add

2018-09-23 01:30:29 +08:00
parent db1740e72b
commit 3508cab25e
80 changed files with 3687 additions and 127 deletions
@@ -0,0 +1,215 @@
+//
+//  SJPreviewPhotoController.m
+//  SJPhotoPickerDemo
+//
+//  Created by Jaesun on 16/8/19.
+//  Copyright © 2016年 S.J. All rights reserved.
+//
+
+#import "SJPreviewPhotoController.h"
+
+#import <Photos/Photos.h>
+
+#import "SJPhotoPickerNavBar.h"
+#import "SJPhotoPickerToolBar.h"
+#import "SJPreviewPhotoCell.h"
+
+#import "SJPhotoPicker.h"
+
+@interface SJPreviewPhotoController ()<UICollectionViewDelegate,UICollectionViewDataSource,SJPhotoPickerNavBarDelegate>
+
+@property (nonatomic, strong) UICollectionView *collectionView;
+@property (nonatomic, strong) SJPhotoPickerToolBar *toolBar;
+@property (nonatomic, strong) SJPhotoPickerNavBar *navBar;
+
+@property (nonatomic, strong) UIView *backView;
+@property (nonatomic, strong) NSMutableArray *pickedArray;
+@property (nonatomic, strong) SJPhotoModel *operatingModel;
+
+@end
+
+static NSString *ID_SJPreviewPhotoCell = @"sJPreviewPhotoCell";
+
+
+@implementation SJPreviewPhotoController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    [self setupDatas];
+    [self setupViews];
+
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+
+    [self.navigationController setNavigationBarHidden:YES animated:NO];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [self.navigationController setNavigationBarHidden:NO animated:NO];
+}
+
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+}
+
+#pragma mark 数据初始化
+- (void)setupDatas {
+  
+    self.pickedArray = [NSMutableArray array];
+    
+    for (SJPhotoModel *model in self.previewArray) {
+        if (model.isPicked) {
+            [self.pickedArray addObject:model];
+        }
+    }
+    [self.collectionView reloadData];
+}
+
+#pragma mark 视图初始化
+- (void)setupViews {
+    
+    // collectionView
+    {
+        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
+        layout.minimumLineSpacing = 0.0f;
+        layout.minimumInteritemSpacing = 0.0f;
+        layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
+        
+        self.collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, -64, SCREEN_W, SCREEN_H + 64) collectionViewLayout:layout];
+        self.collectionView.pagingEnabled = YES;
+        self.collectionView.showsHorizontalScrollIndicator = NO;
+        self.collectionView.delegate = self;
+        self.collectionView.dataSource = self;
+        [self.collectionView registerClass:[SJPreviewPhotoCell class] forCellWithReuseIdentifier:ID_SJPreviewPhotoCell];
+        self.collectionView.backgroundColor = [UIColor whiteColor];
+        [self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:self.curIndex inSection:0] atScrollPosition:(UICollectionViewScrollPositionNone) animated:NO];
+        self.operatingModel = [self.previewArray lastObject];
+        [self.view addSubview:self.collectionView];
+    }
+
+    // nav
+    {
+       
+        self.navBar = [[SJPhotoPickerNavBar alloc] init];
+        self.navBar.delegate = self;
+        self.operatingModel = self.previewArray[self.curIndex];
+        
+        if (self.title.length == 0) {
+            self.navBar.leftBtnTitle = @"";
+        }
+        self.navBar.barTitle = [NSString stringWithFormat:@"%lu/%lu",(unsigned long)self.curIndex + 1,(unsigned long)self.previewArray.count];
+        
+        if (self.operatingModel.isPicked) {
+          
+            [self.navBar setRightBtnTitleIndex:self.operatingModel.pickedIndex];
+        }
+        [self.view addSubview:self.navBar];
+ 
+    }
+    
+    // toolBar
+    {
+        self.toolBar = [[SJPhotoPickerToolBar alloc] init];
+        self.toolBar.backgroundColor = [UIColor colorWithRed:220/255.0 green:220/255.0 blue:220/255.0 alpha:0.3];
+        self.toolBar.rightBtn.backgroundColor = NAVBAR_CLOOUR;
+        [self.toolBar.rightBtn setTitleColor:[UIColor whiteColor] forState:(UIControlStateNormal)];
+        
+         self.toolBar.leftBtn.hidden = YES;
+        [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.previewArray.count;
+}
+
+- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    
+    SJPreviewPhotoCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:ID_SJPreviewPhotoCell forIndexPath:indexPath];
+    cell.zoomScale = 1.0;
+    SJPhotoModel *model = self.previewArray[indexPath.item];
+    cell.asset = model.asset;
+    cell.singleTapEvent = ^(){
+        [self.toolBar changeHideState];
+        [self.navBar changeHideState];
+    };
+    return cell;
+}
+
+- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
+    return CGSizeMake(SCREEN_W, SCREEN_H);
+    
+}
+
+- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
+    
+    NSInteger index = (NSInteger)scrollView.contentOffset.x / SCREEN_W;
+    
+    self.operatingModel = self.previewArray[index];
+    
+    self.navBar.barTitle = [NSString stringWithFormat:@"%lu/%lu",index  + 1,(unsigned long)self.previewArray.count];
+    [self.navBar setRightBtnTitleIndex:self.operatingModel.pickedIndex];
+    
+}
+
+#pragma mark- 点击事件
+#pragma mark-
+
+#pragma mark 单选框点击（SJ...NavBarDelegate）
+- (void)rightBtnAction:(UIButton *)sender {
+
+    self.operatingModel.isPicked = !self.operatingModel.isPicked;
+    
+    // 代理传值
+    [self.delegate pickedArrayChangeWithModel:self.operatingModel];
+    
+    if (self.operatingModel.isPicked) {
+        
+        NSInteger pickedIndex = self.pickedArray.count + 1;
+        self.operatingModel.pickedIndex = pickedIndex;
+        [self.pickedArray addObject:self.operatingModel];
+          [self.navBar setRightBtnTitleIndex:pickedIndex];
+    }
+    else {
+        [self.pickedArray removeObject:self.operatingModel];
+       
+        self.operatingModel.pickedIndex = 0;
+        for (int i = 0; i < self.pickedArray.count; i ++) {
+            SJPhotoModel *model = self.pickedArray[i];
+            model.pickedIndex  = i + 1;
+        }
+     [self.navBar setRightBtnTitleIndex:0];
+    }
+}
+
+#pragma mark 确定按钮
+- (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];
+}
+
+
+@end