private void GateButton_MouseDown(object sender, MouseButtonEventArgs e)
{
Control source = sender as Control;
bool shiftPressed = false;
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
shiftPressed = true;
}
if (HomeVM.SelectedAction == ActionName.Control && !shiftPressed)
{
Button button = source as Button;
Point coordinates = button.TransformToVisual(drawing).Transform(new Point(0, 0));
CircuitGridVM circuitVM = DataContext as CircuitGridVM;
double diameter = 12;
double centerX = coordinates.X + 0.5 * CircuitGridVM.GateWidth;
double centerY = coordinates.Y + 0.5 * CircuitGridVM.QubitSize;
Ellipse ctrlPoint = new Ellipse();
ctrlPoint.Width = diameter;
ctrlPoint.Height = diameter;
ctrlPoint.Fill = black;
ctrlPoint.Stroke = black;
ctrlPoint.StrokeThickness = 1;
ctrlPoint.AllowDrop = true;
ctrlPoint.Drop += ctrlPoint_Drop;
drawing.Children.Add(ctrlPoint);
Canvas.SetTop(ctrlPoint, centerY - 0.5 * diameter);
Canvas.SetLeft(ctrlPoint, centerX - 0.5 * diameter);
line = new Line();
line.X1 = line.X2 = centerX;
line.Y1 = line.Y2 = centerY;
line.Stroke = black;
line.StrokeThickness = 1;
drawing.Children.Add(line);
Action emptyDelegate = delegate { };
drawing.Dispatcher.Invoke(emptyDelegate, DispatcherPriority.Render);
}
GateVM vm = source.DataContext as GateVM;
Tuple <int, RegisterRefModel> data = new Tuple <int, RegisterRefModel>(vm.Column, vm.Row);
DragDrop.DoDragDrop(source, data, DragDropEffects.All);
}
private void GateButton_Drop(object sender, DragEventArgs e)
{
Control target = sender as Control;
Tuple <int, RegisterRefModel> data = e.Data.GetData(typeof(Tuple <int, RegisterRefModel>)) as Tuple <int, RegisterRefModel>;
GateVM vm = target.DataContext as GateVM;
vm.SetGate(data.Item1, data.Item2, e.KeyStates);
line = null;
drawing.Children.Clear();
CircuitGridVM circuitVM = DataContext as CircuitGridVM;
circuitVM.SelectedObject = vm;
}
