> On Oct 18, 2014, at 20:33 , Graham Cox <[email protected]> wrote:
>
> According to the latest documentation pack that arrived on Thursday, Swift
> has:
>
> convenience init(windowNibName windowNibName: String,
> owner owner: AnyObject)
>
> So just use this. Like C++, Swift has overloaded method names, so 'init' can
> take various parameter combinations.
I tried this:
16 override
17 init()
18 {
19 init(windowNibName: "foo", owner: self);
20 }
21
But I get:
/Users/rmann/Projects/XCAM/repo/XNC/trunk/XNC/CommConfig.swift:19:7:
Initializers may only be declared within a type
/Users/rmann/Projects/XCAM/repo/XNC/trunk/XNC/CommConfig.swift:19:23: Expected
parameter type following ':'
/Users/rmann/Projects/XCAM/repo/XNC/trunk/XNC/CommConfig.swift:19:23: Expected
',' separator
/Users/rmann/Projects/XCAM/repo/XNC/trunk/XNC/CommConfig.swift:21:1: 'required'
initializer 'init(coder:)' must be provided by subclass of 'NSWindowController'
If I instead call super.init(...), I get:
/Users/rmann/Projects/XCAM/repo/XNC/trunk/XNC/CommConfig.swift:19:3: Must call
a designated initializer of the superclass 'NSWindowController'
> Also, in general I think what you're saying about designated initializers is
> incorrect - the designated initializer MUST be called, but not necessarily by
> you. All it means is that the other init... methods must call it. The
> guideline about it being the one with the most parameters is not a rule -
> typically that's true but it's not a requirement and for many classes,
> definitely not true.
In this case, it might've solved the problem (except that I can't refer to self
yet).
>
>
> --Graham
>
>
>
>
>
> On 19 Oct 2014, at 2:08 pm, Rick Mann <[email protected]> wrote:
>
>> In Obj-C, I typically subclass NSWindowController and override -init to call
>> -initWithNibName:. I do this so the caller doesn't have to worry about how
>> to make one of these window controllers:
>>
>> @implementation MyWindowController
>>
>> - (id) init
>> {
>> self = [super initWithWindowNibName: "MyWindow" owner: self]
>> ...
>> return self;
>> }
>>
>> I can't figure out how to do the same in Swift. NSWindowController makes
>> initWithWindow() the only designated initializer, which I must call, which
>> makes it seem like I can't use any of the convenience methods. Apple's own
>> guidance on designated inititalizers is that they should be the ones that
>> take the most parameters.
>>
>> So, I can load the nib myself, and make the window, and pass that up, but
>> this seems broken. Is it?
>
>
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--
Rick Mann
[email protected]
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