def METHOD_NAME(cls, node, runtime, keys, id_generator):
    """
    Construct this XBlock from the given XML node.
    """
    block = runtime.construct_xblock_from_class(cls, keys)
    block.values = cls.values.from_string(node.get('values', '[]'))
    block.width = node.get('width', '')
    block.height = node.get('height', '')
    block.content = str(node.text or "")
    for child in node:
        block.content += etree.tostring(child, encoding='unicode')
    return block