--- loncom/interface/domainprefs.pm	2015/03/16 13:19:09	1.160.6.59
+++ loncom/interface/domainprefs.pm	2015/06/09 21:22:55	1.265
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.59 2015/03/16 13:19:09 raeburn Exp $
+# $Id: domainprefs.pm,v 1.265 2015/06/09 21:22:55 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -213,15 +213,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','coursedefaults',
-                'usersessions','loadbalancing','requestauthor',
-                'selfenrollment','inststatus'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor','selfenrollment','inststatus'],$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','selfenrollment','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -411,6 +411,14 @@ sub handler {
                   print => \&print_serverstatuses,
                   modify => \&modify_serverstatuses,
                  },
+        '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',
@@ -433,6 +441,14 @@ sub handler {
                   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',
                   help  => 'Domain_Configuration_User_Sessions',
@@ -619,6 +635,8 @@ 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') {
@@ -892,8 +910,6 @@ sub print_config_box {
             $output .= &print_scantronformat($r,$dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'helpsettings') {
             $output .= &print_helpsettings($dom,$confname,$settings,\$rowtotal);
-        } elsif ($action eq 'coursedefaults') {
-            $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
         }
     }
     $output .= '
@@ -2868,7 +2884,7 @@ sub radiobutton_prefs {
         } else {
             $datatable .= '<td class="LC_right_item">';
         }
-        $datatable .=
+        $datatable .= 
             '<span class="LC_nobreak">'.
             '<label><input type="radio" name="'.
             $item.'" '.$checkedon{$item}.' value="1"'.$onclick.' />'.&mt('Yes').
@@ -2887,12 +2903,14 @@ sub print_coursedefaults {
     my ($css_class,$datatable,%checkedon,%checkedoff,%defaultchecked,@toggles);
     my $itemcount = 1;
     my %choices =  &Apache::lonlocal::texthash (
+        canuse_pdfforms      => 'Course/Community users can create/upload PDF forms',
         uploadquota          => 'Default quota for files uploaded directly to course/community using Course Editor (MB)',
         anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
         coursecredits        => 'Credits can be specified for courses',
         uselcmath            => 'Math preview uses LON-CAPA previewer (javascript) in place of DragMath (Java)',
         usejsme              => 'Molecule editor uses JSME (HTML5) in place of JME (Java)',
         postsubmit           => 'Disable submit button/keypress following student submission',
+        canclone             => "People who may clone a course (besides course's owner and coordinators)",     
     );
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
@@ -2901,12 +2919,85 @@ sub print_coursedefaults {
                          );
     if ($position eq 'top') {
         %defaultchecked = (
+                            'canuse_pdfforms' => 'off',
                             'uselcmath'       => 'on',
                             'usejsme'         => 'on',
+                            'canclone'        => 'none', 
                           );
-        @toggles = ('uselcmath','usejsme');
+        @toggles = ('canuse_pdfforms','uselcmath','usejsme');
         ($datatable,$itemcount) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
                                                      \%choices,$itemcount);
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .=
+            '<tr'.$css_class.'><td valign="top">'.
+            '<span class="LC_nobreak">'.$choices{'canclone'}.
