tederen_ios/smartRhino/Project/VCModel/WorkFlow/MyApprovalFileCell.m

//
//  MyApprovalFileCell.m
//  smartRhino
//
//  Created by tederen on 2019/11/27.
//  Copyright © 2019 tederen. All rights reserved.
//

#import "MyApprovalFileCell.h"
#import "MyWordCell.h"
#import <QuickLook/QuickLook.h>
#import "DownFileViewController.h"
@interface MyApprovalFileCell()<UICollectionViewDelegate,UICollectionViewDataSource,QLPreviewControllerDataSource>
@property (strong, nonatomic)QLPreviewController *previewController;
@property (copy, nonatomic)NSURL *fileURL;
@property (weak, nonatomic) IBOutlet UICollectionView *mycolletionView;
@property (nonatomic, strong) NSMutableArray <FlowAttachmentsModel *> *sourceData;
@end
@implementation MyApprovalFileCell

- (void)awakeFromNib {
    [super awakeFromNib];
    [self.mycolletionView registerNib:[UINib nibWithNibName:@"MyWordCell" bundle:nil] forCellWithReuseIdentifier:@"MyWordCell"];
    self.previewController  =  [[QLPreviewController alloc]  init];
    self.previewController.dataSource  = self;

}
#pragma mark - QLPreviewControllerDataSource
-(id<QLPreviewItem>)previewController:(QLPreviewController *)controller previewItemAtIndex:(NSInteger)index {
    return self.fileURL;
}
 
- (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)previewController{
    return 1;
}


- (void)loadFile:(NSString *)keyValue forWithImageArray:(NSArray<FlowAttachmentsModel *> *)array{
    self.sourceData = [NSMutableArray arrayWithArray:array];
    [self.mycolletionView reloadData];
}
- (NSMutableArray<FlowAttachmentsModel *> *)sourceData{
    if (!_sourceData) {
        _sourceData = [NSMutableArray array];
    }
    return _sourceData;
}
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
    return 1;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    return self.sourceData.count;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    MyWordCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:[MyWordCell className] forIndexPath:indexPath];
    cell.deleteButton.hidden = YES;
    [cell loadImageImageFlowModel:self.sourceData[indexPath.item]];
    return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    NSLog(@"点中的附件信息%@",self.sourceData[indexPath.item]);
//    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
//
//    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];
    FlowAttachmentsModel * model = self.sourceData[indexPath.item];
    if (self.ClickCellBlock) {
        self.ClickCellBlock(model.Url);
    }
    if (self.ClickCellModelBlock) {
        self.ClickCellModelBlock(model);
    }
    //
    //    NSString *fileName = [urlStr lastPathComponent]; //获取文件名称
    //    NSURL *URL = [NSURL URLWithString:urlStr];
    //    NSURLRequest *request = [NSURLRequest requestWithURL:URL];
    
    //判断是否存在
    //    if([self isFileExist:fileName]) {
    //        NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
    //        NSURL *url = [documentsDirectoryURL URLByAppendingPathComponent:fileName];
    ////        self.fileURL = url;
    //        [[UIApplication sharedApplication].windows.firstObject.rootViewController presentViewController:self.previewController animated:YES completion:nil];
    //    }else {
    //        SHOWLOADING
    //        NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:^(NSProgress *downloadProgress){
    //
    //        } destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
    //            NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
    //            NSURL *url = [documentsDirectoryURL URLByAppendingPathComponent:fileName];
    //            return url;
    //        } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
    //            REMOVESHOW
    //            NSLog(@"%@",response);
    //            self.fileURL = filePath;
    //            WorkFlowFileModel *mdoel = [[WorkFlowFileModel alloc]init];
    //            mdoel.PreviewUrl = filePath.absoluteString;
    //            mdoel.DownloadUrl = filePath.absoluteString;
    //            DownFileViewController *vc = [[DownFileViewController alloc]init];
    //            vc.model = mdoel;
    //            vc.modalPresentationStyle = UIModalPresentationFullScreen;
    //            [[UIApplication sharedApplication].windows.firstObject.rootViewController presentViewController:vc animated:YES completion:nil];
    //        }];
    //        [downloadTask resume];
    //    }
}

//判断文件是否已经在沙盒中存在
-(BOOL) isFileExist:(NSString *)fileName
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *path = [paths objectAtIndex:0];
    NSString *filePath = [path stringByAppendingPathComponent:fileName];
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL result = [fileManager fileExistsAtPath:filePath];
    return result;
}


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

    // Configure the view for the selected state
}

@end