Providing lookup environment for descriptions

[Norbert Hartl]

On 17.11.2010, at 17:56, Yanni Chiu wrote:

> On 17/11/10 4:34 AM, Norbert Hartl wrote:
>> 
>> Well, the question was maybe too unspecific. At first I'm looking for
>> a possibility to create options from the instance side while dealing
>> with components.
> 
> I don't fully understand what you're trying to achieve, but how about you override #description on the instance side. Something like:
> 
> description
>  | desc instanceSpecificDesc |
>  desc := super description copy. "Copy, else per class cache altered"
>  desc add: (instanceSpecificDesc := self descriptionInstanceSpecific).
>  instanceSpecificDesc optionsAndLabels: self buildOptionsAndLabels.
>  "instanceSpecificDesc options: self buildOptions."
> 
> A variation, to have all the descriptions documented on the class side, is as follows:
> 
> description
>  | desc customizedDesc |
>  desc := super description copy.
>  customizedDesc := desc detect: [:each | each label = 'Customized'].
>  customizedDesc options: self customOptions.
>  ^ desc
> 
Thanks Yanni,

this came to mind as well. I was asking if there is a better idea to achieve the same.

Norbert