Rails - Apr 2006 - RJS, scriptaculous, page.replace problem with input fields?

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!


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Posted via http://www.ruby-forum.com/.

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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