--- loncom/interface/courseprefs.pm	2021/12/15 00:48:41	1.49.2.27
+++ loncom/interface/courseprefs.pm	2021/12/24 21:09:09	1.49.2.28
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set configuration settings for a course
 #
-# $Id: courseprefs.pm,v 1.49.2.27 2021/12/15 00:48:41 raeburn Exp $
+# $Id: courseprefs.pm,v 1.49.2.28 2021/12/24 21:09:09 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -464,7 +464,7 @@ sub handler {
                      help => 'Course_Prefs_Display',
                      ordered => ['default_xml_style','pageseparators',
                                  'disable_receipt_display','texengine',
-                                 'tthoptions','uselcmath','usejsme'],
+                                 'tthoptions','uselcmath','usejsme','inline_chem'],
                       itemtext => {
                           default_xml_style       => 'Default XML style file',
                           pageseparators          => 'Visibly Separate Items on Pages',
@@ -473,6 +473,7 @@ sub handler {
                           tthoptions              => 'Default set of options to pass to tth/m when converting TeX',
                           uselcmath               => 'Student formula entry uses inline preview, not DragMath pop-up',
                           usejsme                 => 'Molecule editor uses JSME (HTML5) in place of JME (Java)',
+                          inline_chem             => 'Chemical reaction response uses inline preview, not pop-up',
                                   },
                   },
         'grading' =>
@@ -1475,7 +1476,8 @@ sub store_changes {
                                         $displayval = &Apache::lonlocal::locallocaltime($displayval);
                                     } elsif ($key eq 'categories') {
                                         $displayval = $env{'form.categories_display'};
-                                    } elsif (($key eq 'canuse_pdfforms') || ($key eq 'usejsme') || ($key eq 'uselcmath')) {
+                                    } elsif (($key eq 'canuse_pdfforms') || ($key eq 'usejsme') ||
+                                             ($key eq 'uselcmath') || ($key eq 'inline_chem')) {
                                         if ($changes->{$item}{$key} eq '1') {
                                             $displayval = &mt('Yes');
                                         } elsif ($changes->{$item}{$key} eq '0') {
@@ -4016,6 +4018,10 @@ sub print_appearance {
                    text => '<b>'.&mt($itemtext->{'usejsme'}).'</b>',
                    input => 'radio',
                  },
+         'inline_chem' => {
+                   text => '<b>'.&mt($itemtext->{'inline_chem'}).'</b>',
+                   input => 'radio',
+                 },
     );
     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'appearance',$noedit);
 }
@@ -4398,7 +4404,7 @@ sub make_item_rows {
                                                        $settings->{$item},$disabled);
             } elsif ($items->{$item}{input} eq 'radio') {
                 my ($unsetdefault,$valueyes,$valueno);
-                if (($item eq 'usejsme') || ($item eq 'uselcmath')) {
+                if (($item eq 'usejsme') || ($item eq 'uselcmath') || ($item eq 'inline_chem')) {
                      my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
                      unless ($domdefs{$item} eq '0') {
                          $unsetdefault = 1;