private static void ApplyShapesLayout(GleeGraph g, Dictionary <string, NodeShape> shapesMap, double graphLeft, double graphTop)
{
// apply layout information to child shapes
foreach (string key in shapesMap.Keys)
{
NodeShape nodeShape = shapesMap[key];
Node node = g.NodeMap[key];
// appy layout information for shape
double shapeTop = (graphTop - node.BBox.Top) + HostMargin;
double shapeLeft;
if (graphLeft <= 0)
{
shapeLeft = Math.Abs(graphLeft) + node.BBox.Left + HostMargin;
}
else
{
shapeLeft = node.BBox.Left - graphLeft + HostMargin;
}
if (nodeShape.MovementBehaviour == ShapeMovementBehaviour.PositionOnEdgeOfParent)
{
if (nodeShape.Parent != null)
{
nodeShape.SetLocation(NodeShape.CorrectPortLocation(nodeShape.Parent, nodeShape, new PointD(shapeLeft, shapeTop)));
}
}
else
{
nodeShape.SetLocation(new PointD(shapeLeft, shapeTop));
}
}
}
private static void SetPortAtFreePositionOnParent(NodeShape shape)
{
float width = (float)shape.Bounds.Width;
float height = (float)shape.Bounds.Height;
float parentWidth = (float)shape.Parent.Bounds.Width;
float parentHeight = (float)shape.Parent.Bounds.Height;
Dictionary <PortPlacement, int> dict = new Dictionary <PortPlacement, int>();
dict.Add(PortPlacement.Left, 0);
dict.Add(PortPlacement.Top, 0);
dict.Add(PortPlacement.Bottom, 0);
dict.Add(PortPlacement.Right, 0);
for (int i = 0; i < shape.Parent.RelativeChildren.Count; i++)
{
if (shape.Parent.RelativeChildren[i] == shape)
{
continue;
}
dict[shape.Parent.RelativeChildren[i].PlacementSide]++;
}
List <KeyValuePair <PortPlacement, int> > myList = new List <KeyValuePair <PortPlacement, int> >(dict);
myList.Sort((firstPair, nextPair) =>
{
return(firstPair.Value.CompareTo(nextPair.Value));
});
foreach (KeyValuePair <PortPlacement, int> p in myList)
{
RectangleF rectH;
switch (p.Key)
{
case PortPlacement.Left:
rectH = new RectangleF(-width / 2, 0, width, parentHeight);
break;
case PortPlacement.Top:
rectH = new RectangleF(0, -height / 2, parentWidth, height);
break;
case PortPlacement.Right:
rectH = new RectangleF(parentWidth - width / 2, 0, width, parentHeight);
break;
case PortPlacement.Bottom:
rectH = new RectangleF(0, parentHeight - height / 2, parentWidth, height);
break;
default:
throw new NotSupportedException();
}
if (SetPortAtFreePositionOnParent(shape, p.Key, rectH))
{
return;
}
}
shape.SetLocation(NodeShape.CorrectPortLocation(shape.Parent, shape, new PointD(0, 0)));
}