                            }
+                        }
                     }
                 }
             }
         }
     }
+     
     for (my $i=0; $i<@fields; $i++) {
         my $rem = $i%($numinrow);
         if ($rem == 0) {
@@ -4895,20 +5135,40 @@ sub modifiable_userdata_row {
             $output .= '<tr>';
         }
         my $check = ' ';
-        if (exists($checks{$fields[$i]})) {
-            $check = $checks{$fields[$i]}
-        } else {
-            if ($role eq 'st') {
-                if (ref($settings) ne 'HASH') {
-                    $check = ' checked="checked" '; 
+        unless ($role eq 'emailusername') {
+            if (exists($checks{$fields[$i]})) {
+                $check = $checks{$fields[$i]}
+            } else {
+                if ($role eq 'st') {
+                    if (ref($settings) ne 'HASH') {
+                        $check = ' checked="checked" '; 
+                    }
                 }
             }
         }
         $output .= '<td class="LC_left_item">'.
-                   '<span class="LC_nobreak"><label>'.
-                   '<input type="checkbox" name="canmodify_'.$role.'" '.
-                   'value="'.$fields[$i].'"'.$check.'/>'.$fieldtitles{$fields[$i]}.
-                   '</label></span></td>';
+                   '<span class="LC_nobreak">';
+        if ($role eq 'emailusername') {
+            unless ($checks{$fields[$i]} =~ /^(required|optional)$/) {
+                $checks{$fields[$i]} = 'omit';
+            }
+            foreach my $option ('required','optional','omit') {
+                my $checked='';
+                if ($checks{$fields[$i]} eq $option) {
+                    $checked='checked="checked" ';
+                }
+                $output .= '<label>'.
+                           '<input type="radio" name="canmodify_'.$item.'_'.$fields[$i].'" value="'.$option.'" '.$checked.'/>'.
+                           &mt($option).'</label>'.('&nbsp;' x2);
+            }
+            $output .= '<i>'.$fieldtitles{$fields[$i]}.'</i>';
+        } else {
+            $output .= '<label>'.
+                       '<input type="checkbox" name="canmodify_'.$role.'" '.
+                       'value="'.$fields[$i].'"'.$check.'/>'.$fieldtitles{$fields[$i]}.
+                       '</label>';
+        }
+        $output .= '</span></td>';
         $rem = @fields%($numinrow);
     }
     my $colsleft = $numinrow - $rem;
@@ -5509,22 +5769,38 @@ sub modify_colors {
         }
         if ($role eq 'login') {
             foreach my $item (@logintext) {
-                unless ($env{'form.'.$role.'_'.$item} eq  $defaults{'logintext'}{$item}) {
+                $env{'form.'.$role.'_'.$item} = lc($env{'form.'.$role.'_'.$item});
+                if ($env{'form.'.$role.'_'.$item} =~ /^\w+/) {
+                    $env{'form.'.$role.'_'.$item} = '#'.$env{'form.'.$role.'_'.$item};
+                }
+                unless ($env{'form.'.$role.'_'.$item} eq lc($defaults{'logintext'}{$item})) {
                     $confhash->{$role}{$item} = $env{'form.'.$role.'_'.$item};
                 }
             }
         } else {
-            unless($env{'form.'.$role.'_fontmenu'} eq $defaults{'fontmenu'}) {
+            $env{'form.'.$role.'_fontmenu'} = lc($env{'form.'.$role.'_fontmenu'});
+            if ($env{'form.'.$role.'_fontmenu'} =~ /^\w+/) {
+                $env{'form.'.$role.'_fontmenu'} = '#'.$env{'form.'.$role.'_fontmenu'};
+            }
+            unless($env{'form.'.$role.'_fontmenu'} eq lc($defaults{'fontmenu'})) {
                 $confhash->{$role}{'fontmenu'} = $env{'form.'.$role.'_fontmenu'};
             }
         }
         foreach my $item (@bgs) {
-            unless ($env{'form.'.$role.'_'.$item} eq $defaults{'bgs'}{$item} ) {
+            $env{'form.'.$role.'_'.$item} = lc($env{'form.'.$role.'_'.$item});
+            if ($env{'form.'.$role.'_'.$item} =~ /^\w+/) {
+                $env{'form.'.$role.'_'.$item} = '#'.$env{'form.'.$role.'_'.$item};
+            }
+            unless ($env{'form.'.$role.'_'.$item} eq lc($defaults{'bgs'}{$item})) {
                 $confhash->{$role}{$item} = $env{'form.'.$role.'_'.$item};
             }
         }
         foreach my $item (@links) {
-            unless ($env{'form.'.$role.'_'.$item} eq  $defaults{'links'}{$item}) {
+            $env{'form.'.$role.'_'.$item} = lc($env{'form.'.$role.'_'.$item});
+            if ($env{'form.'.$role.'_'.$item} =~ /^\w+/) {
+                $env{'form.'.$role.'_'.$item} = '#'.$env{'form.'.$role.'_'.$item};
+            }
