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# frozen_string_literal: true
module Axlsx
# A Series defines the common series attributes and is the super class for all concrete series types.
# @note The recommended way to manage series is to use Chart#add_series
# @see Worksheet#add_chart
# @see Chart#add_series
class Series
include Axlsx::OptionsParser
# The chart that owns this series
# @return [Chart]
attr_reader :chart
# The title of the series
# @return [SeriesTitle]
attr_reader :title
# Creates a new series
# @param [Chart] chart
# @option options [Integer] order
# @option options [String] title
def initialize(chart, options = {})
@order = nil
self.chart = chart
@chart.series << self
parse_options options
end
# The index of this series in the chart's series.
# @return [Integer]
def index
@chart.series.index(self)
end
# The order of this series in the chart's series. By default the order is the index of the series.
# @return [Integer]
def order
@order || index
end
# @see order
def order=(v) Axlsx.validate_unsigned_int(v); @order = v; end
# @see title
def title=(v)
v = SeriesTitle.new(v) if v.is_a?(String) || v.is_a?(Cell)
DataTypeValidator.validate "#{self.class}.title", SeriesTitle, v
@title = v
end
private
# assigns the chart for this series
def chart=(v) DataTypeValidator.validate "Series.chart", Chart, v; @chart = v; end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
str << '<c:ser>'
str << '<c:idx val="' << index.to_s << '"/>'
str << '<c:order val="' << (order || index).to_s << '"/>'
title.to_xml_string(str) unless title.nil?
yield if block_given?
str << '</c:ser>'
end
end
end
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