+            '</span></td><td class="LC_left_item">';
+        my $currcanclone = 'none';
+        my $onclick;
+        my @cloneoptions = ('none','domain');
+        my %clonetitles = (
+                             none     => 'No additional course requesters',
+                             domain   => "Any course requester in course's domain",
+                             instcode => 'Course requests for official courses ...',
+                          );
+        my (%codedefaults,@code_order,@posscodes);
+        if (&Apache::lonnet::auto_instcode_defaults($dom,\%codedefaults,
+                                                    \@code_order) eq 'ok') {
+            if (@code_order > 0) {
+                push(@cloneoptions,'instcode');
+                $onclick = ' onclick="toggleDisplay(this.form,'."'cloneinstcode'".');"';
+            }
+        }
+        if (ref($settings) eq 'HASH') {
+            if ($settings->{'canclone'}) {
+                if (ref($settings->{'canclone'}) eq 'HASH') {
+                    if (ref($settings->{'canclone'}{'instcode'}) eq 'ARRAY') {
+                        if (@code_order > 0) {
+                            $currcanclone = 'instcode';
+                            @posscodes = @{$settings->{'canclone'}{'instcode'}};
+                        }
+                    }
+                } elsif ($settings->{'canclone'} eq 'domain') {
+                    $currcanclone = $settings->{'canclone'};
+                }
+            }
+        } 
+        foreach my $option (@cloneoptions) {
+            my ($checked,$additional);
+            if ($currcanclone eq $option) {
+                $checked = ' checked="checked"';
+            }
+            if ($option eq 'instcode') {
+                if (@code_order) {
+                    my $show = 'none';
+                    if ($checked) {
+                        $show = 'block';
+                    }
+                    $additional = '<div id="cloneinstcode" style="display:'.$show.'" />'.
+                                  &mt('Institutional codes for new and cloned course have identical:').
+                                  '<br />';
+                    foreach my $item (@code_order) {
+                        my $codechk;
+                        if ($checked) {
+                            if (grep(/^\Q$item\E$/,@posscodes)) {
+                                $codechk = ' checked="checked"';
+                            }
+                        }
+                        $additional .= '<label>'.
+                                       '<input type="checkbox" name="clonecode" value="'.$item.'"'.$codechk.' />'.
+                                       $item.'</label>';
+                    }
+                    $additional .= ('&nbsp;'x2).'('.&mt('check as many as needed').')</div>';
+                }
+            }
+            $datatable .=
+                '<span class="LC_nobreak"><label><input type="radio" name="canclone"'.$checked.
+                ' value="'.$option.'"'.$onclick.' />'.$clonetitles{$option}.
+                '</label>&nbsp;'.$additional.'</span><br />';
+        }
+        $datatable .= '</td>'.
+                      '</tr>';
+        $itemcount ++;
     } else {
         $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
         my ($currdefresponder,%defcredits,%curruploadquota,%deftimeout);
@@ -2939,7 +3030,7 @@ sub print_coursedefaults {
                     foreach my $type (@types) {
                         if (ref($settings->{'postsubmit'}->{'timeout'}) eq 'HASH') {
                             if ($settings->{'postsubmit'}->{'timeout'}->{$type} =~ /^\d+$/) {
-                                $deftimeout{$type} = $settings->{'postsubmit'}->{'timeout'}->{$type};
+                                $deftimeout{$type} = $settings->{'postsubmit'}->{'timeout'}->{$type}; 
                             } else {
                                 $deftimeout{$type} = $staticdefaults{'postsubmit'};
                             }
@@ -3281,7 +3372,13 @@ sub print_usersessions {
     if ($position eq 'top') {
         if (keys(%serverhomes) > 1) {
             my %spareid = &current_offloads_to($dom,$settings,\%servers);
-            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,$rowtotal);
+            my $curroffloadnow;
+            if (ref($settings) eq 'HASH') {
+                if (ref($settings->{'offloadnow'}) eq 'HASH') {
+                    $curroffloadnow = $settings->{'offloadnow'};
+                }
+            }
+            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,$curroffloadnow,$rowtotal);
         } else {
             $datatable .= '<tr'.$css_class.'><td colspan="2">'.
                           &mt('Nothing to set here, as the cluster to which this domain belongs only contains one server.');
@@ -3531,7 +3628,7 @@ sub current_offloads_to {
 }
 
 sub spares_row {
-    my ($dom,$servers,$spareid,$serverhomes,$altids,$rowtotal) = @_;
+    my ($dom,$servers,$spareid,$serverhomes,$altids,$curroffloadnow,$rowtotal) = @_;
     my $css_class;
     my $numinrow = 4;
     my $itemcount = 1;
@@ -3551,12 +3648,21 @@ sub spares_row {
                 }
             }
             next unless (ref($spareid->{$server}) eq 'HASH');
+            my $checkednow;
+            if (ref($curroffloadnow) eq 'HASH') {
+                if ($curroffloadnow->{$server}) {
+                    $checkednow = ' checked="checked"';
+                }
+            }
             $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
             $datatable .= '<tr'.$css_class.'>
                            <td rowspan="2">
                             <span class="LC_nobreak">'.