+            unless ($env{'form.'.$role.'_'.$item} eq lc($defaults{'links'}{$item})) {
                 $confhash->{$role}{$item} = $env{'form.'.$role.'_'.$item};
             }
         }
@@ -7641,6 +7917,11 @@ sub modify_selfcreation {
     my ($dom,%domconfig) = @_;
     my ($resulttext,$warningmsg,%curr_usercreation,%curr_usermodify,%changes,%cancreate);
     my (%save_usercreate,%save_usermodify);
+    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
+    if (ref($types) eq 'ARRAY') {
+        $usertypes->{'default'} = $othertitle;
+        push(@{$types},'default');
+    }
 #
 # Retrieve current domain configuration for self-creation of usernames from $domconfig{'usercreation'}.
 #
@@ -7692,7 +7973,7 @@ sub modify_selfcreation {
 # Populate $cancreate{'selfcreate'} array reference with types of user, for which self-creation of user accounts
 # is permitted.
 #
-    foreach my $item ('login','sso','email') { 
+    foreach my $item ('login','sso','email') {
         if ($item eq 'email') {
             if ($env{'form.cancreate_email'} eq 'email') {
                 push(@{$cancreate{'selfcreate'}},'email');
@@ -7708,20 +7989,22 @@ sub modify_selfcreation {
     my (@email_rule,%userinfo,%savecaptcha);
     my ($infofields,$infotitles) = &Apache::loncommon::emailusername_info();
 #
-# Populate $cancreate{'emailusername'} hash ref with information types (if new user will provide data
-# value set to one), if self-creation with e-mail address permitted.
+# Populate $cancreate{'emailusername'}{$type} hash ref with information fields (if new user will provide data
+# value set to one), if self-creation with e-mail address permitted, where $type is user type: faculty, staff, student etc.
 #
     if (($env{'form.cancreate_email'} eq 'email') || ($env{'form.cancreate_email'} eq 'emailapproval')) {
-        push(@contexts,'emailusername'); 
-        map { $userinfo{$_} = 1; } &Apache::loncommon::get_env_multiple('form.canmodify_emailusername');
-        if (ref($infofields) eq 'ARRAY') {
-            foreach my $field (@{$infofields}) {
-                if ($userinfo{$field}) {
-                    $cancreate{'emailusername'}{$field} = 1;
+        push(@contexts,'emailusername');
+        if (ref($types) eq 'ARRAY') {
+            foreach my $type (@{$types}) {
+                if (ref($infofields) eq 'ARRAY') {
+                    foreach my $field (@{$infofields}) {
+                        if ($env{'form.canmodify_emailusername_'.$type.'_'.$field} =~ /^(required|optional)$/) {
+                            $cancreate{'emailusername'}{$type}{$field} = $1;
+                        }
+                    }
                 }
             }
         }
-
 #
 # Populate $cancreate{'notify'} hash ref with names of Domain Coordinators who are to be notified of
 # queued requests for self-creation of account using e-mail address as username
@@ -7780,7 +8063,6 @@ sub modify_selfcreation {
                           &mt('You need to set the default authentication type to Kerberos 4 or 5 (with a Kerberos domain specified), or to Local authentication, if the localauth module has been customized in your domain to authenticate institutional logins.');
         }
     }
-    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
     my @fields = ('lastname','firstname','middlename','generation',
                   'permanentemail','id');
     my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
@@ -7793,14 +8075,12 @@ sub modify_selfcreation {
 #
     if (($env{'form.cancreate_login'}) || ($env{'form.cancreate_sso'})) {
         if (ref($types) eq 'ARRAY') {
-            if (@{$types} > 0) {
+            if (@{$types} > 1) {
                 @{$cancreate{'statustocreate'}} = &Apache::loncommon::get_env_multiple('form.statustocreate');
                 push(@contexts,'statustocreate');
             } else {
                 undef($cancreate{'statustocreate'});
             } 
-            push(@{$types},'default');
-            $usertypes->{'default'} = $othertitle;
             foreach my $type (@{$types}) {
                 my @modifiable =  &Apache::loncommon::get_env_multiple('form.canmodify_'.$type);
                 foreach my $field (@fields) {
@@ -7853,16 +8133,42 @@ sub modify_selfcreation {
         } elsif (ref($curr_usercreation{'cancreate'}{$item}) eq 'HASH') {
             if (ref($cancreate{$item}) eq 'HASH') {
                 foreach my $curr (keys(%{$curr_usercreation{'cancreate'}{$item}})) {
-                    if (!$cancreate{$item}{$curr}) {
-                        if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
-                            push(@{$changes{'cancreate'}},$item);
