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# frozen_string_literal: true
module Axlsx
# The BubbleChart allows you to insert a bubble chart into your worksheet
# @see Worksheet#add_chart
# @see Chart#add_series
# @see README for an example
class BubbleChart < Chart
include Axlsx::OptionsParser
# 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 bubble chart
def initialize(frame, options = {})
@vary_colors = 0
super(frame, options)
@series_type = BubbleSeries
@d_lbls = nil
parse_options options
end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
super(str) do
str << '<c:bubbleChart>'
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:bubbleChart>'
axes.to_xml_string(str)
end
str
end
# The axes for the bubble chart. BubbleChart 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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