Contents

require File.dirname(__FILE__) + '/base'

##
# A special bar graph that shows a single dataset as a set of
# stacked bars. The bottom bar shows the running total and 
# the top bar shows the new value being added to the array.

class Gruffy::AccumulatorBar < Gruffy::StackedBar
  def draw
    raise(Gruffy::IncorrectNumberOfDatasetsException) unless @data.length == 1

    accum_array = @data.first[DATA_VALUES_INDEX][0..-2].inject([0]) { |a, v| a << a.last + v}
    data 'Accumulator', accum_array
    set_colors
    @data.reverse!
    super
  end
end

Version data entries

18 entries across 18 versions & 1 rubygems

Version	Path
gruffy-1.2.3	lib/gruffy/accumulator_bar.rb
gruffy-1.2.2	lib/gruffy/accumulator_bar.rb
gruffy-1.2.1	lib/gruffy/accumulator_bar.rb
gruffy-1.2.0	lib/gruffy/accumulator_bar.rb
gruffy-1.1.0	lib/gruffy/accumulator_bar.rb
gruffy-1.0.4	lib/gruffy/accumulator_bar.rb
gruffy-1.0.3	lib/gruffy/accumulator_bar.rb
gruffy-1.0.2	lib/gruffy/accumulator_bar.rb
gruffy-1.0.1	lib/gruffy/accumulator_bar.rb
gruffy-1.0.0	lib/gruffy/accumulator_bar.rb
gruffy-0.1.2	lib/gruffy/accumulator_bar.rb
gruffy-0.1.1	lib/gruffy/accumulator_bar.rb
gruffy-0.1.0	lib/gruffy/accumulator_bar.rb
gruffy-0.0.7	lib/gruffy/accumulator_bar.rb
gruffy-0.0.6	lib/gruffy/accumulator_bar.rb
gruffy-0.0.5	lib/gruffy/accumulator_bar.rb
gruffy-0.0.4	lib/gruffy/accumulator_bar.rb
gruffy-0.0.3	lib/gruffy/accumulator_bar.rb