--- loncom/interface/domainprefs.pm	2014/04/05 23:22:19	1.160.6.37
+++ loncom/interface/domainprefs.pm	2014/03/03 17:11:42	1.228
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.37 2014/04/05 23:22:19 raeburn Exp $
+# $Id: domainprefs.pm,v 1.228 2014/03/03 17:11:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -164,7 +164,6 @@ 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();
@@ -212,15 +211,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','coursedefaults',
-                'usersessions','loadbalancing',requestauthor',
-                'selfenrollment'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','autocreate','directorysrch','contacts',
                        'usercreation','selfcreation','usermodification','scantron',
                        'requestcourses','requestauthor','coursecategories',
-                       'serverstatuses','coursedefaults','selfenrollment',
-                       'usersessions');
+                       'serverstatuses','helpsettings',
+                       'coursedefaults','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -240,8 +239,6 @@ sub handler {
                                  col2 => '',},
                                 {col1 => 'Administrator Settings',
                                  col2 => '',}],
-                      print => \&print_rolecolors,
-                      modify => \&modify_rolecolors,
                     },
         'login' =>
                     { text => 'Log-in page options',
@@ -250,16 +247,12 @@ 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',
@@ -267,16 +260,12 @@ 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',
@@ -287,32 +276,24 @@ sub handler {
                                  col2 => 'Affiliation'},
                                 {col1 => 'User population',
                                  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',
@@ -323,8 +304,6 @@ 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',
@@ -335,8 +314,6 @@ 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',
@@ -345,8 +322,6 @@ sub handler {
                                 col2 => 'User information updatable in author context'},
                                {col1 => 'Target user has role',
                                 col2 => 'User information updatable in course context'}],
-                    print => \&print_usermodification,
-                    modify => \&modify_usermodification,
                   },
         'scantron' =>
                   { text => 'Bubblesheet format file',
@@ -354,8 +329,6 @@ sub handler {
                     header => [ {col1 => 'Item',
                                  col2 => '',
                               }],
-                    print => \&print_scantron,
-                    modify => \&modify_scantron,
                   },
         'requestcourses' => 
                  {text => 'Request creation of courses',
@@ -366,8 +339,6 @@ sub handler {
                               col2 => 'Value'},
                              {col1 => 'Available textbooks',
                               col2 => ''}],
-                  print => \&print_quotas,
-                  modify => \&modify_quotas,
                  },
         'requestauthor' =>
                  {text => 'Request Authoring Space',
@@ -376,8 +347,6 @@ sub handler {
                               col2 => 'Availability/Processing of requests',},
                              {col1 => 'Setting',
                               col2 => 'Value'}],
-                  print => \&print_quotas,
-                  modify => \&modify_quotas,
                  },
         'coursecategories' =>
                   { text => 'Cataloging of courses/communities',
@@ -387,8 +356,6 @@ sub handler {
                                {col1 => 'Categories',
                                 col2 => '',
                                }],
-                    print => \&print_coursecategories,
-                    modify => \&modify_coursecategories,
                   },
         'serverstatuses' =>
                  {text   => 'Access to server status pages',
@@ -397,30 +364,26 @@ 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'}],
+                 },
+        'coursedefaults' => 
                  {text => 'Course/Community defaults',
                   help => 'Domain_Configuration_Course_Defaults',
                   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',}],
                  },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
@@ -431,8 +394,6 @@ 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)',
@@ -442,8 +403,6 @@ sub handler {
                               col3 => 'User affiliation',
                               col4 => 'Overrides'},
                             ],
-                  print => \&print_loadbalancing,
-                  modify => \&modify_loadbalancing,
                  },
     );
     if (keys(%servers) > 1) {
@@ -455,8 +414,6 @@ sub handler {
                                         col2 => ''},
                                        {col1 => 'Log-in Help',
                                         col2 => 'Value'}],
-                            print => \&print_login,
-                            modify => \&modify_login,
                            };
     }
 
@@ -606,10 +563,10 @@ 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') {
@@ -656,12 +613,16 @@ sub print_config_box {
               <td class="LC_right_item"'.$rightcolspan.'>'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
              </tr>';
         $rowtotal ++;
-        if (($action eq 'autoupdate') || ($action eq 'usercreation') || ($action eq 'selfcreation') ||
-            ($action eq 'usermodification') || ($action eq 'selfenrollment') ||
-            ($action eq 'usersessions')) {
-            $output .= $item->{'print'}->('top',$dom,$settings,\$rowtotal);
+        if ($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,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
-            $output .= $item->{'print'}->('top',$dom,$item,$settings,\$rowtotal);
+            $output .= &print_coursecategories('top',$dom,$item,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
             if ($numheaders == 3) {
                 $colspan = ' colspan="2"';
@@ -669,10 +630,16 @@ sub print_config_box {
             } else {
                 $output .= &print_login('page',$dom,$confname,$phase,$settings,\$rowtotal);
             }
-        } elsif (($action eq 'requestcourses') || ($action eq 'requestauthor')) {
+        } elsif ($action eq 'requestcourses') {
+            $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
+        } elsif ($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,$settings,\$rowtotal);
+        } elsif ($action eq 'coursedefaults') {
+            $output .= &print_coursedefaults('top',$dom,$settings,\$rowtotal);
         }
         $output .= '
            </table>
@@ -682,14 +649,39 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col1'}).'</td>
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col1'}).'</td>';
+        $output .= '
               <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[1]->{'col2'}).'</td>
              </tr>';
             $rowtotal ++;
-        if (($action eq 'autoupdate') || ($action eq 'usercreation') ||
-            ($action eq 'selfcreation') || ($action eq 'selfenrollment') ||
-            ($action eq 'usersessions')) {
-            $output .= $item->{'print'}->('middle',$dom,$settings,\$rowtotal).'
