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# frozen_string_literal: true
module Axlsx
# A LineSeries defines the title, data and labels for line charts
# @note The recommended way to manage series is to use Chart#add_series
# @see Worksheet#add_chart
# @see Chart#add_series
class LineSeries < Series
# The data for this series.
# @return [ValAxisData]
attr_reader :data
# The labels for this series.
# @return [CatAxisData]
attr_reader :labels
# The fill color for this series.
# Red, green, and blue is expressed as sequence of hex digits, RRGGBB. A perceptual gamma of 2.2 is used.
# @return [String]
attr_reader :color
# show markers on values
# @return [Boolean]
attr_reader :show_marker
# custom marker symbol
# @return [String]
attr_reader :marker_symbol
# line smoothing on values
# @return [Boolean]
attr_reader :smooth
# Creates a new series
# @option options [Array, SimpleTypedList] data
# @option options [Array, SimpleTypedList] labels
# @param [Chart] chart
def initialize(chart, options = {})
@show_marker = false
@marker_symbol = options[:marker_symbol] || :default
@smooth = false
@labels, @data = nil, nil
super(chart, options)
@labels = AxDataSource.new(data: options[:labels]) unless options[:labels].nil?
@data = NumDataSource.new(options) unless options[:data].nil?
end
# @see color
def color=(v)
@color = v
end
# @see show_marker
def show_marker=(v)
Axlsx::validate_boolean(v)
@show_marker = v
end
# @see marker_symbol
def marker_symbol=(v)
Axlsx::validate_marker_symbol(v)
@marker_symbol = v
end
# @see smooth
def smooth=(v)
Axlsx::validate_boolean(v)
@smooth = v
end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
super(str) do
if color
str << '<c:spPr><a:solidFill>'
str << '<a:srgbClr val="' << color << '"/>'
str << '</a:solidFill>'
str << '<a:ln w="28800">'
str << '<a:solidFill>'
str << '<a:srgbClr val="' << color << '"/>'
str << '</a:solidFill>'
str << '</a:ln>'
str << '<a:round/>'
str << '</c:spPr>'
end
if !@show_marker
str << '<c:marker><c:symbol val="none"/></c:marker>'
elsif @marker_symbol != :default
str << '<c:marker><c:symbol val="' << @marker_symbol.to_s << '"/></c:marker>'
end
@labels.to_xml_string(str) unless @labels.nil?
@data.to_xml_string(str) unless @data.nil?
str << '<c:smooth val="' << ((smooth) ? '1' : '0') << '"/>'
end
end
private
# assigns the data for this series
def data=(v) DataTypeValidator.validate "Series.data", [NumDataSource], v; @data = v; end
# assigns the labels for this series
def labels=(v) DataTypeValidator.validate "Series.labels", [AxDataSource], v; @labels = v; end
end
end
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