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Size: 1.21 KB
Versions: 17
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Stored size: 1.21 KB
Contents
class StaticChart
class Area < StaticChart
def defaults
super.merge(
line_weight: 0,
axes: :right )
end
def line_weight
options[:line_weight]
end
def marker_colors
options.fetch(:marker_colors, colors)
end
def data
@data ||= stack_data(super)
end
def min
options.fetch(:min, 0) # data.last.min
end
def max
options.fetch(:max, data.flatten.compact.max)
end
def src
src = Gchart.line(
data: data.reverse,
bar_colors: colors.reverse,
bg: bg,
axis_range: [[min, max]],
min_value: min,
max_value: max,
size: size )
src << chm
src << chls
src << chxs
src
end
protected
def stack_data(data)
return [] if data.empty?
length = data.map(&:length).max
last_line = [0] * length
data.map { |line| last_line = length.times.map { |i| last_line.fetch(i, 0) + line.fetch(i, 0) } }
end
def markers
marker_colors.reverse.each_with_index.map { |color, i| "B,#{color},#{i},0,0" }
end
def chls
"&chls=" + (["#{line_weight},0,0"] * (data.length-1)).join("|") + "|0,0,0"
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems