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);
}
public IViewerNode CreateIViewerNode(DrawingNode drawingNode, MsaglPoint center, object visualElement)
{
DNode ret = new DNode(this, drawingNode);
// not sure what I'm supposed to do here...
return ret;
}
public IViewerNode CreateNode(DrawingNode node)
{
DNode ret = new DNode(this, node);
node.LabelText = null;
SetNodeBoundaryCurve(Graph, node);
return ret;
}
static void DrawEllipseOnPosition(DNode dNode, NodeAttr nodeAttr, Canvas g, float x, float y, float width,
float height, Brush pen)
{
throw new NotImplementedException();
/*
if (NeedToFill(dNode.FillColor))
g.FillEllipse(new SolidBrush(dNode.FillColor), x, y, width, height);
if (nodeAttr.Shape == Shape.Point)
g.FillEllipse(new SolidBrush(pen.Color), x, y, width, height);
g.DrawEllipse(pen, x, y, width, height); //*/
}
internal static void DrawFromMsaglCurve(Canvas g, Brush pen, DNode dNode)
{
throw new NotImplementedException();
/*
NodeAttr attr = dNode.DrawingNode.Attr;
var c = attr.GeometryNode.BoundaryCurve as Curve;
if (c != null)
{
var path = new GraphicsPath();
foreach (ICurve seg in c.Segments)
AddSegToPath(seg, ref path);
if (NeedToFill(dNode.FillColor))
{
g.FillPath(new SolidBrush(dNode.FillColor), path);
}
g.DrawPath(pen, path);
}
else
{
var ellipse = attr.GeometryNode.BoundaryCurve as Ellipse;
if (ellipse != null)
{
double w = ellipse.AxisA.X;
double h = ellipse.AxisB.Y;
DrawEllipseOnPosition(dNode, dNode.DrawingNode.Attr, g, (float)(ellipse.Center.X - w),
(float)(ellipse.Center.Y - h),
(float)w * 2, (float)h * 2, pen);
}
}*/
}
internal void AddNode(DNode node)
{
m_Nodes.Add(node);
}
public void ResizeNodeToLabel(DNode node)
{
if (node.Label == null)
return;
double width = Math.Max(node.Label.ActualWidth, node.Label.Width);
double height = Math.Max(node.Label.ActualHeight, node.Label.Height);
width += 2 * node.Node.Attr.LabelMargin;
height += 2 * node.Node.Attr.LabelMargin;
if (width < Graph.Attr.MinNodeWidth)
width = Graph.Attr.MinNodeWidth;
if (height < Graph.Attr.MinNodeHeight)
height = Graph.Attr.MinNodeHeight;
SetNodeBoundaryCurve(Graph, node.DrawingNode, node.Label);
var allEdges = node.Edges.Concat(CrossEdges.Where(ed => ed.Source == node || ed.Target == node));
foreach (GeometryEdge e in allEdges.Select(ed => ed.GeometryEdge))
{
if (e.UnderlyingPolyline != null)
{
Curve curve = e.UnderlyingPolyline.CreateCurve();
if (!Arrowheads.TrimSplineAndCalculateArrowheads(e.EdgeGeometry, e.Source.BoundaryCurve, e.Target.BoundaryCurve, curve, false, true))
Arrowheads.CreateBigEnoughSpline(e);
}
}
if (UpdateGraphBoundingBoxPreservingCenter())
Invalidate();
else
{
Invalidate(node);
foreach (DObject obj in node.Edges)
Invalidate(obj);
}
}
private DEdge AddCrossEdge(DNode source, DNode target)
{
DEdge dEdge = new DEdge(source, target, new DrawingEdge(source.Node, target.Node, ConnectionToGraph.Disconnected), ConnectionToGraph.Disconnected);
GeometryEdge gEdge = new GeometryEdge(source.GeometryNode, target.GeometryNode) { GeometryParent = Graph.GeometryGraph };
dEdge.GeometryEdge = gEdge;