+                    if (ref($curr_usercreation{'cancreate'}{$item}{$curr}) eq 'HASH') {
+                        foreach my $field (keys(%{$curr_usercreation{'cancreate'}{$item}{$curr}})) {
+                            unless ($curr_usercreation{'cancreate'}{$item}{$curr}{$field} eq $cancreate{$item}{$curr}{$field}) {
+                                if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                    push(@{$changes{'cancreate'}},$item);
+                                }
+                            }
+                        }
+                    } else {
+                        if (!$cancreate{$item}{$curr}) {
+                            if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                push(@{$changes{'cancreate'}},$item);
+                            }
                         }
                     }
                 }
                 foreach my $field (keys(%{$cancreate{$item}})) {
-                    if (!$curr_usercreation{'cancreate'}{$item}{$field}) {
-                        if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
-                            push(@{$changes{'cancreate'}},$item);
+                    if (ref($cancreate{$item}{$field}) eq 'HASH') {
+                        foreach my $inner (keys(%{$cancreate{$item}{$field}})) {
+                            if (ref($curr_usercreation{'cancreate'}{$item}{$field}) eq 'HASH') {
+                                unless ($curr_usercreation{'cancreate'}{$item}{$field}{$inner} eq $cancreate{$item}{$field}{$inner}) {
+                                    if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                        push(@{$changes{'cancreate'}},$item);
+                                    }
+                                }
+                            } else {
+                                if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                    push(@{$changes{'cancreate'}},$item);
+                                }
+                            }
+                        }
+                    } else {
+                        if (!$curr_usercreation{'cancreate'}{$item}{$field}) {
+                            if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                push(@{$changes{'cancreate'}},$item);
+                            }
                         }
                     }
                 }
@@ -7882,8 +8188,19 @@ sub modify_selfcreation {
                 }
             }
         } elsif ($item eq 'emailusername') {
-            if (keys(%userinfo) > 0) {
-                push(@{$changes{'cancreate'}},$item);
+            if (ref($cancreate{$item}) eq 'HASH') {
+                foreach my $type (keys(%{$cancreate{$item}})) {
+                    if (ref($cancreate{$item}{$type}) eq 'HASH') {
+                        foreach my $field (keys(%{$cancreate{$item}{$type}})) {
+                            if ($cancreate{$item}{$type}{$field}) {
+                                if (!grep(/^$item$/,@{$changes{'cancreate'}})) {
+                                    push(@{$changes{'cancreate'}},$item);
+                                }
+                                last;
+                            }
+                        }
+                    }
+                }
             }
         }
     }
@@ -8013,17 +8330,23 @@ sub modify_selfcreation {
                         $chgtext .= '</ul>';
                     } elsif ($type eq 'emailusername') {
                         if (ref($cancreate{'emailusername'}) eq 'HASH') {
-                            if (keys(%{$cancreate{'emailusername'}}) > 0) {
-                                $chgtext .= &mt('When self-creating account with e-mail as username, user will provide the following information:').
-                                            '<ul>';
-                                foreach my $field (@{$infofields}) {
-                                    if ($cancreate{'emailusername'}{$field}) {
-                                        $chgtext .= '<li>'.$infotitles->{$field}.'</li>';
+                            if (ref($types) eq 'ARRAY') {
+                                foreach my $type (@{$types}) {
+                                    if (ref($cancreate{'emailusername'}{$type}) eq 'HASH') {
+                                        if (keys(%{$cancreate{'emailusername'}{$type}}) > 0) {
+                                            $chgtext .= &mt('When self-creating account with e-mail as username, the following information will be provided by [_1]:',$usertypes->{$type}).
