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feat(dashboard): add Chinese translations #150

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67 changes: 67 additions & 0 deletions dashboard/src/components/Layout.css
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Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,64 @@
color: var(--text-primary);
}

.language-menu {
position: relative;
}

.language-menu .theme-toggle-btn {
width: 100%;
}

.language-menu-list {
position: absolute;
left: 0;
right: 0;
bottom: calc(100% + 0.35rem);
display: flex;
flex-direction: column;
gap: 0.15rem;
min-width: 160px;
padding: 0.3rem;
background: var(--bg-white);
border: 1px solid var(--border);
border-radius: var(--radius);
box-shadow: 0 10px 30px rgba(15, 23, 42, 0.16);
z-index: 120;
}

.language-menu-item {
display: flex;
align-items: center;
width: 100%;
min-height: 34px;
padding: 0.45rem 0.6rem;
color: var(--text-secondary);
background: transparent;
border: 0;
border-radius: calc(var(--radius) - 2px);
font-size: 0.875rem;
font-weight: 500;
text-align: left;
cursor: pointer;
transition: all 0.2s;
}

.language-menu-item:hover {
background: var(--bg-light);
color: var(--text-primary);
}

.language-menu-item.active {
background: rgba(37, 211, 102, 0.1);
color: var(--primary);
}

.sidebar.collapsed .language-menu-list {
right: auto;
left: calc(100% + 0.5rem);
bottom: 0;
}

.logout-btn {
display: flex;
align-items: center;
Expand Down Expand Up @@ -352,6 +410,15 @@
transform: scaleX(-1);
}

[dir="rtl"] .language-menu-item {
text-align: right;
}

[dir="rtl"] .sidebar.collapsed .language-menu-list {
right: calc(100% + 0.5rem);
left: auto;
}

[dir="rtl"] .main-content {
margin-left: 0;
margin-right: 260px;
Expand Down
74 changes: 57 additions & 17 deletions dashboard/src/components/Layout.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { useState, useEffect } from 'react';
import { useState, useEffect, useRef } from 'react';
import { NavLink, Outlet } from 'react-router-dom';
import { useTranslation } from 'react-i18next';
import {
Expand All @@ -22,7 +22,7 @@ import {
} from 'lucide-react';
import { useTheme } from '../hooks/useTheme';
import { type UserRole } from '../hooks/useRole';
import { supportedLanguages, type SupportedLanguage } from '../i18n';
import { languageOptions, resolveSupportedLanguage, type SupportedLanguage } from '../i18n';
import './Layout.css';

interface LayoutProps {
Expand Down Expand Up @@ -54,6 +54,8 @@ export function Layout({ onLogout, userRole }: LayoutProps) {
const [isCollapsed, setIsCollapsed] = useState(false);
const [isMobileOpen, setIsMobileOpen] = useState(false);
const [isMobile, setIsMobile] = useState(window.innerWidth < 768);
const [isLanguageMenuOpen, setIsLanguageMenuOpen] = useState(false);
const languageMenuRef = useRef<HTMLDivElement>(null);

useEffect(() => {
const handleResize = () => {
Expand All @@ -76,16 +78,35 @@ export function Layout({ onLogout, userRole }: LayoutProps) {
};
}, [isMobileOpen]);

useEffect(() => {
if (!isLanguageMenuOpen) return;

const closeOnOutsideClick = (event: MouseEvent) => {
if (!languageMenuRef.current?.contains(event.target as Node)) {
setIsLanguageMenuOpen(false);
}
};
const closeOnEscape = (event: KeyboardEvent) => {
if (event.key === 'Escape') setIsLanguageMenuOpen(false);
};

document.addEventListener('mousedown', closeOnOutsideClick);
document.addEventListener('keydown', closeOnEscape);
return () => {
document.removeEventListener('mousedown', closeOnOutsideClick);
document.removeEventListener('keydown', closeOnEscape);
};
}, [isLanguageMenuOpen]);

const toggleCollapse = () => setIsCollapsed(!isCollapsed);
const toggleMobile = () => setIsMobileOpen(!isMobileOpen);

const currentLang = (i18n.resolvedLanguage || i18n.language || 'en').split('-')[0] as SupportedLanguage;
const cycleLanguage = () => {
const idx = supportedLanguages.indexOf(currentLang);
const next = supportedLanguages[(idx + 1) % supportedLanguages.length];
void i18n.changeLanguage(next);
const currentLang = resolveSupportedLanguage(i18n.resolvedLanguage || i18n.language);
const languageLabel = languageOptions.find(option => option.value === currentLang)?.compactLabel ?? 'EN';
const changeLanguage = (language: SupportedLanguage) => {
setIsLanguageMenuOpen(false);
void i18n.changeLanguage(language);
};
const languageLabel = currentLang === 'he' ? 'עברית' : 'EN';
const isRtl = currentLang === 'he';

return (
Expand Down Expand Up @@ -151,15 +172,34 @@ export function Layout({ onLogout, userRole }: LayoutProps) {
</nav>

