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# frozen_string_literal: true
module Axlsx
# The ScatterChart allows you to insert a scatter chart into your worksheet
# @see Worksheet#add_chart
# @see Chart#add_series
# @see README for an example
class ScatterChart < Chart
include Axlsx::OptionsParser
# The Style for the scatter chart
# must be one of :none | :line | :lineMarker | :marker | :smooth | :smoothMarker
# return [Symbol]
attr_reader :scatter_style
alias :scatterStyle :scatter_style
# the x value axis
# @return [ValAxis]
def x_val_axis
axes[:x_val_axis]
end
alias :xValAxis :x_val_axis
# the y value axis
# @return [ValAxis]
def y_val_axis
axes[:y_val_axis]
end
alias :yValAxis :y_val_axis
# Creates a new scatter chart
def initialize(frame, options = {})
@vary_colors = 0
@scatter_style = :lineMarker
super(frame, options)
@series_type = ScatterSeries
@d_lbls = nil
parse_options options
end
# see #scatterStyle
def scatter_style=(v)
Axlsx.validate_scatter_style(v)
@scatter_style = v
end
alias :scatterStyle= :scatter_style=
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
super(str) do
str << '<c:scatterChart>'
str << '<c:scatterStyle val="' << scatter_style.to_s << '"/>'
str << '<c:varyColors val="' << vary_colors.to_s << '"/>'
@series.each { |ser| ser.to_xml_string(str) }
d_lbls.to_xml_string(str) if @d_lbls
axes.to_xml_string(str, ids: true)
str << '</c:scatterChart>'
axes.to_xml_string(str)
end
str
end
# The axes for the scatter chart. ScatterChart has an x_val_axis and
# a y_val_axis
# @return [Axes]
def axes
@axes ||= Axes.new(x_val_axis: ValAxis, y_val_axis: ValAxis)
end
end
end
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