Create new folder as child of selected folder.

program/js/app.js

@@ -2535,6 +2535,8 @@ function rcube_webmail()
     var form;
     if ((form = this.gui_objects.editform) && form.elements['_folder_name'])
       name = form.elements['_folder_name'].value;
+    if (this.env.folder)
+      name = this.env.folder+this.env.delimiter+name;
 
     if (name)
       this.http_post('create-folder', '_name='+urlencode(name), true);

program/steps/settings/manage_folders.inc

@@ -53,7 +53,8 @@ else if ($_action=='create-folder')
 
   if ($create && $OUTPUT->ajax_call)
     {
-    $OUTPUT->command('add_folder_row', $create, rcube_charset_convert($create, 'UTF-7'));
+    $display_create = str_repeat('    ', substr_count($create, $IMAP->delimiter)) . preg_replace('/.*' . preg_quote($IMAP->delimiter) . '/', '', rcube_charset_convert($create, 'UTF-7'));
+    $OUTPUT->command('add_folder_row', $create, $display_create);
     $OUTPUT->send();
     }
   else if (!$create && $OUTPUT->ajax_call)