Novel/XiaoShuoHui/TFReader/Classes/Other/Lib/TFFiltrateView/TFFiltrateCollectionView.m

//
//  TFFiltrateCollectionView.m
//  TFReader
//
//  Created by 谢腾飞 on 2020/12/25.
//  Copyright © 2020 xtfei_2011@126.com. All rights reserved.
//

#import "TFFiltrateCollectionView.h"
#import "TFFiltrateItemViewCell.h"

@interface TFFiltrateCollectionView ()<UICollectionViewDataSource, UICollectionViewDelegate>

@property (nonatomic ,strong) UICollectionViewFlowLayout *flowLayout;
@property (nonatomic ,strong) UICollectionView *collectionView;

@end

@implementation TFFiltrateCollectionView

- (instancetype)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        
        self.backgroundColor = [UIColor whiteColor];
        [self createSubViews];
    }
    return self;
}

- (void)createSubViews
{
    [self addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self);
    }];
    
    
    UIView *line = [[UIView alloc] init];
    line.backgroundColor = kGrayLineColor;
    [self addSubview:line];
    
    [line mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(kHalfMargin);
        make.bottom.equalTo(self.collectionView);
        make.width.mas_equalTo(self.mas_width);
        make.height.mas_equalTo(kCellLineHeight);
    }];
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    return self.searchModel.searchList.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    TFOptionListModel *t_list = [self.searchModel.searchList objectOrNilAtIndex:indexPath.row];
    TFFiltrateItemViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TFFiltrateItemViewCell" forIndexPath:indexPath];
    cell.optionModel = t_list;
    
    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    TFOptionListModel *t_list = [self.searchModel.searchList objectOrNilAtIndex:indexPath.row];
    
    if ([self.delegate respondsToSelector:@selector(selectFiltrateViewWithIndexPath:selectKeyword:selectValue:)]) {
        [self.delegate selectFiltrateViewWithIndexPath:indexPath selectKeyword:self.searchModel.field selectValue:t_list.value];
    }
}

- (void)setSearchModel:(TFSearchBoxModel *)searchModel
{
#if !TF_Free_Mode
    NSMutableArray *t_array = [searchModel.searchList mutableCopy];
    for (TFOptionListModel *t_model in t_array) {
        if ([t_model.display isEqualToString:TFLocalizedString(@"免费")]) {
            [t_array removeObject:t_model];
            break;
        }
    }
    searchModel.searchList = [t_array copy];
    
#elif !TF_Super_Member_Mode
    NSMutableArray *t_array = [searchModel.searchList mutableCopy];
    for (TFOptionListModel *t_model in t_array) {
        if ([t_model.display isEqualToString:TFLocalizedString(@"会员")]) {
            [t_array removeObject:t_model];
            break;
        }
    }
    searchModel.searchList = [t_array copy];
#endif
    
    _searchModel = searchModel;
    
    [self.collectionView reloadData];
}

- (UICollectionView *)collectionView
{
    if (!_collectionView) {
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:self.flowLayout];
        _collectionView.userInteractionEnabled = YES;
        _collectionView.backgroundColor = [UIColor clearColor];
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.alwaysBounceHorizontal = YES;
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        [_collectionView registerClass:[TFFiltrateItemViewCell class] forCellWithReuseIdentifier:@"TFFiltrateItemViewCell"];
        
        if (@available(iOS 11.0, *)) {
            _collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        }
    }
    return _collectionView;
}

- (UICollectionViewFlowLayout *)flowLayout
{
    if (!_flowLayout) {
        _flowLayout = [[UICollectionViewFlowLayout alloc] init];
        _flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        _flowLayout.estimatedItemSize = CGSizeMake(30, 30);
        _flowLayout.minimumLineSpacing = kQuarterMargin;
        _flowLayout.sectionInset = UIEdgeInsetsMake(0, kQuarterMargin, 0, kQuarterMargin);
    }
    return _flowLayout;
}


@end