/// <summary> /// Creates the type graph. /// </summary> /// <returns>The graph view model.</returns> public AGraphViewModel CreateTypeGraph() { GraphViewModel lGraph = new GraphViewModel(); NodeViewModel lNode0 = new TypeNodeViewModel(typeof(SampleClass)); lGraph.AddNode(lNode0); NodeViewModel lNode1 = new TypeNodeViewModel(typeof(SampleClass1VeryTooMuchLong)); lGraph.AddNode(lNode1); NodeViewModel lNode2 = new NodeViewModel(); lNode2.DisplayString = "Empty node"; lGraph.AddNode(lNode2); int i = 0; foreach (NodeViewModel lNode in lGraph.Nodes) { lNode.X = 300 * i; lNode.Y = 100 * i; i++; } ConnectionViewModel lConnectionViewModel = new ConnectionViewModel(); lConnectionViewModel.Output = lGraph.Nodes.ElementAt(0).Ports.FirstOrDefault(pPort => pPort.Direction == PortDirection.Output); lConnectionViewModel.Input = lGraph.Nodes.ElementAt(1).Ports.FirstOrDefault(pPort => pPort.Direction == PortDirection.Input); lGraph.AddConnection(lConnectionViewModel); return(lGraph); }
/// <summary> /// This method is called when a mouse button up occured on the adorner. /// </summary> /// <param name="pEventArgs">The event arguments</param> protected override void OnMouseUp(MouseButtonEventArgs pEventArgs) { // Release the mouse capture. if (this.IsMouseCaptured) { this.ReleaseMouseCapture(); } // Getting the position. Point lHitPoint = pEventArgs.GetPosition(this); AdornerLayeredCanvas lParentCanvas = this.AdornedElement as AdornerLayeredCanvas; if (lParentCanvas != null) { // Remove the adorner. AdornerLayer lLayer = lParentCanvas.AdornerLayer; if (lLayer != null) { lLayer.Remove(this); } // Hitting the target connector. InputConnector lTargetConnector = lParentCanvas.HitControl <InputConnector>(lHitPoint); if (lTargetConnector != null) { GraphViewModel lGraphViewModel = lParentCanvas.DataContext as GraphViewModel; if (lGraphViewModel != null) { PortViewModel lTargetViewModel = lTargetConnector.ParentPort.Content as PortViewModel; PortViewModel lSourceViewModel = this.mSourceConnector.ParentPort.Content as PortViewModel; if (lTargetViewModel != null && lSourceViewModel.CanBeConnectedTo(lTargetViewModel)) { ConnectionViewModel lConnectionViewModel = new ConnectionViewModel(); lConnectionViewModel.Output = lSourceViewModel; lConnectionViewModel.Input = lTargetViewModel; lGraphViewModel.AddConnection(lConnectionViewModel); } } } } }