add

2018-09-23 01:30:29 +08:00
parent db1740e72b
commit 3508cab25e
80 changed files with 3687 additions and 127 deletions
@@ -0,0 +1,240 @@
+//  SJPickPhotoController.m
+//  SJPhotoPickerDemo
+//
+//  Created by Jaesun on 16/8/19.
+//  Copyright © 2016年 S.J. All rights reserved.
+//
+
+#import "SJPickPhotoController.h"
+
+#import "SJPhotoPicker.h"
+#import "SJPhotoPickerMacro.h"
+
+#import "SJPhotoModel.h"
+
+#import "SJPickPhotoCell.h"
+#import "SJPhotoPickerToolBar.h"
+
+#import "SJPreviewPhotoController.h"
+
+@interface SJPickPhotoController ()<UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout,SJPreviewPhotoControllerDelegate>
+
+@property (nonatomic, strong) UICollectionView *collectionView;
+@property (nonatomic, strong) SJPhotoPickerToolBar *toolBar;
+
+/**
+ *  所有照片
+ */
+@property (nonatomic, strong) NSMutableArray<SJPhotoModel *> *photoArray;
+/**
+ *  选择的照片
+ */
+@property (nonatomic, strong) NSMutableArray<SJPhotoModel *> *pickedArray;
+
+@end
+
+static NSString *ID_SJPickPhotoCell = @"sJPickPhotoCell";
+
+@implementation SJPickPhotoController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    [self setupDatas];
+    [self setupViews];
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+}
+
+#pragma mark 数据初始化
+- (void)setupDatas {
+    // photoArray
+    {
+        self.photoArray = [NSMutableArray array];
+        
+        for (PHAsset *asset in self.assetResult) {
+            
+            SJPhotoModel *model = [[SJPhotoModel alloc] init];
+            model.asset = asset;
+            model.inAlbumIndex = self.photoArray.count;
+            model.pickedIndex = 0;
+            model.isPicked = NO;
+            [self.photoArray addObject:model];
+        }
+        [self.collectionView reloadData];
+    }
+    // pickedArray
+    {
+        self.pickedArray = [NSMutableArray array];
+    }
+}
+
+#pragma mark 视图初始化
+- (void)setupViews {
+    
+    self.view.backgroundColor = [UIColor whiteColor];
+    
+    if (self.title.length == 0) {
+        self.title = @"所有照片";
+    }
+    
+    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:(UIBarButtonItemStylePlain) target:self action:@selector(rightBarBtnAction:)];
+    
+    // collectionView
+    {
+        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
+        layout.minimumLineSpacing = 5.0f;
+        layout.minimumInteritemSpacing = 0.0f;
+        self.collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 5, SCREEN_W, SCREEN_H - 49) collectionViewLayout:layout];
+        self.collectionView.delegate = self;
+        self.collectionView.dataSource = self;
+        [self.collectionView registerClass:[SJPickPhotoCell class] forCellWithReuseIdentifier:ID_SJPickPhotoCell];
+        self.collectionView.backgroundColor = [UIColor whiteColor];
+        self.collectionView.pagingEnabled = NO;
+        [self.view addSubview:self.collectionView];
+    }
+    
+    // toolBar
+    {
+        self.toolBar = [[SJPhotoPickerToolBar alloc] init];
+        [self.toolBar.leftBtn addTarget:self action:@selector(previewPhotoAction:) forControlEvents:(UIControlEventTouchUpInside)];
+        [self.toolBar.rightBtn addTarget:self action:@selector(sureBtnAction:) forControlEvents:(UIControlEventTouchUpInside)];
+        [self.view addSubview:self.toolBar];
+    }
+}
+
+#pragma mark- UICollectionViewDelegate DataSource
+#pragma mark-
+- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
+    return 1;
+}
+
+- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
+    return self.photoArray.count;
+}
+
+- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    
+    SJPickPhotoCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:ID_SJPickPhotoCell forIndexPath:indexPath];
