void CreateNodeGeometry(DrawingNode node, Graph graph, GeometryGraph geometryGraph, GeometryPoint center, ConnectionToGraph connectionTo = ConnectionToGraph.Connected)
{
double width, height;
StringMeasure.MeasureWithFont(node.Label.Text, new Font(node.Label.FontName, (float)node.Label.FontSize, (System.Drawing.FontStyle)(int) node.Label.FontStyle), out width,
out height);
node.Label.Width = width;
node.Label.Height = height;
if (node.Label != null)
{
width += 2 * node.Attr.LabelMargin;
height += 2 * node.Attr.LabelMargin;
}
if (width < graph.Attr.MinNodeWidth)
{
width = graph.Attr.MinNodeWidth;
}
if (height < graph.Attr.MinNodeHeight)
{
height = graph.Attr.MinNodeHeight;
}
Node geomNode =
node.GeometryNode =
GeometryGraphCreator.CreateGeometryNode(graph, geometryGraph, node, connectionTo);
geomNode.BoundaryCurve = NodeBoundaryCurves.GetNodeBoundaryCurve(node, width, height);
geomNode.BoundaryCurve.Translate(center);
geomNode.Center = center;
}
public static void addLineEdge(GraphViewer gv, string src, string tar)
{
var graph = gv.Graph;
var edge = graph.AddEdge(src, null, tar);
edge.SourceNode.AddOutEdge(edge);
edge.TargetNode.AddInEdge(edge);
var ledge = GeometryGraphCreator.CreateGeometryEdgeFromDrawingEdge(edge);
//ledge.Source = edge.SourceNode.GeometryNode;
//ledge.Target = edge.TargetNode.GeometryNode;
ledge.Source.AddOutEdge(ledge);
ledge.Target.AddInEdge(ledge);
edge.GeometryEdge = ledge;
ledge.Curve = new Microsoft.Msagl.Core.Geometry.Curves.LineSegment(ledge.Source.Center, ledge.Target.Center);
//gv.AddEdge(gv.CreateEdgeWithGivenGeometry(edge), true);
Microsoft.Msagl.Layout.LargeGraphLayout.LgLayoutSettings lgsets = null;
Microsoft.Msagl.Routing.StraightLineEdges.RouteEdge(ledge, 0);
var oute = gv.CreateEdgeWithGivenGeometry(edge);
gv.LayoutEditor.AttachLayoutChangeEvent(oute);
gv.Invalidate();
var sss = oute.Target;
//gv.RouteEdge(edge);
}
public IViewerEdge RouteEdge(DrawingEdge drawingEdge)
{
var geomEdge = GeometryGraphCreator.CreateGeometryEdgeFromDrawingEdge(drawingEdge);
var geomGraph = drawingGraph.GeometryGraph;
LayoutHelpers.RouteAndLabelEdges(geomGraph, drawingGraph.LayoutAlgorithmSettings, new[] { geomEdge });
return(CreateEdge(drawingEdge, drawingGraph.LayoutAlgorithmSettings as LgLayoutSettings));
}
internal void CreateEdge()
{
if (Model == null)
{
return;
}
if (this.Source.Label == null || this.Target.Label == null)
{
return;
}
Dictionary <string, Entity> entitiesLookup = Model.DisplayedSubmodel.Entities.ToDictionary(x => x.Label, y => y);
if ((entitiesLookup.ContainsKey(Source.Label) || entitiesLookup.ContainsKey(Target.Label)) == false)
{
return;
}
if (drawingEdge != null)
{
DeleteDrawingEdge(false);
}
if (Model.Graph != null)
{
drawingEdge = Model.Graph.AddEdge(Source.Label, Target.Label);
drawingEdge.Attr = CreateEdgeAttr();
drawingEdge.Label = CreateLabel(drawingEdge, Model.ShowRelationshipLabels ? Type : "");
LayoutEdge coreEdge = GeometryGraphCreator.CreateGeometryEdgeFromDrawingEdge(drawingEdge);
CreateEdgeCurve(drawingEdge, coreEdge);
Model.GeometryGraph.Edges.Add(coreEdge);
drawingEdge.GeometryEdge = coreEdge;
drawingEdge.UserData = this;
}
else
{
if (IsAddedOnViewGraph)
{
IsAddedOnViewGraph = false;
return;
}
DrawingNode source = Model.GraphEditor.Graph.FindNode(Source.Label);
DrawingNode target = Model.GraphEditor.Graph.FindNode(Target.Label);
if (target != null)
{
drawingEdge = Model.GraphEditor.Viewer.AddEdge(source, target, false);
drawingEdge.Attr = CreateEdgeAttr();
drawingEdge.UserData = this;
}
RenameEdge();
}
}
public static IViewerNode addVnodeByDnode(GraphViewer gv, Node node, DPoint pos)
{
var graph = gv.Graph;
Debug.Assert(node.GeometryNode == null);
LNode lnode = GeometryGraphCreator.CreateGeometryNode(graph, graph.GeometryGraph, node, ConnectionToGraph.Disconnected);
