--- loncom/interface/lonmodifycourse.pm	2009/11/23 21:45:18	1.49
+++ loncom/interface/lonmodifycourse.pm	2024/04/14 17:12:27	1.105
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # handler for DC-only modifiable course settings
 #
-# $Id: lonmodifycourse.pm,v 1.49 2009/11/23 21:45:18 raeburn Exp $
+# $Id: lonmodifycourse.pm,v 1.105 2024/04/14 17:12:27 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,22 +34,36 @@ use Apache::loncommon;
 use Apache::lonhtmlcommon;
 use Apache::lonlocal;
 use Apache::lonuserutils;
+use Apache::loncreateuser;
 use Apache::lonpickcourse;
 use lib '/home/httpd/lib/perl';
-use LONCAPA;
+use LONCAPA qw(:DEFAULT :match);
+
+my $registered_cleanup;
+my $modified_dom;
 
 sub get_dc_settable {
-    my ($type) = @_;
+    my ($type,$cdom) = @_;
     if ($type eq 'Community') {
-        return ('courseowner');
+        return ('courseowner','selfenrollmgrdc','selfenrollmgrcc');
     } else {
-        return ('courseowner','coursecode','authtype','autharg');
+        my @items = ('courseowner','coursecode','authtype','autharg','selfenrollmgrdc',
+                     'selfenrollmgrcc','mysqltables');
+        if (&showcredits($cdom)) {
+            push(@items,'defaultcredits');
+        }
+        my %passwdconf = &Apache::lonnet::get_passwdconf($cdom);
+        if (($passwdconf{'crsownerchg'}) && ($type ne 'Placement')) {
+            push(@items,'nopasswdchg');
+        }
+        return @items;
     }
 }
 
 sub autoenroll_keys {
-    my $internals = ['coursecode','courseowner','authtype','autharg','autoadds','autodrops',
-                         'autostart','autoend','sectionnums','crosslistings'];
+    my $internals = ['coursecode','courseowner','authtype','autharg','defaultcredits',
+                     'autoadds','autodrops','autostart','autoend','sectionnums',
+                     'crosslistings','co-owners','autodropfailsafe'];
     my $accessdates = ['default_enrollment_start_date','default_enrollment_end_date'];
     return ($internals,$accessdates);
 }
@@ -65,6 +79,13 @@ sub catalog_settable {
             if ($confhash->{'categorizecomm'} ne 'comm') {
                 push(@settable,'categorize');
             }
+        } elsif ($type eq 'Placement') {
+            if ($confhash->{'togglecatsplace'} ne 'place') {
+                push(@settable,'togglecats');
+            }
+            if ($confhash->{'categorizeplace'} ne 'place') {
+                push(@settable,'categorize');
+            }
         } else {
             if ($confhash->{'togglecats'} ne 'crs') {
                 push(@settable,'togglecats');
@@ -83,10 +104,11 @@ sub get_enrollment_settings {
     my ($cdom,$cnum) = @_;
     my ($internals,$accessdates) = &autoenroll_keys();
     my @items;
-    if ((ref($internals) eq 'ARRAY') && (ref($accessdates) eq 'ARRAY')) { 
+    if ((ref($internals) eq 'ARRAY') && (ref($accessdates) eq 'ARRAY')) {
         @items = map { 'internal.'.$_; } (@{$internals});
         push(@items,@{$accessdates});
     }
+    push(@items,'internal.nopasswdchg');
     my %settings = &Apache::lonnet::get('environment',\@items,$cdom,$cnum);
     my %enrollvar;
     $enrollvar{'autharg'} = '';
@@ -106,13 +128,18 @@ sub get_enrollment_settings {
                 } else {
                     $enrollvar{$type} = &Apache::lonlocal::locallocaltime($settings{$item});
                 }
-            } elsif ($type eq "sectionnums") {
+            } elsif (($type eq 'sectionnums') || ($type eq 'co-owners')) {
                 $enrollvar{$type} = $settings{$item};
                 $enrollvar{$type} =~ s/,/, /g;
             } elsif ($type eq "authtype"
                      || $type eq "autharg"    || $type eq "coursecode"
-                     || $type eq "crosslistings") {
+                     || $type eq "crosslistings" || $type eq "selfenrollmgr"
+                     || $type eq "autodropfailsafe" || $type eq 'nopasswdchg') {
                 $enrollvar{$type} = $settings{$item};
+            } elsif ($type eq 'defaultcredits') {
+                if (&showcredits($cdom)) {
+                    $enrollvar{$type} = $settings{$item};
+                }
             } elsif ($type eq 'courseowner') {
                 if ($settings{$item} =~ /^[^:]+:[^:]+$/) {
                     $enrollvar{$type} = $settings{$item};
@@ -144,165 +171,494 @@ sub print_course_search_page {
         $type = 'Course';
     }
     &print_header($r,$type);
-    my $filterlist = ['descriptfilter',
-                      'instcodefilter','ownerfilter',
-                      'coursefilter'];
-    my $filter = {};
-    my ($numtitles,$cctitle,$dctitle);
+    my ($filterlist,$filter) = &get_filters($dom);
+    my ($numtitles,$cctitle,$dctitle,@codetitles);
     my $ccrole = 'cc';
     if ($type eq 'Community') {
         $ccrole = 'co';
     }
     $cctitle = &Apache::lonnet::plaintext($ccrole,$type);
     $dctitle = &Apache::lonnet::plaintext('dc');
-    $r->print(&Apache::lonpickcourse::js_changer());
+    $r->print(&Apache::loncommon::js_changer());
     if ($type eq 'Community') {
         $r->print('<h3>'.&mt('Search for a community in the [_1] domain',$domdesc).'</h3>');
+    } elsif ($type eq 'Placement') {
+        $r->print('<h3>'.&mt('Search for a placement test in the [_1] domain',$domdesc).'</h3>');
     } else {
         $r->print('<h3>'.&mt('Search for a course in the [_1] domain',$domdesc).'</h3>');
-    }   
-    $r->print(&Apache::lonpickcourse::build_filters($filterlist,$type,
-                             undef,undef,$filter,$action,\$numtitles,'modifycourse'));
+    }
+    $r->print(&Apache::loncommon::build_filters($filterlist,$type,undef,undef,$filter,$action,
+                                                \$numtitles,'modifycourse',undef,undef,undef,
+                                                \@codetitles,$dom));
+
+    my ($actiontext,$roleoption,$settingsoption);
     if ($type eq 'Community') {
-        $r->print(&mt('Actions available after searching for a community:').'<ul>'.
-                  '<li>'.&mt('Enter the community with the role of [_1]',$cctitle).'</li>'."\n".
-                  '<li>'.&mt('View or modify community settings which only a [_1] may modify.',$dctitle).
-                  '</li>'."\n".'</ul>');
-    } else {
-        $r->print(&mt('Actions available after searching for a course:').'<ul>'.
-                  '<li>'.&mt('Enter the course with the role of [_1]',$cctitle).'</li>'."\n".
-                  '<li>'.&mt('View or modify course settings which only a [_1] may modify.',$dctitle).
-                  '</li>'."\n".'</ul>');
+        $actiontext = &mt('Actions available after searching for a community:');
+    } elsif ($type eq 'Placement') {
+        $actiontext = &mt('Actions available after searching for a placement test:')
+    } else {
+        $actiontext = &mt('Actions available after searching for a course:');
     }
+    if (&Apache::lonnet::allowed('ccc',$dom)) {
+       if ($type eq 'Community') {
+           $roleoption = &mt('Enter the community with the role of [_1]',$cctitle);
+           $settingsoption = &mt('View or modify community settings which only a [_1] may modify.',$dctitle);
+       } elsif ($type eq 'Placement') {
+           $roleoption = &mt('Enter the placement test with the role of [_1]',$cctitle);
+           $settingsoption = &mt('View or modify placement test settings which only a [_1] may modify.',$dctitle);
+       } else {
+           $roleoption = &mt('Enter the course with the role of [_1]',$cctitle);
+           $settingsoption = &mt('View or modify course settings which only a [_1] may modify.',$dctitle);
+       }
+    } elsif (&Apache::lonnet::allowed('rar',$dom)) {
+        my ($roles_by_num,$description,$accessref,$accessinfo) = &Apache::lonnet::get_all_adhocroles($dom);
+        if ((ref($roles_by_num) eq 'ARRAY') && (ref($description) eq 'HASH')) {
+            if (@{$roles_by_num} > 1) {
+                if ($type eq 'Community') {
+                    $roleoption = &mt('Enter the community with one of the available ad hoc roles');
+                } elsif ($type eq 'Placement') {
+                    $roleoption = &mt('Enter the placement test with one of the available ad hoc roles.');
+                } else {
+                    $roleoption = &mt('Enter the course with one of the available ad hoc roles.');
+                }
+            } else {
+                my $rolename = $description->{$roles_by_num->[0]};
+                if ($type eq 'Community') {
+                    $roleoption = &mt('Enter the community with the ad hoc role of: [_1]',$rolename);
+                } elsif ($type eq 'Placement') {
+                    $roleoption = &mt('Enter the placement test with the ad hoc role of: [_1]',$rolename);
+                } else {
+                    $roleoption = &mt('Enter the course with the ad hoc role of: [_1]',$rolename);
+                }
+            }
+        }
+        if ($type eq 'Community') {
+            $settingsoption = &mt('View community settings which only a [_1] may modify.',$dctitle);
+        } elsif ($type eq 'Placement') {
+            $settingsoption = &mt('View placement test settings which only a [_1] may modify.',$dctitle);
+        } else {
+            $settingsoption = &mt('View course settings which only a [_1] may modify.',$dctitle);
+        }
+    }
+    $r->print($actiontext.'<ul>');
+    if ($roleoption) {
+        $r->print('<li>'.$roleoption.'</li>'."\n");
+    }
+    $r->print('<li>'.$settingsoption.'</li>'."\n".'</ul>');
+    return;
 }
 
 sub print_course_selection_page {
-    my ($r,$dom,$domdesc) = @_;
+    my ($r,$dom,$domdesc,$permission) = @_;
     my $type = $env{'form.type'};
     if (!defined($type)) {
         $type = 'Course';
     }
     &print_header($r,$type);
 
-# Criteria for course search 
-    my $filterlist = ['descriptfilter',
-                      'instcodefilter','ownerfilter',
-                      'ownerdomfilter','coursefilter'];
-    my %filter;
+    if ($permission->{'adhocrole'} eq 'custom') {
+        my %lt = &Apache::lonlocal::texthash(
+            title    => 'Ad hoc role selection',
+            preamble => 'Please choose an ad hoc role in the course.',
+            cancel   => 'Click "OK" to enter the course, or "Cancel" to choose a different course.',
+        );
+        my %jslt = &Apache::lonlocal::texthash (
+            none => 'You are not eligible to use an ad hoc role for the selected course',
+            ok   => 'OK',
+            exit => 'Cancel',
+        );
+        &js_escape(\%jslt);
+        $r->print(<<"END");
+<script type="text/javascript">
+// <![CDATA[
+\$(document).ready(function(){
+    \$( "#LC_adhocrole_chooser" ).dialog({ autoOpen: false });
+});
+
+function gochoose(cname,cdom,cdesc) {
+    document.courselist.pickedcourse.value = cdom+'_'+cname;
+    \$("#LC_choose_adhoc").empty();
+    var pickedaction = \$('input[name=phase]:checked', '#LCcoursepicker').val();
+    if (pickedaction == 'adhocrole') {
+        var http = new XMLHttpRequest();
+        var url = "/adm/pickcourse";
+        var params = "cid="+cdom+"_"+cname+"&context=adhoc";
+        http.open("POST", url, true);
+        http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+        http.onreadystatechange = function() {
+            if (http.readyState == 4 && http.status == 200) {
+                var data = \$.parseJSON(http.responseText);
+                var len = data.roles.length;
+                if (len == '' || len == null || len == 0) {
+                    alert('$jslt{none}');
+                } else {
+                    if (len == 1) {
+                        \$( '[name="adhocrole"]' )[0].value = data.roles[0].name;
+                        document.courselist.submit();
+                    } else {
+                        var str = '';
+                        \$("#LC_choose_adhoc").empty();
+                        for (var i=0; i<data.roles.length; i++) {
+                            \$("<label><input type='radio' value='"+data.roles[i].name+"' name='LC_get_role' id='LC_get_role_"+i+"' />"+data.roles[i].desc+"</label><span>&nbsp;&nbsp;</span>")
+                            .appendTo("#LC_choose_adhoc");
+                        }
+                        \$( "#LC_adhocrole_chooser" ).toggle( true );
+                        \$( "#LC_get_role_0").prop("checked", true);
+                        \$( "#LC_adhocrole_chooser" ).dialog({ autoOpen: false });
+                        \$( "#LC_adhocrole_chooser" ).dialog("open");
+                        \$( "#LC_adhocrole_chooser" ).dialog({
+                            height: 400,
+                            width: 500,
+                            modal: true,
+                            resizable: false,
+                            buttons: [
+                                  {
+                                   text: "$jslt{'ok'}",
+                                   click: function() {
+                                            var rolename = \$('input[name=LC_get_role]:checked', '#LChelpdeskpicker').val();
+                                            \$( '[name="adhocrole"]' )[0].value = rolename;
+                                            document.courselist.submit();
+                                        }
+                                  },
+                                  {
+                                   text: "$jslt{'exit'}",
+                                   click: function() {
+                                        \$("#LC_adhocrole_chooser").dialog( "close" );
+                                       }
+                                  }
+                            ],
+                        });
+                        \$( "#LC_adhocrole_chooser" ).find( "form" ).on( "submit", function( event ) {
+                            event.preventDefault();
+                            var rolename = \$('input[name=LC_get_role]:checked', '#LChelpdeskpicker').val()
+                            \$( '[name="adhocrole"]' )[0].value = rolename;
+                            document.courselist.submit();
+                            \$("#LC_adhocrole_chooser").dialog( "close" );
+                        });
+                    }
+                }
+            }
+        }
+        http.send(params);
+    } else {
+        document.courselist.submit();
+    }
+    return;
+}
+// ]]>
+</script>
+
+<div id="LC_adhocrole_chooser" title="$lt{'title'}" style="display:none">
+  <p>$lt{'preamble'}</p>
+  <form name="LChelpdeskadhoc" id="LChelpdeskpicker" action="">
+    <div id="LC_choose_adhoc">
+    </div>
+    <input type="hidden" name="adhocrole" id="LCadhocrole" value="" />
+    <input type="submit" tabindex="-1" style="position:absolute; top:-1000px" />
+  </form>
+  <p>$lt{'cancel'}</p>
+</div>
+END
+    } elsif ($permission->{'adhocrole'} eq 'coord') {
+        $r->print(<<"END");
+<script type="text/javascript">
+// <![CDATA[
+
+function gochoose(cname,cdom,cdesc) {
+    document.courselist.pickedcourse.value = cdom+'_'+cname;
+    document.courselist.submit();
+    return;
+}
+
+// ]]>
+</script>
+END
+    }
+
+# Criteria for course search
+    my ($filterlist,$filter) = &get_filters();
     my $action = '/adm/modifycourse';
     my $dctitle = &Apache::lonnet::plaintext('dc');
-    my $numtitles;
-    $r->print(&Apache::lonpickcourse::js_changer());
+    my ($numtitles,@codetitles);
+    $r->print(&Apache::loncommon::js_changer());
     $r->print(&mt('Revise your search criteria for this domain').' ('.$domdesc.').<br />');
-    $r->print(&Apache::lonpickcourse::build_filters($filterlist,$type,
-                                       undef,undef,\%filter,$action,\$numtitles));
-    $filter{'domainfilter'} = $dom;
-    my %courses = &Apache::lonpickcourse::search_courses($r,$type,0,
-                                                         \%filter,$numtitles);
+    $r->print(&Apache::loncommon::build_filters($filterlist,$type,undef,undef,$filter,$action,
+                                                \$numtitles,'modifycourse',undef,undef,undef,
+                                                \@codetitles,$dom,$env{'form.form'}));
+    my %courses = &Apache::loncommon::search_courses($dom,$type,$filter,$numtitles,
+                                                     undef,undef,undef,\@codetitles);
     &Apache::lonpickcourse::display_matched_courses($r,$type,0,$action,undef,undef,undef,
-                                                    %courses);
+                                                    $dom,undef,%courses);
     return;
 }
 