+    
+    cell.backgroundColor = [UIColor yellowColor];
+  
+    SJPhotoModel *model = self.photoArray[indexPath.row];
+    [cell setModel:model];
+    
+    __weak typeof(cell) weakCell = cell;
+    
+    cell.pickBtnBlock = ^(SJPhotoModel *curPickModel) {
+        [self changeCell:weakCell WithModel:curPickModel];
+    };
+    return  cell;
+}
+
+- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
+    return CGSizeMake(Image_W, Image_W);
+    
+}
+
+- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
+   
+    SJPreviewPhotoController *vc = [[SJPreviewPhotoController alloc] init];
+    vc.delegate = self;
+    vc.curIndex = indexPath.row;
+    vc.previewArray = [self.photoArray mutableCopy];
+    [self.navigationController pushViewController:vc animated:YES];
+}
+
+#pragma mark- 点击事件
+#pragma mark-
+
+#pragma mark 预览
+- (void)previewPhotoAction:(UIButton *)sender {
+    
+    if (self.pickedArray.count > 0) {
+        
+        SJPreviewPhotoController *vc = [[SJPreviewPhotoController alloc] init];
+        vc.delegate = self;
+        vc.curIndex = self.pickedArray.count - 1;
+        vc.previewArray = [self.pickedArray mutableCopy];
+        [self.navigationController pushViewController:vc animated:YES];
+    }
+}
+
+#pragma mark 取消
+- (void)rightBarBtnAction:(UIBarButtonItem *)sender {
+    
+    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+}
+
+#pragma mark 确定
+- (void)sureBtnAction:(UIButton *)sender {
+   
+    NSMutableArray *assetArray = [NSMutableArray array];
+    for (SJPhotoModel *model in self.pickedArray) {
+        PHAsset *asset = model.asset;
+        [assetArray addObject:asset];
+    }
+    if (assetArray.count > MAXCOUNT) {
+        GIGA_ShowToast(@"最多6张");
+        return;
+    }
+    
+    SJPhotoPicker *photoPicker = [SJPhotoPicker shareSJPhotoPicker];
+    photoPicker.photoPickerBlock(assetArray);
+    
+    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+}
+
+#pragma mark- 其他方法
+#pragma mark-
+
+#pragma mark 通过改变改变model值，改变cell状态
+- (void)pickedArrayChangeWithModel:(SJPhotoModel *)model {
+
+    NSIndexPath *changedIndexP =[NSIndexPath indexPathForItem:model.inAlbumIndex inSection:0];
+    SJPickPhotoCell *changedCell = (SJPickPhotoCell *)[self.collectionView cellForItemAtIndexPath:changedIndexP];
+    [self changeCell:changedCell WithModel:model];
+}
+
+
+
+- (void)changeCell:(SJPickPhotoCell *)changedCell WithModel:(SJPhotoModel *)changedModel {
+
+    if (changedModel.isPicked) {
+        
+        [changedCell modelChangePickedIndex:self.pickedArray.count + 1];
+        [self.pickedArray addObject:changedModel];
+        
+    }
+    else {
+        
+        [self.pickedArray removeObject:changedModel];
+        
+        // 更新剩下选择的图片
+        for (int i = 0; i < self.pickedArray.count; i ++) {
+            
+            SJPhotoModel *otherPickedModel = self.pickedArray[i];
+            
+            if (otherPickedModel.pickedIndex > changedModel.pickedIndex) {
+                
+                otherPickedModel.pickedIndex -= 1;
+                
+                NSIndexPath *indexP =[NSIndexPath indexPathForItem:otherPickedModel.inAlbumIndex inSection:0];
+                SJPickPhotoCell *otherCell = (SJPickPhotoCell *)[self.collectionView cellForItemAtIndexPath:indexP];
+                
+                [otherCell modelChangePickedIndex:otherPickedModel.pickedIndex];
+                
+            }
+        }
+        // 更新 取消选择的图片
+        [changedCell modelChangePickedIndex:0];
+    }
+    
+    // 更改工具栏状态信息
+    [self.toolBar changePickedIndex:self.pickedArray.count];
+}
+
+
+@end