/// <summary>
/// Attempts to retrieve a language option from the <seealso cref="Settingsmodel"/> and
/// falls back to alternive default options if retrieval of option value fails.
/// </summary>
/// <param name="service"></param>
/// <param name="OptGroup"></param>
/// <param name="languageOptionName">The name of the option in the SettingsModel eg.: "SourceLanguage"</param>
/// <param name="defaultLanguageOptionName">The name of the default option in the SettingsModel eg.: "DefaultSourceLanguage"</param>
/// <param name="defaultLanguageListIndex">Index of default language in list of languages if everything else fails.</param>
/// <returns></returns>
private ILanguageCode GetLanguageOptionFromModel(ITranslator service,
IOptionGroup OptGroup,
string languageOptionName,
string defaultLanguageOptionName,
int defaultLanguageListIndex)
{
ILanguageCode ret = null;
ret = service.LanguageList.SingleOrDefault(
item => item.Bcp47_LangCode == OptGroup.GetValue <string>(languageOptionName));
// Select defaults if there was no data to be had
if (ret == null)
{
ret = service.LanguageList.SingleOrDefault(
item => item.Bcp47_LangCode == OptGroup.GetValue <string>(defaultLanguageOptionName));
}
// Attach to first entry in language list if default source language is not set
if (ret == null)
{
ret = service.LanguageList[defaultLanguageListIndex];
}
return(ret);
}
/// <summary>
/// Reset the view model to those options that are going to be presented for editing.
/// </summary>
/// <param name="settingData"></param>
private void LoadOptionsFromModel(IOptionGroup optGroup)
{
SecureString securePassword = optGroup.GetValue <SecureString>("MSTranslate.TranslationServicePassword");
SecureString secureUser = optGroup.GetValue <SecureString>("MSTranslate.TranslationServiceUser");
mReloadFilesOnAppStart = optGroup.GetValue <bool>("ReloadOpenFilesFromLastSession");
mMSTranslateService = new TranslationService
(
optGroup.GetValue <string>("MSTranslate.TranslationServiceUri"),
secureUser, securePassword
);
var settings = GetService <ISettingsManager>();
// Initialize localization settings
Languages = new List <LanguageCollection>(settings.GetSupportedLanguages());
// Set default language to make sure app neutral is selected and available for sure
// (this is a fallback if all else fails)
try
{
var langOpt = optGroup.GetValue <string>("LanguageSelected");
LanguageSelected = Languages.FirstOrDefault(lang => lang.BCP47 == langOpt);
if (LanguageSelected == null)
{
LanguageSelected = Languages[0];
}
}
catch
{
}
var service = GetService <ITranslator>();
DefaultSourceLanguageSelected =
GetLanguageOptionFromModel(service, optGroup, "DefaultSourceLanguage", "DefaultSourceLanguage", 0);
DefaultTargetLanguageSelected =
GetLanguageOptionFromModel(service, optGroup, "DefaultTargetLanguage", "DefaultTargetLanguage", 1);
// get copy of actual value and min, max value definitions from model into viewmodel
IconSize = optGroup.GetValue <int>("DefaultIconSize");
IconSizeMax = settings.IconSizeMax;
IconSizeMin = settings.IconSizeMin;
ColorGridOption = optGroup.GetValue <bool>("ColorGridOption");
AlternatingColor = optGroup.GetValue <Color>("AlternatingGridColor");
}
