objective-c : make basic table view with custom background and jason data v.5

snippet.m

//make basic table view with custom background and jason data v.5
//Docking views
    
//DynamicSandwichViewController.m

@implementation DynamicSandwichViewController
{
	//Docking views
    UISnapBehavior* _snap;
    BOOL _viewDocked;
}

- (void)handlePan:(UIPanGestureRecognizer*)gesture {
    
    ...
        
    } else if (gesture.state == UIGestureRecognizerStateEnded && _draggingView) {
        
        [self tryDockView:draggedView];
        
        ...
    }
}


#pragma mark - tryDockView

- (void)tryDockView:(UIView *)view {
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    
    BOOL viewHasReachedDockLocation = view.frame.origin.y < 100.0;
    
    if (viewHasReachedDockLocation) {
        if (!_viewDocked) {
            _snap = [[UISnapBehavior alloc] initWithItem:view
                                         snapToPoint:self.view.center];
            [_animator addBehavior:_snap];
            [self setAlphaWhenViewDocked:view alpha:0.0];
            _viewDocked = YES;
        }
    
    } else {
        if (_viewDocked) {
            [_animator removeBehavior:_snap];
            [self setAlphaWhenViewDocked:view alpha:1.0];
            _viewDocked = NO;
        }
    }
}


#pragma mark - setAlphaWhenViewDocked (현재 뷰가 창 상단에 docking되어 있는지 여부에 따른 다른 창의 알파값 변화)

- (void)setAlphaWhenViewDocked:(UIView*)view alpha:(CGFloat)alpha {
    for (UIView* aView in _views) {
        if (aView != view) {
        aView.alpha = alpha; }
    }
}


@end