protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
// if mouse button is not pressed we have no drag operation, ...
if (e.LeftButton != MouseButtonState.Pressed)
{
this.dragStartPoint = null;
}
// but if mouse button is pressed and start point value is set we do have one
if (this.dragStartPoint.HasValue)
{
// create connection adorner
DesignerCanvas canvas = GetDesignerCanvas(this);
if (canvas != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(canvas);
if (adornerLayer != null)
{
ConnectorAdorner adorner = new ConnectorAdorner(canvas, this);
if (adorner != null)
{
adornerLayer.Add(adorner);
e.Handled = true;
}
}
}
}
}
public void Draw()
{
AdornerLayer layer = AdornerLayer.GetAdornerLayer(ContainerCanvas);
if (layer == null)
{
return;
}
System.Windows.Documents.Adorner adorner = new ModelOperationAdorner(this);
if (adorners.FindIndex(item => item is ModelOperationAdorner) > -1)
{
return;
}
adorners.Add(adorner);
layer.Add(adorner);
System.Windows.Documents.Adorner adorner2 = new ConnectorAdorner(this);
if (adorners.FindIndex(item => item is ConnectorAdorner) > -1)
{
return;
}
adorners.Add(adorner2);
layer.Add(adorner2);
#if DEBUG_ON
// test value
System.Console.WriteLine("{0} model refreshed", System.DateTime.Now.Millisecond);
#endif
}
public OverlayConnector([NotNull] OverlayCanvas overlayCanvas, Point start)
{
Assert.ArgumentNotNull(overlayCanvas, nameof(overlayCanvas));
OverlayCanvas = overlayCanvas;
Start = start;
End = start;
adorner = new ConnectorAdorner(this, OverlayCanvas);
adornerLayer = AdornerLayer.GetAdornerLayer(OverlayCanvas);
adornerLayer.Add(adorner);
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (!this._isDrag || e.LeftButton != MouseButtonState.Pressed)
{
return;
}
var adornerLayer = AdornerLayer.GetAdornerLayer(this._designerCanvas);
if (adornerLayer != null)
{
var connectorAdorner = new ConnectorAdorner(this._designerCanvas, this._connectorViewModel);
adornerLayer.Add(connectorAdorner);
e.Handled = true;
}
}
public void CreateConnectorAdorner()
{
if (ParentCanvas != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(ParentCanvas);
if (adornerLayer != null)
{
CurrentAdorner = new ConnectorAdorner(ParentCanvas, BestExitConnector);
if (CurrentAdorner != null)
{
adornerLayer.Add(CurrentAdorner);
}
}
}
}
protected virtual void OnMoveJack(MouseEventArgs e)
{
if (e.LeftButton != MouseButtonState.Pressed)
{
_startPointConnector = null;
return;
}
var jack = VisualFinder.GetAncestor <Jack>((DependencyObject)e.OriginalSource);
if (_startPointConnector.HasValue && jack != null)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(ActivityCanvas.Instance);
if (adornerLayer != null)
{
var adorner = new ConnectorAdorner(ActivityCanvas.Instance, _startPointConnector, jack, this);
adornerLayer.Add(adorner);
e.Handled = true;
}
}
}