Files
page-agent/pages/components/LanguageSwitcher.tsx
2025-10-22 22:35:25 +08:00

116 lines
3.3 KiB
TypeScript

import { useEffect, useRef, useState } from 'react'
import { useTranslation } from 'react-i18next'
export default function LanguageSwitcher() {
const { i18n, t } = useTranslation('common')
const [isOpen, setIsOpen] = useState(false)
const dropdownRef = useRef<HTMLDivElement>(null)
const currentLang = i18n.language
const languages = [
{ code: 'zh-CN', label: '中文' },
{ code: 'en-US', label: 'English' },
]
const currentLanguage = languages.find((lang) => lang.code === currentLang) || languages[0]
const handleLanguageChange = (langCode: string) => {
i18n.changeLanguage(langCode)
setIsOpen(false)
}
// Close dropdown when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (dropdownRef.current && !dropdownRef.current.contains(event.target as Node)) {
setIsOpen(false)
}
}
if (isOpen) {
document.addEventListener('mousedown', handleClickOutside)
}
return () => {
document.removeEventListener('mousedown', handleClickOutside)
}
}, [isOpen])
return (
<div className="relative" ref={dropdownRef}>
<button
onClick={() => setIsOpen(!isOpen)}
className="flex items-center gap-2 px-3 py-1.5 rounded-lg bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-700 transition-colors text-sm font-medium border border-gray-200 dark:border-gray-700 text-gray-700 dark:text-gray-300"
aria-label={t('language.switch_label')}
aria-expanded={isOpen}
aria-haspopup="true"
>
<svg
className="w-4 h-4"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
aria-hidden="true"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M3 5h12M9 3v2m1.048 9.5A18.022 18.022 0 016.412 9m6.088 9h7M11 21l5-10 5 10M12.751 5C11.783 10.77 8.07 15.61 3 18.129"
/>
</svg>
<span>{currentLanguage.label}</span>
<svg
className={`w-4 h-4 transition-transform duration-200 ${isOpen ? 'rotate-180' : ''}`}
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
aria-hidden="true"
>
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
</svg>
</button>
{isOpen && (
<div
className="absolute right-0 mt-2 w-40 bg-white dark:bg-gray-800 rounded-lg shadow-lg border border-gray-200 dark:border-gray-700 py-1 z-50"
role="menu"
aria-orientation="vertical"
>
{languages.map((lang) => (
<button
key={lang.code}
onClick={() => handleLanguageChange(lang.code)}
className={`w-full flex items-center gap-2 px-4 py-2 text-sm text-left hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors ${
currentLang === lang.code
? 'bg-blue-50 dark:bg-blue-900/20 text-blue-700 dark:text-blue-300'
: 'text-gray-700 dark:text-gray-300'
}`}
role="menuitem"
>
<span>{lang.label}</span>
{currentLang === lang.code && (
<svg
className="w-4 h-4 ml-auto"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
aria-hidden="true"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M5 13l4 4L19 7"
/>
</svg>
)}
</button>
))}
</div>
)}
</div>
)
}