Files
yinmeng-ios/xplan-ios/Main/Message/View/Session/Content/MessageContentText.m
2022-08-15 18:53:17 +08:00

82 lines
2.4 KiB
Objective-C

//
// MessageContentText.m
// xplan-ios
//
// Created by zu on 2021/12/2.
//
#import "MessageContentText.h"
#import "ThemeColor.h"
#import "NSObject+MJExtension.h"
#import <NIMSDK/NIMSDK.h>
#import <Masonry/Masonry.h>
#define MESSAGE_TEXT_PADDING 10
@interface MessageContentText()
/**
消息文本
*/
@property (nonatomic, strong) UILabel * messageText;
@end
@implementation MessageContentText
+ (CGFloat)measureHeight:(NIMMessage *)message {
NSString * messageText = message.text;
if (!messageText) {
messageText = @"未知消息类型";
}
CGSize dstRect = CGSizeMake(CONTENT_WIDTH_MAX - MESSAGE_TEXT_PADDING * 2, MAXFLOAT);
CGFloat msgHeight = [messageText boundingRectWithSize:dstRect options:NSStringDrawingUsesLineFragmentOrigin attributes:[MessageContentText messageTextAttibutes] context:nil].size.height;
return msgHeight + MESSAGE_TEXT_PADDING * 2 + CONTENT_PADDING_V_TOTAL;
}
+ (NSDictionary<NSAttributedStringKey, id> *)messageTextAttibutes {
UIFont *font = [UIFont systemFontOfSize:13.f];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
[paragraphStyle setLineSpacing:2.5];
return @{
NSFontAttributeName:font,
NSParagraphStyleAttributeName: paragraphStyle
};
}
- (instancetype)init {
self = [super init];
if (self) {
[self addSubview:self.messageText];
[self.messageText mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self).with.insets(UIEdgeInsetsMake(MESSAGE_TEXT_PADDING, MESSAGE_TEXT_PADDING, MESSAGE_TEXT_PADDING, MESSAGE_TEXT_PADDING));
}];
}
return self;
}
- (void)render:(nonnull NIMMessage *)message {
NSString * messageText = message.text;
if (!messageText || (message.messageType != NIMMessageTypeTip && message.messageType != NIMMessageTypeText)) {
messageText = @"未知消息类型";
}
NSDictionary * dic = message.yidunAntiSpamRes.toJSONObject;
_messageText.attributedText = [[NSAttributedString alloc] initWithString:messageText attributes:[MessageContentText messageTextAttibutes]];
}
- (UILabel *)messageText {
if (!_messageText) {
_messageText = [[UILabel alloc]initWithFrame:CGRectZero];
_messageText.preferredMaxLayoutWidth = CONTENT_WIDTH_MAX - MESSAGE_TEXT_PADDING * 2;
_messageText.textColor = ThemeColor.mainTextColor;
_messageText.numberOfLines = 0;
}
return _messageText;
}
@end