+sub get_filters {
+    my ($dom) = @_;
+    my @filterlist = ('descriptfilter','instcodefilter','ownerfilter',
+                      'ownerdomfilter','coursefilter','sincefilter');
+    # created filter
+    my $loncaparev = &Apache::lonnet::get_server_loncaparev($dom);
+    if ($loncaparev ne 'unknown_cmd') {
+        push(@filterlist,'createdfilter');
+    }
+    my %filter;
+    foreach my $item (@filterlist) {
+        $filter{$item} = $env{'form.'.$item};
+    }
+    return (\@filterlist,\%filter);
+}
+
 sub print_modification_menu {
-    my ($r,$cdesc,$domdesc,$dom,$type) = @_;
+    my ($r,$cdesc,$domdesc,$dom,$type,$cid,$coursehash,$permission) = @_;
     &print_header($r,$type);
-    my ($ccrole,$setquota_text,$setparams_text,$cat_text);
+    my ($ccrole,$categorytitle,$setquota_text,$setuploadquota_text,$cdom,$cnum,
+        $extendedtype);
+    if (ref($coursehash) eq 'HASH') {
+        $cdom = $coursehash->{'domain'};
+        $cnum = $coursehash->{'num'};
+    } else {
+         ($cdom,$cnum) = split(/_/,$cid);
+    }
     if ($type eq 'Community') {
         $ccrole = 'co';
     } else {
         $ccrole = 'cc';
-    } 
-    my $action = '/adm/modifycourse';
-    if ($type eq 'Community') {
-        $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a community.');
-        $setparams_text = 'View/Modify community owner';
-        $cat_text = 'View/Modify catalog settings for community';
-    } else {
-        $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a course.');
-        $setparams_text = 'View/Modify course owner, institutional code, and default authentication';
-        $cat_text = 'View/Modify catalog settings for course'; 
     }
-    my @menu =
-        (
-          { text => $setparams_text,
-             phase => 'setparms',
-          },
-          { text  => 'View/Modify quota for group portfolio files',
-            phase => 'setquota',
-          }
-    );
-    my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
-    my @additional_params = &catalog_settable($domconf{'coursecategories'},$type);
-    if (@additional_params > 0) {
-        push (@menu, { text => $cat_text,
-                       phase => 'catsettings',
-                     });
-    }
-    unless ($type eq 'Community') {
-        push(@menu,
-           { text  => 'Display current settings for automated enrollment',
-            phase => 'viewparms',
-           }
-        );
-    }
-    my $menu_html = '<h3>'.&mt('View/Modify settings for: ').
-                    ' <span class="LC_nobreak">'.$cdesc.'</span></h3>'."\n";
-    if ($type eq 'Community') {
-        $menu_html .= &mt('Although almost all community settings can be modified by a Coordinator, the following may only be set or modified by a Domain Coordinator:');
-    } else {
-        $menu_html .= &mt('Although almost all course settings can be modified by a Course Coordinator, the following may only be set or modified by a Domain Coordinator:');
+    my %linktext;
+    if ($permission->{'setparms'} eq 'edit') {
+        %linktext = (
+                      'setquota'      => 'View/Modify quotas for group portfolio files, and for uploaded content',
+                      'setanon'       => 'View/Modify responders threshold for anonymous survey submissions display',
+                      'selfenroll'    => 'View/Modify Self-Enrollment configuration',
+                      'setpostsubmit' => 'View/Modify submit button behavior, post-submission',
+                      'setltiauth'    => 'View/Modify re-authentication requirement for LTI launch of deep-linked item',
+                      'setexttool'    => 'View/Modify External Tools permissions',
+                      'setcrsauthor'  => 'View/Modify In-course Authoring permissions',
+                      'setcrseditors' => 'View/Modify permitted course resource editors',
+                    );
+    } else {
+        %linktext = (
+                      'setquota'      => 'View quotas for group portfolio files, and for uploaded content',
+                      'setanon'       => 'View responders threshold for anonymous survey submissions display',
+                      'selfenroll'    => 'View Self-Enrollment configuration',
+                      'setpostsubmit' => 'View submit button behavior, post-submission',
+                      'setltiauth'    => 'View re-authentication requirement for LTI launch of deep-linked item',
+                      'setexttool'    => 'View External Tools permissions',
+                      'setcrsauthor'  => 'View In-course Authoring permissions',
+                      'setcrseditors' => 'View permitted course resource editors',
+                    );
     }
-    $menu_html .= '<ul>';
     if ($type eq 'Community') {
-        $menu_html .= '<li>'.&mt('Community owner (permitted to assign Coordinator roles in the community).').'</li>';
+        if ($permission->{'setparms'} eq 'edit') {
+            $categorytitle = 'View/Modify Community Settings';
+            $linktext{'setparms'} = 'View/Modify community owner, self-enrollment and table lifetime';
+            $linktext{'catsettings'} = 'View/Modify catalog settings for community';
+        } else {
+            $categorytitle = 'View Community Settings';
+            $linktext{'setparms'} = 'View community owner, self-enrollment and table lifetime';
+            $linktext{'catsettings'} = 'View catalog settings for community';
+        }
+        $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a community.');
+        $setuploadquota_text = &mt('Disk space allocated for storage of content uploaded directly to a community via Content Editor.');
     } else {
-        $menu_html .=  '<li>'.&mt('Course owner (permitted to assign Course Coordinator roles in the course).').'</li>'.
-                       '<li>'.&mt("Institutional code and default authentication (both required for auto-enrollment of students from institutional datafeeds).").'</li>';
-    }
-    $menu_html .= '<li>'.$setquota_text.'</li>'."\n";
-    foreach my $item (@additional_params) {
-        if ($type eq 'Community') {
-            if ($item eq 'togglecats') {
-                $menu_html .= '  <li>'.&mt('Hiding/unhiding a community from the catalog (although can be [_1]configured[_2] to be modifiable by a Coordinator in community context).','<a href="/adm/domainprefs?actions=coursecategories&phase=display">','</a>').'</li>'."\n";
-            } elsif ($item eq 'categorize') {
-                $menu_html .= '  <li>'.&mt('Manual cataloging of a community (although can be [_1]configured[_2] to be modifiable by a Coordinator in community context).','<a href="/adm/domainprefs?actions=coursecategories&phase=display">','</a>').'</li>'."\n";
+        if ($permission->{'setparms'} eq 'edit') {
+            $categorytitle = 'View/Modify Course Settings';
+            $linktext{'catsettings'} = 'View/Modify catalog settings for course';
+            if (($type ne 'Placement') && (&showcredits($dom))) {
+                $linktext{'setparms'} = 'View/Modify course owner, institutional code, default authentication, credits, self-enrollment and table lifetime';
+            } else {
+                $linktext{'setparms'} = 'View/Modify course owner, institutional code, default authentication, self-enrollment and table lifetime';
             }
         } else {
-            if ($item eq 'togglecats') {
-                $menu_html .= '  <li>'.&mt('Hiding/unhiding a course from the course catalog (although can be [_1]configured[_2] to be modifiable by a Course Coordinator in course context).','<a href="/adm/domainprefs?actions=coursecategories&phase=display">','</a>').'</li>'."\n";
-            } elsif ($item eq 'categorize') {
-                $menu_html .= '  <li>'.&mt('Manual cataloging of a course (although can be [_1]configured[_2] to be modifiable by a Course Coordinator in course context).','<a href="/adm/domainprefs?actions=coursecategories&phase=display">','</a>').'</li>'."\n";
+            $categorytitle = 'View Course Settings';
+            $linktext{'catsettings'} = 'View catalog settings for course';
+            if (($type ne 'Placement') && (&showcredits($dom))) {
+                $linktext{'setparms'} = 'View course owner, institutional code, default authentication, credits, self-enrollment and table lifetime';
+            } else {
+                $linktext{'setparms'} = 'View course owner, institutional code, default authentication, self-enrollment and table lifetime';
             }
         }
+        $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a course.');
+        $setuploadquota_text = &mt('Disk space allocated for storage of content uploaded directly to a course via Content Editor.');
+        my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.textbook'],
+                                            $cdom,$cnum);
+        $extendedtype = ucfirst(&Apache::lonuserutils::get_extended_type($cdom,$cnum,$type,\%settings));
+    }
+    my $anon_text = &mt('Responder threshold required to display anonymous survey submissions.');
+    my $postsubmit_text = &mt('Override defaults for submit button behavior post-submission for this specific course.');
+    my $mysqltables_text = &mt('Override default for lifetime of "temporary" MySQL tables containing student performance data.');
+    my $ltiauth_text = &mt('Override default for requirement for re-authentication for LTI-limited launch of deep-linked item.');
+    my $exttool_text = &mt('Override default permissions for external tools use for this specific course.');
+    $linktext{'viewparms'} = 'Display current settings for automated enrollment';
+
+    my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
+    my @additional_params = &catalog_settable($domconf{'coursecategories'},$type);
+
+    sub manage_selfenrollment {
+        my ($cdom,$cnum,$type,$coursehash,$permission) = @_;
+        if ($permission->{'selfenroll'}) {
+            my ($managed_by_cc,$managed_by_dc) = &Apache::lonuserutils::selfenrollment_administration($cdom,$cnum,$type,$coursehash);
+            if (ref($managed_by_dc) eq 'ARRAY') {
+                if (@{$managed_by_dc}) {
+                    return 1;
+                }
+            }
+        }
+        return 0;
     }
-    $menu_html .= ' </ul>
-<form name="menu" method="post" action="'.$action.'" />'."\n".
-    &hidden_form_elements();
-    foreach my $menu_item (@menu) {
-        $menu_html.='<h3>';
-        $menu_html.=
-                qq|<a href="javascript:changePage(document.menu,'$menu_item->{'phase'}')">|;
-        $menu_html.= &mt($menu_item->{'text'}).'</a>';
-        $menu_html.='</h3>';
+
+    sub phaseurl {
+        my $phase = shift;
+        return "javascript:changePage(document.menu,'$phase')"
     }
-    
-    $r->print($menu_html);
+    my @menu =
+        ({  categorytitle => $categorytitle,
+        items => [
+            {
+                linktext => $linktext{'setparms'},
+                url => &phaseurl('setparms'),
+                permission => $permission->{'setparms'},
+                #help => '',
+                icon => 'crsconf.png',
+                linktitle => ''
+            },
+            {
+                linktext => $linktext{'setquota'},
+                url => &phaseurl('setquota'),
+                permission => $permission->{'setquota'},
+                #help => '',
+                icon => 'groupportfolioquota.png',
+                linktitle => ''
+            },
+            {
+                linktext => $linktext{'setanon'},
+                url => &phaseurl('setanon'),
+                permission => $permission->{'setanon'},
+                #help => '',
+                icon => 'anonsurveythreshold.png',
+                linktitle => ''
+            },
+            {
+                linktext => $linktext{'catsettings'},
+                url => &phaseurl('catsettings'),
+                permission => (($permission->{'catsettings'}) && (@additional_params > 0)),
+                #help => '',
+                icon => 'ccatconf.png',
+                linktitle => ''
+            },
+            {
+                linktext => $linktext{'viewparms'},
+                url => &phaseurl('viewparms'),
+                permission => ($permission->{'viewparms'} && ($type ne 'Community') && ($type ne 'Placement')),
+                #help => '',
+                icon => 'roles.png',
+                linktitle => ''
+            },
+            {
+                linktext => $linktext{'selfenroll'},
+                icon => 'self_enroll.png',
+                #help => 'Course_Self_Enrollment',
+                url => &phaseurl('selfenroll'),
+                permission => &manage_selfenrollment($cdom,$cnum,$type,$coursehash,$permission),
+                linktitle => 'Configure user self-enrollment.',
+            },
+            {
+                linktext => $linktext{'setpostsubmit'},
+                icon => 'emblem-readonly.png',
+                #help => '',
+                url => &phaseurl('setpostsubmit'),
+                permission => $permission->{'setpostsubmit'},
+                linktitle => '',
+            },
+            {
+                linktext => $linktext{'setltiauth'},
+                icon => 'system-lock-screen.png',
+                #help => '',
+                url => &phaseurl('setltiauth'),
+                permission => $permission->{'setltiauth'},
+                linktitle => '',
+            },
+            {
+                linktext => $linktext{'setexttool'},
+                icon => 'exttool.png',
+                #help => '',
+                url => &phaseurl('setexttool'),
+                permission => $permission->{'setexttool'},
+                linktitle => '',
+            },
+            {
+                linktext => $linktext{'setcrsauthor'},
+                icon => 'crsauthor.png',
+                #help => '',
+                url => &phaseurl('setcrsauthor'),
+                permission => $permission->{'setcrsauthor'},
+                linktitle => '',
+            },
+            {
+                linktext => $linktext{'setcrseditors'},
+                icon => 'crseditors.png',
+                #help => '',
+                url => &phaseurl('setcrseditors'),
+                permission => $permission->{'setcrseditors'},
+                linktitle => '',
+            },
+        ]
+        },
+        );
+
+    $r->print(
+        '<h3>'
+       .&mt($type).': <span class="LC_nobreak">'.$cdesc.'</span>'
+       .'</h3>'."\n");
+    if ($extendedtype) {
+        $r->print('<h4>'.&mt('Type').': '.&mt("$extendedtype $type").'</h4>');
+    }
+    $r->print(
+        '<form name="menu" method="post" action="/adm/modifycourse">'
+       ."\n"
+       .&hidden_form_elements()
+       .&Apache::lonhtmlcommon::generate_menu(@menu)
+       .'</form>');
     return;
 }
 
-sub print_ccrole_selected {
-    my ($r,$type) = @_;
+sub print_adhocrole_selected {
+    my ($r,$type,$permission) = @_;
     &print_header($r,$type);
     my ($cdom,$cnum) = split(/_/,$env{'form.pickedcourse'});
-    $r->print('<form name="ccrole" method="post" action="/adm/roles">
-<input type="hidden" name="selectrole" value="1" />
-<input type="hidden" name="newrole" value="cc./'.$cdom.'/'.$cnum.'" />
+    my ($newrole,$selectrole);
+    if ($permission->{'adhocrole'} eq 'coord') {
+        if ($type eq 'Community') {
+            $newrole = "co./$cdom/$cnum";
+        } else {
+            $newrole = "cc./$cdom/$cnum";
+        }
+        $selectrole = 1;
+    } elsif ($permission->{'adhocrole'} eq 'custom') {
+        my ($okroles,$description) = &Apache::lonnet::get_my_adhocroles($env{'form.pickedcourse'},1);
+        if (ref($okroles) eq 'ARRAY') {
+            my $possrole = $env{'form.adhocrole'};
+            if (($possrole ne '') && (grep(/^\Q$possrole\E$/,@{$okroles}))) {
+                my $confname = &Apache::lonnet::get_domainconfiguser($cdom);
+                $newrole = "cr/$cdom/$confname/$possrole./$cdom/$cnum";
+                $selectrole = 1;
+            }
+        }
+    }
+    if ($selectrole) {
+        $r->print('<form name="adhocrole" method="post" action="/adm/roles">
+<input type="hidden" name="selectrole" value="'.$selectrole.'" />
+<input type="hidden" name="newrole" value="'.$newrole.'" />
 </form>');
+    } else {
+        $r->print('<form name="ccrole" method="post" action="/adm/modifycourse">'.
+                  '</form>');
+    }
+    return;
 }
 
 sub print_settings_display {
-    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my ($r,$cdom,$cnum,$cdesc,$type,$permission) = @_;
     my %enrollvar = &get_enrollment_settings($cdom,$cnum);
     my %longtype = &course_settings_descrip($type);
     my %lt = &Apache::lonlocal::texthash(
@@ -318,7 +674,7 @@ sub print_settings_display {
     }
     my $cctitle = &Apache::lonnet::plaintext($ccrole,$type);
     my $dctitle = &Apache::lonnet::plaintext('dc');
-    my @modifiable_params = &get_dc_settable($type);
+    my @modifiable_params = &get_dc_settable($type,$cdom);
     my ($internals,$accessdates) = &autoenroll_keys();
     my @items;
     if ((ref($internals) eq 'ARRAY') && (ref($accessdates) eq 'ARRAY')) {
@@ -331,11 +687,36 @@ sub print_settings_display {
                      "<th>$lt{'dcon'}</th>\n".
                      &Apache::loncommon::end_data_table_header_row()."\n";
     foreach my $item (@items) {
+        my $shown = $enrollvar{$item};
+        if ($item eq 'crosslistings') {
+            my (@xlists,@lcsecs);
+            foreach my $entry (split(/,/,$enrollvar{$item})) {
+                my ($xlist,$lc_sec) = split(/:/,$entry);
+                push(@xlists,$xlist);
+                push(@lcsecs,$lc_sec);
+            }
+            if (@xlists) {
+                my $crskey = $cnum.':'.$enrollvar{'coursecode'};
+                my %reformatted =
+                    &Apache::lonnet::auto_instsec_reformat($cdom,'declutter',
+                                                           {$crskey => \@xlists});
+                if (ref($reformatted{$crskey}) eq 'ARRAY') {
+                    my @show;
+                    my @xlcodes = @{$reformatted{$crskey}};
+                    for (my $i=0; $i<@xlcodes; $i++) {
+                        push(@show,$xlcodes[$i].':'.$lcsecs[$i]);
+                    }
+                    if (@show) {
+                        $shown = join(',',@show);
+                    }
+                }
+            }
+        }
         $disp_table .= &Apache::loncommon::start_data_table_row()."\n".
                        "<td><b>$longtype{$item}</b></td>\n".
-                       "<td>$enrollvar{$item}</td>\n";
+                       "<td>$shown</td>\n";
         if (grep(/^\Q$item\E$/,@modifiable_params)) {
-            $disp_table .= '<td align="right">'.&mt('Yes').'</td>'."\n"; 
+            $disp_table .= '<td align="right">'.&mt('Yes').'</td>'."\n";
         } else {
             $disp_table .= '<td align="right">'.&mt('No').'</td>'."\n";
         }
@@ -343,58 +724,270 @@ sub print_settings_display {
     }
     $disp_table .= &Apache::loncommon::end_data_table()."\n";
     &print_header($r,$type);
-    my $newrole = $ccrole.'./'.$cdom.'/'.$cnum;
-    my $escuri = &HTML::Entities::encode('/adm/roles?selectrole=1&'.$newrole.
-                                         '=1&destinationurl=/adm/populate','&<>"'); 
-    $r->print('<h3>'.&mt('Current automated enrollment settings for:').
-              ' <span class="LC_nobreak">'.$cdesc.'</span></h3>'.
+    my ($enroll_link_start,$enroll_link_end,$setparms_link_start,$setparms_link_end);
+    if (&Apache::lonnet::allowed('ccc',$cdom)) {
+        my $newrole = $ccrole.'./'.$cdom.'/'.$cnum;
+        my $escuri = &HTML::Entities::encode('/adm/roles?selectrole=1&'.$newrole.
+                                             '=1&destinationurl=/adm/populate','&<>"');
+        $enroll_link_start = '<a href="'.$escuri.'">';
+        $enroll_link_end = '</a>';
+    }
+    if ($permission->{'setparms'}) {
+        $setparms_link_start = '<a href="javascript:changePage(document.viewparms,'."'setparms'".');">';
+        $setparms_link_end = '</a>';
+    }
+    $r->print('<h3>'.&mt('Current automated enrollment settings').'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
               '<form action="/adm/modifycourse" method="post" name="viewparms">'."\n".
-              '<p>'.$lt{'cose'}.'<ul>'.
-              '<li>'.&mt('Settings modifiable by a [_1] via the [_2]Automated Enrollment Manager[_3] in a course.',$cctitle,'<a href="'.$escuri.'">','</a>').'</li>'.
-              '<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, and default authentication[_3].',$dctitle,'<a href="javascript:changePage(document.viewparms,'."'setparms'".');">','</a>')."\n".
-              '</li></ul></p>'.
-              '<p>'.$lt{'cour'}.'</p><p>'.$disp_table.'</p><p>'.
-              '<a href="javascript:changePage(document.viewparms,'."'menu'".')">'.$lt{'back'}.'</a>'."\n".
-              &hidden_form_elements().
-              '</p></form>'
-     );
+              '<p>'.$lt{'cose'}.'</p><ul>'.
+              '<li>'.&mt('Settings modifiable by a [_1] via the [_2]Automated Enrollment Manager[_3] in a course.',
+                         $cctitle,$enroll_link_start,$enroll_link_end).'</li>');
+    if (&showcredits($cdom)) {
+        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, default authentication, credits, self-enrollment and table lifetime[_3].',$dctitle,$setparms_link_start,$setparms_link_end)."\n");
+    } else {
+        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, default authentication, self-enrollment and table lifetime[_3].',$dctitle,$setparms_link_start,$setparms_link_end)."\n");
+    }
+    $r->print('</li></ul><p>'.
+              $lt{'cour'}.'</p>'.$disp_table.'<p>'."\n".
+              &hidden_form_elements().'</p>'.
+              '</form>'."\n");
+    my @actions =
+        ('<a href="javascript:changePage(document.viewparms,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
 }
 
