[Rails] Re: RJS, scriptaculous, page.replace problem with input fiel

[Alex Wayne]

Noah Daniels wrote:
> I'm hoping someone can help...
> 
> I have an rjs template that invokes a couple of page.remove() calls that 
> work fine, and a page.replace() call that does not.
> 
> I've played with the javascript extensively from within Firefox's 
> FireBug module, and it seems to me that this is what is happening:
> 
> What I'm trying to replace is an element that's been generated by a 
> check_box_tag call. So basically it's an element like this:
> 
> <input id="thumb_check_237" name="thumb_check_237" type="checkbox" 
> checked="checked" value="1" />
> 
> and I'm trying to replace it with this:
> 
> <input id="thumb_check_237" name="thumb_check_237" type="checkbox" 
> value="1" />
> 
> to basically uncheck the checkbox. What seems to be happening is that 
> page.replace() does not work correctly on single tags (like <input /> 
> and <br />) but works fine on 'outer' tags like <li> </li>.
> 
> Does anyone have any idea what's going on here, or why this is 
> happening, or a workaround?
> 
> many thanks!

You could change the state of the checkbox with javascript.  You dont 
really need to replace single tags, and should instead just be changing 
their attributes.

Try:

  page["thumb_check_#{check_box_id}"].checked = false

which should generate:

  $("thumb_check_237").checked = false;

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