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Added :format option to NumberHelper#number_to_currency to enable better localization support #11149 [lylo]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9052 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2008-03-17 22:08:25 +00:00
parent 75d98db73d
commit 3c0fd445c0
3 changed files with 11 additions and 1 deletions
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2
actionpack/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Added :format option to NumberHelper#number_to_currency to enable better localization support #11149 [lylo]
* Fixed that TextHelper#excerpt would include one character too many #11268 [Irfy]
* Fix more obscure nested parameter hash parsing bug. #10797 [thomas.lee]

9
actionpack/lib/action_view/helpers/number_helper.rb
View file

@ -54,6 +54,10 @@ module ActionView
# * <tt>:unit</tt> - Sets the denomination of the currency (defaults to "$").
# * <tt>:separator</tt> - Sets the separator between the units (defaults to ".").
# * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ",").
# * <tt>:format</tt> - Sets the format of the output string (defaults to "%u%n"). The field types are:
#
# %u The currency unit
# %n The number
#
# ==== Examples
# number_to_currency(1234567890.50) # => $1,234,567,890.50
@ -62,16 +66,19 @@ module ActionView
#
# number_to_currency(1234567890.50, :unit => "&pound;", :separator => ",", :delimiter => "")
# # => &pound;1234567890,50
# number_to_currency(1234567890.50, :unit => "&pound;", :separator => ",", :delimiter => "", :format => "%n %u")
# # => 1234567890,50 &pound;
def number_to_currency(number, options = {})
options = options.stringify_keys
precision = options["precision"] || 2
unit = options["unit"] || "$"
separator = precision > 0 ? options["separator"] || "." : ""
delimiter = options["delimiter"] || ","
format = options["format"] || "%u%n"
begin
parts = number_with_precision(number, precision).split('.')
unit + number_with_delimiter(parts[0], delimiter) + separator + parts[1].to_s
format.gsub(/%n/, number_with_delimiter(parts[0], delimiter) + separator + parts[1].to_s).gsub(/%u/, unit)
rescue
number
end

1
actionpack/test/template/number_helper_test.rb
View file

@ -25,6 +25,7 @@ class NumberHelperTest < Test::Unit::TestCase
assert_equal("$1,234,567,890.5", number_to_currency(1234567890.50, {:precision => 1}))
assert_equal("&pound;1234567890,50", number_to_currency(1234567890.50, {:unit => "&pound;", :separator => ",", :delimiter => ""}))
assert_equal("$1,234,567,890.50", number_to_currency("1234567890.50"))
assert_equal("1,234,567,890.50 K&#269;", number_to_currency("1234567890.50", {:unit => "K&#269;", :format => "%n %u"}))
assert_equal("$x.", number_to_currency("x"))
assert_nil number_to_currency(nil)
end