yinmeng-ios/xplan-ios/Main/Login/View/CustomView/LoginInputView.m

//
//  LoginInputView.m
//  xplan-ios
//
//  Created by 冯硕 on 2021/9/8.
//

#import "LoginInputView.h"
///第三方
#import <Masonry/Masonry.h>
///工具类
#import "ThemeColor.h"


@interface LoginInputView () <UITextFieldDelegate>
///容器
@property (nonatomic,strong) UIStackView *stackView;
///显示文本
@property (nonatomic,strong) UILabel *titleLabel;
///输入框
@property (nonatomic,strong) UITextField *textField;
@end

@implementation LoginInputView

- (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.titleLabel];
	[self.stackView addArrangedSubview:self.textField];
}

- (void)initSubViewConstraints {
	[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
		make.width.mas_equalTo(50);
	}];
	
	[self.stackView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.mas_equalTo(self).offset(15);
		make.right.top.bottom.mas_equalTo(self);
	}];
}

#pragma mark - Getters And Setters
- (void)setPlaceHolder:(NSString *)placeHolder {
	_placeHolder = placeHolder;
	if (_placeHolder) {
		self.textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:_placeHolder attributes:@{NSForegroundColorAttributeName: [ThemeColor secondTextColor], NSFontAttributeName:[UIFont systemFontOfSize:14]}];
	}
}

- (void)setTitle:(NSString *)title {
	_title = title;
	if (_title) {
		self.titleLabel.text = _title;
	}
}

- (UIStackView *)stackView {
	if (!_stackView) {
		_stackView = [[UIStackView alloc] init];
		_stackView.axis = UILayoutConstraintAxisHorizontal;
		_stackView.distribution = UIStackViewDistributionFill;
		_stackView.alignment = UIStackViewAlignmentFill;
		_stackView.spacing = 0;
	}
	return _stackView;
}

- (UILabel *)titleLabel {
	if (!_titleLabel) {
		_titleLabel = [[UILabel alloc] init];
		_titleLabel.font = [UIFont systemFontOfSize:18];
		_titleLabel.textColor = [ThemeColor mainTextColor];
		_titleLabel.text = @"+86";
	}
	return _titleLabel;
}


- (UITextField *)textField {
	if (!_textField) {
		_textField = [[UITextField alloc] init];
		_textField.textColor = [ThemeColor mainTextColor];
		_textField.font = [UIFont systemFontOfSize:18.f];
		_textField.borderStyle = UITextBorderStyleNone;
		_textField.keyboardType = UIKeyboardTypeNumberPad;
		_textField.tintColor = [ThemeColor appMainColor];
		_textField.backgroundColor = [UIColor clearColor];
        _textField.delegate = self;
	}
	return _textField;
}

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    return textField.text.length <= self.maxLength;
}

- (void)textFieldDidChangeSelection:(UITextField *)textField {
    textField.text = [textField.text substringToIndex:MIN(textField.text.length, self.maxLength)];
}

@end