Bug #1765276: Various changes including:

-Changing .hidden to d-none
-Changing button styles
-Fixing dashboard styles
-Misc

behatnotneeded

Change-Id: I320882f682ef4b33ff7a9836f4eb4438f4a93b93

htdocs/account/cancelrequest.php

@@ -30,7 +30,7 @@ $cancelrequestform = pieform(array(
         ),
         'submit' => array(
             'type' => 'submitcancel',
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => array(get_string('yes'), get_string('no')),
             'goto' => get_config('wwwroot') . "account/index.php",
         ),

htdocs/account/delete.php

@@ -40,7 +40,7 @@ if ($requiresapproval) {
             'rules' => array('required' => true),
         ),
         'submit' => array(
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'type' => 'submitcancel',
             'value' => array(get_string('senddeletenotification', 'mahara'), get_string('back')),
             'goto' => get_config('wwwroot'). 'account/index.php',
@@ -61,7 +61,7 @@ else {
         );
     }
     $elements['submit'] = array(
-        'class' => 'btn-default',
+        'class' => 'btn-secondary',
         'type' => 'submitcancel',
         'value' => array(get_string('deleteaccount1', 'mahara'), get_string('back')),
         'goto' => get_config('wwwroot'). 'account/index.php',

htdocs/account/index.php

@@ -36,7 +36,7 @@ if (method_exists($authobj, 'change_password')) {
         'password' => array(
             'type' => 'password',
             'title' => '',
-            'class' => 'hidden',
+            'class' => 'd-none',
             'value' => 'decoypassword',
         ),
         'oldpassword' => array(

htdocs/account/institutions.php

@@ -30,7 +30,7 @@ if (!empty($member)) {
             $elements[] = array(
                 'type' => 'submit',
                 'name' => '_leave_' . $i->institution,
-                'class' => 'btn-default',
+                'class' => 'btn-secondary',
                 'confirm' => get_string('reallyleaveinstitution'),
                 'title' => get_string('youareamemberof', 'mahara', $institutions[$i->institution]->displayname),
                 'value' => get_string('leaveinstitution')
@@ -83,7 +83,7 @@ if (!empty($requested)) {
         $elements[] = array(
             'type' => 'submit',
             'name' => '_cancelrequest_' . $i,
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'title' => get_string('youhaverequestedmembershipof', 'mahara',
                                   $institutions[$i]->displayname),
             'value' => get_string('cancelrequest')
@@ -131,7 +131,7 @@ if (!empty($invited)) {
             'primarychoice' => 'confirm',
             'title' => get_string('youhavebeeninvitedtojoin', 'mahara',
                                   $institutions[$i]->displayname),
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => array(get_string('joininstitution'), get_string('decline'))
         );
         unset($institutions[$i]);

htdocs/account/resendnotification.php

@@ -32,7 +32,7 @@ $deleteform = pieform(array(
               'rules' => array('required' => true),
           ),
         'submit' => array(
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'type' => 'submit',
             'value' => get_string('resenddeletionnotification', 'account'),
         ),

htdocs/admin/extensions/iframesites.php

@@ -99,7 +99,7 @@ foreach ($iframesources as $url => $name) {
             'elements'         => array(
                 'submit' => array(
                     'type'         => 'button',
-                    'class'        => 'btn-default btn-sm',
+                    'class'        => 'btn-secondary btn-sm',
                     'usebuttontag' => true,
                     'value'          => '<span class="icon icon-trash icon-lg text-danger" role="presentation" aria-hidden="true"></span><span class="sr-only">'. get_string('delete') . '</span>',
 

htdocs/admin/groups/delete.php

@@ -27,7 +27,7 @@ $form = pieform(array(
     'elements' => array(
         'submit' => array(
             'type' => 'submitcancel',
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => array(get_string('yes'), get_string('no')),
             'goto' => get_config('wwwroot') . 'admin/groups/groups.php',
         )

htdocs/admin/groups/groupcategories.php

@@ -96,7 +96,7 @@ jQuery(function($) {
       // item has class, id, type, name, link, linkedto
 
       var edit = $('<button>', {
-        'class':'btn btn-default btn-sm',
+        'class':'btn btn-secondary btn-sm',
         'id':'item' + item.id,
         'type':'button',
         'title':{$getstring['edit']},
@@ -109,7 +109,7 @@ jQuery(function($) {
 
 
       var del = $('<button>', {
-        'class':'btn btn-default btn-sm',
+        'class':'btn btn-secondary btn-sm',
         'id':'item' + item.id,
         'type':'button',
         'title':{$getstring['delete']},
@@ -142,7 +142,7 @@ jQuery(function($) {
 