<div className="sidebar-footer">
<button
className="theme-toggle-btn"
onClick={cycleLanguage}
title={t('common.language')}
aria-label={t('common.language')}
>
<Languages size={18} />
{!isCollapsed && <span>{languageLabel}</span>}
</button>
<div className="language-menu" ref={languageMenuRef}>
<button
className="theme-toggle-btn"
onClick={() => setIsLanguageMenuOpen(open => !open)}
title={t('common.language')}
aria-label={t('common.language')}
aria-haspopup="menu"
aria-expanded={isLanguageMenuOpen}
>
<Languages size={18} />
{!isCollapsed && <span>{languageLabel}</span>}
</button>
{isLanguageMenuOpen && (
<div className="language-menu-list" role="menu" aria-label={t('common.language')}>
{languageOptions.map(option => (
<button
key={option.value}
className={`language-menu-item ${option.value === currentLang ? 'active' : ''}`}
onClick={() => changeLanguage(option.value)}
role="menuitemradio"
aria-checked={option.value === currentLang}
>
<span>{option.label}</span>
</button>
))}
</div>
)}
</div>
<button
className="theme-toggle-btn"
onClick={toggleTheme}
Expand Down
38 changes: 33 additions & 5 deletions dashboard/src/i18n/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,37 +3,65 @@ import { initReactI18next } from 'react-i18next';
import LanguageDetector from 'i18next-browser-languagedetector';
import en from './locales/en.json';
import he from './locales/he.json';
import zhCN from './locales/zh-CN.json';
import zhHK from './locales/zh-HK.json';

export const supportedLanguages = ['en', 'he'] as const;
export const supportedLanguages = ['en', 'he', 'zh-CN', 'zh-HK'] as const;
export type SupportedLanguage = (typeof supportedLanguages)[number];

export const rtlLanguages: SupportedLanguage[] = ['he'];

export const languageOptions: Array<{ value: SupportedLanguage; label: string; compactLabel: string }> = [
{ value: 'en', label: 'English', compactLabel: 'EN' },
{ value: 'he', label: 'עברית', compactLabel: 'עברית' },
{ value: 'zh-CN', label: '简体中文', compactLabel: '简中' },
{ value: 'zh-HK', label: '繁體中文', compactLabel: '繁中' },
];

export function resolveSupportedLanguage(lang?: string): SupportedLanguage {
const value = lang || 'en';
const exact = supportedLanguages.find(supported => supported.toLowerCase() === value.toLowerCase());
if (exact) return exact;

const parts = value.toLowerCase().split('-');
const base = parts[0];
if (base === 'zh') {
const subtags = new Set(parts.slice(1));
if (subtags.has('hant') || subtags.has('hk') || subtags.has('mo') || subtags.has('tw')) return 'zh-HK';
return 'zh-CN';
}

return supportedLanguages.find(supported => supported === base) ?? 'en';
}

void i18n
.use(LanguageDetector)
.use(initReactI18next)
.init({
resources: {
en: { translation: en },
he: { translation: he },
'zh-CN': { translation: zhCN },
'zh-HK': { translation: zhHK },
},
fallbackLng: 'en',
supportedLngs: supportedLanguages as unknown as string[],
nonExplicitSupportedLngs: true,
nonExplicitSupportedLngs: false,
interpolation: { escapeValue: false },
detection: {
order: ['localStorage', 'navigator'],
lookupLocalStorage: 'openwa_language',
caches: ['localStorage'],
convertDetectedLanguage: (lang: string) => resolveSupportedLanguage(lang),
},
react: { useSuspense: false },
});

function applyDirection(lang: string) {
const base = (lang || 'en').split('-')[0] as SupportedLanguage;
const dir = rtlLanguages.includes(base) ? 'rtl' : 'ltr';
const resolved = resolveSupportedLanguage(lang);
const dir = rtlLanguages.includes(resolved) ? 'rtl' : 'ltr';
if (typeof document !== 'undefined') {
document.documentElement.lang = base;
document.documentElement.lang = resolved;
document.documentElement.dir = dir;
}
}
Expand Down
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