web2019/static/js/shop/options/components/Radio.jsx

import React, {Component} from "react";
import {Tip} from "./Tip";

class Radio extends Component {
    constructor(props) {
        super(props);
        // Initialize the state object with the initial values from the props
        this.state = {
            variant: props.outvar in props.data ? props.data[props.outvar] : props.variants[props.fallback ? props.fallback : 0],
        };

        // Bind the event handler to this
        this.handleClick = this.handleClick.bind(this);
        this.props.target.construct(this.props.outvar, this.state.variant);
    }

    handleClick(variant) {
        // Update the state object with the new value for outvar
        this.setState({
            ...this.state,
            variant: variant
        });
        this.props.target.update(this.props.outvar, variant);
    }

    static getDerivedStateFromProps(props, current_state) {
        if (current_state.variant !== props.data[props.outvar]) {
            return {
                variant: props.data[props.outvar]
            }
        }
        return null
    }

    render() {
        let key = this.props.id + this.props.outvar;
        return (
            <div className="shop-radio" key={this.props.id}>
                <div style={{"display": "inline"}} className="shop-radio-label">
                    {this.props.icon && <img src={`/images${this.props.icon}`} className="options-icon"/>}
                    {this.props.title}
                </div>
                {this.props.tip && <Tip id={this.props.id + "tooltip"} tip={this.props.tip}/>}
                {this.props.variants.map((variant, _) => (
                    <div className="form-check shop-radio-variant" key={key + variant}>
                        <input
                            className="form-check-input"
                            type="radio"
                            name={key}
                            id={key + variant}
                            checked={this.state.variant === variant}
                            onClick={() => this.handleClick(variant)}
                            onChange={() => this.handleClick(variant)}
                        />
                        <label className="form-check-label" htmlFor={key + variant}>
                            {variant}
                        </label>
                    </div>
                ))}
            </div>
        );
    }
}

export function RadioWrapper(target, id, data, {title, variants, outvar, fallback, icon, tip}) {
    return <Radio target={target} title={title} variants={variants} outvar={outvar} icon={icon} tip={tip} key={id}
                  fallback={fallback}
                  id={id} data={data}/>;
}