// // HMPhotoSelectViewController.m // HMPhotoPickerDemo // // Created by HuminiOS on 15/11/16. // Copyright © 2015年 HuminiOS. All rights reserved. // #import "JCHATPhotoSelectViewController.h" #import "ThumbImageCollectionViewCell.h" #import "JCHATPhotoBrowserViewController.h" #import "JCHATPhotoModel.h" #import "JCHATPhotoPickerConstants.h" #import "AppDelegate.h" #import "JCHATSelectImgCollectionView.h" #define kPhotoGridViewFrame CGRectMake(0, 0, screenWidth,screenHeight - 45) #define kBrowserBtnFrame CGRectMake(13, 10, 35, 16) #define kSendBtnFrame CGRectMake(screenWidth - 45, 10, 35, 16) @interface JCHATPhotoSelectViewController (){ PHCachingImageManager *imageManager; NSMutableDictionary *selectedPhotoDic;// 已经选中的图片 NSMutableArray *allPhotoArr; __weak IBOutlet JCHATSelectImgCollectionView *photoGridView; __weak IBOutlet UIButton *browserBtn; __weak IBOutlet UILabel *selectedPhotoLabel; __weak IBOutlet UIButton *sendBtn; __weak IBOutlet UIView *bottomV; } @end @implementation JCHATPhotoSelectViewController - (void)viewDidLoad { [super viewDidLoad]; self.navigationController.navigationBar.translucent = NO; self.navigationController.navigationBar.hidden = YES; bottomV.backgroundColor = RGB_COLOR(@"#2c2840", 1); selectedPhotoDic = @{}.mutableCopy; allPhotoArr = @[].mutableCopy; // self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"取消" // style:UIBarButtonItemStylePlain // target:self // action:@selector(cancel)]; selectedPhotoLabel.layer.masksToBounds = YES; selectedPhotoLabel.layer.cornerRadius = selectedPhotoLabel.frame.size.height / 2; imageManager = [[PHCachingImageManager alloc] init]; NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter]; // [defaultCenter addObserver:self selector:@selector(didSelectStatusChange:) name:kSelectStatusChange object:nil]; // [defaultCenter addObserver:self selector:@selector(finshToSelectPhoto:) name:kFinishToSelectPhoto object:nil]; self.titleL.text = YZMsg(@"相机胶卷"); self.rightBtn.hidden = NO; [self.rightBtn setTitle:YZMsg(@"取消") forState:0]; [self setUpCollectionView]; if ([[[UIDevice currentDevice]systemVersion] floatValue] >= 8) { [self getAllPhotoWithPhotosFramework]; } else { [self getAllPhotoWithAssert]; } } - (void)cancel{ [self dismissViewControllerAnimated:YES completion:nil]; } - (void)getAllPhotoWithPhotosFramework { if (_allFetchResult == nil) { _allFetchResult = [PHAsset fetchAssetsInAssetCollection:(PHAssetCollection *)_photoCollection options:nil]; } if (_photoCollection.localIdentifier == nil) { self.titleL.text = YZMsg(@"相机胶卷"); } else { self.titleL.text = _photoCollection.localizedTitle; } PHFetchResult *allPhotoResult = _allFetchResult; for (int index = 0; index < [allPhotoResult count]; index ++) { PHAsset *asset = allPhotoResult[index]; JCHATPhotoModel *model = [[JCHATPhotoModel alloc] init]; [model setDataWithPhotoAsset:asset imageManager:imageManager]; [allPhotoArr addObject:model]; } [photoGridView reloadData]; [self performSelector:@selector(scrollPhotoGridToBottom) withObject:nil afterDelay:0.1]; } - (void)scrollPhotoGridToBottom { if (allPhotoArr.count == 0) return; [photoGridView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:allPhotoArr.count - 1 inSection:0] atScrollPosition:UICollectionViewScrollPositionNone animated:NO]; } - (void)getAllPhotoWithAssert { [[[ALAssetsLibrary alloc] init] enumerateGroupsWithTypes:ALAssetsGroupSavedPhotos