NSToolbar in Preferences Panel

FROM : Saratchandra Kongara
DATE : Wed Dec 18 17:14:55 2002

I am trying to create a toolbar for a preferences panel that is loaded
from a separate nib file (not mainmenu.nib). I have a preference
controller class that inherits from NSWindowController. The preferences
panel loads and shows up right but the toolbar is not created. I looked
at this for an hour but can't seem to find my mistake. Any help is
appreciated. Thanks.

Here is the code

In main controller
// in MainController.h

PreferenceController *preferenceController;

// In Maincontroller.m

- (void) init {
  [some code here]

  preferenceController = nil;

[some code here]
}

- (IBAction)showPreferencePanel:(id)sender {
    // Is preferenceController nil?
    if(!preferenceController) {
        preferenceController = [[PreferenceController alloc] init];
    }
    [preferenceController showWindow:self];
}

// In PreferenceController.h
#import <AppKit/AppKit.h>

@interface PreferenceController : NSWindowController {
    IBOutlet NSPanel *mainPanel;  // In IB this is connected to the
preference panel
}

- (void)setupToolbar;

@end

// In PreferenceController.m

#import "PreferenceController.h"

@implementation PreferenceController

- (id)init {
    self = [super initWithWindowNibName:@"Preferences"];
    return self;
}

- (void)windowDidLoad {
    [self setupToolbar];
}

- (void)setupToolbar
{
    NSToolbar *toolbar = [[NSToolbar alloc]
initWithIdentifier:@"PreferencesToolbar"];
    [toolbar setDelegate:self];
    [toolbar setAllowsUserCustomization:NO];
    [toolbar setAutosavesConfiguration:YES];
    [toolbar setDisplayMode:NSToolbarDisplayModeLabelOnly];
    [mainPanel setToolbar:[toolbar autorelease]];
}

// Delegate methods for Toolbar
- (NSToolbarItem *)toolbar:(NSToolbar *)toolbar
itemForItemIdentifier:(NSString *)itemIdentifier
willBeInsertedIntoToolbar:(BOOL)flag {
    NSToolbarItem *item = [[NSToolbarItem alloc]
initWithItemIdentifier:itemIdentifier];
    return [item autorelease];
}

- (NSArray *)toolbarAllowedItemIdentifiers:(NSToolbar*)toolbar {
    return [NSArray arrayWithObjects:@"General", @"Sounds", @"Preview",
@"Publish", nil];
}

- (NSArray *)toolbarDefaultItemIdentifiers:(NSToolbar*)toolbar {
    return [NSArray arrayWithObjects:@"General", @"Sounds", @"Preview",
@"Publish", nil];
}

@end

The file owner in the preferences nib file is set to
PreferenceController. The windowDidLoad method is also getting called,
but I don't see a toolbar. Actually there is a little bar but no labels
on it or anything.

Regards
Sarat
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