How to use

getLocaleSelectVisible

method

in

com.haulmont.cuba.core.global.GlobalConfig

@GetMapping(value = "/locales", produces = "application/json; charset=UTF-8")
@ResponseBody
public LocalesInfo getLocales() {
  LocalesInfo localesInfo = new LocalesInfo();
  localesInfo.setLocaleSelectVisible(globalConfig.getLocaleSelectVisible());
  Map<String, String> locales = new LinkedHashMap<>();
  for (Map.Entry<String, Locale> entry : globalConfig.getAvailableLocales().entrySet()) {
    locales.put(entry.getValue().toLanguageTag(), entry.getKey());
  }
  localesInfo.setLocales(locales);
  return localesInfo;
}

protected Locale resolveLocale(@Nullable Locale requestLocale) {
  Map<String, Locale> locales = globalConfig.getAvailableLocales();
  if (globalConfig.getLocaleSelectVisible()) {
    String lastLocale = getCookieValue(COOKIE_LOCALE);
    if (lastLocale != null) {
      for (Locale locale : locales.values()) {
        if (locale.toLanguageTag().equals(lastLocale)) {
          return locale;
        }
      }
    }
  }
  if (requestLocale != null) {
    Locale requestTrimmedLocale = messageTools.trimLocale(requestLocale);
    if (locales.containsValue(requestTrimmedLocale)) {
      return requestTrimmedLocale;
    }
    // if not found and application locale contains country, try to match by language only
    if (!StringUtils.isEmpty(requestLocale.getCountry())) {
      Locale appLocale = Locale.forLanguageTag(requestLocale.getLanguage());
      for (Locale locale : locales.values()) {
        if (Locale.forLanguageTag(locale.getLanguage()).equals(appLocale)) {
          return locale;
        }
      }
    }
  }
  // return default locale
  return messageTools.getDefaultLocale();
}

protected Locale resolveLocale(HttpServletRequest req, Messages messages, GlobalConfig globalConfig) {
  Map<String, Locale> locales = globalConfig.getAvailableLocales();
  if (globalConfig.getLocaleSelectVisible()) {
    String lastLocale = getLocaleFromCookie(req);
    if (lastLocale != null) {
      for (Locale locale : locales.values()) {
        if (locale.toLanguageTag().equals(lastLocale)) {
          return locale;
        }
      }
    }
  }
  Locale requestLocale = req.getLocale();
  if (requestLocale != null) {
    Locale requestTrimmedLocale = messages.getTools().trimLocale(requestLocale);
    if (locales.containsValue(requestTrimmedLocale)) {
      return requestTrimmedLocale;
    }
    // if not found and application locale contains country, try to match by language only
    if (!StringUtils.isEmpty(requestLocale.getCountry())) {
      Locale appLocale = Locale.forLanguageTag(requestLocale.getLanguage());
      for (Locale locale : locales.values()) {
        if (Locale.forLanguageTag(locale.getLanguage()).equals(appLocale)) {
          return locale;
        }
      }
    }
  }
  return messages.getTools().getDefaultLocale();
}

  @Deprecated
  protected void copyParamsToCredentials(Map<String, Object> params, AbstractClientCredentials credentials) {
    // for compatibility only
    Object clientType = params.get(ClientType.class.getName());
    if (clientType != null && credentials.getClientType() == null) {
      credentials.setClientType(ClientType.valueOf((String) clientType));
    }
    Object clientInfo = params.get(SessionParams.CLIENT_INFO.getId());
    if (clientInfo != null && credentials.getClientInfo() == null) {
      credentials.setClientInfo((String) clientInfo);
    }
    Object ipAddress = params.get(SessionParams.IP_ADDRESS.getId());
    if (ipAddress != null && credentials.getIpAddress() == null) {
      credentials.setIpAddress((String) ipAddress);
    }
    Object hostName = params.get(SessionParams.HOST_NAME.getId());
    if (hostName != null) {
      credentials.setHostName((String) hostName);
    }
    if (!globalConfig.getLocaleSelectVisible()) {
      credentials.setOverrideLocale(false);
    }
  }
}

if (globalConfig.getLocaleSelectVisible() && auth.getLocale() != null) {
  Map<String, Locale> availableLocales = globalConfig.getAvailableLocales();
  Locale requestedLocale = Locale.forLanguageTag(auth.getLocale());

@Deprecated
protected void copyParamsToCredentials(Map<String, Object> params, AbstractClientCredentials credentials) {
  // for compatibility only
  Object clientType = params.get(ClientType.class.getName());
  if (clientType != null) {
    credentials.setClientType(ClientType.valueOf((String) clientType));
  }
  Object clientInfo = params.get(SessionParams.CLIENT_INFO.getId());
  if (clientInfo != null) {
    credentials.setClientInfo((String) clientInfo);
  }
  Object ipAddress = params.get(SessionParams.IP_ADDRESS.getId());
  if (ipAddress != null) {
    credentials.setIpAddress((String) ipAddress);
  }
  Object hostName = params.get(SessionParams.HOST_NAME.getId());
  if (hostName != null) {
    credentials.setHostName((String) hostName);
  }
  if (!globalConfig.getLocaleSelectVisible()) {
    credentials.setOverrideLocale(false);
  }
  RemoteClientInfo remoteClientInfo = RemoteClientInfo.get();
  if (remoteClientInfo != null) {
    String address = remoteClientInfo.getAddress();
    if (!trustedLoginHandler.checkAddress(address)) {
      credentials.setIpAddress(address);
    }
  }
}

Locale loggedInLocale = connection.getSession().getLocale();
if (globalConfig.getLocaleSelectVisible()) {
  app.addCookie(App.COOKIE_LOCALE, loggedInLocale.toLanguageTag());

protected void initLocales() {
  localesSelect.setOptionsMap(globalConfig.getAvailableLocales());
  localesSelect.setValue(app.getLocale());
  boolean localeSelectVisible = globalConfig.getLocaleSelectVisible();
  localesSelect.setVisible(localeSelectVisible);
  // if old layout is used
  Component localesSelectLabel = getComponent("localesSelectLabel");
  if (localesSelectLabel != null) {
    localesSelectLabel.setVisible(localeSelectVisible);
  }
  localesSelect.addValueChangeListener(e -> {
    Locale selectedLocale = (Locale) e.getValue();
    app.setLocale(selectedLocale);
    authInfoThreadLocal.set(new AuthInfo(loginField.getValue(), passwordField.getValue(),
        rememberMeCheckBox.getValue()));
    try {
      app.createTopLevelWindow();
    } finally {
      authInfoThreadLocal.set(null);
    }
  });
}