Tusker/Tusker/Screens/Utilities/CollectionViewController.swift

34 lines
1.0 KiB
Swift

//
// CollectionViewController.swift
// Tusker
//
// Created by Shadowfacts on 11/29/22.
// Copyright © 2022 Shadowfacts. All rights reserved.
//
import UIKit
protocol CollectionViewController: UIViewController {
var collectionView: UICollectionView! { get }
}
extension CollectionViewController {
func clearSelectionOnAppear(animated: Bool) {
guard let indexPath = collectionView.indexPathsForSelectedItems?.first else {
return
}
if let transitionCoordinator {
transitionCoordinator.animate { context in
self.collectionView.deselectItem(at: indexPath, animated: true)
} completion: { context in
if context.isCancelled {
self.collectionView.selectItem(at: indexPath, animated: false, scrollPosition: [] /* UICollectionViewScrollPositionNone */)
}
}
} else {
collectionView.deselectItem(at: indexPath, animated: animated)
}
}
}