public BarcodeHandler(UserControl control, NotifyValue <Settings> settings)
{
this.settings = settings;
control.PreviewKeyDown += (sender, args) => {
args.Handled = KeyboardInput(KeyboardHelper.KeyToUnicode(args.Key));
};
}
public static PersistedValue Create <T>(NotifyValue <T> value, string key)
{
return(new PersistedValue {
DefaultValue = value.Value,
Key = key,
Getter = () => value.Value,
Setter = v => value.Value = (T)ViewPersister.ConvertJsonValue(v, typeof(T)),
});
}
public static IObservable <T> ToObservable <T>(this NotifyValue <T> self)
{
return(Observable.FromEventPattern <PropertyChangedEventArgs>(self, "PropertyChanged")
.Where(e => e.EventArgs.PropertyName == "Value")
.Select(e => ((NotifyValue <T>)e.Sender).Value));
}
public static IObservable <EventPattern <PropertyChangedEventArgs> > Changed <T>(this NotifyValue <T> self)
{
return(Observable.FromEventPattern <PropertyChangedEventArgs>(self, "PropertyChanged")
.Where(e => e.EventArgs.PropertyName == "Value"));
}