+                                                    '<ul>';
+                                            foreach my $field (@{$infofields}) {
+                                                if ($cancreate{'emailusername'}{$type}{$field}) {
+                                                    $chgtext .= '<li>'.$infotitles->{$field}.'</li>';
+                                                }
+                                            }
+                                        }
+                                        $chgtext .= '</ul>';
+                                    } else {
+                                        $chgtext .= &mt('When self creating account with e-mail as username, no information besides e-mail address will be provided by [_1].',$usertypes->{$type}).'<br />';
                                     }
                                 }
-                                $chgtext .= '</ul>';
-                            } else {
-                                $chgtext .= &mt('When self creating account with e-mail as username, user will not provide any information besides e-mail address');
                             }
                         }
                     } elsif ($type eq 'notify') {
@@ -8938,6 +9261,7 @@ sub modify_coursedefaults {
                 }
             }
         }
+
         my $officialcreds = $env{'form.official_credits'};
         $officialcreds =~ s/[^\d.]+//g;
         my $unofficialcreds = $env{'form.unofficial_credits'};
@@ -8965,7 +9289,8 @@ sub modify_coursedefaults {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-            if (($changes{'canuse_pdfforms'}) || ($changes{'coursecredits'}) || ($changes{'uploadquota'})) {
+            if (($changes{'canuse_pdfforms'}) || ($changes{'coursecredits'}) || 
+                ($changes{'uploadquota'})) { 
                 if ($changes{'canuse_pdfforms'}) {
                     $domdefaults{'canuse_pdfforms'}=$defaultshash{'coursedefaults'}{'canuse_pdfforms'};
                 }
@@ -9040,6 +9365,245 @@ sub modify_coursedefaults {
         }
     } else {
         $resulttext = '<span class="LC_error">'.
+            &mt('An error occurred: [_1]',$putresult).'</span>';
+    }
+    return $resulttext;
+}
+
+sub modify_selfenrollment {
+    my ($dom,$lastactref,%domconfig) = @_;
+    my ($resulttext,$errors,%changes,%selfenrollhash,%ordered);
+    my @types = ('official','unofficial','community','textbook');
+    my %titles = &tool_titles();
+    my %descs = &Apache::lonuserutils::selfenroll_default_descs();
+    ($ordered{'admin'},my $titlesref) = &Apache::lonuserutils::get_selfenroll_titles();
+    $ordered{'default'} = ['types','registered','approval','limit'];
+
+    my (%roles,%shown,%toplevel);
+    $roles{'0'} = &Apache::lonnet::plaintext('dc');
+
+    if (ref($domconfig{'selfenrollment'}) ne 'HASH') {
+        if ($domconfig{'selfenrollment'} eq '') {
+            $domconfig{'selfenrollment'} = {};
+        }
+    }
+    %toplevel = (
+                  admin      => 'Configuration Rights',
+                  default    => 'Default settings',
+                  validation => 'Validation of self-enrollment requests',
+                );
+    my ($itemsref,$namesref,$fieldsref) = &Apache::lonuserutils::selfenroll_validation_types();
+
+    if (ref($ordered{'admin'}) eq 'ARRAY') {
+        foreach my $item (@{$ordered{'admin'}}) {
+            foreach my $type (@types) {
+                if ($env{'form.selfenrolladmin_'.$item.'_'.$type}) {
+                    $selfenrollhash{'admin'}{$type}{$item} = 1;
+                } else {
+                    $selfenrollhash{'admin'}{$type}{$item} = 0;
+                }
+                if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
+                    if (ref($domconfig{'selfenrollment'}{'admin'}{$type}) eq 'HASH') {
+                        if ($selfenrollhash{'admin'}{$type}{$item} ne
+                            $domconfig{'selfenrollment'}{'admin'}{$type}{$item})  {
+                            push(@{$changes{'admin'}{$type}},$item);
+                        }
+                    } else {
+                        if (!$selfenrollhash{'admin'}{$type}{$item}) {
+                            push(@{$changes{'admin'}{$type}},$item);
+                        }
+                    }
+                } elsif (!$selfenrollhash{'admin'}{$type}{$item}) {
+                    push(@{$changes{'admin'}{$type}},$item);
+                }
+            }
+        }
+    }
+
+    foreach my $item (@{$ordered{'default'}}) {
+        foreach my $type (@types) {
+            my $value = $env{'form.selfenrolldefault_'.$item.'_'.$type};
+            if ($item eq 'types') {
+                unless (($value eq 'all') || ($value eq 'dom')) {
+                    $value = '';
+                }
