def parse(node)
      text_box_content_node = node.xpath('w:txbxContent').first
      text_box_content_node.xpath('*').each_with_index do |node_child, index|
        case node_child.name
        when 'p'
          @elements << DocxParagraph.new(parent: self).parse(node_child, index)
        when 'tbl'
          @elements << Table.new(parent: self).parse(node_child, index)
        when 'bodyPr'
          @properties = OOXMLShapeBodyProperties.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse(node)
      text_box_content_node = node.xpath('w:txbxContent').first
      text_box_content_node.xpath('*').each_with_index do |node_child, index|
        case node_child.name
        when 'p'
          @elements << DocxParagraph.new(parent: self).parse(node_child, index)
        when 'tbl'
          @elements << Table.new(parent: self).parse(node_child, index)
        when 'bodyPr'
          @properties = OOXMLShapeBodyProperties.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse OOXMLTextBox object
 @param node [Nokogiri::XML:Element] node to parse
 @return [OOXMLTextBox] result of parsing