On 2.7.2008, at 21.00, Benjamin Meichsner wrote:
Hey Jarkko,
thanks for your comment. I give it another try:
# the extensions
class String
def to_delocalized_decimal
BigDecimal.new(self.sub(',', '.'))
rescue
self
end
end
class BigDecimal
def to_localized_string(precision=2)
("%01.#{precision}f" % self).to_s.sub('.', ',')
rescue
self.to_s
end
end
# my ActiveRecord-Class
class Article < ActiveRecord::Base
def localized_price=(value)
self.price = value.to_delocalized_decimal unless value.blank?
end
def localized_price
price.to_localized_string if price
end
end
# my new.html.erb
...
<b>Price</b><br />
<%= f.text_field :localized_price %>
But I guess, you have a solution more elegant? I'm dreaming of an
ActiveRecordPlugin, so I just have to write ..
Sorry, I've just used a before_save filter defined in AR::Base. It would be fairly easy to make a plugin out of that, all it takes is some metaprogramming skills. If you aren't familiar with metaprogramming in Ruby, I highly recommend PragDave's recent screencasts (http://www.pragprog.com/screencasts/v-dtrubyom/the-ruby-object-model-and-metaprogramming ). They'll cost you $5 a piece, but with the current state of the dollar that's not too much asked imho.
Cheers, //jarkko -- Jarkko Laine http://jlaine.net http://dotherightthing.com http://www.railsecommerce.com http://odesign.fi
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