--- loncom/interface/lonmodifycourse.pm	2013/03/01 05:01:26	1.60
+++ loncom/interface/lonmodifycourse.pm	2015/06/09 21:22:56	1.78
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # handler for DC-only modifiable course settings
 #
-# $Id: lonmodifycourse.pm,v 1.60 2013/03/01 05:01:26 raeburn Exp $
+# $Id: lonmodifycourse.pm,v 1.78 2015/06/09 21:22:56 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,16 +34,17 @@ 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);
 
 sub get_dc_settable {
     my ($type,$cdom) = @_;
     if ($type eq 'Community') {
-        return ('courseowner');
+        return ('courseowner','selfenrollmgrdc','selfenrollmgrcc');
     } else {
-        my @items = ('courseowner','coursecode','authtype','autharg');
+        my @items = ('courseowner','coursecode','authtype','autharg','selfenrollmgrdc','selfenrollmgrcc');
         if (&showcredits($cdom)) {
             push(@items,'defaultcredits');
         }
@@ -122,6 +123,8 @@ sub get_enrollment_settings {
                 if (&showcredits($cdom)) {
                     $enrollvar{$type} = $settings{$item};
                 }
+            } elsif ($type eq 'selfenrollmgr') {
+                $enrollvar{$type} = $settings{$item};    
             } elsif ($type eq 'courseowner') {
                 if ($settings{$item} =~ /^[^:]+:[^:]+$/) {
                     $enrollvar{$type} = $settings{$item};
@@ -153,10 +156,7 @@ sub print_course_search_page {
         $type = 'Course';
     }
     &print_header($r,$type);
-    my $filterlist = ['descriptfilter',
-                      'instcodefilter','ownerfilter',
-                      'coursefilter'];
-    my $filter = {};
+    my ($filterlist,$filter) = &get_filters($dom);
     my ($numtitles,$cctitle,$dctitle,@codetitles);
     my $ccrole = 'cc';
     if ($type eq 'Community') {
@@ -164,15 +164,15 @@ sub print_course_search_page {
     }
     $cctitle = &Apache::lonnet::plaintext($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>');
     } 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',
-                             undef,undef,undef,\@codetitles));
+    }
+    $r->print(&Apache::loncommon::build_filters($filterlist,$type,undef,undef,$filter,$action,
+                                                \$numtitles,'modifycourse',undef,undef,undef,
+                                                \@codetitles,$dom));
     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".
@@ -184,6 +184,7 @@ sub print_course_search_page {
                   '<li>'.&mt('View or modify course settings which only a [_1] may modify.',$dctitle).
                   '</li>'."\n".'</ul>');
     }
+    return;
 }
 
 sub print_course_selection_page {
@@ -195,56 +196,88 @@ sub print_course_selection_page {
     &print_header($r,$type);
 
 # Criteria for course search 
-    my $filterlist = ['descriptfilter',
-                      'instcodefilter','ownerfilter',
-                      'ownerdomfilter','coursefilter'];
-    my %filter;
+    my ($filterlist,$filter) = &get_filters();
     my $action = '/adm/modifycourse';
     my $dctitle = &Apache::lonnet::plaintext('dc');
     my ($numtitles,@codetitles);
-    $r->print(&Apache::lonpickcourse::js_changer());
+    $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,
-                                       undef,undef,undef,undef,\@codetitles));
-    $filter{'domainfilter'} = $dom;
-    my %courses = &Apache::lonpickcourse::search_courses($r,$type,0,
-                                                         \%filter,$numtitles,undef,
-                                                         undef,undef,\@codetitles);
+    $r->print(&Apache::loncommon::build_filters($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);
+                                                    undef,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) = @_;
     &print_header($r,$type);
-    my ($ccrole,$categorytitle,$setquota_text,$setparams_text,$cat_text);
+    my ($ccrole,$categorytitle,$setquota_text,$setuploadquota_text,$setparams_text,$cat_text,
+        $cdom,$cnum);
+    if (ref($coursehash) eq 'HASH') {
+        $cdom = $coursehash->{'domain'};
+        $cnum = $coursehash->{'num'};
+    } else {
+         ($cdom,$cnum) = split(/_/,$cid);
+    }
     if ($type eq 'Community') {
         $ccrole = 'co';
     } else {
         $ccrole = 'cc';
-    } 
+    }
     if ($type eq 'Community') {
         $categorytitle = 'View/Modify Community Settings';