 sub print_setquota {
-    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my ($r,$cdom,$cnum,$cdesc,$type,$readonly) = @_;
+    my $lctype = lc($type);
+    my $headline = '<h3>'.&mt("Set disk space quotas for $lctype").'</h3>'."\n".
+                   '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n";
     my %lt = &Apache::lonlocal::texthash(
-                'cquo' => 'Disk space for storage of group portfolio files for:',
-                'gpqu' => 'Course portfolio files disk space',
+                'gpqu' => 'Disk space for storage of group portfolio files',
+                'upqu' => 'Disk space for storage of content directly uploaded to course via Content Editor',
                 'modi' => 'Save',
                 'back' => 'Pick another action',
     );
-    if ($type eq 'Community') {
-        $lt{'gpqu'} = &mt('Community portfolio files disk space');
-    }
-    my %settings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
+    my %staticdefaults = (
+                           coursequota   => 20,
+                           uploadquota   => 500,
+                         );
+    my %settings = &Apache::lonnet::get('environment',['internal.coursequota','internal.uploadquota','internal.coursecode'],
+                                        $cdom,$cnum);
     my $coursequota = $settings{'internal.coursequota'};
-    if ($coursequota eq '') {
-        $coursequota = 20;
+    my $uploadquota = $settings{'internal.uploadquota'};
+    if (($uploadquota eq '') || ($coursequota eq '')) {
+        my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
+        my $quotatype = &Apache::lonuserutils::get_extended_type($cdom,$cnum,$type,\%settings);
+        if ($uploadquota eq '') {
+            $uploadquota = $domdefs{$quotatype.'quota'};
+            if ($uploadquota eq '') {
+                $uploadquota = $staticdefaults{'uploadquota'};
+            }
+        }
+        if ($coursequota eq '') {
+            $coursequota = $domdefs{$quotatype.'coursequota'};
+            if ($coursequota eq '') {
+                $coursequota = $staticdefaults{'coursequota'};
+            }
+        }
     }
     &print_header($r,$type);
     my $hidden_elements = &hidden_form_elements();
-    my $helpitem = &Apache::loncommon::help_open_topic('Modify_Course_Quota');
+    my $porthelpitem = &Apache::loncommon::help_open_topic('Modify_Course_Quota');
+    my $uploadhelpitem = &Apache::loncommon::help_open_topic('Modify_Course_Upload_Quota');
+    my ($disabled,$submit);
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
+    } else {
+        $submit = '<input type="submit" value="'.$lt{'modi'}.'" />';
+    }
     $r->print(<<ENDDOCUMENT);
-<form action="/adm/modifycourse" method="post" name="setquota">
-<h3>$lt{'cquo'} <span class="LC_nobreak">$cdesc</span></h3>
+$headline
+<form action="/adm/modifycourse" method="post" name="setquota" onsubmit="return verify_quota();">
+<p><span class="LC_nobreak">
+$porthelpitem $lt{'gpqu'}: <input type="text" size="4" name="coursequota" value="$coursequota" $disabled /> MB
+</span>
+<br />
+<span class="LC_nobreak">
+$uploadhelpitem $lt{'upqu'}: <input type="text" size="4" name="uploadquota" value="$uploadquota" $disabled /> MB
+</span>
+</p>
 <p>
-$helpitem $lt{'gpqu'}: <input type="text" size="4" name="coursequota" value="$coursequota" /> Mb &nbsp;&nbsp;&nbsp;&nbsp;
-<input type="button" onClick="javascript:verify_quota(this.form)" value="$lt{'modi'}" />
+$submit
 </p>
 $hidden_elements
-<a href="javascript:changePage(document.setquota,'menu')">$lt{'back'}</a>
 </form>
 ENDDOCUMENT
+    my @actions =
+        ('<a href="javascript:changePage(document.setquota,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub print_set_anonsurvey_threshold {
+    my ($r,$cdom,$cnum,$cdesc,$type,$readonly) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+                'resp' => 'Responder threshold for anonymous survey submissions display:',
+                'sufa' => 'Anonymous survey submissions displayed when responders exceeds',
+                'modi' => 'Save',
+                'back' => 'Pick another action',
+    );
+    my %settings = &Apache::lonnet::get('environment',['internal.anonsurvey_threshold'],$cdom,$cnum);
+    my $threshold = $settings{'internal.anonsurvey_threshold'};
+    if ($threshold eq '') {
+        my %domconfig =
+            &Apache::lonnet::get_dom('configuration',['coursedefaults'],$cdom);
+        if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+            $threshold = $domconfig{'coursedefaults'}{'anonsurvey_threshold'};
+            if ($threshold eq '') {
+                $threshold = 10;
+            }
+        } else {
+            $threshold = 10;
+        }
+    }
+    &print_header($r,$type);
+    my $hidden_elements = &hidden_form_elements();
+    my ($disabled,$submit);
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
+    } else {
+        $submit = '<input type="submit" value="'.$lt{'modi'}.'" />';
+    }
+    my $helpitem = &Apache::loncommon::help_open_topic('Modify_Anonsurvey_Threshold');
+    my $showtype = &mt($type);
+    $r->print(<<ENDDOCUMENT);
+<h3>$lt{'resp'}</h3>
+<h4><span class="LC_nobreak">$showtype: $cdesc</span></h4>
+<form action="/adm/modifycourse" method="post" name="setanon" onsubmit="return verify_anon_threshold();">
+<p>
+$helpitem $lt{'sufa'}: <input type="text" size="4" name="threshold" value="$threshold" $disabled /> &nbsp;&nbsp;&nbsp;&nbsp;</p>
+$submit
+$hidden_elements
+</form>
+ENDDOCUMENT
+    my @actions =
+        ('<a href="javascript:changePage(document.setanon,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br /><br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
     return;
 }
 
+sub print_postsubmit_config {
+    my ($r,$cdom,$cnum,$cdesc,$type,$readonly) = @_;
+    my %lt = &Apache::lonlocal::texthash (
+                'conf' => 'Configure submit button behavior after student makes a submission',
+                'disa' => 'Disable submit button/keypress following student submission',
+                'nums' => 'Number of seconds submit is disabled',
+                'modi' => 'Save',
+                'back' => 'Pick another action',
+                'yes'  => 'Yes',
+                'no'   => 'No',
+    );
+    my %settings = &Apache::lonnet::get('environment',['internal.postsubmit','internal.postsubtimeout',
+                                                       'internal.coursecode','internal.textbook'],$cdom,$cnum);
+    my $postsubmit = $settings{'internal.postsubmit'};
+    if ($postsubmit eq '') {
+        my %domconfig =
+            &Apache::lonnet::get_dom('configuration',['coursedefaults'],$cdom);
+        $postsubmit = 1;
+        if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+            if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
+                if ($domconfig{'coursedefaults'}{'postsubmit'}{'client'} eq 'off') {
+                    $postsubmit = 0;
+                }
+            }
+        }
+    }
+    my ($checkedon,$checkedoff,$display);
+    if ($postsubmit) {
+        $checkedon = 'checked="checked"';
+        $display = 'block';
+    } else {
+        $checkedoff = 'checked="checked"';
+        $display = 'none';
+    }
+    my $postsubtimeout = $settings{'internal.postsubtimeout'};
+    my $default = &domain_postsubtimeout($cdom,$type,\%settings);
+    my $zero = &mt('(Enter 0 to disable until next page reload, or leave blank to use the domain default: [_1])',$default);
+    if ($postsubtimeout eq '') {
+        $postsubtimeout = $default;
+    }
+    &print_header($r,$type);
+    my $hidden_elements = &hidden_form_elements();
+    my ($disabled,$submit);
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
+    } else {
+        $submit = '<input type="submit" value="'.$lt{'modi'}.'" />';
+    }
+    my $helpitem = &Apache::loncommon::help_open_topic('Modify_Postsubmit_Config');
+    my $showtype = &mt($type);
+    $r->print(<<ENDDOCUMENT);
+<h3>$lt{'conf'}</h3>
+<h4><span class="LC_nobreak">$showtype: $cdesc</span></h4>
+<form action="/adm/modifycourse" method="post" name="setpostsubmit" onsubmit="return verify_postsubmit();">
+<p>
+$helpitem $lt{'disa'}:
+<label><input type="radio" name="postsubmit" $checkedon onclick="togglePostsubmit('studentsubmission');" value="1" $disabled />
+$lt{'yes'}</label>&nbsp;&nbsp;
+<label><input type="radio" name="postsubmit" $checkedoff onclick="togglePostsubmit('studentsubmission');" value="0" $disabled />
+$lt{'no'}</label></p>
+<div id="studentsubmission" style="display: $display">
+$lt{'nums'} <input type="text" name="postsubtimeout" value="$postsubtimeout" $disabled /><br />
+$zero</div>
+<p>
+$submit
+</p>
+$hidden_elements
+</form>
+ENDDOCUMENT
+    my @actions =
+        ('<a href="javascript:changePage(document.setpostsubmit,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub domain_postsubtimeout {
+    my ($cdom,$type,$settings) = @_;
+    return unless (ref($settings) eq 'HASH');
+    my $lctype = &get_lctype($type,$settings);
+    my %domconfig =
+        &Apache::lonnet::get_dom('configuration',['coursedefaults'],$cdom);
+    my $postsubtimeout = 60;
+    if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+        if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
+            if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
+                if ($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$lctype} ne '') {
+                    $postsubtimeout = $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$lctype};
+                }
+            }
+        }
+    }
+    return $postsubtimeout;
+}
+
+sub get_lctype {
+    my ($type,$settings) = @_;
+    my $lctype = lc($type);
+    unless (($type eq 'Community') || ($type eq 'Placement')) {
+        $lctype = 'unofficial';
+        if (ref($settings) eq 'HASH') {
+            if ($settings->{'internal.coursecode'}) {
+                $lctype = 'official';
+            } elsif ($settings->{'internal.textbook'}) {
+                $lctype = 'textbook';
+            }
+        }
+    }
+    return $lctype;
+}
+
 sub print_catsettings {
-    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my ($r,$cdom,$cnum,$cdesc,$type,$readonly) = @_;
     &print_header($r,$type);
     my %lt = &Apache::lonlocal::texthash(
                                          'back'    => 'Pick another action',
@@ -410,52 +1003,76 @@ sub print_catsettings {
         $lt{'categ'} = &mt('Categorize Community');
         $lt{'assi'} = &mt('Assign one or more subcategories to this community.');
     }
-    $r->print('<form action="/adm/modifycourse" method="post" name="catsettings">'.
-              '<h3>'.$lt{'catset'}.' <span class="LC_nobreak">'.$cdesc.'</span></h3>');
+    $r->print('<h3>'.$lt{'catset'}.'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="catsettings">'."\n");
     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
     my @cat_params = &catalog_settable($domconf{'coursecategories'},$type);
     if (@cat_params > 0) {
-        my %currsettings = 
+        my $disabled;
+        if ($readonly) {
+            $disabled = ' disabled="disabled"';
+        }
+        my %currsettings =
             &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
         if (grep(/^togglecats$/,@cat_params)) {
             my $excludeon = '';
             my $excludeoff = ' checked="checked" ';
             if ($currsettings{'hidefromcat'} eq 'yes') {
                 $excludeon = $excludeoff;
-                $excludeoff = ''; 
+                $excludeoff = '';
             }
             $r->print('<br /><h4>'.$lt{'visi'}.'</h4>'.
+                      '<p>'.
                       $lt{'exclude'}.
-                      '&nbsp;<label><input name="hidefromcat" type="radio" value="yes" '.$excludeon.' />'.&mt('Yes').'</label>&nbsp;&nbsp;&nbsp;<label><input name="hidefromcat" type="radio" value="" '.$excludeoff.' />'.&mt('No').'</label><br /><p>');
+                      '&nbsp;<label><input name="hidefromcat" type="radio" value="yes" '.$excludeon.$disabled.' />'.&mt('Yes').'</label>&nbsp;&nbsp;&nbsp;<label><input name="hidefromcat" type="radio" value="" '.$excludeoff.$disabled.' />'.&mt('No').'</label></p><p>');
             if ($type eq 'Community') {
-                $r->print(&mt("If a community has been categorized using at least one of the categories defined for communities in the domain, it will be listed in the domain's publicly accessible Course/Community Catalog, unless excluded."));
+                $r->print(&mt("If a community has been categorized using at least one of the categories defined for communities in the domain, it will be listed in the domain's publicly accessible Course/Community Catalog, unless excluded.").'</p>');
+            } elsif ($type eq 'Placement') {
+                $r->print(&mt("If a placement test has been categorized using at least one of the categories defined for placement tests in the domain, it will be listed in the domain's publicly accessible Course/Community Catalog, unless excluded.").'</p>');
             } else {
-                $r->print(&mt("Unless excluded, a course will be listed in the domain's publicly accessible Course/Community Catalog, if at least one of the following applies").':<ul>'.
+                $r->print(&mt("Unless excluded, a course will be listed in the domain's publicly accessible Course/Community Catalog, if at least one of the following applies").':</p><ul>'.
                           '<li>'.&mt('Auto-cataloging is enabled and the course is assigned an institutional code.').'</li>'.
                           '<li>'.&mt('The course has been categorized using at least one of the course categories defined for the domain.').'</li></ul>');
             }
-            $r->print('</ul></p>');
         }
+        my $savebutton;
+        unless ($readonly) {
+            $savebutton = '<p><br /><input type="button" name="chgcatsettings" value="'.
+                          &mt('Save').'" onclick="javascript:changePage(document.catsettings,'.
+                          "'processcat'".');" /></p>';
+        }
+        my $shownsave;
         if (grep(/^categorize$/,@cat_params)) {
-            $r->print('<br /><h4>'.$lt{'categ'}.'</h4>');
+            my $categheader = '<br /><h4>'.$lt{'categ'}.'</h4>';
             if (ref($domconf{'coursecategories'}) eq 'HASH') {
                 my $cathash = $domconf{'coursecategories'}{'cats'};
                 if (ref($cathash) eq 'HASH') {
-                    $r->print($lt{'assi'}.'<br /><br />'.
+                    $r->print($categheader.
+                              '<p>'.$lt{'assi'}.'</p>'.
                               &Apache::loncommon::assign_categories_table($cathash,
-                                                     $currsettings{'categories'},$type));
+                                                     $currsettings{'categories'},$type,$disabled));
                 } else {
-                    $r->print(&mt('No categories defined for this domain'));
+                    $r->print($savebutton.$categheader.
+                              '<p>'.&mt('No categories defined for this domain.'));
+                    $shownsave = 1;
                 }
             } else {
-                $r->print(&mt('No categories defined for this domain'));
-            }
-            unless ($type eq 'Community') { 
-                $r->print('<p>'.&mt('If auto-cataloging based on institutional code is enabled in the domain, a course will continue to be listed in the catalog of official courses, in addition to receiving a listing under any manually assigned categor(ies).').'</p>');
+                $r->print($savebutton.$categheader.
+                          '<p>'.&mt('No categories defined for this domain.'));
+                $shownsave = 1;
+            }
+            if (($type eq 'Community') || ($type eq 'Placement')) {
+                $r->print('</p>');
+            } elsif ($shownsave) {
+                $r->print('<br />'.&mt('If auto-cataloging based on institutional code is enabled in the domain, a course will continue to be listed in the catalog of official courses.').'</p>');
+            } else {
+                $r->print('</p><p>'.&mt('If auto-cataloging based on institutional code is enabled in the domain, a course will continue to be listed in the catalog of official courses, in addition to receiving a listing under any manually assigned categor(ies).').'</p>');
             }
         }
-        $r->print('<p><input type="button" name="chgcatsettings" value="'.
-                  &mt('Save').'" onclick="javascript:changePage(document.catsettings,'."'processcat'".');" /></p>');
+        unless ($readonly || $shownsave) {
+            $r->print($savebutton);
+        }
     } else {
         $r->print('<span class="LC_warning">');
         if ($type eq 'Community') {
@@ -463,16 +1080,18 @@ sub print_catsettings {
         } else {
             $r->print(&mt('Catalog settings in this domain are set in course context via "Course Configuration".'));
         }
-        $r->print('</span><br /><br />'."\n".
-                  '<a href="javascript:changePage(document.catsettings,'."'menu'".');">'.
-                  $lt{'back'}.'</a>');
+        $r->print('</span>'."\n");
     }
     $r->print(&hidden_form_elements().'</form>'."\n");
+    my @actions =
+        ('<a href="javascript:changePage(document.catsettings,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
     return;
 }
 
