LiedouYouxuan/YouHuiProject/YouHui/Home/ViewController/Other/View/LDChildHeade...

//
//  LDChildHeaderView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/1/18.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "LDChildHeaderView.h"

@interface LDChildHeaderView()<UICollectionViewDelegate, UICollectionViewDataSource> {
    CGFloat _height;
}
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) NSArray *dataArr;
@property (nonatomic, weak) id<YHChildHeaderViewDelegate> delegate;
@end

@implementation LDChildHeaderView

- (instancetype)initWithFrame:(CGRect)frame delegete:(id<YHChildHeaderViewDelegate>)delegate{
    
    self = [super initWithFrame:frame];
    if (self) {
        self.delegate = delegate;
        self.backgroundColor = [UIColor clearColor];
        
    }
    return self;
}

- (void)setChannelDataArr:(NSArray *)dataArr {
    self.dataArr = dataArr;
    NSInteger row = self.dataArr.count%4 == 0 ? self.dataArr.count/4:self.dataArr.count/4+1;
    _height = row * Fitsize(90);
    if (row > 0) {
        self.height = _height;
    }else {
        self.height = _height;
    }
    
    [self makeUI];
}


- (void)makeUI {
    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
    flowLayout.itemSize = CGSizeMake(self.width/4, Fitsize(90));
    flowLayout.minimumLineSpacing = 0;
    flowLayout.minimumInteritemSpacing = 0;
    flowLayout.headerReferenceSize = CGSizeMake(0, 0);
    self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, self.width, _height) collectionViewLayout:flowLayout];
    [self.collectionView registerClass:[YHChildTypeCell class] forCellWithReuseIdentifier:@"YHChildTypeCell"];
    self.collectionView.backgroundColor = [UIColor whiteColor];
    self.collectionView.scrollEnabled = NO;
    self.collectionView.showsVerticalScrollIndicator = NO;
    self.collectionView.delegate = self;
    self.collectionView.dataSource = self;
    self.collectionView.layer.cornerRadius = Fitsize(8);
    [self addSubview: self.collectionView];
}

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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    YHChildTypeCell *cell = [self.collectionView dequeueReusableCellWithReuseIdentifier:@"YHChildTypeCell" forIndexPath:indexPath];
    LDChildCategoryModel *model = self.dataArr[indexPath.row];
    cell.model = model;
    return cell;
}
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
    return UIEdgeInsetsMake(Fitsize(10), 0, 0, 0);
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    LDChildCategoryModel *model = _dataArr[indexPath.row];
    if (self.delegate && [self.delegate respondsToSelector:@selector(YHChildHeaderViewDidSelectedIndex:model:)]) {
        [self.delegate YHChildHeaderViewDidSelectedIndex:indexPath.row model:model];
    }
}

@end

#pragma mark ------------------

@interface YHChildTypeCell()
@property (nonatomic, strong) UIImageView *imageView;
@property (nonatomic, strong) UILabel *label;
@end

@implementation YHChildTypeCell


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


- (void)makeUI {
    [self addSubview:self.imageView];
    [self addSubview:self.label];
    
    [self.imageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.mas_equalTo(self.mas_centerX);
        make.top.mas_equalTo(Fitsize(5));
        make.width.height.mas_equalTo(Fitsize(48));
    }];
    
    [self.label mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(self.imageView.mas_bottom).mas_offset(Fitsize(3));
        make.left.right.mas_equalTo(0);
        make.height.mas_equalTo(Fitsize(15));
    }];
    
}

- (void)setModel:(LDChildCategoryModel *)model {
    _model = model;
    self.label.text = model.name;
//    [self.imageView sd_setImageWithURL:[NSURL URLWithString:model.img] placeholderImage:nil];
    [self.imageView sd_setFadeImageWithURL:[NSURL URLWithString:model.img] placeholderImage:nil options:0 progress:nil completed:nil];
}

- (UIImageView *)imageView {
    if (!_imageView) {
        _imageView = [[UIImageView alloc] init];
        _imageView.layer.cornerRadius = Fitsize(4);
        _imageView.layer.masksToBounds = YES;
        _imageView.image = [UIImage imageNamed:@"category"];
    }
    return _imageView;
}

- (UILabel *)label {
    if (!_label) {
        _label = [[UILabel alloc] init];
        _label.textAlignment = NSTextAlignmentCenter;
        _label.font = [UIFont systemFontOfSize:12];
        _label.textColor = [UIColor YHColorWithHex:0x444444];
        _label.text = @"人气榜单";
    }
    return _label;
}

@end