On Wednesday, October 10, 2012 5:38:15 PM UTC+1, Matt Jones wrote:
>
>
>
> On Wednesday, 10 October 2012 06:25:25 UTC-7, paul h wrote:
>>
>> Hi Norbert,
>>
>> Thanks for the reply, but can you elaborate a little?
>>
>> On Wednesday, October 10, 2012 12:01:54 PM UTC+1, Norbert Melzer wrote:
>>>
>>>
>>> Am 10.10.2012 09:47 schrieb "paul h" <pa...@hollyer.me.uk>:
>>>
>>> > # I want to be able to display 'bar' on the contacts page
>>> > = link_to "Contacts", contacts_path, :data => {:foo => 'bar'}
>>>
>>> Should be params=>.... I here if I recall correctly.
>>>
>>
>> Doesn't appear to be, replacing :data with :params changes the HTML link
>> as follows:
>> data-foo='bar' becomes params="{:foo=>"bar"}"
>>
>> Changing :data to params just mashes up the html link.
>>
>> AFAIK the generated HTML link is correct data-foo='bar', shouldn't this
>> be accessible in the controller as part of the params hash?
>>
>> If I inspect the params hash, all that is there is the usual key/value
>> pairs: controller, action, (when applicable => id, method,
>> authenticity_token).
>>
>> How can I send an additional data attribute to the controller? Do I have
>> problem with my routes?
>>
>>
> Data-attributes are intended for code *on* the page (JS, etc) to use -
> they don't get sent to the server unless you're doing something fancy with
> JS to send them. You'll want to pass additional parameters to the URL
> helper (contacts_path in your example) to get them in the controller.
>
Thanks for the info Matt. Now I remember where I may have seen it used - I
think it was a Railscast for Unobtrusive JS.
>
> --Matt Jones
>
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