Re: bindings, nested arrays and validation
Re: bindings, nested arrays and validation
- Subject: Re: bindings, nested arrays and validation
- From: Matt Neuburg <email@hidden>
- Date: Mon, 30 Apr 2007 09:53:46 -0700
- Thread-topic: bindings, nested arrays and validation
On Mon, 30 Apr 2007 00:12:19 +0400, "Alexey Zakhlestin" <email@hidden>
said:
>Hi cocoa-dev
>
>I am implementing the UI which has a 1-columnt table on the left bound
>to the specific key of Shared User Defaults. On the right it has
>several text inputs which are bound to the selected element of the
>table
>
>I used this as an example and it works fine:
>http://www.cocoabuilder.com/archive/message/2004/11/6/120927
>
>But, now I want to add the constraint to one of text inputs: it should
>be numeric-only. I would prefer to have it done using bindings-level,
>if possible. (I know I can do that by inheriting nstextfield, but that
>doesn't sound like a good idea)
I may be misunderstanding, but in my apps I do what I *think* you are asking
for by implementing validateValue:forKeyPath:error:. m.
--
matt neuburg, phd = email@hidden, <http://www.tidbits.com/matt/>
A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
<http://www.amazon.com/gp/product/0596102119>
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