A draggable UICollectionViewCell hack

draggableUicvHack

(void)handlePan:(UIPanGestureRecognizer *)panRecognizer {

    CGPoint locationPoint = [panRecognizer locationInView:self.collectionView];

    if (panRecognizer.state == UIGestureRecognizerStateBegan) {

        NSIndexPath indexPathOfMovingCell = [self.collectionView indexPathForItemAtPoint:locationPoint];
        UICollectionViewCell *cell = [self.collectionView cellForItemAtIndexPath:indexPathOfMovingCell];

        UIGraphicsBeginImageContext(cell.bounds.size);
        [cell.layer renderInContext:UIGraphicsGetCurrentContext()];
        UIImage *cellImage = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();

        self.movingCell = [[UIImageView alloc] initWithImage:cellImage];
        [self.movingCell setCenter:locationPoint];
        [self.movingCell setAlpha:0.75f];
        [self.collectionView addSubview:self.movingCell];

    }

    if (panRecognizer.state == UIGestureRecognizerStateEnded) {
        [self.movingCell removeFromSuperview];
    }


    if (panRecognizer.state == UIGestureRecognizerStateChanged) {
        [self.movingCell setCenter:locationPoint];
    }

}