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Re: Object Instantiation Q.
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Re: Object Instantiation Q.


  • Subject: Re: Object Instantiation Q.
  • From: Robert Cerny <email@hidden>
  • Date: Mon, 15 Dec 2003 14:42:15 +0100

Well,
you can't make the right connection in the init method, because all
needed steps are not done yet. Use -awakeFromNib instead.

HTH
Robert

On 14.12.2003, at 17:48, Ian McGregor wrote:

> I have a datasource object, in this case for an NSOutlineView. I am
> confused on which is the best place to instantiate this object, in IB
> or in MyDocument. I have tried both with varying degrees of success.
>
> Scenario 1 - Instantiate DataSource in MyDocument
> -----------------------------------------------------------------------
> MyDocument allocates and deallocates, as well as tells the outlineview
> that the newly allocated datasource is its delegate and datasource.
>
> Scenario 2 - Instantiate DataSource in IB
> -------------------------------------------------------
> My datasource object tells the outlineview that it is the datasource
> and delegate during its init. It also sets up dragging etc. There is an
> outlet connecting MyDocument to the DataSource object in IB.
>
>
> The problem is that in Scenario 2, the data the outlet between
> MyDocument and the Datasource object does not covey the current
> information in the datasource. For example, I cannot load and save the
> object , nor alter its contents. Where as, in scenario 1 this all seems
> to work.
>
> Any ideas? I'd like to use the 2nd method, I know this is
> back-to-basics, but I am really missing something here.
>
> Thanks,
>
> Ian
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References: 
 >Object Instantiation Q. (From: Ian McGregor <email@hidden>)

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