                           &mt('[_1] when busy, offloads to:'
-                              ,'<b>'.$server.'</b>').
+                              ,'<b>'.$server.'</b>').'</span><br />'.
+                          '<span class="LC_nobreak">'."\n". 
+                          '<label><input type="checkbox" name="offloadnow" value="'.$server.'"'.$checkednow.' />'.
+                          '&nbsp;'.&mt('Switch active users on next access').'</label></span>'.
                           "\n";
             my (%current,%canselect);
             my @choices = 
@@ -4683,11 +4789,8 @@ sub print_defaults {
                 my $includeempty = 1;
                 $datatable .= &Apache::loncommon::select_datelocale($item,$defaults{$item},undef,$includeempty);
             } elsif ($item eq 'lang_def') {
-                my %langchoices = &get_languages_hash();
-                $langchoices{''} = 'No language preference';
-                %langchoices = &Apache::lonlocal::texthash(%langchoices);
-                $datatable .= &Apache::loncommon::select_form($defaults{$item},$item,
-                                                              \%langchoices);
+                my $includeempty = 1;
+                $datatable .= &Apache::loncommon::select_language($item,$defaults{$item},$includeempty);
             } else {
                 my $size;
                 if ($item eq 'portal_def') {
@@ -4756,7 +4859,7 @@ sub print_defaults {
                     $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
                 }
                 $datatable .= '</select>&nbsp;'.&mt('Internal ID:').
-                              '<input type="text" size="10" name="addinststatus" value="" /></span>'.
+                              '<input type="text" size="10" name="addinststatus" value="" />'.
                               '&nbsp;'.&mt('(new)').
                               '</span></td><td class="LC_left_item"><span class="LC_nobreak">'.
                               &mt('Name displayed:').
@@ -5293,12 +5396,12 @@ 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','diskusage','coursecatalog');
 }
 
 sub defaults_javascript {
     my ($settings) = @_;
-    return unless (ref($settings) eq 'HASH');
+    return unless (ref($settings) eq 'HASH'); 
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
@@ -5383,7 +5486,10 @@ sub coursecategories_javascript {
     }
     my $instcode_reserved = &mt('The name: [_1] is a reserved category.','"instcode"');
     my $communities_reserved = &mt('The name: [_1] is a reserved category.','"communities"');
-    my $choose_again = '\\n'.&mt('Please use a different name for the new top level category.'); 
+    my $choose_again = "\n".&mt('Please use a different name for the new top level category.'); 
+    &js_escape(\$instcode_reserved);
+    &js_escape(\$communities_reserved);
+    &js_escape(\$choose_again);
     $output = <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
@@ -6037,7 +6143,6 @@ sub modify_login {
                         $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
                         if ((grep(/^\Q$lang\E$/,@currlangs)) &&
                             (!grep(/^\Q$lang\E$/,@delurls))) {
-
                             $loginhash{'login'}{'helpurl'}{$lang} = $domconfig{'login'}{'helpurl'}{$lang};
                         }
                     }
@@ -6080,7 +6185,7 @@ sub modify_login {
             } elsif ($currheadtagurls{$lonhost}) {
                 $loginhash{'login'}{'headtag'}{$lonhost}{'url'} = $currheadtagurls{$lonhost};
                 if ($currexempt{$lonhost}) {
-                    if ((!exists($possexempt{$lonhost})) || ($possexempt{$lonhost} ne $currexempt{$lonhost})) {
+                    if ((!exists($possexempt{$lonhost})) || ($possexempt{$lonhost} ne $currexempt{$lonhost})) { 
                         $changes{'headtag'}{$lonhost} = 1;
                     }
                 } elsif ($possexempt{$lonhost}) {
@@ -6131,7 +6236,6 @@ sub modify_login {
             $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
         }
     }
-
     &process_captcha('login',\%changes,$loginhash{'login'},$domconfig{'login'});
 
     my $defaulthelpfile = '/adm/loginproblems.html';
@@ -6306,6 +6410,7 @@ sub modify_login {
