/// <summary>
/// To Manually raise CurrentLanguageChanging and CurrentLanguageChanged events.
/// Force events even if the current language didn't changed.
/// </summary>
public void RaiseLanguageChangeEvents()
{
var changingArgs = new CurrentLanguageChangingEventArgs(currentLanguage, currentLanguage);
var changedArgs = new CurrentLanguageChangedEventArgs(currentLanguage, currentLanguage);
CurrentLanguageChanging?.Invoke(this, changingArgs);
if (!changingArgs.Cancel)
{
CurrentLanguageChanged?.Invoke(this, changedArgs);
NotifyPropertyChanged(nameof(CurrentLanguage));
}
}
/// <summary>
/// Attempts to change the <see cref="CurrentLanguage"/> to a new language.
/// </summary>
/// <param name="newLanguage">The name of the language to change to.</param>
/// <returns>True if the language was successfully changed; false if the language was already set to the <paramref name="newLanguage"/>
/// or the <paramref name="newLanguage"/> does not exist or is invalid.</returns>
public static bool TryChangeCurrentLanguage(string newLanguage)
{
if (string.IsNullOrEmpty(newLanguage))
{
Debug.Fail("Invalid newLanguage value.");
return(false);
}
GameMessageCollection newLanguageCollection;
// Try to create the GameMessageCollection for the new language
try
{
newLanguageCollection = Create(newLanguage);
}
catch (Exception ex)
{
const string errmsg = "Failed to change language to `{0}`. Exception: {1}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, newLanguage, ex);
}
Debug.Fail(string.Format(errmsg, newLanguage, ex));
return(false);
}
// Change to the new language
GameMessageCollection oldLanguage;
lock (_currentLanguageSync)
{
// Check if we are just changing to the same language
if (_currentLanguage == newLanguageCollection)
{
return(false);
}
oldLanguage = _currentLanguage;
_currentLanguage = newLanguageCollection;
}
// Raise the event
if (CurrentLanguageChanged != null)
{
CurrentLanguageChanged.Raise(null, ValueChangedEventArgs.Create(oldLanguage, _currentLanguage));
}
return(true);
}
private void Setting_CurrentLanguageChanged(object sender, LanguageChangedEventArgs e) => CurrentLanguageChanged?.Invoke(sender, e);
