2017-11-17 14:38:54 +08:00
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import * as React from 'react';
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2016-02-28 00:16:32 +08:00
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import classNames from 'classnames';
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2017-03-28 11:56:38 +08:00
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import Radio from './radio';
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2020-05-27 10:21:17 +08:00
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import { RadioGroupProps, RadioChangeEvent, RadioGroupButtonStyle } from './interface';
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import { ConfigContext } from '../config-provider';
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2020-01-03 13:38:16 +08:00
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import SizeContext from '../config-provider/SizeContext';
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2020-02-26 16:09:22 +08:00
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import { RadioGroupContextProvider } from './context';
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2020-06-30 10:45:16 +08:00
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import { usePrevious } from '../_util/ref';
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2015-07-17 16:06:46 +08:00
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2020-05-27 10:21:17 +08:00
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const RadioGroup: React.FC<RadioGroupProps> = props => {
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const { getPrefixCls, direction } = React.useContext(ConfigContext);
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const size = React.useContext(SizeContext);
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2020-03-16 12:47:24 +08:00
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2020-05-27 10:21:17 +08:00
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let initValue;
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if (props.value !== undefined) {
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initValue = props.value;
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} else if (props.defaultValue !== undefined) {
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initValue = props.defaultValue;
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2018-12-17 15:01:55 +08:00
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}
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2020-05-27 10:21:17 +08:00
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const [value, setValue] = React.useState(initValue);
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2020-06-30 10:45:16 +08:00
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const prevPropValue = usePrevious(props.value);
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2018-12-17 15:01:55 +08:00
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2020-05-27 10:21:17 +08:00
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React.useEffect(() => {
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if (props.value !== undefined || prevPropValue !== props.value) {
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setValue(props.value);
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2016-02-20 16:39:49 +08:00
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}
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2020-05-27 10:21:17 +08:00
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}, [props.value]);
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2017-03-23 17:19:50 +08:00
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2020-05-27 10:21:17 +08:00
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const onRadioChange = (ev: RadioChangeEvent) => {
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const lastValue = value;
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const val = ev.target.value;
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if (!('value' in props)) {
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setValue(val);
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2016-02-20 16:39:49 +08:00
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}
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2020-05-27 10:21:17 +08:00
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const { onChange } = props;
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if (onChange && val !== lastValue) {
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2016-10-24 16:30:38 +08:00
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onChange(ev);
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}
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2018-12-07 20:02:01 +08:00
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};
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2019-01-18 18:12:56 +08:00
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2020-05-27 10:21:17 +08:00
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const renderGroup = () => {
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2020-01-03 13:38:16 +08:00
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const {
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prefixCls: customizePrefixCls,
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className = '',
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options,
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2020-06-28 22:41:59 +08:00
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optionType,
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2020-01-03 13:38:16 +08:00
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buttonStyle,
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2020-05-26 22:26:51 +08:00
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disabled,
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children,
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2020-01-03 13:38:16 +08:00
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size: customizeSize,
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2020-05-26 22:26:51 +08:00
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style,
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id,
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onMouseEnter,
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onMouseLeave,
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2020-05-27 10:21:17 +08:00
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} = props;
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2018-12-05 19:12:18 +08:00
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const prefixCls = getPrefixCls('radio', customizePrefixCls);
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2018-04-22 16:35:34 +08:00
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const groupPrefixCls = `${prefixCls}-group`;
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2020-05-26 22:26:51 +08:00
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let childrenToRender = children;
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2017-03-28 11:56:38 +08:00
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// 如果存在 options, 优先使用
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2017-11-27 10:49:17 +08:00
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if (options && options.length > 0) {
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2020-06-28 22:41:59 +08:00
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const optionsPrefixCls = optionType === 'button' ? `${prefixCls}-button` : prefixCls;
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2020-05-26 22:26:51 +08:00
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childrenToRender = options.map(option => {
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2018-12-07 20:02:01 +08:00
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if (typeof option === 'string') {
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// 此处类型自动推导为 string
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2017-03-28 11:56:38 +08:00
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return (
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<Radio
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2019-08-06 15:04:10 +08:00
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key={option}
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2020-06-28 22:41:59 +08:00
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prefixCls={optionsPrefixCls}
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2020-05-26 22:26:51 +08:00
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disabled={disabled}
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2017-03-28 11:56:38 +08:00
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value={option}
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2020-05-26 22:26:51 +08:00
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checked={value === option}
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2017-03-28 11:56:38 +08:00
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>
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{option}
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</Radio>
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);
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}
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2019-08-05 18:38:10 +08:00
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// 此处类型自动推导为 { label: string value: string }
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return (
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<Radio
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2019-08-06 15:04:10 +08:00
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key={`radio-group-value-options-${option.value}`}
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2020-06-28 22:41:59 +08:00
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prefixCls={optionsPrefixCls}
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2020-05-26 22:26:51 +08:00
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disabled={option.disabled || disabled}
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2019-08-05 18:38:10 +08:00
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value={option.value}
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2020-05-26 22:26:51 +08:00
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checked={value === option.value}
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2020-02-04 17:34:02 +08:00
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style={option.style}
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2019-08-05 18:38:10 +08:00
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>
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{option.label}
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</Radio>
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);
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2017-03-28 11:56:38 +08:00
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});
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}
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2020-05-27 10:21:17 +08:00
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const mergedSize = customizeSize || size;
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const classString = classNames(
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groupPrefixCls,
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`${groupPrefixCls}-${buttonStyle}`,
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{
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[`${groupPrefixCls}-${mergedSize}`]: mergedSize,
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[`${groupPrefixCls}-rtl`]: direction === 'rtl',
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},
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className,
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2016-11-14 11:52:18 +08:00
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);
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2020-02-26 16:09:22 +08:00
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return (
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2020-05-27 10:21:17 +08:00
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<div
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className={classString}
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style={style}
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onMouseEnter={onMouseEnter}
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onMouseLeave={onMouseLeave}
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id={id}
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2020-02-26 16:09:22 +08:00
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>
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2020-05-27 10:21:17 +08:00
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{childrenToRender}
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</div>
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2020-02-26 16:09:22 +08:00
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);
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2020-05-27 10:21:17 +08:00
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};
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return (
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<RadioGroupContextProvider
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value={{
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onChange: onRadioChange,
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value,
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disabled: props.disabled,
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name: props.name,
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}}
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>
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{renderGroup()}
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</RadioGroupContextProvider>
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);
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};
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RadioGroup.defaultProps = {
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buttonStyle: 'outline' as RadioGroupButtonStyle,
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};
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2018-12-17 15:01:55 +08:00
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2020-05-27 10:21:17 +08:00
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export default React.memo(RadioGroup);
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