+            } elsif ($item eq 'registered') {
+                unless ($value eq '1') {
+                    $value = 0;
+                }
+            } elsif ($item eq 'approval') {
+                unless ($value =~ /^[012]$/) {
+                    $value = 0;
+                }
+            } else {
+                unless (($value eq 'allstudents') || ($value eq 'selfenrolled')) {
+                    $value = 'none';
+                }
+            }
+            $selfenrollhash{'default'}{$type}{$item} = $value;
+            if (ref($domconfig{'selfenrollment'}{'default'}) eq 'HASH') {
+                if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') {
+                    if ($selfenrollhash{'default'}{$type}{$item} ne
+                         $domconfig{'selfenrollment'}{'default'}{$type}{$item})  {
+                         push(@{$changes{'default'}{$type}},$item);
+                    }
+                } else {
+                    push(@{$changes{'default'}{$type}},$item);
+                }
+            } else {
+                push(@{$changes{'default'}{$type}},$item);
+            }
+            if ($item eq 'limit') {
+                if (($value eq 'allstudents') || ($value eq 'selfenrolled')) {
+                    $env{'form.selfenrolldefault_cap_'.$type} =~ s/\D//g;
+                    if ($env{'form.selfenrolldefault_cap_'.$type} ne '') {
+                        $selfenrollhash{'default'}{$type}{'cap'} = $env{'form.selfenrolldefault_cap_'.$type};
+                    }
+                } else {
+                    $selfenrollhash{'default'}{$type}{'cap'} = '';
+                }
+                if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') {
+                    if ($selfenrollhash{'default'}{$type}{'cap'} ne
+                         $domconfig{'selfenrollment'}{'admin'}{$type}{'cap'})  {
+                         push(@{$changes{'default'}{$type}},'cap');
+                    }
+                } elsif ($selfenrollhash{'default'}{$type}{'cap'} ne '') {
+                    push(@{$changes{'default'}{$type}},'cap');
+                }
+            }
+        }
+    }
+
+    foreach my $item (@{$itemsref}) {
+        if ($item eq 'fields') {
+            my @changed;
+            @{$selfenrollhash{'validation'}{$item}} = &Apache::loncommon::get_env_multiple('form.selfenroll_validation_'.$item);
+            if (@{$selfenrollhash{'validation'}{$item}} > 0) {
+                @{$selfenrollhash{'validation'}{$item}} = sort(@{$selfenrollhash{'validation'}{$item}});
+            }
+            if (ref($domconfig{'selfenrollment'}{'validation'}) eq 'HASH') {
+                if (ref($domconfig{'selfenrollment'}{'validation'}{$item}) eq 'ARRAY') {
+                    @changed = &Apache::loncommon::compare_arrays($selfenrollhash{'validation'}{$item},
+                                                                  $domconfig{'selfenrollment'}{'validation'}{$item});
+                } else {
+                    @changed = @{$selfenrollhash{'validation'}{$item}};
+                }
+            } else {
+                @changed = @{$selfenrollhash{'validation'}{$item}};
+            }
+            if (@changed) {
+                if ($selfenrollhash{'validation'}{$item}) { 
+                    $changes{'validation'}{$item} = join(', ',@{$selfenrollhash{'validation'}{$item}});
+                } else {
+                    $changes{'validation'}{$item} = &mt('None');
+                }
+            }
+        } else {
+            $selfenrollhash{'validation'}{$item} = $env{'form.selfenroll_validation_'.$item};
+            if ($item eq 'markup') {
+               if ($env{'form.selfenroll_validation_'.$item}) {
+                   $env{'form.selfenroll_validation_'.$item} =~ s/[\n\r\f]+/\s/gs;
+               }
+            }
+            if (ref($domconfig{'selfenrollment'}{'validation'}) eq 'HASH') {
+                if ($domconfig{'selfenrollment'}{'validation'}{$item} ne $selfenrollhash{'validation'}{$item}) {
+                    $changes{'validation'}{$item} = $selfenrollhash{'validation'}{$item};
+                }
+            }
+        }
+    }
+
+    my $putresult = &Apache::lonnet::put_dom('configuration',{'selfenrollment' => \%selfenrollhash},
+                                             $dom);
+    if ($putresult eq 'ok') {
+        if (keys(%changes) > 0) {
+            my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+            $resulttext = &mt('Changes made:').'<ul>';
+            foreach my $key ('admin','default','validation') {
+                if (ref($changes{$key}) eq 'HASH') {
+                    $resulttext .= '<li>'.$toplevel{$key}.'<ul>';
+                    if ($key eq 'validation') {
+                        foreach my $item (@{$itemsref}) {
+                            if (exists($changes{$key}{$item})) {
