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1. 新增 CMHTableViewController 和 CMHCollectionViewController 使用的示例程序
1. 新增 CMHTableViewController 使用的示例程序 2. 新增 CMHCollectionViewController 使用的示例程序 3. 增加了一个左对齐布局 以及 瀑布流的布局 第三方框架
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‎MHDevelopExample/.DS_Store

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‎MHDevelopExample/MHDevelopExample.xcodeproj/project.pbxproj

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‎MHDevelopExample/MHDevelopExample/AppDelegate.m

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[self.window makeKeyAndVisible];
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#if defined(DEBUG)||defined(_DEBUG)
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// [self _configDebugModelTools];
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#endif
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/// 配置键盘
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[self _configureKeyboardManager];
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// 配置YYWebImage
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[self _configureYYWebImage];
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}
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/// 配置键盘管理器
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IQKeyboardManager.sharedManager.shouldResignOnTouchOutside = YES;
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}
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/// 配置YYWebImage
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- (void)_configureYYWebImage {
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/// CoderMikeHe Fixed Bug : 解决 SDWebImage & YYWebImage 加载不出http://img3.imgtn.bdimg.com/it/u=965183317,1784857244&fm=27&gp=0.jpg的BUG
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NSMutableDictionary *header = [YYWebImageManager sharedManager].headers.mutableCopy;
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header[@"User-Agent"] = @"iPhone";
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[YYWebImageManager sharedManager].headers = header;
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}
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#pragma mark - 调试(DEBUG)模式
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- (void)_configDebugModelTools{
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//
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// CMHCollectionViewCell.h
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// MHDevelopExample
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//
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// Created by lx on 2018年6月11日.
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// Copyright © 2018年 CoderMikeHe. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface CMHCollectionViewCell : UICollectionViewCell
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@end
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//
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// CMHCollectionViewCell.m
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// MHDevelopExample
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//
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// Created by lx on 2018年6月11日.
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// Copyright © 2018年 CoderMikeHe. All rights reserved.
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//
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#import "CMHCollectionViewCell.h"
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@implementation CMHCollectionViewCell
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@end
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//
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// CMHCollectionViewController.h
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// MHDevelopExample
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//
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// Created by lx on 2018年6月11日.
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// Copyright © 2018年 CoderMikeHe. All rights reserved.
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// CMHCollectionViewController 跟 CMHTableViewViewController 使用类似
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#import "CMHViewController.h"
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@interface CMHCollectionViewController : CMHViewController<UICollectionViewDataSource,UICollectionViewDelegate,UICollectionViewDelegateFlowLayout>
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/// The table view for collectionView controller.
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/// tableView
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@property (nonatomic, readonly, weak) UICollectionView *collectionView;
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/// collectionView 的布局,默认是 `UICollectionViewFlowLayout`
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@property (nonatomic, readwrite, strong) UICollectionViewLayout *collectionViewLayout;
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/// The data source of table view
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@property (nonatomic, readonly, strong) NSMutableArray *dataSource;
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/// `collectionView` 的内容缩进,default is UIEdgeInsetsMake(64,0,0,0),you can override it
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@property (nonatomic, readonly, assign) UIEdgeInsets contentInset;
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// 滚动方向 default is UICollectionViewScrollDirectionVertical
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@property (nonatomic, readwrite, assign) UICollectionViewScrollDirection scrollDirection;
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/// 需要支持下来刷新 defalut is NO
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@property (nonatomic, readwrite, assign) BOOL shouldPullDownToRefresh;
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/// 是否默认开启自动刷新, YES : 系统会自动调用`collectionViewDidTriggerHeaderRefresh` NO : 开发人员手动调用 `collectionViewDidTriggerHeaderRefresh`
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@property (nonatomic, readwrite, assign) BOOL shouldBeginRefreshing;
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/// 需要支持上拉加载 defalut is NO
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@property (nonatomic, readwrite, assign) BOOL shouldPullUpToLoadMore;
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/// 是否数据是多段 (It's effect collectionView's dataSource 'numberOfSectionsInTableView:') defalut is NO
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@property (nonatomic, readwrite, assign) BOOL shouldMultiSections;
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/// 是否在上拉加载后的数据,dataSource.count < pageSize 提示没有更多的数据.default is YES 默认做法是数据不够时,隐藏mj_footer
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@property (nonatomic, readwrite, assign) BOOL shouldEndRefreshingWithNoMoreData;
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/// 当前页 defalut is 1
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@property (nonatomic, readwrite, assign) NSUInteger page;
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/// 每一页的数据 defalut is 20
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@property (nonatomic, readwrite, assign) NSUInteger perPage;
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/// sub class can override 且 不需要调用 [super ....]