usingBlock:^(ALAssetsGroup *group, BOOL *stop) { if (group != nil) { //设置过滤对象 ALAssetsFilter *filter = [ALAssetsFilter allPhotos]; [group setAssetsFilter:filter]; //通过文件夹枚举遍历所有的相片ALAsset对象，有多少照片，则调用多少次block [group enumerateAssetsUsingBlock:^(ALAsset *result, NSUInteger index, BOOL *stop) { if (result != nil) { //将result对象存储到数组中 JCHATPhotoModel *model = [[JCHATPhotoModel alloc] init]; [model setDatawithAsset:result]; [allPhotoArr addObject:model]; } }]; // 将所有获取的 照片模型 交给manager统一管理 [photoGridView reloadData]; [photoGridView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:allPhotoArr.count - 1 inSection:0] atScrollPosition:UICollectionViewScrollPositionNone animated:NO]; } } failureBlock:^(NSError *error) { UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:NSLocalizedString(@"提示",nil) message:NSLocalizedString(@"请允许访问相册,方可使用此功能!\n您可以在\"设置->隐私->照片\"中启用",nil) delegate:self cancelButtonTitle:NSLocalizedString(@"取消",nil) otherButtonTitles:NSLocalizedString(@"设置",nil), nil]; [alertView show]; }]; } - (void)setUpCollectionView { self.collectionTop.constant = 64+statusbarHeight; self.botToolHeigh.constant = 45+ShowDiff; photoGridView.minimumZoomScale = 0; photoGridView.contentOffset = CGPointMake(0, 64); [photoGridView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"gradientCell"]; [photoGridView registerNib:[UINib nibWithNibName:@"ThumbImageCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:@"ThumbImageCollectionViewCell"]; [self.view addSubview:photoGridView]; UICollectionViewFlowLayout *collectLayout = (UICollectionViewFlowLayout *)photoGridView.collectionViewLayout; collectLayout.itemSize = CGSizeMake(_window_width/4-1, _window_width/4-1); collectLayout.minimumLineSpacing = 0.5; collectLayout.minimumInteritemSpacing = 0.5; NSLog(@"translucent %@",[UINavigationBar appearance].translucent?@"yes":@"no"); if ([UINavigationBar appearance].translucent == YES) { collectLayout.headerReferenceSize = CGSizeMake(self.view.frame.size.width, 64); } photoGridView.backgroundColor = Normal_Color; photoGridView.delegate = self; photoGridView.dataSource = self; [photoGridView reloadData]; } - (IBAction)clickToBrowserSelectedPhotos:(id)sender { JCHATPhotoBrowserViewController *photoBrowserVC = [[JCHATPhotoBrowserViewController alloc] init]; photoBrowserVC.photoCollection = _photoCollection; photoBrowserVC.imageManager = imageManager; photoBrowserVC.allFetchResult = _allFetchResult; photoBrowserVC.photoDelegate = _photoDelegate; photoBrowserVC.selectVCDelegate = self; photoBrowserVC.allPhotoArr = [NSMutableArray arrayWithArray:[selectedPhotoDic allValues]]; NSIndexPath *browserIndex= [NSIndexPath indexPathForItem:0 inSection:0]; photoBrowserVC.currentIndex = browserIndex; [self.navigationController pushViewController:photoBrowserVC animated:YES]; } - (IBAction)sendSelectedPhotos:(id)sender { [self finshToSelectPhoto:nil]; } - (void)finshToSelectPhoto:(JCHATPhotoModel *)model { // if (notification != nil) { // if (selectedPhotoDic.count == 0) { // HMPhotoModel *model = notification.object; // if ([[[UIDevice currentDevice]systemVersion] floatValue] >= 8) {//宏 // [selectedPhotoDic setObject:model forKey:model.photoAsset]; // } else { // [selectedPhotoDic setObject:model forKey:model.imgURL]; // } // } // } if (selectedPhotoDic.count == 0) { if ([[[UIDevice currentDevice]systemVersion] floatValue] >= 8) {//宏 [selectedPhotoDic setObject:model