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From Joerg Heinicke <joerg.heini...@gmx.de>
Subject Re: null-text on text fields?
Date Sun, 29 Apr 2007 09:16:28 GMT
On 27.04.2007 18:11, Rob Oxspring wrote:

> I need to present a form where a text box displays something rather than
> nothing when the associated value is empty, for example see the
> behaviour of the search input at http://java.sun.com/.  This seems to be
> much like the selection-list's null-text facility which obviously isn't
> available on normal text fields.  I was wondering whether anyone could
> point me to any existing examples and/or advice on how to achieve this
> affect within the cforms framework?

What about doing this only as presentation concern, i.e. handling this 
for example in the stylesheet?

> An avenue I was looking into was to implement a converter to special
> case the empty value but since I'm dealing with strings I'm put off by
> the converter documentation saying "Strings obviously don't support any
> convertors, since there's no purpose in converting a string to a
> string".

So you see the comment is not quite true :)

> I've also tried building javascript event handlers and
> validators but managed to get myself in an infinite loop using the
> following:

That's obvious. You change the value and this leads again to 
on-value-changed.

Joerg

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