public ChartViewModel()
{
ViewportManager = new DefaultViewportManager();
var dataSeries = new XyDataSeries <float, float>();
var x = new float[] { 1, 2, 4, 5, 6, 7 };
var y = new float[] { 4, 2, 3, 1, 2, 3 };
dataSeries.SeriesName = "Series 1";
dataSeries.Append(x, y);
var viewModel = new LineRenderableSeriesViewModel {
DataSeries = dataSeries, StyleKey = "LineStyle"
};
RenderableSeriesViewModels.Add(viewModel);
var annotation = new ExHorizontalLineAnnotation {
Caption = "Annotation", Y1 = 2
};
Annotations.Add(annotation);
ViewportManager.ZoomExtents();
}
private void ChangeRenderableSeriesType()
{
var rSeriesVm = RenderableSeriesViewModels.FirstOrDefault(s => s.IsSelected);
if (rSeriesVm != null)
{
var index = RenderableSeriesViewModels.IndexOf(rSeriesVm);
RenderableSeriesViewModels[index] = ViewModelsFactory.New(SelectedSeriesType.Type, 0, RenderableSeriesViewModels[index].DataSeries);
RenderableSeriesViewModels[index].IsSelected = true;
ZoomExtents();
}
}
public ManipulateSeriesMvvmViewModel()
{
_renderableSeriesViewModels = new ObservableCollection <IRenderableSeriesViewModel>();
_addCommand = new ActionCommand(() =>
{
RenderableSeriesViewModels.Add(ViewModelsFactory.New(SelectedSeriesType.Type, 0));
ZoomExtents();
ClearCommand.RaiseCanExecuteChanged();
}, () => SelectedSeriesType != null);
_removeCommand = new ActionCommand(() =>
{
RenderableSeriesViewModels.RemoveWhere(s => s.IsSelected);
ClearCommand.RaiseCanExecuteChanged();
}, () => RenderableSeriesViewModels.Any(s => s.IsSelected));
_clearCommand = new ActionCommand(() =>
{
RenderableSeriesViewModels.Clear();
ClearCommand.RaiseCanExecuteChanged();
}, () => RenderableSeriesViewModels.Count > 0);
_selectionChangedCommand = new ActionCommand(() =>
{
var rSeriesVm = RenderableSeriesViewModels.FirstOrDefault(s => s.IsSelected);
if (rSeriesVm != null)
{
SelectedSeriesType = SeriesTypes.FirstOrDefault(x => x.Type == rSeriesVm.GetType());
}
RemoveCommand.RaiseCanExecuteChanged();
});
var data = DataManager.Instance.GetSinewave(1.0, 0.5, 100, 5);
var lineDataSeries = new XyDataSeries <double, double>();
lineDataSeries.Append(data.XData.Select(d => d * 5), data.YData);
FillSeriesTypes();
SelectedSeriesType = SeriesTypes[3];
_addCommand.Execute(null);
AddCommand.RaiseCanExecuteChanged();
RemoveCommand.RaiseCanExecuteChanged();
}
