On Oct 7, 2010, at 15:30, Quincey Morris wrote:

> On Oct 7, 2010, at 15:14, Laurent Daudelin wrote:
> 
>> I just want to have a pre-determined list of items but I'd like the user to 
>> have the ability to add new items. That's why I chose the NSComboBox but I 
>> see one problem with it. If the user adds one item, that's only a string and 
>> it won't be a dictionary. I might have to use a datasource instead.
> 
> You could certainly bind the combo box's "value" binding to a string property 
> in your data model, whose setter created a new dictionary when necessary. I'm 
> not certain, though, how you'd be sure the user typed a new "Name" for the 
> purpose of creating a new dictionary or just mistyped an existing one.
> 
> Alternatively, use a pop up menu instead, with a "New XXX..." entry as well 
> as the existing names. That's a more traditional way of doing it, which has 
> the benefit of discoverability for the creation function (unlike the combo 
> box solution).

Yeah, perhaps that's what I will do. Thanks, Quincey.

-Laurent.
-- 
Laurent Daudelin
AIM/iChat/Skype:LaurentDaudelin                                 
http://www.nemesys-soft.com/
Logiciels Nemesys Software                                      
laur...@nemesys-soft.com

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