/// <summary>
/// Handler for scaffold mode.
/// </summary>
private void _mouseDown(object sender, MouseButtonEventArgs e)
{
if (!ScaffoldModeEnabled)
{
return;
}
if (e.RightButton == MouseButtonState.Pressed)
{
_lastScaffold = null;
e.Handled = true;
return;
}
if (_lastScaffold == null || !Children.Contains(_lastScaffold))
{
_lastScaffold = null;
}
if (_lastScaffold == null)
{
_lastScaffold = new ScaffoldItem(UnusedVersion(new ReadableIdentifier("scaffold")), new Point2Dmm[0]);
}
else
{
Children.Remove(_lastScaffold);
}
var position = e.GetPosition(this);
var mmX = position.X / ActualWidth * RangeX;
var mmY = position.Y / ActualHeight * RangeY;
_lastScaffold = _lastScaffold.ExtendBy(new Point2Dmm(mmX, mmY));
Children.Add(_lastScaffold);
}
public ScaffoldItem ExtendBy(Point2Dmm point)
{
var item = new ScaffoldItem(Name, ShapePoints.Concat(new[] { point }));
return(item);
}