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60 lines
1.9 KiB
TypeScript
60 lines
1.9 KiB
TypeScript
import * as React from 'react';
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import classNames from 'classnames';
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import LoadingOutlined from '@ant-design/icons/LoadingOutlined';
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import FileOutlined from '@ant-design/icons/FileOutlined';
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import MinusSquareOutlined from '@ant-design/icons/MinusSquareOutlined';
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import PlusSquareOutlined from '@ant-design/icons/PlusSquareOutlined';
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import CaretDownFilled from '@ant-design/icons/CaretDownFilled';
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import type { AntTreeNodeProps, SwitcherIcon } from '../Tree';
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import { isValidElement, cloneElement } from '../../_util/reactNode';
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export default function renderSwitcherIcon(
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prefixCls: string,
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switcherIcon: SwitcherIcon,
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showLine: boolean | { showLeafIcon: boolean } | undefined,
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treeNodeProps: AntTreeNodeProps,
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): React.ReactNode {
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const { isLeaf, expanded, loading } = treeNodeProps;
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if (loading) {
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return <LoadingOutlined className={`${prefixCls}-switcher-loading-icon`} />;
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}
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let showLeafIcon;
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if (showLine && typeof showLine === 'object') {
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showLeafIcon = showLine.showLeafIcon;
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}
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if (isLeaf) {
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if (showLine) {
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if (typeof showLine === 'object' && !showLeafIcon) {
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return <span className={`${prefixCls}-switcher-leaf-line`} />;
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}
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return <FileOutlined className={`${prefixCls}-switcher-line-icon`} />;
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}
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return null;
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}
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const switcherCls = `${prefixCls}-switcher-icon`;
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const switcher =
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typeof switcherIcon === 'function' ? switcherIcon({ expanded: !!expanded }) : switcherIcon;
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if (isValidElement(switcher)) {
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return cloneElement(switcher, {
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className: classNames(switcher.props.className || '', switcherCls),
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});
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}
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if (switcher) {
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return switcher;
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}
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if (showLine) {
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return expanded ? (
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<MinusSquareOutlined className={`${prefixCls}-switcher-line-icon`} />
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) : (
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<PlusSquareOutlined className={`${prefixCls}-switcher-line-icon`} />
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);
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}
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return <CaretDownFilled className={switcherCls} />;
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}
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