//
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// CRBoxInputView.m
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// CRBoxInputView
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//
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// Created by Chobits on 2019/1/3.
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// Copyright © 2019 Chobits. All rights reserved.
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//
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#import "CRBoxInputView.h"
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#import <Masonry/Masonry.h>
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#import "CRBoxTextView.h"
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typedef NS_ENUM(NSInteger, CRBoxTextChangeType) {
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CRBoxTextChangeType_NoChange,
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CRBoxTextChangeType_Insert,
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CRBoxTextChangeType_Delete,
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};
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@interface CRBoxInputView () <UICollectionViewDataSource, UICollectionViewDelegate, UITextFieldDelegate>
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{
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NSInteger _oldLength;
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BOOL _ifNeedBeginEdit;
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}
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@property (nonatomic, strong) CRBoxTextView *textView;
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@property (nonatomic, strong) UICollectionView *mainCollectionView;
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@property (nonatomic, strong) NSMutableArray <NSString *> *valueArr;
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@property (nonatomic, strong) NSMutableArray <CRBoxInputCellProperty *> *cellPropertyArr;
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@end
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@implementation CRBoxInputView
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- (instancetype)initWithFrame:(CGRect)frame{
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self = [super initWithFrame:frame];
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if (self) {
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[self initDefaultValue];
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[self addNotificationObserver];
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}
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return self;
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}
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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[self initDefaultValue];
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[self addNotificationObserver];
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}
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return self;
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}
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#pragma mark - Notification Observer
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- (void)addNotificationObserver
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{
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillResignActive:) name:UIApplicationWillResignActiveNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidBecomeActive:) name:UIApplicationDidBecomeActiveNotification object:nil];
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}
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- (void)applicationWillResignActive:(NSNotification *)notification
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{
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// 触发home按下，光标动画移除
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}
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- (void)applicationDidBecomeActive:(NSNotification *)notification
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{
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// 重新进来后响应，光标动画重新开始
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[_mainCollectionView reloadData];
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}
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#pragma mark - You can inherit
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- (void)initDefaultValue
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{
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_oldLength = 0;
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self.ifNeedSecurity = NO;
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self.securityDelay = 0.3;
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self.codeLength = 4;
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self.ifNeedCursor = YES;
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self.keyBoardType = UIKeyboardTypeNumberPad;
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self.backgroundColor = [UIColor clearColor];
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_valueArr = [NSMutableArray new];
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_ifNeedBeginEdit = NO;
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}
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- (void)loadAndPrepareView
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{
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[self loadAndPrepareViewWithBeginEdit:YES];
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}
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- (void)loadAndPrepareViewWithBeginEdit:(BOOL)beginEdit
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{
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if (_codeLength<=0) {
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NSAssert(NO, @"请输入大于0的验证码位数");
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return;
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}
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[self generateCellPropertyArr];
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// mainCollectionView
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[self addSubview:self.mainCollectionView];
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[self.mainCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.edges.mas_equalTo(UIEdgeInsetsZero);
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}];
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// textView
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[self addSubview:self.textView];
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[self.textView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.edges.mas_equalTo(UIEdgeInsetsZero);
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}];
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if (beginEdit) {
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[self beginEdit];
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}
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}
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- (void)generateCellPropertyArr
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{
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[self.cellPropertyArr removeAllObjects];
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for (int i = 0; i < self.codeLength; i++) {
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[self.cellPropertyArr addObject:[self.customCellProperty copy]];
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}
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}
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#pragma mark - UITextFieldDelegate
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- (void)textFieldDidBeginEditing:(UITextField *)textField
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{
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_ifNeedBeginEdit = YES;
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[self.mainCollectionView reloadData];
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}
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- (void)textFieldDidEndEditing:(UITextField *)textField
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{
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_ifNeedBeginEdit = NO;
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[self.mainCollectionView reloadData];
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}
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#pragma mark - TextViewEdit
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- (void)beginEdit{
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[self.textView becomeFirstResponder];
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}
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- (void)endEdit{
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[self.textView resignFirstResponder];
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}
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- (void)clearAll
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{