     return $resulttext;
 }
 
+
 sub check_exempt_addresses {
     my ($iplist) = @_;
     $iplist =~ s/^\s+//;
@@ -7215,7 +7320,7 @@ sub modify_quotas {
                                     my $newpos = $env{'form.'.$itemid};
                                     $newpos =~ s/\D+//g;
                                     foreach my $item ('subject','title','publisher','author') {
-                                        next if ((($item eq 'author') || ($item eq 'publisher')) &&
+                                        next if ((($item eq 'author') || ($item eq 'publisher')) && 
                                                  ($type eq 'templates'));
                                         $confhash{$type}{$key}{$item} = $env{'form.'.$type.'_'.$item.'_'.$i};
                                         if ($domconfig{$action}{$type}{$key}{$item} ne $confhash{$type}{$key}{$item}) {
@@ -10216,10 +10321,11 @@ sub modify_coursedefaults {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%defaultshash);
     my %defaultchecked = (
+                           'canuse_pdfforms' => 'off',
                            'uselcmath'       => 'on',
                            'usejsme'         => 'on'
                          );
-    my @toggles = ('uselcmath','usejsme');
+    my @toggles = ('canuse_pdfforms','uselcmath','usejsme');
     my @numbers = ('anonsurvey_threshold','uploadquota_official','uploadquota_unofficial',
                    'uploadquota_community','uploadquota_textbook');
     my @types = ('official','unofficial','community','textbook');
@@ -10287,7 +10393,42 @@ sub modify_coursedefaults {
                 }
             }
         }
-
+        my $currclone = $domconfig{'coursedefaults'}{'canclone'};
+        my @currclonecode;
+        if (ref($currclone) eq 'HASH') {
+            if (ref($currclone->{'instcode'}) eq 'ARRAY') {
+                @currclonecode = @{$currclone->{'instcode'}};
+            }
+        }
+        my $newclone;
+        if ($env{'form.canclone'} =~ /^(none|domain|instcode)$/) { 
+            $newclone = $env{'form.canclone'};
+        }
+        if ($newclone eq 'instcode') {
+            my @newcodes = &Apache::loncommon::get_env_multiple('form.clonecode');
+            my (%codedefaults,@code_order,@clonecode);
+            &Apache::lonnet::auto_instcode_defaults($dom,\%codedefaults,
+                                                    \@code_order);
+            foreach my $item (@code_order) {
+                if (grep(/^\Q$item\E$/,@newcodes)) {
+                    push(@clonecode,$item);
+                }
+            }
+            if (@clonecode) {
+                $defaultshash{'coursedefaults'}{'canclone'} = { $newclone => \@clonecode };
+                my @diffs = &Apache::loncommon::compare_arrays(\@currclonecode,\@clonecode);
+                if (@diffs) {
+                    $changes{'canclone'} = 1;
+                }
+            } else {
+                $newclone eq '';
+            }
+        } elsif ($newclone ne '') {
+            $defaultshash{'coursedefaults'}{'canclone'} = $newclone; 
+        } 
+        if ($newclone ne $currclone) {
+            $changes{'canclone'} = 1;
+        }
         my %credits;
         foreach my $type (@types) {
             unless ($type eq 'community') {
@@ -10302,10 +10443,10 @@ sub modify_coursedefaults {
                 $defaultshash{'coursedefaults'}{'coursecredits'}{$type} = $credits{$type};
             }
         } else {
-            if ($env{'form.coursecredits'} eq '1') {
+            if ($env{'form.coursecredits'} eq '1') { 
                 foreach my $type (@types) {
                     unless ($type eq 'community') {
-                        if ($domconfig{'coursedefaults'}{'coursecredits'}{$type} ne $credits{$type}) {
+                        if ($domconfig{'coursedefaults'}{'coursecredits'}{$type} ne $credits{$type}) {        
                             $changes{'coursecredits'} = 1;
                         }
                         $defaultshash{'coursedefaults'}{'coursecredits'}{$type} = $credits{$type};
@@ -10348,7 +10489,7 @@ sub modify_coursedefaults {
                 }
                 if (exists($currtimeout{$type})) {
                     if ($timeout ne $currtimeout{$type}) {
