104 lines
2.4 KiB
JavaScript
104 lines
2.4 KiB
JavaScript
import React, { PureComponent, createRef } from 'react';
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import { stringWidth } from 'utils';
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export default class Editable extends PureComponent {
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static defaultProps = {
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editable: true
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};
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inputEl = createRef();
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state = {
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editing: false
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};
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componentDidUpdate(prevProps, prevState) {
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if (!prevState.editing && this.state.editing) {
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// eslint-disable-next-line react/no-did-update-set-state
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this.updateInputWidth(this.props.value);
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this.inputEl.current.focus();
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} else if (this.state.editing && prevProps.value !== this.props.value) {
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this.updateInputWidth(this.props.value);
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}
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}
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updateInputWidth = value => {
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if (this.inputEl.current) {
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const style = window.getComputedStyle(this.inputEl.current);
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const padding = parseInt(style.paddingRight, 10);
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// Make sure the width is at least 1px so the caret always shows
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const width =
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stringWidth(value, `${style.fontSize} ${style.fontFamily}`) || 1;
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this.setState({
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width: width + padding * 2,
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indent: padding
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});
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}
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};
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startEditing = () => {
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if (this.props.editable) {
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this.initialValue = this.props.value;
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this.setState({ editing: true });
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}
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};
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stopEditing = () => {
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const { validate, value, onChange } = this.props;
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if (validate && !validate(value)) {
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onChange(this.initialValue);
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}
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this.setState({ editing: false });
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};
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handleBlur = e => {
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const { onBlur } = this.props;
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this.stopEditing();
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if (onBlur) {
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onBlur(e.target.value);
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}
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};
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handleChange = e => this.props.onChange(e.target.value);
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handleKey = e => {
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if (e.key === 'Enter') {
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this.handleBlur(e);
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}
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};
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handleFocus = e => {
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const val = e.target.value;
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e.target.value = '';
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e.target.value = val;
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};
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render() {
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const { children, className, value } = this.props;
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const style = {
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width: this.state.width,
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textIndent: this.state.indent,
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paddingLeft: 0
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};
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return this.state.editing ? (
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<input
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ref={this.inputEl}
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className={className}
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type="text"
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value={value}
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onBlur={this.handleBlur}
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onChange={this.handleChange}
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onKeyDown={this.handleKey}
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onFocus={this.handleFocus}
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style={style}
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spellCheck={false}
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/>
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) : (
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<div onClick={this.startEditing}>{children}</div>
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);
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}
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}
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