var labelSize = Common.MeasureLabel(node.Label);
var mar = node.Attr.LabelMargin;
lnode.BoundaryCurve = NodeBoundaryCurves.GetNodeBoundaryCurve(node, labelSize.Width + mar * 2, labelSize.Height + mar * 2);
node.GeometryNode = lnode;
var vnode = gv.CreateIViewerNode(node, pos, null);
return(vnode);
}
public static IViewerNode addNode(GraphViewer gv, string id, double x, double y)
{
//var node = new Node(id);
var graph = gv.Graph;
var node = graph.AddNode(id);
var lnode = GeometryGraphCreator.CreateGeometryNode(graph, graph.GeometryGraph, node, ConnectionToGraph.Disconnected);
var labelSize = Common.MeasureLabel(node.Label);
lnode.BoundaryCurve = NodeBoundaryCurves.GetNodeBoundaryCurve(node, labelSize.Width, labelSize.Height);
node.GeometryNode = lnode;
var vnode = gv.CreateIViewerNode(node, new DPoint(x, y), null);
return(vnode);
//gv.AddNode(vnode, true);
//gv.CreateVNode(node);
}
void InsertNodeIntoGraph(Rectangle rectangle)
{
Node node = new Node("testNode");
node.Attr.FillColor = Color.Red;
node.Attr.Shape = Shape.DrawFromGeometry;
node.Label = null;
var geomNode =
node.GeometryNode = GeometryGraphCreator.CreateGeometryNode(gViewer.Graph, gViewer.Graph.GeometryGraph, node, ConnectionToGraph.Disconnected);
var center = (rectangle.LeftBottom + rectangle.RightTop) / 2;
geomNode.BoundaryCurve = CurveFactory.CreateRectangle(rectangle.Width, rectangle.Height, center);
node.GeometryNode = geomNode;
var dNode = gViewer.CreateIViewerNode(node);
gViewer.AddNode(dNode, true);
}
private void InitPalette()
{
foreach (var type in this.graph.GetNodeTypes())
{
var button = new Button {
Text = type.Name, Dock = DockStyle.Bottom
};
button.Click += (sender, args) =>
{
var node = this.graph.CreateNewNode(type);
node.GeometryNode = GeometryGraphCreator.CreateGeometryNode(this.viewer.Graph, this.viewer.Graph.GeometryGraph, node, ConnectionToGraph.Disconnected);
var viewNode = this.viewer.CreateIViewerNode(node, this.viewer.Graph.Nodes.ToList()[0].Pos - new Point(250, 0), null);
this.viewer.AddNode(viewNode, true);
this.viewer.Graph.AddNode(node);
this.viewer.Invalidate();
};
button.Font = new Font(button.Font.FontFamily, fontSize);
button.Size = new Size(button.Width, button.Height + 10);
this.paletteGrid.Controls.Add(button, 0, this.paletteGrid.RowCount - 1);
++this.paletteGrid.RowCount;
}
}
public static IViewerNode addNodeWithStyles(GraphViewer gv, string id, DPoint pos, ICollection <Style> styles)
{
var graph = gv.Graph;
var node = graph.AddNode(id);
if (styles != null)
{
foreach (var s in styles)
{
node.Attr.AddStyle(s);
}
}
var lnode = GeometryGraphCreator.CreateGeometryNode(graph, graph.GeometryGraph, node, ConnectionToGraph.Disconnected);
var labelSize = Common.MeasureLabel(node.Label);
var mar = node.Attr.LabelMargin;
lnode.BoundaryCurve = NodeBoundaryCurves.GetNodeBoundaryCurve(node, labelSize.Width + mar * 2, labelSize.Height + mar * 2);
node.GeometryNode = lnode;
var vnode = gv.CreateIViewerNode(node, pos, null);
return(vnode);
}
public static IViewerEdge addLineEdge2(GraphViewer gv, string src, string tar)
{
var graph = gv.Graph;
var edge = graph.AddEdge(src, null, tar);
edge.SourceNode.AddOutEdge(edge);
edge.TargetNode.AddInEdge(edge);
var ledge = GeometryGraphCreator.CreateGeometryEdgeFromDrawingEdge(edge);
ledge.Source.AddOutEdge(ledge);
ledge.Target.AddInEdge(ledge);
ledge.GeometryParent = graph.GeometryGraph;
graph.GeometryGraph.Edges.Add(ledge);
edge.GeometryEdge = ledge;
//ledge.Curve = new LineSegment(ledge.Source.Center, ledge.Target.Center);
//gv.AddEdge(gv.CreateEdgeWithGivenGeometry(edge), true);
Microsoft.Msagl.Routing.StraightLineEdges.RouteEdge(ledge, 0);
var oute = gv.CreateEdgeWithGivenGeometry(edge);
gv.LayoutEditor.AttachLayoutChangeEvent(oute);
return(oute);
}