Re: Binding Tableviews (newbie) problems/questions
Re: Binding Tableviews (newbie) problems/questions
- Subject: Re: Binding Tableviews (newbie) problems/questions
- From: Dan Saul <email@hidden>
- Date: Thu, 13 Jan 2005 10:40:52 -0600
I'd advise to you to learn how to write this in code without bindings
first, it will aide quite a bit with your understanding.
On Thu, 13 Jan 2005 04:32:55 -0800, Vince Ackerman <email@hidden> wrote:
>
> Anyone???
>
>
> On Jan 11, 2005, at 08:28, Vince Ackerman wrote:
>
> > Scott, mmalc and others:
> >
> > I've read all the Apple Docs under Manual / Automatic KeyValue
> > notifications and still can't seem to get two tableviews to update
> > correctly. I've basically modified Scott's email example to fit my
> > project, but want programmatically use the addEmail method rather than
> > the binding "add:", so I can set the row number value to the new
> > email. The tableview bindings all work fine when hooked up as per
> > Scotts example, but when I disconnect the add: binding (and use the
> > addEmail method in the controller object) I still don't see the email
> > tableview update itself. It will finally update when I select any
> > other mailbox or blank row in the mailbox tableview then select the
> > new mailbox row again.
> >
> > I've added the following which doesn't seem to work:
> >> [self willChangeValueForKey:@"emails"];
> >> [emails addObject: newEmail];
> >> [self didChangeValueForKey:@"emails"]
> >
> > Looking at Scott's example, the key @"emails" is the NSMutableArray
> > that contains the pointer to the mailbox array of the currently
> > selected row in the mailbox tableview. I'm confused how this pointer
> > is a "key" and how this will send a notification that I've modified
> > the mailbox array? Do I have to turn off Automatic KVO notification
> > prior to using this?
> >
> > TIA
> >
> > Vince Ackerman
> >
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