mirror of
https://gitee.com/ant-design/ant-design.git
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189 lines
5.0 KiB
TypeScript
189 lines
5.0 KiB
TypeScript
import * as React from 'react';
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import classNames from 'classnames';
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import omit from 'omit.js';
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import debounce from 'lodash/debounce';
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import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';
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import { tuple } from '../_util/type';
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import { isValidElement, cloneElement } from '../_util/reactNode';
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const SpinSizes = tuple('small', 'default', 'large');
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export type SpinSize = typeof SpinSizes[number];
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export type SpinIndicator = React.ReactElement<HTMLElement>;
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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(prefixCls: string, props: SpinProps): React.ReactNode {
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const { indicator } = props;
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const dotClassName = `${prefixCls}-dot`;
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// should not be render default indicator when indicator value is null
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if (indicator === null) {
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return null;
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}
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if (isValidElement(indicator)) {
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return cloneElement(indicator, {
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className: classNames(indicator.props.className, dotClassName),
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});
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}
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if (isValidElement(defaultIndicator)) {
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return cloneElement(defaultIndicator as SpinIndicator, {
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className: classNames((defaultIndicator as SpinIndicator).props.className, dotClassName),
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});
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}
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return (
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<span className={classNames(dotClassName, `${prefixCls}-dot-spin`)}>
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<i className={`${prefixCls}-dot-item`} />
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<i className={`${prefixCls}-dot-item`} />
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<i className={`${prefixCls}-dot-item`} />
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<i className={`${prefixCls}-dot-item`} />
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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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spinning: true,
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size: 'default' as SpinSize,
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wrapperClassName: '',
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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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originalUpdateSpinning: () => void;
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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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const shouldBeDelayed = shouldDelay(spinning, delay);
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this.state = {
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spinning: spinning && !shouldBeDelayed,
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};
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this.originalUpdateSpinning = this.updateSpinning;
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this.debouncifyUpdateSpinning(props);
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}
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componentDidMount() {
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this.updateSpinning();
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}
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componentDidUpdate() {
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this.debouncifyUpdateSpinning();
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this.updateSpinning();
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}
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componentWillUnmount() {
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this.cancelExistingSpin();
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}
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debouncifyUpdateSpinning = (props?: SpinProps) => {
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const { delay } = props || this.props;
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if (delay) {
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this.cancelExistingSpin();
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this.updateSpinning = debounce(this.originalUpdateSpinning, delay);
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}
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};
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updateSpinning = () => {
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const { spinning } = this.props;
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const { spinning: currentSpinning } = this.state;
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if (currentSpinning !== spinning) {
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this.setState({ spinning });
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}
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};
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cancelExistingSpin() {
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const { updateSpinning } = this;
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if (updateSpinning && (updateSpinning as any).cancel) {
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(updateSpinning as any).cancel();
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}
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}
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isNestedPattern() {
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return !!(this.props && typeof this.props.children !== 'undefined');
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}
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renderSpin = ({ getPrefixCls, direction }: ConfigConsumerProps) => {
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const {
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prefixCls: customizePrefixCls,
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className,
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size,
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tip,
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wrapperClassName,
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style,
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...restProps
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} = this.props;
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const { spinning } = this.state;
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const prefixCls = getPrefixCls('spin', customizePrefixCls);
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const spinClassName = classNames(
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prefixCls,
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{
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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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[`${prefixCls}-rtl`]: direction === 'rtl',
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},
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className,
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);
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// fix https://fb.me/react-unknown-prop
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const divProps = omit(restProps, ['spinning', 'delay', 'indicator']);
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const spinElement = (
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<div {...divProps} style={style} className={spinClassName}>
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{renderIndicator(prefixCls, this.props)}
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{tip ? <div className={`${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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const containerClassName = classNames(`${prefixCls}-container`, {
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[`${prefixCls}-blur`]: spinning,
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});
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return (
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<div {...divProps} className={classNames(`${prefixCls}-nested-loading`, wrapperClassName)}>
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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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</div>
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);
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}
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return spinElement;
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};
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render() {
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return <ConfigConsumer>{this.renderSpin}</ConfigConsumer>;
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}
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}
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export default Spin;
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