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path: root/vnext/src/ui/UploadButton.js
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import React from 'react';

import Icon from './Icon';

/**
 * @typedef {Object} UploadButtonProps
 * @property {string} value
 * @property {React.MutableRefObject<HTMLInputElement>} inputRef
 * @property {function} onChange
 */

/**
 * Upload button
 * @param {UploadButtonProps} props
 */
export default function UploadButton(props) {
    let openfile = () => {
        const input = props.inputRef.current;
        if (props.value) {
            props.onChange('');
        } else {
            input.click();
        }
    };

    /**
     * @param {React.ChangeEvent<HTMLInputElement>} event
     */
    let attachmentChanged = (event) => {
        props.onChange(event.target.value);
    };
    return (
        <div style={props.value ? activeStyle : inactiveStyle}
            onClick={openfile}>
            <Icon name="ei-camera" size="s" />
            <input type="file" accept="image/jpeg,image/png" onClick={e => e.stopPropagation()}
                style={{ display: 'none' }} ref={props.inputRef} value={props.value}
                onChange={attachmentChanged} />
        </div>
    );
}

const inactiveStyle = {
    cursor: 'pointer',
    color: '#888'
};
const activeStyle = {
    cursor: 'pointer',
    color: 'green'
};