//
// FirViewController.m
// 多选Demo
//
#import "ShowViewController.h"
#import "NSObject+YFPhoto.h"
#import "YFShowGroupAlbumVC.h"
#import "ShowCell.h"
#import "YFSelfImage.h"
#import "ALAssetsLibrary+YF.h"
#import <AssetsLibrary/AssetsLibrary.h>
#define K_WIDTH [UIScreen mainScreen].bounds.size.width
#define K_HEIGHT [UIScreen mainScreen].bounds.size.height
static NSString * const FIRCELL = @"ShowCell";
@interface ShowViewController ()<UICollectionViewDelegate,UICollectionViewDataSource,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UIActionSheetDelegate>
{
NSMutableArray *imageArray; //数组
YFShowGroupAlbumVC *showVC; //显示相册分组的控制器
UINavigationController *navShow; //因为相册分组是模态出来的，所以给他一个导航，让相册详细界面可以导航出来
}
@property(nonatomic,strong)showBigImage *showView;//大图
//左边按钮
- (IBAction)clickLeftBtn:(id)sender;
//右边按钮
- (IBAction)clickBtn:(id)sender;
@property (weak, nonatomic) IBOutlet UICollectionView *collectionView;
@end
@implementation ShowViewController
- (void)viewDidLoad {
[super viewDidLoad];
imageArray = [NSMutableArray array];
showVC = [[YFShowGroupAlbumVC alloc]init];
navShow = [[UINavigationController alloc]initWithRootViewController:showVC];
[_collectionView registerNib:[UINib nibWithNibName:FIRCELL bundle:nil] forCellWithReuseIdentifier:FIRCELL];
_collectionView.backgroundColor = [UIColor whiteColor];
[self setCollectionLayOut];
//接受通知 一个是把宰相册详情选择的图片传过来，一个是把相机照的图片传过来
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(notShow:) name:@"pushImage" object:nil];
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(saveImageSure:) name:@"SAVEIMAGE" object:nil];
}
/**
* 获得选中的图片数组
*
* @param user <#user description#>
*/
- (void)notShow:(NSNotification *)user{
[imageArray removeAllObjects];
NSDictionary *dic = user.userInfo;
[imageArray addObjectsFromArray:dic[@"cellImage"]];
[_collectionView reloadData];
}
/**
* 获得相机图片
*
* @param user <#user description#>
*/
- (void)saveImageSure:(NSNotification *)user{
NSDictionary *dic = user.userInfo;
YFSelfImage *image = dic[@"saveImage"];
[imageArray addObject:image];
[_collectionView reloadData];
}
/**
* 设置布局
*/
- (void)setCollectionLayOut{
UICollectionViewFlowLayout *layOut = [[UICollectionViewFlowLayout alloc]init];
layOut.itemSize = CGSizeMake(K_WIDTH / 3, K_WIDTH / 3);
layOut.minimumLineSpacing = 0;
layOut.minimumInteritemSpacing= 0;
[_collectionView setCollectionViewLayout:layOut];
}
/**
* 左边按钮事件
*
* @param sender <#sender description#>
*/
- (IBAction)clickLeftBtn:(id)sender {
//弹出选择视图
UIActionSheet *sheet = [[UIActionSheet alloc]initWithTitle:@"选择方式" delegate:self cancelButtonTitle:@"取 消" destructiveButtonTitle:@"相 机" otherButtonTitles:@"相 册", nil];
[sheet showInView:self.view];
}
/**
* 右边按钮事件
*
* @param sender <#sender description#>
*/
- (IBAction)clickBtn:(id)sender {
showVC.showAlbumStyle = ENUM_PhotoAndCamera;
showVC.albumColor = [UIColor whiteColor];
showVC.listCount = 4;
[self presentViewController:navShow animated:YES completion:nil];
}
#pragma mark actionSheet代理
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
switch (buttonIndex) {
case 0:
//打开相机
[self showCamera];
break;
case 1:
//打开相册
showVC.showAlbumStyle = ENUM_AllOfPhoto;
showVC.albumColor = [UIColor whiteColor];
showVC.listCount = 5;
[self presentViewController:navShow animated:YES completion:nil];
break;
case 2:
NSLog(@"2");
break;
default:
break;
}
}
#pragma mark 九宫格代理
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
return imageArray.count;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
ShowCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:FIRCELL forIndexPath:indexPath];
cell.deleBtn.tag = indexPath.row;
//删除
__weak typeof(self)weakSelf = self;
cell.deleBlock = ^(NSInteger index){
//删除数组中对应的元素
[imageArray removeObjectAtIndex:index];
[weakSelf.collectionView reloadData];
};
YFSelfImage *image = imageArray[indexPath.row];
cell.imageView.image = image;
return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
YFSelfImage *image = imageArray[indexPath.row];
//获取图片的详细资源
ALAssetRepresentation *represention = [image.asset defaultRepresentation];
//获取高清图
UIImage *bigImage = [[UIImage alloc]initWithCGImage:[represention fullResolutionImage]];
//显示大图
if (!_showView) {
_showView = [[showBigImage alloc]initWithFrame:CGRectMake(0, 64, K_WIDTH, K_HEIGHT - 64)];
_showView.bigImageView.image = bigImage;
_showView.alpha = 1.0;
__weak typeof(self)weakSelf = self;
_showView.hiddenBlock = ^{
weakSelf.showView.alpha = 0.0;
};
[self.view addSubview:_showView];
}else{
_showView.bigImageView.image = bigImage;
_showView.alpha = 1.0;
}
}
- (void)dealloc{
[[NSNotificationCenter defaultCenter]removeObserver:self];
}
@end
/***************************大图显示view******************************/
@implementation showBigImage
- (instancetype)initWithFrame:(CGRect)frame{
self = [super initWithFrame:frame];
if (self) {
_bigImageView = [[UIImageView alloc]initWithFrame:self.bounds];
[self addSubview:_bigImageView];
_bigImageView.userInteractionEnabled = YES;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(hiddenView)];
[self.bigImageView addGestureRecognizer:tap];
}
return self;
}
- (void)hiddenView{
if (self.hiddenBlock) {
self.hiddenBlock();
}
}
@end