         $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.'); 
         $setparams_text = 'View/Modify community owner';
         $cat_text = 'View/Modify catalog settings for community';
     } else {
         $categorytitle = 'View/Modify Course Settings';
         $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a course.');
+        $setuploadquota_text = &mt('Disk space allocated for storage of content uploaded directly to a course via Content Editor.');
         if (&showcredits($dom)) {
-            $setparams_text = 'View/Modify course owner, institutional code, and default authentication and credits';
+            $setparams_text = 'View/Modify course owner, institutional code, default authentication, credits, and self-enrollment';
         } else {
-            $setparams_text = 'View/Modify course owner, institutional code, and default authentication';
+            $setparams_text = 'View/Modify course owner, institutional code, default authentication, and self-enrollment';
         }
         $cat_text = 'View/Modify catalog settings for course';
     }
-    my $anon_text = 'Responder threshold required to display anonymous survey submissions';
+    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 %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
     my @additional_params = &catalog_settable($domconf{'coursecategories'},$type);
 
+    sub manage_selfenrollment {
+        my ($cdom,$cnum,$type,$coursehash) = @_;
+        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;
+    }
+
     sub phaseurl {
         my $phase = shift;
         return "javascript:changePage(document.menu,'$phase')"
@@ -261,7 +294,7 @@ sub print_modification_menu {
                 linktitle => ''
             },
             {
-                linktext => 'View/Modify quota for group portfolio files',
+                linktext => 'View/Modify quotas for group portfolio files, and for uploaded content.',
                 url => &phaseurl('setquota'),
                 permission => 1,
                 #help => '',
@@ -292,6 +325,22 @@ sub print_modification_menu {
                 icon => 'roles.png',
                 linktitle => ''
             },
+            {
+                linktext => 'View/Modify Self-Enrollment configuration',
+                icon => 'self_enroll.png',
+                #help => 'Course_Self_Enrollment',
+                url => &phaseurl('selfenroll'),
+                permission => &manage_selfenrollment($cdom,$cnum,$type,$coursehash),
+                linktitle => 'Configure user self-enrollment.',
+            },
+            {
+                linktext => 'View/Modify submit button behavior, post-submission',
+                icon => 'emblem-readonly.png',
+                #help => '',
+                url => &phaseurl('setpostsubmit'),
+                permission => 1,
+                linktitle => '',
+            },
         ]
         },
         );
@@ -308,16 +357,20 @@ sub print_modification_menu {
     }
     $menu_html .= '</p>'."\n".'<ul>';
     if ($type eq 'Community') {
-        $menu_html .= '<li>'.&mt('Community owner (permitted to assign Coordinator roles in the community).').'</li>';
+        $menu_html .= '<li>'.&mt('Community owner (permitted to assign Coordinator roles in the community).').'</li>'."\n".
+                      '<li>'.&mt('Override defaults for who configures self-enrollment for this specific community').'</li>'."\n";
     } 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>';
+        $menu_html .=  '<li>'.&mt('Course owner (permitted to assign Course Coordinator roles in the course).').'</li>'."\n".
+                       '<li>'.&mt("Institutional code and default authentication (both required for auto-enrollment of students from institutional datafeeds).").'</li>'."\n";
         if (&showcredits($dom)) {
-            $menu_html .= '<li>'.&mt('Default credits earned by student on course completion.').'</li>';
+            $menu_html .= '<li>'.&mt('Default credits earned by student on course completion.').'</li>'."\n";
         }
+        $menu_html .= ' <li>'.&mt('Override defaults for who configures self-enrollment for this specific course.').'</li>'."\n";
     }
-    $menu_html .= '<li>'.$setquota_text.'</li>'.
-                  '<li>'.$anon_text.'</li>'."\n";
+    $menu_html .= '<li>'.$setquota_text.'</li>'."\n".
+                  '<li>'.$setuploadquota_text.'</li>'."\n".
+                  '<li>'.$anon_text.'</li>'."\n".
