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# frozen_string_literal: true
module Axlsx
# A BarSeries defines the title, data and labels for bar charts
# @note The recommended way to manage series is to use Chart#add_series
# @see Worksheet#add_chart
# @see Chart#add_series
class BarSeries < Series
# The data for this series.
# @return [NumDataSource]
attr_reader :data
# The labels for this series.
# @return [Array, SimpleTypedList]
attr_reader :labels
# The shape of the bars or columns
# @return [Symbol] must be one of [:cone, :coneToMax, :box, :cylinder, :pyramid, :pyramidToMax]
attr_reader :shape
# An array of rgb colors to apply to your bar chart.
attr_reader :colors
# The fill color for this series.
# Red, green, and blue is expressed as sequence of hex digits, RRGGBB.
# @return [String]
attr_reader :series_color
# Creates a new series
# @option options [Array, SimpleTypedList] data
# @option options [Array, SimpleTypedList] labels
# @option options [String] title
# @option options [String] shape
# @option options [String] colors an array of colors to use when rendering each data point
# @option options [String] series_color a color to use when rendering series
# @param [Chart] chart
def initialize(chart, options = {})
@shape = :box
@colors = []
super(chart, options)
self.labels = AxDataSource.new({ data: options[:labels] }) unless options[:labels].nil?
self.data = NumDataSource.new(options) unless options[:data].nil?
end
# @see colors
def colors=(v) DataTypeValidator.validate "BarSeries.colors", [Array], v; @colors = v end
def series_color=(v)
@series_color = v
end
# @see shape
def shape=(v)
RestrictionValidator.validate "BarSeries.shape", [:cone, :coneToMax, :box, :cylinder, :pyramid, :pyramidToMax], v
@shape = v
end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
super(str) do
colors.each_with_index do |c, index|
str << '<c:dPt>'
str << '<c:idx val="' << index.to_s << '"/>'
str << '<c:spPr><a:solidFill>'
str << '<a:srgbClr val="' << c << '"/>'
str << '</a:solidFill></c:spPr></c:dPt>'
end
if series_color
str << '<c:spPr><a:solidFill>'
str << '<a:srgbClr val="' << series_color << '"/>'
str << '</a:solidFill>'
str << '</c:spPr>'
end
@labels.to_xml_string(str) unless @labels.nil?
@data.to_xml_string(str) unless @data.nil?
# this is actually only required for shapes other than box
str << '<c:shape val="' << shape.to_s << '"></c:shape>'
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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