[MacRuby-devel] Using Virtus or SmartProperty as outlets?

stephen horne fatste at gmail.com
Wed Nov 21 15:46:16 PST 2012


Hi Carolyn,

I can't help with Virtus or SmartProperty, but I think for MacRuby to recognise an outlet in your code you need to use 'attr_accessor', not 'attribute'.

Maybe you could use the various types of input fields to ensure the values are numbers or strings, and then query their stringValue or integerValue.

Hope that helps.
--
Stephen Horne

On 21/11/2012, at 20:04, Carolyn Ann Grant <carolyn.ann.grant at gmail.com> wrote:

> I've done a bit of Googling, but couldn't find anything on this. I'd like to use something like SmartProperties (for lightweight situations) or Virtus (when I absolutely must have industrial-strength validations, etc) as outlets. My experiments, such as they are, aren't helping me any! What, if anything, am I doing wrong?
> 
> My experiments are basically: 
> 
> require 'virtue'
> 
> class TestClass
>  attribute :test_attr, String
> end
> 
> And then I try to "wire" up a text field from IB to the attribute; the result? Nothing happens.
> 
> Basically, I need to make sure that when I ask for an integer, I get an integer. And when I want a string - I can reject anything but strings. But sometimes I'd like the "defaults" capability of Virtus & SmartProperty, and I'd definitely like the industrial-strength validations of Virtus when I'm working against the database. 
> 
> In MacRuby terms, am I addressing the right problem!? Did I miss something in my Googling?
> 
> Thanks in advance!
> Carolyn
> 
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