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| /**
* Copyright (c) 2016 Konstantin Kulinicenko.
* Licensed under the MIT License (MIT), see
* https://github.com/40818419/react-code-input
*/
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { uuidv4 } from './utils';
const BACKSPACE_KEY = 8;
const LEFT_ARROW_KEY = 37;
const UP_ARROW_KEY = 38;
const RIGHT_ARROW_KEY = 39;
const DOWN_ARROW_KEY = 40;
const E_KEY = 69;
class ReactCodeInput extends Component {
constructor(props) {
super(props);
const { fields, type, isValid, disabled, filterKeyCodes, forceUppercase } = props;
let { value } = props;
if (forceUppercase) {
value = value.toUpperCase();
}
this.state = {
value,
fields,
type,
input: [],
isValid,
disabled,
filterKeyCodes,
defaultInputStyle: {
fontFamily: 'monospace',
MozAppearance: 'textfield',
borderRadius: '6px',
border: '1px solid',
boxShadow: '0px 0px 10px 0px rgba(0,0,0,.10)',
margin: '4px',
paddingLeft: '8px',
paddingRight: 0,
width: '36px',
height: '42px',
fontSize: '32px',
boxSizing: 'border-box',
},
};
for (let i = 0; i < Number(this.state.fields); i += 1) {
if (i < 32) {
const value = this.state.value[i] || '';
this.state.input.push(value);
}
}
this.textInput = [];
this.uuid = uuidv4();
}
UNSAFE_componentWillReceiveProps(nextProps) {
this.setState({
isValid: nextProps.isValid,
value: nextProps.value,
disabled: nextProps.disabled,
});
}
handleBlur(e) {
this.handleTouch(e.target.value);
}
handleTouch(value) {
const { touch, untouch, name } = this.props;
Iif (typeof touch === 'function' && typeof untouch === 'function') {
if (value === '') {
touch(name);
} else {
untouch(name);
}
}
}
handleChange(e) {
const { filterChars, filterCharsIsWhitelist } = this.props;
let value = String(e.target.value);
if (this.props.forceUppercase) {
value = value.toUpperCase();
}
if (this.state.type === 'number') {
value = value.replace(/[^\d]/g, '');
}
/** Filter Chars */
value = value.split('').filter(currChar => {
if (filterCharsIsWhitelist) {
return filterChars.includes(currChar);
}
return !filterChars.includes(currChar);
}).join('');
let fullValue = value;
if (value !== '') {
const input = this.state.input.slice();
if (value.length > 1) {
value.split('').map((chart, i) => {
Eif (Number(e.target.dataset.id) + i < this.props.fields) {
input[Number(e.target.dataset.id) + i] = chart;
}
return false;
});
} else {
input[Number(e.target.dataset.id)] = value;
}
input.map((s, i) => {
Eif (this.textInput[i]) {
this.textInput[i].value = s;
}
return false;
});
const newTarget = this.textInput[e.target.dataset.id < input.length
? Number(e.target.dataset.id) + 1
: e.target.dataset.id];
Eif (newTarget) {
newTarget.focus();
newTarget.select();
}
fullValue = input.join('');
this.setState({ value: input.join(''), input });
}
if (this.props.onChange && fullValue) {
this.props.onChange(fullValue);
}
this.handleTouch(fullValue);
}
handleKeyDown(e) {
const target = Number(e.target.dataset.id),
nextTarget = this.textInput[target + 1],
prevTarget = this.textInput[target - 1];
let input,
value;
Eif (this.state.filterKeyCodes.length > 0) {
this.state.filterKeyCodes.map((item) => {
if (item === e.keyCode) {
e.preventDefault();
return true;
}
});
}
switch (e.keyCode) {
case BACKSPACE_KEY:
e.preventDefault();
this.textInput[target].value = '';
input = this.state.input.slice();
input[target] = '';
value = input.join('');
this.setState({ value, input });