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[self clearAllWithBeginEdit:YES];
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}
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- (void)clearAllWithBeginEdit:(BOOL)beginEdit
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{
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_oldLength = 0;
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[_valueArr removeAllObjects];
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self.textView.text = @"";
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[self closeAllSecurityShow];
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[self.mainCollectionView reloadData];
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[self triggerBlock];
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if (beginEdit) {
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[self beginEdit];
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}
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}
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#pragma mark - UITextFieldDidChange
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- (void)textDidChange:(UITextField *)textField{
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__weak typeof(self) weakSelf = self;
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NSString *verStr = textField.text;
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//有空格去掉空格
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verStr = [verStr stringByReplacingOccurrencesOfString:@" " withString:@""];
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if (verStr.length >= _codeLength) {
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verStr = [verStr substringToIndex:_codeLength];
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[self endEdit];
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}
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textField.text = verStr;
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// 判断删除/增加
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CRBoxTextChangeType boxTextChangeType = CRBoxTextChangeType_NoChange;
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if (verStr.length > _oldLength) {
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boxTextChangeType = CRBoxTextChangeType_Insert;
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}else if (verStr.length < _oldLength){
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boxTextChangeType = CRBoxTextChangeType_Delete;
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}
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// _valueArr
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if (boxTextChangeType == CRBoxTextChangeType_Delete) {
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[self setSecurityShow:NO index:_valueArr.count-1];
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[_valueArr removeLastObject];
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}else if (boxTextChangeType == CRBoxTextChangeType_Insert){
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if (verStr.length > 0) {
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if (_valueArr.count > 0) {
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[self replaceValueArrToAsteriskWithIndex:_valueArr.count - 1 needEqualToCount:NO];
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}
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// NSString *subStr = [verStr substringWithRange:NSMakeRange(verStr.length - 1, 1)];
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// [self->_valueArr addObject:subStr];
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[_valueArr removeAllObjects];
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[verStr enumerateSubstringsInRange:NSMakeRange(0, verStr.length) options:NSStringEnumerationByComposedCharacterSequences usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
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[weakSelf.valueArr addObject:substring];
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}];
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[self delaySecurityProcess];
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}
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}
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[_mainCollectionView reloadData];
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_oldLength = verStr.length;
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[self triggerBlock];
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}
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#pragma mark - Control security show
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- (void)setSecurityShow:(BOOL)isShow index:(NSInteger)index
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{
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if (index < 0) {
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NSAssert(NO, @"index必须大于0");
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return;
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}
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CRBoxInputCellProperty *cellProperty = self.cellPropertyArr[index];
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cellProperty.ifShowSecurity = isShow;
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}
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- (void)closeAllSecurityShow
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{
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[self.cellPropertyArr enumerateObjectsUsingBlock:^(CRBoxInputCellProperty * _Nonnull cellProperty, NSUInteger idx, BOOL * _Nonnull stop) {
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if (cellProperty.ifShowSecurity == YES) {
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cellProperty.ifShowSecurity = NO;
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}
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}];
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}
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#pragma mark - Trigger block
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- (void)triggerBlock
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{
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if (self.textDidChangeblock) {
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BOOL isFinished = _valueArr.count == _codeLength ? YES : NO;
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self.textDidChangeblock(_textView.text, isFinished);
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}
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}
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#pragma mark - Asterisk
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// 替换密文
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- (void)replaceValueArrToAsteriskWithIndex:(NSInteger)index needEqualToCount:(BOOL)needEqualToCount
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{
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if (!self.ifNeedSecurity) {
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return;
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}
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if (needEqualToCount && index != _valueArr.count - 1) {
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return;
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}
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[self setSecurityShow:YES index:index];
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}
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// 延时替换密文
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- (void)delaySecurityProcess
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{
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if (!self.ifNeedSecurity) {
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return;
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}
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__weak typeof(self) weakSelf = self;
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[self delayAfter:_securityDelay dealBlock:^{
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if (self->_valueArr.count > 0) {
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[weakSelf replaceValueArrToAsteriskWithIndex:self->_valueArr.count-1 needEqualToCount:YES];
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dispatch_async(dispatch_get_main_queue(), ^{
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[self->_mainCollectionView reloadData];
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});
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}
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}];
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}
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#pragma mark - DelayBlock
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- (void)delayAfter:(CGFloat)delayTime dealBlock:(void (^)(void))dealBlock
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{
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dispatch_time_t timer = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayTime *NSEC_PER_SEC));
