ant-design/components/menu/demo/sider-current.tsx
2024-04-23 11:01:38 +08:00

120 lines
2.9 KiB
TypeScript

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