internal DEdge(DNode source, DNode target, DrawingEdge drawingEdgeParam, ConnectionToGraph connection)
: base(source.ParentObject)
{
this.DrawingEdge = drawingEdgeParam;
this.Source = source;
this.Target = target;
if (connection == ConnectionToGraph.Connected)
{
if (source == target)
{
source.AddSelfEdge(this);
}
else
{
source.AddOutEdge(this);
target.AddInEdge(this);
}
}
if (drawingEdgeParam.Label != null)
{
this.Label = new DTextLabel(this, DrawingEdge.Label);
}
}
internal DEdge(DNode source, DNode target, DrawingEdge drawingEdgeParam, ConnectionToGraph connection,
GViewer gviewer) : base(gviewer)
{
DrawingEdge = drawingEdgeParam;
Source = source;
Target = target;
if (connection == ConnectionToGraph.Connected)
{
if (source == target)
{
source.AddSelfEdge(this);
}
else
{
source.AddOutEdge(this);
target.AddInEdge(this);
}
}
if (drawingEdgeParam.Label != null)
{
Label = new DLabel(this, drawingEdge.Label, gviewer);
}
}
/// <summary>
/// a helper function creating a geometry node
/// </summary>
/// <param name="drawingGraph"> </param>
/// <param name="geometryGraph"></param>
/// <param name="node"></param>
/// <param name="connection">controls if the node is connected to the graph</param>
/// <returns></returns>
public static Core.Layout.Node CreateGeometryNode(Graph drawingGraph, GeometryGraph geometryGraph, Node node,
ConnectionToGraph connection)
{
var geomNode = new Core.Layout.Node();
if (connection == ConnectionToGraph.Connected)
{
geometryGraph.Nodes.Add(geomNode);
}
node.GeometryNode = geomNode;
geomNode.UserData = node;
geomNode.Padding = node.Attr.Padding;
return(geomNode);
}
/// <summary>
/// creates a detached edge
/// </summary>
/// <param name="sourceNode"></param>
/// <param name="targetNode"></param>
/// <param name="connection">controls is the edge will be connected to the graph</param>
public Edge(Node sourceNode, Node targetNode, ConnectionToGraph connection)
: this(sourceNode.Id, null, targetNode.Id)
{
this.SourceNode = sourceNode;
this.TargetNode = targetNode;
if (connection == ConnectionToGraph.Connected)
{
if (sourceNode == targetNode)
{
sourceNode.AddSelfEdge(this);
}
else
{
sourceNode.AddOutEdge(this);
targetNode.AddInEdge(this);
}
}
}
internal DEdge(DNode source, DNode target, DrawingEdge drawingEdgeParam, ConnectionToGraph connection,
GViewer gviewer) : base(gviewer) {
DrawingEdge = drawingEdgeParam;
Source = source;
Target = target;
if (connection == ConnectionToGraph.Connected) {
if (source == target)
source.AddSelfEdge(this);
else {
source.AddOutEdge(this);
target.AddInEdge(this);
}
}
if (drawingEdgeParam.Label != null)
Label = new DLabel(this, drawingEdge.Label, gviewer);
}
internal DEdge(DNode source, DNode target, DrawingEdge drawingEdgeParam, ConnectionToGraph connection)
: base(source.ParentObject)
{
this.DrawingEdge = drawingEdgeParam;
this.Source = source;
this.Target = target;
if (connection == ConnectionToGraph.Connected)
{
if (source == target)
source.AddSelfEdge(this);
else
{
source.AddOutEdge(this);
target.AddInEdge(this);
}
}
if (drawingEdgeParam.Label != null)
this.Label = new DTextLabel(this, DrawingEdge.Label);
}
/// <summary>
/// a helper function creating a geometry node
/// </summary>
/// <param name="drawingGraph"> </param>
/// <param name="geometryGraph"></param>
/// <param name="node"></param>
/// <param name="connection">controls if the node is connected to the graph</param>
/// <returns></returns>
public static Core.Layout.Node CreateGeometryNode(Graph drawingGraph, GeometryGraph geometryGraph, Node node,
ConnectionToGraph connection) {
var geomNode = new Core.Layout.Node();
if (connection == ConnectionToGraph.Connected)
geometryGraph.Nodes.Add(geomNode);
node.GeometryNode = geomNode;
geomNode.UserData = node;
geomNode.Padding = node.Attr.Padding;
return geomNode;
}
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;
}
/// <summary>
/// creates a detached edge
/// </summary>
/// <param name="sourceNode"></param>
/// <param name="targetNode"></param>
/// <param name="connection">controls is the edge will be connected to the graph</param>
public Edge(Node sourceNode, Node targetNode, ConnectionToGraph connection)
: this(sourceNode.Id, null, targetNode.Id) {
this.SourceNode = sourceNode;
this.TargetNode = targetNode;
if (connection == ConnectionToGraph.Connected) {
if (sourceNode == targetNode)
sourceNode.AddSelfEdge(this);
else {
sourceNode.AddOutEdge(this);
targetNode.AddInEdge(this);
}
}
}