+                  '<li>'.$postsubmit_text.'</li>'."\n";
     foreach my $item (@additional_params) {
         if ($type eq 'Community') {
             if ($item eq 'togglecats') {
@@ -406,9 +459,9 @@ sub print_settings_display {
               '<p>'.$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>');
     if (&showcredits($cdom)) {
-        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, and default authentication and credits[_3].',$dctitle,'<a href="javascript:changePage(document.viewparms,'."'setparms'".');">','</a>')."\n");
+        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, default authentication, credits, and self-enrollment[_3].',$dctitle,'<a href="javascript:changePage(document.viewparms,'."'setparms'".');">','</a>')."\n");
     } else {
-        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, and default authentication[_3].',$dctitle,'<a href="javascript:changePage(document.viewparms,'."'setparms'".');">','</a>')."\n");
+        $r->print('<li>'.&mt('Settings modifiable by a [_1] via [_2]View/Modify course owner, institutional code, default authentication, and self-enrollment[_3].',$dctitle,'<a href="javascript:changePage(document.viewparms,'."'setparms'".');">','</a>')."\n");
     }
     $r->print('</li></ul></p>'.
               '<p>'.$lt{'cour'}.'</p><p>'.$disp_table.'</p><p>'.
@@ -420,28 +473,50 @@ sub print_settings_display {
 
 sub print_setquota {
     my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my $lctype = lc($type);
+    my $headline = &mt("Set disk space quotas for $lctype: [_1]",
+                     '<span class="LC_nobreak">'.$cdesc.'</span>');
     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'};
+    my $uploadquota = $settings{'internal.uploadquota'};
     if ($coursequota eq '') {
-        $coursequota = 20;
+        $coursequota = $staticdefaults{'coursequota'};
+    }
+    if ($uploadquota eq '') {
+        my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
+        my $quotatype = &Apache::lonuserutils::get_extended_type($cdom,$cnum,$type,\%settings);
+        $uploadquota = $domdefs{$quotatype.'quota'};
+        if ($uploadquota eq '') {
+            $uploadquota = $staticdefaults{'uploadquota'};
+        }
     }
     &print_header($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');
     $r->print(<<ENDDOCUMENT);
 <form action="/adm/modifycourse" method="post" name="setquota" onsubmit="return verify_quota();">
-<h3>$lt{'cquo'} <span class="LC_nobreak">$cdesc</span></h3>
+<h3>$headline</h3>
+<p><span class="LC_nobreak">
+$porthelpitem $lt{'gpqu'}: <input type="text" size="4" name="coursequota" value="$coursequota" /> MB
+</span>
+<br />
+<span class="LC_nobreak">
+$uploadhelpitem $lt{'upqu'}: <input type="text" size="4" name="uploadquota" value="$uploadquota" /> MB
+</span>
+</p>
 <p>
-$helpitem $lt{'gpqu'}: <input type="text" size="4" name="coursequota" value="$coursequota" /> Mb &nbsp;&nbsp;&nbsp;&nbsp;
 <input type="submit" value="$lt{'modi'}" />
 </p>
 $hidden_elements
@@ -490,6 +565,98 @@ ENDDOCUMENT
     return;
 }
 
+sub print_postsubmit_config {
+    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my %lt = &Apache::lonlocal::texthash (
+                'conf' => 'Configure submit button behavior after student makes a submission',
+                'disa' => 'Disable submit button/keypress following student submission',
+                'nums' => 'Number of seconds submit is disabled',
+                'modi' => 'Save',
+                'back' => 'Pick another action',
+                'yes'  => 'Yes',
+                'no'   => 'No',
+    );
+    my %settings = &Apache::lonnet::get('environment',['internal.postsubmit','internal.postsubtimeout',
+                                                       'internal.coursecode','internal.textbook'],$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 $helpitem = &Apache::loncommon::help_open_topic('Modify_Postsubmit_Config');
+    $r->print(<<ENDDOCUMENT);
+<form action="/adm/modifycourse" method="post" name="setpostsubmit" onsubmit="return verify_postsubmit();">
+<h3>$lt{'conf'} <span class="LC_nobreak">($cdesc)</span></h3>
+<p>
+$helpitem $lt{'disa'}: 
+<label><input type="radio" name="postsubmit" $checkedon onclick="togglePostsubmit('studentsubmission');" value="1" />
+$lt{'yes'}</label>&nbsp;&nbsp;
