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require 'action_view'
module KonoUtils
##
# Classe che si occupa di rappresentare un numero percentuale
# ES:
# p = Percentage.new(100,20)
# p.percentage -> ritorna il valore percentuale float
# p.to_i -> ritorna percentuale intera con relativi arrotondamenti
# p.to_percentage -> si comporta come l'helper number_to_percentage
class Percentage
include ActionView::Helpers::NumberHelper
attr_accessor :total, :partial
def initialize(total=0, partial=0)
@total = total
@partial = partial
end
##
#
# * *Args* :
# - options -> Hash :
# :locale - Sets the locale to be used for formatting (defaults to current locale).
#
# :precision - Sets the precision of the number (defaults to 3).
#
# :significant - If true, precision will be the # of significant_digits. If false, the # of fractional digits (defaults to false).
#
# :separator - Sets the separator between the fractional and integer digits (defaults to “.”).
#
# :delimiter - Sets the thousands delimiter (defaults to “”).
#
# :strip_insignificant_zeros - If true removes insignificant zeros after the decimal separator (defaults to false).
#
# :format - Specifies the format of the percentage string The number field is %n (defaults to “%n%”).
#
# :raise - If true, raises InvalidNumberError when the argument is invalid.
# * *Returns* :
# - String
#
def to_percentage(options = {})
number_to_percentage(percentage, options)
end
def percentage
return 0 if @partial==0
return 0 if @total<@partial
@partial.to_f/@total.to_f*100.0
end
def to_i
return 100 if @total.to_s == @partial.to_s
percentage.to_i
end
end
end
Version data entries
17 entries across 17 versions & 2 rubygems