//
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// MJRefreshStateHeader.m
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// MJRefreshExample
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//
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// Created by MJ Lee on 15/4/24.
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// Copyright (c) 2015年 小码哥. All rights reserved.
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//
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#import "MJRefreshStateHeader.h"
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@interface MJRefreshStateHeader()
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{
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/** 显示上一次刷新时间的label */
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__weak UILabel *_lastUpdatedTimeLabel;
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/** 显示刷新状态的label */
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__weak UILabel *_stateLabel;
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}
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/** 所有状态对应的文字 */
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@property (strong, nonatomic) NSMutableDictionary *stateTitles;
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@end
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@implementation MJRefreshStateHeader
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#pragma mark - 懒加载
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- (NSMutableDictionary *)stateTitles
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{
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if (!_stateTitles) {
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self.stateTitles = [NSMutableDictionary dictionary];
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}
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return _stateTitles;
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}
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- (UILabel *)stateLabel
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{
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if (!_stateLabel) {
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[self addSubview:_stateLabel = [UILabel label]];
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}
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return _stateLabel;
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}
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- (UILabel *)lastUpdatedTimeLabel
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{
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if (!_lastUpdatedTimeLabel) {
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[self addSubview:_lastUpdatedTimeLabel = [UILabel label]];
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}
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return _lastUpdatedTimeLabel;
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}
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#pragma mark - 公共方法
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- (void)setTitle:(NSString *)title forState:(MJRefreshState)state
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{
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if (title == nil) return;
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self.stateTitles[@(state)] = title;
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self.stateLabel.text = self.stateTitles[@(self.state)];
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}
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#pragma mark key的处理
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- (void)setLastUpdatedTimeKey:(NSString *)lastUpdatedTimeKey
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{
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[super setLastUpdatedTimeKey:lastUpdatedTimeKey];
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NSDate *lastUpdatedTime = [[NSUserDefaults standardUserDefaults] objectForKey:lastUpdatedTimeKey];
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// 如果有block
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if (self.lastUpdatedTimeText) {
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self.lastUpdatedTimeLabel.text = self.lastUpdatedTimeText(lastUpdatedTime);
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return;
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}
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if (lastUpdatedTime) {
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// 1.获得年月日
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NSCalendar *calendar = [NSCalendar currentCalendar];
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NSUInteger unitFlags = NSCalendarUnitYear| NSCalendarUnitMonth | NSCalendarUnitDay |NSCalendarUnitHour |NSCalendarUnitMinute;
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NSDateComponents *cmp1 = [calendar components:unitFlags fromDate:lastUpdatedTime];
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NSDateComponents *cmp2 = [calendar components:unitFlags fromDate:[NSDate date]];
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// 2.格式化日期
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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
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if ([cmp1 day] == [cmp2 day]) { // 今天
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formatter.dateFormat = [NSString stringWithFormat:@"%@ HH:mm",NSLocalizedString(@"message_today", @"今天")];
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} else if ([cmp1 year] == [cmp2 year]) { // 今年
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formatter.dateFormat = @"MM-dd HH:mm";
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} else {
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formatter.dateFormat = @"yyyy-MM-dd HH:mm";
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}
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NSString *time = [formatter stringFromDate:lastUpdatedTime];
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// 3.显示日期
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self.lastUpdatedTimeLabel.text = [NSString stringWithFormat:@"%@%@",NSLocalizedString(@"ui_last_update", @"最后更新："), time];
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} else {
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self.lastUpdatedTimeLabel.text = NSLocalizedString(@"ui_last_update_empty", @"最后更新：无记录");
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}
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}
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#pragma mark - 覆盖父类的方法
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- (void)prepare
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{
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[super prepare];
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// 初始化文字
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[self setTitle:MJRefreshHeaderIdleText forState:MJRefreshStateIdle];
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[self setTitle:MJRefreshHeaderPullingText forState:MJRefreshStatePulling];
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[self setTitle:MJRefreshHeaderRefreshingText forState:MJRefreshStateRefreshing];
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}
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- (void)placeSubviews
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{
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[super placeSubviews];
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if (self.stateLabel.hidden) return;
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if (self.lastUpdatedTimeLabel.hidden) {
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// 状态
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self.stateLabel.frame = self.bounds;
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} else {
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// 状态
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self.stateLabel.mj_x = 0;
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self.stateLabel.mj_y = 0;
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self.stateLabel.mj_w = self.mj_w;
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self.stateLabel.mj_h = self.mj_h * 0.5;
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// 更新时间
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self.lastUpdatedTimeLabel.mj_x = 0;
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self.lastUpdatedTimeLabel.mj_y = self.stateLabel.mj_h;
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self.lastUpdatedTimeLabel.mj_w = self.mj_w;
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self.lastUpdatedTimeLabel.mj_h = self.mj_h - self.lastUpdatedTimeLabel.mj_y;
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}
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}
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- (void)setState:(MJRefreshState)state
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{
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MJRefreshCheckState
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// 设置状态文字
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self.stateLabel.text = self.stateTitles[@(state)];
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// 重新设置key（重新显示时间）
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self.lastUpdatedTimeKey = self.lastUpdatedTimeKey;
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}
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@end
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