+<label><input type="radio" name="postsubmit" $checkedoff onclick="togglePostsubmit('studentsubmission');" value="0" />
+$lt{'no'}</label>
+<div id="studentsubmission" style="display: $display">
+$lt{'nums'} <input type="text" name="postsubtimeout" value="$postsubtimeout" /><br />
+$zero</div>
+<br />     
+<input type="submit" value="$lt{'modi'}" />
+</p>
+$hidden_elements
+<a href="javascript:changePage(document.setpostsubmit,'menu')">$lt{'back'}</a>
+</form>
+ENDDOCUMENT
+    return;
+}
+
+sub domain_postsubtimeout {
+    my ($cdom,$type,$settings) = @_;
+    return unless (ref($settings) eq 'HASH'); 
+    my $lctype = lc($type);
+    unless ($type eq 'Community') {
+        $lctype = 'unofficial';
+        if ($settings->{'internal.coursecode'}) {
+            $lctype = 'official';
+        } elsif ($settings->{'internal.textbook'}) {
+            $lctype = 'textbook';
+        }
+    }
+    my %domconfig =
+        &Apache::lonnet::get_dom('configuration',['coursedefaults'],$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 $postsubtimeout;
+}
+
 sub print_catsettings {
     my ($r,$cdom,$cnum,$cdesc,$type) = @_;
     &print_header($r,$type);
@@ -569,7 +736,7 @@ sub print_catsettings {
 }
 
 sub print_course_modification_page {
-    my ($r,$cdom,$cnum,$cdesc,$type) = @_;
+    my ($r,$cdom,$cnum,$cdesc,$crstype) = @_;
     my %lt=&Apache::lonlocal::texthash(
             'actv' => "Active",
             'inac' => "Inactive",
@@ -579,17 +746,28 @@ 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,$ccname);
     my %enrollvar = &get_enrollment_settings($cdom,$cnum);
-    if ($type eq 'Community') {
+    my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.textbook',
+                                                       'internal.selfenrollmgrdc','internal.selfenrollmgrcc'],
+                                        $cdom,$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($cdom);
+    my @default_managebydc = split(/,/,$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);
     }
-    $ccname = &Apache::lonnet::plaintext($ccrole,$type);
+    $ccname = &Apache::lonnet::plaintext($ccrole,$crstype);
     my %roleshash = &Apache::lonnet::get_my_roles($cnum,$cdom,'','',[$ccrole]);
     my (@local_ccs,%cc_status,%pname);
     foreach my $item (keys(%roleshash)) {
@@ -642,14 +820,14 @@ 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 $mainheader = &modifiable_only_title($crstype);
     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>'.
               &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");
@@ -657,7 +835,7 @@ sub print_course_modification_page {
         $r->print(&Apache::lonhtmlcommon::row_title(
                       &Apache::loncommon::help_open_topic('Modify_Course_Instcode').
                       '&nbsp;'.&mt('Course Code'))."\n".
-                  '<input type="text" size="10" name="coursecode" value="'.$enrollvar{'coursecode'}.'" />'.
+                  '<input type="text" size="15" name="coursecode" value="'.$enrollvar{'coursecode'}.'" />'.
                   &Apache::lonhtmlcommon::row_closure());
         if (&showcredits($cdom)) {
             $r->print(&Apache::lonhtmlcommon::row_title(
@@ -675,10 +853,59 @@ sub print_course_modification_page {
                    &Apache::loncommon::help_open_topic('Modify_Course_Owner').
                       '&nbsp;'.&mt('Course Owner'))."\n");
     }
-    $r->print($ownertable."\n".&Apache::lonhtmlcommon::row_closure(1).
+    my ($cctitle,$rolename,$currmanages,$ccchecked,$dcchecked,$defaultchecked);
+    my ($selfenrollrows,$selfenrolltitles) = &Apache::lonuserutils::get_selfenroll_titles();
+    if ($type eq 'Community') {
+        $cctitle = &mt('Community personnel');
+    } else {
+        $cctitle = &mt('Course personnel');
+    }
+
+    $r->print($ownertable."\n".&Apache::lonhtmlcommon::row_closure().
+              &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}.' />'.
+                      $optionname{$option}.'</label></span><br />');
+        }
+        $r->print('</td>'."\n".
+                  &Apache::loncommon::end_data_table_row()."\n");
+    }
+    $r->print(&Apache::loncommon::end_data_table()."\n".
+              '<br />'.&Apache::lonhtmlcommon::row_closure(1).
               &Apache::lonhtmlcommon::end_pick_box().'</p><p>'.$hidden_elements.
