chart.rb
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	class Chart < Hash
	class Pie
	attr_accessor :chart_opts

	def initialize(series, opts)
	@chart_opts = {
	chart: {
	plotBackgroundColor: nil,
	plotBorderWidth: nil,
	plotShadow: false,
	type: 'pie'
	},
	title: { text: opts[:title] },
	tooltip: { pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>' },
	plotOptions: {
	pie: {
	allowPointSelect: true,
	cursor: 'pointer',
	dataLabels: { enabled: false },
	showInLegend: true
	}
	},
	series: [
	{
	name: opts[:name],
	colorByPoint: true,
	data: series
	}
	]
	}
	end
	end

	class ColumnTwoAxis
	attr_accessor :chart_opts

	def initialize(series, opts)
	@chart_opts = {
	chart: { type: 'column' },
	title: { text: opts[:title] },
	xAxis: {
	categories: opts[:categories],
	crosshair: true
	},
	yAxis: opts[:yaxis],
	tooltip: { shared: true },
	plotOptions: {
	column: {
	pointPadding: 0.2,
	borderWidth: 0
	}
	},
	series: series
	}
	end
	end
	end