def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'shape'
          element = OldDocxGroupElement.new(:shape)
          element.object = OldDocxShape.new(parent: self).parse(node_child)
          @elements << element
        when 'wrap'
          @properties.wrap = node_child.attribute('type').value.to_sym unless node_child.attribute('type').nil?
        when 'group'
          @elements << OldDocxGroup.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'shape'
          element = OldDocxGroupElement.new(:shape)
          element.object = OldDocxShape.new(parent: self).parse(node_child)
          @elements << element
        when 'wrap'
          @properties.wrap = node_child.attribute('type').value.to_sym unless node_child.attribute('type').nil?
        when 'group'
          @elements << OldDocxGroup.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse OldDocxGroup object
 @param node [Nokogiri::XML:Element] node to parse
 @return [OldDocxGroup] result of parsing