-                        $changes{'postsubmit'} = 1;
+                        $changes{'postsubmit'} = 1; 
                     }
                 } elsif ($timeout ne '') {
                     $changes{'postsubmit'} = 1;
@@ -10370,13 +10511,14 @@ sub modify_coursedefaults {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-            if (($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
-                ($changes{'coursecredits'}) || ($changes{'uselcmath'}) || ($changes{'usejsme'})) {
-                foreach my $item ('uselcmath','usejsme') {
+            if (($changes{'canuse_pdfforms'}) || ($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
+                ($changes{'coursecredits'}) || ($changes{'uselcmath'}) || ($changes{'usejsme'}) ||
+                ($changes{'canclone'})) {
+                foreach my $item ('canuse_pdfforms','uselcmath','usejsme') { 
                     if ($changes{$item}) {
                         $domdefaults{$item}=$defaultshash{'coursedefaults'}{$item};
                     }
-                }
+                } 
                 if ($changes{'coursecredits'}) {
                     if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
                         foreach my $type (keys(%{$defaultshash{'coursedefaults'}{'coursecredits'}})) {
@@ -10403,6 +10545,18 @@ sub modify_coursedefaults {
                         }
                     }
                 }
+                if ($changes{'canclone'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'canclone'}) eq 'HASH') {
+                        if (ref($defaultshash{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
+                            my @clonecodes = @{$defaultshash{'coursedefaults'}{'canclone'}{'instcode'}};
+                            if (@clonecodes) {
+                                $domdefaults{'canclone'} = join('+',@clonecodes);
+                            }
+                        }
+                    } else {
+                        $domdefaults{'canclone'}=$defaultshash{'coursedefaults'}{'canclone'};
+                    }
+                }
                 my $cachetime = 24*60*60;
                 &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
                 if (ref($lastactref) eq 'HASH') {
@@ -10411,7 +10565,13 @@ sub modify_coursedefaults {
             }
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (sort(keys(%changes))) {
-                if ($item eq 'uselcmath') {
+                if ($item eq 'canuse_pdfforms') {
+                    if ($env{'form.'.$item} eq '1') {
+                        $resulttext .= '<li>'.&mt("Course/Community users can create/upload PDF forms set to 'on'").'</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('Course/Community users can create/upload PDF forms set to "off"').'</li>';
+                    }
+                } elsif ($item eq 'uselcmath') {
                     if ($env{'form.'.$item} eq '1') {
                         $resulttext .= '<li>'.&mt('Math preview uses LON-CAPA previewer (javascript), if supported by browser.').'</li>';
                     } else {
@@ -10421,7 +10581,7 @@ sub modify_coursedefaults {
                     if ($env{'form.'.$item} eq '1') {
                         $resulttext .= '<li>'.&mt('Molecule editor uses JSME (HTML5), if supported by browser.').'</li>';
                     } else {
-                        $resulttext .= '<li>'.&mt('Molecule editor uses JME (Java), if supported by client OS.').'</li>';
+                        $resulttext .= '<li>'.&mt('Molecule editor uses JME (Java), if supported by client OS.').'</li>'; 
                     }
                 } elsif ($item eq 'anonsurvey_threshold') {
                     $resulttext .= '<li>'.&mt('Responder count required for display of anonymous survey submissions set to [_1].',$defaultshash{'coursedefaults'}{'anonsurvey_threshold'}).'</li>';
@@ -10443,7 +10603,7 @@ sub modify_coursedefaults {
                         $resulttext .= '<li>'.&mt('Submit button(s) remain enabled on page after student makes submission.');
                     } else {
                         $resulttext .= '<li>'.&mt('Submit button(s) disabled on page after student makes submission').'; ';
