mirror of
https://github.com/DmcSDK/cordova-plugin-mediaPicker
synced 2026-05-22 00:01:31 +08:00
support ios
This commit is contained in:
dmcBig
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#import "DmcPickerViewController.h"
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#import "CollectionViewCell.h"
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#import <Photos/Photos.h>
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#define fDeviceWidth ([UIScreen mainScreen].bounds.size.width) //设备高度的宏
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#define fDeviceHeight ([UIScreen mainScreen].bounds.size.height)
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@interface DmcPickerViewController ()
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@property (strong, nonatomic) PHImageManager *manager;
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@end
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@implementation DmcPickerViewController
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- (void)viewDidLoad {
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//init config
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self.maxSelectCount=self.maxSelectCount>0?self.maxSelectCount:15;
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self.selectMode=self.selectMode>0?self.selectMode:101;
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//config end
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[super viewDidLoad];
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[self initView];
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[self requestPermission];
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}
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-(void)initView{
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[[self view]setBackgroundColor:[UIColor greenColor]];
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UIBarButtonItem *rightButtonItem = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Done",nil) style:UIBarButtonItemStylePlain target:self action:@selector(done)];
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UIBarButtonItem *leftButtonItem = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Cancel",nil) style:UIBarButtonItemStylePlain target:self action:@selector(cancel)];
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self.navigationItem.rightBarButtonItem = rightButtonItem;
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[self setDoneBtnStatus];
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self.navigationItem.leftBarButtonItem=leftButtonItem;
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self.navigationItem.title=NSLocalizedString(@"all",nil);
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[self.view addSubview:self.collectionView];
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}
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-(void) done{
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[self._delegate resultPicker:selectArray];
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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-(void) cancel{
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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-(void)requestPermission{
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//监测权限
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if ([PHPhotoLibrary authorizationStatus] != PHAuthorizationStatusAuthorized) {
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[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
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if ([PHPhotoLibrary authorizationStatus] != PHAuthorizationStatusAuthorized) {
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UIAlertController *alert = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Unable to access album",nil) message:NSLocalizedString(@"Please allow to access your album",nil) preferredStyle:UIAlertControllerStyleAlert];
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[alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel",nil) style:UIAlertActionStyleDefault handler:nil]];
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[alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Setting",nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
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}]];
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[self presentViewController:alert animated:YES completion:nil];
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}else {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self getAlassetData];
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});
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}
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}];
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}else {
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[self getAlassetData];
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}
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}
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-(void) getAlassetData{
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selectArray=[[NSMutableArray alloc] init];
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// 获取所有资源的集合，并按资源的创建时间排序
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PHFetchOptions *options = [[PHFetchOptions alloc] init];
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options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];
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if(self.selectMode==100){
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options.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld", PHAssetMediaTypeImage];
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}else if(self.selectMode==102){
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options.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld", PHAssetMediaTypeVideo];
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}
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fetchResult = [PHAsset fetchAssetsWithOptions:options];
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_manager = [PHImageManager defaultManager];
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[_collectionView reloadData];
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}
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#pragma mark - 创建collectionView并设置代理
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- (UICollectionView *)collectionView
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{
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if (_collectionView == nil) {
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UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
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_collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, fDeviceWidth, fDeviceHeight) collectionViewLayout:flowLayout];
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int count=3;
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if([[UIDevice currentDevice].model isEqualToString:@"iPad"]){
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count=8;
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}
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//定义每个UICollectionView 的大小
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flowLayout.itemSize = CGSizeMake((fDeviceWidth-2)/count, (fDeviceWidth-2)/count);
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//定义每个UICollectionView 横向的间距
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flowLayout.minimumLineSpacing = 1;
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//定义每个UICollectionView 纵向的间距
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flowLayout.minimumInteritemSpacing = 1;
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//定义每个UICollectionView 的边距距
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flowLayout.sectionInset = UIEdgeInsetsMake(0, 0, 5, 0);//上左下右
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//注册cell和ReusableView（相当于头部）
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[_collectionView registerClass:[CollectionViewCell class] forCellWithReuseIdentifier:@"cell"];
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//[_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"ReusableView"];
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//设置代理
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_collectionView.delegate = self;
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_collectionView.dataSource = self;
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//背景颜色
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_collectionView.backgroundColor = [UIColor whiteColor];
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//自适应大小
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_collectionView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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}
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return _collectionView;
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}
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#pragma mark - UICollectionView delegate dataSource
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#pragma mark 定义展示的UICollectionViewCell的个数
