75 lines
2 KiB
JavaScript
75 lines
2 KiB
JavaScript
// @flow
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import React from 'react';
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import { useRadioState, Radio, RadioGroup } from 'reakit/Radio';
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type Props = {
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files: Array<WebFile>,
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onChange: (WebFile | void) => void,
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};
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type RadioProps = {
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id: string,
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label: string,
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};
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// Same as FormField type="radio" but it works with reakit:
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const ForwardedRadio = React.forwardRef((props: RadioProps, ref) => (
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<span className="radio">
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<input {...props} type="radio" ref={ref} />
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<label htmlFor={props.id}>{props.label}</label>
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</span>
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));
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function FileList(props: Props) {
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const { files, onChange } = props;
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const radio = useRadioState();
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const getFile = (value?: string) => {
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if (files && files.length) {
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return files.find((file: WebFile) => file.name === value);
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}
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};
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React.useEffect(() => {
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if (radio.stops.length) {
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if (!radio.currentId) {
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radio.first();
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} else {
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const first = radio.stops[0].ref.current;
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// First auto-selection
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if (first && first.id === radio.currentId && !radio.state) {
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const file = getFile(first.value);
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// Update state and select new file
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onChange(file);
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radio.setState(first.value);
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}
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if (radio.state) {
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// Find selected element
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const stop = radio.stops.find(item => item.id === radio.currentId);
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const element = stop && stop.ref.current;
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// Only update state if new item is selected
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if (element && element.value !== radio.state) {
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const file = getFile(element.value);
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// Sselect new file and update state
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onChange(file);
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radio.setState(element.value);
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}
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}
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}
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}
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}, [radio, onChange]);
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return (
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<div className={'file-list'}>
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<RadioGroup {...radio} aria-label="files">
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{files.map(({ name }) => {
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return <Radio key={name} {...radio} value={name} label={name} as={ForwardedRadio} />;
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})}
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</RadioGroup>
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</div>
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);
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}
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export default FileList;
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