//Calls the Line routing algorithm and populates the points collection of the connector.
void RoutePolyLine(Connector connector)
{
Point[] pts = ConnectorRouter.Route(this, FreeFormPanel.GetSourceConnectionPoint(connector), FreeFormPanel.GetDestinationConnectionPoint(connector));
List <Point> points = new List <Point>(pts);
if (pts != null)
{
UpdateConnectorPoints(connector, points);
}
}
private void MeasureChildren(out double height, out double width)
{
height = 0;
width = 0;
Point pt = new Point(0, 0);
bool isOutmostPanel = this.IsOutmostPanel();
foreach (UIElement child in Children)
{
Connector connectorChild = child as Connector;
if (connectorChild != null && isOutmostPanel)
{
pt = new Point(0, 0);
if (measureConnectors)
{
Point srcPoint = FreeFormPanel.GetLocationRelativeToOutmostPanel(FreeFormPanel.GetSourceConnectionPoint(connectorChild));
Point destPoint = FreeFormPanel.GetLocationRelativeToOutmostPanel(FreeFormPanel.GetDestinationConnectionPoint(connectorChild));
if (connectorChild.Points.Count == 0 ||
(DesignerGeometryHelper.DistanceBetweenPoints(connectorChild.Points[0], srcPoint) > 1) ||
(DesignerGeometryHelper.DistanceBetweenPoints(connectorChild.Points[connectorChild.Points.Count - 1], destPoint) > 1))
{
connectorChild.Points = new PointCollection();
RoutePolyLine(connectorChild);
}
connectorChild.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
}
else
{
continue;
}
}
else //Measure non-connector elements.
{
child.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
if (!child.DesiredSize.Equals(((Size)FreeFormPanel.GetChildSize(child))))
{
FreeFormPanel.SetChildSize(child, child.DesiredSize);
}
pt = FreeFormPanel.GetLocation(child);
if (pt.X == 0 && pt.Y == 0)
{
pt = new Point(LeftStackingMargin, lastYPosition);
OnLocationChanged(child, new LocationChangedEventArgs(pt));
FreeFormPanel.SetLocation(child, pt);
lastYPosition += child.DesiredSize.Height + VerticalStackingDistance;
}
}
if (height < child.DesiredSize.Height + pt.Y)
{
height = child.DesiredSize.Height + pt.Y;
}
if (width < child.DesiredSize.Width + pt.X)
{
width = child.DesiredSize.Width + pt.X;
}
}
width = (width < this.MinWidth) ? this.MinWidth : width;
height = (height < this.MinHeight) ? this.MinHeight : height;
}