yinmeng-ios/xplan-ios/Main/Monents/View/SubViews/XPMonentsContentView.m

//
//  XPMonentsContentView.m
//  xplan-ios
//
//  Created by 冯硕 on 2022/5/13.
//

#import "XPMonentsContentView.h"
///Third
#import <Masonry/Masonry.h>
#import <YYText/YYText.h>
///Tool
#import "ThemeColor.h"
#import "XPMonentsLayoutConfig.h"
#import "UIButton+EnlargeTouchArea.h"
///Model
#import "MonentsInfoModel.h"
@interface XPMonentsContentView ()
///容器
@property (nonatomic,strong) UIStackView *stackView;
///显示内容
@property (nonatomic,strong) UILabel *contentLabel;
///折叠的按钮
@property (nonatomic,strong) UIButton *foldButton;
@end


@implementation XPMonentsContentView

- (instancetype)initWithFrame:(CGRect)frame {
	self = [super initWithFrame:frame];
	if (self) {
		[self initSubViews];
		[self initSubViewConstraints];
	}
	return self;
}

#pragma mark - Private Method
- (void)initSubViews {
	[self addSubview:self.stackView];
	[self.stackView addArrangedSubview:self.contentLabel];
	[self.stackView addArrangedSubview:self.foldButton];
}

- (void)initSubViewConstraints {
	[self.stackView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.edges.mas_equalTo(self);
	}];
	
	[self.foldButton mas_makeConstraints:^(MASConstraintMaker *make) {
		make.height.mas_equalTo(kMONENTS_FOLD_HEIGHT);
	}];
}

- (NSAttributedString *)createMonentsContentAttribute {
	NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] init];
		if (self.monentsInfo.squareTop ) {//动态/广场
			NSTextAttachment * attachment = [[NSTextAttachment alloc] init];
			attachment.bounds = CGRectMake(0, 0, 10, 12);
			attachment.image = [UIImage imageNamed:@"monents_info_top"];
			NSAttributedString * starAttribute = [NSMutableAttributedString attributedStringWithAttachment:(NSTextAttachment *)attachment];
			[attributedString insertAttributedString:starAttribute atIndex:0];
			//将图片插入到合适的位置
			[attributedString appendAttributedString:[self creatStrAttrByStr:@"置顶 " attributed:@{NSFontAttributeName : [UIFont systemFontOfSize:15], NSForegroundColorAttributeName: UIColorFromRGB(0xE84C46)}]];
		}
	[attributedString appendAttributedString:[self creatStrAttrByStr:self.monentsInfo.content attributed:@{NSFontAttributeName : [UIFont systemFontOfSize:15]}]];
	attributedString.yy_lineSpacing = 5;
	return attributedString;
}

- (NSMutableAttributedString *)creatStrAttrByStr:(NSString *)str attributed:(NSDictionary *)attribute{
	if (str.length == 0 || !str) {
		str = @" ";
	}
	NSMutableAttributedString *attr = [[NSMutableAttributedString alloc] initWithString:str attributes:attribute];
	return attr;
}



#pragma mark - Event Response
- (void)didClickFoldButton:(UIButton *)sender {
	sender.selected = !sender.selected;
	self.monentsInfo.isFold = !sender.selected;
	if (self.delegate && [self.delegate respondsToSelector:@selector(xPMonentsContentView:didClickFold:)]) {
		[self.delegate xPMonentsContentView:self didClickFold:self.monentsInfo];
	}
}

#pragma mark - Getters And Setters
- (void)setMonentsInfo:(MonentsInfoModel *)monentsInfo {
	_monentsInfo = monentsInfo;
	if (_monentsInfo) {
		self.contentLabel.attributedText = [self createMonentsContentAttribute];
		self.foldButton.selected = !_monentsInfo.isFold;
		if (monentsInfo.numberOfText <= 0) {
			YYTextContainer *container = [YYTextContainer new];
			container.size = CGSizeMake(kMONENTS_CONTENT_MAX_WIDTH, CGFLOAT_MAX);
			container.maximumNumberOfRows = 0;
			YYTextLayout * layout = [YYTextLayout layoutWithContainer:container text:self.contentLabel.attributedText];
			if (layout.rowCount > 6) {
				self.foldButton.hidden = NO;
				[self.foldButton mas_remakeConstraints:^(MASConstraintMaker *make) {
					make.height.mas_equalTo(kMONENTS_FOLD_HEIGHT);
				}];
			} else {
				self.foldButton.hidden = YES;
				[self.foldButton mas_remakeConstraints:^(MASConstraintMaker *make) {
					make.height.mas_equalTo(0);
				}];
			}
		} else {
			if (monentsInfo.numberOfText > 6) {
				self.foldButton.hidden = NO;
				[self.foldButton mas_remakeConstraints:^(MASConstraintMaker *make) {
					make.height.mas_equalTo(kMONENTS_FOLD_HEIGHT);
				}];
			} else {
				self.foldButton.hidden = YES;
				[self.foldButton mas_remakeConstraints:^(MASConstraintMaker *make) {
					make.height.mas_equalTo(0);
				}];
			}
		}
	}
}

- (UIStackView *)stackView {
	if (!_stackView) {
		_stackView = [[UIStackView alloc] init];
		_stackView.axis = UILayoutConstraintAxisVertical;
		_stackView.distribution = UIStackViewDistributionFill;
		_stackView.alignment = UIStackViewAlignmentLeading;
	}
	return _stackView;
}

- (UIButton *)foldButton {
	if (_foldButton == nil) {
		_foldButton = [UIButton buttonWithType:UIButtonTypeCustom];
		[_foldButton setTitle:@"展开" forState:UIControlStateNormal];
		[_foldButton setTitle:@"收起" forState:UIControlStateSelected];
		[_foldButton setTitleColor:UIColorFromRGB(0x34A7FF) forState:UIControlStateNormal];
		[_foldButton setTitleColor:UIColorFromRGB(0x34A7FF) forState:UIControlStateSelected];
		_foldButton.titleLabel.font = [UIFont systemFontOfSize:15];
		_foldButton.hidden = YES;
		[_foldButton addTarget:self action:@selector(didClickFoldButton:) forControlEvents:UIControlEventTouchUpInside];
	}
	return _foldButton;
}


- (UILabel *)contentLabel {
	if (!_contentLabel) {
		_contentLabel = [[UILabel alloc] init];
		_contentLabel.numberOfLines = 0;
		_contentLabel.font = [UIFont systemFontOfSize:15];
		_contentLabel.textColor = UIColorRGBAlpha(0x333333, 1);
		_contentLabel.preferredMaxLayoutWidth = kMONENTS_CONTENT_MAX_WIDTH;
		_contentLabel.lineBreakMode = NSLineBreakByCharWrapping;
	}
	return _contentLabel;
}

@end