Re: NSWindowController for Prefs XIB Question (Core Data involved)
Re: NSWindowController for Prefs XIB Question (Core Data involved)
- Subject: Re: NSWindowController for Prefs XIB Question (Core Data involved)
- From: Steve Cronin <email@hidden>
- Date: Fri, 21 May 2010 01:51:55 -0500
Folks;
This one is driving me mad!
I'm trying to bust up an overly complicated xib into 2 xibs - the main xib and a preference xib
I've started completely over trying to implement a pref xib -- no CoreData just bare bones….
I have created a brand new subclass of NSWindowController: Pref2Controller
there is not a single line of code in this object nor any instance variables.
I have created a brand new xib file: ptest
XCode creates the xib with a FilesOwner, FirstResponder, Application, and Window (set to releaseOnClose and visibleAtLaunch)
I have set the FilesOwner to be an instance of Pref2Controller (using IB)
I have set the window outlet of the FilesOwner to point to the NSWindow object (using IB)
These two are the only changes I've made to ptest.xib
When I use this code in the appDelegate:
- (IBAction) configure:(id)sender {
if (!prefPanelController) {
prefPanelController = [[Pref2Controller alloc] initWithWindowNibName:@"ptest"];
}
[prefPanelController showWindow:sender];
}
The new ptest.xib window will open once but never again if I close it.
this is true regardless of whether I set the window to releaseOnClose or not
this is also true regardless of whether I have hooked up the window outlet or not
logging [pController window] shows (null) regardless of whether I have outlet assigned or not
as well as regardless of whether prefPanelController already exists or has just been alloc'ed and init'ed..
What I am just not understanding here?
Please?
Steve
On May 20, 2010, at 10:08 PM, Steve Cronin wrote:
> Folks;
>
> I have a feeling that this is an embarrassing one so try and go easy on me…
> XC 3.2.2
>
> I have a main nib that opens a window and that works fine.
> I used to have an NSPanel in this nib to handle preferences.
> I've decided it's a good idea to split the nib into two different nibs: the main nib and a preferences nib.
>
> I've looked over the Sketch project and used it as a model.
> I've also read over the Document-Based App Overview FAQ
>
> I've added a window nib to the project and then subclassed a NSWindowController.
> I've made the xib's files owner this window controller
> At this point I can get a simple empty window to open just fine.
>
> However, I'm using CoreData and I want to pass the existing MOC to the pref window:
> I have added an array controller to the pref nib with its MOC set to files owner's MOC in IB.
> The controller manages an entity not a mutable dictionary.
> MOC is a synthesized property of the PrefController (the windowController mentioned above).
>
> if (!prefPanelController) {
> prefPanelController = [[PreferencesController alloc] initWithWindowNibName:@"testPref"];
> [prefPanelController setManagedObjectContext:[self managedObjectContext]];
> }
> [prefPanelController showWindow:sender];
>
> No window opens and I get a console error: Cannot perform operation without a managed object context
>
> Could someone give me the gentle head slap I need here?
> Steve
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