//
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// PBTextInputTableViewCell.m
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// IphoneBIMe
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//
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// Created by zjf on 2020/11/27.
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// Copyright © 2020 ProBIM. All rights reserved.
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//
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#import "PBTextInputTableViewCell.h"
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#import "PBExamineAddModel.h"
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#define maxTextCount 200
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@interface PBTextInputTableViewCell()<UITextViewDelegate, UIGestureRecognizerDelegate>
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//@property (nonatomic, weak) UIView *topView;
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@property (nonatomic, weak) UITextView *textView;
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@property (nonatomic, weak) UILabel *promptL;
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@property (nonatomic, strong) UIToolbar *kbToolbar;
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@end
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@implementation PBTextInputTableViewCell
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- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
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if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
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[self setupUI];
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}
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return self;
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}
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- (void)setupUI {
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self.contentView.backgroundColor = PBColor(244, 245, 246);
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// UIView *topView = [[UIView alloc] init];
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// topView.backgroundColor = PBColor(244, 245, 246);
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// [self.contentView addSubview:topView];
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// [topView mas_makeConstraints:^(MASConstraintMaker *make) {
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// make.top.left.right.equalTo(self.contentView);
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// make.height.equalTo(@16);
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// }];
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UIView *bgView = [[UIView alloc] init];
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bgView.backgroundColor = [UIColor whiteColor];
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[self.contentView addSubview:bgView];
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[bgView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(self.contentView).offset(10);
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make.left.right.equalTo(self.contentView);
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make.bottom.equalTo(self.contentView);
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make.height.equalTo(@102);
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}];
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[bgView circleViewWithRadius:6];
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UITextView *textView = [[UITextView alloc] init];
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textView.textColor= PBColor(40, 58, 79);
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textView.font = [UIFont boldSystemFontOfSize:15];
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// [textView becomeFirstResponder];
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textView.delegate = self;
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textView.text = _text;
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[bgView addSubview:textView];
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[textView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(bgView).offset(16);
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make.left.equalTo(bgView).offset(16);
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make.right.equalTo(bgView).offset(-16);
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make.bottom.equalTo(bgView).offset(-16);
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}];
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textView.inputAccessoryView = self.kbToolbar;
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UILabel *promptL= [UILabel z_labelWithText:@"请输入任务标题" Color:PBColor(97, 111, 125) isBold:YES Font:15];
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[bgView addSubview:promptL];
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[promptL mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(textView).offset(8);
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make.left.equalTo(textView).offset(6);
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}];
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if (_text.length != 0) {
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promptL.hidden = YES;
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}
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// self.topView = topView;
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self.textView = textView;
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self.promptL = promptL;
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}
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#pragma mark - UITextViewDelete
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- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range
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replacementText:(NSString *)text {
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NSLog(@"%zd",textView.text.length);
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NSLog(@"===shouldChangeText");
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UITextRange *selectedRange = [textView markedTextRange];
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//获取高亮部分
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UITextPosition *pos = [textView positionFromPosition:selectedRange.start offset:0];
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//获取高亮部分内容
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//NSString * selectedtext = [textView textInRange:selectedRange];
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//如果有高亮且当前字数开始位置小于最大限制时允许输入
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if (selectedRange && pos) {
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NSInteger startOffset = [textView offsetFromPosition:textView.beginningOfDocument toPosition:selectedRange.start];
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NSInteger endOffset = [textView offsetFromPosition:textView.beginningOfDocument toPosition:selectedRange.end];
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NSRange offsetRange = NSMakeRange(startOffset, endOffset - startOffset);
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if (offsetRange.location < maxTextCount) {
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return YES;
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}
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else{
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return NO;
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}
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}
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NSString *comcatstr = [textView.text stringByReplacingCharactersInRange:range withString:text];
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NSInteger caninputlen = maxTextCount - comcatstr.length;
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if (caninputlen >= 0){
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return YES;
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}else{
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NSInteger len = text.length + caninputlen;
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//防止当text.length + caninputlen < 0时，使得rg.length为一个非法最大正数出错
