Sha256: 39c1cee6aa118459c00ef76a2dd257a7481da1f870d7a478f9ec301669c3ef0e
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Size: 709 Bytes
Versions: 22
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Stored size: 709 Bytes
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 Gruff::AccumulatorBar < Gruff::StackedBar
def draw
raise(Gruff::IncorrectNumberOfDatasetsException) unless @data.length == 1
accumulator_array = []
index = 0
increment_array = @data.first[DATA_VALUES_INDEX].inject([]) {|memo, value|
memo << ((index > 0) ? (value + memo.max) : value)
accumulator_array << memo[index] - value
index += 1
memo
}
data "Accumulator", accumulator_array
super
end
end
Version data entries
22 entries across 22 versions & 10 rubygems