/// <summary>
/// Adjusts the edge end points so they don't end outside the shape of the node they are attached to.
/// </summary>
private static void AdjustPortLocation(LayoutGraph graph, Edge e, YPointPath path, bool atSource)
{
Node node = atSource ? e.Source : e.Target;
YPoint pointRel = atSource ? graph.GetSourcePointRel(e) : graph.GetTargetPointRel(e);
// get offset from the node center to the end of the shape at the node side the edge connects to
LineSegment segment = path.GetLineSegment(atSource ? 0 : path.Length() - 2);
double offset = Math.Min(graph.GetWidth(node), graph.GetHeight(node)) / 2;
double offsetX = segment.DeltaX > 0 ^ atSource ? -offset : offset;
double offsetY = segment.DeltaY > 0 ^ atSource ? -offset : offset;
// if the edge end point is at the center of this side, we use the calculated offset to put the end point on
// the node bounds, otherwise we prolong the last segment to the center line of the node so it doesn't end
// outside the node's shape
YPoint newPortLocation = segment.IsHorizontal
? new YPoint(pointRel.Y != 0 ? 0 : offsetX, pointRel.Y)
: new YPoint(pointRel.X, pointRel.X != 0 ? 0 : offsetY);
if (atSource)
{
graph.SetSourcePointRel(e, newPortLocation);
}
else
{
graph.SetTargetPointRel(e, newPortLocation);
}
}
public override void ApplyLayout(LayoutGraph graph)
{
// determine the single node to keep at the center.
var provider = graph.GetDataProvider("NodeLayouts");
Node centerNode = null;
if (provider != null)
{
centerNode = graph.Nodes.FirstOrDefault(n => provider.Get(n) != null);
}
if (CoreLayout != null)
{
if (centerNode != null)
{
// remember old center
RectD oldLayout = (RectD)provider.Get(centerNode);
var fixedLocation = new YPoint(graph.GetX(centerNode) + graph.GetWidth(centerNode), graph.GetY(centerNode));
//Set to saved size (this is important for collapsed nodes to ensure correct size)
graph.SetSize(centerNode, oldLayout.Width, oldLayout.Height);
// run layout
CoreLayout.ApplyLayout(graph);
// obtain new center
var newFixedLocation = new YPoint(graph.GetX(centerNode) + graph.GetWidth(centerNode),
graph.GetY(centerNode));
// and adjust the layout
LayoutGraphUtilities.MoveSubgraph(graph, graph.GetNodeCursor(), fixedLocation.X - newFixedLocation.X,
fixedLocation.Y - newFixedLocation.Y);
}
else
{
CoreLayout.ApplyLayout(graph);
}
}
}
/// <summary>
/// Returns the calculated location of the edge label. Note that the labeling
/// machinery returns the edge labels positions as a parameter
/// of the model that belongs to the label. This model parameter can be used
/// to retrieve the actual location of the label as shown in this method.
/// </summary>
private static YPoint GetEdgeLabelLocation(LayoutGraph graph, Edge e, IEdgeLabelLayout ell)
{
var placement = ell.LabelModel.GetLabelPlacement(
ell.BoundingBox,
graph.GetLayout(e),
graph.GetLayout(e.Source),
graph.GetLayout(e.Target),
ell.ModelParameter);
YPoint ellp = new YPoint(placement.Anchor.X, placement.Anchor.Y - placement.Height);
return(ellp);
}
protected void PaintEdge(Graphics g, LayoutGraph graph, Edge e)
{
IEdgeLayout el = graph.GetLayout(e);
YPoint sp = graph.GetSourcePointAbs(e);
YPoint tp = graph.GetTargetPointAbs(e);
PointF[] points = new PointF[el.PointCount() + 2];
points[0] = new PointF((float)sp.X, (float)sp.Y);
points[el.PointCount() + 1] = new PointF((float)tp.X, (float)tp.Y);
for (int i = 0; i < el.PointCount(); i++)
{
YPoint p = el.GetPoint(i);
points[i + 1] = new PointF((float)p.X, (float)p.Y);
}
g.DrawLines(edgePen, points);
}
/// <summary>
/// Called by the various edge creation callbacks to create an edge in the resulting graph view
/// that corresponds to the provided <paramref name="layoutEdge"/>.
/// </summary>
/// <remarks>
/// If a model edge is provided, the edge will be created between the copies of the corresponding
/// source/target ports.
/// </remarks>
///<param name="pageLayoutGraph">The layout graph representing the current page.</param>
///<param name="pageView">The <see cref="IGraph"/> that is built to show the multi-page layout in a graph canvas.</param>
///<param name="layoutEdge">The edge of the layout graph that should be copied.</param>
///<param name="modelEdge">The edge of the original input graph that corresponds to the <paramref name="layoutEdge"/> (may be <see langword="null"/>).</param>
///<param name="edgeDefaults"></param>
///<returns>The created edge</returns>
/// <seealso cref="CreateConnectorEdge"/>
/// <seealso cref="CreateNormalEdge"/>
/// <seealso cref="CreateProxyEdge"/>
/// <seealso cref="CreateProxyReferenceEdge"/>
protected IEdge CreateEdgeCore(LayoutGraph pageLayoutGraph, IGraph pageView, Edge layoutEdge, IEdge modelEdge, IEdgeDefaults edgeDefaults)
{
IEdge viewEdge;
if (modelEdge != null)
{
// if the edge has a model edge: create the copied edge between
// the copies of its source and target ports
IPort modelSourcePort = modelEdge.SourcePort;
IPort modelTargetPort = modelEdge.TargetPort;
IPort viewSourcePort = GetViewPort(modelSourcePort);
IPort viewTargetPort = GetViewPort(modelTargetPort);
IEdgeStyle style = (IEdgeStyle)(edgeDefaults.Style != NullEdgeStyle ?
edgeDefaults.GetStyleInstance() :
modelEdge.Style.Clone());
viewEdge = pageView.CreateEdge(viewSourcePort, viewTargetPort, style, modelEdge.Tag);
}
else
{
// otherwise create it between the copies of its source and target nodes
INode viewSource = GetViewNode(layoutEdge.Source);
INode viewTarget = GetViewNode(layoutEdge.Target);
viewEdge = pageView.CreateEdge(viewSource, viewTarget);
}
// adjust the port location
YPoint newSourcePortLocation = pageLayoutGraph.GetSourcePointAbs(layoutEdge);
YPoint newTargetPortLocation = pageLayoutGraph.GetTargetPointAbs(layoutEdge);
pageView.SetPortLocation(viewEdge.SourcePort, newSourcePortLocation.ToPointD());
pageView.SetPortLocation(viewEdge.TargetPort, newTargetPortLocation.ToPointD());
// and copy the bends
IEdgeLayout edgeLayout = pageLayoutGraph.GetLayout(layoutEdge);
for (int i = 0; i < edgeLayout.PointCount(); i++)
{
YPoint bendLocation = edgeLayout.GetPoint(i);
pageView.AddBend(viewEdge, new PointD(bendLocation.X, bendLocation.Y), i);
}
return(viewEdge);
}
public static YPointCollection ConvertCompaniesToDto(System.Collections.Generic.List <DAC.Companies> list)
{
if (list != null)
{
YPointCollection points = new YPointCollection();
foreach (var item in list)
{
YPoint point = new YPoint();
point.id = item.Id;
YPointGeometry _geometry = new YPointGeometry();
_geometry.coordinates.Add(item.Latitude);
_geometry.coordinates.Add(item.Longitude);
point.geometry = _geometry;
points.features.Add(point);
//add city
YPointProperties _properties = new YPointProperties();
_properties.city = item.CompanyDetails.City;
point.properties = _properties;
}
return(points);
}
return(null);
}
public YAdres(int idAdres, double Coord1, double Coord2)
{
id = idAdres;
geometry = new YPoint(Coord1, Coord2);
}
/// <summary>
/// Executes the layout algorithm.
/// </summary>
/// <remarks>
/// <para>
/// Enlarges the node layout to fully encompass the rotated layout (the rotated layout's bounding box).
/// If the <see cref="EdgeRoutingMode"/> is set to <see cref="RoutingMode.FixedPort"/>
/// port constraints are created to keep the ports at their current location.
/// Existing port constraints are adjusted to the rotation.
/// </para>
/// <para>
/// Then, the <see cref="LayoutStageBase.CoreLayout"/> is executed.
/// </para>
/// <para>
/// After the core layout the original node sizes are restored.
/// If the <see cref="EdgeRoutingMode"/> is set to <see cref="RoutingMode.ShortestStraightPathToBorder"/>
/// the last edge segment is extended from the bounding box to the rotated layout.
/// </para>
/// </remarks>
public override void ApplyLayout(LayoutGraph graph)
{
if (CoreLayout == null)
{
return;
}
var boundsProvider = graph.GetDataProvider(RotatedNodeLayoutDpKey);
if (boundsProvider == null)
{
// no provider: this stage adds nothing to the core layout
CoreLayout.ApplyLayout(graph);
return;
}
bool addedSourcePortConstraints = false;
bool addedTargetPortContstraints = false;
IDataMap sourcePortConstraints = (IDataMap)graph.GetDataProvider(PortConstraintKeys.SourcePortConstraintDpKey);
IDataMap targetPortConstraints = (IDataMap)graph.GetDataProvider(PortConstraintKeys.TargetPortConstraintDpKey);
if (EdgeRoutingMode == RoutingMode.FixedPort)
{
// Fixed port: create port constraints to keep the ports at position
// in this case: create data providers if there are none yet
if (sourcePortConstraints == null)
{
sourcePortConstraints = graph.CreateEdgeMap();
graph.AddDataProvider(PortConstraintKeys.SourcePortConstraintDpKey, sourcePortConstraints);
addedSourcePortConstraints = true;
}
if (targetPortConstraints == null)
{
targetPortConstraints = graph.CreateEdgeMap();
graph.AddDataProvider(PortConstraintKeys.TargetPortConstraintDpKey, targetPortConstraints);
addedTargetPortContstraints = true;
}
}
try {
var originalDimensions = new Dictionary <Node, OldDimensions>();
foreach (var node in graph.Nodes)
{
var nodeShape = (RotatedNodeShape)boundsProvider.Get(node);
var orientedLayout = nodeShape != null ? nodeShape.OrientedLayout : null;
var outline = nodeShape != null ? nodeShape.Outline : null;
if (orientedLayout != null)
{
// if the current node is rotated: apply fixes
// remember old layout and size
var oldLayout = graph.GetLayout(node);
var newLayout = orientedLayout.GetBounds().ToYRectangle();
var offset = new PointD(newLayout.X - oldLayout.X, newLayout.Y - oldLayout.Y);
var originalSize = new SizeD(oldLayout.Width, oldLayout.Height);
var oldDimensions = new OldDimensions {
offset = offset,
size = originalSize,
outline = outline
};
if (EdgeRoutingMode == RoutingMode.FixedPort)
{
// EdgeRoutingMode: FixedPort: keep the ports at their current location
// The oriented layout's corners to find the best PortSide
var tl = new PointD(orientedLayout.AnchorX + orientedLayout.UpX * orientedLayout.Height, orientedLayout.AnchorY + orientedLayout.UpY * orientedLayout.Height);
var tr = new PointD(orientedLayout.AnchorX + orientedLayout.UpX * orientedLayout.Height - orientedLayout.UpY * orientedLayout.Width,
orientedLayout.AnchorY + orientedLayout.UpY * orientedLayout.Height + orientedLayout.UpX * orientedLayout.Width);
var bl = new PointD(orientedLayout.AnchorX, orientedLayout.AnchorY);
var br = new PointD(orientedLayout.AnchorX - orientedLayout.UpY * orientedLayout.Width, orientedLayout.AnchorY + orientedLayout.UpX * orientedLayout.Width);
// for each out edge
foreach (var edge in node.OutEdges)
{
// create a strong port constraint for the side which is closest to the port location (without rotation)
var constraint = sourcePortConstraints.Get(edge);
if (constraint == null)
{
var point = graph.GetSourcePointAbs(edge).ToPointD();
var side = FindBestSide(point, bl, br, tl, tr);
sourcePortConstraints.Set(edge, PortConstraint.Create(side, true));
}
}
foreach (var edge in node.InEdges)
{
// create a strong port constraint for the side which is closest to the port location (without rotation)
var constraint = targetPortConstraints.Get(edge);
if (constraint == null)
{
var point = graph.GetTargetPointAbs(edge).ToPointD();
var side = FindBestSide(point, bl, br, tl, tr);
targetPortConstraints.Set(edge, PortConstraint.Create(side, true));
}
}
}
// For source and target port constraints: fix the PortSide according to the rotation
var angle = Math.Atan2(orientedLayout.UpY, orientedLayout.UpX);
if (sourcePortConstraints != null)
{
foreach (var edge in node.OutEdges)
{
FixPortConstraintSide(sourcePortConstraints, edge, angle);
}
}
if (targetPortConstraints != null)
{
foreach (var edge in node.InEdges)
{
FixPortConstraintSide(targetPortConstraints, edge, angle);
}
}
// enlarge the node layout
var position = new YPoint(newLayout.X, newLayout.Y);
oldDimensions.location = position;
originalDimensions.Add(node, oldDimensions);
graph.SetLocation(node, position);
graph.SetSize(node, newLayout);
}
}
// ===============================================================
CoreLayout.ApplyLayout(graph);
// ===============================================================
var groups = graph.GetDataProvider(GroupingKeys.GroupDpKey);
foreach (var node in graph.Nodes)
{
if (groups != null && groups.GetBool(node))
{
// groups don't need to be adjusted to their former size and location because their bounds are entirely
// calculated by the layout algorithm and they are not rotated
continue;
}
// for each node which has been corrected: undo the correction
var oldDimensions = originalDimensions[node];
var offset = oldDimensions.offset;
var originalSize = oldDimensions.size;
var newLayout = graph.GetLayout(node);
// create a general path representing the new roated layout
var path = oldDimensions.outline;
var transform = new Matrix2D();
transform.Translate(new PointD(newLayout.X - oldDimensions.location.X, newLayout.Y - oldDimensions.location.Y));
path.Transform(transform);
// restore the original size
graph.SetLocation(node, new YPoint(newLayout.X - offset.X, newLayout.Y - offset.Y));
graph.SetSize(node, originalSize.ToYDimension());
if (EdgeRoutingMode == RoutingMode.NoRouting)
{
// NoRouting still needs fix for self-loops
foreach (var edge in node.Edges)
{
if (edge.SelfLoop)
{
FixPorts(graph, edge, path, false);
FixPorts(graph, edge, path, true);
}
}
continue;
}
if (EdgeRoutingMode != RoutingMode.ShortestStraightPathToBorder)
{
continue;
}
// enlarge the adjacent segment to the oriented rectangle (represented by the path)
// handling in and out edges separately will automatically cause selfloops to be handled correctly
foreach (var edge in node.InEdges)
{
FixPorts(graph, edge, path, false);
}
foreach (var edge in node.OutEdges)
{
FixPorts(graph, edge, path, true);
}
}
} finally {
// if data provider for the port constraints have been added
// remove and dispose them
if (addedSourcePortConstraints)
{
graph.RemoveDataProvider(PortConstraintKeys.SourcePortConstraintDpKey);
graph.DisposeEdgeMap((IEdgeMap)sourcePortConstraints);
}
if (addedTargetPortContstraints)
{
graph.RemoveDataProvider(PortConstraintKeys.TargetPortConstraintDpKey);
graph.DisposeEdgeMap((IEdgeMap)targetPortConstraints);
}
}
}
public override void ApplyLayout(LayoutGraph graph)
{
ApplyLayoutCore(graph);
foreach (Node n in graph.Nodes)
{
foreach (Edge e in n.OutEdges)
{
bool lastSegmentOverlap = false;
IEdgeLayout er = graph.GetLayout(e);
if (er.PointCount() > 0)
{
// last bend point
YPoint bendPoint = er.GetPoint(er.PointCount() - 1);
IEnumerator <Edge> ecc = n.OutEdges.GetEnumerator();
loop : while (ecc.MoveNext())
{
Edge eccEdge = ecc.Current;
if (eccEdge != e)
{
YPointPath path = graph.GetPath(eccEdge);
for (ILineSegmentCursor lc = path.LineSegments(); lc.Ok; lc.Next())
{
LineSegment seg = lc.LineSegment;
if (seg.Contains(bendPoint))
{
lastSegmentOverlap = true;
goto loop;
}
}
}
}
}
YList points = graph.GetPointList(e);
for (ListCell c = points.FirstCell; c != null; c = c.Succ())
{
YPoint p = (YPoint)c.Info;
if (c.Succ() == null && !lastSegmentOverlap)
{
break;
}
YPoint p0 = (YPoint)(c.Pred() == null ? graph.GetSourcePointAbs(e) : c.Pred().Info);
YPoint p2;
if (Math.Abs(p0.X - p.X) < 0.01)
{
p2 = new YPoint(p.X, p.Y - 0.001);
}
else
{
p2 = new YPoint(p.X - 0.001, p.Y);
}
points.InsertBefore(p2, c);
}
graph.SetPoints(e, points);
}
}
}