railsware/BloodMagic

@property (nonatomic, strong, lazy) ProgressViewService *progressView;
@property (nonatomic, strong, partial) HeaderView *headerView;
@property (nonatomic, strong, final) NSString *almostImmutable;
@property (nonatomic, strong, preference) NSString *authToken;
@property (nonatomic, strong, injectable) id<NetworkClient> client;

@property (nonatomic, strong, anything_you_want) AwesomeView *someAwesomeView;

  pod 'BloodMagic', :git => 'https://github.com/railsware/BloodMagic.git'

$ mkdir -p ./Components.make
# iOS
wget https://raw.githubusercontent.com/AlexDenisov/Components/master/Components.make/BloodMagic/1.0.0/BloodMagic-iOS.make -O ./Components.make/BloodMagic-iOS.make
# OSX
wget https://raw.githubusercontent.com/AlexDenisov/Components/master/Components.make/BloodMagic/1.0.0/BloodMagic-OSX.make -O ./Components.make/BloodMagic-OSX.make

  pod 'BloodMagic/Lazy', :git => 'https://github.com/railsware/BloodMagic.git'

@interface ViewController : UIViewController

@property (nonatomic, strong) ProgressViewService *progressViewService;

@end

- (ProgressViewService *)progressViewService
{
    if (_progressViewService == nil) {
      _progressViewService = [ProgressViewService new];
    }
  
    return _progressViewService;
}

@interface ViewController : NSObject
  <BMLazy>

@property (nonatomic, strong, bm_lazy) ProgressViewService *progressViewService;

@end

@implementation ViewController

@dynamic progressViewService;

@end

self.progressViewService
// or
yourViewController.progressViewService

[self valueForKey:@"progressViewService"]
// or
[yourViewController valueForKey:@"progressViewService"]

  pod 'BloodMagic/Injectable', :git => 'https://github.com/railsware/BloodMagic.git'

BMInitializer *initializer = [BMInitializer injectableInitializer];
initializer.propertyClass = [ProgressViewService class]; // optional, uses NSObject by default
initializer.containerClass = [ViewController class]; // optional, uses NSObject by default
initializer.initializer = ^id (id sender){
    return [[ProgressViewService alloc] initWithViewController:sender];
};
[initializer registerInitializer];

BMInitializer *initializer = [BMInitializer injectableInitializer];
initializer.propertyClass = [RequestManager class];
initializer.initializer = ^id (id sender){
    static id singleInstance = nil;
    static dispatch_once_t once;
    dispatch_once(&once, ^{
      singleInstance = [RequestManager new];
    });
    return singleInstance;
};
[initializer registerInitializer];

BMInitializer *initializer = [BMInitializer injectableInitializer];
initializer.protocols = @[ @protocol(ProgressViewServiceProtocol) ];
initializer.initializer = ^id (id sender){
    return [[ProgressViewService alloc] initWithViewController:sender];
};
[initializer registerInitializer];

@implementation ViewController

@injectable(progressViewService)

- (void)progressViewServiceInjected:(ProgressViewService *service)
{
    service.title = self.title;
}

@end

  pod 'BloodMagic/Partial', :git => 'https://github.com/railsware/BloodMagic.git'

// Cell used from UsersListViewController
// Created manually
@implementation UserViewCell
{
    UserView *_userView;
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        NSString *nibName = NSStringFromClass([UserView class]);
        UINib *nib = [UINib nibWithNibName:nibName bundle:nil];
        _userView = [[nib instantiateWithOwner:nil options:nil] lastObject];
        [self addSubview:_userView];
    }
    return self;
}

@end

// View used from UserProfileViewController
// Created from xib
@implementation UserHeaderView
{
    UserView *_userView;
}

- (void)awakeFromNib
{
    [super awakeFromNib];
    NSString *nibName = NSStringFromClass([UserView class]);
    UINib *nib = [UINib nibWithNibName:nibName bundle:nil];
    _userView = [[nib instantiateWithOwner:nil options:nil] lastObject];
    [self addSubview:_userView];
}

@end

#import <BloodMagic/Partial.h>

@interface UserViewCell ()
    <BMPartial>

@property (nonatomic, strong, bm_partial) UserView *userView;

@end

@implementation UserViewCell

@dynamic userView;

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        [self addSubview:self.userView];
    }
    return self;
}

@end

// ...

@interface UserHeaderView ()
    <BMPartial>

@property (nonatomic, strong, bm_partial) UserView *userView;

@end

@implementation UserHeaderView

@dynamic userView;

- (void)awakeFromNib
{
    [super awakeFromNib];
    [self addSubview:self.userView];
}

@end

  pod 'BloodMagic/Final', :git => 'https://github.com/railsware/BloodMagic.git'

#import <BloodMagic/Final.h>

@interface FinalizedObject : NSObject
    <BMFinal>

@property (nonatomic, strong, bm_final) NSString *almostImmutableProperty;

@end

@implementation FinalizedObject

@dynamic almostImmutableProperty;

@end

// ...

FinalizedObject *object = [FinalizedObject new];
object.almostImmutableProperty = @"Initial value"; // everything is fine
object.almostImmutableProperty = @"Another value"; // exception will be thrown

pod 'BloodMagic/Preference', :git => 'https://github.com/railsware/BloodMagic.git'

#import <BloodMagic/Preference.h>

@interface Settings : NSObject
    <BMPreference>

@property (nonatomic, strong, bm_preference) NSString *nickname;

@end

@implementation Settings

@dynamic nickname;

@end

// ...

Settings *settings = [Settings new];
settings.nickname = @"AlexDenisov"; // @"AlexDenisov" goes to [NSUserDefaults standardUserDefaults] with key "nickname"
NSLog(@"My name is: %@", settings.nickname); // reads object for key "nickname" from [NSUserDefaults standardUserDefaults]