               '<input type="button" onclick="javascript:changePage(this.form,'."'processparms'".');');
-    if ($type eq 'Community') {
+    if ($crstype eq 'Community') {
         $r->print('this.form.submit();"');
     } else {
         $r->print('javascript:verify_message(this.form);"');
@@ -687,6 +914,62 @@ sub print_course_modification_page {
     return;
 }
 
+sub print_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);
+    $r->print('<h3>'.&mt('Self-enrollment with a student role in: [_1]',
+              '<span class="LC_nobreak">'.$cdesc.'</span>').'</h3>'."\n");
+    &Apache::loncreateuser::print_selfenroll_menu($r,'domain',$env{'form.pickedcourse'},
+                                                  $cdom,$cnum,\%currsettings,
+                                                  &hidden_form_elements());
+    return;
+}
+
+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);
+    $r->print('<h3>'.&mt('Self-enrollment with a student role in: [_1]',
+             '<span class="LC_nobreak">'.$cdesc.'</span>').'</h3>'."\n");
+    $r->print('<form action="/adm/modifycourse" method="post" name="selfenroll">'."\n".
+              &hidden_form_elements().'<br />');
+    &Apache::loncreateuser::update_selfenroll_config($r,$env{'form.pickedcourse'},
+                                                     $cdom,$cnum,'domain',$type,\%currsettings);
+    $r->print('</form>');
+    return;
+}
+
+sub get_selfenroll_settings {
+    my ($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 $dctitle = &Apache::lonnet::plaintext('dc');
@@ -740,7 +1023,9 @@ sub modify_course {
     my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
     my %longtype = &course_settings_descrip($type);
     my @items = ('internal.courseowner','description','internal.co-owners',
-                 'internal.pendingco-owners');
+                 'internal.pendingco-owners','internal.selfenrollmgrdc',
+                 'internal.selfenrollmgrcc');
+    my ($selfenrollrows,$selfenrolltitles) = &Apache::lonuserutils::get_selfenroll_titles();
     unless ($type eq 'Community') {
         push(@items,('internal.coursecode','internal.authtype','internal.autharg',
                      'internal.sectionnums','internal.crosslistings'));
@@ -815,9 +1100,32 @@ sub modify_course {
             $newattr{'defaultcredits'} =~ s/[^\d\.]//g;
             $newattr{'defaultcredits'}=$env{'form.defaultcredits'};
         }
+    }
+
+    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'} ) {
@@ -851,10 +1159,10 @@ 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);
@@ -868,11 +1176,32 @@ 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');
+                    }
+                    $chgresponse .= '<li>'.&mt('[_1] now set to: [_2]',$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');
+                    }
+                    $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
                 }
             }
             if (($type ne 'Community') && ($changed{'code'} || $changed{'owner'})) {
@@ -935,7 +1264,15 @@ 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');
+            }
+            $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
         }
     }
 
@@ -964,22 +1301,40 @@ sub modify_course {
     $reply = '<h3>'.$mainheader.' <span class="LC_nobreak">'.$cdesc.'</span></h3>'."\n".
              '<p>'.$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 .= &Apache::lonhtmlcommon::actionbox(\@actions).'</form>';
     $r->print($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'));
@@ -1126,58 +1481,104 @@ sub update_coowners {
 sub modify_quota {
     my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
     &print_header($r,$type);
+    my $lctype = lc($type);
+    my $headline = &mt("Disk space quotas for $lctype: [_1]",
+                     '<span class="LC_nobreak">'.$cdesc.'</span>');
     $r->print('<form action="/adm/modifycourse" method="post" name="processquota">'."\n".
-              '<h3>'.&mt('Disk space for storage of group portfolio files for:').
-              ' <span class="LC_nobreak">'.$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'}));
+              '<h3>'.$headline.'</h3>');
+    my %oldsettings = &Apache::lonnet::get('environment',['internal.coursequota','internal.uploadquota'],$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 {
-                my %cenv = (
-                           'internal.coursequota' => $env{'form.coursequota'},
-                           );
-                my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,
-                                                    $cnum);
-                if (($oldsettings{'internal.coursequota'} eq '') && 
-                    ($env{'form.coursequota'} == $defaultquota)) {
+                if ($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') {
-                         $r->print(&mt('The disk space allocated for group portfolio files in this community is the default quota for this domain: [_1] Mb.',$defaultquota));
+                        $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 {
-                         $r->print(&mt('The disk space allocated for group portfolio files in this course is the default quota for this domain: [_1] Mb.',$defaultquota));
+                        $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 ($putreply eq 'ok') {
-                        my %updatedsettings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
-                        $r->print(&mt('The disk space allocated for group portfolio files is now: [_1] Mb.','<b>'.$updatedsettings{'internal.coursequota'}.'</b>'));
-                        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.'));
-                            }
-                            $r->print('</p>');
-                        }
+                } else { 
+                    if ($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('An error occurred storing the quota for group portfolio files: ').
