Пример #1
0
        public void KlassGrid_MouseDown(object sender, MouseButtonEventArgs e)
        {
            MainWindow mw = (MainWindow)Application.Current.MainWindow;

            Keyboard.Focus(this);

            if (e.ClickCount == 2)
            {
                Grid g = new Grid()
                {
                    Width = mw.theCanvas.ActualWidth, Height = mw.theCanvas.ActualHeight, Background = Brushes.Black, Opacity = 0.2
                };
                Canvas.SetLeft(g, 0);
                Canvas.SetTop(g, 0);

                ClassSettings cs = new ClassSettings(KlassViewModel, g);
                g.MouseDown += (sendr, eventArgs) => { cs.Save(); };    //Skapar ett mouseDown-event för Grid g som anropar CloseSettings

                double x = (KlassViewModel.KlassModel.PositionLeft + _posOnUserControlOnHit.X - cs.Width / 2.33);
                double y = (KlassViewModel.KlassModel.PositionTop + _posOnUserControlOnHit.Y - cs.Height / 2);

                if (cs.Width + x > mw.ActualWidth)
                {
                    Canvas.SetLeft(cs, x - (x + cs.Width - mw.ActualWidth));
                }
                else if (x < 0)
                {
                    Canvas.SetLeft(cs, x - x);
                }
                else
                {
                    Canvas.SetLeft(cs, x);
                }

                if (cs.Height + y > mw.ActualHeight)
                {
                    Canvas.SetTop(cs, y - (y + cs.Height - mw.ActualHeight));
                }
                else if (y < 0)
                {
                    Canvas.SetTop(cs, y - y);
                }
                else
                {
                    Canvas.SetTop(cs, y);
                }

                mw.theCanvas.Children.Add(g);
                mw.theCanvas.Children.Add(cs);
            }
            else if (!(Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl)))
            {
                mw.DeselectAll();
            }

            CaptureMouse();
            _posOnUserControlOnHit = Mouse.GetPosition(this);

            KlassViewModel.Select();

            e.Handled = true;
        }