public function editFieldValue($field_id, $field_value_id = null)
    {
        $this->setFieldFieldValue($field_id);
        $this->setFieldValue($field_value_id);
        $this->setTitleEditFieldValue();
        $this->setBreadcrumbEditFieldValue();

        $this->setData('field', $this->data_field);
        $this->setData('field_value', $this->data_field_value);
        $this->setData('widget_types', $this->field->getWidgetTypes());
        $this->setData('languages', $this->language->getList(array('enabled' => true)));

        $this->submitEditFieldValue();
        $this->setDataImagesEditFieldValue();

        $this->outputEditFieldValue();
    }