class Axlsx::Scaling

def initialize(options = {})
  @orientation = :minMax
  @logBase, @min, @max = nil, nil, nil
  parse_options options
end

def logBase=(v) DataTypeValidator.validate "Scaling.logBase", [Integer], v, lambda { |arg| arg >= 2 && arg <= 1000 }; @logBase = v; end

def max=(v) DataTypeValidator.validate "Scaling.max", Float, v; @max = v; end

def min=(v) DataTypeValidator.validate "Scaling.min", Float, v; @min = v; end

def orientation=(v) RestrictionValidator.validate "Scaling.orientation", [:minMax, :maxMin], v; @orientation = v; end

def to_xml_string(str = '')
  str << '<c:scaling>'
  str << ('<c:logBase val="' << @logBase.to_s << '"/>') unless @logBase.nil?
  str << ('<c:orientation val="' << @orientation.to_s << '"/>') unless @orientation.nil?
  str << ('<c:min val="' << @min.to_s << '"/>') unless @min.nil?
  str << ('<c:max val="' << @max.to_s << '"/>') unless @max.nil?
  str << '</c:scaling>'
end