       // Either a save, a cancel button, or both.
       var savecancel = [];
-      var save = $('<input>', {'type':'button','class':'button btn btn-default btn-add-group'});
+      var save = $('<input>', {'type':'button','class':'button btn btn-secondary btn-add-group'});
       save.on('click', function () { saveitem(item.id); });
 
       var rowtype = 'add';
@@ -157,7 +157,7 @@ jQuery(function($) {
           // The save button says 'update' and there's a cancel button.
           var rowtype = 'edit';
           save.prop('value',{$getstring['update']});
-          var cancel = $('<input>', {'type':'button','class':'button btn btn-sm btn-default','value':{$getstring['cancel']}});
+          var cancel = $('<input>', {'type':'button','class':'button btn btn-sm btn-secondary','value':{$getstring['cancel']}});
           cancel.on('click', closeopenedits);
           savecancel = [save,cancel];
           item.label = {$getstring['edit']};
@@ -186,8 +186,8 @@ jQuery(function($) {
         if (row.hasClass('edit')) {
             row.remove();
         }
-        else if (row.hasClass('hidden')) {
-            row.removeClass('hidden');
+        else if (row.hasClass('d-none')) {
+            row.removeClass('d-none');
         }
     }
   }
@@ -196,7 +196,7 @@ jQuery(function($) {
   function edititem(item) {
       closeopenedits();
       var menuitem = $('#menuitem_'+item.id);
-      menuitem.addClass('hidden');
+      menuitem.addClass('d-none');
       var newrow = editform(item);
       newrow.insertBefore(menuitem)
       $('#name' + item.id).trigger("focus");

htdocs/admin/index.php

@@ -55,7 +55,7 @@ $closeform = pieform(array(
         'submit' => array(
             'type'  => 'submit',
             'value' => get_string($closed ? 'Open' : 'Close', 'admin'),
-            'class' => $closed ? 'btn-primary' : 'btn-default'
+            'class' => $closed ? 'btn-primary' : 'btn-secondary'
         ),
     ),
 ));
@@ -68,7 +68,7 @@ $clearcachesform = pieform(array(
         'submit' => array(
             'type'  => 'submit',
             'value' => get_string('clearcachessubmit', 'admin'),
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
         ),
     ),
 ));

htdocs/admin/site/fonts.php

@@ -96,7 +96,7 @@ $previewform = pieform(array(
         ),
         'submit' => array(
             'type' => 'submit',
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => get_string('preview', 'skin')
         )
     )

htdocs/admin/site/menu.php

@@ -86,10 +86,10 @@ jQuery(function($) {
       // item has id, type, name, link, linkedto
       var type = eval(item.type);
       var linkedto = $('<a>', {'href':item.linkedto, 'text': item.linktext});
-      var edit = $('<button>', {'type':'button','class':'button btn btn-default btn-sm','title':{$getstring['edit']}})
+      var edit = $('<button>', {'type':'button','class':'button btn btn-secondary btn-sm','title':{$getstring['edit']}})
         .append($('<span>', {'class':'icon icon-lg icon-pencil', 'role':'presentation'}), $('<span>', {'class':'sr-only','text': {$getstring['edit']}}));
       edit.on('click', function () { edititem(item); });
-      var del = $('<button>', {'type':'button','class':'button btn btn-default btn-sm','title': {$getstring['delete']}})
+      var del = $('<button>', {'type':'button','class':'button btn btn-secondary btn-sm','title': {$getstring['delete']}})
       .append($('<span>', {'class':'icon icon-lg icon-trash text-danger', 'role':'presentation'}), $('<span>', {'class':'sr-only','text': {$getstring['delete']}}));
       del.on('click', function() { delitem(item.id); });
       var buttonGroup = $('<span>', {'class':'btn-group'}).append(edit, del);
@@ -117,7 +117,7 @@ jQuery(function($) {
 
       // Either a save, a cancel button, or both.
       var savecancel = [];
-      var save = $('<button>', {'type':'button','class':'button btn btn-default btn-sm','title': {$getstring['update']}})
+      var save = $('<button>', {'type':'button','class':'button btn btn-secondary btn-sm','title': {$getstring['update']}})
         .append($('<span>', {'class':'icon icon-plus icon-lg', 'role':'presentation'}), $('<span>', {'class':'sr-only','text': {$getstring['update']}}));
       save.on('click', function () { saveitem(item.id); });
 
