On Wednesday, April 3, 2013 6:21:59 AM UTC+1, eggie5 wrote:
>
> I want to know this too. Did you find out?
>
>
That fields_for method is an instance method of FormBuilder, which has
an attr_accessor :options
Fred
> On Wednesday, March 21, 2012 2:12:09 PM UTC-7, John Merlino wrote:
>>
>> Hey all,
>>
>> I looked at source code for fields_for:
>>
>> def fields_for(record_name, record_object = nil, fields_options = {},
>> &block)
>> fields_options, record_object = record_object, nil if
>> record_object.is_a?(Hash) && record_object.extractable_options?
>> fields_options[:builder] ||= options[:builder]
>> fields_options[:parent_builder] = self
>> fields_options[:namespace] =
>> fields_options[:parent_builder].options[:namespace]
>>
>> case record_name
>> when String, Symbol
>> if nested_attributes_association?(record_name)
>> return fields_for_with_nested_attributes(record_name,
>> record_object, fields_options, block)
>> end
>> else
>> record_object = record_name.is_a?(Array) ? record_name.last :
>> record_name
>> record_name = ActiveModel::Naming.param_key(record_object)
>> end
>>
>> index = if options.has_key?(:index)
>> "[#{options[:index]}]"
>> elsif defined?(@auto_index)
>> self.object_name = @object_name.to_s.sub(%r\[\]$/,"")
>> "[#{@auto_index}]"
>> end
>> record_name = "#{object_name}#{index}[#{record_name}]"
>>
>> @template.fields_for(record_name, record_object, fields_options,
>> &block)
>> end
>>
>> Notice this part:
>>
>> options[:builder]
>>
>> this options hash is no where to be defined. In argument list, there's
>> only a fields_options hash. Reason why this matters to me is because I
>> am trying to override this method in my application_helper.rb in order
>> to extend it.
>
>
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