LiedouYouxuan/YouHuiProject/YouHui/ShareGoodPag.../LDImageConta...

//
//  LDImageContainerView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/12/28.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "LDImageContainerView.h"
#import "LDContainerImageCell.h"
#import "SDPhotoBrowser.h"

@interface LDImageContainerView ()
<
UICollectionViewDelegate,
UICollectionViewDataSource,
UICollectionViewDelegateFlowLayout,
UIScrollViewDelegate,
SDPhotoBrowserDelegate
>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) UIScrollView *scrollView;
@property (nonatomic, strong) NSArray *dataArr;
@property (nonatomic, strong) NSMutableArray *imgViewArray;
@end

static NSString *cellID = @"cellID";
@implementation LDImageContainerView

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

- (void)initSubViews {
//    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
//    flowLayout.minimumLineSpacing = 5;
//    flowLayout.minimumInteritemSpacing = 5;
//    flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
//    self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 5, SCREEN_WIDTH, 150) 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:[LDContainerImageCell class] forCellWithReuseIdentifier:cellID];
//    [self addSubview:self.collectionView];
    
    self.scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 150)];
    [self addSubview:self.scrollView];
}

- (void)reloadWithDataArray:(NSArray *)dataArr {
    self.dataArr = dataArr;
    CGFloat width = 147;
    [self.scrollView removeAllSubviews];
    [self.imgViewArray removeAllObjects];
    UIImageView *lastImgView;
    for (int i = 0; i<self.dataArr.count; i++) {
        LDShareImageCellModel *model = self.dataArr[i];
        UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(15+(width+5)*i, 2, width, width)];
        imgView.contentMode = UIViewContentModeScaleAspectFit;
        imgView.backgroundColor = [UIColor whiteColor];
        imgView.userInteractionEnabled = YES;
        imgView.tag = 10000+i;
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapImgAction:)];
        [imgView addGestureRecognizer:tap];
        [self.imgViewArray addObject:imgView];
        
        UIButton *selBtn = [[UIButton alloc] initWithFrame:CGRectMake(width-40, 0, 40, 40)];
        [selBtn setImage:[UIImage imageNamed:@"cell_sel_n"] forState:UIControlStateNormal];
        [selBtn setImage:[UIImage imageNamed:@"cell_sel_s"] forState:UIControlStateSelected];
        selBtn.selected = model.isSelected;
        [selBtn addTarget:self action:@selector(selectedAction:) forControlEvents:UIControlEventTouchUpInside];
        selBtn.tag = 1000+i;
        [imgView addSubview:selBtn];
        
        [self.scrollView addSubview:imgView];
        if (i == 0) {
            if (!model.shareImg) {
                UIActivityIndicatorView *indicatorView = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:(UIActivityIndicatorViewStyleGray)];
                indicatorView.frame= CGRectMake(0, 0, 50, 50);
                indicatorView.color = [UIColor homeRedColor];
                indicatorView.center = CGPointMake(imgView.width/2, imgView.height/2);
                [indicatorView startAnimating];
                [imgView addSubview:indicatorView];
            }
            
            imgView.image = model.shareImg;
            UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, width-28, width, 28)];
            label.backgroundColor = [UIColor YHColorWithHex:0xFF891A];
            label.textAlignment = NSTextAlignmentCenter;
            label.textColor = [UIColor whiteColor];
            label.font = [UIFont systemFontOfSize:13];
            label.text = @"二维码推广图";
            [imgView addSubview:label];
        }else {
            [imgView sd_setFadeImageWithURL:[NSURL URLWithString:model.imgUrl] placeholderImage:nil options:0 progress:nil completed:nil];
        }
        lastImgView = imgView;
    }
//    [self.collectionView reloadData];
    self.scrollView.contentSize = CGSizeMake(lastImgView.right+15, 150);
}

- (void)selectedAction:(UIButton *)sender {
    NSInteger index = sender.tag - 1000;
    LDShareImageCellModel *model = self.dataArr[index];
    model.isSelected = !model.isSelected;
    
    [self reloadWithDataArray:self.dataArr];
    
}

- (void)tapImgAction:(UITapGestureRecognizer *)tap {
    UIImageView *imgView = (UIImageView *)tap.view;
    NSInteger index = imgView.tag - 10000;
    SDPhotoBrowser *browser = [[SDPhotoBrowser alloc] init];
    browser.sourceImagesContainerView = self.scrollView;
    browser.currentImageIndex = index;
    browser.delegate = self;
    browser.imageCount = self.dataArr.count;
    [browser show];
}

//#pragma mark ======
//- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
//    return self.dataArr.count;
//}
//
//- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
//    return CGSizeMake(147, 147);
//}
//
//
//
//- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
//    return UIEdgeInsetsMake(0, 15, 0, 5);
//}
//
//- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
//
//    LDContainerImageCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:cellID forIndexPath:indexPath];
//    LDShareImageCellModel *model = self.dataArr[indexPath.row];
//    cell.selectBlock = ^{
//        for (int i = 0; i < self.dataArr.count; i++) {
//            LDShareImageCellModel *item = self.dataArr[i];
//            if (i == indexPath.row) {
//                item.isSelected = YES;
//            }else {
//                item.isSelected = NO;
//            }
//        }
//        [self.collectionView reloadData];
//    };
//    cell.model = model;
//    if (indexPath.row == 0) {
//        cell.qrImgLabel.hidden = NO;
//    }else {
//        cell.qrImgLabel.hidden = YES;
//    }
//    return cell;
//}
//
//- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
//    SDPhotoBrowser *browser = [[SDPhotoBrowser alloc] init];
//    browser.sourceImagesContainerView = self.collectionView;
//    browser.currentImageIndex = indexPath.row;
//    browser.delegate = self;
//    browser.imageCount = self.dataArr.count;
//    [browser show];
//
//}

#pragma mark ----SDPhotoBrowser
- (UIImage *)photoBrowser:(SDPhotoBrowser *)browser placeholderImageForIndex:(NSInteger)index {
    UIImageView *imgView = self.imgViewArray[index];
    if (imgView.image) {
        return imgView.image;
    }
    return [UIImage imageNamed:@"placeHolder"];
}

- (NSURL *)photoBrowser:(SDPhotoBrowser *)browser highQualityImageURLForIndex:(NSInteger)index {
    LDShareImageCellModel *model = self.dataArr[index];
    NSString *imgUrl = model.imgUrl;
    return [NSURL URLWithString:imgUrl];
}



#pragma mark ----
- (NSMutableArray *)imgViewArray {
    if (!_imgViewArray) {
        _imgViewArray = [NSMutableArray array];
    }
    return _imgViewArray;
}

@end