show notification when renaming a file to ''

diff --git a/apps/files/js/filelist.js b/apps/files/js/filelist.js
index 96dd0323d29a4b463ca96d2f6c789fc63a0deb91..cf86cc60979088b3fe87d59618e83c31e3fe3450 100644 (file)
--- a/apps/files/js/filelist.js
+++ b/apps/files/js/filelist.js
@@ -151,6 +151,10 @@ var FileList={
                        var newname=input.val();
                        if (Files.containsInvalidCharacters(newname)) {
                                return false;
+                       } else if (newname.length == 0) {
+                               $('#notification').text(t('files', "Name cannot be empty."));
+                               $('#notification').fadeIn();
+                               return false;
                        }
                        if (newname != name) {
                                if (FileList.checkName(name, newname, false)) {