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/// reload tableView data , sub class can override
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- (void)reloadData;
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/// equeueReusableCell
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView dequeueReusableCellWithIdentifier:(NSString *)identifier forIndexPath:(NSIndexPath *)indexPath;
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/// configure cell data
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- (void)configureCell:(UICollectionViewCell *)cell atIndexPath:(NSIndexPath *)indexPath withObject:(id)object;
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/// 下拉刷新事件
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- (void)collectionViewDidTriggerHeaderRefresh;
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/// 上拉加载事件
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- (void)collectionViewDidTriggerFooterRefresh;
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///brief 加载结束 这个方法 子类只需要在 `collectionViewDidTriggerHeaderRefresh`和`collectionViewDidTriggerFooterRefresh` 结束刷新状态的时候直接调用即可,不需要重写,当然如果不喜欢内部的处理逻辑,你直接重写即可
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///discussion 加载结束后,通过参数reload来判断是否需要调用collectionView的reloadData,判断isHeader来停止加载
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///param isHeader 是否结束下拉加载(或者上拉加载)
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///param reload 是否需要重载TabeleView
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///
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- (void)collectionViewDidFinishTriggerHeader:(BOOL)isHeader reload:(BOOL)reload;
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@end
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//
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// CMHCollectionViewController.m
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// MHDevelopExample
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//
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// Created by lx on 2018年6月11日.
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// Copyright © 2018年 CoderMikeHe. All rights reserved.
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//
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#import "CMHCollectionViewController.h"
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@interface CMHCollectionViewController ()
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/// collectionView
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@property (nonatomic , readwrite , weak) UICollectionView *collectionView;
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/// contentInset defaul is (64 , 0 , 0 , 0)
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@property (nonatomic, readwrite, assign) UIEdgeInsets contentInset;
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/// 数据源
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@property (nonatomic, readwrite, strong) NSMutableArray *dataSource;
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@end
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@implementation CMHCollectionViewController
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- (void)dealloc{
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// set nil
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_collectionView.dataSource = nil;
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_collectionView.delegate = nil;
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}
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- (instancetype)init{
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if (self = [super init]) {
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_scrollDirection = UICollectionViewScrollDirectionVertical;
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_shouldBeginRefreshing = YES;
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_page = 1;
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_perPage = 20;
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_shouldEndRefreshingWithNoMoreData = YES;
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}
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return self;
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}
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- (void)viewDidLoad{
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[super viewDidLoad];
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// 设置子控件
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[self _su_setupSubViews];
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}
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#pragma mark - Override
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- (void)configure
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{
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[super configure];
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/// observe viewModel's dataSource
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}
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#pragma mark - 设置子控件
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/// setup add `_su_` avoid sub class override it
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- (void)_su_setupSubViews{
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/// UICollectionViewFlowLayout + UICollectionView
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if (self.collectionViewLayout == nil) {
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UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
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flowLayout.scrollDirection = self.scrollDirection;
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self.collectionViewLayout = flowLayout;
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}
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/// CollectionView
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UICollectionView *collectionView = [[UICollectionView alloc] initWithFrame:[UIScreen mainScreen].bounds collectionViewLayout:self.collectionViewLayout];
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collectionView.backgroundColor = [UIColor whiteColor];
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collectionView.delegate = self;
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collectionView.dataSource = self;
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self.collectionView = collectionView;
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[self.view addSubview:collectionView];
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/// 设置显示区域
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collectionView.contentInset = self.contentInset;
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/// 注册cell
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[collectionView registerClass:UICollectionViewCell.class forCellWithReuseIdentifier:@"UICollectionViewCell"];
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/// 添加加载和刷新控件
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if (self.shouldPullDownToRefresh) {
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/// 下拉刷新
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@weakify(self);
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[self.collectionView mh_addHeaderRefresh:^(MJRefreshHeader *header) {
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/// 加载下拉刷新的数据
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@strongify(self);
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[self collectionViewDidTriggerHeaderRefresh];
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}];
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if (self.shouldBeginRefreshing) {
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[self.collectionView.mj_header beginRefreshing];
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}
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}
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if (self.shouldPullUpToLoadMore) {
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/// 上拉加载
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@weakify(self);
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[self.collectionView mh_addFooterRefresh:^(MJRefreshFooter *footer) {
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/// 加载上拉刷新的数据
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@strongify(self);
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[self collectionViewDidTriggerFooterRefresh];
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}];
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/// CoderMikeHe Fixed Bug : 这里先隐藏,防止一进来用户看到上拉加载控件,影响美观
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self.collectionView.mj_footer.hidden = YES;
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}
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#ifdef __IPHONE_11_0
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/// CoderMikeHe: 适配 iPhone X + iOS 11,
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MHAdjustsScrollViewInsets_Never(collectionView);
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#endif
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}
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#pragma mark - 上下拉刷新事件
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/// 下拉事件
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- (void)collectionViewDidTriggerHeaderRefresh{
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/// subclass override it
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[self collectionViewDidFinishTriggerHeader:YES reload:NO];
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}
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/// 上拉事件
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- (void)collectionViewDidTriggerFooterRefresh{
