private PointVisualObject CreatePoint()
{
var result = Point(plane.InMouseMagnetPosition).Style(FlatBrushes.Alizarin);
m_createdPoints.Add(result);
m_currentPoint = result;
return(result);
}
public void Cancel()
{
foreach (var point in m_createdPoints)
{
point.Destroy();
}
m_currentPoint = null;
if (m_current is Configuration current && !current.IsDisposed)
{
current.Cancel();
}
}
private void Plane_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.OnlyPressed(MouseButton.Left) && m_currentPoint is PointVisualObject currentPoint)
{
if (plane.LastHitTestTop?.Owner is PointVisualObject)
{
m_createdPoints.Remove(currentPoint);
m_currentPoint = null;
}
else
{
plane.Items.Add(currentPoint);
}
}
}
private void Plane_MouseUp(object sender, MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Released)
{
if (m_current?.IsDisposed ?? true)
{
m_currentPoint = null;
m_createdPoints.Clear();
plane.EnableSelection = true;
plane.RestoreCursor = null;
}
}
plane.RenderChanged();
}