private void btnDeletePoint_Click(object sender, RoutedEventArgs e)
{
if (_mode == 0 && _dt?.IsEnabled == false)
{
KMeans.Point p = (KMeans.Point)dtgPoints.SelectedItem;
_points.Remove(p);
_pointsNumber--;
dtgPoints.Items.Refresh();
}
}
private void cnvGraphic_MouseUp(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
double x = e.GetPosition((Canvas)sender).X;
double y = e.GetPosition((Canvas)sender).Y;
if (_calculatedAndSet)
{
KMeans.Point p = new KMeans.Point("Evaluated point " + (++_evaluatedCounter), new ObservableCollection <double> {
x, y
});
Centroid ddd = _knnAlg.GetPointFeature(p);
int ccc = 0;
foreach (Centroid c in _centroids)
{
if (c == ddd)
{
Ellipse ell = new Ellipse {
Width = _pointRadius, Height = _pointRadius, Fill = _pointsColorList[ccc], StrokeThickness = _pointThickness, Stroke = _pointsColorList[ccc]
};
cnvGraphic.Children.Add(ell);
Canvas.SetTop(ell, y - 5);
Canvas.SetLeft(ell, x - 5);
c.MyPoints.Add(p);
}
ccc++;
}
}
else
{
_points.Add(new KMeans.Point("Point " + (++_pointsNumber), new ObservableCollection <double> {
x, y
}));
Ellipse ell = new Ellipse {
Width = _pointRadius, Height = _pointRadius, Fill = _pointFillColor, StrokeThickness = _pointThickness, Stroke = _pointStrokeColor
};
cnvGraphic.Children.Add(ell);
Canvas.SetTop(ell, y - 5);
Canvas.SetLeft(ell, x - 5);
_points[_pointsNumber - 1].Coordinates.CollectionChanged += (s, args) =>
{
ObservableCollection <double> d = (ObservableCollection <double>)s;
Canvas.SetTop(ell, d[1] - 5);
Canvas.SetLeft(ell, d[0] - 5);
};
dtgPoints.Items.Refresh();
}
}
else if (e.ChangedButton == MouseButton.Right)
{
if (!_calculatedAndSet)
{
double x = e.GetPosition((Canvas)sender).X;
double y = e.GetPosition((Canvas)sender).Y;
_centroids.Add(new Centroid("Centroid " + (++_centroidsNumber), new ObservableCollection <double> {
x, y
}));
Ellipse ell = new Ellipse {
Width = _centroidRadius, Height = _centroidRadius, Fill = _centroidFillColor, StrokeThickness = _centroidThickness, Stroke = _centroidStrokeColor
};
cnvGraphic.Children.Add(ell);
Canvas.SetTop(ell, y - 5);
Canvas.SetLeft(ell, x - 5);
_centroids[_centroidsNumber - 1].Coordinates.CollectionChanged += (s, args) =>
{
ObservableCollection <double> d = (ObservableCollection <double>)s;
Canvas.SetTop(ell, d[1] - 5);
Canvas.SetLeft(ell, d[0] - 5);
};
dtgCentroids.Items.Refresh();
txtCentroidN.Text = _centroidsNumber.ToString();
}
}
}