UICollectionView+dequeue

UICollectionView+dequeue.swift

extension UICollectionView {

    public func dequeueReusableCell<T:UICollectionViewCell>(type: T.Type, indexPath: NSIndexPath) -> T {
        let collectionCell  : T
        let cellIdentifier  = String(T)

        if let _ = NSBundle(forClass: T.classForCoder()).pathForResource(cellIdentifier, ofType:"nib") {
            registerNib(UINib(nibName: cellIdentifier, bundle: nil), forCellWithReuseIdentifier: cellIdentifier)
            collectionCell = dequeueReusableCellWithReuseIdentifier(cellIdentifier, forIndexPath: indexPath) as! T
        }
        else {
            collectionCell = T()
        }
        return collectionCell

    }
}