public SettingsViewModel(IScreen screen, AppSettingsService?settingsService = null) : base(screen, "settings")
{
this.settingsService = settingsService ?? Locator.Current.GetService <AppSettingsService>();
SavedSettings = this.settingsService.GetSettings();
SelectDirectory = ReactiveCommand.CreateFromObservable(() => GetDirectory.Handle(SoulstormDirectory));
SelectDirectory.Where(dir => dir != null)
.ToPropertyEx(this, x => x.SoulstormDirectory, initialValue: SavedSettings.InstallLocation);
IObservable <bool> canSave = this.WhenAnyValue(x => x.SoulstormDirectory, x => x.SavedSettings,
(dir, settings) => !string.Equals(settings.InstallLocation, dir, StringComparison.OrdinalIgnoreCase))
.DistinctUntilChanged();
SaveSettings = ReactiveCommand.Create(() =>
{
SavedSettings = new AppSettings()
{
InstallLocation = SoulstormDirectory
};
this.settingsService.SaveSettings(SavedSettings);
}, canSave);
}
