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// src/components/Header.jsx
import React, { useState, useEffect, useRef } from 'react';
import { NavLink, useNavigate } from 'react-router-dom';
import LanguageSelector from './LanguageSelector';
import { useTranslation } from '../js/i18n';
import logo from '/assets/logo.png';
function Header() {
const { t } = useTranslation();
const navigate = useNavigate();
const [user, setUser] = useState(null);
const [menuOpen, setMenuOpen] = useState(false);
const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
const menuRef = useRef(null);
// Check for user on component mount and localStorage changes
useEffect(() => {
const checkUser = () => {
try {
const userData = localStorage.getItem('user');
if (userData) {
setUser(JSON.parse(userData));
} else {
setUser(null);
}
} catch (error) {
console.error('Failed to parse user data');
setUser(null);
}
};
checkUser();
// Listen for storage events (in case user logs in/out in another tab)
window.addEventListener('storage', checkUser);
return () => window.removeEventListener('storage', checkUser);
}, []);
const toggleMenu = () => {
setMenuOpen(!menuOpen);
};
useEffect(() => {
const handleClickOutside = (event) => {
if (menuRef.current && !menuRef.current.contains(event.target)) {
setMenuOpen(false);
}
};
document.addEventListener('mousedown', handleClickOutside);
return () => {
document.removeEventListener('mousedown', handleClickOutside);
};
}, [menuRef]);
const handleLogout = () => {
localStorage.removeItem('user');
setUser(null);
navigate('/login');
setMobileMenuOpen(false);
};
const toggleMobileMenu = () => {
setMobileMenuOpen(!mobileMenuOpen);
};
const handleNavClick = () => {
setMobileMenuOpen(false);
};
// 添加键盘导航支持
const handleKeyDown = (e) => {
if (e.key === 'Escape') {
setMenuOpen(false);
setMobileMenuOpen(false);
}
};
// 添加焦点管理
useEffect(() => {
const handleFocusTrap = (e) => {
if (!mobileMenuOpen) return;
const mobileMenu = document.querySelector('[role="dialog"]');
const focusableElements = mobileMenu.querySelectorAll(
'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
);
const firstElement = focusableElements[0];
const lastElement = focusableElements[focusableElements.length - 1];
if (e.key === 'Tab') {
if (e.shiftKey && document.activeElement === firstElement) {
e.preventDefault();
lastElement.focus();
} else if (!e.shiftKey && document.activeElement === lastElement) {
e.preventDefault();
firstElement.focus();
}
}
};
document.addEventListener('keydown', handleKeyDown);
document.addEventListener('keydown', handleFocusTrap);
return () => {
document.removeEventListener('keydown', handleKeyDown);
document.removeEventListener('keydown', handleFocusTrap);
};
}, [mobileMenuOpen]);
// 处理滚动锁定
useEffect(() => {
if (mobileMenuOpen) {
document.body.style.overflow = 'hidden';
} else {
document.body.style.overflow = '';
}
return () => {
document.body.style.overflow = '';
};
}, [mobileMenuOpen]);
return (
<header className="fixed top-0 left-0 right-0 z-50">
<div className="absolute inset-0 bg-white/70 backdrop-blur-lg border-b border-gray-100"></div>
<nav
className="relative max-w-7xl mx-auto px-4 sm:px-6 lg:px-8"
role="navigation"
aria-label={t('navigation.main')}
>
<div className="flex justify-between items-center h-20">
<div className="flex items-center">
<div className="flex-shrink-0 mr-8">
<NavLink
to="/"
className="flex items-center space-x-3 group"
aria-label={t('navigation.home')}
>
<img
src={logo}
alt={t('logo.alt')}
className="w-10 h-10 object-contain transition transform group-hover:scale-105"
width="40"
height="40"
loading="eager"
/>
<span className="text-xl font-semibold bg-gradient-to-r from-indigo-500/90 to-indigo-600/80 bg-clip-text text-transparent">
{t('title')}
</span>
</NavLink>
</div>
<div className="hidden md:flex items-center space-x-6">
<NavLink
to="/dev-tools"
className={({isActive}) =>
`px-3 py-2 text-base font-medium transition-all duration-200 border-b-2 ${
isActive
? 'text-indigo-500 border-indigo-500'
: 'text-gray-600 border-transparent hover:text-indigo-500 hover:border-indigo-500'
}`
}
>
{t('dev-tools.title')}
</NavLink>
<NavLink
to="/image-tools"
className={({isActive}) =>
`px-3 py-2 text-base font-medium transition-all duration-200 border-b-2 ${
isActive
? 'text-indigo-500 border-indigo-500'
: 'text-gray-600 border-transparent hover:text-indigo-500 hover:border-indigo-500'
}`
}
onClick={handleNavClick}
>
{t('image-tools.title')}
</NavLink>
<NavLink
to="/translator"
className={({isActive}) =>
`px-3 py-2 text-base font-medium transition-all duration-200 border-b-2 ${
isActive
? 'text-indigo-500 border-indigo-500'
: 'text-gray-600 border-transparent hover:text-indigo-500 hover:border-indigo-500'
}`
}
