新浪微博客户端(25)-添加转发微博

DJStatusCell.m

/* 转发微博部分 */

/** 转发微博整体 */
@property (nonatomic,weak) UIView *retweetView;
/** 转发微博内容 */
@property (nonatomic,weak) UILabel *retweetContentLabel;
/** 转发微博图片 */
@property (nonatomic,weak) UIImageView *retweetPhotoView;

#pragma mark - 转发微博
- (void)setupRetweetView {
    // 转发微博整体
    UIView *retweetView = [[UIView alloc] init];
    [self.contentView addSubview:retweetView];
    self.retweetView = retweetView;
    retweetView.backgroundColor = DJColor(240, 240, 240);
//    retweetView.backgroundColor = [UIColor redColor];
    
    
    // 转发微博内容
    UILabel *retweetContentLabel = [[UILabel alloc] init];
    [retweetView addSubview:retweetContentLabel];
    self.retweetContentLabel = retweetContentLabel;
    retweetContentLabel.font = DJStatusCellRetweetContentFont;
    retweetContentLabel.numberOfLines = 0; // 允许多行显示
    
    // 转发微博图片
    UIImageView *retweetPhotoView = [[UIImageView alloc] init];
    [retweetView addSubview:retweetPhotoView];
    self.retweetPhotoView = retweetPhotoView;
}

/* 转发微博 */
    DJStatus *retweetedStatus = status.retweeted_status;
    if (retweetedStatus) { // 如果有转发微博
        self.retweetView.hidden = NO;
        DJUser *retwetedUser = retweetedStatus.user;
        
        // 转发微博内容
        self.retweetContentLabel.frame = statusFrame.retweetContentLabelF;
        self.retweetContentLabel.text = [NSString stringWithFormat:@"@%@: %@",retwetedUser.name,retweetedStatus.text];
        
        // 转发微博图片
        if (retweetedStatus.pic_urls.count) { // 如果有微博配图
            self.retweetPhotoView.hidden = NO;
            self.retweetPhotoView.frame = statusFrame.retweetPhotoViewF;
            DJPhoto *retweetPhoto = [retweetedStatus.pic_urls firstObject];
            [self.retweetPhotoView sd_setImageWithURL:[NSURL URLWithString:retweetPhoto.thumbnail_pic] placeholderImage:[UIImage imageNamed:@"timeline_image_placeholder"]];
            
        } else { // 没有微博配图
            self.retweetPhotoView.hidden = YES;
        }
        // 转发微博整体
        self.retweetView.frame = statusFrame.retweetViewF;
        
    } else { // 如果没有转发微博
        self.retweetView.hidden = YES;
    }
    

DJStatusCellFrame.h

/* 转发微博Frame */

/** 转发微博整体 */
@property (nonatomic,assign) CGRect retweetViewF;
/** 转发微博内容 */
@property (nonatomic,assign) CGRect retweetContentLabelF;
/** 转发微博图片 */
@property (nonatomic,assign) CGRect retweetPhotoViewF;

DJStatusCellFrame.m

/* 转发微博Frame */
    
    DJStatus *retweetedStatus = status.retweeted_status;
    
    if (retweetedStatus) { // 有转发微博
        DJUser *retweetedStatusUser = retweetedStatus.user;
        
        // 转发微博内容
        CGFloat retweetContentX = DJStatusCellMargin;
        CGFloat retweetContentY = DJStatusCellMargin;
        
        NSString *newContent = [NSString stringWithFormat:@"@%@: %@",retweetedStatusUser.name,retweetedStatus.text];
        CGSize retweetContentSize = [newContent sizeWithFont:DJStatusCellRetweetContentFont maxW:contentMaxW];
        self.retweetContentLabelF = (CGRect){{retweetContentX,retweetContentY},retweetContentSize};

        CGFloat retweetH;
        
        // 转发微博图片
        if (retweetedStatus.pic_urls.count) { // 有转发微博图片
            CGFloat retweetPhotoX = retweetContentX;
            CGFloat retweetPhotoY = CGRectGetMaxY(self.retweetContentLabelF) + DJStatusCellMargin;
            CGFloat retweetPhotoWH = 100;
            self.retweetPhotoViewF = CGRectMake(retweetPhotoX, retweetPhotoY, retweetPhotoWH, retweetPhotoWH);
            retweetH = CGRectGetMaxY(self.retweetPhotoViewF) + DJStatusCellMargin;
        } else { // 无转发微博图片
            retweetH = CGRectGetMaxY(self.retweetContentLabelF) + DJStatusCellMargin;
        }
        
        // 转发微博整体
        CGFloat retweetX = 0;
        CGFloat retweetY = CGRectGetMaxY(self.originalViewF);
        CGFloat retweetW = cellW;
        self.retweetViewF = CGRectMake(retweetX, retweetY, retweetW, retweetH);
        
        self.cellHeight = CGRectGetMaxY(self.retweetViewF);
    } else { // 无转发微博
        self.cellHeight = CGRectGetMaxY(self.originalViewF);
    }

最终效果：