65 lines
2.0 KiB
React
65 lines
2.0 KiB
React
import React, { useState, useRef, useEffect } from 'react';
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import './Dropdown.css';
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/**
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* Aurora Admin Dropdown（React）
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* 对齐 组件2.txt Dropdown 规范：触发器点击展开、菜单项高32px、内边距左右12px、悬停 #F5F7FA、危险项 #F5222D、面板圆角6px/阴影中/最小宽120px
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* items: [{ key, label, danger?, disabled?, divider?, icon? }]
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*/
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export default function Dropdown({ items = [], trigger = '操作', onSelect }) {
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const [open, setOpen] = useState(false);
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const rootRef = useRef(null);
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useEffect(() => {
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function onDocClick(e) {
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if (rootRef.current && !rootRef.current.contains(e.target)) setOpen(false);
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}
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document.addEventListener('click', onDocClick);
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return () => document.removeEventListener('click', onDocClick);
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}, []);
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const handleClick = (item) => {
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if (item.disabled || item.divider) return;
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onSelect && onSelect(item.key != null ? item.key : item.label);
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setOpen(false);
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};
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return (
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<div className="aa-dropdown" ref={rootRef}>
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<div className="aa-dropdown-trigger" onClick={() => setOpen((o) => !o)}>
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{trigger}
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</div>
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{open && (
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<div className="aa-dropdown-panel">
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{items.map((item, i) =>
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item.divider ? (
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<div key={`d${i}`} className="aa-dropdown-divider" />
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) : (
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<div
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key={item.key || i}
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className={`aa-dropdown-item${item.danger ? ' is-danger' : ''}${item.disabled ? ' is-disabled' : ''}`}
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onClick={() => handleClick(item)}
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>
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{item.icon && <span className="ico">{item.icon}</span>}
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{item.label}
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</div>
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)
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)}
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</div>
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)}
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</div>
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);
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}
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/*
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用法示例：
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import Dropdown from './Dropdown';
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const items = [
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{ key: 'edit', label: '编辑' },
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{ key: 'copy', label: '复制' },
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{ divider: true },
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{ key: 'delete', label: '删除', danger: true }
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];
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<Dropdown items={items} onSelect={(k) => console.log(k)} />
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*/
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