@NotNull
  @Override
  protected DefaultActionGroup createToolbarActions() {
    DefaultActionGroup defaultGroup = super.createToolbarActions();
    if (myDeletableFiles) {
      AnAction deleteAction = new DeleteAction(null, null, IconUtil.getRemoveIcon()) {
        @Override
        public void actionPerformed(@NotNull AnActionEvent e) {
          super.actionPerformed(e);
          myFileList.rebuildTree();
        }
      };
      ActionUtil.mergeFrom(deleteAction, IdeActions.ACTION_DELETE);
      deleteAction.registerCustomShortcutSet(getFileList(), null);
      defaultGroup.add(deleteAction);
    }
    return defaultGroup;
  }
@NotNull
  @Override
  protected DefaultActionGroup createToolbarActions()