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Contents
require 'multi_json'
module MetricFu
class Grapher
@graphers = []
# @return all subclassed graphers [Array<MetricFu::Grapher>]
def self.graphers
@graphers
end
def self.inherited(subclass)
@graphers << subclass
end
def self.get_grapher(metric)
graphers.find{|grapher|grapher.metric.to_s == metric.to_s}
end
BLUFF_GRAPH_SIZE = "1000x600"
BLUFF_DEFAULT_OPTIONS = <<-EOS
var g = new Bluff.Line('graph', "#{BLUFF_GRAPH_SIZE}");
g.theme_37signals();
g.tooltips = true;
g.title_font_size = "24px"
g.legend_font_size = "12px"
g.marker_font_size = "10px"
EOS
attr_accessor :output_directory
def initialize(opts = {})
self.output_directory = opts[:output_directory]
end
def output_directory
@output_directory || MetricFu::Io::FileSystem.directory('output_directory')
end
def get_metrics(metrics, sortable_prefix)
not_implemented
end
def graph!
title = send(:title)
data = send(:data)
labels = MultiJson.dump(@labels)
output_filename = send(:output_filename)
content = <<-EOS
#{BLUFF_DEFAULT_OPTIONS}
g.title = '#{title}';
#{build_data(data)}
g.labels = #{labels};
g.draw();
EOS
File.open(File.join(self.output_directory, output_filename), 'w') {|f| f << content }
end
def title
not_implemented
end
def date
not_implemented
end
def output_filename
not_implemented
end
private
def build_data(data)
Array(data).map do |label, datum|
"g.data('#{label}', [#{datum}]);"
end.join("\n")
end
def not_implemented
raise "#{__LINE__} in #{__FILE__} from #{caller[0]}"
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems