178 lines
4.8 KiB
Vue
178 lines
4.8 KiB
Vue
import debounce from 'lodash/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 {
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filterEmpty,
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initDefaultProps,
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isValidElement,
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getComponentFromProp,
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getListeners,
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} from '../_util/props-util';
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import { cloneElement } from '../_util/vnode';
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import { ConfigConsumerProps } 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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defaultIndicator =
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typeof Content.indicator === 'function'
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? Content.indicator
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: h => {
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return <Content.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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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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inject: {
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configProvider: { default: () => ConfigConsumerProps },
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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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beforeDestroy() {
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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.$props;
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if (delay) {
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this.cancelExistingSpin();
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this.updateSpinning = debounce(this.originalUpdateSpinning, delay);
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}
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},
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updateSpinning() {
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const { spinning, sSpinning } = this;
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if (sSpinning !== spinning) {
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this.setState({ sSpinning: spinning });
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}
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},
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cancelExistingSpin() {
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const { updateSpinning } = this;
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if (updateSpinning && updateSpinning.cancel) {
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updateSpinning.cancel();
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}
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},
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getChildren() {
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if (this.$slots && this.$slots.default) {
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return filterEmpty(this.$slots.default);
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}
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return null;
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},
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renderIndicator(h, prefixCls) {
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// const h = this.$createElement
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const dotClassName = `${prefixCls}-dot`;
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let indicator = getComponentFromProp(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 = filterEmpty(indicator);
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indicator = indicator.length === 1 ? indicator[0] : indicator;
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}
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if (isValidElement(indicator)) {
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return cloneElement(indicator, { class: dotClassName });
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}
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if (defaultIndicator && isValidElement(defaultIndicator(h))) {
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return cloneElement(defaultIndicator(h), { 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={`${prefixCls}-dot-item`} />
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</span>
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);
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},
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},
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render(h) {
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const {
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size,
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prefixCls: customizePrefixCls,
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tip,
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wrapperClassName,
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...restProps
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} = this.$props;
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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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};
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const spinElement = (
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<div {...restProps} class={spinClassName}>
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{this.renderIndicator(h, prefixCls)}
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{tip ? <div class={`${prefixCls}-text`}>{tip}</div> : null}
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</div>
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);
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const children = this.getChildren();
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if (children) {
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const containerClassName = {
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[`${prefixCls}-container`]: true,
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[`${prefixCls}-blur`]: sSpinning,
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};
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return (
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<div
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{...{ on: getListeners(this) }}
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class={[`${prefixCls}-nested-loading`, wrapperClassName]}
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>
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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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