Class LanguageManager

language_manager.py:13–144

Manages language switching and internationalization

class LanguageManager:
    """Manages language switching and internationalization"""
    
    def __init__(self, config_manager=None):
        self.config_manager = config_manager
        self.current_language = "zh_CN"  # Default language
        self.languages = {}
        self.available_languages = {
            "zh_CN": "简体中文",
            "en_US": "English"
        }
        
        # Load languages
        self._load_languages()
        
        # Set language from config if available
        if config_manager:
            saved_language = config_manager.get_setting("language", "zh_CN")
            self.set_language(saved_language)
    
    def _load_languages(self):
        """Load all available language files"""
        # 使用绝对路径确保跨平台兼容性
        languages_dir = Path(__file__).resolve().parent / "languages"
        
        for lang_code in self.available_languages.keys():
            lang_file = languages_dir / f"{lang_code}.json"
            if lang_file.exists():
                try:
                    with open(lang_file, 'r', encoding='utf-8') as f:
                        self.languages[lang_code] = json.load(f)
                except Exception as e:
                    print(f"Error loading language file {lang_file}: {e}")
                    # Fallback to empty dict
                    self.languages[lang_code] = {}
            else:
                print(f"Language file not found: {lang_file}")
                print(f"Expected path: {lang_file.resolve()}")
                self.languages[lang_code] = {}
    
    def set_language(self, language_code: str):
        """Set current language"""
        if language_code in self.available_languages:
            self.current_language = language_code
            
            # Save to config if available
            if self.config_manager:
                self.config_manager.set_setting("language", language_code)
        else:
            print(f"Unsupported language: {language_code}")
    
    def get_language(self) -> str:
        """Get current language code"""
        return self.current_language
    
    def get_available_languages(self) -> Dict[str, str]:
        """Get available languages dict"""
        return self.available_languages.copy()