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91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
import React from 'react';
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import classNames from 'classnames';
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import Radio from './radio';
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import RadioButton from './radioButton';
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import PureRenderMixin from 'react-addons-pure-render-mixin';
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function getCheckedValue(children) {
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let value = null;
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let matched = false;
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React.Children.forEach(children, (radio) => {
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if (radio && radio.props && radio.props.checked) {
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value = radio.props.value;
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matched = true;
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}
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});
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return matched ? { value } : undefined;
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}
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export default class RadioGroup extends React.Component {
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static defaultProps = {
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prefixCls: 'ant-radio-group',
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disabled: false,
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onChange() {
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},
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}
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constructor(props) {
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super(props);
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let value;
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if ('value' in props) {
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value = props.value;
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} else if ('defaultValue' in props) {
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value = props.defaultValue;
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} else {
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const checkedValue = getCheckedValue(props.children);
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value = checkedValue && checkedValue.value;
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}
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this.state = {
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value,
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};
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}
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componentWillReceiveProps(nextProps) {
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if ('value' in nextProps) {
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this.setState({
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value: nextProps.value,
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});
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} else {
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const checkedValue = getCheckedValue(nextProps.children);
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if (checkedValue) {
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this.setState({
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value: checkedValue.value,
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});
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}
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}
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}
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shouldComponentUpdate(...args) {
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return PureRenderMixin.shouldComponentUpdate.apply(this, args);
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}
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onRadioChange = (ev) => {
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if (!('value' in this.props)) {
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this.setState({
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value: ev.target.value,
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});
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}
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this.props.onChange(ev);
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}
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render() {
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const props = this.props;
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const children = React.Children.map(props.children, (radio) => {
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if (radio && (radio.type === Radio || radio.type === RadioButton) && radio.props) {
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const keyProps = {};
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if (!('key' in radio) && typeof radio.props.value === 'string') {
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keyProps.key = radio.props.value;
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}
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return React.cloneElement(radio, {
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...keyProps,
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...radio.props,
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onChange: this.onRadioChange,
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checked: this.state.value === radio.props.value,
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disabled: radio.props.disabled || this.props.disabled,
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});
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}
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return radio;
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});
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const classString = classNames({
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[props.prefixCls]: true,
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[`${props.prefixCls}-${props.size}`]: props.size,
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});
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return <div className={classString} style={props.style}>{children}</div>;
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}
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}
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