Von: Johannes Rasche <johannesrasche@mac.com>
Datum: 11. November 2011 22:13:26
An: Pharo-project@lists.gforge.inria.fr
Betreff: [Pharo-project] Fwd: Re: TextMorph: what is the purpose of predecessor/successor?

-------- Original-Nachricht --------

Betreff:	Re: [Pharo-project] TextMorph: what is the purpose of predecessor/successor?
Datum:	Fri, 11 Nov 2011 15:34:47 +0100
Von:	Johannes Rasche <johannesrasche@me.com>
Antwort an:	johannesrasche@me.com
An:	Pharo-project@lists.gforge.inria.fr

as Igor mentioned yesterday it's useful for long texts.

I would suggest, if the majority don't see the advantage of pred/succ,
to create a subclass

Johannes

Am 11.11.11 14:43, schrieb Alain Plantec:
> I forgot to say that I think we should simplify TextMorph as much as 
> possible.
> I've already removed predecessor/successsor some time ago for my own 
> textmorph fork.
> I open an isssue
> Alain
>
> Le 11/11/2011 10:38, Igor Stasenko a ��crit :
>> Thanks.
>> Yes, i remember i seen this before, but i had no idea how it 
>> implemented.
>>
>> On 10 November 2011 18:36, Alain Plantec<alain.plantec@yahoo.com>  
>> wrote:
>>> Hi Igor,
>>> See the screenshot (Squeak 3.6).
>>> You can have several morphs editing the same text.
>>> Each morph containing its own part of the text.
>>> I guess predecessor ans successor are used in this context.
>>> Cheers
>>>
>>> Alain
>>>
>>> Le 10/11/2011 16:50, Igor Stasenko a ��crit :
>>>> looks like the purpose is to make multiple morphs, displaying
>>>> different (but adjacent) portions of one text..
>>>>
>>>> But what i don't understand is what is the practical use of it? Is
>>>> there an examples of such use of TextMorph(s)?
>>>> As to me this looks a bit of over-enineering:
>>>> morph represents a view of some model.
>>>> Nothing prevents us from creating multiple different views of same
>>>> model (a text in this case). And i don't get, what do we gain by
>>>> letting them know about each other.
>>>> If there is a need to have a coordination between views, i think it
>>>> would be much simpler to have some centralized parent object/morph,
>>>> which managing additional complexity related with such
>>>> composition.
>>>>
>>>>
>>>> The functionality seems to be working:
>>>>   in text morph's halo, click on its menu , and there will be
>>>>   'add predecessor'
>>>> and
>>>> 'add successor'
>>>> menu items, which creating a fresh text morphs over same text and put
>>>> it in ?hand?
>>>>
>>>> i am clueless, what is purpose of this and whether it belongs to right
>>>> place.. that's why i asking.
>>>> (i would just throw it away ;)
>>>>
>>>
>>
>>
>
>