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dispatch_after(timer, dispatch_get_main_queue(), ^{
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if (dealBlock) {
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dealBlock();
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}
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});
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}
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#pragma mark - UICollectionViewDataSource
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return _codeLength;
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}
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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id tempCell = [self customCollectionView:collectionView cellForItemAtIndexPath:indexPath];
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if ([tempCell isKindOfClass:[CRBoxInputCell class]]) {
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CRBoxInputCell *cell = (CRBoxInputCell *)tempCell;
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cell.ifNeedCursor = self.ifNeedCursor;
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// CellProperty
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CRBoxInputCellProperty *cellProperty = self.cellPropertyArr[indexPath.row];
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cellProperty.index = indexPath.row;
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// setOriginValue
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NSUInteger focusIndex = _valueArr.count;
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if (_valueArr.count > 0 && indexPath.row <= focusIndex - 1) {
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cellProperty.originValue = _valueArr[indexPath.row];
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}else{
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cellProperty.originValue = @"";
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}
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cell.boxInputCellProperty = cellProperty;
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if (_ifNeedBeginEdit) {
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cell.selected = indexPath.row == focusIndex ? YES : NO;
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}else{
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cell.selected = NO;
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}
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}
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return tempCell;
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}
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#pragma mark - Qiuck set
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- (void)quickSetSecuritySymbol:(NSString *)securitySymbol
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{
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if (securitySymbol.length != 1) {
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securitySymbol = @"✱";
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}
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self.customCellProperty.securitySymbol = securitySymbol;
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}
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#pragma mark - You can rewrite
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- (UICollectionViewCell *)customCollectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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CRBoxInputCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:CRBoxInputCellID forIndexPath:indexPath];
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return cell;
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}
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#pragma mark - Setter & Getter
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- (UICollectionView *)mainCollectionView
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{
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if (!_mainCollectionView) {
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_mainCollectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:self.boxFlowLayout];
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_mainCollectionView.showsHorizontalScrollIndicator = NO;
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_mainCollectionView.backgroundColor = [UIColor clearColor];
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_mainCollectionView.delegate = self;
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_mainCollectionView.dataSource = self;
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_mainCollectionView.layer.masksToBounds = NO;
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_mainCollectionView.clipsToBounds = NO;
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[_mainCollectionView registerClass:[CRBoxInputCell class] forCellWithReuseIdentifier:CRBoxInputCellID];
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}
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return _mainCollectionView;
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}
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- (CRBoxFlowLayout *)boxFlowLayout
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{
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if (!_boxFlowLayout) {
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_boxFlowLayout = [CRBoxFlowLayout new];
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_boxFlowLayout.itemSize = CGSizeMake(42, 47);
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}
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return _boxFlowLayout;
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}
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- (void)setCodeLength:(NSInteger)codeLength
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{
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_codeLength = codeLength;
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self.boxFlowLayout.itemNum = codeLength;
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}
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- (void)setKeyBoardType:(UIKeyboardType)keyBoardType{
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_keyBoardType = keyBoardType;
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self.textView.keyboardType = keyBoardType;
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}
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- (CRBoxTextView *)textView{
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if (!_textView) {
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_textView = [CRBoxTextView new];
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_textView.tintColor = [UIColor clearColor];
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_textView.backgroundColor = [UIColor clearColor];
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_textView.textColor = [UIColor clearColor];
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_textView.delegate = self;
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[_textView addTarget:self action:@selector(textDidChange:) forControlEvents:UIControlEventEditingChanged];
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}
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return _textView;
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}
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- (void)setTextContentType:(UITextContentType)textContentType
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{
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_textContentType = textContentType;
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_textView.textContentType = textContentType;
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}
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- (CRBoxInputCellProperty *)customCellProperty
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{
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if (!_customCellProperty) {
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_customCellProperty = [CRBoxInputCellProperty new];
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}
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return _customCellProperty;
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}
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- (NSMutableArray <CRBoxInputCellProperty *> *)cellPropertyArr
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{
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if (!_cellPropertyArr) {
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_cellPropertyArr = [NSMutableArray new];
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}
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return _cellPropertyArr;
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}
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- (NSString *)textValue
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{
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return _textView.text;
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}
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@end
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