--- loncom/interface/domainprefs.pm	2021/12/24 11:07:42	1.398
+++ loncom/interface/domainprefs.pm	2021/12/28 02:04:35	1.399
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.398 2021/12/24 11:07:42 raeburn Exp $
+# $Id: domainprefs.pm,v 1.399 2021/12/28 02:04:35 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -877,6 +877,8 @@ sub print_config_box {
         $output .= &wafproxy_javascript($dom);
     } elsif ($action eq 'autoupdate') {
         $output .= &autoupdate_javascript();
+    } elsif ($action eq 'autoenroll') {
+        $output .= &autoenroll_javascript();
     } elsif ($action eq 'login') {
         $output .= &saml_javascript();
     } elsif ($action eq 'ipaccess') {
@@ -3688,6 +3690,41 @@ function toggleLastActiveDays(form) {
 ENDSCRIPT
 }
 
+sub autoenroll_javascript {
+    return <<"ENDSCRIPT";
+<script type="text/javascript">
+// <![CDATA[
+function toggleFailsafe(form) {
+    var radioname = 'autoenroll_failsafe';
+    var divid = 'autoenroll_failsafe_div';
+    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 == 'zero') || (form.elements[radioname][i].value == 'any')) {
+                    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;
+}
+// ]]>
+</script>
+
+ENDSCRIPT
+}
+
 sub saml_javascript {
     return <<"ENDSCRIPT";
 <script type="text/javascript">
@@ -3801,7 +3838,12 @@ ENDSCRIPT
 sub print_autoenroll {
     my ($dom,$settings,$rowtotal) = @_;
     my $autorun = &Apache::lonnet::auto_run(undef,$dom),
-    my ($defdom,$runon,$runoff,$coownerson,$coownersoff,$failsafe);
+    my ($defdom,$runon,$runoff,$coownerson,$coownersoff,
+        $failsafe,$autofailsafe,$failsafesty,%failsafechecked);
+    $failsafesty = 'none';
+    %failsafechecked = (
+        off => ' checked="checked"',
+    );
     if (ref($settings) eq 'HASH') {
         if (exists($settings->{'run'})) {
             if ($settings->{'run'} eq '0') {
@@ -3835,8 +3877,24 @@ sub print_autoenroll {
         if (exists($settings->{'sender_domain'})) {
             $defdom = $settings->{'sender_domain'};
         }
-        if (exists($settings->{'autofailsafe'})) {
-            $failsafe = $settings->{'autofailsafe'};
+        if (exists($settings->{'failsafe'})) {
+            $failsafe = $settings->{'failsafe'};
+            if ($failsafe eq 'zero') {
+                $failsafechecked{'zero'} = ' checked="checked"'; 
+                $failsafechecked{'off'} = '';
+                $failsafesty = 'inline-block';
+            } elsif ($failsafe eq 'any') {
+                $failsafechecked{'any'} = ' checked="checked"';
+                $failsafechecked{'off'} = '';
+            }
+            $autofailsafe = $settings->{'autofailsafe'};
+        } elsif (exists($settings->{'autofailsafe'})) {
+            $autofailsafe = $settings->{'autofailsafe'};
+            if ($autofailsafe ne '') {
+                $failsafechecked{'zero'} = ' checked="checked"';
+                $failsafe = 'zero';
+                $failsafechecked{'off'} = ''; 
+            }
         }
     } else {
         if ($autorun) {
@@ -3876,8 +3934,14 @@ sub print_autoenroll {
                   '</tr><tr>'.
                   '<td>'.&mt('Failsafe for no drops when institutional data missing').'</td>'.
                   '<td class="LC_right_item"><span class="LC_nobreak">'.
-                  '<input type="text" name="autoenroll_failsafe"'.
-                  ' value="'.$failsafe.'" size="4" /></span></td></tr>';
+                  '<span class="LC_nobreak"><label><input type="radio name="autoenroll_failsafe" value="off" onclick="toggleFailsafe(this.form)" />'.&mt('Not in use').'</label></span><br />'.
+                  '<span class="LC_nobreak"><label><input type="radio name="autoenroll_failsafe" value="zero" onclick="toggleFailsafe(this.form)" />'.&mt('Retrieved section enrollment is zero').'</label></span><br />'.