 sub print_course_modification_page {
-    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my ($r,$cdom,$cnum,$cdesc,$crstype,$readonly) = @_;
     my %lt=&Apache::lonlocal::texthash(
             'actv' => "Active",
             'inac' => "Inactive",
@@ -482,17 +1101,32 @@ sub print_course_modification_page {
             'stus' => "Status",
             'nocc' => 'There is currently no owner set for this course.',
             'gobt' => "Save",
+            'sett' => 'Setting',
+            'domd' => 'Domain default',
+            'whom' => 'Who configures',
     );
-    my ($ownertable,$ccrole,$javascript_validations,$authenitems,$ccname);
+    my ($ownertable,$ccrole,$javascript_validations,$authenitems,$ccname,$disabled);
     my %enrollvar = &get_enrollment_settings($cdom,$cnum);
-    if ($type eq 'Community') {
+    my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.textbook',
+                                                       'internal.selfenrollmgrdc','internal.selfenrollmgrcc',
+                                                       'internal.mysqltables'],$cdom,$cnum);
+    my $type = &Apache::lonuserutils::get_extended_type($cdom,$cnum,$crstype,\%settings);
+    my @specific_managebydc = split(/,/,$settings{'internal.selfenrollmgrdc'});
+    my @specific_managebycc = split(/,/,$settings{'internal.selfenrollmgrcc'});
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom);
+    my %passwdconf = &Apache::lonnet::get_passwdconf($cdom);
+    my @default_managebydc = split(/,/,$domdefaults{$type.'selfenrolladmdc'});
+    if ($crstype eq 'Community') {
         $ccrole = 'co';
         $lt{'nocc'} = &mt('There is currently no owner set for this community.');
     } else {
         $ccrole ='cc';
-        ($javascript_validations,$authenitems) = &gather_authenitems($cdom,\%enrollvar);
+        ($javascript_validations,$authenitems) = &gather_authenitems($cdom,\%enrollvar,$readonly);
+    }
+    $ccname = &Apache::lonnet::plaintext($ccrole,$crstype);
+    if ($readonly) {
+       $disabled = ' disabled="disabled"';
     }
-    $ccname = &Apache::lonnet::plaintext($ccrole,$type);
     my %roleshash = &Apache::lonnet::get_my_roles($cnum,$cdom,'','',[$ccrole]);
     my (@local_ccs,%cc_status,%pname);
     foreach my $item (keys(%roleshash)) {
@@ -503,11 +1137,11 @@ sub print_course_modification_page {
             $cc_status{$uname.':'.$udom} = $lt{'actv'};
         }
     }
-    if (($enrollvar{'courseowner'} ne '') && 
+    if (($enrollvar{'courseowner'} ne '') &&
         (!grep(/^$enrollvar{'courseowner'}$/,@local_ccs))) {
         push(@local_ccs,$enrollvar{'courseowner'});
         my ($owneruname,$ownerdom) = split(/:/,$enrollvar{'courseowner'});
-        $pname{$enrollvar{'courseowner'}} = 
+        $pname{$enrollvar{'courseowner'}} =
                          &Apache::loncommon::plainname($owneruname,$ownerdom);
         my $active_cc = &Apache::loncommon::check_user_status($ownerdom,$owneruname,
                                                               $cdom,$cnum,$ccrole);
@@ -533,11 +1167,11 @@ sub print_course_modification_page {
         foreach my $cc (@local_ccs) {
             $ownertable .= &Apache::loncommon::start_data_table_row()."\n";
             if ($cc eq $enrollvar{'courseowner'}) {
-                  $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'" checked="checked" /></td>'."\n";
+                $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'" checked="checked"'.$disabled.' /></td>'."\n";
             } else {
-                $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'" /></td>'."\n";
+                $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'"'.$disabled.' /></td>'."\n";
             }
-            $ownertable .= 
+            $ownertable .=
                  '<td>'.$pname{$cc}.'</td>'."\n".
                  '<td>'.$cc.'</td>'."\n".
                  '<td>'.$cc_status{$cc}.' '.$ccname.'</td>'."\n".
@@ -545,56 +1179,444 @@ sub print_course_modification_page {
         }
         $ownertable .= &Apache::loncommon::end_data_table();
     }
-    &print_header($r,$type,$javascript_validations);
+    &print_header($r,$crstype,$javascript_validations);
     my $dctitle = &Apache::lonnet::plaintext('dc');
-    my $mainheader = &modifiable_only_title($type);
     my $hidden_elements = &hidden_form_elements();
-    $r->print('<form action="/adm/modifycourse" method="post" name="'.$env{'form.phase'}.'">'."\n".
-              '<h3>'.$mainheader.' <span class="LC_nobreak">'.$cdesc.'</span></h3><p>'.
+    my $showtype;
+    if (($type eq 'official') || ($type eq 'unofficial') || ($type eq 'textbook')) {
+        $showtype = ' ('.&mt($type).')';
+    }
+    $r->print('<h3>'.&modifiable_only_title($crstype).'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($crstype).': '.$cdesc.$showtype.'</span></h4><br />'."\n".
+              '<form action="/adm/modifycourse" method="post" name="'.$env{'form.phase'}.'">'."\n".
               &Apache::lonhtmlcommon::start_pick_box());
-    if ($type eq 'Community') {
+    if ($crstype eq 'Community') {
         $r->print(&Apache::lonhtmlcommon::row_title(
                   &Apache::loncommon::help_open_topic('Modify_Community_Owner').
-                  '&nbsp;'.&mt('Community Owner'))."\n");
+                  '&nbsp;'.&mt('Community Owner'))."\n".
+                  $ownertable."\n".&Apache::lonhtmlcommon::row_closure());
     } else {
         $r->print(&Apache::lonhtmlcommon::row_title(
                       &Apache::loncommon::help_open_topic('Modify_Course_Instcode').
                       '&nbsp;'.&mt('Course Code'))."\n".
-                  '<input type="text" size="10" name="coursecode" value="'.$enrollvar{'coursecode'}.'" />'.
-                  &Apache::lonhtmlcommon::row_closure().
-                  &Apache::lonhtmlcommon::row_title(
-                     &Apache::loncommon::help_open_topic('Modify_Course_Defaultauth').
-                     '&nbsp;'.&mt('Default Authentication method'))."\n".
+                  '<input type="text" size="15" name="coursecode" value="'.$enrollvar{'coursecode'}.'"'.$disabled.' />'.
+                  &Apache::lonhtmlcommon::row_closure());
+        if (($crstype eq 'Course') && (&showcredits($cdom))) {
+            $r->print(&Apache::lonhtmlcommon::row_title(
+                          &Apache::loncommon::help_open_topic('Modify_Course_Credithours').
+                          '&nbsp;'.&mt('Credits (students)'))."\n".
+                      '<input type="text" size="3" name="defaultcredits" value="'.$enrollvar{'defaultcredits'}.'"'.$disabled.' />'.
+                      &Apache::lonhtmlcommon::row_closure());
+        }
+        $r->print(&Apache::lonhtmlcommon::row_title(
+                      &Apache::loncommon::help_open_topic('Modify_Course_Defaultauth').
+                      '&nbsp;'.&mt('Default Authentication method'))."\n".
                   $authenitems."\n".
                   &Apache::lonhtmlcommon::row_closure().
                   &Apache::lonhtmlcommon::row_title(
                       &Apache::loncommon::help_open_topic('Modify_Course_Owner').
-                      '&nbsp;'.&mt('Course Owner'))."\n");
+                      '&nbsp;'.&mt('Course Owner'))."\n".
+                  $ownertable."\n".&Apache::lonhtmlcommon::row_closure());
+        if (($passwdconf{'crsownerchg'}) && ($type ne 'Placement')) {
+            my $checked;
+            if ($enrollvar{'nopasswdchg'}) {
+                $checked = ' checked="checked"';
+            }
+            $r->print(&Apache::lonhtmlcommon::row_title(
+                         &Apache::loncommon::help_open_topic('Modify_Course_Chgpasswd').
+                         '&nbsp;'.&mt('Changing passwords (internal)'))."\n".
+                         '<label><input type="checkbox" value="1" name="nopasswdchg"'.$checked.$disabled.' />'.
+                         &mt('Disable changing password for users with student role by course owner').'</label>'."\n".
+                         &Apache::lonhtmlcommon::row_closure());
+        }
     }
-    $r->print($ownertable."\n".&Apache::lonhtmlcommon::row_closure(1).
-              &Apache::lonhtmlcommon::end_pick_box().'</p><p>'.$hidden_elements.
-              '<input type="button" onclick="javascript:changePage(this.form,'."'processparms'".');');
+    my ($cctitle,$rolename,$currmanages,$ccchecked,$dcchecked,$defaultchecked);
+    my ($selfenrollrows,$selfenrolltitles) = &Apache::lonuserutils::get_selfenroll_titles();
     if ($type eq 'Community') {
-        $r->print('this.form.submit();"');
+        $cctitle = &mt('Community personnel');
+    } else {
+        $cctitle = &mt('Course personnel');
+    }
+
+    $r->print(&Apache::lonhtmlcommon::row_title(
+              &Apache::loncommon::help_open_topic('Modify_Course_Selfenrolladmin').
+                  '&nbsp;'.&mt('Self-enrollment configuration')).
+              &Apache::loncommon::start_data_table()."\n".
+              &Apache::loncommon::start_data_table_header_row()."\n".
+              '<th>'.$lt{'sett'}.'</th>'.
+              '<th>'.$lt{'domd'}.'</th>'.
+              '<th>'.$lt{'whom'}.'</th>'.
+              &Apache::loncommon::end_data_table_header_row()."\n");
+    my %optionname;
+    $optionname{''} = &mt('Use domain default');
+    $optionname{'0'} = $dctitle;
+    $optionname{'1'} = $cctitle;
+    foreach my $item (@{$selfenrollrows}) {
+        my %checked;
+        my $default = $cctitle;
+        if (grep(/^\Q$item\E$/,@default_managebydc)) {
+            $default = $dctitle;
+        }
+        if (grep(/^\Q$item\E$/,@specific_managebydc)) {
+            $checked{'0'} = ' checked="checked"';
+        } elsif (grep(/^\Q$item\E$/,@specific_managebycc)) {
+            $checked{'1'} = ' checked="checked"';
+        } else {
+            $checked{''} = ' checked="checked"';
+        }
+        $r->print(&Apache::loncommon::start_data_table_row()."\n".
+                 '<td>'.$selfenrolltitles->{$item}.'</td>'."\n".
+                 '<td>'.&mt('[_1] configures',$default).'</td>'."\n".
+                 '<td>');
+        foreach my $option ('','0','1') {
+            $r->print('<span class="LC_nobreak"><label>'.
+                      '<input type="radio" name="selfenrollmgr_'.$item.'" '.
+                      'value="'.$option.'"'.$checked{$option}.$disabled.' />'.
+                      $optionname{$option}.'</label></span><br />');
+        }
+        $r->print('</td>'."\n".
+                  &Apache::loncommon::end_data_table_row()."\n");
+    }
+    $r->print(&Apache::loncommon::end_data_table()."\n".
+              '<br />'.&Apache::lonhtmlcommon::row_closure().
+              &Apache::lonhtmlcommon::row_title(
+              &Apache::loncommon::help_open_topic('Modify_Course_Table_Lifetime').
+              '&nbsp;'.&mt('"Temporary" Tables Lifetime (s)'))."\n".
+              '<input type="text" size="10" name="mysqltables" value="'.$settings{'internal.mysqltables'}.'"'.$disabled.' />'.
+              &Apache::lonhtmlcommon::row_closure(1).
+              &Apache::lonhtmlcommon::end_pick_box().'<br />'.$hidden_elements);
+    unless ($readonly) {
+        $r->print('<input type="button" onclick="javascript:changePage(this.form,'."'processparms'".');');
+        if ($crstype eq 'Community') {
+            $r->print('this.form.submit();"');
+        } else {
+            $r->print('javascript:verify_message(this.form);"');
+        }
+        $r->print(' value="'.$lt{'gobt'}.'" />');
+    }
+    $r->print('</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.'.$env{'form.phase'}.','."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br /><br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub print_selfenrollconfig {
+    my ($r,$type,$cdesc,$coursehash,$readonly) = @_;
+    return unless(ref($coursehash) eq 'HASH');
+    my $cnum = $coursehash->{'num'};
+    my $cdom = $coursehash->{'domain'};
+    my %currsettings = &get_selfenroll_settings($coursehash);
+    &print_header($r,$type);
+    $r->print('<h3>'.&mt('Self-enrollment with a student role').'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n");
+    &Apache::loncreateuser::print_selfenroll_menu($r,'domain',$env{'form.pickedcourse'},
+                                                  $cdom,$cnum,\%currsettings,
+                                                  &hidden_form_elements(),$readonly);
+    my @actions =
+        ('<a href="javascript:changePage(document.selfenroll,'."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br /><br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub print_default_overrides {
+    my ($r,$cdom,$cnum,$cdesc,$type,$readonly,$item) = @_;
+    my (%titles,$checkeddom,$checkedcrs,$divsty,$currcrsval,$crsdefault,%crschecked,
+        $helpfile,$title,$crselements,@currcrseditors);
+    %titles = &default_overrides_titles($type);
+    my ($title,$domdefdisplay,$settings,$optiontext,$options) =
+        &default_overrides_common($item,$cdom,$cnum,$type,\%titles);
+    $checkeddom = ' checked="checked"';
+    $divsty = 'display:none';
+     
+    if ($item eq 'ltiauth') {
+        $helpfile = 'Modify_Course_LTI_Authen';
+        $crsdefault = 0;
+    } else {
+        if ($item eq 'exttool') {
+            $helpfile = 'Modify_Course_External_Tool';
+            $crsdefault = 'both';
+        } elsif ($item eq 'crsauthor') {
+            $helpfile = 'Modify_Course_Crsauthor';
+            $crsdefault = 1;
+        } elsif ($item eq 'crseditors') {
+            $helpfile = 'Modify_Course_Resource_Editors';
+            $crsdefault = 'edit,xml';
+        }
+    }
+    $currcrsval = $settings->{'internal.'.$item};
+    if ($currcrsval ne '') {
+        $checkedcrs = $checkeddom;
+        $checkeddom = '';
+        $divsty = 'display:inline-block';
+        if ($item eq 'crseditors') {
+            @currcrseditors = split(/,/,$currcrsval);
+        }        
+        foreach my $option (@{$options}) {
+            if ($item eq 'crseditors') {
+                if (grep(/^\Q$option\E$/,@currcrseditors)) {
+                    $crschecked{$option} = ' checked="checked"';
+                }
+            } elsif ($currcrsval eq $option) {
+                $crschecked{$option} = ' checked="checked"';
+            } else {
+                $crschecked{$option} = '';
+            }
+        }
+    } else {
+        if ($item eq 'crseditors') {
+            my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
+            @currcrseditors = split(/,/,$domdefs{'crseditors'});
+        } 
+        foreach my $option (@{$options}) {
+            if ($item eq 'crseditors') {
+                if (grep(/^\Q$option\E$/,@currcrseditors)) {
+                    $crschecked{$option} = ' checked="checked"';
+                }
+            } elsif ($crsdefault eq $option) {
+                $crschecked{$option} = ' checked="checked"';
+            } else {
+                $crschecked{$option} = '';
+            }
+        }
+    }
+    my ($disabled,$submit,$inputtype,$separator);
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
     } else {
-        $r->print('javascript:verify_message(this.form);"');
+        $submit = '<input type="button" onclick="javascript:changePage(this.form,'."'process${item}'".');" value="'.$titles{'modi'}.'" />';
     }
-    $r->print('value="'.$lt{'gobt'}.'" /></p></form>');
+    if ($item eq 'crseditors') {
+        $inputtype = 'checkbox';
+        $separator = '&nbsp;'x2;
+    } else {
+        $inputtype = 'radio';
+        $separator = '<br />';
+    }
+    foreach my $option (@{$options}) {
+        $crselements .= '<span class="LC_nobreak">'.
+                        '<label><input type="'.$inputtype.'" name="'.$item.'" value="'.$option.'"'.
+                        $crschecked{$option}.$disabled.' />'.$optiontext->{$option}.'</label>'.
+                        '</span>'.$separator."\n";
+    }
+    &print_header($r,$type);
+    my $hidden_elements = &hidden_form_elements();
+    my $helpitem = &Apache::loncommon::help_open_topic($helpfile);
+    my $showtype = &mt($type);
+    $r->print(<<ENDDOCUMENT);
+<h3>$helpitem $title</h3>
+<h4><span class="LC_nobreak">$showtype: $cdesc</span></h4>
+<form action="/adm/modifycourse" method="post" name="set$item">
+<p><span class="LC_nobreak">$titles{'curd'}: <span style="font-style:italic">$domdefdisplay</span></span></p>
+<p><span class="LC_nobreak">
+<label><input type="radio" name="${item}set" value="dom" onclick="toggleOptions(this.form,'set$item');"$checkeddom$disabled />$titles{'used'}</label></span><br />
+<span class="LC_nobreak">
+<label><input type="radio" name="${item}set" value="course" onclick="toggleOptions(this.form,'set$item');"$checkedcrs$disabled />$titles{'cour'}</label></span></p>
+<fieldset id="crs$item" style="$divsty">
+<legend>$titles{'valu'}</legend>
+$crselements
+</fieldset><p>
+$submit
+$hidden_elements
+</p>
+</form>
+ENDDOCUMENT
+    my @actions =
+        ('<a href="javascript:changePage(document.set'.$item.','."'menu'".')">'.
+         $titles{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
     return;
 }
 
+sub default_overrides_titles {
+    my ($type) = @_;
+    my %titles = &Apache::lonlocal::texthash(
+                'requ' => 'Requirement for re-authentication for student LTI-limited launch of deep-linked item',
+                'link' => 'Link protection can be set to accept username for an enrolled student (if sent by Consumer)',
+                'logi' => 'Login needed, regardless of user information sent by LTI Consumer in (signed) parameters',
+                'extt' => 'External Tool permissions',
+                'none' => 'Use of external tools not permitted',
+                'crs' => 'Only external tools defined in course may be used',
+                'dom' => 'Only external tools defined in domain may be used',
+                'both' => 'External tools defined/configured in either domain or course may be used',
+                'stan' => "'In-course' authoring of standard LON-CAPA problems",
+                'perc' => 'Permitted course resource editors', 
+                'edit' => 'Standard editor (Edit)',
+                'xml'  => 'Text editor (EditXML)',
+                'daxe' => 'Daxe editor (Daxe)',
+                'on'   => 'In-course authoring available',
+                'off'  => 'In-course authoring unavailable',
+                'used' => 'Use domain default',
+                'cour' => 'Use course-specific setting',
+                'curd' => 'Current domain default is',
+                'valu' => 'Value for this course',
+                'modi' => 'Save',
+                'back' => 'Pick another action',
+    );
+    if ($type eq 'Community') {
+        $titles{'crs'} = &mt('Only external tools defined in community may be used');
+        $titles{'both'} = &mt('External tools defined/configured in either domain or community may be used');
+        $titles{'cour'} = &mt('Use community-specific setting');
+        $titles{'valu'} = &mt('Value for this community');
+    }
+    return %titles;
+}
+
+sub default_overrides_common {
+    my ($item,$cdom,$cnum,$type,$titles) = @_;
+    my ($title,$domdef,$domdefdom,$domdefdisplay,%settings,%optiontext,@options);
+    if ($item eq 'ltiauth') {
+        %settings = &Apache::lonnet::get('environment',['internal.'.$item],$cdom,$cnum);
+        $title = $titles->{'requ'};
+        $domdef = 0;
+        @options = ('0','1');
+        %optiontext = ( 
+                        0 => $titles->{'logi'},
+                        1 => $titles->{'link'},
+                      );
+    } else {
+        %settings =
+            &Apache::lonnet::get('environment',['internal.'.$item,'internal.coursecode',
+                                                'internal.textbook'],$cdom,$cnum);
+        if ($item eq 'exttool') {
+            $title = $titles->{'extt'};
+            $domdefdom = 1;
+            $domdef = 0;
+            @options = ('both','dom','crs','none');
+            map { $optiontext{$_} = $titles->{$_}; } @options;
+        } elsif ($item eq 'crsauthor') {
+            $title = $titles->{'stan'};
+            $domdef = 1;
+            @options = ('1','0');
+            %optiontext = ( 
+                            1 => $titles->{'on'},
+                            0 => $titles->{'off'},
+                          );
+        } elsif ($item eq 'crseditors') {
+            $title = $titles->{'perc'};
+            $domdef = 1;
+            @options = ('edit','xml','daxe');
+            map { $optiontext{$_} = $titles->{$_}; } @options;
+        }
+    }
+    my %domconfig =
+        &Apache::lonnet::get_dom('configuration',['coursedefaults'],$cdom);
+    if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+        if (($item eq 'ltiauth') || ($item eq 'crseditors')) {
+            $domdef = $domconfig{'coursedefaults'}{$item};
+        } else {
+            my $lctype = &get_lctype($type,\%settings);
+            if (ref($domconfig{'coursedefaults'}{$item}) eq 'HASH') {
+                if (exists($domconfig{'coursedefaults'}{$item}{$lctype})) {
+                    $domdef = $domconfig{'coursedefaults'}{$item}{$lctype};
+                }
+            }
+            if ($item eq 'exttool') {
+                if (ref($domconfig{'coursedefaults'}{'domexttool'}) eq 'HASH') {
+                    if (exists($domconfig{'coursedefaults'}{'domexttool'}{$lctype})) {
+                        $domdefdom = $domconfig{'coursedefaults'}{'domexttool'}{$lctype};
+                    }
+                }
+            }
+        }
+    }
+    if ($item eq 'ltiauth') {
+        if ($domdef) {
+            $domdefdisplay = $titles->{'link'};
+        } else {
+            $domdefdisplay = $titles->{'logi'};
+        }
+    } elsif ($item eq 'exttool') {
+        if ($domdef && $domdefdom) {
+            $domdefdisplay = $titles->{'both'};
+        } elsif ($domdef) {
+            $domdefdisplay = $titles->{'crs'};
+        } elsif ($domdefdom) {
+            $domdefdisplay = $titles->{'dom'};
+        } else {
+            $domdefdisplay = $titles->{'none'};
+        }
+    } elsif ($item eq 'crsauthor') {
+        if ($domdef) {
+            $domdefdisplay = $titles->{'on'};
+        } else {
+            $domdefdisplay = $titles->{'off'};
+        }
+    } elsif ($item eq 'crseditors') {
+        if (ref($domdef) eq 'ARRAY') {
+            if (@{$domdef} == 0) {
+                $domdefdisplay = &mt('No permitted editors');
+            } elsif (@{$domdef} == 1) {
+                $domdefdisplay = $titles->{$domdef->[0]}.' ('.&mt('only').')';
+            } else {
+                $domdefdisplay = join(', ', map { $titles->{$_}; } @{$domdef});
+            }
+        } else {
+            $domdefdisplay = join(', ', map { $titles->{$_}; } ('edit','xml'));
+        }
+    }
+    return ($title,$domdefdisplay,\%settings,\%optiontext,\@options);
+}
+
+sub modify_selfenrollconfig {
+    my ($r,$type,$cdesc,$coursehash) = @_;
+    return unless(ref($coursehash) eq 'HASH');
+    my $cnum = $coursehash->{'num'};
+    my $cdom = $coursehash->{'domain'};
+    my %currsettings = &get_selfenroll_settings($coursehash);
+    &print_header($r,$type);
+    $r->print('<h3>'.&mt('Self-enrollment with a student role').'</h3>'.
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="selfenrollchg">'."\n".
+              &hidden_form_elements().'<br />');
+    &Apache::loncreateuser::update_selfenroll_config($r,$env{'form.pickedcourse'},
+                                                     $cdom,$cnum,'domain',$type,\%currsettings);
+    $r->print('</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.selfenrollchg,'."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br /><br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub get_selfenroll_settings {
+    my ($coursehash) = @_;
+    my %currsettings;
+    if (ref($coursehash) eq 'HASH') {
+        %currsettings = (
+            selfenroll_types              => $coursehash->{'internal.selfenroll_types'},
+            selfenroll_registered         => $coursehash->{'internal.selfenroll_registered'},
+            selfenroll_section            => $coursehash->{'internal.selfenroll_section'},
+            selfenroll_notifylist         => $coursehash->{'internal.selfenroll_notifylist'},
+            selfenroll_approval           => $coursehash->{'internal.selfenroll_approval'},
+            selfenroll_limit              => $coursehash->{'internal.selfenroll_limit'},
+            selfenroll_cap                => $coursehash->{'internal.selfenroll_cap'},
+            selfenroll_start_date         => $coursehash->{'internal.selfenroll_start_date'},
+            selfenroll_end_date           => $coursehash->{'internal.selfenroll_end_date'},
+            selfenroll_start_access       => $coursehash->{'internal.selfenroll_start_access'},
+            selfenroll_end_access         => $coursehash->{'internal.selfenroll_end_access'},
+            default_enrollment_start_date => $coursehash->{'default_enrollment_start_date'},
+            default_enrollment_end_date   => $coursehash->{'default_enrollment_end_date'},
+            uniquecode                    => $coursehash->{'internal.uniquecode'},
+        );
+    }
+    return %currsettings;
+}
+
 sub modifiable_only_title {
     my ($type) = @_;
     my $dctitle = &Apache::lonnet::plaintext('dc');
     if ($type eq 'Community') {
-        return &mt('Community settings modifiable only by [_1] for:',$dctitle);
+        return &mt('Community settings modifiable only by [_1]',$dctitle);
     } else {
-        return &mt('Course settings modifiable only by [_1] for:',$dctitle);
+        return &mt('Course settings modifiable only by [_1]',$dctitle);
     }
 }
 
