161 lines
4.5 KiB
Vue
161 lines
4.5 KiB
Vue
import { inject, cloneVNode, isVNode } from 'vue';
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import debounce from 'lodash-es/debounce';
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import PropTypes from '../_util/vue-types';
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import BaseMixin from '../_util/BaseMixin';
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import { initDefaultProps, getComponent, getSlot } from '../_util/props-util';
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import { defaultConfigProvider } from '../config-provider';
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export const SpinSize = PropTypes.oneOf(['small', 'default', 'large']);
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export const SpinProps = () => ({
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prefixCls: PropTypes.string,
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spinning: PropTypes.bool,
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size: SpinSize,
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wrapperClassName: PropTypes.string,
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tip: PropTypes.string,
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delay: PropTypes.number,
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indicator: PropTypes.any,
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});
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// Render indicator
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let defaultIndicator;
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function shouldDelay(spinning, delay) {
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return !!spinning && !!delay && !isNaN(Number(delay));
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}
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export function setDefaultIndicator(Content) {
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const Indicator = Content.indicator;
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defaultIndicator =
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typeof Indicator === 'function'
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? Indicator
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: () => {
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return <Indicator />;
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};
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}
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export default {
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name: 'ASpin',
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mixins: [BaseMixin],
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inheritAttrs: false,
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props: initDefaultProps(SpinProps(), {
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size: 'default',
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spinning: true,
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wrapperClassName: '',
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}),
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setup() {
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return {
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configProvider: inject('configProvider', defaultConfigProvider),
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};
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},
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data() {
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const { spinning, delay } = this;
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const shouldBeDelayed = shouldDelay(spinning, delay);
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this.originalUpdateSpinning = this.updateSpinning;
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this.debouncifyUpdateSpinning(this.$props);
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return {
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sSpinning: spinning && !shouldBeDelayed,
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};
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},
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mounted() {
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this.updateSpinning();
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},
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updated() {
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this.$nextTick(() => {
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this.debouncifyUpdateSpinning();
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this.updateSpinning();
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});
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},
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beforeUnmount() {
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this.cancelExistingSpin();
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},
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methods: {
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debouncifyUpdateSpinning(props) {
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const { delay } = props || this.$props;
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if (delay) {
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this.cancelExistingSpin();
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this.updateSpinning = debounce(this.originalUpdateSpinning, delay);
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}
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},
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updateSpinning() {
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const { spinning, sSpinning } = this;
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if (sSpinning !== spinning) {
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this.setState({ sSpinning: spinning });
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}
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},
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cancelExistingSpin() {
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const { updateSpinning } = this;
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if (updateSpinning && updateSpinning.cancel) {
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updateSpinning.cancel();
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}
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},
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renderIndicator(prefixCls) {
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const dotClassName = `${prefixCls}-dot`;
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let indicator = getComponent(this, 'indicator');
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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 (Array.isArray(indicator)) {
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indicator = indicator.length === 1 ? indicator[0] : indicator;
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}
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if (isVNode(indicator)) {
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return cloneVNode(indicator, { class: dotClassName });
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}
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if (defaultIndicator && isVNode(defaultIndicator())) {
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return cloneVNode(defaultIndicator(), { class: dotClassName });
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}
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return (
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<span class={`${dotClassName} ${prefixCls}-dot-spin`}>
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<i class={`${prefixCls}-dot-item`} />
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<i class={`${prefixCls}-dot-item`} />
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<i class={`${prefixCls}-dot-item`} />
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<i class={`${prefixCls}-dot-item`} />
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</span>
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);
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},
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},
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render() {
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const { size, prefixCls: customizePrefixCls, tip, wrapperClassName } = this.$props;
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const { class: cls, style, ...divProps } = this.$attrs;
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const getPrefixCls = this.configProvider.getPrefixCls;
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const prefixCls = getPrefixCls('spin', customizePrefixCls);
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const { sSpinning } = this;
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const spinClassName = {
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[prefixCls]: true,
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[`${prefixCls}-sm`]: size === 'small',
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[`${prefixCls}-lg`]: size === 'large',
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[`${prefixCls}-spinning`]: sSpinning,
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[`${prefixCls}-show-text`]: !!tip,
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[cls]: !!cls,
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};
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const spinElement = (
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<div {...divProps} style={style} class={spinClassName}>
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{this.renderIndicator(prefixCls)}
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{tip ? <div class={`${prefixCls}-text`}>{tip}</div> : null}
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</div>
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);
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const children = getSlot(this);
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if (children && children.length) {
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const containerClassName = {
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[`${prefixCls}-container`]: true,
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[`${prefixCls}-blur`]: sSpinning,
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};
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return (
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<div class={[`${prefixCls}-nested-loading`, wrapperClassName]}>
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{sSpinning && <div key="loading">{spinElement}</div>}
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<div class={containerClassName} key="container">
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{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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};
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