MJRefreshFooter.m
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// 代码地址: https://github.com/CoderMJLee/MJRefresh
// 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
// MJRefreshFooter.m
// MJRefreshExample
//
// Created by MJ Lee on 15/3/5.
// Copyright (c) 2015年 小码哥. All rights reserved.
//
#import "MJRefreshFooter.h"
#include "UIScrollView+MJRefresh.h"
@interface MJRefreshFooter()
@end
@implementation MJRefreshFooter
#pragma mark - 构造方法
+ (instancetype)footerWithRefreshingBlock:(MJRefreshComponentRefreshingBlock)refreshingBlock
{
MJRefreshFooter *cmp = [[self alloc] init];
cmp.refreshingBlock = refreshingBlock;
return cmp;
}
+ (instancetype)footerWithRefreshingTarget:(id)target refreshingAction:(SEL)action
{
MJRefreshFooter *cmp = [[self alloc] init];
[cmp setRefreshingTarget:target refreshingAction:action];
return cmp;
}
#pragma mark - 重写父类的方法
- (void)prepare
{
[super prepare];
// 设置自己的高度
self.mj_h = MJRefreshFooterHeight;
// 默认不会自动隐藏
self.automaticallyHidden = NO;
}
- (void)willMoveToSuperview:(UIView *)newSuperview
{
[super willMoveToSuperview:newSuperview];
if (newSuperview) {
// 监听scrollView数据的变化
if ([self.scrollView isKindOfClass:[UITableView class]] || [self.scrollView isKindOfClass:[UICollectionView class]]) {
[self.scrollView setMj_reloadDataBlock:^(NSInteger totalDataCount) {
if (self.isAutomaticallyHidden) {
self.hidden = (totalDataCount == 0);
}
}];
}
}
}
#pragma mark - 公共方法
- (void)endRefreshingWithNoMoreData
{
dispatch_async(dispatch_get_main_queue(), ^{
self.state = MJRefreshStateNoMoreData;
});
}
- (void)noticeNoMoreData
{
[self endRefreshingWithNoMoreData];
}
- (void)resetNoMoreData
{
dispatch_async(dispatch_get_main_queue(), ^{
self.state = MJRefreshStateIdle;
});
}
- (void)setAutomaticallyHidden:(BOOL)automaticallyHidden
{
_automaticallyHidden = automaticallyHidden;
}
@end