 sub gather_authenitems {
-    my ($cdom,$enrollvar) = @_;
+    my ($cdom,$enrollvar,$readonly) = @_;
     my ($krbdef,$krbdefdom)=&Apache::loncommon::get_kerberos_defaults($cdom);
     my $curr_authtype = '';
     my $curr_authfield = '';
@@ -605,12 +1627,14 @@ sub gather_authenitems {
             $curr_authtype = 'int';
         } elsif ($enrollvar->{'authtype'} eq 'localauth' ) {
             $curr_authtype = 'loc';
+        } elsif ($enrollvar->{'authtype'} eq 'lti' ) {
+            $curr_authtype = 'lti';
         }
     }
     unless ($curr_authtype eq '') {
         $curr_authfield = $curr_authtype.'arg';
     }
-    my $javascript_validations = 
+    my $javascript_validations =
         &Apache::lonuserutils::javascript_validations('modifycourse',$krbdefdom,
                                                       $curr_authtype,$curr_authfield);
     my %param = ( formname => 'document.'.$env{'form.phase'},
@@ -618,13 +1642,15 @@ sub gather_authenitems {
            kerb_def_auth => $krbdef,
            mode => 'modifycourse',
            curr_authtype => $curr_authtype,
-           curr_autharg => $enrollvar->{'autharg'}
+           curr_autharg => $enrollvar->{'autharg'},
+           readonly => $readonly,
         );
     my (%authform,$authenitems);
     $authform{'krb'} = &Apache::loncommon::authform_kerberos(%param);
     $authform{'int'} = &Apache::loncommon::authform_internal(%param);
     $authform{'loc'} = &Apache::loncommon::authform_local(%param);
-    foreach my $item ('krb','int','loc') {
+    $authform{'lti'} = &Apache::loncommon::authform_lti(%param);
+    foreach my $item ('krb','int','loc','lti') {
         if ($authform{$item} ne '') {
             $authenitems .= $authform{$item}.'<br />';
         }
@@ -635,16 +1661,26 @@ sub gather_authenitems {
 sub modify_course {
     my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
     my %longtype = &course_settings_descrip($type);
-    my @items = ('internal.courseowner','description');
-    unless ($type eq 'Community') {
+    my @items = ('internal.courseowner','description','internal.co-owners',
+                 'internal.pendingco-owners','internal.selfenrollmgrdc',
+                 'internal.selfenrollmgrcc','internal.mysqltables');
+    my ($selfenrollrows,$selfenrolltitles) = &Apache::lonuserutils::get_selfenroll_titles();
+    unless (($type eq 'Community') || ($type eq 'Placement')) {
         push(@items,('internal.coursecode','internal.authtype','internal.autharg',
                      'internal.sectionnums','internal.crosslistings'));
+        if (&showcredits($cdom)) {
+            push(@items,'internal.defaultcredits');
+        }
+        my %passwdconf = &Apache::lonnet::get_passwdconf($cdom);
+        if ($passwdconf{'crsownerchg'}) {
+            push(@items,'internal.nopasswdchg');
+        }
     }
     my %settings = &Apache::lonnet::get('environment',\@items,$cdom,$cnum);
     my $description = $settings{'description'};
-    my ($ccrole,$response,$chgresponse,$nochgresponse,$reply,%currattr,%newattr,%cenv,%changed,
-        @changes,@nochanges,@sections,@xlists,@warnings);
-    my @modifiable_params = &get_dc_settable($type);
+    my ($ccrole,$response,$chgresponse,$nochgresponse,$reply,%currattr,%newattr,
+        %cenv,%changed,@changes,@nochanges,@sections,@xlists,@warnings);
+    my @modifiable_params = &get_dc_settable($type,$cdom);
     foreach my $param (@modifiable_params) {
         $currattr{$param} = $settings{'internal.'.$param};
     }
@@ -654,6 +1690,7 @@ sub modify_course {
     } else {
         %changed = ( code  => 0,
                      owner => 0,
+                     passwd => 0,
                    );
         $ccrole = 'cc';
         unless ($settings{'internal.sectionnums'} eq '') {
@@ -663,7 +1700,7 @@ sub modify_course {
                 $sections[0] = $settings{'internal.sectionnums'};
             }
         }
-        unless ($settings{'internal.crosslistings'} eq'') {
+        unless ($settings{'internal.crosslistings'} eq '') {
             if ($settings{'internal.crosslistings'} =~ m/,/) {
                 @xlists = split/,/,$settings{'internal.crosslistings'};
             } else {
@@ -684,6 +1721,8 @@ sub modify_course {
             if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
                 $newattr{'autharg'} = $env{'form.locarg'};
             }
+        } elsif ($env{'form.login'} eq 'lti') {
+            $newattr{'authtype'} = 'lti';
         }
         if ( $newattr{'authtype'}=~ /^krb/) {
             if ($newattr{'autharg'}  eq '') {
@@ -702,16 +1741,60 @@ sub modify_course {
                 $changed{'code'} = 1;
             }
         }
+        if ( exists($env{'form.mysqltables'}) ) {
+            $newattr{'mysqltables'} = $env{'form.mysqltables'};
+            $newattr{'mysqltables'} =~ s/\D+//g;
+        }
+        if ($type ne 'Placement') {
+            if (&showcredits($cdom) && exists($env{'form.defaultcredits'})) {
+                $newattr{'defaultcredits'}=$env{'form.defaultcredits'};
+                $newattr{'defaultcredits'} =~ s/[^\d\.]//g;
+            }
+            if (grep(/^nopasswdchg$/,@modifiable_params)) {
+                if ($env{'form.nopasswdchg'}) {
+                    $newattr{'nopasswdchg'} = 1;
+                    unless ($currattr{'nopasswdchg'}) {
+                        $changed{'passwd'} = 1;
+                    }
+                } elsif ($currattr{'nopasswdchg'}) {
+                    $changed{'passwd'} = 1;
+                }
+            }
+        }
+    }
+
+    my @newmgrdc = ();
+    my @newmgrcc = ();
+    my @currmgrdc = split(/,/,$currattr{'selfenrollmgrdc'});
+    my @currmgrcc = split(/,/,$currattr{'selfenrollmgrcc'});
+
+    foreach my $item (@{$selfenrollrows}) {
+        if ($env{'form.selfenrollmgr_'.$item} eq '0') {
+            push(@newmgrdc,$item);
+        } elsif ($env{'form.selfenrollmgr_'.$item} eq '1') {
+            push(@newmgrcc,$item);
+        }
+    }
+
+    $newattr{'selfenrollmgrdc'}=join(',',@newmgrdc);
+    $newattr{'selfenrollmgrcc'}=join(',',@newmgrcc);
+
+    my $cctitle;
+    if ($type eq 'Community') {
+        $cctitle = &mt('Community personnel');
+    } else {
+        $cctitle = &mt('Course personnel');
     }
+    my $dctitle = &Apache::lonnet::plaintext('dc');
 
     if ( exists($env{'form.courseowner'}) ) {
         $newattr{'courseowner'}=$env{'form.courseowner'};
         unless ( $newattr{'courseowner'} eq $currattr{'courseowner'} ) {
             $changed{'owner'} = 1;
-        } 
+        }
     }
 
-    if ($changed{'owner'} || $changed{'code'}) { 
+    if ($changed{'owner'} || $changed{'code'} || $changed{'passwd'}) {
         my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,
                                                     undef,undef,'.');
         if (ref($crsinfo{$env{'form.pickedcourse'}}) eq 'HASH') {
@@ -721,8 +1804,30 @@ sub modify_course {
             if ($changed{'owner'}) {
                 $crsinfo{$env{'form.pickedcourse'}}{'owner'} = $env{'form.courseowner'};
             }
+            if ($changed{'passwd'}) {
+                if ($env{'form.nopasswdchg'}) {
+                    $crsinfo{$env{'form.pickedcourse'}}{'nopasswdchg'} = 1;
+                } else {
+                    delete($crsinfo{'nopasswdchg'});
+                }
+            }
             my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
             my $putres = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
+            if (($putres eq 'ok') && (($changed{'owner'} || $changed{'code'}))) {
+                &update_coowners($cdom,$cnum,$chome,\%settings,\%newattr);
+                if ($changed{'code'}) {
+                    &Apache::lonnet::devalidate_cache_new('instcats',$cdom);
+                    # Update cache of self-cataloging courses on institution's server(s).
+                    if (&Apache::lonnet::shared_institution($cdom)) {
+                        unless ($registered_cleanup) {
+                            my $handlers = $r->get_handlers('PerlCleanupHandler');
+                            $r->set_handlers('PerlCleanupHandler' => [\&devalidate_remote_instcats,@{$handlers}]);
+                            $registered_cleanup=1;
+                            $modified_dom = $cdom;
+                        }
+                    }
+                }
+            }
         }
     }
     foreach my $param (@modifiable_params) {
@@ -734,10 +1839,10 @@ sub modify_course {
         }
     }
     if (@changes > 0) {
-        $chgresponse = &mt("The following settings have been changed:<br/><ul>");
+        $chgresponse = &mt('The following settings have been changed:').'<br/><ul>';
     }
     if (@nochanges > 0) {
-        $nochgresponse = &mt("The following settings remain unchanged:<br/><ul>");
+        $nochgresponse = &mt('The following settings remain unchanged:').'<br/><ul>';
     }
     if (@changes > 0) {
         my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
@@ -751,18 +1856,57 @@ sub modify_course {
             }
             $response .= '<br/>'.&mt('Error: ').$putreply.'</p>';
         } else {
+            if ($env{'course.'.$cdom.'_'.$cnum.'.description'} ne '') {
+                my %newenv;
+                map { $newenv{'course.'.$cdom.'_'.$cnum.'.internal.'.$_} = $newattr{$_}; } @changes;
+                &Apache::lonnet::appenv(\%newenv);
+            }
             foreach my $attr (@modifiable_params) {
                 if (grep/^\Q$attr\E$/,@changes) {
-	            $chgresponse .= '<li>'.$longtype{$attr}.' '.&mt('now set to:').' "'.$newattr{$attr}.'".</li>';
+                    my $shown = $newattr{$attr};
+                    if ($attr eq 'selfenrollmgrdc') {
+                        $shown = &selfenroll_config_status(\@newmgrdc,$selfenrolltitles);
+                    } elsif ($attr eq 'selfenrollmgrcc') {
+                        $shown = &selfenroll_config_status(\@newmgrcc,$selfenrolltitles);
+                    } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
+                        $shown = &mt('None');
+                    } elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                        $shown = &mt('domain default');
+                    } elsif ($attr eq 'nopasswdchg') {
+                        if ($shown) {
+                            $shown = &mt('Yes');
+                        } else {
+                            $shown = &mt('No');
+                        }
+                    }
+                    $chgresponse .= '<li>'.&mt('[_1] now set to: [_2]',$longtype{$attr},$shown).'</li>';
                 } else {
-	            $nochgresponse .= '<li>'.$longtype{$attr}.' '.&mt('still set to:').' "'.$currattr{$attr}.'".</li>';
+                    my $shown = $currattr{$attr};
+                    if ($attr eq 'selfenrollmgrdc') {
+                        $shown = &selfenroll_config_status(\@currmgrdc,$selfenrolltitles);
+                    } elsif ($attr eq 'selfenrollmgrcc') {
+                        $shown = &selfenroll_config_status(\@currmgrcc,$selfenrolltitles);
+                    } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
+                        $shown = &mt('None');
+                    } elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                        $shown = &mt('domain default');
+                    } elsif ($attr eq 'nopasswdchg') {
+                        if ($shown) {
+                            $shown = &mt('Yes');
+                        } else {
+                            $shown = &mt('No');
+                        }
+                    }
+                    $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
                 }
             }
-            if (($type ne 'Community') && ($changed{'code'} || $changed{'owner'})) {
+            if (($type ne 'Community') && ($type ne 'Placement') && ($changed{'code'} || $changed{'owner'})) {
                 if ( $newattr{'courseowner'} eq '') {
 	            push(@warnings,&mt('There is no owner associated with this LON-CAPA course.').
                                    '<br />'.&mt('If automated enrollment at your institution requires validation of course owners, automated enrollment will fail.'));
                 } else {
+                    my %crsenv = &Apache::lonnet::get('environment',['internal.co-owners'],$cdom,$cnum);
+                    my $coowners = $crsenv{'internal.co-owners'};
 	            if (@sections > 0) {
                         if ($changed{'code'}) {
 	                    foreach my $sec (@sections) {
@@ -771,13 +1915,12 @@ sub modify_course {
 		                    my $inst_course_id = $newattr{'coursecode'}.$1;
                                     my $course_check = &Apache::lonnet::auto_validate_courseID($cnum,$cdom,$inst_course_id);
 			            if ($course_check eq 'ok') {
-                                        my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'});
+                                        my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'},$coowners);
 			                unless ($outcome eq 'ok') {
-                               
-				            push(@warnings,&mt('If automatic enrollment is enabled for "[_1]" automated enrollment may fail for "[_2]" - section: [_3], for the following reason: "[_4]"',$description,$newattr{'coursecode'},$instsec,$outcome).'<br/>');
+				            push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section: [_3] for the following reason: "[_4]".',$description,$newattr{'coursecode'},$instsec,$outcome).'<br/>');
 			                }
 			            } else {
-                                        push(@warnings,&mt('If automatic enrollment is enabled for "[_1]" automated enrollment may fail for "[_2]" - section: [_3], for the following reason: "[_4]"',$description,$newattr{'coursecode'},$instsec,$course_check));
+                                        push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section: [_3] for the following reason: "[_4]".',$description,$newattr{'coursecode'},$instsec,$course_check));
 			            }
 		                } else {
 			            push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section: [_3], because this is not a valid section entry.',$description,$newattr{'coursecode'},$sec));
@@ -788,23 +1931,23 @@ sub modify_course {
                                 if ($sec =~ m/^(.+):/) {
                                     my $instsec = $1;
                                     my $inst_course_id = $newattr{'coursecode'}.$instsec;
-                                    my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'});
+                                    my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'},$coowners);
                                     unless ($outcome eq 'ok') {
-                                        push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section [_3] for the following reason: "[_4]".',$description,$newattr{'coursecode'},$instsec,$outcome));
+                                        push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section: [_3] for the following reason: "[_4]".',$description,$newattr{'coursecode'},$instsec,$outcome));
                                     }
                                 } else {
-                                    push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section [_3] because this is not a valid section entry.',$description,$newattr{'coursecode'},$sec));
+                                    push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for "[_2]" - section: [_3], because this is not a valid section entry.',$description,$newattr{'coursecode'},$sec));
                                 }
                             }
                         }
 	            } else {
-	                push(@warnings,&mt('As no section numbers are currently listed for "[_1]" automated enrollment will not occur for any sections of institutional course code: "[_2]".',$description,$newattr{'coursecode'}));
+	                push(@warnings,&mt('As no section numbers are currently listed for "[_1]", automated enrollment will not occur for any sections of institutional course code: "[_2]".',$description,$newattr{'coursecode'}));
 	            }
 	            if ( (@xlists > 0) && ($changed{'owner'}) ) {
 	                foreach my $xlist (@xlists) {
 		            if ($xlist =~ m/^(.+):/) {
                                 my $instxlist = $1;
-                                my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$instxlist,$newattr{'courseowner'});
+                                my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$instxlist,$newattr{'courseowner'},$coowners);
 		                unless ($outcome eq 'ok') {
 			            push(@warnings,&mt('If automatic enrollment is enabled for "[_1]", automated enrollment may fail for crosslisted class "[_2]" for the following reason: "[_3]".',$description,$instxlist,$outcome));
 		                }
@@ -816,7 +1959,17 @@ sub modify_course {
         }
     } else {
         foreach my $attr (@modifiable_params) {
-            $nochgresponse .= '<li>'.$longtype{$attr}.' '.&mt('still set to').' "'.$currattr{$attr}.'".</li>';
+            my $shown = $currattr{$attr};
+            if ($attr eq 'selfenrollmgrdc') {
+                $shown = &selfenroll_config_status(\@currmgrdc,$selfenrolltitles);
+            } elsif ($attr eq 'selfenrollmgrcc') {
+                $shown = &selfenroll_config_status(\@currmgrcc,$selfenrolltitles);
+            } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
+                $shown = &mt('None');
+            } elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                $shown = &mt('domain default');
+            }
+            $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
         }
     }
 
