Sha256: b830eaba77a5aa35584aab641875cca8852fad4a349f769e39671ea444503324
Contents?: true
Size: 1.17 KB
Versions: 16
Compression:
Stored size: 1.17 KB
Contents
# frozen_string_literal: true
# @private
module Gruff::Base::StackedMixin
# Used by StackedBar and child classes.
#
# tsal: moved from Base 03 FEB 2007
def calculate_maximum_by_stack
# Get sum of each stack
max_hash = Hash.new { |h, k| h[k] = 0.0 }
store.data.each do |data_set|
data_set.points.each_with_index do |data_point, i|
max_hash[i] += data_point.to_f
end
end
max_hash.each_key do |key|
self.maximum_value = max_hash[key] if max_hash[key] > maximum_value
self.minimum_value = max_hash[key] if max_hash[key] < minimum_value
end
raise "Can't handle negative values in stacked graph" if minimum_value < 0
end
def normalized_stacked_bars
@normalized_stacked_bars ||= begin
stacked_bars = Array.new(column_count) { [] }
store.norm_data.each_with_index do |data_row, row_index|
data_row.points.each_with_index do |data_point, point_index|
stacked_bars[point_index] << BarData.new(data_point, store.data[row_index].points[point_index], data_row.color)
end
end
stacked_bars
end
end
# @private
class BarData < Struct.new(:point, :value, :color)
end
end
Version data entries
16 entries across 16 versions & 1 rubygems