@@ -207,8 +207,8 @@ jQuery(function($) {
           if (row.hasClass('edit')) {
               row.remove();
           }
-          else if (row.hasClass('hidden')) {
-            row.removeClass('hidden');
+          else if (row.hasClass('d-none')) {
+            row.removeClass('d-none');
           }
       }
   }
@@ -229,7 +229,7 @@ jQuery(function($) {
   function edititem(item) {
       closeopenedits();
       var menuitem = $('#menuitem_'+item.id);
-      menuitem.addClass('hidden');
+      menuitem.addClass('d-none');
       var newrow = editform(item);
       newrow.insertBefore(menuitem);
   }

htdocs/admin/site/networking.php

@@ -99,7 +99,7 @@ $networkingform = pieform(
                         'value' => 'submit'
                     ),
                     'deletesubmit' => array(
-                        'class' => 'btn-default text-inline',
+                        'class' => 'btn-secondary text-inline',
                         'name' => 'submit', // must be called submit so we can access it's value
                         'type'  => 'button',
                         'usebuttontag' => true,

htdocs/admin/upgrade.php

@@ -132,7 +132,7 @@ jQuery(function($) {
         var element = todo.shift();
 
         if (!element) {
-            $('#installdone').removeClass('hidden');
+            $('#installdone').removeClass('d-none');
             $('html, body').animate({ scrollTop: $('#installdone').offset().top }, 'slow');
             return; // done
         }

htdocs/admin/users/addauthority.php

@@ -117,10 +117,10 @@ jQuery(function($) {
   function authloginmsgVisibility() {
       // If Parent authority is 'None'
       if ($('#auth_config_parent').val() != 0) {
-        $('#auth_config_authloginmsg_container').addClass('hidden');
+        $('#auth_config_authloginmsg_container').addClass('d-none');
       }
       else {
-        $('#auth_config_authloginmsg_container').removeClass('hidden');
+        $('#auth_config_authloginmsg_container').removeClass('d-none');
       }
   }
   var ssoAllOptions = {
@@ -134,10 +134,10 @@ jQuery(function($) {
       var current = $('#auth_config_ssodirection').val();
       for (var opt in ssoAllOptions) {
           if (ssoAllOptions[opt] == current) {
-              $('#auth_config_' + opt + '_container').removeClass('hidden');
+              $('#auth_config_' + opt + '_container').removeClass('d-none');
           }
           else {
-            $('#auth_config_' + opt + '_container').addClass('hidden');
+            $('#auth_config_' + opt + '_container').addClass('d-none');
           }
       }
   }

htdocs/admin/users/bulk.php

@@ -63,7 +63,7 @@ $userids = array_keys($users);
 // Used in all three forms
 $userelement = array(
     'type'     => 'select',
-    'class'    => 'hidden',
+    'class'    => 'd-none',
     'multiple' => 'true',
     'options'  => array_combine($userids, $userids),
     'value'    => $userids,
@@ -106,7 +106,7 @@ $suspendform = pieform(array(
                 'suspend' => array(
                     'type'        => 'button',
                     'usebuttontag' => true,
-                    'class'       => 'btn-default input-group-btn no-label',
+                    'class'       => 'btn-secondary input-group-btn no-label',
                     'value'       => get_string('Suspend', 'admin'),
                 )
             )
@@ -136,7 +136,7 @@ if (count($options) > 1) {
                     'changeauth' => array(
                         'type'        => 'button',
                         'usebuttontag' => true,
-                        'class'       => 'btn-default input-group-btn',
+                        'class'       => 'btn-secondary input-group-btn',
                         'value'        => get_string('changeauthmethod', 'admin')
                     )
                 )
@@ -167,7 +167,7 @@ if (is_using_probation()) {
                     'setprobation' => array(
                         'type' => 'button',
                         'usebuttontag' => true,
-                        'class'       => 'btn-default input-group-btn no-label',
+                        'class'       => 'btn-secondary input-group-btn no-label',
                         'confirm' => get_string('probationbulkconfirm', 'admin'),
                         'value' => get_string('probationbulkset', 'admin'),
                     )
@@ -187,7 +187,7 @@ $deleteform = pieform(array(
         'delete' => array(
             'type'        => 'button',
             'usebuttontag' => true,
-            'class'       => 'btn-default',
+            'class'       => 'btn-secondary',
             'confirm'     => get_string('confirmdeleteusers', 'admin'),
             'value'       => '<span class="icon icon-lg icon-user-times left text-danger" role="presentation" aria-hidden="true"></span>' . get_string('deleteusers', 'admin'),
         ),