@@ -827,7 +1980,7 @@ sub modify_course {
         $nochgresponse .=  "</ul><br/><br/>";
     }
     my ($warning,$numwarnings);
-    my $numwarnings = scalar(@warnings); 
+    my $numwarnings = scalar(@warnings);
     if ($numwarnings) {
         $warning = &mt('The following [quant,_1,warning was,warnings were] generated when applying your changes to automated enrollment:',$numwarnings).'<p><ul>';
         foreach my $warn (@warnings) {
@@ -841,87 +1994,436 @@ sub modify_course {
         $reply = $chgresponse.$nochgresponse.$warning;
     }
     &print_header($r,$type);
-    my $mainheader = &modifiable_only_title($type);
-    $reply = '<h3>'.$mainheader.' <span class="LC_nobreak">'.$cdesc.'</span></h3>'."\n".
+    $reply = '<h3>'.&modifiable_only_title($type).'</h3>'."\n".
+             '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
              '<p>'.$reply.'</p>'."\n".
              '<form action="/adm/modifycourse" method="post" name="processparms">'.
-             &hidden_form_elements().
-             '<a href="javascript:changePage(document.processparms,'."'menu'".')">'.
-             &mt('Pick another action').'</a>';
+             &hidden_form_elements();
+    my @actions =
+        ('<a href="javascript:changePage(document.processparms,'."'menu'".')">'.
+                 &mt('Pick another action').'</a>');
     if ($numwarnings) {
         my $newrole = $ccrole.'./'.$cdom.'/'.$cnum;
         my $escuri = &HTML::Entities::encode('/adm/roles?selectrole=1&'.$newrole.
                                              '=1&destinationurl=/adm/populate','&<>"');
 
-        $reply .= '<br /><a href="'.$escuri.'">'.
-                  &mt('Go to Automated Enrollment Manager for course').'</a>';
+        push(@actions, '<a href="'.$escuri.'">'.
+                  &mt('Go to Automated Enrollment Manager for course').'</a>');
     }
-    $reply .= '</form>';
+    $reply .= '</form>'.
+              '<br />'.&Apache::lonhtmlcommon::actionbox(\@actions);
     $r->print($reply);
     return;
 }
 
+sub selfenroll_config_status {
+    my ($items,$selfenrolltitles) = @_;
+    my $shown;
+    if ((ref($items) eq 'ARRAY') && (ref($selfenrolltitles) eq 'HASH')) {
+        if (@{$items} > 0) {
+            $shown = '<ul>';
+            foreach my $item (@{$items}) {
+                $shown .= '<li>'.$selfenrolltitles->{$item}.'</li>';
+            }
+            $shown .= '</ul>';
+        } else {
+            $shown = &mt('None');
+        }
+    }
+    return $shown;
+}
+
+sub update_coowners {
+    my ($cdom,$cnum,$chome,$settings,$newattr) = @_;
+    return unless ((ref($settings) eq 'HASH') && (ref($newattr) eq 'HASH'));
+    my %designhash = &Apache::loncommon::get_domainconf($cdom);
+    my (%cchash,$autocoowners);
+    if ($designhash{$cdom.'.autoassign.co-owners'}) {
+        $autocoowners = 1;
+        %cchash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,['cc']);
+    }
+    if ($settings->{'internal.courseowner'} ne $newattr->{'courseowner'}) {
+        my $oldowner_to_coowner;
+        my @types = ('co-owners');
+        if (($newattr->{'coursecode'}) && ($autocoowners)) {
+            my $oldowner = $settings->{'internal.courseowner'};
+            if ($cchash{$oldowner.':cc'}) {
+                my ($result,$desc) = &Apache::lonnet::auto_validate_instcode($cnum,$cdom,$newattr->{'coursecode'},$oldowner);
+                if ($result eq 'valid') {
+                    if ($settings->{'internal.co-owner'}) {
+                        my @current = split(',',$settings->{'internal.co-owners'});
+                        unless (grep(/^\Q$oldowner\E$/,@current)) {
+                            $oldowner_to_coowner = 1;
+                        }
+                    } else {
+                        $oldowner_to_coowner = 1;
+                    }
+                }
+            }
+        } else {
+            push(@types,'pendingco-owners');
+        }
+        foreach my $type (@types) {
+            if ($settings->{'internal.'.$type}) {
+                my @current = split(',',$settings->{'internal.'.$type});
+                my $newowner = $newattr->{'courseowner'};
+                my @newvalues = ();
+                if (($newowner ne '') && (grep(/^\Q$newowner\E$/,@current))) {
+                    foreach my $person (@current) {
+                        unless ($person eq $newowner) {
+                            push(@newvalues,$person);
+                        }
+                    }
+                } else {
+                    @newvalues = @current;
+                }
+                if ($oldowner_to_coowner) {
+                    push(@newvalues,$settings->{'internal.courseowner'});
+                    @newvalues = sort(@newvalues);
+                }
+                my $newownstr = join(',',@newvalues);
+                if ($newownstr ne $settings->{'internal.'.$type}) {
+                    if ($type eq 'co-owners') {
+                        my $deleted = '';
+                        unless (@newvalues) {
+                            $deleted = 1;
+                        }
+                        &Apache::lonnet::store_coowners($cdom,$cnum,$chome,
+                                                        $deleted,@newvalues);
+                    } else {
+                        my $pendingcoowners;
+                        my $cid = $cdom.'_'.$cnum;
+                        if (@newvalues) {
+                            $pendingcoowners = join(',',@newvalues);
+                            my %pendinghash = (
+                                'internal.pendingco-owners' => $pendingcoowners,
+                            );
+                            my $putresult = &Apache::lonnet::put('environment',\%pendinghash,$cdom,$cnum);
+                            if ($putresult eq 'ok') {
+                                if ($env{'course.'.$cid.'.num'} eq $cnum) {
+                                    &Apache::lonnet::appenv({'course.'.$cid.'.internal.pendingco-owners' => $pendingcoowners});
+                                }
+                            }
+                        } else {
+                            my $delresult = &Apache::lonnet::del('environment',['internal.pendingco-owners'],$cdom,$cnum);
+                            if ($delresult eq 'ok') {
+                                if ($env{'course.'.$cid.'.internal.pendingco-owners'}) {
+                                    &Apache::lonnet::delenv('course.'.$cid.'.internal.pendingco-owners');
+                                }
+                            }
+                        }
+                    }
+                } elsif ($oldowner_to_coowner) {
+                    &Apache::lonnet::store_coowners($cdom,$cnum,$chome,'',
+                                         $settings->{'internal.courseowner'});
+
+                }
+            } elsif ($oldowner_to_coowner) {
+                &Apache::lonnet::store_coowners($cdom,$cnum,$chome,'',
+                                     $settings->{'internal.courseowner'});
+            }
+        }
+    }
+    if ($settings->{'internal.coursecode'} ne $newattr->{'coursecode'}) {
+        if ($newattr->{'coursecode'} ne '') {
+            my %designhash = &Apache::loncommon::get_domainconf($cdom);
+            if ($designhash{$cdom.'.autoassign.co-owners'}) {
+                my @newcoowners = ();
+                if ($settings->{'internal.co-owners'}) {
+                    my @currcoown = split(',',$settings->{'internal.co-owners'});
+                    my ($updatecoowners,$delcoowners);
+                    foreach my $person (@currcoown) {
+                        my ($result,$desc) = &Apache::lonnet::auto_validate_instcode($cnum,$cdom,$newattr->{'coursecode'},$person);
+                        if ($result eq 'valid') {
+                            push(@newcoowners,$person);
+                        }
+                    }
+                    foreach my $item (sort(keys(%cchash))) {
+                        my ($uname,$udom,$urole) = split(':',$item);
+                        next if ($uname.':'.$udom eq $newattr->{'courseowner'});
+                        unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) {
+                            my ($result,$desc) = &Apache::lonnet::auto_validate_instcode($cnum,$cdom,$newattr->{'coursecode'},$uname.':'.$udom);
+                            if ($result eq 'valid') {
+                                push(@newcoowners,$uname.':'.$udom);
+                            }
+                        }
+                    }
+                    if (@newcoowners) {
+                        my $coowners = join(',',sort(@newcoowners));
+                        unless ($coowners eq $settings->{'internal.co-owners'}) {
+                            $updatecoowners = 1;
+                        }
+                    } else {
+                        $delcoowners = 1;
+                    }
+                    if ($updatecoowners || $delcoowners) {
+                        &Apache::lonnet::store_coowners($cdom,$cnum,$chome,
+                                                        $delcoowners,@newcoowners);
+                    }
+                } else {
+                    foreach my $item (sort(keys(%cchash))) {
+                        my ($uname,$udom,$urole) = split(':',$item);
+                        push(@newcoowners,$uname.':'.$udom);
+                    }
+                    if (@newcoowners) {
+                        &Apache::lonnet::store_coowners($cdom,$cnum,$chome,'',
+                                                        @newcoowners);
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
 sub modify_quota {
     my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
     &print_header($r,$type);
-    $r->print('<form action="/adm/modifycourse" method="post" name="processquota">'."\n".
-              '<h3>'.&mt('Disk space for storage of group portfolio files for:').
-              ' <span class="LC_nobreak">'.$cdesc.'</span></h3><br />');
-    my %oldsettings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
-    my $defaultquota = 20;
-    if ($env{'form.coursequota'} ne '') {
-        my $newquota = $env{'form.coursequota'};
-        if ($newquota =~ /^\s*(\d+\.?\d*|\.\d+)\s*$/) {
-            $newquota = $1;
-            if ($oldsettings{'internal.coursequota'} eq $env{'form.coursequota'}) {
-                $r->print(&mt('The disk space allocated for group portfolio files remains unchanged as [_1] Mb.',$env{'form.coursequota'}));
+    my $lctype = lc($type);
+    $r->print('<h3>'.&mt("Disk space quotas for $lctype")."</h3>\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).' :'.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="processquota">'."\n");
+    my %oldsettings = &Apache::lonnet::get('environment',['internal.coursequota','internal.uploadquota'],$cdom,$cnum);
+    my %staticdefaults = (
+                           coursequota   => 20,
+                           uploadquota   => 500,
+                         );
+    my %default;
+    $default{'coursequota'} = $staticdefaults{'coursequota'};
+    my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
+    $default{'uploadquota'} = $domdefs{'uploadquota'};
+    if ($default{'uploadquota'} eq '') {
+        $default{'uploadquota'} = $staticdefaults{'uploadquota'};
+    }
+    my (%cenv,%showresult);
+    foreach my $item ('coursequota','uploadquota') {
+        if ($env{'form.'.$item} ne '') {
+            my $newquota = $env{'form.'.$item};
+            if ($newquota =~ /^\s*(\d+\.?\d*|\.\d+)\s*$/) {
+                $newquota = $1;
+                if ($oldsettings{'internal.'.$item} == $newquota) {
+                    if ($item eq 'coursequota') {
+                        $r->print(&mt('The disk space allocated for group portfolio files remains unchanged as [_1] MB.',$newquota).'<br />');
+                    } else {
+                        $r->print(&mt('The disk space allocated for files uploaded via the Content Editor remains unchanged as [_1] MB.',$newquota).'<br />');
+                    }
+                } else {
+                    $cenv{'internal.'.$item} = $newquota;
+                    $showresult{$item} = 1;
+                }
+            } else {
+                if ($item eq 'coursequota') {
+                    $r->print(&mt('The proposed group portfolio quota contained invalid characters, so the quota is unchanged.').'<br />');
+                } else {
+                    $r->print(&mt('The proposed quota for content uploaded via the Content Editor contained invalid characters, so the quota is unchanged.').'<br />');
+
+                }
+            }
+        }
+    }
+    if (keys(%cenv)) {
+        my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,
+                                            $cnum);
+        foreach my $key (sort(keys(%showresult))) {
+            if (($oldsettings{'internal.'.$key} eq '') &&
+                ($env{'form.'.$key} == $default{$key})) {
+                if ($key eq 'uploadquota') {
+                    if ($type eq 'Community') {
+                        $r->print(&mt('The disk space allocated for files uploaded to this community via the Content Editor is the default quota for this domain: [_1] MB.',
+                                      $default{$key}).'<br />');
+                    } else {
+                        $r->print(&mt('The disk space allocated for files uploaded to this course via the Content Editor is the default quota for this domain: [_1] MB.',
+                                      $default{$key}).'<br />');
+                    }
+                } else {
+                    if ($type eq 'Community') {
+                        $r->print(&mt('The disk space allocated for group portfolio files in this community is the default quota for this domain: [_1] MB.',
+                                      $default{$key}).'<br />');
+                    } else {
+                        $r->print(&mt('The disk space allocated for group portfolio files in this course is the default quota for this domain: [_1] MB.',
+                                      $default{$key}).'<br />');
+                    }
+                }
+                delete($showresult{$key});
+            }
+        }
+        if ($putreply eq 'ok') {
+            my %updatedsettings = &Apache::lonnet::get('environment',['internal.coursequota','internal.uploadquota'],$cdom,$cnum);
+            if ($showresult{'coursequota'}) {
+                $r->print(&mt('The disk space allocated for group portfolio files is now: [_1] MB.',
+                              '<b>'.$updatedsettings{'internal.coursequota'}.'</b>').'<br />');
+                my $usage = &Apache::longroup::sum_quotas($cdom.'_'.$cnum);
+                if ($usage >= $updatedsettings{'internal.coursequota'}) {
+                    my $newoverquota;
+                    if ($usage < $oldsettings{'internal.coursequota'}) {
+                        $newoverquota = 'now';
+                    }
+                    $r->print('<p>');
+                    if ($type eq 'Community') {
+                        $r->print(&mt("Disk usage $newoverquota exceeds the quota for this community.").' '.
+                                  &mt('Upload of new portfolio files and assignment of a non-zero MB quota to new groups in the community will not be possible until some files have been deleted, and total usage is below community quota.'));
+                    } else {
+                        $r->print(&mt("Disk usage $newoverquota exceeds the quota for this course.").' '.
+                                  &mt('Upload of new portfolio files and assignment of a non-zero MB quota to new groups in the course will not be possible until some files have been deleted, and total usage is below course quota.'));
+                    }
+                    $r->print('</p>');
+                }
+            }
+            if ($showresult{'uploadquota'}) {
+                $r->print(&mt('The disk space allocated for content uploaded directly via the Content Editor is now: [_1] MB.',
+                              '<b>'.$updatedsettings{'internal.uploadquota'}.'</b>').'<br />');
+            }
+        } else {
+            $r->print(&mt('An error occurred storing the quota(s) for group portfolio files and/or uploaded content: ').
+                      $putreply);
+        }
+    }
+    $r->print(&hidden_form_elements().'</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.processparms,'."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub modify_anonsurvey_threshold {
+    my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
+    &print_header($r,$type);
+    $r->print('<h3>'.&mt('Responder threshold required for display of anonymous survey submissions').'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="processthreshold">'."\n");
+    my %oldsettings = &Apache::lonnet::get('environment',['internal.anonsurvey_threshold'],$cdom,$cnum);
+    my %domconfig =
+        &Apache::lonnet::get_dom('configuration',['coursedefaults'],$cdom);
+    my $defaultthreshold;
+    if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+        $defaultthreshold = $domconfig{'coursedefaults'}{'anonsurvey_threshold'};
+        if ($defaultthreshold eq '') {
+            $defaultthreshold = 10;
+        }
+    } else {
+        $defaultthreshold = 10;
+    }
+    if ($env{'form.threshold'} eq '') {
+        $r->print(&mt('The proposed responder threshold for display of anonymous survey submissions was blank, so the threshold is unchanged.'));
+    } else {
+        my $newthreshold = $env{'form.threshold'};
+        if ($newthreshold =~ /^\s*(\d+)\s*$/) {
+            $newthreshold = $1;
+            if ($oldsettings{'internal.anonsurvey_threshold'} eq $env{'form.threshold'}) {
+                $r->print(&mt('Responder threshold for anonymous survey submissions display remains unchanged: [_1].',$env{'form.threshold'}));
             } else {
                 my %cenv = (
-                           'internal.coursequota' => $env{'form.coursequota'},
+                           'internal.anonsurvey_threshold' => $env{'form.threshold'},
                            );
                 my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,
                                                     $cnum);
-                if (($oldsettings{'internal.coursequota'} eq '') && 
-                    ($env{'form.coursequota'} == $defaultquota)) {
-                    if ($type eq 'Community') {
-                         $r->print(&mt('The disk space allocated for group portfolio files in this community is the default quota for this domain: [_1] Mb.',$defaultquota));
-                    } else {
-                         $r->print(&mt('The disk space allocated for group portfolio files in this course is the default quota for this domain: [_1] Mb.',$defaultquota));
+                if ($putreply eq 'ok') {
+                    if ($env{'course.'.$cdom.'_'.$cnum.'.description'} ne '') {
+                        &Apache::lonnet::appenv(
+                           {'course.'.$cdom.'_'.$cnum.'.internal.anonsurvey_threshold' => $env{'form.threshold'}});
                     }
+                }
+                if (($oldsettings{'internal.anonsurvey_threshold'} eq '') &&
+                    ($env{'form.threshold'} == $defaultthreshold)) {
+                    $r->print(&mt('The responder threshold for display of anonymous survey submissions is the default for this domain: [_1].',$defaultthreshold));
                 } else {
                     if ($putreply eq 'ok') {
-                        my %updatedsettings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
-                        $r->print(&mt('The disk space allocated for group portfolio files is now: [_1] Mb.',$updatedsettings{'internal.coursequota'}));
-                        my $usage = &Apache::longroup::sum_quotas($cdom.'_'.$cnum);
-                        if ($usage >= $updatedsettings{'internal.coursequota'}) {
-                            my $newoverquota;
-                            if ($usage < $oldsettings{'internal.coursequota'}) {
-                                $newoverquota = 'now';
-                            }
-                            $r->print('<p>');
-                            if ($type eq 'Community') {
-                                $r->print(&mt('Disk usage [_1] exceeds the quota for this community.',$newoverquota).' '.
-                                          &mt('Upload of new portfolio files and assignment of a non-zero Mb quota to new groups in the community will not be possible until some files have been deleted, and total usage is below community quota.'));
-                            } else {
-                                $r->print(&mt('Disk usage [_1] exceeds the quota for this course.',$newoverquota).' '.
-                                          &mt('Upload of new portfolio files and assignment of a non-zero Mb quota to new groups in the course will not be possible until some files have been deleted, and total usage is below course quota.'));
-                            }
-                            $r->print('</p>');
-                        }
+                        my %updatedsettings = &Apache::lonnet::get('environment',['internal.anonsurvey_threshold'],$cdom,$cnum);
+                        $r->print(&mt('The responder threshold for display of anonymous survey submissions is now: [_1].','<b>'.$updatedsettings{'internal.anonsurvey_threshold'}.'</b>'));
                     } else {
-                        $r->print(&mt('An error occurred storing the quota for group portfolio files: ').
+                        $r->print(&mt('An error occurred storing the responder threshold for anonymous submissions display: ').
                                   $putreply);
                     }
                 }
             }
         } else {
-            $r->print(&mt('The new quota requested contained invalid characters, so the quota is unchanged.'));
+            $r->print(&mt('The proposed responder threshold for display of anonymous submissions contained invalid characters, so the threshold is unchanged.'));
         }
     }
-    $r->print('<p>'.
-              '<a href="javascript:changePage(document.processquota,'."'menu'".')">'.
-              &mt('Pick another action').'</a>');
     $r->print(&hidden_form_elements().'</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.processthreshold,'."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub modify_postsubmit_config {
+    my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
+    &print_header($r,$type);
+    my %lt = &Apache::lonlocal::texthash(
+                subb => 'Submit button behavior after student makes a submission:',
+                unch => 'Post submission behavior of the Submit button is unchanged.',
+                erro => 'An error occurred when saving your proposed changes.',
+                inva => 'An invalid response was recorded.',
+                back => 'Pick another action',
+             );
+    $r->print('<h3>'.$lt{'subb'}.'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="processpostsubmit"><p>'."\n");
+    my %oldsettings =
+        &Apache::lonnet::get('environment',['internal.postsubmit','internal.postsubtimeout','internal.coursecode','internal.textbook'],$cdom,$cnum);
+    my $postsubmit = $env{'form.postsubmit'};
+    if ($postsubmit eq '1') {
+        my $postsubtimeout = $env{'form.postsubtimeout'};
+        $postsubtimeout =~ s/[^\d\.]+//g;
+        if (($oldsettings{'internal.postsubmit'} eq $postsubmit) && ($oldsettings{'internal.postsubtimeout'} eq $postsubtimeout)) {
+            $r->print($lt{'unch'});
+        } else {
+            my %cenv = (
+                         'internal.postsubmit' => $postsubmit,
+                       );
+            if ($postsubtimeout eq '') {
+                my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
+                if ($putreply eq 'ok') {
+                    my $defaulttimeout = &domain_postsubtimeout($cdom,$type,\%oldsettings);
+                    $r->print(&mt('The proposed duration for disabling the Submit button post-submission was blank, so the domain default of [quant,_1,second] will be used.',$defaulttimeout));
+                    if (exists($oldsettings{'internal.postsubtimeout'})) {
+                        &Apache::lonnet::del('environment',['internal.postsubtimeout'],$cdom,$cnum);
+                    }
+                } else {
+                    $r->print($lt{'erro'});
+                }
+            } else {
+                $cenv{'internal.postsubtimeout'} = $postsubtimeout;
+                my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
+                if ($putreply eq 'ok') {
+                    if ($postsubtimeout eq '0') {
+                        $r->print(&mt('Submit button will be disabled after student submission until page is reloaded.'));
+                    } else {
+                        $r->print(&mt('Submit button will be disabled after student submission for [quant,_1,second].',$postsubtimeout));
+                    }
+                } else {
+                    $r->print($lt{'erro'});
+                }
+            }
+        }
+    } elsif ($postsubmit eq '0') {
+        if ($oldsettings{'internal.postsubmit'} eq $postsubmit) {
+            $r->print($lt{'unch'});
+        } else {
+            if (exists($oldsettings{'internal.postsubtimeout'})) {
+                &Apache::lonnet::del('environment',['internal.postsubtimeout'],$cdom,$cnum);
+            }
+            my %cenv = (
+                         'internal.postsubmit' => $postsubmit,
+                       );
+            my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
+            if ($putreply eq 'ok') {
+                $r->print(&mt('Submit button will not be disabled after student submission'));
+            } else {
+                $r->print($lt{'erro'});
+            }
+        }
+    } else {
+        $r->print($lt{'inva'}.' '.$lt{'unch'});
+    }
+    $r->print('</p>'.&hidden_form_elements().'</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.processpostsubmit,'."'menu'".')">'.
+         $lt{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
     return;
 }
 
