private IEnumerable <ILayoutAction> CalculateAbsoluteLayout()
{
var newVertexCenters = AbsolutePositionCalculator.GetVertexCenters(
_relativeLayoutCalculator.RelativeLayout, HorizontalGap, VerticalGap);
var layoutActions = CreateLayoutActions(newVertexCenters);
SaveCurrentPositions(newVertexCenters);
return(layoutActions);
}
public IDictionary <ModelNodeId, Rect2D> Calculate(IEnumerable <IDiagramNode> nodes, IEnumerable <IDiagramConnector> connectors)
{
var diagramNodeToLayoutVertexMap = new Map <ModelNodeId, DiagramNodeLayoutVertex>();
var diagramConnectorToLayoutPathMap = new Map <ModelRelationshipId, LayoutPath>();
var layoutVertices = nodes.Select(i => CreateLayoutVertex(i, diagramNodeToLayoutVertexMap)).OrderBy(i => i.DiagramNode.AddedAt).ThenBy(i => i.Name)
.ToList();
var layoutPaths = connectors.Select(i => CreateLayoutPath(i, diagramNodeToLayoutVertexMap, diagramConnectorToLayoutPathMap)).ToList();
var relativeLayout = RelativeLayoutCalculator.Calculate(layoutVertices, layoutPaths);
var layoutVertexToPointMap = AbsolutePositionCalculator.GetVertexCenters(relativeLayout, HorizontalGap, VerticalGap);
return(diagramNodeToLayoutVertexMap.ToDictionary(
i => i.Key,
i => Rect2D.CreateFromCenterAndSize(layoutVertexToPointMap.Get(i.Value), i.Value.Size)));
}