Header.jsx 15.7 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
// 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;