@@ -938,16 +2440,16 @@ sub modify_catsettings {
         $desc{'categories'} = &mt('Assigned categories for this course');
         $ccrole = 'cc';
     }
-    $r->print('
-<form action="/adm/modifycourse" method="post" name="processcat">
-<h3>'.&mt('Category settings').'</h3>');
+    $r->print('<h3>'.&mt('Category settings').'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="processcat"><br />'."\n");
     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
     my @cat_params = &catalog_settable($domconf{'coursecategories'},$type);
     if (@cat_params > 0) {
         my (%cenv,@changes,@nochanges);
         my %currsettings =
             &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
-        my (@newcategories,%showitem); 
+        my (@newcategories,%showitem);
         if (grep(/^togglecats$/,@cat_params)) {
             if ($currsettings{'hidefromcat'} ne $env{'form.hidefromcat'}) {
                 push(@changes,'hidefromcat');
@@ -993,9 +2495,9 @@ sub modify_catsettings {
                     foreach my $cat (@newcategories) {
                         if (!grep(/^\Q$cat\E$/,@currcategories)) {
                             $catchg = 1;
-                            last;                     
-                        } 
-                    } 
+                            last;
+                        }
+                    }
                 }
             } else {
                 if (@newcategories > 0) {
@@ -1011,6 +2513,13 @@ sub modify_catsettings {
             if (@changes > 0) {
                 my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
                 if ($putreply eq 'ok') {
+                    if ($env{'course.'.$cdom.'_'.$cnum.'.description'} ne '') {
+                        my %newenvhash;
+                        foreach my $item (@changes) {
+                            $newenvhash{'course.'.$cdom.'_'.$cnum.'.'.$item} = $cenv{$item};
+                        }
+                        &Apache::lonnet::appenv(\%newenvhash);
+                    }
                     my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',
                                                                 $cnum,undef,undef,'.');
                     if (ref($crsinfo{$env{'form.pickedcourse'}}) eq 'HASH') {
@@ -1048,10 +2557,134 @@ sub modify_catsettings {
             $r->print(&mt('Category settings for courses in this domain should be modified in course context (via "[_1]Course Configuration[_2]").','<a href="$escuri">','</a>').'<br />');
         }
     }
-    $r->print('<br />'."\n".
-              '<a href="javascript:changePage(document.processcat,'."'menu'".')">'.
-              &mt('Pick another action').'</a>');
-    $r->print(&hidden_form_elements().'</form>');
+    $r->print('<br />'.&hidden_form_elements().'</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.processcat,'."'menu'".')">'.
+         &mt('Pick another action').'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
+    return;
+}
+
+sub modify_default_overrides {
+    my ($r,$cdom,$cnum,$cdesc,$domdesc,$type,$item) = @_;
+    my (%titles,$oldcrsval,$newcrsval,%resulttext,$itemvalue,$nochange,$change,$status,$error);
+    %titles = &default_overrides_titles($type);
+    my ($title,$domdefdisplay,$oldsettings,$optiontext,$options) =
+        &default_overrides_common($item,$cdom,$cnum,$type,\%titles);
+    $oldcrsval = $oldsettings->{'internal.'.$item};
+    if ($item eq 'ltiauth') {
+        %resulttext =
+            &Apache::lonlocal::texthash(
+                                         chg   => 'Re-authentication requirement for LTI launch of deep-linked changed',
+                                         nochg => 'Re-authentication requirement for LTI launch of deep-linked item is unchanged',
+                                       );
+    } elsif ($item eq 'exttool') {
+        %resulttext =
+            &Apache::lonlocal::texthash(
+                                         chg   => 'External Tool permissions changed',
+                                         nochg => 'External Tool permissions unchanged',
+                                       );
+    } elsif ($item eq 'crsauthor') {
+        %resulttext =
+            &Apache::lonlocal::texthash(
+                                         chg   => 'In-course authoring permissions changed',
+                                         nochg => 'In-course authoring permissions unchanged',
+                                       );
+    } elsif ($item eq 'crseditors') {
+        %resulttext =
+            &Apache::lonlocal::texthash(
+                                         chg   => 'Permitted course resource editors changed',
+                                         nochg => 'Permitted course resource editors unchanged',
+                                       );
+    } 
+    &print_header($r,$type);
+    $r->print('<h3>'.$title.'</h3>'."\n".
+              '<h4><span class="LC_nobreak">'.&mt($type).': '.$cdesc.'</span></h4>'."\n".
+              '<form action="/adm/modifycourse" method="post" name="process'.$item.'">'."\n");
+    if ($env{'form.'.$item.'set'} eq 'dom') {
+        if ($oldcrsval eq '') {
+            $nochange = 1;
+        } else {
+            $change = 1;
+        }
+    } elsif ($env{'form.'.$item.'set'} eq 'course') {
+        if ($item eq 'crseditors') {
+            my @neweditors;
+            my @posseditors = &Apache::loncommon::get_env_multiple('form.'.$item);
+            foreach my $editor (@posseditors) {
+                if (grep(/^\Q$editor\E$/,@{$options})) {
+                    push(@neweditors,$editor);
+                }
+            }
+            $newcrsval = join(',',@neweditors); 
+        } else { 
+            my $posscrsval = $env{'form.'.$item};
+            if (grep(/^\Q$posscrsval\E$/,@{$options})) {
+                $newcrsval = $posscrsval;
+            }
+        }
+        if ($oldcrsval eq $newcrsval) {
+            $nochange = 1;
+        } else {
+            $change = 1;
+        }
+    }
+    if ($change) {
+        if ($newcrsval ne '') {
+            my %cenv = (
+                         'internal.'.$item => $newcrsval,
+                       );
+            if (&Apache::lonnet::put('environment',\%cenv,$cdom,$cnum) eq 'ok') {
+                if ($env{'course.'.$cdom.'_'.$cnum.'.description'} ne '') {
+                    &Apache::lonnet::appenv(
+                       {'course.'.$cdom.'_'.$cnum.'.internal.'.$item => $newcrsval});
+                }
+            } else {
+                $error = 1;
+            }
+        } else {
+            if (&Apache::lonnet::del('environment',['internal.'.$item],$cdom,$cnum) eq 'ok') {
+                if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.'.$item})) {
+                    &Apache::lonnet::delenv('course.'.$cdom.'_'.$cnum.'.internal.'.$item);
+                }
+            } else {
+                $error = 1;
+            }
+        }
+    }
+    if ($error) {
+        $nochange = 1;
+    }
+    if ($nochange) {
+        $itemvalue = $oldcrsval;
+    } else {
+        $itemvalue = $newcrsval;
+    }
+    if ($itemvalue eq '') {
+        $status = $titles{'used'}.': '.
+                  '<span style="font-style:italic">'.$domdefdisplay.'</span>';
+    } elsif ($item eq 'crseditors') {
+        $status = $titles{'cour'}.': '.
+                  '<span style="font-style:italic">'.join(', ', map { $titles{$_}; } split(/,/,$itemvalue)).'</span>';
+    } else {
+        $status = $titles{'cour'}.': '.
+                  '<span style="font-style:italic">'.$optiontext->{$itemvalue}.'</span>';
+    }
+    if ($error) {
+        $r->print('<p class="LC_warning">'.&mt('An error occurred when saving your changes').'</p>');
+    }
+    $r->print('<p>');
+    if ($nochange) {
+        $r->print($resulttext{'nochg'});
+    } elsif ($change) {
+        $r->print($resulttext{'chg'});
+    }
+    $r->print('<br />'.$status.'</p>'.
+              &hidden_form_elements().'</form>');
+    my @actions =
+        ('<a href="javascript:changePage(document.process'.$item.','."'menu'".')">'.
+         $titles{'back'}.'</a>');
+    $r->print('<br />'.&Apache::lonhtmlcommon::actionbox(\@actions));
     return;
 }
 
@@ -1062,7 +2695,7 @@ sub print_header {
         $phase = $env{'form.phase'};
     }
     my $js = qq|
-<script type="text/javascript">
+
 function changePage(formname,newphase) {
     formname.phase.value = newphase;
     if (newphase == 'processparms') {
@@ -1070,54 +2703,225 @@ function changePage(formname,newphase) {
     }
     formname.submit();
 }
-</script>
+
 |;
     if ($phase eq 'setparms') {
-	$js .= qq|
-<script  type="text/javascript">
-$javascript_validations
-</script>
-|;
+	$js .= $javascript_validations;
     } elsif ($phase eq 'courselist') {
-        $js .= qq|
-<script type="text/javascript">
-function gochoose(cname,cdom,cdesc) {
-    document.courselist.pickedcourse.value = cdom+'_'+cname;
-    document.courselist.submit();
+        $js .= <<"ENDJS";
+function hide_searching() {
+    if (document.getElementById('searching')) {
+        document.getElementById('searching').style.display = 'none';
+    }
+    return;
 }
-</script>
-|;
+
+ENDJS
     } elsif ($phase eq 'setquota') {
-        $js .= <<'ENDSCRIPT';
-<script type="text/javascript">
-function verify_quota(formname) {
-    var newquota = formname.coursequota.value; 
-    var num_reg = /^\s*(\d+\.?\d*|\.\d+)\s*$/;
-    if (num_reg.test(newquota)) {
-        changePage(formname,'processquota');
+        my $invalid = &mt('The quota you entered contained invalid characters.');
+        my $alert = &mt('You must enter a number');
+        &js_escape(\$invalid);
+        &js_escape(\$alert);
+        my $regexp = '/^\s*(\d+\.?\d*|\.\d+)\s*$/';
+        $js .= <<"ENDSCRIPT";
+
+function verify_quota() {
+    var newcoursequota = document.setquota.coursequota.value;
+    var newuploadquota = document.setquota.uploadquota.value;
+    var num_reg = $regexp;
+    if ((num_reg.test(newcoursequota)) && (num_reg.test(newuploadquota))) {
+        changePage(document.setquota,'processquota');
     } else {
-        alert("The quota you entered contained invalid characters.\nYou must enter a number");
+        alert("$invalid\\n$alert");
+        return false;
+    }
+    return true;
+}
+
+ENDSCRIPT
+    } elsif ($phase eq 'setanon') {
+        my $invalid = &mt('The responder threshold you entered is invalid.');
+        my $alert = &mt('You must enter a positive integer.');
+        &js_escape(\$invalid);
+        &js_escape(\$alert);
+        my $regexp = ' /^\s*\d+\s*$/';
+        $js .= <<"ENDSCRIPT";
+
+function verify_anon_threshold() {
+    var newthreshold = document.setanon.threshold.value;
+    var num_reg = $regexp;
+    if (num_reg.test(newthreshold)) {
+        if (newthreshold > 0) {
+            changePage(document.setanon,'processthreshold');
+        } else {
+            alert("$invalid\\n$alert");
+            return false;
+        }
+    } else {
+        alert("$invalid\\n$alert");
+        return false;
+    }
+    return true;
+}
+
+ENDSCRIPT
+    } elsif ($phase eq 'setpostsubmit') {
+        my $invalid = &mt('The choice entered for disabling the submit button is invalid.');
+        my $invalidtimeout = &mt('The timeout you entered for disabling the submit button is invalid.');
+        my $alert = &mt('Enter one of: a positive integer, 0 (for no timeout), or leave blank to use domain default');
+        &js_escape(\$invalid);
+        &js_escape(\$invalidtimeout);
+        &js_escape(\$alert);
+        my $regexp = ' /^\s*\d+\s*$/';
+
+        $js .= <<"ENDSCRIPT";
+
+function verify_postsubmit() {
+    var optionsElement = document.setpostsubmit.postsubmit;
+    var verified = '';
+    if (optionsElement.length) {
+        var currval;
+        for (var i=0; i<optionsElement.length; i++) {
+            if (optionsElement[i].checked) {
+               currval = optionsElement[i].value;
+            }
+        }
+        if (currval == 1) {
+            var newtimeout = document.setpostsubmit.postsubtimeout.value;
+            if (newtimeout == '') {
+                verified = 'ok';
+            } else {
+                var num_reg = $regexp;
+                if (num_reg.test(newtimeout)) {
+                    if (newtimeout>= 0) {
+                        verified = 'ok';
+                    } else {
+                        alert("$invalidtimeout\\n$alert");
+                        return false;
+                    }
+                } else {
+                    alert("$invalid\\n$alert");
+                    return false;
+                }
+            }
+        } else {
+            if (currval == 0) {
+               verified = 'ok';
+            } else {
+               alert('$invalid');
+               return false;
+            }
+        }
+        if (verified == 'ok') {
+            changePage(document.setpostsubmit,'processpostsubmit');
+            return true;
+        }
+    }
+    return false;
+}
+
+function togglePostsubmit(caller) {
+    var optionsElement = document.setpostsubmit.postsubmit;
+    if (document.getElementById(caller)) {
+        var divitem = document.getElementById(caller);
+        var optionsElement = document.setpostsubmit.postsubmit;
+        if (optionsElement.length) {
+            var currval;
+            for (var i=0; i<optionsElement.length; i++) {
+                if (optionsElement[i].checked) {
+                   currval = optionsElement[i].value;
+                }
+            }
+            if (currval == 1) {
+                divitem.style.display = 'block';
+            } else {
+                divitem.style.display = 'none';
+            }
+        }
     }
     return;
 }
-</script>
+
 ENDSCRIPT
+
+    } elsif (($phase eq 'setltiauth') || ($phase eq 'setexttool') ||
+             ($phase eq 'setcrsauthor') || ($phase eq 'setcrseditors')) {
+        $js .= <<"ENDJS";
+function toggleOptions(form,phase) {
+    var radioname;
+    var divid;
+    if (phase == 'setltiauth') {
+        radioname = 'ltiauthset';
+        divid = 'crsltiauth';
+    } else if (phase == 'setexttool') {
+        radioname = 'exttoolset';
+        divid = 'crsexttool';
+    } else if (phase == 'setcrsauthor') {
+        radioname = 'crsauthorset';
+        divid = 'crscrsauthor';
+    } else if (phase == 'setcrseditors') {
+        radioname = 'crseditorsset';
+        divid = 'crscrseditors';
+    }
+    var num = form.elements[radioname].length;
+    if (num) {
+        var setvis = '';
+        for (var i=0; i<num; i++) {
+            if (form.elements[radioname][i].checked) {
+                if (form.elements[radioname][i].value == 'course') {
+                    if (document.getElementById(divid)) {
+                        document.getElementById(divid).style.display = 'inline-block';
+                    }
+                    setvis = 1;
+                }
+                break;
+            }
+        }
+        if (!setvis) {
+            if (document.getElementById(divid)) {
+                document.getElementById(divid).style.display = 'none';
+            }
+        }
+    }
+    return;
+}
+
+ENDJS
     }
     my $starthash;
-    if ($env{'form.phase'} eq 'ccrole') {
+    if ($env{'form.phase'} eq 'adhocrole') {
+        $starthash = {
+           add_entries => {'onload' => "javascript:document.adhocrole.submit();"},
+                     };
+    } elsif ($phase eq 'courselist') {
         $starthash = {
-           add_entries => {'onload' => "javascript:document.ccrole.submit();"},
+           add_entries => {'onload' => "hide_searching(); courseSet(document.filterpicker.official, 'load');"},
+                     };
+    } elsif ($env{'form.phase'} =~ /^set(ltiauth|exttool|crsauthor|crseditors)$/) {
+        $starthash = {
+           add_entries => {'onload' => "toggleOptions(document.$env{'form.phase'},'$env{'form.phase'}');"},
                      };
     }
     $r->print(&Apache::loncommon::start_page('View/Modify Course/Community Settings',
-					     $js,$starthash));
+					     &Apache::lonhtmlcommon::scripttag($js),
+                                             $starthash));
     my $bread_text = "View/Modify Courses/Communities";
     if ($type eq 'Community') {
         $bread_text = 'Community Settings';
+    } elsif ($type eq 'Placement') {
+        $bread_text = 'Placement Test Settings';
     } else {
         $bread_text = 'Course Settings';
     }
-    $r->print(&Apache::lonhtmlcommon::breadcrumbs($bread_text));
+    my $helpcomponent;
+    if ($env{'form.phase'} eq 'menu') {
+        if ($type eq 'Community') {
+            $helpcomponent = 'Domain_Modify_Community';
+        } else {
+            $helpcomponent = 'Domain_Modify_Course';
+        }
+    }
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs($bread_text,$helpcomponent));
     return;
 }
 
