[Seaside] trapping post before fields are applied to an opject
Julian Fitzell
jfitzell at gmail.com
Mon Jun 20 15:13:17 UTC 2011
WACancelButtonTag (html cancelButton callback: [ ]...) should do what you're
looking for?
Julian
On Mon, Jun 20, 2011 at 4:07 PM, Louis LaBrunda
<Lou at keystone-software.com>wrote:
> Hi All,
>
> Is there a way to trap the return from a web page before the attributes of
> an object are updated with the values from the web form? Say one has a
> simple form with some fields that are connected to the attributes of an
> object with #on:of: and two submit buttons, save and cancel. Normally one
> would make a copy of the object so the original doesn't get modified. The
> callback on the save button would replace the original with the copy. The
> callback on the cancel will discard the copy.
>
> If there is a way to see that the cancel button was clicked BEFORE the
> values of the form fields are applied to the object and stop them from
> being applied, one wouldn't need a copy of the original object. The
> #on:of:'s could be made to the original object and would be used if the
> save button is clicked and not if the cancel button is clicked.
>
> Is there a way to do this now? If not, would it be hard to add?
>
> Lou
> -----------------------------------------------------------
> Louis LaBrunda
> Keystone Software Corp.
> SkypeMe callto://PhotonDemon
> mailto:Lou at Keystone-Software.com http://www.Keystone-Software.com
>
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>
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