-                        if (ref($defaultshash{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
+                        if (ref($defaultshash{'coursedefaults'}{'postsubmit'}) eq 'HASH') { 
                             $resulttext .= &mt('durations:').'<ul>';
                             foreach my $type (@types) {
                                 $resulttext .= '<li>';
@@ -10472,7 +10632,7 @@ sub modify_coursedefaults {
                             }
                             $resulttext .= '</ul>';
                         }
-                        $resulttext .= '</li>';
+                        $resulttext .= '</li>';    
                     }
                 } elsif ($item eq 'coursecredits') {
                     if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
@@ -10491,6 +10651,17 @@ sub modify_coursedefaults {
                     } else {
                         $resulttext .= '<li>'.&mt('Student credits not in use for courses in this domain').'</li>';
                     }
+                } elsif ($item eq 'canclone') {
+                    if (ref($defaultshash{'coursedefaults'}{'canclone'}) eq 'HASH') {
+                        if (ref($defaultshash{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
+                            my $clonecodes = join(' '.&mt('and').' ',@{$defaultshash{'coursedefaults'}{'canclone'}{'instcode'}});
+                            $resulttext .= '<li>'.&mt('By default, official courses can be cloned from existing courses with the same: [_1]','<b>'.$clonecodes.'</b>').'</li>';
+                        }
+                    } elsif ($defaultshash{'coursedefaults'}{'canclone'} eq 'domain') {
+                        $resulttext .= '<li>'.&mt('By default, a course requester can clone any course from his/her domain.').'</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('By default, only course owner and coordinators may clone a course.').'</li>'; 
+                    }
                 }
             }
             $resulttext .= '</ul>';
@@ -10909,7 +11080,23 @@ sub modify_usersessions {
             $changes{'spares'}{$lonhost} = \%spareschg;
         }
     }
-
+    $defaultshash{'usersessions'}{'offloadnow'} = {};
+    my @offloadnow = &Apache::loncommon::get_env_multiple('form.offloadnow');
+    my @okoffload;
+    if (@offloadnow) {
+        foreach my $server (@offloadnow) {
+            if (&Apache::lonnet::hostname($server) ne '') {
+                unless (grep(/^\Q$server\E$/,@okoffload)) {
+                    push(@okoffload,$server);
+                }
+            }
+        }
+        if (@okoffload) {
+            foreach my $lonhost (@okoffload) {
+                $defaultshash{'usersessions'}{'offloadnow'}{$lonhost} = 1;
+            }
+        }
+    }
     if (ref($domconfig{'usersessions'}) eq 'HASH') {
         if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
             if (ref($changes{'spares'}) eq 'HASH') {
@@ -10920,8 +11107,27 @@ sub modify_usersessions {
         } else {
             $savespares = 1;
         }
+        if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
+            foreach my $lonhost (keys(%{$domconfig{'usersessions'}{'offloadnow'}})) {
+                unless ($defaultshash{'usersessions'}{'offloadnow'}{$lonhost}) {
+                    $changes{'offloadnow'} = 1;
+                    last;
+                }
+            }
+            unless ($changes{'offloadnow'}) {
+                foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{'offloadnow'}})) { 
+                    unless ($domconfig{'usersessions'}{'offloadnow'}{$lonhost}) {
+                        $changes{'offloadnow'} = 1;
+                        last;
+                    }
+                }
+            }
+        } elsif (@okoffload) {
+            $changes{'offloadnow'} = 1;
+        }
+    } elsif (@okoffload) {
+        $changes{'offloadnow'} = 1;
     }
-
     my $nochgmsg = &mt('No changes made to settings for user session hosting/offloading.');
     if ((keys(%changes) > 0) || ($savespares)) {
         my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
@@ -10934,6 +11140,9 @@ sub modify_usersessions {
                 if (ref($defaultshash{'usersessions'}{'hosted'}) eq 'HASH') {
                     $domdefaults{'hostedsessions'} = $defaultshash{'usersessions'}{'hosted'};
