MacRuby IB Outlets and Actions Workaround

AppController.h

#import <Foundation/Foundation.h>

@interface AppController : NSObject {
  NSComboBox *seriesCombo;
  NSComboBox *titleCombo;
  NSButton *readButton;
}

@property IBOutlet NSComboBox *seriesCombo;
@property IBOutlet NSComboBox *titleCombo;
@property IBOutlet NSButton *readButton;

@end

AppController.m

#import "AppController.h"

@implementation AppController

@synthesize seriesCombo;
@synthesize titleCombo;
@synthesize readButton;

- (id)init
{
    self = [super init];
    if (self) {
        // Initialization code here.
    }
    
    return self;
}

@end

AppController.rb

class AppController
  # these items are commented out to prevent hiding the members of the Obj-C version
  # attr_accessor seriesCombo
  # attr_accessor titleCombo
  # attr_accessor readButton

  def awakeFromNib
    unless seriesCombo
      alert 'seriesCombo not defined'
    end
  end
  
  def alert(title='Alert', message='Something went wrong: ')
    NSAlert.alertWithMessageText(title,
                                 defaultButton: 'OK',
                                 alternateButton: nil,
                                 otherButton: nil,
                                 informativeTextWithFormat: message).runModal
  end
end