forKey:model.photoAsset]; } else { [selectedPhotoDic setObject:model forKey:model.imgURL]; } } if ([_photoDelegate respondsToSelector:@selector(JCHATPhotoPickerViewController:selectedPhotoArray:)]){ __block NSMutableArray *selectedImageArr = @[].mutableCopy; for (NSString *key in selectedPhotoDic) { JCHATPhotoModel *photoModel = selectedPhotoDic[key]; if (photoModel.largeImage == nil) { NSLog(@"fail to get large image"); break; } [selectedImageArr addObject:photoModel.largeImage]; } [_photoDelegate JCHATPhotoPickerViewController:self selectedPhotoArray:selectedImageArr]; } [self dismissViewControllerAnimated:YES completion:NULL]; } - (void)didSelectStatusChange:(JCHATPhotoModel *)model { if ([[[UIDevice currentDevice]systemVersion] floatValue]>= 8) { if (selectedPhotoDic[model.photoAsset] == nil) { if (selectedPhotoDic.count > 8) { [MBProgressHUD showPop:YZMsg(@"最多选择9张图片")]; return; } [selectedPhotoDic setObject:model forKey:model.photoAsset]; } else { [selectedPhotoDic removeObjectForKey:model.photoAsset]; } } else { if (selectedPhotoDic[model.asset] == nil) { if (selectedPhotoDic.count > 8) { [MBProgressHUD showPop:YZMsg(@"最多选择9张图片")]; return; } [selectedPhotoDic setObject:model forKey:model.imgURL]; } else { [selectedPhotoDic removeObjectForKey:model.imgURL]; } } if ([selectedPhotoDic count] > 0) { browserBtn.enabled = YES; [browserBtn setTitleColor:Pink_Cor forState:0]; selectedPhotoLabel.hidden = NO; selectedPhotoLabel.text = [NSString stringWithFormat:@"%ld",(unsigned long)[selectedPhotoDic count]]; sendBtn.enabled = YES; [sendBtn setTitleColor:Pink_Cor forState:0]; } else { browserBtn.enabled = NO; [browserBtn setTitleColor:RGB_COLOR(@"#8c8c8c", 0.6) forState:0]; selectedPhotoLabel.hidden = YES; sendBtn.enabled = NO; [sendBtn setTitleColor:RGB_COLOR(@"#8c8c8c", 0.6) forState:0]; } } - (void)viewWillAppear:(BOOL)animated { [self.navigationController setNavigationBarHidden:YES]; [photoGridView reloadData]; } #pragma mark - CollectionViewDelegate - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section { return allPhotoArr.count; } - (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView { return 1; } //- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(nonnull NSIndexPath *)indexPath { // return CGSizeMake(80, 80); //} - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"ThumbImageCollectionViewCell"; ThumbImageCollectionViewCell *cell = (ThumbImageCollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:CellIdentifier forIndexPath:indexPath]; [cell setDataWithModel:allPhotoArr[indexPath.item] withDelegate:self]; cell.backgroundColor = CellRow_Cor; return cell; } - (void)collectionView:(UICollectionView * _Nonnull)collectionView didSelectItemAtIndexPath:(NSIndexPath * _Nonnull)indexPath { JCHATPhotoBrowserViewController *photoBrowserVC = [[JCHATPhotoBrowserViewController alloc] init]; photoBrowserVC.photoCollection = _photoCollection; photoBrowserVC.imageManager = imageManager; photoBrowserVC.allFetchResult = _allFetchResult; photoBrowserVC.allPhotoArr = allPhotoArr; photoBrowserVC.photoDelegate = _photoDelegate; photoBrowserVC.currentIndex = indexPath; photoBrowserVC.selectVCDelegate = self; [self.navigationController pushViewController:photoBrowserVC animated:YES]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } #pragma mark - 导航 - (void)clickNaviRightBtn { [self dismissViewControllerAnimated:YES completion:nil]; } @end