On 19 Jul 2014, at 1:50 , Bavarious <bavari...@icloud.com> wrote:
> On 18 Jul 2014, at 13:10, Philip Shaw <wahspil...@gmail.com> wrote:
>
>> I'm writing a document-based app in Swift, with a custom view controller
>> class, and thus had to implement my own version of makeWindowControllers.
>> However, for some reason the call to self.addWindowControllers does nothing
>> at all. I tried stepping into it in the debugger, but that just stepped over
>> the line.
>>
>> I'm not sure if the bug is in my code or Apple's - I haven't seen any other
>> users having this problem so I assume it is me.
>>
>> My document class contains the following (relevant) code:
>>
>> var additionalWindowController: NSWindowController! /* C */
>>
>> override func makeWindowControllers() {
>> let wc = MessageReadingViewController(windowNibName:
>> "MessageReadingViewController")
>> wc.document = self
>> NSLog("have %d windowControllers", self.windowControllers.count) /* A */
>> self.addWindowController(wc)
>> NSLog("have %d windowControllers", self.windowControllers.count) /* A */
>> self.additionalWindowController = wc /* C */
>> wc.showWindow(self) /* B */
>> }
>>
>> Lines A both print "have 0 windowControllers".
>
> Out of curiosity, what happens if you remove
>
> wc.document = self
>
> from makeWindowControllers()? addWindowController() already sets the window
> controller document, so you don’t need that statement. Furthermore,
> addWindowController() removes the window controller from its previous
> document in case there is one, which may be related to the behaviour you’re
> seeing.Thanks, yes, that fixed it. I can’t remember why I added that line, but that documentation of NSWindowController was pretty clear that I shouldn’t have.
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