Implementors of margins in GLMRubScrolledTextBrick

> Hi,
>
> GLMRubScrolledTextBrick is a wrapper around RubScrollTextMorph.
> I see that it is a common practice in Pharo to implement decorator / wrapper
> pattern using doesNotUnderstand:.
>
> Reference:
>   - AthensWrappedWorldDisplay
>   - DictionaryValueHolder
>   - MorphicTreeAdapter
>   - RubEditingArea
>   - RubParagraphDecorator
>
>   - RTShapeBuilder
>   - RTShowLabel
>
> Is there a better way to implement a decorator or a wrapper around the
> object with many api methods rather then doesNotUnderstand:?
>
> Cheers,
> Alex
>
> On 9 December 2017 at 17:45, Henrik-Nergaard <[hidden email]> wrote:
>>
>> >>GLMRubScrolledTextBrick>>withoutMargins uses self margins: but I
>> cannot find the method.
>> This is because it is implemented in RubScrollTextMorph.
>> GLMRubScrolledTextBrick implements #doesNotUnderstand: to send it to the
>> rubric object.
>> see:
>>
>> https://pharo.fogbugz.com/f/cases/17888/GLMRubScrolledTextBrick-relies-on-dnu-delegation
>>
>> Best regards,
>> Henrik
>>
>>
>>
>> --
>> Sent from: http://forum.world.st/Pharo-Smalltalk-Developers-f1294837.html
>>
>

> Argh! I did not thought about it.
> So it may means that my changes are breaking the system.
> Aliaksei DNU is a ship way. The other way is as you expect I'm sure
> adding a method that just does the delegation.
> What we can do is to turn the DNU into a DNU compiling methods like
> that after a while
> we will have the method compiled and we will able to remove the DNU trick.
>
> stef
>
> On Thu, Dec 14, 2017 at 6:46 PM, Aliaksei Syrel <[hidden email]> wrote:
>> Hi,
>>
>> GLMRubScrolledTextBrick is a wrapper around RubScrollTextMorph.
>> I see that it is a common practice in Pharo to implement decorator / wrapper
>> pattern using doesNotUnderstand:.
>>
>> Reference:
>>   - AthensWrappedWorldDisplay
>>   - DictionaryValueHolder
>>   - MorphicTreeAdapter
>>   - RubEditingArea
>>   - RubParagraphDecorator
>>
>>   - RTShapeBuilder
>>   - RTShowLabel
>>
>> Is there a better way to implement a decorator or a wrapper around the
>> object with many api methods rather then doesNotUnderstand:?
>>
>> Cheers,
>> Alex
>>
>> On 9 December 2017 at 17:45, Henrik-Nergaard <[hidden email]> wrote:
>>>
>>> >>GLMRubScrolledTextBrick>>withoutMargins uses self margins: but I
>>> cannot find the method.
>>> This is because it is implemented in RubScrollTextMorph.
>>> GLMRubScrolledTextBrick implements #doesNotUnderstand: to send it to the
>>> rubric object.
>>> see:
>>>
>>> https://pharo.fogbugz.com/f/cases/17888/GLMRubScrolledTextBrick-relies-on-dnu-delegation
>>>
>>> Best regards,
>>> Henrik
>>>
>>>
>>>
>>> --
>>> Sent from: http://forum.world.st/Pharo-Smalltalk-Developers-f1294837.html
>>>
>>