tilde.news/lib/time_series.rb

22 lines
555 B
Ruby

class TimeSeries < SVG::Graph::TimeSeries
include ActionView::Helpers::NumberHelper
# these two methods are a patch on the gem's lack of time zone awareness
def format x, y, description
[
Time.at(x).utc.strftime(popup_format),
number_with_delimiter(y),
description,
].compact.join(', ')
end
def get_x_labels
get_x_values.collect {|v| Time.at(v).utc.strftime(x_label_format) }
end
# improves y axis labels with commas
def get_y_labels
get_y_values.collect {|v| number_with_delimiter(v.to_i) }
end
end