-                                  $putreply);
+                        $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('The new quota requested contained invalid characters, so the quota is unchanged.'));
+            $r->print(&mt('An error occurred storing the quota(s) for group portfolio files and/or uploaded content: ').
+                      $putreply);
         }
     }
     $r->print('<p>'.
@@ -1219,6 +1620,12 @@ sub modify_anonsurvey_threshold {
                            );
                 my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,
                                                     $cnum);
+                if ($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));
@@ -1238,7 +1645,83 @@ sub modify_anonsurvey_threshold {
     }
     $r->print('<p>'.
               '<a href="javascript:changePage(document.processthreshold,'."'menu'".')">'.
-              &mt('Pick another action').'</a>');
+              &mt('Pick another action').'</a></p>');
+    $r->print(&hidden_form_elements().'</form>');
+    return;
+}
+
+sub modify_postsubmit_config {
+    my ($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.',
+                pick => 'Pick another action',
+             );
+    $r->print('<form action="/adm/modifycourse" method="post" name="processpostsubmit">'."\n".
+              '<h3>'.$lt{'subb'}.' <span class="LC_nobreak">('.$cdesc.')</span></h3><br />');
+    my %oldsettings = 
+        &Apache::lonnet::get('environment',['internal.postsubmit','internal.postsubtimeout','internal.coursecode','internal.textbook'],$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>'.
+              '<a href="javascript:changePage(document.processpostsubmit,'."'menu'".')">'.
+              &mt('Pick another action').'</a></p>');
     $r->print(&hidden_form_elements().'</form>');
     return;
 }
@@ -1329,6 +1812,13 @@ 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{$env{'form.pickedcourse'}}) eq 'HASH') {
@@ -1411,6 +1901,8 @@ function hide_searching() {
     } elsif ($phase eq 'setquota') {
         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";
 
@@ -1430,6 +1922,8 @@ 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";
 
@@ -1451,8 +1945,86 @@ function verify_anon_threshold() {
 }
 
 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;
+}
+
+ENDSCRIPT
+
+    }
     my $starthash;
     if ($env{'form.phase'} eq 'ccrole') {
         $starthash = {
@@ -1460,7 +2032,7 @@ ENDSCRIPT
                      };
     } elsif ($phase eq 'courselist') {
         $starthash = {
-           add_entries => {'onload' => "hide_searching();"},
+           add_entries => {'onload' => "hide_searching(); courseSet(document.filterpicker.official, 'load');"},
                      };
     }
     $r->print(&Apache::loncommon::start_page('View/Modify Course/Community Settings',
@@ -1483,38 +2055,35 @@ 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 {
@@ -1522,8 +2091,10 @@ sub course_settings_descrip {
     my %longtype;
     if ($type eq 'Community') {
          %longtype = &Apache::lonlocal::texthash(
-                      'courseowner' => "Username:domain of community owner",
-                      'co-owners'   => "Username:domain of each co-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",
          );
     } else {
          %longtype = &Apache::lonlocal::texthash(
@@ -1541,7 +2112,10 @@ sub course_settings_descrip {
                       'notifylist' => 'Course Coordinators to be notified of enrollment changes',
                       'sectionnums' => 'Course section number:LON-CAPA section',
                       'crosslistings' => 'Crosslisted class:LON-CAPA section',
-                      'defaultcredits' => 'Credits', 
+                      'defaultcredits' => 'Credits',
+                      'selfenrollmgrdc'  => "Course-specific self-enrollment configuration by Domain Coordinator",
+                      'selfenrollmgrcc'  => "Course-specific self-enrollment configuration by Course personnel",
+
          );
     }
     return %longtype;
@@ -1552,7 +2126,9 @@ sub hidden_form_elements {
       &Apache::lonhtmlcommon::echo_form_input(['gosearch','updater','coursecode',
           'prevphase','numlocalcc','courseowner','login','coursequota','intarg',
           'locarg','krbarg','krbver','counter','hidefromcat','usecategory',
-          'threshold','defaultcredits'])."\n".
