On 5/5/2011 2:37 AM, intrader wrote:
> > I am now thinking of handing the editor a deep copy of the contact
to be
> > edited, and have the #onAnswer as above. In the #ifTrue path I would
> > take all the instance variables of a contact and store them in the
> > instance variables of the parameter to #editContact
> That is a good idea, we use a similar pattern in all our UI development
> (whether it is Seaside or VW clients), however we don't hand over a deep
> copy.
> Particularly in VW clients there are system ivars that manage
> dependencies between the domain class (Contract) and the UI elements.
> These ivars don't want to be altered during the lifetime of the UI, so
> instead of handing over copies in editor UIs we would instantiate a
> Contract *only once* in the UI.
> ...
Thanks so much for these thoughts and guidance. An earlier system I
implemented in .net used the pattern.
In an earlier post in respoinse to Ladislav, I simply used #copy, but I
think that #deepCopy is better is many instances.
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