htdocs/admin/users/edit.php

@@ -680,7 +680,7 @@ if (empty($suspended)) {
             ),
             'submit' => array(
                 'type'  => 'submit',
-                'class' => 'btn-default',
+                'class' => 'btn-secondary',
                 'value' => get_string('suspenduser','admin'),
             ),
         )
@@ -699,7 +699,7 @@ else {
             ),
             'submit' => array(
                 'type'  => 'submit',
-                'class' => 'btn-default',
+                'class' => 'btn-secondary',
                 'value' => get_string('unsuspenduser','admin'),
             ),
         )
@@ -749,7 +749,7 @@ $deleteform = pieform(array(
         'submit' => array(
             'type' => 'button',
             'usebuttontag' => true,
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value'          => '<span class="icon icon-trash icon-lg text-danger left" role="presentation" aria-hidden="true"></span><span>'. get_string('deleteuser', 'admin') . '</span>',
             'confirm' => get_string('confirmdeleteuser', 'admin'),
         ),
@@ -845,7 +845,7 @@ foreach ($institutions as $i) {
             ),
             $i->institution.'_remove' => array(
                 'type'  => 'submit',
-                'class' => 'btn-default',
+                'class' => 'btn-secondary',
                 'value' => get_string('removeuserfrominstitution', 'admin'),
                 'confirm' => get_string('confirmremoveuserfrominstitution', 'admin'),
             )

htdocs/admin/users/institutions.php

@@ -208,7 +208,7 @@ if ($institution || $add) {
                 ),
                 'submit' => array(
                     'type' => 'submitcancel',
-                    'class' => 'btn-default',
+                    'class' => 'btn-secondary',
                     'value' => array(get_string('yes'), get_string('no'))
                 )
             )
@@ -1243,7 +1243,7 @@ if ($institution && $institution != 'mahara') {
                     'submit' => array(
                         'type'        => 'button',
                         'usebuttontag' => true,
-                        'class'       => 'btn-default',
+                        'class'       => 'btn-secondary',
                         'value'       => '<span class="icon icon-lg text-danger icon-ban left" role="presentation" aria-hidden="true"></span>' . get_string('suspendinstitution','admin'),
                     ),
                 )
@@ -1265,7 +1265,7 @@ if ($institution && $institution != 'mahara') {
                     'submit' => array(
                         'type'        => 'button',
                         'usebuttontag' => true,
-                        'class'       => 'btn-default',
+                        'class'       => 'btn-secondary',
                         'value'       => '<span class="icon icon-lg text-success icon-check left" role="presentation" aria-hidden="true"></span>' . get_string('unsuspendinstitution','admin'),
                     ),
                 )

htdocs/admin/users/institutionusers.php

@@ -177,14 +177,14 @@ if ($usertype == 'lastinstitution') {
 if ($usertype == 'requesters') {
     $userlistform['elements']['reject'] = array(
         'type' => 'submit',
-        'class' => 'btn-default',
+        'class' => 'btn-secondary',
         'value' => get_string('declinerequests', 'admin'),
     );
 }
 if (($usertype == 'nonmembers' || $usertype == 'lastinstitution') && $USER->get('admin')) {
     $userlistform['elements']['add'] = array(
         'type' => 'submit',
-         'class' => 'btn-default',
+         'class' => 'btn-secondary',
         'value' => get_string('addmembers', 'admin'),
     );
 }

htdocs/admin/users/suspended.php

@@ -188,7 +188,7 @@ $form = pieform_instance(array(
             'isformgroup' => false,
             'elements'  => array(
                 'unsuspend' => array(
-                    'class' => 'btn-default text-inline',
+                    'class' => 'btn-secondary text-inline',
                     'type' => 'submit',
                     'isformgroup' => false,
                     'renderelementsonly' => true,
@@ -196,7 +196,7 @@ $form = pieform_instance(array(
                     'value' => get_string('unsuspendusers', 'admin')
                 ),
                 'unexpire' => array(
-                    'class' => 'btn-default text-inline',
+                    'class' => 'btn-secondary text-inline',
                     'type' => 'submit',
                     'isformgroup' => false,
                     'renderelementsonly' => true,
@@ -204,7 +204,7 @@ $form = pieform_instance(array(
                     'value' => get_string('unexpireusers', 'admin')
                 ),
                 'delete' => array(
-                    'class' => 'btn-default text-inline',
+                    'class' => 'btn-secondary text-inline',
                     'type'    => 'submit',
                     'isformgroup' => false,
                     'renderelementsonly' => true,