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/// subclass override it
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[self collectionViewDidFinishTriggerHeader:NO reload:NO];
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}
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/// 结束刷新
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- (void)collectionViewDidFinishTriggerHeader:(BOOL)isHeader reload:(BOOL)reload{
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__weak typeof(self) weakSelf = self;
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dispatch_async(dispatch_get_main_queue(), ^{
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__strong typeof(weakSelf) strongSelf = weakSelf;
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if (reload) {
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[strongSelf.collectionView reloadData];
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}
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if (isHeader) {
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/// 重置没有更多的状态
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if (self.shouldEndRefreshingWithNoMoreData){
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[self.collectionView.mj_footer setHidden:NO];
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[self.collectionView.mj_footer resetNoMoreData];
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}else{
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[self.collectionView.mj_footer setHidden:NO];
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}
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[strongSelf.collectionView.mj_header endRefreshing];
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}
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else{
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[strongSelf.collectionView.mj_footer endRefreshing];
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}
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/// 这里可以用来显示隐藏 mj_footer
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[self _requestDataCompleted];
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});
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}
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- (void)_requestDataCompleted{
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NSUInteger count = self.dataSource.count;
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/// CoderMikeHe Fixed: 这里必须要等到,底部控件结束刷新后,再来设置无更多数据,否则被叠加无效
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if (self.shouldMultiSections) return; // 多组的不处理
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if (count == 0 || count % self.perPage) {
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if (self.shouldEndRefreshingWithNoMoreData) {
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[self.collectionView.mj_footer endRefreshingWithNoMoreData];
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}else{
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self.collectionView.mj_footer.hidden = YES;
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}
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}
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}
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#pragma mark - sub class can override it
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- (UIEdgeInsets)contentInset{
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return UIEdgeInsetsMake(MH_APPLICATION_TOP_BAR_HEIGHT, 0, 0, 0);
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}
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/// reload tableView data
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- (void)reloadData{
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[self.collectionView reloadData];
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}
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/// dequeueReusable Cell
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView dequeueReusableCellWithIdentifier:(NSString *)identifier forIndexPath:(NSIndexPath *)indexPath {
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return [collectionView dequeueReusableCellWithReuseIdentifier:identifier forIndexPath:indexPath];
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}
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/// configure cell data
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- (void)configureCell:(UICollectionViewCell *)cell atIndexPath:(NSIndexPath *)indexPath withObject:(id)object {}
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#pragma mark - UICollectionViewDataSource&UICollectionViewDelegate
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- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
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if (self.shouldMultiSections) return self.dataSource ? self.dataSource.count : 0;
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return 1;
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}
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
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if (self.shouldMultiSections) {
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NSArray *subDataSource = self.dataSource[section];
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return subDataSource.count;
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}
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return self.dataSource.count;
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}
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
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UICollectionViewCell *cell = [self collectionView:collectionView dequeueReusableCellWithIdentifier:@"UICollectionViewCell" forIndexPath:indexPath];
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// fetch object
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id object = nil;
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if (self.shouldMultiSections) object = self.dataSource[indexPath.section][indexPath.item];
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if (!self.shouldMultiSections) object = self.dataSource[indexPath.item];
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/// bind model
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[self configureCell:cell atIndexPath:indexPath withObject:(id)object];
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return cell;
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}
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- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
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[collectionView deselectItemAtIndexPath:indexPath animated:YES];
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}
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#pragma mark - Setter & Getter
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- (NSMutableArray *)dataSource{
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if (_dataSource == nil) {
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_dataSource = [[NSMutableArray alloc] init];
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}
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return _dataSource ;
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}
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- (void)setShouldPullDownToRefresh:(BOOL)shouldPullDownToRefresh{
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if (_shouldPullDownToRefresh != shouldPullDownToRefresh) {
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_shouldPullDownToRefresh = shouldPullDownToRefresh;
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if (_shouldPullDownToRefresh) {
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@weakify(self);
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[self.collectionView cmh_addHeaderRefresh:^(MJRefreshHeader *header) {
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/// 加载下拉刷新的数据
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@strongify(self);
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[self collectionViewDidTriggerHeaderRefresh];
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}];
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}else{
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self.collectionView.mj_header = nil;
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}
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}
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}
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- (void)setShouldPullUpToLoadMore:(BOOL)shouldPullUpToLoadMore{
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if (_shouldPullUpToLoadMore != shouldPullUpToLoadMore) {
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_shouldPullUpToLoadMore = shouldPullUpToLoadMore;
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if (_shouldPullUpToLoadMore) {
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/// 上拉加载
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@weakify(self);
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[self.collectionView cmh_addFooterRefresh:^(MJRefreshFooter *footer) {
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/// 加载上拉刷新的数据
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@strongify(self);
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[self collectionViewDidTriggerFooterRefresh];
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}];
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}else{
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self.collectionView.mj_footer = nil;
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}
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}
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}
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@end

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