@@ -1128,38 +2932,35 @@ sub print_footer {
 }
 
 sub check_course {
-    my ($r,$dom,$domdesc) = @_;
-    my ($ok_course,$description,$instcode,$owner);
-    my %args = (
-                 one_time => 1,
-               );
-    my %coursehash = 
-        &Apache::lonnet::coursedescription($env{'form.pickedcourse'},\%args);
-    my $cnum = $coursehash{'num'};
-    my $cdom = $coursehash{'domain'};
-    if ($cdom eq $dom) {
-        my $description;
-        my %courseIDs = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',
-                                                      $cnum,undef,undef,'.');
-        if (keys(%courseIDs) > 0) {
-            $ok_course = 'ok';
-            my ($instcode,$owner);
-            if (ref($courseIDs{$cdom.'_'.$cnum}) eq 'HASH') {
-                $description = $courseIDs{$cdom.'_'.$cnum}{'description'};
-                $instcode = $courseIDs{$cdom.'_'.$cnum}{'inst_code'};
-                $owner = $courseIDs{$cdom.'_'.$cnum}{'owner'};          
-            } else {
-                ($description,$instcode,$owner) = 
-                                   split(/:/,$courseIDs{$cdom.'_'.$cnum});
-            }
-            $description = &unescape($description);
-            $instcode = &unescape($instcode);
-            if ($instcode) {
-                $description .= " ($instcode)";
+    my ($dom,$domdesc) = @_;
+    my ($ok_course,$description,$instcode);
+    my %coursehash;
+    if ($env{'form.pickedcourse'} =~ /^$match_domain\_$match_courseid$/) {
+        my %args;
+        unless ($env{'course.'.$env{'form.pickedcourse'}.'.description'}) {
+            %args = (
+                      'one_time'      => 1,
+                      'freshen_cache' => 1,
+                    );
+        }
+        %coursehash =
+           &Apache::lonnet::coursedescription($env{'form.pickedcourse'},\%args);
+        my $cnum = $coursehash{'num'};
+        my $cdom = $coursehash{'domain'};
+        $description = $coursehash{'description'};
+        $instcode = $coursehash{'internal.coursecode'};
+        if ($instcode) {
+            $description .= " ($instcode)";
+        }
+        if (($cdom eq $dom) && ($cnum =~ /^$match_courseid$/)) {
+            my %courseIDs = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',
+                                                          $cnum,undef,undef,'.');
+            if ($courseIDs{$cdom.'_'.$cnum}) {
+                $ok_course = 'ok';
             }
-            return ($ok_course,$description);
         }
     }
+    return ($ok_course,$description,\%coursehash);
 }
 
 sub course_settings_descrip {
@@ -1167,9 +2968,12 @@ sub course_settings_descrip {
     my %longtype;
     if ($type eq 'Community') {
          %longtype = &Apache::lonlocal::texthash(
-                      'courseowner' => "Username:domain of community owner",
+                      'courseowner'      => "Username:domain of community owner",
+                      'co-owners'        => "Username:domain of each co-owner",
+                      'selfenrollmgrdc'  => "Community-specific self-enrollment configuration by Domain Coordinator",
+                      'selfenrollmgrcc'  => "Community-specific self-enrollment configuration by Community personnel",
+                      'mysqltables'      => '"Temporary" student performance tables lifetime (seconds)',
          );
-
     } else {
          %longtype = &Apache::lonlocal::texthash(
                       'authtype' => 'Default authentication method',
@@ -1182,23 +2986,114 @@ sub course_settings_descrip {
                       'default_enrollment_end_date' => 'Date of last student access',
                       'coursecode' => 'Official course code',
                       'courseowner' => "Username:domain of course owner",
+                      'co-owners'   => "Username:domain of each co-owner",
                       'notifylist' => 'Course Coordinators to be notified of enrollment changes',
                       'sectionnums' => 'Course section number:LON-CAPA section',
                       'crosslistings' => 'Crosslisted class:LON-CAPA section',
+                      'defaultcredits' => 'Credits',
+                      'autodropfailsafe' => "Failsafe section enrollment count",
+                      'selfenrollmgrdc'  => "Course-specific self-enrollment configuration by Domain Coordinator",
+                      'selfenrollmgrcc'  => "Course-specific self-enrollment configuration by Course personnel",
+                      'mysqltables'      => '"Temporary" student performance tables lifetime (seconds)',
+                      'nopasswdchg' => 'Disable changing password for users with student role by course owner',
          );
     }
     return %longtype;
 }
 
 sub hidden_form_elements {
-    my $hidden_elements = 
+    my $hidden_elements =
       &Apache::lonhtmlcommon::echo_form_input(['gosearch','updater','coursecode',
           'prevphase','numlocalcc','courseowner','login','coursequota','intarg',
-          'locarg','krbarg','krbver','counter','hidefromcat','usecategory'])."\n".
+          'locarg','krbarg','krbver','counter','hidefromcat','usecategory',
+          'threshold','postsubmit','postsubtimeout','defaultcredits','uploadquota',
+          'selfenrollmgrdc','selfenrollmgrcc','action','state','currsec_st',
+          'sections','newsec','mysqltables','nopasswdchg','ltiauth','ltiauthset',
+          'exttoolset','exttool','crsauthorset','crsauthor','crseditorsset','crseditors'],
+           ['^selfenrollmgr_','^selfenroll_'])."\n".
           '<input type="hidden" name="prevphase" value="'.$env{'form.phase'}.'" />';
     return $hidden_elements;
 }
 
+sub showcredits {
+    my ($dom) = @_;
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+    if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
+        return 1;
+    }
+}
+
+sub get_permission {
+    my ($dom) = @_;
+    my ($allowed,%permission);
+    my %passwdconf = &Apache::lonnet::get_passwdconf($dom);
+    if (&Apache::lonnet::allowed('ccc',$dom)) {
+        $allowed = 1;
+        %permission = (
+            setquota          => 'edit',
+            processquota      => 'edit',
+            setanon           => 'edit',
+            processthreshold  => 'edit',
+            setpostsubmit     => 'edit',
+            processpostsubmit => 'edit',
+            viewparms         => 'view',
+            setparms          => 'edit',
+            processparms      => 'edit',
+            catsettings       => 'edit',
+            processcat        => 'edit',
+            selfenroll        => 'edit',
+            adhocrole         => 'coord',
+            setltiauth        => 'edit',
+            processltiauth    => 'edit',
+            setexttool        => 'edit',
+            processexttool    => 'edit',
+            setcrsauthor      => 'edit',
+            processcrsauthor  => 'edit',
+            setcrseditors     => 'edit',
+            processcrseditors => 'edit', 
+        );
+        if ($passwdconf{'crsownerchg'}) {
+            $permission{passwdchg} = 'edit';
+        }
+    } elsif (&Apache::lonnet::allowed('rar',$dom)) {
+        $allowed = 1;
+        %permission = (
+            setquota      => 'view',
+            viewparms     => 'view',
+            setanon       => 'view',
+            setpostsubmit => 'view',
+            setparms      => 'view',
+            catsettings   => 'view',
+            selfenroll    => 'view',
+            adhocrole     => 'custom',
+            setltiauth    => 'view',
+            setexttool    => 'view',
+            setcrsauthor  => 'view',
+            setcrseditors => 'view',
+        );
+        if ($passwdconf{'crsownerchg'}) {
+            $permission{passwdchg} = 'view';
+        }
+    }
+    return ($allowed,\%permission);
+}
+
+sub devalidate_remote_instcats {
+    if ($modified_dom ne '') {
+        my %servers = &Apache::lonnet::internet_dom_servers($modified_dom);
+        my %thismachine;
+        map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
+        if (keys(%servers)) {
+            foreach my $server (keys(%servers)) {
+                next if ($thismachine{$server});
+                &Apache::lonnet::remote_devalidate_cache($server,['instcats:'.$modified_dom]);
+            }
+        }
+        $modified_dom = '';
+    }
+    return;
+}
+
 sub handler {
     my $r = shift;
     if ($r->header_only) {
@@ -1206,9 +3101,14 @@ sub handler {
         $r->send_http_header;
         return OK;
     }
+
+    $registered_cleanup=0;
+    $modified_dom = '';
+
     my $dom = $env{'request.role.domain'};
     my $domdesc = &Apache::lonnet::domain($dom,'description');
-    if (&Apache::lonnet::allowed('ccc',$dom)) {
+    my ($allowed,$permission) = &get_permission($dom);
+    if ($allowed) {
         &Apache::loncommon::content_type($r,'text/html');
         $r->send_http_header;
 
@@ -1235,22 +3135,26 @@ sub handler {
             }
             if ($type eq 'Community') {
                 $choose_text = "Choose a community";
+            } elsif ($type eq 'Placement') {
+                $choose_text = "Choose a placement test";
             } else {
                 $choose_text = "Choose a course";
-            } 
+            }
             &Apache::lonhtmlcommon::add_breadcrumb
             ({href=>"javascript:changePage(document.$firstform,'')",
               text=>"Course/Community search"},
               {href=>"javascript:changePage(document.$phase,'courselist')",
               text=>$choose_text});
             if ($phase eq 'courselist') {
-                &print_course_selection_page($r,$dom,$domdesc);
+                &print_course_selection_page($r,$dom,$domdesc,$permission);
             } else {
-                my ($checked,$cdesc) = &check_course($r,$dom,$domdesc);
+                my ($checked,$cdesc,$coursehash) = &check_course($dom,$domdesc);
                 if ($checked eq 'ok') {
                     my $enter_text;
                     if ($type eq 'Community') {
                         $enter_text = 'Enter community';
+                    } elsif ($type eq 'Placement') {
+                        $enter_text = 'Enter placement test';
                     } else {
                         $enter_text = 'Enter course';
                     }
@@ -1258,23 +3162,34 @@ sub handler {
                         &Apache::lonhtmlcommon::add_breadcrumb
                         ({href=>"javascript:changePage(document.$phase,'menu')",
                           text=>"Pick action"});
-                        &print_modification_menu($r,$cdesc,$domdesc,$dom,$type);
-                    } elsif ($phase eq 'ccrole') {
+                        &print_modification_menu($r,$cdesc,$domdesc,$dom,$type,
+                                                 $env{'form.pickedcourse'},$coursehash,
+                                                 $permission);
+                    } elsif ($phase eq 'adhocrole') {
                         &Apache::lonhtmlcommon::add_breadcrumb
-                         ({href=>"javascript:changePage(document.$phase,'ccrole')",
+                         ({href=>"javascript:changePage(document.$phase,'adhocrole')",
                            text=>$enter_text});
-                        &print_ccrole_selected($r,$type);
+                        &print_adhocrole_selected($r,$type,$permission);
                     } else {
                         &Apache::lonhtmlcommon::add_breadcrumb
                         ({href=>"javascript:changePage(document.$phase,'menu')",
                           text=>"Pick action"});
                         my ($cdom,$cnum) = split(/_/,$env{'form.pickedcourse'});
-                        if ($phase eq 'setquota') {
+                        my ($readonly,$linktext);
+                        if ($permission->{$phase} eq 'view') {
+                           $readonly = 1;
+                        }
+                        if (($phase eq 'setquota') && ($permission->{'setquota'})) {
+                            if ($permission->{'setquota'} eq 'view') {
+                                $linktext = 'Set quota';
+                            } else {
+                                $linktext = 'Display quota';
+                            }
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
-                              text=>"Set quota"});
-                            &print_setquota($r,$cdom,$cnum,$cdesc,$type);
-                        } elsif ($phase eq 'processquota') { 
+                              text=>$linktext});
+                            &print_setquota($r,$cdom,$cnum,$cdesc,$type,$readonly);
+                        } elsif (($phase eq 'processquota') && ($permission->{'processquota'})) {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'setquota')",
                               text=>"Set quota"});
@@ -1282,17 +3197,50 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Result"});
                             &modify_quota($r,$cdom,$cnum,$cdesc,$domdesc,$type);
-                        } elsif ($phase eq 'viewparms') {  
+                        } elsif (($phase eq 'setanon') && ($permission->{'setanon'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Threshold for anonymous submissions display"});
+                            &print_set_anonsurvey_threshold($r,$cdom,$cnum,$cdesc,$type,$readonly);
+                        } elsif (($phase eq 'processthreshold') && ($permission->{'processthreshold'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'setanon')",
+                              text=>"Threshold for anonymous submissions display"});
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_anonsurvey_threshold($r,$cdom,$cnum,$cdesc,$domdesc,$type);
+                        } elsif (($phase eq 'setpostsubmit') && ($permission->{'setpostsubmit'})) {
+                            if ($permission->{'setpostsubmit'} eq 'view') {
+                                $linktext = 'Submit button behavior post-submission';
+                            } else {
+                                $linktext = 'Configure submit button behavior post-submission';
+                            }
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>$linktext});
+                            &print_postsubmit_config($r,$cdom,$cnum,$cdesc,$type,$readonly);
+                        } elsif (($phase eq 'processpostsubmit') && ($permission->{'processpostsubmit'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_postsubmit_config($r,$cdom,$cnum,$cdesc,$domdesc,$type);
+                        } elsif (($phase eq 'viewparms') && ($permission->{'viewparms'})) {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'viewparms')",
                               text=>"Display settings"});
-                            &print_settings_display($r,$cdom,$cnum,$cdesc,$type);
-                        } elsif ($phase eq 'setparms') {
+                            &print_settings_display($r,$cdom,$cnum,$cdesc,$type,$permission);
+                        } elsif (($phase eq 'setparms') && ($permission->{'setparms'})) {
+                            if ($permission->{'setparms'} eq 'view') {
+                                $linktext = 'Display settings';
+                            } else {
+                                $linktext = 'Change settings';
+                            }
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
-                              text=>"Change settings"});
-                            &print_course_modification_page($r,$cdom,$cnum,$cdesc,$type);
-                        } elsif ($phase eq 'processparms') {
+                              text=>$linktext});
+                            &print_course_modification_page($r,$cdom,$cnum,$cdesc,$type,$readonly);
+                        } elsif (($phase eq 'processparms') && ($permission->{'processparms'})) {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'setparms')",
                               text=>"Change settings"});
@@ -1300,12 +3248,12 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Result"});
                             &modify_course($r,$cdom,$cnum,$cdesc,$domdesc,$type);
-                        } elsif ($phase eq 'catsettings') {
+                        } elsif (($phase eq 'catsettings') && ($permission->{'catsettings'})) {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Catalog settings"});
-                            &print_catsettings($r,$cdom,$cnum,$cdesc,$type);
-                        } elsif ($phase eq 'processcat') {
+                            &print_catsettings($r,$cdom,$cnum,$cdesc,$type,$readonly);
+                        } elsif (($phase eq 'processcat') && ($permission->{'processcat'})) {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'catsettings')",
                               text=>"Catalog settings"});
@@ -1313,14 +3261,76 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Result"});
                             &modify_catsettings($r,$cdom,$cnum,$cdesc,$domdesc,$type);
+                        } elsif (($phase eq 'selfenroll') && ($permission->{'selfenroll'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href => "javascript:changePage(document.$phase,'$phase')",
+                              text => "Self-enrollment settings"});
+                            if (!exists($env{'form.state'})) {
+                                &print_selfenrollconfig($r,$type,$cdesc,$coursehash,$readonly);
+                            } elsif ($env{'form.state'} eq 'done') {
+                                &Apache::lonhtmlcommon::add_breadcrumb
+                                ({href=>"javascript:changePage(document.$phase,'$phase')",
+                                  text=>"Result"});
+                                &modify_selfenrollconfig($r,$type,$cdesc,$coursehash);
+                            }
+                        } elsif (($phase eq 'setltiauth') && ($permission->{'setltiauth'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Authentication post-LTI launch"});
+                            &print_default_overrides($r,$cdom,$cnum,$cdesc,$type,$readonly,'ltiauth');
+                        } elsif (($phase eq 'processltiauth') && ($permission->{'processltiauth'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'setltiauth')",
+                              text=>"Authentication post-LTI launch"},
+                             {href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_default_overrides($r,$cdom,$cnum,$cdesc,$domdesc,$type,'ltiauth');
+                        } elsif (($phase eq 'setexttool') && ($permission->{'setexttool'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"External Tool permission"});
+                            &print_default_overrides($r,$cdom,$cnum,$cdesc,$type,$readonly,'exttool');
+                        } elsif (($phase eq 'processexttool') && ($permission->{'processexttool'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'setexttool')",
+                              text=>"External Tool permission"},
+                             {href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_default_overrides($r,$cdom,$cnum,$cdesc,$domdesc,$type,'exttool');
+                        } elsif (($phase eq 'setcrsauthor') && ($permission->{'setcrsauthor'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"In-course authoring permission"});
+                            &print_default_overrides($r,$cdom,$cnum,$cdesc,$type,$readonly,'crsauthor');
+                        } elsif (($phase eq 'processcrsauthor') && ($permission->{'processcrsauthor'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'setcrsauthor')",
+                              text=>"In-course authoring permission"},
+                             {href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_default_overrides($r,$cdom,$cnum,$cdesc,$domdesc,$type,'crsauthor');
+                        } elsif (($phase eq 'setcrseditors') && ($permission->{'setcrseditors'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Available course resource editors"});
+                            &print_default_overrides($r,$cdom,$cnum,$cdesc,$type,$readonly,'crseditors');
+                        } elsif (($phase eq 'processcrseditors') && ($permission->{'processcrseditors'})) {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'setcrseditors')",
+                              text=>"Available course resource editors"},
+                             {href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_default_overrides($r,$cdom,$cnum,$cdesc,$domdesc,$type,'crseditors');
                         }
                     }
                 } else {
                     $r->print('<span class="LC_error">');
                     if ($type eq 'Community') {
-                        $r->print(&mt('The course you selected is not a valid course in this domain'));
-                    } else {
                         $r->print(&mt('The community you selected is not a valid community in this domain'));
+                    } elsif ($type eq 'Placement') {
+                        $r->print(&mt('The course you selected is not a valid placement test in this domain'));
+                    } else {
+                        $r->print(&mt('The course you selected is not a valid course in this domain'));
                     }
                     $r->print(" ($domdesc)</span>");
                 }