Rails - Sep 2005 - Scaffold generator and linked tables.

Hi,

I have a number of tables that are linked via foriegn keys. When I
added the belongs_to relationship to the tables, and re-ran the
scaffold generator, there was no link that showed up in the list or
edit view.

I looked at the code it generated and it defaults to displaying
MyModel.content_columns which exclude any with ''_id'' for FKs.
I had
thought it would throw in a link to another scaffold generated viewer
or something. Of course, I can edit this by hand and put in the right
name/description value from the linked table.

What I''d like to know is are there going to be any automated steps for
this in future generators. Should I edit the code for the generator to
"do the right thing?"

Thanks,
Ed

On 29.9.2005, at 20.55, Ed Howland wrote:
> Hi,
>
> I have a number of tables that are linked via foriegn keys. When I
> added the belongs_to relationship to the tables, and re-ran the
> scaffold generator, there was no link that showed up in the list or
> edit view.
>
> I looked at the code it generated and it defaults to displaying
> MyModel.content_columns which exclude any with ''_id'' for
FKs. I had
> thought it would throw in a link to another scaffold generated viewer
> or something. Of course, I can edit this by hand and put in the right
> name/description value from the linked table.
>
> What I''d like to know is are there going to be any automated steps
for
> this in future generators. Should I edit the code for the generator to
> "do the right thing?"
Ed,

Scaffolding doesn''t currently support associated objects. It is not  
entirely trivial to add such support and so far no one has felt the  
pain to implement it. After all, scaffold is just... you know...  
scaffold. But if you feel such a system would be worth the effort,  
feel free to implement it and submit a patch.

//jarkko


--
Jarkko Laine
http://jlaine.net
http://odesign.fi



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> Scaffolding doesn''t currently support associated objects. It is
not
> entirely trivial to add such support and so far no one has felt the
> pain to implement it.
I have added such support, and I use it in production on multiple
sites. It''s not trivial, but it isn''t complex either, and it
is
documented on the Wiki
(http://wiki.rubyonrails.com/rails/pages/HowToExtendScaffolding).  The
reason this isn''t in rails is philosophical, not technical.