kartik\tree\TreeViewInput::renderToolbar PHP Метод

    public function renderToolbar()
    {
        if (!$this->showToolbar) {
            return '';
        }
        unset($this->toolbar[self::BTN_CREATE], $this->toolbar[self::BTN_CREATE_ROOT], $this->toolbar[self::BTN_REMOVE]);
        return parent::renderToolbar();
    }