Eif (this.textInput[target].value === '') {
if (prevTarget) {
prevTarget.focus();
prevTarget.select();
}
}
Eif (this.props.onChange) {
this.props.onChange(value);
}
break;
case LEFT_ARROW_KEY:
e.preventDefault();
Eif (prevTarget) {
prevTarget.focus();
prevTarget.select();
}
break;
case RIGHT_ARROW_KEY:
e.preventDefault();
Eif (nextTarget) {
nextTarget.focus();
nextTarget.select();
}
break;
case UP_ARROW_KEY:
e.preventDefault();
break;
case DOWN_ARROW_KEY:
e.preventDefault();
break;
case E_KEY: // This case needs to be handled because of https://stackoverflow.com/questions/31706611/why-does-the-html-input-with-type-number-allow-the-letter-e-to-be-entered-in
Eif (e.target.type === 'number') {
e.preventDefault();
break;
}
break;
default:
break;
}
this.handleTouch(value);
}
render() {
const { className, style = {}, inputStyle = {}, inputStyleInvalid = {}, type, autoFocus, pattern, inputMode } = this.props,
{ disabled, input, isValid, defaultInputStyle } = this.state,
styles = {
container: { display: 'inline-block', ...style },
input: isValid ? inputStyle : inputStyleInvalid,
};
if (!className && Object.keys(inputStyle).length === 0) {
Object.assign(inputStyle, {
...defaultInputStyle,
color: 'black',
backgroundColor: 'white',
borderColor: 'lightgrey',
});
}
if (!className && Object.keys(inputStyleInvalid).length === 0) {
Object.assign(inputStyleInvalid, {
...defaultInputStyle,
color: '#b94a48',
backgroundColor: '#f2dede',
borderColor: '#eed3d7',
});
}
if (disabled) {
Object.assign(styles.input, {
cursor: 'not-allowed',
color: 'lightgrey',
borderColor: 'lightgrey',
backgroundColor: '#efeff1',
});
}
return (
<div className={classNames(className, 'react-code-input')} style={styles.container}>
{input.map((value, i) => {
return (
<input
ref={(ref) => {
this.textInput[i] = ref;
}}
id={`${this.uuid}-${i}`}
data-id={i}
autoFocus={autoFocus && (i === 0) ? 'autoFocus' : ''}
value={value}
key={`input_${i}`}
type={type}
min={0}
max={9}
maxLength={input.length === i + 1 ? 1 : input.length}
style={styles.input}
autoComplete="off"
onFocus={(e) => e.target.select(e)}
onBlur={(e) => this.handleBlur(e)}
onChange={(e) => this.handleChange(e)}
onKeyDown={(e) => this.handleKeyDown(e)}
disabled={disabled}
data-valid={isValid}
pattern={pattern}
inputMode={inputMode}
/>
);
})}
</div>
);
}
}
ReactCodeInput.defaultProps = {
autoFocus: true,
isValid: true,
disabled: false,
forceUppercase: false,
fields: 4,
value: '',
type: 'text',
filterKeyCodes: [189, 190],
filterChars: ['-', '.'],
filterCharsIsWhitelist: false,
};
ReactCodeInput.propTypes = {
type: PropTypes.oneOf(['text', 'number', 'password', 'tel']),
fields: PropTypes.number,
value: PropTypes.string,
onChange: PropTypes.func,
name: PropTypes.string,
touch: PropTypes.func,
untouch: PropTypes.func,
className: PropTypes.string,
isValid: PropTypes.bool,
disabled: PropTypes.bool,
style: PropTypes.object,
inputStyle: PropTypes.object,
inputStyleInvalid: PropTypes.object,
autoFocus: PropTypes.bool,
forceUppercase: PropTypes.bool,
filterKeyCodes: PropTypes.array,
filterChars: PropTypes.array,
filterCharsIsWhitelist: PropTypes.bool,
pattern: PropTypes.string,
inputMode: PropTypes.oneOf([
'verbatim', 'latin', 'latin-name', 'latin-prose',
'full-width-latin', 'kana', 'kana-name', 'katakana',
'numeric', 'tel', 'email', 'url',
]),
};
export default ReactCodeInput;
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