Set the elements from the data obtained from REST API.

        Args:
            values (dict): Dict with ``mrc``, ``oai``, ``dc`` and ``fn`` keys.

def set(cls, values):
        """
        Set the elements from the data obtained from REST API.

        Args:
            values (dict): Dict with ``mrc``, ``oai``, ``dc`` and ``fn`` keys.
        """
        cls.mrc_out_el.text = values.get("mrc", "")
        cls.oai_out_el.text = values.get("oai", "")
        cls.dc_out_el.text = values.get("dc", "")
        cls.filename = values.get("fn", "fn")

        cls.values = values