On Nov 23, 7:20 pm, Will <[EMAIL PROTECTED]> wrote:
> Is there a way to tell collection_select to use a specific ID then
> other than machine_user_id. That is what I was originally trying to
> do so I did not have to go down into the object from the form .
Of course!
collection_select(:machine, :user_id, @users, :id, :fullname,
{:include_blank => true}, {:id => 'foo'})
It's just an html option
> I was trying to get around it by using a call to a form $("#
> {machine.fqdnj}").machine[user_id].selectedIndex= and it did not seem
> to work. When I was trying this with a standard html setup with
> prototype I found that it would not accept a variable being passed
> into $() but if I set the name using a static name it seemed to work.
>
> On Nov 22, 5:10 pm, Frederick Cheung <[EMAIL PROTECTED]>
> wrote:
>
> > On 22 Nov 2008, at 23:02, Will wrote:
>
> > > The problem is that is the collection select object is repeated in a
> > > table of objects so this ID appears multiple times. To deal with it I
> > > created a <form id ="#{machine.fqdn}"> .... collection_select object
> > > </
> > > form> around each of these and tried to refer to them using $("#
> > > {machine.fqdn}").machine_user_id.selectedIndex=whatever, but the
> > > prototype $() function does not seem to want to take a variable. It
> > > seems to work with a static id, but not a variable one. Any ideas how
> > > this could be done?
>
> > Having multiple elements on a page with the same dom id is a super
> > super bad idea. Instead of creating that form with that special id,
> > why not give that id to the select box ?
> > The $ function is just a regular function - it doesn't care whether
> > its argument is a literal, a function call or something else.
> > Regardless, '.machine_user_id' is not how you would find the child of
> > a certain element. If you want the child of an element matching a
> > given css selector use the down function.
>
> > Fred
>
> > > Thanks
> > > Will
>
> > > On Nov 21, 10:26 am, Frederick Cheung <[EMAIL PROTECTED]>
> > > wrote:
> > >> On Nov 21, 3:19 pm, Will <[EMAIL PROTECTED]> wrote:
>
> > >>> I have a table with a collection select object that I am looking
> > >>> update theselectedIndexof using links on the page
>
> > >> Does it need to be any more complicated than $
> > >> ('machine_user_id').selectedIndex= whatever (check that I got the
> > >> dom_id of your select box right ?)
> > >> if you also want to change the images on the links you'll probably
> > >> make life easier for your self if the image for the link is a css
> > >> property.
>
> > >> Fred
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