def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'dLblPos'
          @position = value_to_symbol(node_child.attribute('val'))
        when 'showLegendKey'
          @show_legend_key = true if node_child.attribute('val').value == '1'
        when 'showVal'
          @show_values = true if node_child.attribute('val').value == '1'
        when 'showCatName'
          @show_category_name = option_enabled?(node_child)
        when 'showSerName'
          @show_series_name = option_enabled?(node_child)
        when 'delete'
          @delete = option_enabled?(node_child)
        end
      end
      self
    end
def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'dLblPos'
          @position = value_to_symbol(node_child.attribute('val'))
        when 'showLegendKey'
          @show_legend_key = true if node_child.attribute('val').value == '1'
        when 'showVal'
          @show_values = true if node_child.attribute('val').value == '1'
        when 'showCatName'
          @show_category_name = option_enabled?(node_child)
        when 'showSerName'
          @show_series_name = option_enabled?(node_child)
        when 'delete'
          @delete = option_enabled?(node_child)
        end
      end
      self
    end
Parse DisplayLabelsProperties object
 @param node [Nokogiri::XML:Element] node to parse
 @return [DisplayLabelsProperties] result of parsing