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Re: Controller introspection API
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Re: Controller introspection API


  • Subject: Re: Controller introspection API
  • From: "Jonathan 'Wolf' Rentzsch" <email@hidden>
  • Date: Mon, 1 Mar 2004 08:16:43 -0600

Scott Anguish, email@hidden, wrote:
>On Mar 1, 2004, at 2:17 AM, Allan Odgaard wrote:
>
>> On 1. Mar 2004, at 6:33, Jonathan 'Wolf' Rentzsch wrote:
>>
>>> I have a subclass of NSTableView (don't we all). Is there a public
>>> interface to access the "content" controller binding set in Interface
>>> Builder?
>>>
>>> If not, why not?
>>
>> No there is not, because the object being observed should *not* have
>> intimate knowledge of its observers.
>>
>
> I don't think that's what he was asking.

Yes.

> The NSTableView subclass may have a legitimate need to determine what
>the content binding is, maybe to send a message to it. This isn't
>crossing any encapsulation bounds.

Agreed.

>What then was he asking? Maybe the OP could clarify? or state what he
>wants to accomplish.

So long as I'm subclassing, I'd like to make the NSTableView
controller-aware for the purposes of:

* Deleting a row via the delete key and
* Drag and Drop

I have my own nonstandard methods of pulling this off, just like everyone
else does. I saw this as in opportunity to standardize the subclass and
reduce the class count in one go. Unfortunately, apparently there is
currently no public API for getting a NSTableView's content binding. I
was just hoping I was missing something terribly obvious. Apparently not.

So, I continue to use mmalc's DNDArrayController-based code and shake my
fists at the sky. Thanks for your help.

| Jonathan 'Wolf' Rentzsch http://rentzsch.com
| Red Shed Software http://redshed.net
| "better" necessarily means "different"
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  • Follow-Ups:
    • Re: Controller introspection API
      • From: Scott Anguish <email@hidden>
    • Re: Controller introspection API
      • From: Allan Odgaard <email@hidden>
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