erpsuiteios/common/customUI/commoneditor/CommonEditorBannerCell.m

//
//  CommonEditorBannerCell.m
//  TestPhoto
//
//  Created by Jack on 2017/11/30.
//  Copyright © 2017年 Jack. All rights reserved.
//

#import "CommonEditorBannerCell.h"
#import "CommonEditorBannerItemCell.h"

#import "RAYTPlayer.h"
#import "FileCache.h"

@interface CommonEditorBannerCell () <UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
{

}

@property (weak, nonatomic) IBOutlet RAYTPlayer *ytplayerView;

@property (strong, nonatomic) IBOutlet UIPageControl *pageControlView;
@property (strong, nonatomic) IBOutlet UICollectionView *bannerCollectionView;
@property (nonatomic,strong) UICollectionViewFlowLayout *flowLayout;
@property (nonatomic,strong) NSMutableDictionary *contentJson;
@end


@implementation CommonEditorBannerCell

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

- (instancetype)initWithCoder:(NSCoder *)aDecoder {
    if (self = [super initWithCoder:aDecoder]) {
        [self configBanner];
    }
    return self;
}

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

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        [self configBanner];
    }
    return self;
}

#pragma mark -

- (void)configBanner {
    if (self.bannerCollectionView) {
        [self.bannerCollectionView registerNib:[UINib nibWithNibName:@"Phone_Banner_Item_Cell" bundle:nil] forCellWithReuseIdentifier:@"CommonEditorBannerItemCell"];
        self.flowLayout = (UICollectionViewFlowLayout *)self.bannerCollectionView.collectionViewLayout;
    }
}

- (void)layoutSubviews {
    [super layoutSubviews];
    [self.flowLayout invalidateLayout];
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}

#pragma mark - Interface

- (NSDictionary *)content {
    return self.contentJson;
}

- (void)setContent:(NSDictionary *)content {
    _contentJson = [content mutableCopy];
    
    int count = [[self.contentJson objectForKey:@"count"] intValue];
    
    self.pageControlView.numberOfPages = count;
    self.pageControlView.currentPage = 0;
    
    __weak typeof(self) weakself = self;
    
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        for(int i=0;i<count;i++)
        {
            
            NSDictionary* item_json=[weakself.contentJson objectForKey:[NSString stringWithFormat:@"item_%d",i]];
            
            NSString* type = item_json[@"type"];

            
            NSString* img_url = [item_json valueForKey:@"s"];
            
            NSString* file_name=[img_url lastPathComponent];
            NSData* img_data=nil;
            
            if([type isEqualToString:@"video"])
            {
                img_data = UIImagePNGRepresentation([UIImage imageNamed:@"play"]);
            }
            else
            {
                NSLog(@"load img : %@",img_url);
                if([item_json[@"is_localfile"] boolValue])
                    img_data = [NSData dataWithContentsOfFile:img_url];
                else
                    img_data = [FileCache load_cached_img:file_name loadFrom:img_url];
            }
            
            if(img_data!=nil)
            {
                dispatch_async(dispatch_get_main_queue(), ^{
                    UIImage * img =[UIImage imageWithData:img_data];
                    [weakself updateImage:img atIndex:i];

                });
            }
            else
            {
                NSData*  downloadimg_data = nil;
                
                downloadimg_data = [NSData dataWithContentsOfURL:[NSURL URLWithString:img_url]];
                NSLog(@"load img");
                dispatch_async(dispatch_get_main_queue(), ^{
                    
                    if(downloadimg_data!=nil)
                    {
                        
                        [FileCache cache_img:downloadimg_data filename:file_name saveTo:img_url];
                        
                        UIImage * img =[UIImage imageWithData:downloadimg_data];
                        [weakself updateImage:img atIndex:i];

                    }
                    else
                    {

                        UIImage * img =[UIImage imageNamed:@"notfound_l"];
                        [weakself updateImage:img atIndex:i];

                    }
                    
                }); // gcd
                
            } // else

        } // for

    });// gcd
    
    [self.bannerCollectionView reloadData];
}

- (void)updateImage:(UIImage *)img atIndex:(NSInteger)index {
    if (img == nil) {
        NSLog(@"empty image at %ld",index);
        return;
    }
    NSLog(@"loaded image %@ at %ld",img,index);
    
