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Contents
module OpenStax::Utilities
class ActionList
def initialize(options={})
@options = options
raise IllegalArgument, "must supply data procs" if options[:data_procs].nil?
if options[:headings].present? && options[:data_procs].size != options[:headings].size
raise IllegalArgument, "if you supply headings, you must supply one for each column"
end
if options[:widths].present? && options[:data_procs].size != options[:widths].size
raise IllegalArgument, "if you supply widths, you must supply one for each column"
end
end
def num_columns
@options[:data_procs].size
end
def has_headings?
@options[:headings].present?
end
def get_heading(column)
@options[:headings].nil? ? nil : @options[:headings][column]
end
def get_width(column)
@options[:widths].nil? ? nil : @options[:widths][column]
end
def get_data(column, *args)
@options[:data_procs][column].call(*args)
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems