99 lines
2.1 KiB
Plaintext
99 lines
2.1 KiB
Plaintext
// @flow
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// @inheritedComponent FormGroup
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import React from 'react';
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import type { Node } from 'react';
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import FormGroup from '../Form/FormGroup';
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import { find } from '../utils/helpers';
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export type Props = {
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/**
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* The content of the component.
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*/
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children?: Node,
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/**
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* The name used to reference the value of the control.
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*/
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name?: string,
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/**
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* @ignore
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*/
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onBlur?: Function,
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/**
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* Callback fired when a radio button is selected.
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*
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* @param {object} event The event source of the callback
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* @param {string} value The `value` of the selected radio button
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*/
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onChange?: Function,
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/**
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* @ignore
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*/
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onKeyDown?: Function,
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/**
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* Value of the selected radio button.
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*/
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value?: string,
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};
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class RadioGroup extends React.Component<Props> {
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radios: Array<HTMLInputElement> = [];
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focus = () => {
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if (!this.radios || !this.radios.length) {
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return;
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}
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const focusRadios = this.radios.filter(n => !n.disabled);
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if (!focusRadios.length) {
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return;
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}
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const selectedRadio = find(focusRadios, n => n.checked);
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if (selectedRadio) {
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selectedRadio.focus();
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return;
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}
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focusRadios[0].focus();
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};
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handleRadioChange = (event: SyntheticInputEvent<*>, checked: boolean) => {
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if (checked && this.props.onChange) {
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this.props.onChange(event, event.target.value);
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}
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};
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render() {
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const { children, name, value, onChange, ...other } = this.props;
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this.radios = [];
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return (
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<FormGroup data-mui-test="RadioGroup" role="radiogroup" {...other}>
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{React.Children.map(children, (child, index) => {
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if (!React.isValidElement(child)) {
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return null;
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}
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return React.cloneElement(child, {
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key: index,
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name,
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inputRef: node => {
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if (node) {
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this.radios.push(node);
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}
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},
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checked: value === child.props.value,
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onChange: this.handleRadioChange,
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});
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})}
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</FormGroup>
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);
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}
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}
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export default RadioGroup;
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