+          'threshold','postsubmit','postsubtimeout','defaultcredits','uploadquota',
+          'selfenrollmgrdc','selfenrollmgrcc','action','state','currsec_st',
+          'sections','newsec'],['^selfenrollmgr_'])."\n".
           '<input type="hidden" name="prevphase" value="'.$env{'form.phase'}.'" />';
     return $hidden_elements;
 }
@@ -1560,7 +2136,7 @@ sub hidden_form_elements {
 sub showcredits {
     my ($dom) = @_;
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
-    if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'}) {
+    if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbokcredits'}) {
         return 1;
     }
 }
@@ -1572,8 +2148,10 @@ sub handler {
         $r->send_http_header;
         return OK;
     }
+
     my $dom = $env{'request.role.domain'};
     my $domdesc = &Apache::lonnet::domain($dom,'description');
+
     if (&Apache::lonnet::allowed('ccc',$dom)) {
         &Apache::loncommon::content_type($r,'text/html');
         $r->send_http_header;
@@ -1612,7 +2190,7 @@ sub handler {
             if ($phase eq 'courselist') {
                 &print_course_selection_page($r,$dom,$domdesc);
             } else {
-                my ($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') {
@@ -1624,7 +2202,8 @@ sub handler {
                         &Apache::lonhtmlcommon::add_breadcrumb
                         ({href=>"javascript:changePage(document.$phase,'menu')",
                           text=>"Pick action"});
-                        &print_modification_menu($r,$cdesc,$domdesc,$dom,$type);
+                        &print_modification_menu($r,$cdesc,$domdesc,$dom,$type,
+                                                 $env{'form.pickedcourse'},$coursehash);
                     } elsif ($phase eq 'ccrole') {
                         &Apache::lonhtmlcommon::add_breadcrumb
                          ({href=>"javascript:changePage(document.$phase,'ccrole')",
@@ -1653,7 +2232,6 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Threshold for anonymous submissions display"});
                             &print_set_anonsurvey_threshold($r,$cdom,$cnum,$cdesc,$type);
-
                         } elsif ($phase eq 'processthreshold') {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'setanon')",
@@ -1662,6 +2240,16 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Result"});
                             &modify_anonsurvey_threshold($r,$cdom,$cnum,$cdesc,$domdesc,$type);
+                        } elsif ($phase eq 'setpostsubmit') {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Configure submit button behavior post-submission"});
+                            &print_postsubmit_config($r,$cdom,$cnum,$cdesc,$type);
+                        } elsif ($phase eq 'processpostsubmit') {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href=>"javascript:changePage(document.$phase,'$phase')",
+                              text=>"Result"});
+                            &modify_postsubmit_config($r,$cdom,$cnum,$cdesc,$domdesc,$type);
                         } elsif ($phase eq 'viewparms') {
                             &Apache::lonhtmlcommon::add_breadcrumb
                             ({href=>"javascript:changePage(document.$phase,'viewparms')",
@@ -1693,14 +2281,26 @@ sub handler {
                             ({href=>"javascript:changePage(document.$phase,'$phase')",
                               text=>"Result"});
                             &modify_catsettings($r,$cdom,$cnum,$cdesc,$domdesc,$type);
+                        } elsif ($phase eq 'selfenroll') {
+                            &Apache::lonhtmlcommon::add_breadcrumb
+                            ({href => "javascript:changePage(document.$phase,'$phase')",
+                              text => "Self-enrollment settings"});
+                            if (!exists($env{'form.state'})) {
+                                &print_selfenrollconfig($r,$type,$cdesc,$coursehash);
+                            } elsif ($env{'form.state'} eq 'done') {
+                                &Apache::lonhtmlcommon::add_breadcrumb 
+                                ({href=>"javascript:changePage(document.$phase,'$phase')",
+                                  text=>"Result"});
+                                &modify_selfenrollconfig($r,$type,$cdesc,$coursehash);
+                            }
                         }
                     }
                 } 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'));
+                    } else {
+                        $r->print(&mt('The course you selected is not a valid course in this domain'));
                     }
                     $r->print(" ($domdesc)</span>");
                 }