keyboard/keyBoard/Class/Pay/V/KBVipReviewListCell.m

//
//  KBVipReviewListCell.m
//  keyBoard
//
//  中文注释：底部 Cell，内部是横向滚动的 UICollectionView。
//

#import "KBVipReviewListCell.h"
#import "KBVipReviewItemCell.h"

static NSString * const kKBVipReviewItemCellId = @"kKBVipReviewItemCellId";

@interface KBVipReviewListCell () <UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
@property (nonatomic, strong) UICollectionView *collectionView;   // 内部横向滚动
@property (nonatomic, strong) NSArray<NSDictionary *> *data;      // 简单模拟数据
@end

@implementation KBVipReviewListCell

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.contentView.backgroundColor = [UIColor clearColor];
        [self.contentView addSubview:self.collectionView];
        [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self.contentView).insets(UIEdgeInsetsMake(0, 0, 0, 0));
        }];
        
        // 模拟数据
        _data = @[
            @{@"name":@"Sdsd666", @"text":@"I Highly Recommend This App. It Taught Me How To Chat"},
            @{@"name":@"Joyce",   @"text":@"Great keyboard and AI features!"},
            @{@"name":@"Luna",    @"text":@"Amazing app, love it."},
            @{@"name":@"Mark",    @"text":@"Helps with chat and emotion."},
            @{@"name":@"Alan",    @"text":@"Useful personalized keyboard."},
            @{@"name":@"Coco",    @"text":@"Recommend to friends."},
        ];
    }
    return self;
}

#pragma mark - DataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.data.count;
}
- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    KBVipReviewItemCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:kKBVipReviewItemCellId forIndexPath:indexPath];
    NSDictionary *d = self.data[indexPath.item];
    [cell configWithName:d[@"name"] text:d[@"text"]];
    return cell;
}

#pragma mark - FlowLayout
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    CGFloat w = floor((KB_SCREEN_WIDTH - 16 - 16 - 10) / 2.0); // 一屏展示两个
    return CGSizeMake(MAX(120, w), 120);
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section { return 10; }
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section { return 10; }
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
    return UIEdgeInsetsMake(0, 0, 0, 16);
}

#pragma mark - Lazy
- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout new];
        layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.backgroundColor = UIColor.clearColor;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
        [_collectionView registerClass:KBVipReviewItemCell.class forCellWithReuseIdentifier:kKBVipReviewItemCellId];
        if (@available(iOS 11.0, *)) {
            _collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        }
    }
    return _collectionView;
}

@end