Thanks for your answers, I don't understand why there is no id getter
or property while it is important for javascript. I think i'll
override the render method like you Sam. Thanks again !
On 4 mar, 12:17, Sam Lai <samuel....@gmail.com> wrote:
> On 25 February 2010 07:05, leoz01 <leozleo...@gmail.com> wrote:
>
> > Hello,
>
> > i have a simple question, how can i get the id attribute (which
> > correspond to html id) from a form's field ?
>
> I have this problem too when I wrote my wrapper for my django-ckeditor
> app. It seems like an odd oversight, and from what I've read in the
> source code, there's no clean way of getting it. I'm saying it is an
> oversight because having a definitive way of getting the final html id
> of a widget is important when using javascript widgets that replace
> the form widget.
>
> In my case, I was rendering a custom widget (derived from
> widgets.Textarea), so I overrode the render method of that class, and
> used the following code to get the id attribute -
>
> # determine id of widget if possible, otherwise use name
> identifier = attrs.get('id')
> if identifier == None:
> identifier = name
>
> I'm not quite sure what edge case caused the attrs dict to not have an
> 'id' attribute; just the first line might work for you.
>
> Note that the attrs dictionary is generated right before render is
> called, so there is no way of accessing it prior to that (it is quite
> entwined with the rest of the form code).
>
> Once I had the html id attribute value in the 'identifier' variable, I
> added it to a template context and rendered my widget from there.
>
> If someone has a better solution, I'd be happy to hear it.
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