152 lines
4.0 KiB
Objective-C
Executable File
152 lines
4.0 KiB
Objective-C
Executable File
//
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// CodeTextDemo
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//
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// Created by 小侯爷 on 2018/9/20.
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// Copyright © 2018年 小侯爷. All rights reserved.
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//
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#import "HWTFCodeBView.h"
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@interface HWTFCodeBView ()
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@property (nonatomic, assign) NSInteger itemCount;
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@property (nonatomic, assign) CGFloat itemMargin;
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@property (nonatomic, weak) UITextField *textField;
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@property (nonatomic, weak) UIControl *displayMaskView;
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@property (nonatomic, strong) NSMutableArray<UILabel *> *labels;
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@end
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@implementation HWTFCodeBView
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#pragma mark - 初始化
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- (instancetype)initWithCount:(NSInteger)count margin:(CGFloat)margin
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{
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if (self = [super init]) {
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self.itemCount = count;
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self.itemMargin = margin;
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[self configTextField];
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}
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return self;
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}
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- (void)setOriginCode:(NSString *)originCode {
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_originCode = originCode;
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if (originCode.length > 0) {
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self.textField.text = originCode;
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for (NSInteger i = 0; i < self.labels.count; i++) {
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UILabel *label = self.labels[i];
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if (originCode.length >= self.labels.count) {
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char a = [originCode characterAtIndex:i];
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label.text = [NSString stringWithFormat:@"%c", a];
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}
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}
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}
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}
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- (void)configTextField
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{
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self.backgroundColor = [UIColor whiteColor];
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self.labels = @[].mutableCopy;
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UITextField *textField = [[UITextField alloc] init];
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textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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textField.keyboardType = UIKeyboardTypeNumberPad;
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[textField addTarget:self action:@selector(tfEditingChanged:) forControlEvents:(UIControlEventEditingChanged)];
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[self addSubview:textField];
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self.textField = textField;
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UIButton *displayMaskView = [UIButton new];
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displayMaskView.backgroundColor = [UIColor clearColor];
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[displayMaskView addTarget:self action:@selector(clickMaskView) forControlEvents:(UIControlEventTouchUpInside)];
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[self addSubview:displayMaskView];
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self.displayMaskView = displayMaskView;
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for (NSInteger i = 0; i < self.itemCount; i++)
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{
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UILabel *label = [UILabel new];
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label.textAlignment = NSTextAlignmentCenter;
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label.textColor = HEXCOLOR(0x333333);
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label.font = [UIFont systemFontOfSize:24 weight:UIFontWeightHeavy];
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// label.layer.borderColor = [COLOR_999999 CGColor];
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// label.layer.borderWidth = 1;
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label.backgroundColor = HEXCOLOR(0xF7F7F7);
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label.layer.cornerRadius = 8;
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label.layer.masksToBounds = YES;
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[self addSubview:label];
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[self.labels addObject:label];
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}
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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if (self.labels.count != self.itemCount) return;
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CGFloat temp = self.bounds.size.width - (self.itemMargin * (self.itemCount - 1));
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CGFloat w = temp / self.itemCount;
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CGFloat x = 0;
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for (NSInteger i = 0; i < self.labels.count; i++)
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{
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x = i * (w + self.itemMargin);
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UILabel *label = self.labels[i];
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label.frame = CGRectMake(x, 0, w, self.bounds.size.height);
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}
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self.textField.frame = self.bounds;
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self.displayMaskView.frame = self.bounds;
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}
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#pragma mark - 编辑改变
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- (void)tfEditingChanged:(UITextField *)textField
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{
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if (textField.text.length > self.itemCount) {
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textField.text = [textField.text substringWithRange:NSMakeRange(0, self.itemCount)];
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}
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for (int i = 0; i < self.itemCount; i++)
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{
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UILabel *label = [self.labels objectAtIndex:i];
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if (i < textField.text.length) {
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label.text = [textField.text substringWithRange:NSMakeRange(i, 1)];
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} else {
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label.text = nil;
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}
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}
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// 输入完毕后，自动隐藏键盘
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if (textField.text.length >= self.itemCount) {
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[textField resignFirstResponder];
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}
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}
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- (void)clickMaskView
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{
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[self.textField becomeFirstResponder];
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}
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- (BOOL)endEditing:(BOOL)force
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{
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[self.textField endEditing:force];
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return [super endEditing:force];
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}
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- (NSString *)code
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{
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return self.textField.text;
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}
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@end
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