htdocs/artefact/annotation/blocktype/annotation/lib.php

@@ -211,7 +211,7 @@ class PluginBlocktypeAnnotation extends MaharaCoreBlocktype {
             ),
             'annotationreadonlymsg' => array(
                 'type' => 'html',
-                'class' => 'message info' . ($textreadonly ? '' : ' hidden'),
+                'class' => 'message info' . ($textreadonly ? '' : ' d-none'),
                 'value' => get_string('annotationreadonlymessage', 'blocktype.annotation/annotation'),
                 'help' => true,
             ),
@@ -222,7 +222,7 @@ class PluginBlocktypeAnnotation extends MaharaCoreBlocktype {
             ),
             'tags' => array(
                 'type' => 'tags',
-                'class' => $readonly ? 'hidden' : '',
+                'class' => $readonly ? 'd-none' : '',
                 'width' => '100%',
                 'title' => get_string('tags'),
                 'description' => get_string('tagsdescprofile'),
@@ -230,7 +230,7 @@ class PluginBlocktypeAnnotation extends MaharaCoreBlocktype {
             ),
             'tagsreadonly' => array(
                 'type' => 'html',
-                'class' => $readonly ? '' : 'hidden',
+                'class' => $readonly ? '' : 'd-none',
                 'width' => '100%',
                 'title' => get_string('tags'),
                 'value' => '<div id="instconf_tagsreadonly_display">' . (is_array($tags) ? hsc(join(', ', $tags)) : '') . '</div>',
@@ -279,7 +279,7 @@ class PluginBlocktypeAnnotation extends MaharaCoreBlocktype {
                 'defaultvalue' => (($evidence) ? $evidence->element : null),
             );
             array_walk($selectdescriptions, function (&$a, $b) {
-                $a = '<div class="hidden" id="option_' . $b . '">' . $a . '</div>';
+                $a = '<div class="d-none" id="option_' . $b . '">' . $a . '</div>';
             });
             $elements['smartevidencedesc'] = array(
                 'type' => 'html',
@@ -445,8 +445,8 @@ class PluginBlocktypeAnnotation extends MaharaCoreBlocktype {
         return <<<EOF
         jQuery(function($) {
             function show_se_desc(id) {
-                $("#instconf_smartevidencedesc_container div:not(.description)").addClass('hidden');
-                $("#option_" + id).removeClass('hidden');
+                $("#instconf_smartevidencedesc_container div:not(.description)").addClass('d-none');
+                $("#option_" + id).removeClass('d-none');
             }
             if ($("#instconf_smartevidence").length) {
                 // block title will be overwritten with framework choice so make it disabled

htdocs/artefact/annotation/lib.php

@@ -982,7 +982,7 @@ class ArtefactTypeAnnotationfeedback extends ArtefactType {
             $submit = array(
                 'type'  => 'submit',
                 'value' => get_string('placeannotationfeedback', 'artefact.annotation'),
-                'class' => 'btn-default'
+                'class' => 'btn-secondary'
             );
             $form['elements']['submit'] = $submit;
             // Dont use the 'Processing...' bit on the submit button
@@ -1339,7 +1339,7 @@ class ArtefactTypeAnnotationfeedback extends ArtefactType {
         }
         $form['elements']['submit'] = array(
             'type'  => 'submitcancel',
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => array(get_string('placeannotationfeedback', 'artefact.annotation'), get_string('cancel')),
             'goto' => '/' . $view->get_url(false),
         );
@@ -1398,7 +1398,7 @@ class ArtefactTypeAnnotationfeedback extends ArtefactType {
                 'submit'  => array(
                     'type'  => 'button',
                     'usebuttontag' => true,
-                    'class' => 'btn-default btn-sm',
+                    'class' => 'btn-secondary btn-sm',
                     'value' => '<span class="icon icon-trash text-danger" role="presentation" aria-hidden="true"></span><span class="sr-only">' . get_string('delete') . '</span>',
                     'elementtitle' => get_string('delete'),
                     'confirm' => get_string('reallydeletethisannotationfeedback', 'artefact.annotation'),

