NSPanel not showing. - objective-c

Question

My approach to this may be all wrong so I appreciate your patience.
I have a button in my main XIB file linked to this method in my document.m file:
- (IBAction)showTagModal:(id)sender {
if (!_FileTagWindowController){
_FileTagWindowController = [[FileTagWindowController alloc]init];
}
[_FileTagWindowController showWindow:self];
}
_FileTagWindowController is declared as a property in document.h and using breakpoints when the method is called, as far as I can tell is initializing properly, however _windowNibName and _window remains nil.
FileTagWindowController.h looks like this.
#import <Cocoa/Cocoa.h>
#interface FileTagWindowController : NSWindowController{
}
#property (strong) IBOutlet NSArrayController *tagsArray;
- (IBAction)saveContext:(id)sender;
#end
FileTagWindowController.m looks like this:
#import "FileTagWindowController.h"
#interface FileTagWindowController ()
#end
#implementation FileTagWindowController
- (id)initWithWindow:(NSWindow *)window
{
self = [super initWithWindow:window];
if (self) {
// Initialization code here.
}
return self;
}
- (void)windowDidLoad
{
[super windowDidLoad];
NSLog(#"Window Did Load!");
// Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
}
- (IBAction)saveContext:(id)sender {
}
#end
in my FileTagWindowController.xib I have File Owner set to FileTagWindowController as the custom class. I have the File Owner's "window" outlet linked to the window (NSPanel). That's all that should be required correct? The NSLOG statement in WindowDidLoad never gets called. I tried using [super initWithWindowNibName] in FileTagWindowController.m but that crashes not only the app, but Xcode as well with an endless initialization loop. Am I missing something obvious here?
Thanks all so much.

Answer 1

Try something like the following.
// document.h
#import "FileTagWindowController.h"
#property (strong) filetagWindowController *FileTagWindowController;
// document.m
#synthesize filetagWindowController;
- (IBAction)showTagModal:(id)sender {
if (self.filetagWindowController == nil) {
self.filetagWindowController = [[FileTagWindowController alloc] initWithWindowNibName:#"FileTagWindowController"];
}
[filetagWindowController showWindow:self];
[[filetagWindowController window] setReleasedWhenClosed:NO];
[NSApp runModalForWindow:filetagWindowController.window];
filetagWindowController = nil;
}
You may also want to call NSWindowWillCloseNotification to observe its state and see if filetagWindowController is closed.