edu-saas-ios/MusicGradeExam/MusicGradeExam/UI/Login/View/FSBodyView.m

//
//  FSBodyView.m
//  MusicGradeExam
//
//  Created by Kyle on 2020/7/14.
//  Copyright © 2020 DayaMusic. All rights reserved.
//

#import "FSBodyView.h"

@interface FSBodyView ()<UITextFieldDelegate>

@property (weak, nonatomic) IBOutlet UITextField *nameField;

@property (weak, nonatomic) IBOutlet UITextField *passwordField;

@property (weak, nonatomic) IBOutlet UITextField *sPasswordField;

@property (weak, nonatomic) IBOutlet UIView *bgView;

@property (nonatomic, strong) CAGradientLayer *gradientLayer;

@property (nonatomic, copy) SettingCallback callback;

@property (weak, nonatomic) IBOutlet UIButton *enterButton;

@end

@implementation FSBodyView

- (void)awakeFromNib {
    [super awakeFromNib];
    
    self.nameField.tintColor = self.nameField.textColor;
    self.nameField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"请输入用户名或学生报名姓名" attributes:@{NSForegroundColorAttributeName:HexRGBAlpha(0xffffff, 0.73), NSFontAttributeName:[UIFont systemFontOfSize:18.0]}];
    
    self.passwordField.delegate = self;
    self.passwordField.tintColor = self.passwordField.textColor;
    self.passwordField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"请输入登录密码" attributes:@{NSForegroundColorAttributeName:HexRGBAlpha(0xffffff, 0.73), NSFontAttributeName:[UIFont systemFontOfSize:18.0]}];
    
    self.sPasswordField.delegate = self;
    self.sPasswordField.tintColor = self.sPasswordField.textColor;
    self.sPasswordField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"请再次输入登录密码" attributes:@{NSForegroundColorAttributeName:HexRGB(0xffffff), NSFontAttributeName:[UIFont systemFontOfSize:18.0]}];
    
    if (@available(iOS 10.0, *)) {
        _passwordField.textContentType = UITextContentTypeName;
        _sPasswordField.textContentType = UITextContentTypeName;
    }
    [self.bgView.layer addSublayer:self.gradientLayer];
    self.bgView.layer.masksToBounds = YES;
}
+ (instancetype)shareInstance {
    FSBodyView *view = [[[NSBundle mainBundle] loadNibNamed:@"FSBodyView" owner:nil options:nil] firstObject];
    return view;
}

- (void)settingCallback:(SettingCallback)callback {
    if (callback) {
        self.callback = callback;
    }
}
- (IBAction)backAction:(id)sender {
    [self endEditing:YES];
    if (self.callback) {
        self.callback(@{});
    }
    
}


- (IBAction)sureAction:(id)sender {
    [self endEditing:YES];

    if ([NSString isEmptyString:self.passwordField.text]) {
        [self MBPShow:@"请设置密码"];
        return;
    }
    if (self.passwordField.text.length < 6 || self.passwordField.text.length > 20) {
        [self MBPShow:@"密码为6-20位数字/字母"];
        return;
    }
    if (![self.passwordField.text isEqualToString:self.sPasswordField.text]) {
        [self MBPShow:@"两次输入密码不一致"];
        return;
    }
    if (self.callback) {
        self.callback(@{@"username" : self.nameField.text, @"password" : self.passwordField.text});
    }
}

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    if ([string isEqualToString:@"\n"]) {
        [self endEditing:YES];
        return YES;
    }
    if ([string isEqualToString:@""]) {
        return YES;
    }
    return YES;
}

- (void)textFieldDidEndEditing:(UITextField *)textField {
    // 判断
    [self checkEnterButtonStatus];
}

- (void)checkEnterButtonStatus {
    if (![NSString isEmptyString:_passwordField.text] &&![NSString isEmptyString:_sPasswordField.text]) {
        self.enterButton.userInteractionEnabled = YES;
        [self.enterButton setBackgroundImage:[UIImage imageNamed:@"login_enter"] forState:UIControlStateNormal];
        
    }
    else {
        self.enterButton.userInteractionEnabled = NO;
        [self.enterButton setBackgroundImage:[UIImage imageNamed:@"login_unable"] forState:UIControlStateNormal];
    }
}

- (void)layoutSubviews {
    [super layoutSubviews];
    //在这里获取frame
    _gradientLayer.frame = CGRectMake(0, 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame));
}

- (CAGradientLayer *)gradientLayer {
    if (!_gradientLayer) {
        _gradientLayer = [CAGradientLayer layer];
        _gradientLayer.startPoint = CGPointMake(0, 0.99);
        _gradientLayer.endPoint = CGPointMake(0, 0);
        _gradientLayer.locations = @[@(0),@(1.0)];//渐变点
        UIColor *startColor = HexRGB(0x26d9c2);
        UIColor *endColor = HexRGB(0x31b29a);
        [_gradientLayer setColors:@[(id)(startColor.CGColor),(id)(endColor.CGColor)]];//渐变数组
    }
    return _gradientLayer;
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end