LiedouYouxuan/YouHuiProject/YouHui/Home/ViewController/Today/View/LDMorePicCol...

//
//  LDMorePicCollectionCell.m
//  YouHuiProject
//
//  Created by jcymac on 2018/4/24.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "LDMorePicCollectionCell.h"
#import "LDMorePicCollectionViewCell.h"
#import "LDMorePicCollectionModel.h"
@interface LDMorePicCollectionCell()<UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>

@property(nonatomic,strong)UICollectionView *collectionView;

@property (nonatomic, strong) NSMutableArray *dataArr;
@end
@implementation LDMorePicCollectionCell

static NSInteger sumCell=0;


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


- (void)awakeFromNib {
    [super awakeFromNib];
    // Initialization code
}




- (void)setModelDatas:(NSArray *)dataArr {
    self.dataArr = [NSMutableArray arrayWithArray:dataArr];
    sumCell=self.dataArr.count;
    _collectionView=nil;
    for (UIView *view in self.subviews) {
        if ([view isKindOfClass:[UICollectionView class]]) {
            [view removeFromSuperview];
        }
    }
    
    [self addSubview:self.collectionView];
//    [self.collectionView reloadData];
}



#pragma mark -UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    if (self.dataArr==nil||self.dataArr.count==0) {
        return 0;
    }
    return self.dataArr.count;
}


- ( UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    LDMorePicCollectionViewCell *cell=[collectionView dequeueReusableCellWithReuseIdentifier:@"picCollectionViewCell" forIndexPath:indexPath];
    if (!cell) {
        
    }
    LDMorePicCollectionModel *model=self.dataArr[indexPath.row];
    cell.titleLabel.text=model.name;
//    [cell.picImageView  sd_setImageWithURL:[NSURL URLWithString:model.img] placeholderImage:[UIImage imageNamed:@""]];
    [cell.picImageView sd_setFadeImageWithURL:[NSURL URLWithString:model.img] placeholderImage:nil options:0 progress:nil completed:nil];
   
    return cell;
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section{
    return 0;
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section{
    return 0;
}

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


- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
        if (sumCell==0) {
            sumCell=4;
        }
        NSInteger offHeight2=0;
        if (iPhone5) {
            offHeight2=10;
        }
        NSInteger Crow=1;
        NSInteger Coff=-1;
        NSInteger CrowItemSum=5;
        Coff=sumCell%CrowItemSum;
        if (Coff!=0) {
            CrowItemSum=4;
            Coff=sumCell%CrowItemSum;
            if (Coff!=0) {
                Coff=sumCell%3;
                CrowItemSum=3;
                if (Coff!=0) {
                    CrowItemSum=5;
                }
            }
        }
        Crow=sumCell/CrowItemSum;
        if (Coff!=0) {
            Crow++;
        }
        float width=(SCREEN_WIDTH)/1.0f;
        flowLayout.itemSize = CGSizeMake((width-4)/CrowItemSum, SCREEN_WIDTH/4+offHeight2);
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, width, (SCREEN_WIDTH/4+offHeight2)*Crow) collectionViewLayout:flowLayout];
        _collectionView.layer.masksToBounds=YES;
        _collectionView.backgroundColor=[UIColor whiteColor];
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        [_collectionView registerNib:[UINib nibWithNibName:@"LDMorePicCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:@"picCollectionViewCell"];
    }
    return _collectionView;
}

@end