69 lines
2.2 KiB
Ruby
69 lines
2.2 KiB
Ruby
module NumberFormattable
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extend ActiveSupport::Concern
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def precision
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return @precision if defined? @precision
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@number_formats = Lookup.number_formats if !defined? @number_formats
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if @number_formats
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@precision = @number_formats.find? { |x| x.name.parameterize.underscore == 'precision'}.value.to_i rescue nil
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end
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if @precision.nil?
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@print_settings = PrintSetting.get_precision_delimiter if !defined? @print_settings
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if @print_settings
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@precision = @print_settings.precision.to_i
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else
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@precision = 2
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end
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end
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end
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def delimiter
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return @delimiter if defined? @delimiter
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@number_formats = Lookup.number_formats if !defined? @number_formats
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if @number_formats
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@delimiter = @number_formats.find { |f| f.name.parameterize.underscore == 'delimiter'}.value.gsub(/\\u(\h{4})/) { |m| [$1].pack("H*").unpack("n*").pack("U*") } rescue nil
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end
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if @delimiter.nil?
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@print_settings = PrintSetting.get_precision_delimiter if !defined? @print_settings
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if @print_settings && @print_settings.delimiter
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@delimiter = ","
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else
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@delimiter = ","
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end
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end
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end
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def strip_insignificant_zeros
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return @strip_insignificant_zeros if defined? @strip_insignificant_zeros
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@number_formats = Lookup.number_formats if !defined? @number_formats
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if @number_formats
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@strip_insignificant_zeros = @number_formats.find { |f| f.name.parameterize.underscore == 'strip_insignificant_zeros'}.value.in? ['1', 't', 'true', 'on', 'y', 'yes'] rescue false
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end
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end
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def number_format(number, options = {})
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options[:precision] = options[:precision] || precision
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# options[:delimiter] = options[:delimiter] || delimiter
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options[:strip_insignificant_zeros] = options[:strip_insignificant_zeros] || strip_insignificant_zeros
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number = number.to_f.round(options[:precision])
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if options[:precision] > 0
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if options[:strip_insignificant_zeros]
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formatted = "%.12g" % number
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else
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formatted = "%.#{options[:precision]}f" % number
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end
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else
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formatted = number.to_i.to_s
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end
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if options[:delimiter] && !options[:delimiter].empty?
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formatted = formatted.gsub(/(\d)(?=\d{3}+(\.\d*)?$)/, "\\1#{options[:delimiter]}")
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end
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return formatted
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end
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end
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