| commit | author | age | ||
| 892936 | 1 | // 代码地址: https://github.com/CoderMJLee/MJRefresh |
| H | 2 | // 代码地址: http://code4app.com/ios/%E5%BF%AB%E9%80%9F%E9%9B%86%E6%88%90%E4%B8%8B%E6%8B%89%E4%B8%8A%E6%8B%89%E5%88%B7%E6%96%B0/52326ce26803fabc46000000 |
| 3 | // MJRefreshComponent.h | |
| 4 | // MJRefreshExample | |
| 5 | // | |
| 6 | // Created by MJ Lee on 15/3/4. | |
| 7 | // Copyright (c) 2015年 小码哥. All rights reserved. | |
| 8 | // 刷新控件的基类 | |
| 9 | ||
| 10 | #import <UIKit/UIKit.h> | |
| 11 | #import "MJRefreshConst.h" | |
| 12 | #import "UIView+MJExtension.h" | |
| 13 | #import "UIScrollView+MJExtension.h" | |
| 14 | #import "UIScrollView+MJRefresh.h" | |
| 15 | ||
| 16 | /** 刷新控件的状态 */ | |
| 17 | typedef enum { | |
| 18 | /** 普通闲置状态 */ | |
| 19 | MJRefreshStateIdle = 1, | |
| 20 | /** 松开就可以进行刷新的状态 */ | |
| 21 | MJRefreshStatePulling, | |
| 22 | /** 正在刷新中的状态 */ | |
| 23 | MJRefreshStateRefreshing, | |
| 24 | /** 即将刷新的状态 */ | |
| 25 | MJRefreshStateWillRefresh, | |
| 26 | /** 所有数据加载完毕，没有更多的数据了 */ | |
| 27 | MJRefreshStateNoMoreData | |
| 28 | } MJRefreshState; | |
| 29 | ||
| 30 | /** 进入刷新状态的回调 */ | |
| 31 | typedef void (^MJRefreshComponentRefreshingBlock)(); | |
| 32 | ||
| 33 | /** 刷新控件的基类 */ | |
| 34 | @interface MJRefreshComponent : UIView | |
| 35 | { | |
| 36 | /** 记录scrollView刚开始的inset */ | |
| 37 | UIEdgeInsets _scrollViewOriginalInset; | |
| 38 | /** 父控件 */ | |
| 39 | __weak UIScrollView *_scrollView; | |
| 40 | } | |
| 41 | #pragma mark - 刷新回调 | |
| 42 | /** 正在刷新的回调 */ | |
| 43 | @property (copy, nonatomic) MJRefreshComponentRefreshingBlock refreshingBlock; | |
| 44 | /** 设置回调对象和回调方法 */ | |
| 45 | - (void)setRefreshingTarget:(id)target refreshingAction:(SEL)action; | |
| 46 | /** 回调对象 */ | |
| 47 | @property (weak, nonatomic) id refreshingTarget; | |
| 48 | /** 回调方法 */ | |
| 49 | @property (assign, nonatomic) SEL refreshingAction; | |
| 50 | /** 触发回调（交给子类去调用） */ | |
| 51 | - (void)executeRefreshingCallback; | |
| 52 | ||
| 53 | #pragma mark - 刷新状态控制 | |
| 54 | /** 进入刷新状态 */ | |
| 55 | - (void)beginRefreshing; | |
| 56 | /** 结束刷新状态 */ | |
| 57 | - (void)endRefreshing; | |
| 58 | /** 是否正在刷新 */ | |
| 59 | - (BOOL)isRefreshing; | |
| 60 | /** 刷新状态 一般交给子类内部实现 */ | |
| 61 | @property (assign, nonatomic) MJRefreshState state; | |
| 62 | ||
| 63 | #pragma mark - 交给子类去访问 | |
| 64 | /** 记录scrollView刚开始的inset */ | |
| 65 | @property (assign, nonatomic, readonly) UIEdgeInsets scrollViewOriginalInset; | |
| 66 | /** 父控件 */ | |
| 67 | @property (weak, nonatomic, readonly) UIScrollView *scrollView; | |
| 68 | ||
| 69 | #pragma mark - 交给子类们去实现 | |
| 70 | /** 初始化 */ | |
| 71 | - (void)prepare NS_REQUIRES_SUPER; | |
| 72 | /** 摆放子控件frame */ | |
| 73 | - (void)placeSubviews NS_REQUIRES_SUPER; | |
| 74 | /** 当scrollView的contentOffset发生改变的时候调用 */ | |
| 75 | - (void)scrollViewContentOffsetDidChange:(NSDictionary *)change NS_REQUIRES_SUPER; | |
| 76 | /** 当scrollView的contentSize发生改变的时候调用 */ | |
| 77 | - (void)scrollViewContentSizeDidChange:(NSDictionary *)change NS_REQUIRES_SUPER; | |
| 78 | /** 当scrollView的拖拽状态发生改变的时候调用 */ | |
| 79 | - (void)scrollViewPanStateDidChange:(NSDictionary *)change NS_REQUIRES_SUPER; | |
| 80 | ||
| 81 | ||
| 82 | #pragma mark - 其他 | |
| 83 | /** 拉拽的百分比(交给子类重写) */ | |
| 84 | @property (assign, nonatomic) CGFloat pullingPercent; | |
| 85 | /** 根据拖拽比例自动切换透明度 */ | |
| 86 | @property (assign, nonatomic, getter=isAutoChangeAlpha) BOOL autoChangeAlpha MJRefreshDeprecated("请使用automaticallyChangeAlpha属性"); | |
| 87 | /** 根据拖拽比例自动切换透明度 */ | |
| 88 | @property (assign, nonatomic, getter=isAutomaticallyChangeAlpha) BOOL automaticallyChangeAlpha; | |
| 89 | @end | |
| 90 | ||
| 91 | @interface UILabel(MJRefresh) | |
| 92 | + (instancetype)label; | |
| 93 | @end | |
