Created
November 16, 2017 10:30
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| func collectionView(_ collectionView: UICollectionView, dropSessionDidUpdate session: UIDropSession, withDestinationIndexPath destinationIndexPath: IndexPath?) -> UICollectionViewDropProposal { | |
| let operation: UIDropOperation = session.localDragSession == nil ? .copy : .move | |
| let intent = UICollectionViewDropIntent.insertAtDestinationIndexPath | |
| let dropProposal = UICollectionViewDropProposal(operation: operation, intent: intent) | |
| return dropProposal | |
| } |
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