2021-02-01 1.更新

JLChen

2021-02-01 7ab063d5c658143b5bce7ca8e5ae9bfc700bb1d8

 Demo/EZOpensdk_iOS_4.15.1_build20201104/Demo/EZOpenSDKDemo/Venders/MJRefresh/MJRefresh/Base/MJRefreshComponent.m

File was renamed from Demo/EZOpensdk_iOS_4.15.1_build20201104/Demo/EZOpenSDKDemo/Venders/MJRefresh/Base/MJRefreshComponent.m
@@ -9,8 +9,6 @@

#import "MJRefreshComponent.h"
#import "MJRefreshConst.h"
#import "UIView+MJExtension.h"
#import "UIScrollView+MJRefresh.h"

@interface MJRefreshComponent()
@property (strong, nonatomic) UIPanGestureRecognizer *pan;
@@ -39,9 +37,9 @@

- (void)layoutSubviews
{
    [super layoutSubviews];
    
    [self placeSubviews];
    
    [super layoutSubviews];
}

- (void)placeSubviews{}
@@ -60,14 +58,14 @@
        // 设置宽度
        self.mj_w = newSuperview.mj_w;
        // 设置位置
        self.mj_x = 0;
        self.mj_x = -_scrollView.mj_insetL;
        
        // 记录UIScrollView
        _scrollView = (UIScrollView *)newSuperview;
        // 设置永远支持垂直弹簧效果
        _scrollView.alwaysBounceVertical = YES;
        // 记录UIScrollView最开始的contentInset
        _scrollViewOriginalInset = _scrollView.contentInset;
        _scrollViewOriginalInset = _scrollView.mj_inset;
        
        // 添加监听
        [self addObservers];
@@ -97,7 +95,7 @@
- (void)removeObservers
{
    [self.superview removeObserver:self forKeyPath:MJRefreshKeyPathContentOffset];
    [self.superview removeObserver:self forKeyPath:MJRefreshKeyPathContentSize];;
    [self.superview removeObserver:self forKeyPath:MJRefreshKeyPathContentSize];
    [self.pan removeObserver:self forKeyPath:MJRefreshKeyPathPanState];
    self.pan = nil;
}
@@ -133,6 +131,16 @@
    self.refreshingAction = action;
}

- (void)setState:(MJRefreshState)state
{
    _state = state;
    
    // 加入主队列的目的是等setState:方法调用完毕、设置完文字后再去布局子控件
    dispatch_async(dispatch_get_main_queue(), ^{
        [self setNeedsLayout];
    });
}

#pragma mark 进入刷新状态
- (void)beginRefreshing
{
@@ -144,16 +152,35 @@
    if (self.window) {
        self.state = MJRefreshStateRefreshing;
    } else {
        self.state = MJRefreshStateWillRefresh;
        // 刷新(预防从另一个控制器回到这个控制器的情况，回来要重新刷新一下)
        [self setNeedsDisplay];
        // 预防正在刷新中时，调用本方法使得header inset回置失败
        if (self.state != MJRefreshStateRefreshing) {
            self.state = MJRefreshStateWillRefresh;
            // 刷新(预防从另一个控制器回到这个控制器的情况，回来要重新刷新一下)
            [self setNeedsDisplay];
        }
    }
}

- (void)beginRefreshingWithCompletionBlock:(void (^)(void))completionBlock
{
    self.beginRefreshingCompletionBlock = completionBlock;
    
    [self beginRefreshing];
}

#pragma mark 结束刷新状态
- (void)endRefreshing
{
    self.state = MJRefreshStateIdle;
    dispatch_async(dispatch_get_main_queue(), ^{
        self.state = MJRefreshStateIdle;
    });
}

- (void)endRefreshingWithCompletionBlock:(void (^)(void))completionBlock
{
    self.endRefreshingCompletionBlock = completionBlock;
    
    [self endRefreshing];
}

#pragma mark 是否正在刷新
@@ -208,12 +235,15 @@
        if ([self.refreshingTarget respondsToSelector:self.refreshingAction]) {
            MJRefreshMsgSend(MJRefreshMsgTarget(self.refreshingTarget), self.refreshingAction, self);
        }
        if (self.beginRefreshingCompletionBlock) {
            self.beginRefreshingCompletionBlock();
        }
    });
}
@end

@implementation UILabel(MJRefresh)
+ (instancetype)label
+ (instancetype)mj_label
{
    UILabel *label = [[self alloc] init];
    label.font = MJRefreshLabelFont;
@@ -223,4 +253,24 @@
    label.backgroundColor = [UIColor clearColor];
    return label;
}
@end

- (CGFloat)mj_textWith {
    CGFloat stringWidth = 0;
    CGSize size = CGSizeMake(MAXFLOAT, MAXFLOAT);
    if (self.text.length > 0) {
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000
        stringWidth =[self.text
                      boundingRectWithSize:size
                      options:NSStringDrawingUsesLineFragmentOrigin
                      attributes:@{NSFontAttributeName:self.font}
                      context:nil].size.width;
#else
        
        stringWidth = [self.text sizeWithFont:self.font
                             constrainedToSize:size
                                 lineBreakMode:NSLineBreakByCharWrapping].width;
#endif
    }
    return stringWidth;
}
@end