Strugging with Commands

Lukas Renggli renggli at iam.unibe.ch
Fri Nov 30 08:51:34 MET 2007


> I am struggling to write a command which edits a model, rather than  
> the
> command instance itself. I am trying to do it this way since the model
> class and description may change whereas the command class does not.

Why do you use a command then? As described in the GOF book, this  
design pattern is used to encapsulate an action and its parameters.

> [code]
>
> The problem that I am having is that the standard onAnswer: for  
> commands
> is implemented by the containing Contents Widget somewhere else and I
> cant see any way of overriding it.

I neither understand your code nor the sentence above ;-)

Is the problem that Seaside doesn't allow to have multiple onAnswer:  
handlers? I guess this is something that should be fixed ...

Cheers,
Lukas

-- 
Lukas Renggli
http://www.lukas-renggli.ch



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