/// <summary>
/// Initializes a new instance of the <see cref="TimeLineViewModel"/> class.
/// </summary>
public TimeLineViewModel()
{
var now = DateTime.UtcNow;
_maxTime = now;
_minTime = now.AddHours(-24);
_scrollPosition = 0;
_scrollScale = 1.0;
_warpGradientParameters = CalculateSkyGradient();
_service = ServiceLocator.GetInstance <EarthQuakesService>();
//NOTE: service is null when Blend calls this constructor when opening the TimeLineView.xaml
if (_service != null)
{
_service.RequestMode = EarthQuakeRequestMode.LastWeek;
_regionsFilter = new FilterViewModel(_service.EartQuakeRegionNames, _service.SelectedRegions);
_regionsFilter.FilterChanged += RegionsFilterPropertyChanged;
//Register using a weak event on the service PropertyChanged event.
WeakPropertyChangedListener.CreateIfNecessary(_service, this);
UpdateEarthQuakeData(_service.EarthQuakes);
if (!_service.IsStarted)
{
_service.StartService();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MapViewModel"/> class.
/// </summary>
public MapViewModel()
{
_earthQuakeRadiusScaleMin = 10;
_earthQuakeRadiusScaleMax = 90;
_earthQuakeColorScaleMin = 2.5;
_earthQuakeColorScaleMax = 10;
_service = ServiceLocator.GetInstance <EarthQuakesService>();
// NOTE: service is null when Blend calls this constructor when opening the TimeLineView.xaml
if (_service != null)
{
_service.RequestMode = EarthQuakeRequestMode.LastWeek;
_regionsFilter = new FilterViewModel(_service.EartQuakeRegionNames, _service.SelectedRegions);
_regionsFilter.FilterChanged += RegionsFilterPropertyChanged;
WeakPropertyChangedListener.CreateIfNecessary(_service, this);
GetEarthQuakeData(_service.EarthQuakes);
if (!_service.IsStarted)
{
_service.StartService();
}
}
}