internal ConnectorInfo GetInfo() { ConnectorInfo info = new ConnectorInfo(); info.DesignerItemLeft = DesignerCanvas.GetLeft(this.ParentDesignerItem); info.DesignerItemTop = DesignerCanvas.GetTop(this.ParentDesignerItem); info.DesignerItemSize = new Size(this.ParentDesignerItem.ActualWidth, this.ParentDesignerItem.ActualHeight); info.Orientation = this.Orientation; info.Position = this.Position; return(info); }
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e) { base.OnMouseLeftButtonDown(e); DesignerCanvas canvas = GetDesignerCanvas(this); if (canvas != null) { // position relative to DesignerCanvas this.dragStartPoint = new Point?(e.GetPosition(canvas)); e.Handled = true; } }
private void ShowAdorner() { // the ConnectionAdorner is created once for each Connection if (this.connectionAdorner == null) { DesignerCanvas designer = VisualTreeHelper.GetParent(this) as DesignerCanvas; AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this); if (adornerLayer != null) { this.connectionAdorner = new ConnectionAdorner(designer, this); adornerLayer.Add(this.connectionAdorner); } } this.connectionAdorner.Visibility = Visibility.Visible; }
public ConnectionAdorner(DesignerCanvas designer, Connection connection) : base(designer) { this.designerCanvas = designer; adornerCanvas = new Canvas(); this.visualChildren = new VisualCollection(this); this.visualChildren.Add(adornerCanvas); this.connection = connection; this.connection.PropertyChanged += new PropertyChangedEventHandler(AnchorPositionChanged); InitializeDragThumbs(); drawingPen = new Pen(Brushes.LightSlateGray, 1); drawingPen.LineJoin = PenLineJoin.Round; base.Unloaded += new RoutedEventHandler(ConnectionAdorner_Unloaded); }
protected override void OnDrop(DragEventArgs e) { base.OnDrop(e); DragObject dragObject = e.Data.GetData(typeof(DragObject)) as DragObject; if (dragObject != null && !String.IsNullOrEmpty(dragObject.Xaml)) { DesignerItem newItem = null; Object content = XamlReader.Load(XmlReader.Create(new StringReader(dragObject.Xaml))); if (content != null) { newItem = new DesignerItem(); newItem.Content = content; Point position = e.GetPosition(this); if (dragObject.DesiredSize.HasValue) { Size desiredSize = dragObject.DesiredSize.Value; newItem.Width = desiredSize.Width; newItem.Height = desiredSize.Height; DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2)); DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2)); } else { DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X)); DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y)); } Canvas.SetZIndex(newItem, this.Children.Count); this.Children.Add(newItem); SetConnectorDecoratorTemplate(newItem); //update selection this.SelectionService.SelectItem(newItem); newItem.Focus(); } e.Handled = true; } }
void Connection_Unloaded(object sender, RoutedEventArgs e) { // do some housekeeping when Connection is unloaded // remove event handler this.Source = null; this.Sink = null; // remove adorner if (this.connectionAdorner != null) { DesignerCanvas designer = VisualTreeHelper.GetParent(this) as DesignerCanvas; AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this); if (adornerLayer != null) { adornerLayer.Remove(this.connectionAdorner); this.connectionAdorner = null; } } }
public SelectionService(DesignerCanvas canvas) { this.designerCanvas = canvas; }