htdocs/artefact/blog/lib.php

@@ -598,7 +598,7 @@ class ArtefactTypeBlog extends ArtefactType {
                 'submit' => array(
                     'type' => 'button',
                     'usebuttontag' => true,
-                    'class' => 'btn-default btn-sm last',
+                    'class' => 'btn-secondary btn-sm last',
                     'alt' => get_string('deletespecific', 'mahara', $title),
                     'elementtitle' => get_string('delete'),
                     'confirm' => $confirm,
@@ -1225,7 +1225,7 @@ class ArtefactTypeBlogPost extends ArtefactType {
                 ),'submit' => array(
                     'type' => 'button',
                     'usebuttontag' => true,
-                    'class' => 'btn-default btn-sm publish',
+                    'class' => 'btn-secondary btn-sm publish',
                     'value' => $strchangepoststatus,
                 ),
             ),
@@ -1251,7 +1251,7 @@ class ArtefactTypeBlogPost extends ArtefactType {
                 'submit' => array(
                     'type' => 'button',
                     'usebuttontag' => true,
-                    'class' => 'btn-default btn-sm last',
+                    'class' => 'btn-secondary btn-sm last',
                     'elementtitle' => get_string('delete'),
                     'confirm' => get_string('deleteblogpost?', 'artefact.blog'),
                     'value' => '<span class="icon icon-trash icon-lg text-danger" role="presentation" aria-hidden="true"></span><span class="sr-only">' . get_string('deletespecific', 'mahara', $title) . '</span>',

htdocs/artefact/blog/view/index.php

@@ -172,11 +172,11 @@ function changepoststatus_success(form, data) {
     }
 }
 function delete_success(form, data) {
-    jQuery('#postdetails_' + data.id).addClass('hidden');
+    jQuery('#postdetails_' + data.id).addClass('d-none');
     if (jQuery('#postfiles_' + data.id).length) {
       jQuery('#postfiles_' + data.id).addClass('hidden');
     }
-    jQuery('#postdescription_' + data.id).addClass('hidden');
+    jQuery('#postdescription_' + data.id).addClass('d-none');
     jQuery('#posttitle_' + data.id).addClass('hidden');
     var results = jQuery('#blogpost_pagination div.results').html();
     var oldcount = parseInt(results, 10);

htdocs/artefact/comment/lib.php

@@ -987,7 +987,7 @@ class ArtefactTypeComment extends ArtefactType {
         }
         $form['elements']['submit'] = array(
             'type'  => 'submitcancel',
-            'class' => 'btn-default',
+            'class' => 'btn-secondary',
             'value' => array(get_string('Comment', 'artefact.comment'), get_string('cancel')),
         );
         // This is a placeholder where we can display the parent comment's text
@@ -1036,7 +1036,7 @@ class ArtefactTypeComment extends ArtefactType {
                 'submit'  => array(
                     'type'  => 'button',
                     'usebuttontag' => true,
-                    'class' => 'btn-default btn-sm',
+                    'class' => 'btn-secondary btn-sm',
                     'value' => '<span class="icon icon-trash icon-lg text-danger" role="presentation" aria-hidden="true"></span> <span class="sr-only">' . get_string('delete') . '</span>',
                     'confirm' => get_string('reallydeletethiscomment', 'artefact.comment'),
                     'name'  => 'delete_comment_submit',

htdocs/artefact/file/blocktype/gallery/js/configform.js

-$j('#instconf_select_container input[type="radio"][value="0"]').on("click", function() {
-    $j('#instconf_images_header').addClass('hidden');
-    $j('#instconf_images_container').addClass('hidden');
-    $j('#instconf_external_header').addClass('hidden');
-    $j('#instconf_external_container').addClass('hidden');
-    $j('#instconf_external').addClass('hidden');
-    $j('#externalgalleryhelp').addClass('hidden');
-    $j('#instconf_folder_header').removeClass('hidden');
-    $j('#instconf_folder_container').removeClass('hidden');
+$j('#instconf_select_container input[type="radio"][value="0"]').click(function() {
+    $j('#instconf_images_header').addClass('d-none');
+    $j('#instconf_images_container').addClass('d-none');
+    $j('#instconf_external_header').addClass('d-none');
+    $j('#instconf_external_container').addClass('d-none');
+    $j('#instconf_external').addClass('d-none');
+    $j('#externalgalleryhelp').addClass('d-none');
+    $j('#instconf_folder_header').removeClass('d-none');
+    $j('#instconf_folder_container').removeClass('d-none');
 });
-$j('#instconf_select_container input[type="radio"][value="1"]').on("click", function() {
-    $j('#instconf_folder_header').addClass('hidden');
-    $j('#instconf_folder_container').addClass('hidden');
-    $j('#instconf_external_header').addClass('hidden');