LiedouYouxuan/YouHuiProject/YouHui/Home/ViewController/Today/View/SuperBrand(�.../LDSuperBrand...

//
//  LDSuperBrandView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/12/10.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "LDSuperBrandView.h"
#import "LDSuperBrandCollectionCell.h"
#import "LDSuperBrandMoreCell.h"

static NSString *cellId = @"cellID";
static NSString *moreCellId = @"moreCellId";
@interface LDSuperBrandView ()
<
UICollectionViewDelegate,
UICollectionViewDataSource,
UICollectionViewDelegateFlowLayout,
UIScrollViewDelegate
>{
    NSInteger offX;
    BOOL returnFlag;
    NSArray *dataArr;
}
@property (nonatomic, strong) UIView *bgView;
@property (nonatomic, strong) UIImageView *topImgView;
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) NSTimer *timer;
@end

@implementation LDSuperBrandView

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

- (void)initSubViews {
    self.bgView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.width, self.height)];
    [self addSubview:self.bgView];
    self.bgView.backgroundColor = [UIColor YHColorWithHex:0xFDF8F1];
    
    self.topImgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0,self.bgView.width, self.bgView.width*36/365)];
    self.topImgView.image = [UIImage imageNamed:@"childSuper"];
    self.topImgView.backgroundColor = [UIColor YHColorWithHex:0xFDF8F1];
    [self.bgView addSubview:self.topImgView];
    
    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
    flowLayout.minimumLineSpacing = 5;
    flowLayout.minimumInteritemSpacing = 0;
    flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, self.topImgView.bottom, self.bgView.width, 100) collectionViewLayout:flowLayout];
    self.collectionView.delegate = self;
    self.collectionView.dataSource = self;
    self.collectionView.backgroundColor = [UIColor YHColorWithHex:0xFDF8F1];
    self.collectionView.showsVerticalScrollIndicator = NO;
    self.collectionView.showsHorizontalScrollIndicator = NO;
    [self.collectionView registerClass:[LDSuperBrandCollectionCell class] forCellWithReuseIdentifier:cellId];
    [self.collectionView registerClass:[LDSuperBrandMoreCell class] forCellWithReuseIdentifier:moreCellId];
    [self.bgView addSubview:self.collectionView];
}


//- (void)startTimer {
//    if (!self.timer) {
//        self.timer = [NSTimer scheduledTimerWithTimeInterval:.1 target:self selector:@selector(autoNextPage) userInfo:nil repeats:YES];
//        [[NSRunLoop mainRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
//    }
//}
//
//- (void)stopTimer {
//
//    if (self.timer) {
//        [self.timer invalidate];
//        self.timer = nil;
//    }
//}

//- (void)autoNextPage {
//    CGSize contentSize = self.collectionView.contentSize;
//    CGFloat OffsetX = self.collectionView.contentOffset.x;
//    BOOL isBottom = (contentSize.width - OffsetX) <= self.collectionView.frame.size.width;
//
//    if (isBottom) {
//        returnFlag = YES;
//    }
//    if (offX <= 0) {
//        returnFlag = NO;
//    }
//
//    if (returnFlag) {
//        offX--;
//    }else {
//        offX++;
//    }
//
//    [self.collectionView setContentOffset:CGPointMake(offX, 0) animated:YES];
//}

//#pragma mark --将要开始拖拽
//- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
//    [self stopTimer];
//}
//
//#pragma mark --结束拖拽
//- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
//    [self startTimer];
//}
//
//
//#pragma mark --将要结束拖拽
//- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
//
//    CGSize contentSize = self.collectionView.contentSize;
//    BOOL isBottom = (contentSize.width - targetContentOffset->x) <= self.collectionView.frame.size.width;
//
//    if (isBottom) {
//        returnFlag = YES;
//    }
//    if (offX <= 0) {
//        returnFlag = NO;
//    }
//
//    offX = targetContentOffset->x;
//
//}

- (void)setSuperBrandData:(NSArray *)list {
    dataArr = list.mutableCopy;
    [self.collectionView reloadData];
//    if (self.timer) {
//        [self stopTimer];
//    }
//    [self startTimer];
}


#pragma mark ======
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (dataArr.count > 0) {
        return dataArr.count+1;
    }
    return dataArr.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return CGSizeMake(95, 95);
}



- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
    return UIEdgeInsetsMake(0, 5, 0, 5);
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.row == dataArr.count) {
        LDSuperBrandMoreCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:moreCellId forIndexPath:indexPath];
        cell.backgroundColor = [UIColor whiteColor];
        return cell;
    }
    LDSuperBrandCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:cellId forIndexPath:indexPath];
    LDSuperBrandModel *model;
    if (dataArr.count > indexPath.row) {
        model = dataArr[indexPath.row];
    }
    cell.model = model;
    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.row == dataArr.count) {
        if (self.moreClick) {
            self.moreClick();
        }
    }else {
        if (self.selectedClick) {
            LDSuperBrandModel *model;
            if (dataArr.count > indexPath.row) {
                model = dataArr[indexPath.row];
            }
            self.selectedClick(model);
        }
    }
}


@end