JSJP_Student/jiaPei/Modules/BaseModule/Common/View/RQCommonHeaderView.m

//
//  RQCommonHeaderView.m
//  RQCommon
//
//  Created by 张嵘 on 2018/11/27.
//  Copyright © 2018 张嵘. All rights reserved.
//

#import "RQCommonHeaderView.h"
#import "RQCommonGroupViewModel.h"

@interface RQCommonHeaderView ()
/// viewModel
@property (nonatomic, readwrite, strong) RQCommonGroupViewModel *viewModel;
/// contentLabel
@property (nonatomic, readwrite, weak) UILabel *contentLabel;
@end

@implementation RQCommonHeaderView
#pragma mark - 公共方法
+ (instancetype)headerViewWithTableView:(UITableView *)tableView{
	static NSString *ID = @"CommonHeader";
	RQCommonHeaderView *header = [tableView dequeueReusableHeaderFooterViewWithIdentifier:ID];
	if (header == nil) {
		// 缓存池中没有, 自己创建
		header = [[self alloc] initWithReuseIdentifier:ID];
	}
	return header;
}

- (void)bindViewModel:(RQCommonGroupViewModel *)viewModel {
    self.viewModel = viewModel;
    if (viewModel.groupModel) {
        if (!RQObjectIsNil(self.viewModel.groupModel.headerBgColor)) {
            self.contentView.backgroundColor = self.viewModel.groupModel.headerBgColor;
            if (self.viewModel.groupModel.headerBgColor == UIColor.clearColor) {
                self.hidden = YES;
            } else {
                self.hidden = NO;
            }
        }
        if (RQStringIsNotEmpty(self.viewModel.groupModel.header)) {
            self.hidden = NO;
            self.contentLabel.text = self.viewModel.groupModel.header;
            if (!RQObjectIsNil(self.viewModel.groupModel.headerFont)) {
                self.contentLabel.font = self.viewModel.groupModel.headerFont;
            }
            if (!RQObjectIsNil(self.viewModel.groupModel.headerLabelColor)) {
                self.contentLabel.textColor = self.viewModel.groupModel.headerLabelColor;
            }
            [self.contentLabel mas_updateConstraints:^(MASConstraintMaker *make) {
                make.size.mas_equalTo(CGSizeMake(RQ_SCREEN_WIDTH - 40, self.viewModel.groupModel.headerHeight));
            }];
        }
    } else {
        self.contentLabel.text = viewModel.header;
    }
}

#pragma mark - 私有方法
- (instancetype)initWithReuseIdentifier:(NSString *)reuseIdentifier
{
	if (self = [super initWithReuseIdentifier:reuseIdentifier]) {
		// 初始化
		[self _setup];
		
		// 创建自控制器
		[self _setupSubViews];
		
		// 布局子控件
		[self _makeSubViewsConstraints];
	}
	return self;
}


#pragma mark - 初始化
- (void)_setup{
	self.contentView.backgroundColor = RQ_LIST_BACKGROUNDCOLOR;
}

#pragma mark - 创建自控制器
- (void)_setupSubViews{
	// label
	UILabel *contentLabel = [[UILabel alloc] init];
	contentLabel.textColor = RQColorFromHexString(@"#888888");
	contentLabel.font = RQRegularFont_14;
	contentLabel.numberOfLines = 0;
	contentLabel.textAlignment = NSTextAlignmentLeft;
	[self.contentView addSubview:contentLabel];
	self.contentLabel = contentLabel;
}



#pragma mark - 布局子控件
- (void)_makeSubViewsConstraints
{
    @weakify(self)
	[self.contentLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        @strongify(self)
        make.left.mas_equalTo(self.contentView).mas_offset(20);
        make.centerY.mas_equalTo(self.contentView);
        make.size.mas_equalTo(CGSizeMake(RQ_SCREEN_WIDTH - 40, self.contentView.height));
	}];
}

@end