Sorry, my mistake:
module OrdersHelper
def options_for_association_conditions(association)
if association.name == :cost_code
["cost_codes.id" IN @record.subcontractor.costcode_id]
else
super
end
end
2011/10/15 Cláudio Forain <[email protected]>:
> I see. I'm not an expert, but I will try to help :p
> Considering your tables have these fields:
>
> Order: subcontractor_id, costcode_id
> Subcontractor: costcode_id
>
> Well, here I would try to do something like this in options_helper.rb
>
> module OrdersHelper
> def options_for_association_conditions(association)
> if association.name == :cost_code
> ["cost_codes.id" IN @record.costcode_id]
> else
> super
> end
> end
>
> That worked around here, you should try.
> end
>
> On Sat, Oct 15, 2011 at 11:06 AM, JB <[email protected]> wrote:
>> I looked at the wiki article and still couldn't seem to figure it out.
>>
>> And no, my model really doesn't have the reverse association. The cost
>> codes are just a table that provides a bunch of values that can be
>> selected for a drop down list that is used in multiple places.
>>
>> On Oct 15, 8:59 am, Cláudio Forain <[email protected]> wrote:
>>> Maybe this will help:
>>>
>>> https://github.com/activescaffold/active_scaffold/wiki/Chaining-Form-...
>>>
>>> PS: Just out of curiosity, shouldn't your model be something like this?
>>>
>>> class CostCode < ActiveRecord::Base
>>> has_many :subcontractors
>>> has_many :orders
>>> end
>>>
>>> On Sat, Oct 15, 2011 at 10:47 AM, JB <[email protected]> wrote:
>>> > I have the following model:
>>>
>>> > class CostCode < ActiveRecord::Base
>>> > end
>>>
>>> > class SubContractor < ActiveRecord::Base
>>> > has_many :orders
>>> > belongs_to :cost_code
>>> > end
>>>
>>> > class Order < ActiveRecord::Base
>>> > belongs_to :sub_contractor
>>> > belongs_to :cost_code
>>> > end
>>>
>>> > The UI for Order.sub_contractor is a select box. When I select the
>>> > sub_contractor on the order, how can I chain the fields so that the
>>> > sub_contractor.cost_code is used to populate the order.cost_code?
>>>
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>>>
>>
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