mirror of
https://github.com/ant-design/ant-design.git
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200 lines
5.1 KiB
TypeScript
200 lines
5.1 KiB
TypeScript
import * as React from 'react';
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import * as PropTypes from 'prop-types';
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import classNames from 'classnames';
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import Animate from 'rc-animate';
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import omit from 'omit.js';
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export type SpinSize = 'small' | 'default' | 'large';
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export type SpinIndicator = React.ReactElement<any>;
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export interface SpinProps {
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prefixCls?: string;
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className?: string;
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spinning?: boolean;
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style?: React.CSSProperties;
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size?: SpinSize;
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tip?: string;
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delay?: number;
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wrapperClassName?: string;
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indicator?: SpinIndicator;
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}
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export interface SpinState {
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spinning?: boolean;
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notCssAnimationSupported?: boolean;
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}
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// Render indicator
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let defaultIndicator: React.ReactNode = null;
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function renderIndicator(props: SpinProps): React.ReactNode {
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const { prefixCls, indicator } = props;
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const dotClassName = `${prefixCls}-dot`;
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if (React.isValidElement(indicator)) {
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return React.cloneElement((indicator as SpinIndicator), {
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className: classNames((indicator as SpinIndicator).props.className, dotClassName),
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});
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}
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if (React.isValidElement(defaultIndicator)) {
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return React.cloneElement((defaultIndicator as SpinIndicator), {
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className: classNames((defaultIndicator as SpinIndicator).props.className, dotClassName),
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});
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}
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return (
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<span className={classNames(dotClassName, `${prefixCls}-dot-spin`)}>
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<i />
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<i />
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<i />
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<i />
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</span>
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);
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}
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function shouldDelay(spinning?: boolean, delay?: number): boolean {
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return !!spinning && !!delay && !isNaN(Number(delay));
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}
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class Spin extends React.Component<SpinProps, SpinState> {
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static defaultProps = {
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prefixCls: 'ant-spin',
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spinning: true,
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size: 'default' as SpinSize,
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wrapperClassName: '',
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};
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static propTypes = {
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prefixCls: PropTypes.string,
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className: PropTypes.string,
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spinning: PropTypes.bool,
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size: PropTypes.oneOf(['small', 'default', 'large']),
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wrapperClassName: PropTypes.string,
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indicator: PropTypes.node,
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};
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static setDefaultIndicator(indicator: React.ReactNode) {
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defaultIndicator = indicator;
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}
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debounceTimeout: number;
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delayTimeout: number;
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constructor(props: SpinProps) {
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super(props);
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const { spinning, delay } = props;
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this.state = {
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spinning: spinning && !shouldDelay(spinning, delay),
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};
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}
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isNestedPattern() {
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return !!(this.props && this.props.children);
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}
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componentDidMount() {
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const { spinning, delay } = this.props;
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if (shouldDelay(spinning, delay)) {
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this.delayTimeout = window.setTimeout(this.delayUpdateSpinning, delay);
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}
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}
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componentWillUnmount() {
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if (this.debounceTimeout) {
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clearTimeout(this.debounceTimeout);
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}
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if (this.delayTimeout) {
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clearTimeout(this.delayTimeout);
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}
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}
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componentDidUpdate() {
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const currentSpinning = this.state.spinning;
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const spinning = this.props.spinning;
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if (currentSpinning === spinning) {
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return;
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}
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const { delay } = this.props;
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if (this.debounceTimeout) {
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clearTimeout(this.debounceTimeout);
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}
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if (currentSpinning && !spinning) {
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this.debounceTimeout = window.setTimeout(() => this.setState({ spinning }), 200);
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if (this.delayTimeout) {
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clearTimeout(this.delayTimeout);
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}
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} else {
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if (shouldDelay(spinning, delay)) {
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if (this.delayTimeout) {
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clearTimeout(this.delayTimeout);
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}
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this.delayTimeout = window.setTimeout(this.delayUpdateSpinning, delay);
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} else {
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this.setState({ spinning });
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}
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}
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}
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delayUpdateSpinning = () => {
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const { spinning } = this.props;
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if (this.state.spinning !== spinning) {
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this.setState({ spinning });
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}
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};
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render() {
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const { className, size, prefixCls, tip, wrapperClassName, ...restProps } = this.props;
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const { spinning } = this.state;
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const spinClassName = classNames(prefixCls, {
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[`${prefixCls}-sm`]: size === 'small',
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[`${prefixCls}-lg`]: size === 'large',
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[`${prefixCls}-spinning`]: spinning,
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[`${prefixCls}-show-text`]: !!tip,
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}, className);
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// fix https://fb.me/react-unknown-prop
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const divProps = omit(restProps, [
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'spinning',
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'delay',
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'indicator',
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]);
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const spinElement = (
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<div {...divProps} className={spinClassName} >
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{renderIndicator(this.props)}
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{tip ? <div className={`${prefixCls}-text`}>{tip}</div> : null}
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</div>
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);
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if (this.isNestedPattern()) {
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let animateClassName = prefixCls + '-nested-loading';
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if (wrapperClassName) {
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animateClassName += ' ' + wrapperClassName;
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}
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const containerClassName = classNames({
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[`${prefixCls}-container`]: true,
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[`${prefixCls}-blur`]: spinning,
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});
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return (
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<Animate
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{...divProps}
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component="div"
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className={animateClassName}
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style={null}
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transitionName="fade"
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>
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{spinning && <div key="loading">{spinElement}</div>}
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<div className={containerClassName} key="container">
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{this.props.children}
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</div>
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</Animate>
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);
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}
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return spinElement;
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}
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}
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export default Spin;
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