+        if ($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,$settings,\$rowtotal).'
            </table>
           </td>
          </tr>
@@ -699,11 +691,11 @@ sub print_config_box {
              <tr class="LC_info_row">
               <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
-             </tr>'."\n".
-            $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
+             </tr>'.
+            &print_selfcreation('bottom',$dom,$settings,\$rowtotal);
             $rowtotal ++;
-        } elsif (($action eq 'usermodification') || ($action eq 'coursedefaults')) {
-            $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
+        } elsif ($action eq 'usermodification') {
+            $output .= &print_usermodification('middle',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
             $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
@@ -738,6 +730,21 @@ sub print_config_box {
                        &print_textbookcourses($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 'coursedefaults') {
+            $output .= &print_coursedefaults('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'coordinator',$dom,$confname,$settings,\$rowtotal).'
            </table>
@@ -816,14 +823,24 @@ sub print_config_box {
         $rowtotal ++;
         if ($action eq 'quotas') {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
-        } 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 '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 '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);
         }
     }
     $output .= '
@@ -2765,21 +2782,19 @@ sub print_coursedefaults {
                 '<td class="LC_right_item"><span class="LC_nobreak">'.
                 '<input type="text" name="anonsurvey_threshold"'.
                 ' value="'.$currdefresponder.'" size="5" /></span>'.
-                '</td></tr>'."\n";
-        $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>';
+                '</td></tr>'."\n".
+                '<tr><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 ++;
+        $itemcount += 2;
         my $onclick = 'toggleCredits(this.form);';
         my $display = 'none';
         if ($currusecredits) {
@@ -2810,192 +2825,6 @@ 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 $datatable;
@@ -3983,7 +3812,7 @@ sub print_selfcreation {
         ($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') {
@@ -4242,7 +4071,7 @@ sub print_usermodification {
             $$rowtotal ++;
             $rowcount ++;
         }
-    } elsif ($position eq 'bottom') {
+    } elsif ($position eq 'middle') {
         $context = 'course';
         $rowcount = 0;
         foreach my $role ('st','ep','ta','in','cr') {
@@ -4800,7 +4629,7 @@ sub serverstatus_pages {
     return ('userstatus','lonstatus','loncron','server-status','codeversions',
             'checksums','clusterstatus','metadata_keywords','metadata_harvest',
             'takeoffline','takeonline','showenv','toggledebug','ping','domconf',
-            'uniquecodes','diskusage');
+            'uniquecodes');
 }
 
 sub coursecategories_javascript {
@@ -5086,7 +4915,7 @@ sub modifiable_userdata_row {
                     if ($statustype) {
                         if (ref($settings->{$context}->{$role}->{$statustype}) eq 'HASH') {
                             $hashref = $settings->{$context}->{$role}->{$statustype};
-                            if (ref($hashref) eq 'HASH') {
+                            if (ref($hashref) eq 'HASH') { 
                                 foreach my $field (@fields) {
                                     if ($hashref->{$field}) {
                                         $checks{$field} = $hashref->{$field};
@@ -5107,7 +4936,7 @@ sub modifiable_userdata_row {
             }
         }
     }
-
+     
     for (my $i=0; $i<@fields; $i++) {
         my $rem = $i%($numinrow);
         if ($rem == 0) {
@@ -5123,7 +4952,7 @@ sub modifiable_userdata_row {
             } else {
                 if ($role eq 'st') {
                     if (ref($settings) ne 'HASH') {
-                        $check = ' checked="checked" ';
+                        $check = ' checked="checked" '; 
                     }
                 }
             }
@@ -9227,7 +9056,6 @@ sub modify_coursedefaults {
                 }
             }
         }
-
         my $officialcreds = $env{'form.official_credits'};
         $officialcreds =~ s/[^\d.]+//g;
         my $unofficialcreds = $env{'form.unofficial_credits'};
@@ -9255,8 +9083,7 @@ sub modify_coursedefaults {
     if ($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'};
                 }
@@ -9331,245 +9158,6 @@ 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;