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-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return fetchResult.count;
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}
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#pragma mark 定义展示的Section的个数
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-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
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{
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return 1;
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}
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#pragma mark 每个UICollectionView展示的内容
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-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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static NSString *identify = @"cell";
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CollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:identify forIndexPath:indexPath];
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[cell sizeToFit];
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PHAsset *asset=fetchResult[indexPath.item];
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[_manager requestImageForAsset:asset
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targetSize:CGSizeMake(200 , 200)
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contentMode:PHImageContentModeAspectFill
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options:nil
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resultHandler:^(UIImage * _Nullable result, NSDictionary * _Nullable info) {
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cell.imgView.image = result;
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}];
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NSInteger i=[self isSelect:asset];
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if(asset.mediaType==PHAssetMediaTypeVideo){
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cell.labelL.hidden=NO;
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cell.labelR.hidden=NO;
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NSString *dtime=[NSString stringWithFormat:@"%.0f",asset.duration];
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cell.labelL.text=[@"\t"stringByAppendingString:NSLocalizedString(@"Video",nil)];
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cell.labelR.text=[[self getNewTimeFromDurationSecond:dtime.integerValue]stringByAppendingString:@"\t"];
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}else{
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cell.labelL.hidden=YES;
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cell.labelR.hidden=YES;
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}
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if(i<0){
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[self hidenSelectView:cell];
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}else{
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[self showSelectView:cell];
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}
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return cell;
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}
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//UICollectionView被选中时调用的方法
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-( void )collectionView:( UICollectionView *)collectionView didSelectItemAtIndexPath:( NSIndexPath *)indexPath{
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NSLog(@"%ld",(long)indexPath.row);
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PHAsset * asset=fetchResult[indexPath.row];
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NSInteger i=[self isSelect:asset];
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CollectionViewCell *cell = (CollectionViewCell *)[collectionView cellForItemAtIndexPath:indexPath];
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if([selectArray count]>=self.maxSelectCount&&i<0){
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[self alertMax];
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}else{
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if([selectArray count]>self.maxSelectCount){
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[self alertMax];
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}else{
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i<0?[selectArray addObject:asset]:[selectArray removeObject:asset];
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i<0?[self showSelectView:cell]:[self hidenSelectView:cell];
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}
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}
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[self setDoneBtnStatus];
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}
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-(void)setDoneBtnStatus{
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if([selectArray count]>0){
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self.navigationItem.rightBarButtonItem.enabled= YES;
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}else{
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self.navigationItem.rightBarButtonItem.enabled= NO;
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}
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}
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-(void)showSelectView:( CollectionViewCell *)cell{
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cell.checkView.hidden=NO;
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cell.whiteView.hidden=NO;
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cell.whiteView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.5];
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cell.checkView.image=[UIImage imageNamed:@"dmcPicker.bundle/select80.png"];
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}
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-(void)hidenSelectView:( CollectionViewCell *)cell{
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cell.checkView.hidden=YES;
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cell.whiteView.hidden=YES;
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}
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-(NSInteger)isSelect:(PHAsset *)asset
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{
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int is=-1;
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if([selectArray count]<=0){
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return is;
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}
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for(NSInteger i=0;i<[selectArray count];i++){
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PHAsset *now=selectArray[i];
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if ([asset.localIdentifier isEqualToString:now.localIdentifier]) {
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return i;
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}
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}
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return is;
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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}
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-(void)alertMax{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@""
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message:NSLocalizedString(@"maxSelectAlert",nil)
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preferredStyle:UIAlertControllerStyleAlert];
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UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"ok",nil) style:UIAlertActionStyleDefault handler:nil];
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[alertController addAction:okAction];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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- (NSString *)getNewTimeFromDurationSecond:(NSInteger)duration {
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NSString *newTime;
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if (duration < 10) {
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newTime = [NSString stringWithFormat:@"0:0%ld",(long)duration];
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} else if (duration < 60) {
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newTime = [NSString stringWithFormat:@"0:%ld",(long)duration];
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} else {
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NSInteger min = duration / 60;
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NSInteger sec = duration - (min * 60);
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if (sec < 10) {
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newTime = [NSString stringWithFormat:@"%ld:0%ld",(long)min,(long)sec];
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} else {
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newTime = [NSString stringWithFormat:@"%ld:%ld",(long)min,(long)sec];
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}
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}
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return newTime;
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}
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@end
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