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import React, { useState } from 'react'; |
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import { AppstoreOutlined, MailOutlined, SettingOutlined } from '@ant-design/icons'; |
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import type { MenuProps } from 'antd'; |
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import { Menu } from 'antd'; |
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type MenuItem = Required<MenuProps>['items'][number]; |
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const items: MenuItem[] = [ |
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{ |
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key: '1', |
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icon: <MailOutlined />, |
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label: 'Navigation One', |
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children: [ |
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{ key: '11', label: 'Option 1' }, |
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{ key: '12', label: 'Option 2' }, |
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{ key: '13', label: 'Option 3' }, |
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{ key: '14', label: 'Option 4' }, |
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], |
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}, |
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{ |
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key: '2', |
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icon: <AppstoreOutlined />, |
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label: 'Navigation Two', |
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children: [ |
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{ key: '21', label: 'Option 1' }, |
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{ key: '22', label: 'Option 2' }, |
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{ |
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key: '23', |
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label: 'Submenu', |
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children: [ |
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{ key: '231', label: 'Option 1' }, |
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{ key: '232', label: 'Option 2' }, |
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{ key: '233', label: 'Option 3' }, |
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], |
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}, |
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{ |
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key: '24', |
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label: 'Submenu 2', |
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children: [ |
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{ key: '241', label: 'Option 1' }, |
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{ key: '242', label: 'Option 2' }, |
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{ key: '243', label: 'Option 3' }, |
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], |
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}, |
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], |
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}, |
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{ |
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key: '3', |
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icon: <SettingOutlined />, |
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label: 'Navigation Three', |
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children: [ |
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{ key: '31', label: 'Option 1' }, |
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{ key: '32', label: 'Option 2' }, |
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{ key: '33', label: 'Option 3' }, |
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{ key: '34', label: 'Option 4' }, |
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], |
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}, |
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]; |
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interface LevelKeysProps { |
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key?: string; |
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children?: LevelKeysProps[]; |
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} |
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const getLevelKeys = (items1: LevelKeysProps[]) => { |
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const key: Record<string, number> = {}; |
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const func = (items2: LevelKeysProps[], level = 1) => { |
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items2.forEach((item) => { |
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if (item.key) { |
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key[item.key] = level; |
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} |
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if (item.children) { |
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func(item.children, level + 1); |
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} |
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}); |
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}; |
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func(items1); |
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return key; |
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}; |
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const levelKeys = getLevelKeys(items as LevelKeysProps[]); |
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const App: React.FC = () => { |
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const [stateOpenKeys, setStateOpenKeys] = useState(['2', '23']); |
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const onOpenChange: MenuProps['onOpenChange'] = (openKeys) => { |
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const currentOpenKey = openKeys.find((key) => stateOpenKeys.indexOf(key) === -1); |
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if (currentOpenKey !== undefined) { |
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const repeatIndex = openKeys |
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.filter((key) => key !== currentOpenKey) |
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.findIndex((key) => levelKeys[key] === levelKeys[currentOpenKey]); |
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setStateOpenKeys( |
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openKeys |
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.filter((_, index) => index !== repeatIndex) |
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.filter((key) => levelKeys[key] <= levelKeys[currentOpenKey]), |
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); |
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} else { |
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setStateOpenKeys(openKeys); |
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} |
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}; |
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return ( |
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<Menu |
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mode="inline" |
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defaultSelectedKeys={['231']} |
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openKeys={stateOpenKeys} |
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onOpenChange={onOpenChange} |
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style={{ width: 256 }} |
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items={items} |
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/> |
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); |
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}; |
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export default App; |
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