                 }
+                if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
+                    $domdefaults{'offloadnow'} = $defaultshash{'usersessions'}{'offloadnow'};
+                }
             }
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
@@ -11002,6 +11211,21 @@ sub modify_usersessions {
                         $resulttext .= '</ul>';
                     }
                 }
+                if ($changes{'offloadnow'}) {
+                    if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
+                        if (keys(%{$defaultshash{'usersessions'}{'offloadnow'}}) > 0) {
+                            $resulttext .= '<li>'.&mt('Switch active users on next access, for server(s):').'<ul>';
+                            foreach my $lonhost (sort(keys(%{$defaultshash{'usersessions'}{'offloadnow'}}))) {
+                                $resulttext .= '<li>'.$lonhost.'</li>';
+                            }
+                            $resulttext .= '</ul>';
+                        } else {
+                            $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.');
+                        }
+                    } else {
+                        $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.').'</li>';
+                    }
+                }
                 $resulttext .= '</ul>';
             } else {
                 $resulttext = $nochgmsg;
@@ -11116,7 +11340,7 @@ sub modify_loadbalancing {
                 }
                 if ($rule eq 'specific') {
                     my $specifiedhost = $env{'form.loadbalancing_singleserver_'.$i.'_'.$type};
-                    if (exists($servers{$specifiedhost})) {
+                    if (exists($servers{$specifiedhost})) { 
                         $rule = $specifiedhost;
                     }
                 }
@@ -11192,7 +11416,7 @@ sub modify_loadbalancing {
                                         if ($rule eq '') {
                                             $balancetext =  $ruletitles{'default'};
                                         } elsif (($rule eq 'homeserver') || ($rule eq 'externalbalancer') ||
-                                                 ($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) {
+                                                 ($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) { 
                                             if (($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) {
                                                 foreach my $sparetype (@sparestypes) {
                                                     if (ref($defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}) eq 'ARRAY') {
@@ -11947,12 +12171,18 @@ function toggleDisplay(domForm,caller) {
     if (document.getElementById(caller)) {
         var divitem = document.getElementById(caller);
         var optionsElement = domForm.coursecredits;
+        var checkval = 1;
+        var dispval = 'block';
         if (caller == 'emailoptions') {
             optionsElement = domForm.cancreate_email; 
         }
         if (caller == 'studentsubmission') {
             optionsElement = domForm.postsubmit;
         }
+        if (caller == 'cloneinstcode') {
+            optionsElement = domForm.canclone;
+            checkval = 'instcode';
+        }
         if (optionsElement.length) {
             var currval;
             for (var i=0; i<optionsElement.length; i++) {
@@ -11960,8 +12190,8 @@ function toggleDisplay(domForm,caller) {
                    currval = optionsElement[i].value;
                 }
             }
-            if (currval == 1) {
-                divitem.style.display = 'block';
+            if (currval == checkval) {
+                divitem.style.display = dispval;
             } else {
                 divitem.style.display = 'none';
             }
@@ -11994,7 +12224,7 @@ sub devalidate_remote_domconfs {
     my %thismachine;
     map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
     my @posscached = ('domainconfig','domdefaults');
-    if (keys(%servers) > 1) {
+    if (keys(%servers)) {
         foreach my $server (keys(%servers)) {
             next if ($thismachine{$server});
             my @cached;