NewShengQian/YouHuiProject/YouHui/Classification/View/DRClassifyRi...

//
//  DRClassifyRightView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/4/28.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "DRClassifyRightView.h"
#import "DRClassifyRightCollectionViewCell.h"
#import "DRCategoryModel.h"
#import "DRSecondCategoryModel.h"

static NSString *const itemIdentifier = @"itemIdentifier";

@interface DRClassifyRightView()<UICollectionViewDelegate,UICollectionViewDataSource>

@property (nonatomic,strong)UICollectionView *collectionView;

@end

@implementation DRClassifyRightView

- (instancetype)initWithFrame:(CGRect)frame{
    if (self == [super initWithFrame:frame]) {
        [self setupUI];
    }
    return self;
}

- (void)setupUI{
    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
    flowLayout.itemSize = CGSizeMake(self.width / 3, FITSIZE(114));
    flowLayout.minimumLineSpacing = 0;
    flowLayout.minimumInteritemSpacing = 0;
    self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, self.width, self.height) collectionViewLayout:flowLayout];
    self.collectionView.backgroundColor = [UIColor whiteColor];
    [self.collectionView registerClass:[DRClassifyRightCollectionViewCell class] forCellWithReuseIdentifier:itemIdentifier];
    self.collectionView.showsVerticalScrollIndicator = NO;
    self.collectionView.delegate = self;
    self.collectionView.dataSource = self;
    [self addSubview:self.collectionView];
}

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

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    DRClassifyRightCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:itemIdentifier forIndexPath:indexPath];
    DRSecondCategoryModel *model = self.dataSource[indexPath.item];
    cell.model = model;
    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    [self.collectionView deselectItemAtIndexPath:indexPath animated:YES];
    if (self.selectItemBlock) {
        self.selectItemBlock(indexPath.item);
    }
}

- (void)setDataSource:(NSArray *)dataSource{
    _dataSource = dataSource;
    [self.collectionView reloadData];
}



@end