herbert77 / hhslideview Goto Github PK

- (instancetype)initWithFrame:(CGRect)aFrame {
    self = [super initWithFrame:aFrame];
    if (self) {
        [self initData];
        [self listenOrientationChanges]; //added a notification 
    }
    return self;
}

//also included init with coder, in case someone wants to use with storyboard
-(instancetype)initWithCoder:(NSCoder *)aDecoder{
    if ((self = [super initWithCoder:aDecoder])) {
        [self initData];
        [self listenOrientationChanges]; //added a notification 
    }
    return self;
}


-(void)listenOrientationChanges{
    [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:[UIDevice currentDevice]];
}

- (void)orientationChanged:(NSNotification *)note{
    [self resetViews];
}

-(void)resetViews{
    [[self.slideBar subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
    
    [self addSlideBar];
    [self addButtons];
    [self addSlider];
    // Here still a bug with the slideBar bottom line
}

- (void)createControllerViews {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        self.childControllersArray = [self.dataSource childViewControllersInSlideView:self];
        for (UIViewController *vc in self.childControllersArray) {
            [self.containerView addSubview:vc.view];
            [_controllerViewsArray addObject:vc.view];
        }
    });
}

- (void)layoutControllerViews {
    
    [_containerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(_scrollView);
        make.height.equalTo(_scrollView);
        make.width.equalTo(_scrollView).multipliedBy([_buttonsArray count]);
    }];
    
    for (int i=0; i<[_buttonsArray count]; i++) {
        UIView *view = [_controllerViewsArray objectAtIndex:i];
     
        CGFloat left = self.bounds.size.width * i;
        
        [view mas_updateConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(_containerView);
            make.left.equalTo(_containerView).offset(left);
            make.width.mas_equalTo(self.bounds.size.width);
            make.height.equalTo(_containerView);
        }];
    }
}