    NSString *key = [NSString stringWithFormat:@"item_%ld",index];
    NSMutableDictionary *item_json = [[_contentJson objectForKey:key] mutableCopy];
    [item_json setObject:img forKey:@"image"];
    [_contentJson setObject:item_json forKey:key];
    
    NSArray<NSIndexPath *> *visibleArr = [self.bannerCollectionView indexPathsForVisibleItems];
    for (NSIndexPath *indexPath in visibleArr) {
        if (indexPath.row == index) {
            // 更新视图
            dispatch_async(dispatch_get_main_queue(), ^{
                [self.bannerCollectionView reloadItemsAtIndexPaths:@[indexPath]];
            });
        }
    }
}

#pragma mark - Private

- (IBAction)closePlayerBtnClick:(UIButton *)sender {
    [self.ytplayerView stopVideo];
    
    self.ytplayerView.hidden=true;
}


#pragma mark - DataSource & Delegate

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    int count = [[_contentJson objectForKey:@"count"] intValue];
    return count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    CommonEditorBannerItemCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"CommonEditorBannerItemCell" forIndexPath:indexPath];
    
    NSString *key = [NSString stringWithFormat:@"item_%ld",indexPath.row];
    NSMutableDictionary *item_json = [[_contentJson objectForKey:key] mutableCopy];
    
    [cell setItem:item_json];
    
    return cell;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return collectionView.bounds.size;
}

- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
    return 0;
}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
    if (scrollView == self.bannerCollectionView) {
        
        CGFloat offsetX = scrollView.contentOffset.x;
        CGFloat page = offsetX / CGRectGetWidth(scrollView.bounds);
        self.pageControlView.currentPage = (int)page;
    }
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    
    
    NSDictionary* item= _contentJson[[NSString stringWithFormat:@"item_%ld",indexPath.row]];
    
    if([item[@"type"] isEqualToString:@"video"])
    {
        
//        NSString* video_code=item[@"code"];
//
//        NSString* video_id=[self.playerView Embed2VID:video_code];
//
//        NSDictionary *playerVars = @{
//                                     @"playsinline" : @1,
//                                     @"autoplay" : @(1),
//                                     @"rel":@0,
//                                     @"showinfo": @0,
//                                     @"modestbranding":@0,
//                                     @"enablejsapi":@1
//                                     };
//
//        [self.playerView loadWithVideoId:video_id playerVars:playerVars];
//        for(UIView *v in self.playerView.subviews)
//        {
//            if([v isKindOfClass:[UIButton class] ])
//                [self.playerView bringSubviewToFront:v];
//        }
//        if (@available(iOS 9.0, *)) {
//            self.playerView.webView.allowsPictureInPictureMediaPlayback=false;
//        } else {
//            // Fallback on earlier versions
//        }
//        self.playerView.hidden=false;
        
        NSString* video_code=item[@"code"];
        [self.ytplayerView LoadWithVid:video_code];
        for(UIView *v in self.ytplayerView.subviews)
        {
            if([v isKindOfClass:[UIButton class] ])
                [self.ytplayerView bringSubviewToFront:v];
        }
        
        self.ytplayerView.hidden=false;
        
        return;

    }
    else
    {
//        ContentPreviewController *preVC = [[UIStoryboard storyboardWithName:@"PhotoList" bundle:nil] instantiateViewControllerWithIdentifier:@"ContentPreviewController"];
//        preVC.content = self.stack_contents;
//
//        [preVC setOffset:index];
//        UIViewController *superVC= [RAUtils getViewController:self];
//        [superVC.navigationController pushViewController:preVC animated:true];
        
        
        if (self.delegate && [self.delegate respondsToSelector:@selector(commonEditorBannerCell:didClickItemAtIndexPath:)]) {
            [self.delegate commonEditorBannerCell:self didClickItemAtIndexPath:indexPath];
        }
        
        return;
    }
    

//    // 调用展示窗口
//    ImageScrollerViewController *imgShow = [[ImageScrollerViewController alloc] initWithSourceData:[self.photos mutableCopy] withIndex:index];
//
//    UIViewController *vc= [RAUtils getViewController:self];
//    [vc.navigationController pushViewController:imgShow animated:true];
    

}

@end