Class: Charty::Plotlyjs

Inherits:
PlotterAdapter
  • Object
show all
Defined in:
lib/charty/backends/plotlyjs.rb

Constant Summary collapse

Name = 
"plotlyjs"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Plotlyjs

Returns a new instance of Plotlyjs.



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# File 'lib/charty/backends/plotlyjs.rb', line 15

def initialize
  # do nothing
  @plot = nil
end

Instance Method Details

#data(context) ⇒ Object 



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# File 'lib/charty/backends/plotlyjs.rb', line 32

def data(context)
  # minus_color = '#cccccc'
  # plus_color = '#66ff66'
  minus_color = '#999999'
  plus_color = '#00d42f'

  # scatter
  # bar
  # heatmap
  # bubble
  # area (scatter, tonexty)
  # barh (bar, orientation: 'h')
  # waterfall
  # pie
  # sunburst
  case context.method
  when :bar
    context.series.map do |data|
      y_minus = data.ys.select{|i| i < 0}
      x_minus = data.xs[0..(y_minus.size - 1)]
      y_plus = data.ys.select{|i| i >= 0}
      x_plus = data.xs[y_minus.size..-1]

      minus = {
        x: x_minus,
        y: y_minus,
        type: "#{context.method}",
        marker: {
          color: "#{minus_color}",
        }
      }
      plus = {
        x: x_plus,
        y: y_plus,
        type: "#{context.method}",
        marker: {
          color: "#{plus_color}",
        }
      }
      [minus, plus]
    end
  when :barh
    context.series.map do |data|
      x_plus = data.xs.select{|i| i >= 0}
      y_plus = data.ys[0..(x_plus.size - 1)]
      x_minus = data.xs.select{|i| i < 0}
      y_minus = data.ys[x_plus.size..-1]

      minus = {
        x: x_minus,
        y: y_minus,
        type: 'bar',
        orientation: 'h',
        marker: {
          color: "#{minus_color}",
        }
      }
      plus = {
        x: x_plus,
        y: y_plus,
        type: 'bar',
        orientation: 'h',
        marker: {
          color: "#{plus_color}",
        }
      }
      [plus, minus]
    end
  end
end

#label(x, y) ⇒ Object 



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# File 'lib/charty/backends/plotlyjs.rb', line 20

def label(x, y)
end

#series=(series) ⇒ Object 



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# File 'lib/charty/backends/plotlyjs.rb', line 23

def series=(series)
  @series = series
end

#to_json(context) ⇒ Object 



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# File 'lib/charty/backends/plotlyjs.rb', line 27

def to_json(context)
  require 'json'
  data(context)[0].to_json
end