+                  '<span class="LC_nobreak"><label><input type="radio name="autoenroll_failsafe" value="any" onclick="toggleFailsafe(this.form)" />'.&mt('Retrieved section enrollment is zero or greater').'</label></span>'.
+                  '<div class="LC_floatleft" style="display:'.$failsafesty.';" id="autoenroll_failsafe_div">'.
+                  '<span class="LC_nobreak">'.
+                  &mt('Threshold for number of students in section to drop: [_1]',
+                      '<input type="text" name="autoenroll_autofailsafe" value="'.$autofailsafe.'" size="4" />').
+                  '</span></div></td></tr>';
     $$rowtotal += 4;
     return $datatable;
 }
@@ -15918,7 +15982,7 @@ sub modify_autoenroll {
     my %title = ( run => 'Auto-enrollment active',
                   sender => 'Sender for notification messages',
                   coowners => 'Automatic assignment of co-ownership to instructors of record (institutional data)',
-                  failsafe => 'Failsafe for no drops if institutional data missing for a section');
+                  autofailsafe => 'Failsafe for no drops if institutional data missing for a section');
     my @offon = ('off','on');
     my $sender_uname = $env{'form.sender_uname'};
     my $sender_domain = $env{'form.sender_domain'};
@@ -15928,17 +15992,23 @@ sub modify_autoenroll {
         $sender_domain = '';
     }
     my $coowners = $env{'form.autoassign_coowners'};
+    my $autofailsafe = $env{'form.autoenroll_autofailsafe'};
+    $autofailsafe =~ s{^\s+|\s+$}{}g;
+    if ($autofailsafe =~ /\D/) {
+        undef($autofailsafe);
+    }
     my $failsafe = $env{'form.autoenroll_failsafe'};
-    $failsafe =~ s{^\s+|\s+$}{}g;
-    if ($failsafe =~ /\D/) {
-        undef($failsafe);
+    unless (($failsafe eq 'zero') || ($failsafe eq 'any')) {
+        $failsafe = 'off';
+        undef($autofailsafe);      
     }
     my %autoenrollhash =  (
                        autoenroll => { 'run' => $env{'form.autoenroll_run'},
                                        'sender_uname' => $sender_uname,
                                        'sender_domain' => $sender_domain,
                                        'co-owners' => $coowners,
-                                       'autofailsafe' => $failsafe,
+                                       'autofailsafe' => $autofailsafe,
+                                       'failsafe' => $failsafe, 
                                 }
                      );
     my $putresult = &Apache::lonnet::put_dom('configuration',\%autoenrollhash,
@@ -15966,9 +16036,12 @@ sub modify_autoenroll {
         } elsif ($coowners) {
             $changes{'coowners'} = 1;
         }
-        if ($currautoenroll{'autofailsafe'} ne $failsafe) {
+        if ($currautoenroll{'autofailsafe'} ne $autofailsafe) {
             $changes{'autofailsafe'} = 1;
         }
+        if ($currautoenroll{'failsafe'} ne $failsafe) {
+            $changes{'failsafe'} = 1;
+        }
         if (keys(%changes) > 0) {
             $resulttext = &mt('Changes made:').'<ul>';
             if ($changes{'run'}) {
@@ -15989,11 +16062,24 @@ sub modify_autoenroll {
                 }
             }
             if ($changes{'autofailsafe'}) {
-                if ($failsafe ne '') {
-                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section set to: [_1]',$failsafe).'</li>';
+                if ($autofailsafe ne '') {
+                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section set to: [_1]',$autofailsafe).'</li>';
                 } else {
-                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section: deleted');
+                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section not in use').'</li>';
                 }
+            }
+            if ($changes{'failsafe'}) {
+                if ($failsafe eq 'off') {
+                    unless ($changes{'autofailsafe'}) {
+                        $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section not in use').'</li>';
+                    }
+                } elsif ($failsafe eq 'zero') {
+                    $resulttext .= '<li>'.&mt('Failsafe applies if retrieved section enrollment is zero').'</li>';
+                } else {
+                    $resulttext .= '<li>'.&mt('Failsafe applies if retrieved section enrollment is zero or greater').'</li>';
+                }
+            }
+            if (($changes{'autofailsafe'}) || ($changes{'failsafe'})) {
                 &Apache::lonnet::get_domain_defaults($dom,1);
                 if (ref($lastactref) eq 'HASH') {
                     $lastactref->{'domdefaults'} = 1;