+                                if ($item eq 'markup') {
+                                    $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$namesref->{$item},
+                                                              '<br /><pre>'.$changes{$key}{$item}.'</pre>').'</li>';
+                                } else {  
+                                    $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$namesref->{$item},
+                                                              '<b>'.$changes{$key}{$item}.'</b>').'</li>';
+                                }
+                            }
+                        }
+                    } else {
+                        foreach my $type (@types) {
+                            if ($type eq 'community') {
+                                $roles{'1'} = &mt('Community personnel');
+                            } else {
+                                $roles{'1'} = &mt('Course personnel');
+                            }
+                            if (ref($changes{$key}{$type}) eq 'ARRAY') {
+                                if (ref($selfenrollhash{$key}{$type}) eq 'HASH') {
+                                    if ($key eq 'admin') {
+                                        my @mgrdc = ();
+                                        if (ref($ordered{$key}) eq 'ARRAY') {
+                                            foreach my $item (@{$ordered{'admin'}}) {
+                                                if (ref($selfenrollhash{$key}{$type}) eq 'HASH') { 
+                                                    if ($selfenrollhash{$key}{$type}{$item} eq '0') {
+                                                        push(@mgrdc,$item);
+                                                    }
+                                                }
+                                            }
+                                            if (@mgrdc) {
+                                                $domdefaults{$type.'selfenrolladmdc'} = join(',',@mgrdc);
+                                            } else {
+                                                delete($domdefaults{$type.'selfenrolladmdc'});
+                                            }
+                                        }
+                                    } else {
+                                        if (ref($ordered{$key}) eq 'ARRAY') {
+                                            foreach my $item (@{$ordered{$key}}) {
+                                                if (grep(/^\Q$item\E$/,@{$changes{$key}{$type}})) {
+                                                    $domdefaults{$type.'selfenroll'.$item} =
+                                                        $selfenrollhash{$key}{$type}{$item};
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                                $resulttext .= '<li>'.$titles{$type}.'<ul>';
+                                foreach my $item (@{$ordered{$key}}) {
+                                    if (grep(/^\Q$item\E$/,@{$changes{$key}{$type}})) {
+                                        $resulttext .= '<li>';
+                                        if ($key eq 'admin') {
+                                            $resulttext .= &mt('[_1] -- management by: [_2]',$titlesref->{$item},
+                                                               '<b>'.$roles{$selfenrollhash{'admin'}{$type}{$item}}.'</b>');
+                                        } else {
+                                            $resulttext .= &mt('[_1] set to: [_2]',$titlesref->{$item},
+                                                               '<b>'.$descs{$item}{$selfenrollhash{'default'}{$type}{$item}}.'</b>');
+                                        }
+                                        $resulttext .= '</li>';
+                                    }
+                                }
+                                $resulttext .= '</ul></li>';
+                            }
+                        }
+                        $resulttext .= '</ul></li>'; 
+                    }
+                }
+                if ((exists($changes{'admin'})) || (exists($changes{'default'}))) {
+                    my $cachetime = 24*60*60;
+                    &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+                    if (ref($lastactref) eq 'HASH') {
+                        $lastactref->{'domdefaults'} = 1;
+                    }
+                }
+            }
+            $resulttext .= '</ul>';
+        } else {
+            $resulttext = &mt('No changes made to self-enrollment settings');
+        }
+    } else {
+        $resulttext = '<span class="LC_error">'.
             &mt('An error occurred: [_1]',$putresult).'</span>';
     }
     return $resulttext;