photoselection.m

@interface RegisterSpecializeViewController : UIViewController<UICollectionViewDataSource,UICollectionViewDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UINavigationControllerDelegate>
{
    NSString *updateImgKey;
    NSInteger imagePickerSelFor;
    NSArray *keysOfProfileImg;
    float xPoz;
   NSString *tempFileName;
    NSMutableDictionary  *CertificatephotoData;
  
    NSInteger pickerselectcount;
}
@property (nonatomic, retain) UIImagePickerController *imagePicker;
@property (strong, nonatomic) IBOutlet UICollectionView *CertificateCollectionview;

- (void)viewDidLoad {
    [super viewDidLoad];
   pickerselectcount = 0;
   CertificatephotoData = [[NSMutableDictionary alloc]init];
   [self.CertificateCollectionview reloadData];
}
 

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    if (CertificatephotoData.count == 10) {
        return 10;
    }
    else{
        return CertificatephotoData.count + 1;
    }
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"ComplaintCollectionCell" forIndexPath:indexPath];
    if (cell == nil)
    {
        cell=[collectionView dequeueReusableCellWithReuseIdentifier:@"ComplaintCollectionCell" forIndexPath:indexPath];
    }
    
    
    UIImageView *thumbail = (UIImageView*) [cell viewWithTag:50];
    UIButton *close = (UIButton*)[cell viewWithTag:51];
    
    if(indexPath.row == 0)
    {
        //imgReview.image = nil;
       
        [close setHidden:YES];
       
        thumbail.image = [UIImage imageNamed:@"ic_upload_file.png"];
        
    }else
    {
        //NSString *imgKey = [NSString stringWithFormat:@"reviewimg%u",indexPath.row+1];
        [close setHidden:NO];
        [close addTarget:self
                  action:@selector(CloseMethod:event:) forControlEvents:UIControlEventTouchDown];
        keysOfProfileImg=[self sortImageKey];
        id aKey = [keysOfProfileImg objectAtIndex:indexPath.row - 1];
        id anObject = [CertificatephotoData objectForKey:aKey];
        
        if ([anObject isKindOfClass:[NSData class]]) {
            
            UIImage *image = [UIImage imageWithData:anObject];
            [thumbail setImage:image];
            
        }else
        {
            NSURL *imageURL = [NSURL URLWithString:anObject];
            
            [thumbail sd_setImageWithURL:imageURL completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
                
            }];
        }
    }
    
    thumbail.layer.cornerRadius = 8.0f;
    thumbail.layer.masksToBounds = YES;
    
    return cell;
}
-(NSArray*)sortImageKey{
    NSArray *keys=[[NSArray alloc] init];
    keysOfProfileImg=[[NSArray alloc] init];
    keys=[CertificatephotoData allKeys];
    NSSortDescriptor* sortOrder = [NSSortDescriptor sortDescriptorWithKey: @"self"
                                                                ascending: NO];
    return [keys sortedArrayUsingDescriptors: [NSArray arrayWithObject: sortOrder]];
    
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{
    CGSize contentSize;
    
    if (collectionView == self.CertificateCollectionview) {
        contentSize = CGSizeMake(90.0f, 90.0f);
        return contentSize;
    }
    
    return contentSize;
}

-(IBAction)CloseMethod:(UIButton*)sender event:(id)event
{
    
    NSSet *touches = [event allTouches];
    
    UITouch *touch = [touches anyObject];
    
    CGPoint currentTouchPosition = [touch locationInView:self.CertificateCollectionview];
    
    NSIndexPath *indexPath = [self.CertificateCollectionview indexPathForItemAtPoint: currentTouchPosition];
    NSLog(@"%ld",(long)indexPath.row);
    
    
    
    id aKey = [keysOfProfileImg objectAtIndex:indexPath.row - 1];
//     keysOfProfileImg=[self sortImageKey];
//    NSArray *keys = [keysOfProfileImg objectAtIndex:indexPath.row - 1];
//   
//    id aKey = [keys objectAtIndex:indexPath.row];
    
    [CertificatephotoData removeObjectForKey:aKey];
    [self.CertificateCollectionview reloadData];
    [self collectionviewhight_constrain];
}
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
    return 1;
}


-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    if(indexPath.row == 0)
    {
        imagePickerSelFor = kAddNewImage;
        
    }else
    {
        imagePickerSelFor = kUpdateExistingImage;
        keysOfProfileImg=[self sortImageKey];
        
        id aKey = [keysOfProfileImg objectAtIndex:indexPath.row - 1];
        
        updateImgKey = aKey;
    }
    UIActionSheet *actionSheet = [[UIActionSheet alloc]initWithTitle:@"Choose Event Image From" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"Gallery",@"Camera", nil];
    
    actionSheet.actionSheetStyle = UIActionSheetStyleBlackTranslucent;
    
    [actionSheet showInView:self.view];
    
}

#pragma -mark camera deletegates method
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
    @try{
        if(buttonIndex == 0){
            [self cstmChooseImage:UIImagePickerControllerSourceTypePhotoLibrary];
        }else if (buttonIndex == 1){
            [self cstmChooseImage:UIImagePickerControllerSourceTypeCamera];
        }
    }
    @catch (NSException *exception) {
        NSLog(@"Exception:%@",exception);
    }
}
//select the photo chooose option
-(void)cstmChooseImage: (UIImagePickerControllerSourceType)sourceOption{
    UIImagePickerController *picker = [[UIImagePickerController alloc] init];
    picker.delegate = self;
    picker.allowsEditing = YES;
    picker.sourceType = sourceOption;
    
    [self presentViewController:picker animated:YES completion:NULL];
}


- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    
    if(info[UIImagePickerControllerMediaType]== (NSString *)kUTTypeImage)
    {
        //image
        //   NSData *imageData = UIImageJPEGRepresentation([info valueForKey:UIImagePickerControllerOriginalImage], 0);
        
        NSData *imageData =  UIImageJPEGRepresentation([info valueForKey:UIImagePickerControllerOriginalImage], 0);
        
        NSLog(@"Image Sized:%@",[NSByteCountFormatter stringFromByteCount:imageData.length countStyle:NSByteCountFormatterCountStyleMemory]);
        pickerselectcount++;
        NSString *imgKey = [NSString stringWithFormat:@"certificate%d",(int)pickerselectcount];
        
        [picker dismissViewControllerAnimated:YES completion:^{
            
            switch (imagePickerSelFor) {
                    
                case kAddNewImage:
                    [CertificatephotoData setValue:imageData forKey:imgKey];
                    break;
                case kUpdateExistingImage:
                    [CertificatephotoData setValue:imageData forKey:updateImgKey];
                    break;
                default:
                    break;
            }
            
            keysOfProfileImg=[self sortImageKey];
            [self.CertificateCollectionview reloadData];
             [self collectionviewhight_constrain];
        }];
    }
    
    
    [picker dismissViewControllerAnimated:YES completion:NULL];
    
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    
    [picker dismissViewControllerAnimated:YES completion:NULL];
    
}
-(void)cstmGetUploadImageName:(NSString *)filename{
    tempFileName = filename;
}