/// <summary>
/// Delegate called when the control is initialized.
/// </summary>
/// <param name="pEventArgs">The event arguments.</param>
protected override void OnInitialized(EventArgs pEventArgs)
{
NodeViewModel lNodeViewModel = this.DataContext as NodeViewModel;
if (lNodeViewModel == null)
{
return;
}
SimpleGraphView lParentGraphView = this.FindVisualParent <SimpleGraphView>();
if (lParentGraphView == null)
{
return;
}
NodeView lNodeView = lParentGraphView.GetContainerForViewModel <NodeViewModel, NodeView>(lNodeViewModel);
if (lNodeView != null)
{
AdornerLayeredCanvas lCanvas = this.FindVisualParent <AdornerLayeredCanvas>();
if (lCanvas != null)
{
// Creating the adorner layer.
AdornerLayer lLayer = lCanvas.AdornerLayer;
// Adding the adorner to the layer.
lLayer.Add(new InfosAdorner(lNodeView));
}
}
}
/// <summary>
/// Delegate called when the control is initialized.
/// </summary>
/// <param name="pEventArgs">The event arguments.</param>
protected override void OnInitialized(EventArgs pEventArgs)
{
PortViewModel lPortViewModel = this.DataContext as PortViewModel;
if (lPortViewModel == null)
{
return;
}
PortContainer lParentContainer = this.FindVisualParent <PortContainer>();
if (lParentContainer == null)
{
return;
}
PortView lPortView = lParentContainer.GetContainerForViewModel(lPortViewModel);
if (lPortView != null)
{
AdornerLayeredCanvas lCanvas = this.FindVisualParent <AdornerLayeredCanvas>();
if (lCanvas != null)
{
// Creating the adorner layer.
AdornerLayer lLayer = lCanvas.AdornerLayer;
// Creating the adorner and propagating this control background.
this.mAdorner = new ConnectorAdorner(lPortView);
this.UpdateConnectorsBackground();
// Adding the adorner to the layer.
lLayer.Add(this.mAdorner);
}
}
}
/// <summary>
/// This method is called when the layout changes.
/// </summary>
/// <param name="pSender">The event sender.</param>
/// <param name="pEventArgs">The event arguments.</param>
private void OnLayoutUpdated(object pSender, EventArgs pEventArgs)
{
AdornerLayeredCanvas lParentCanvas = this.FindVisualParent <AdornerLayeredCanvas>();
if (lParentCanvas != null)
{
// Get centre position of this Connector relative to the DesignerCanvas.
this.Position = this.TransformToVisual(lParentCanvas.AdornerLayer).Transform(new Point(this.ActualWidth / 2, this.ActualHeight / 2));
}
}
/// <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);
}
}
}
}
}
/// <summary>
/// Delegate called when the control is initialized.
/// </summary>
/// <param name="pEventArgs">The event arguments.</param>
protected override void OnInitialized(EventArgs pEventArgs)
{
// The adorned port view is given to the control by the DataContext property.
PortView lPortView = this.DataContext as PortView;
if (lPortView != null)
{
AdornerLayeredCanvas lCanvas = this.FindVisualParent <AdornerLayeredCanvas>();
if (lCanvas != null)
{
// Creating the adorner layer.
AdornerLayer lLayer = lCanvas.AdornerLayer;
// Creating the adorner and propagating this control background.
this.Adorner = new ConnectorsAdorner(lPortView);
this.UpdateConnectorsBackground();
// Adding the adorner to the layer.
lLayer.Add(this.Adorner);
}
}
}
/// <summary>
/// Delegate called when this control is loaded.
/// </summary>
/// <param name="pSender">The event sender.</param>
/// <param name="pEventArgs">The event arguments.</param>
private void OnLoaded(object pSender, RoutedEventArgs pEventArgs)
{
this.mDrawingArea = this.FindVisualChild <AdornerLayeredCanvas>("PART_DrawingArea");
}
