cd10856c3e
Summary: _typescript_ Reviewed By: priteshrnandgaonkar Differential Revision: D16828226 fbshipit-source-id: e6dd9946ae642a27ebc8a3f6dfce6773051f5a7a
69 lines
1.4 KiB
JavaScript
69 lines
1.4 KiB
JavaScript
/**
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* Copyright 2018-present Facebook.
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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* @format
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*/
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import {Component} from 'react';
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import Box from './Box.js';
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import {colors} from './colors.tsx';
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import styled from '../styled/index.js';
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const FocusableBoxBorder = styled(Box)({
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border: `1px solid ${colors.highlight}`,
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bottom: '0',
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left: '0',
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pointerEvents: 'none',
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position: 'absolute',
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right: '0',
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top: '0',
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});
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export default class FocusableBox extends Component<
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Object,
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{|
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focused: boolean,
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|},
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> {
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constructor(props: Object, context: Object) {
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super(props, context);
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this.state = {focused: false};
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}
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static defaultProps = {
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focusable: true,
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};
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onBlur = (e: SyntheticFocusEvent<>) => {
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const {onBlur} = this.props;
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if (onBlur) {
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onBlur(e);
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}
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if (this.state.focused) {
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this.setState({focused: false});
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}
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};
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onFocus = (e: SyntheticFocusEvent<>) => {
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const {onFocus} = this.props;
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if (onFocus) {
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onFocus(e);
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}
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if (this.props.focusable) {
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this.setState({focused: true});
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}
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};
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render() {
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const {props} = this;
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return (
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<Box {...props} onFocus={this.onFocus} onBlur={this.onBlur} tabIndex="0">
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{props.children}
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{this.state.focused && <FocusableBoxBorder />}
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</Box>
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);
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}
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}
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