UICollectionView的cell拖动交换位置

最新推荐文章于 2024-02-22 16:07:24 发布

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最新推荐文章于 2024-02-22 16:07:24 发布 · 3.8k 阅读

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#ios #UICollectionViewCell

- (void)handlelongGesture:(UILongPressGestureRecognizer *)longGesture {
    
    self.myIndexPath = [self.collectionView indexPathForItemAtPoint:[longGesture locationInView:self.collectionView]];
    
    //判断手势状态
    switch (longGesture.state) {
        case UIGestureRecognizerStateBegan:{
            
            //判断手势落点位置是否在路径上
            NSIndexPath *indexPath = [self.collectionView indexPathForItemAtPoint:[longGesture locationInView:self.collectionView]];

            if (indexPath == nil) {
                break;
            }
            //在路径上则开始移动该路径上的cell
            [self.collectionView beginInteractiveMovementForItemAtIndexPath:indexPath];
            
            self.myCell = (CostumCollectionViewCell *)[self.collectionView cellForItemAtIndexPath:self.myIndexPath];
            
            [self.myCell.layer removeAnimationForKey:@"shake"];
        }
            break;
        case UIGestureRecognizerStateChanged: