public void Invalidate()
{
this.EdgeLabel.InvokeInUiThread(() =>
{
this.UpdateVisibility(this.Edge);
if (!this.Edge.IsVisible)
{
return;
}
this.EdgePath.Data = VisualsFactory.CreateEdgePath(Edge.GeometryEdge.Curve);
// arrows should be nulled and removed if they are nor required anymore.
// revist on graphic property editing
// --wgross 28.09.2018
if (this.Edge.Attr.ArrowAtSource)
{
this.SourceArrowHeadPath.Data = VisualsFactory.CreateEdgeSourceArrow(this.Edge.GeometryEdge.EdgeGeometry, this.PathStrokeThickness);
}
if (this.Edge.Attr.ArrowAtTarget)
{
this.TargetArrowHeadPath.Data = VisualsFactory.CreateEdgeTargetArrow(this.Edge.GeometryEdge.EdgeGeometry, this.PathStrokeThickness);
}
this.SetPathStroke();
if (VLabel != null)
{
((IInvalidatable)VLabel).Invalidate();
}
});
}
public (FrameworkElement edgeLabel, Path edgePath, Path edgeSourceArrow, Path edgeTargetArrow) SetupEdgeVisuals(FrameworkElement edgeLabel)
{
// nope: this must be VLabel//edgeLabel.Tag = this;
var edgePath = new Path
{
Data = VisualsFactory.CreateEdgePath(this.Edge.GeometryEdge.Curve),
Tag = this
};
var edgeSourceArrow = this.Edge.Attr.ArrowAtSource ?
new Path
{
Data = VisualsFactory.CreateEdgeSourceArrow(this.Edge.GeometryEdge.EdgeGeometry, this.PathStrokeThickness),
Tag = this
} : null;
var edgeTargetArrow = this.Edge.Attr.ArrowAtTarget ?
new Path
{
Data = VisualsFactory.CreateEdgeTargetArrow(this.Edge.GeometryEdge.EdgeGeometry, this.PathStrokeThickness),
Tag = this
} : null;
return(edgeLabel, edgePath, edgeSourceArrow, edgeTargetArrow);
}
public void DrawRubberEdge(EdgeGeometry edgeGeometry)
{
if (_rubberEdgePath == null)
{
_rubberEdgePath = new Path
{
Stroke = Brushes.Black,
StrokeThickness = GetBorderPathThickness() * 3
};
GraphCanvas.Children.Add(_rubberEdgePath);
_targetArrowheadPathForRubberEdge = new Path
{
Stroke = Brushes.Black,
StrokeThickness = GetBorderPathThickness() * 3
};
GraphCanvas.Children.Add(_targetArrowheadPathForRubberEdge);
}
_rubberEdgePath.Data = VisualsFactory.CreateEdgePath(edgeGeometry.Curve);
_targetArrowheadPathForRubberEdge.Data = VisualsFactory.CreateEdgeTargetArrow(edgeGeometry, edgeGeometry.LineWidth);
}