100 lines
3.0 KiB
Vue
100 lines
3.0 KiB
Vue
import classNames from 'classnames';
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import PropTypes from '../_util/vue-types';
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import {
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getOptionProps,
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initDefaultProps,
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filterEmpty,
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getComponentFromProp,
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} from '../_util/props-util';
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import { cloneElement } from '../_util/vnode';
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import TimelineItem from './TimelineItem';
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import Icon from '../icon';
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import { ConfigConsumerProps } from '../config-provider';
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export const TimelineProps = {
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prefixCls: PropTypes.string,
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/** 指定最后一个幽灵节点是否存在或内容 */
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pending: PropTypes.any,
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pendingDot: PropTypes.string,
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reverse: PropTypes.bool,
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mode: PropTypes.oneOf(['left', 'alternate', 'right']),
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};
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export default {
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name: 'ATimeline',
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props: initDefaultProps(TimelineProps, {
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reverse: false,
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}),
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inject: {
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configProvider: { default: () => ({}) },
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},
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render() {
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const { prefixCls: customizePrefixCls, reverse, mode, ...restProps } = getOptionProps(this);
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const getPrefixCls = this.configProvider.getPrefixCls || ConfigConsumerProps.getPrefixCls;
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const prefixCls = getPrefixCls('timeline', customizePrefixCls);
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const pendingDot = getComponentFromProp(this, 'pendingDot');
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const pending = getComponentFromProp(this, 'pending');
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const pendingNode = typeof pending === 'boolean' ? null : pending;
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const classString = classNames(prefixCls, {
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[`${prefixCls}-pending`]: !!pending,
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[`${prefixCls}-reverse`]: !!reverse,
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[`${prefixCls}-${mode}`]: !!mode,
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});
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const children = filterEmpty(this.$slots.default);
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// // Remove falsy items
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// const falsylessItems = filterEmpty(this.$slots.default)
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// const items = falsylessItems.map((item, idx) => {
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// return cloneElement(item, {
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// props: {
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// last: falsylessItems.length - 1 === idx,
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// },
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// })
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// })
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const pendingItem = !!pending ? (
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<TimelineItem pending={!!pending}>
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<template slot="dot">{pendingDot || <Icon type="loading" />}</template>
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{pendingNode}
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</TimelineItem>
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) : null;
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const timeLineItems = !!reverse
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? [pendingItem, ...children.reverse()]
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: [...children, pendingItem];
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// Remove falsy items
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const truthyItems = timeLineItems.filter(item => !!item);
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const itemsCount = truthyItems.length;
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const lastCls = `${prefixCls}-item-last`;
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const items = truthyItems.map((ele, idx) =>
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cloneElement(ele, {
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class: classNames([
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!reverse && !!pending
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? idx === itemsCount - 2
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? lastCls
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: ''
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: idx === itemsCount - 1
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? lastCls
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: '',
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mode === 'alternate'
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? idx % 2 === 0
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? `${prefixCls}-item-left`
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: `${prefixCls}-item-right`
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: mode === 'right'
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? `${prefixCls}-item-right`
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: '',
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]),
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}),
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);
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const timelineProps = {
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props: {
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...restProps,
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},
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class: classString,
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on: this.$listeners,
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};
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return <ul {...timelineProps}>{items}</ul>;
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},
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};
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