Subject:
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Re: Disabling HTML form button if any changes made to an edit box?
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Newsgroups:
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lugnet.publish.html
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Date:
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Mon, 2 Jun 2003 17:18:23 GMT
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Viewed:
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2568 times
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In lugnet.publish.html, Todd Lehman wrote:
> In lugnet.publish.html, Brian H. Nielsen wrote:
> > You don't even need the CRC. Do what you said on the message edit page about
> > combining post & preview so that there is only preview, but then on the Message
> > Preview page remove the whole lower section containing the message edit box,
> > preview and post buttons. If the user sees something they need to change they
> > should use their browser's Back button. I do it all the time in IE.
>
> Except that relying on the browser's Back button is asking for trouble.
> Say you edit a reply, look at the preview, then go do something else, and
> when you return, the page is gone from your browser's cache. That would be
> a nasty surprise.
>
> I've also seen Mozilla do some really weird things with the Back button on
> forms, for example putting up the following message box even when the page
> should still be in the cache:
>
> The page you are trying to view contains POSTDATA that has expired from
> cache. If you resend the data, any action the form carried out (such
> as a search or online purchase) will be repeated. To resend the data,
> click OK. Otherwise, click Cancel.
>
> If you click OK to that message box, you lose your earlier edits. If you
> click Cancel, the Back operation is cancelled. Thus, you can't go back in
> this case.
>
> --Todd
I'll trust you on how other browsers work, you've got to maintain
compatability.
You can still accomplish forcing a preview before every post by removing the
post button from the message edit form, leaving only the preview button. On the
Message Preview page, make the 2 sections be separate forms. The top preview
form has a post button, while the bottom message edit form has only a preview
button. No JS or CRC required.
Brian H. Nielsen
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