onClick={handleNavClick}
>
{t('translator.title')}
</NavLink>
<NavLink
to="/ai-products"
className={({isActive}) =>
`px-3 py-2 text-base font-medium transition-all duration-200 border-b-2 ${
isActive
? 'text-indigo-500 border-indigo-500'
: 'text-gray-600 border-transparent hover:text-indigo-500 hover:border-indigo-500'
}`
}
onClick={handleNavClick}
>
{t('ai-products.title')}
</NavLink>
<NavLink
to="/blog"
className={({isActive}) =>
`px-3 py-2 text-base font-medium transition-all duration-200 border-b-2 ${
isActive
? 'text-indigo-500 border-indigo-500'
: 'text-gray-600 border-transparent hover:text-indigo-500 hover:border-indigo-500'
}`
}
onClick={handleNavClick}
>
{t('blog.title')}
</NavLink>
</div>
</div>
<div className="flex items-center space-x-4">
<LanguageSelector />
{user ? (
<div className="relative" ref={menuRef}>
<button
onClick={toggleMenu}
className="flex items-center space-x-3 focus:outline-none"
>
<img
src={user.picture}
alt="User Avatar"
className="w-8 h-8 sm:w-10 sm:h-10 rounded-full ring-2 ring-offset-2 ring-indigo-500 transition transform hover:scale-105"
/>
</button>
{menuOpen && (
<div className="absolute right-0 mt-2 w-48 rounded-lg shadow-lg bg-white ring-1 ring-black ring-opacity-5 py-1 focus:outline-none">
<button
onClick={handleLogout}
className="w-full text-left px-4 py-2 text-sm text-gray-700 hover:bg-indigo-50 hover:text-indigo-600 transition-colors duration-150"
>
{t('logout')}
</button>
</div>
)}
</div>
) : (
<NavLink
to="/login"
className="hidden sm:inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-lg text-white bg-indigo-600 hover:bg-indigo-700 transition-colors duration-200 shadow-sm hover:shadow-md"
>
{t('login')}
</NavLink>
)}
</div>
<button
className="md:hidden p-2 rounded-md text-gray-600 hover:text-gray-900 hover:bg-gray-100 transition-colors duration-200"
onClick={toggleMobileMenu}
aria-expanded={mobileMenuOpen}
aria-controls="mobile-menu"
aria-label={mobileMenuOpen ? t('navigation.close') : t('navigation.menu')}
>
<span className="sr-only">
{mobileMenuOpen ? t('navigation.close') : t('navigation.menu')}
</span>
<svg
className="w-6 h-6"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
aria-hidden="true"
>
{mobileMenuOpen ? (
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
) : (
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
)}
</svg>
</button>
<div
id="mobile-menu"
role="dialog"
aria-label={t('navigation.mobile_menu')}
aria-modal="true"
className={`md:hidden fixed inset-0 z-40 transform ${
mobileMenuOpen ? 'translate-x-0' : 'translate-x-full'
} transition-transform duration-300 ease-in-out`}
>
<div
className="fixed inset-0 bg-gray-600 bg-opacity-75 transition-opacity"
aria-hidden="true"
onClick={() => setMobileMenuOpen(false)}
/>
<nav
className="relative flex flex-col h-full w-full max-w-sm ml-auto bg-white shadow-xl"
role="navigation"
aria-label={t('navigation.mobile')}
>
<div className="flex items-center justify-between p-4 border-b border-gray-200">
<span className="text-lg font-semibold text-gray-800">{t('navigation.menu')}</span>
<button
onClick={() => setMobileMenuOpen(false)}
className="p-2 rounded-md text-gray-600 hover:text-gray-900 hover:bg-gray-100"
aria-label={t('navigation.close')}
>
<svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
</svg>
</button>
</div>
<div className="flex-1 overflow-y-auto">
<div className="px-2 pt-2 pb-3 space-y-1">
<NavLink
to="/dev-tools"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
{t('dev-tools.title')}
</NavLink>
<NavLink
to="/image-tools"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
{t('image-tools.title')}
</NavLink>
<NavLink
to="/translator"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
翻译工具
</NavLink>
<NavLink
to="/document-translator"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
{t('documentTranslator.title', 'PDF Translator')}
</NavLink>
<NavLink
to="/ai-products"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
{t('ai-products.title')}
</NavLink>
<NavLink
to="/blog"
className={({isActive}) =>
`block px-4 py-3 rounded-lg text-base font-medium transition-colors duration-200 ${
isActive
? 'bg-indigo-50 text-indigo-600'
: 'text-gray-700 hover:bg-gray-50 hover:text-indigo-600'
}`
}
onClick={() => setMobileMenuOpen(false)}
>
{t('blog.title')}
</NavLink>
</div>
</div>
<div className="border-t border-gray-200 p-4">
{!user && (
<NavLink
to="/login"
className="flex items-center justify-center px-4 py-2 border border-transparent text-base font-medium rounded-lg text-white bg-indigo-600 hover:bg-indigo-700 transition-colors duration-200 shadow-sm hover:shadow-md w-full"
onClick={() => setMobileMenuOpen(false)}
>
{t('login')}
</NavLink>
)}
</div>
</nav>
</div>
</div>
</nav>
</header>
);
}
export default Header;