public static RadioViewModel GetInstance()
{
lock (_instanceLock)
{
if (_instance == null)
{
_instance = new RadioViewModel();
}
}
return(_instance);
}
public SpectrumViewModel(RadioViewModel radioViewModel, ISpectrumAnalyzer spectrumAnalyzer)
{
_radioViewModel = radioViewModel;
SpectrumAnalyzer = spectrumAnalyzer;
Resolutions = new ObservableCollection <ResolutionBandwidth>();
for (uint i = 0; i < 8; i++)
{
Resolutions.Add(new ResolutionBandwidth()
{
Resolution = Extensions.Pow(2, i)
});
}
if (SpectrumAnalyzer != null)
{
SpectrumAnalyzer.BandwidthChanged += (range, value) =>
{
if (_updating)
{
return;
}
// var shift = TransformFromChartSamples(value);
// var bandwidth = TransformFromChartSamples(range.End) - TransformFromChartSamples(range.Start);
var shift = value;
var bandwidth = range.End - range.Start;
if ((shift >= long.MinValue && shift <= long.MaxValue) &&
(bandwidth >= uint.MinValue && bandwidth <= uint.MaxValue))
{
Shift = (long)shift;
Bandwidth = (uint)bandwidth;
Update();
}
};
SpectrumAnalyzer.NotchChanged += (range, value) =>
{
var bandwidth = range.End - range.Start;
};
}
}
public IfSpectrumViewModel(RadioViewModel radioViewModel, ISpectrumAnalyzer spectrumAnalyzer)
: base(radioViewModel, spectrumAnalyzer)
{
SelectedResolution = Resolutions.ToArray <ResolutionBandwidth>()[3];
}
public Ddc1SpectrumViewModel(RadioViewModel radioViewModel, Arction.ISpectrumAnalyzer spectrumAnalyzer)
: base(radioViewModel, spectrumAnalyzer)
{
SelectedResolution = Resolutions.ToArray <ResolutionBandwidth>()[4];
}