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NSRange rg = {0,MAX(len,0)};
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if (rg.length > 0){
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NSString *s = @"";
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//判断是否只普通的字符或asc码(对于中文和表情返回NO)
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BOOL asc = [text canBeConvertedToEncoding:NSASCIIStringEncoding];
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if (asc) {
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s = [text substringWithRange:rg];//因为是ascii码直接取就可以了不会错
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}else{
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__block NSInteger idx = 0;
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__block NSString *trimString = @"";//截取出的字串
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//使用字符串遍历，这个方法能准确知道每个emoji是占一个unicode还是两个
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[text enumerateSubstringsInRange:NSMakeRange(0, [text length])
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options:NSStringEnumerationByComposedCharacterSequences
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usingBlock: ^(NSString* substring, NSRange substringRange, NSRange enclosingRange, BOOL* stop) {
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if (idx >= rg.length) {
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*stop = YES; //取出所需要就break，提高效率
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return ;
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}
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trimString = [trimString stringByAppendingString:substring];
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idx++;
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}];
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s = trimString;
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}
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//rang是指从当前光标处进行替换处理(注意如果执行此句后面返回的是YES会触发didchange事件)
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[textView setText:[textView.text stringByReplacingCharactersInRange:range withString:s]];
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//既然是超出部分截取了，哪一定是最大限制了。
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// self.textLengthL.text = [NSString stringWithFormat:@"%d/%ld",0,(long)maxTextCount];
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}
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return NO;
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}
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}
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- (void)textViewDidChange:(UITextView *)textView{
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if (textView.text.length == 0) {
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self.promptL.hidden = NO;
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}else {
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self.promptL.hidden = YES;
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}
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NSLog(@"===DidChangeText");
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UITextRange *selectedRange = [textView markedTextRange];
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//获取高亮部分
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UITextPosition *pos = [textView positionFromPosition:selectedRange.start offset:0];
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//如果在变化中是高亮部分在变，就不要计算字符了
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if (selectedRange && pos) {
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return;
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}
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NSString *nsTextContent = textView.text;
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NSInteger existTextNum = nsTextContent.length;
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if (existTextNum > maxTextCount){
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//截取到最大位置的字符(由于超出截部分在should时被处理了所在这里这了提高效率不再判断)
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NSString *s = [nsTextContent substringToIndex:maxTextCount];
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[textView setText:s];
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}
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self.examineAddModel.dataStr = textView.text;
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//不让显示负数 口口日
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// self.textLengthL.text = [NSString stringWithFormat:@"%ld/%d",MAX(0,maxTextCount - existTextNum),maxTextCount];
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}
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- (BOOL)textViewShouldEndEditing:(UITextView *)textView {
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if (self.endEditBlock) {
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self.endEditBlock(textView.text);
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}
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return YES;
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}
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- (void)setExamineAddModel:(PBExamineAddModel *)examineAddModel {
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_examineAddModel = examineAddModel;
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// if ([examineAddModel.key isEqualToString:@"RectificationRemark"]) {
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// self.topView.backgroundColor = PBColor(244, 245, 246);
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// }else {
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// self.topView.backgroundColor = [UIColor blackColor];
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// }
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self.promptL.text = examineAddModel.prompt;
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self.textView.text = examineAddModel.dataStr;
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if (self.textView.text.length == 0) {
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self.promptL.hidden = NO;
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}else {
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self.promptL.hidden = YES;
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}
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if (examineAddModel.isAddExamine) {
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self.textView.editable = YES;
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}else {
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self.textView.editable = NO;
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}
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}
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- (UIToolbar *) kbToolbar {
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if (_kbToolbar == nil) {
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_kbToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, MainScreenWidth, 44)];
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UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] initWithTitle:@"完成" style:UIBarButtonItemStyleDone target:self action:@selector(closeKeyboard)];
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_kbToolbar.items = @[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil], doneItem];
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}
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return _kbToolbar;
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}
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- (void)closeKeyboard {
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[self endEditing:YES];
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}
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- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
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[super setSelected:selected animated:animated];
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// Configure the view for the selected state
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}
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@end
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