Re: NSTextField and bindings
Re: NSTextField and bindings
- Subject: Re: NSTextField and bindings
- From: Steve Sims <email@hidden>
- Date: Tue, 4 May 2004 14:21:55 -0400
On 4 May 2004, at 13:48, Chris Pavicich wrote:
Steve:
Total shot in the dark: Is the continuously updates value box ticked?
No, it wasn't, and turning it on doesn't seem to affect things, it just
causes my data model to get updated on every key press.
Steve
--CMP
On Tuesday, May 04, 2004, at 11:45AM, Steve Sims <email@hidden>
wrote:
Hi all,
I have an NSTextField in my app and I'm using bindings to hook it up
to
my data model. Now it's important that this text field keeps a value,
and is not set to an empty string. With that in mind I wrote a quick
setter method as follows:
- (void)setText:(NSMutableString *)newText {
if ((text != newText) && ([newText length]>0)) {
[text release];
text = [newText copy];
}
}
Now whilst this ensures that within my data model the text field keeps
its value when an empty string is attempted to be entered in the UI
the
UI does not reflect this: the text field on screen stays empty.
I tried adding in [self willChangeValueForKey:@"text"]; and [self
didChangeValueForKey:@"text"]; calls at the beginning and end of this
setter (outside the if) since I thought that may force the UI to
update, but it didn't work.
Any suggestions?
Steve
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.