Nib Files and NSWindowController(Chapter 12 of Cocoa Programming for Mac OS X)

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PreferenceController

1 #import "PreferenceController.h"
2
3
4 @implementation PreferenceController
5
6 - (id)init
7 {
8     if(![super initWithWindowNibName:@"Preferences"])
9     {
10         return nil;
11     }
12     
13     return self;
14 }
15
16 - (void)windowDidLoad
17 {
18     NSLog(@"Nib file is loaded");
19 }
20
21 - (IBAction)changeBackgroundColor:(id)sender
22 {
23     NSColor *color = [colorWell color];
24     NSLog(@"Color changed: %@", color);
25 }
26
27 - (IBAction)changeNewEmptyDoc:(id)sender
28 {
29     int state = [checkbox state];
30     NSLog(@"Checkbox changed %d", state);
31 }
32
33 @end　　

AppController

1 #import "AppController.h"
2 #import "PreferenceController.h"
3
4 @implementation AppController
5
6 - (IBAction)showPreferencePanel:(id)sender
7 {
8     if(!preferenceController)
9     {
10         preferenceController = [[PreferenceController alloc] init];
11     }
12     NSLog(@"showing %@", preferenceController);
13     [preferenceController showWindow:self];
14 }
15
16 @end