dEdge.ArrowheadAtTarget = ArrowStyle.Normal;
m_CrossEdges.Add(dEdge);
return dEdge;
/*DEdge ret;
var s = VisualTreeHelper.GetRoot(this);
var ss = VisualTreeHelper.GetRoot(source);
var ts = VisualTreeHelper.GetRoot(target);
if (s != ss || s != ts || ss != ts)
ret = new DEdge(source, target, null, ConnectionToGraph.Disconnected);
else
ret = NestedGraphHelper.DrawCrossEdge(this, source, target);
m_CrossEdges.Add(ret);
return ret;*/
}
internal static void DrawBox(PathGeometry pg, DNode dNode)
{
throw new NotImplementedException();
/*
NodeAttr nodeAttr = dNode.DrawingNode.Attr;
if (nodeAttr.XRadius == 0 || nodeAttr.YRadius == 0)
{
double x = nodeAttr.Pos.X - nodeAttr.Width / 2.0f;
double y = nodeAttr.Pos.Y - nodeAttr.Height / 2.0f;
if (NeedToFill(dNode.FillColor))
{
Color fc = FillColor(nodeAttr);
g.FillRectangle(new SolidBrush(fc), (float)x, (float)y, (float)nodeAttr.Width,
(float)nodeAttr.Height);
}
g.DrawRectangle(pen, (float)x, (float)y, (float)nodeAttr.Width, (float)nodeAttr.Height);
}
else
{
var width = (float)nodeAttr.Width;
var height = (float)nodeAttr.Height;
var xRadius = (float)nodeAttr.XRadius;
var yRadius = (float)nodeAttr.YRadius;
using (var path = new GraphicsPath())
{
FillTheGraphicsPath(nodeAttr, width, height, ref xRadius, ref yRadius, path);
if (NeedToFill(dNode.FillColor))
{
g.FillPath(new SolidBrush(dNode.FillColor), path);
}
g.DrawPath(pen, path);
}
}
* */
}
private void Clustering_ApplyNodeAttributes(DNode n)
{
n.DrawingNode.Attr.Color = MsaglColor.Green;
n.DrawingNode.Attr.LineWidth = 2.0;
n.DrawingNode.Attr.Shape = MsaglShape.Box;
n.DrawingNode.Attr.XRadius = 5.0;
n.DrawingNode.Attr.YRadius = 5.0;
}
private DEdge Nesting_Cell_AddEdge(DGraph graph, DNode source, DNode target, string label)
{
DEdge ret = graph.AddEdgeBetweenNodes(source, target);
if (label != null)
ret.Label = new DTextLabel(ret, label);
ret.DrawingEdge.Attr.Color = MsaglColor.Red;
return ret;
}
public DEdge AddEdgeBetweenNodes(DNode source, DNode target)
{
DEdge dEdge = new DEdge(source, target, new DrawingEdge(source.Node, target.Node, ConnectionToGraph.Disconnected), ConnectionToGraph.Disconnected);
GeometryEdge gEdge = new GeometryEdge(source.GeometryNode, target.GeometryNode) { GeometryParent = Graph.GeometryGraph };
dEdge.GeometryEdge = gEdge;
dEdge.ArrowheadAtTarget = ArrowStyle.Normal;
AddEdge(dEdge, false);
return dEdge;
}
static BBNode BuildBBHierarchyUnderDNode(DNode dNode)
{
var bbNode = new BBNode();
bbNode.geometry = new Geometry(dNode);
bbNode.bBox = dNode.DrawingNode.BoundingBox;
return bbNode;
}
public void AddNodeToCluster(DCluster owner, DNode node)
{
node.ParentObject = owner;
owner.AddNode(node);
owner.DrawingCluster.AddNode(node.DrawingNode);
owner.GeometryCluster.AddChild(node.GeometryNode);
}
internal static void DrawDiamond(Canvas g, Brush pen, DNode dNode)
{
throw new NotImplementedException();
/*
NodeAttr nodeAttr = dNode.DrawingNode.Attr;
double w2 = nodeAttr.Width / 2.0f;
double h2 = nodeAttr.Height / 2.0f;
double cx = nodeAttr.Pos.X;
double cy = nodeAttr.Pos.Y;
var ps = new[]{
new PointF((float) cx - (float) w2, (float) cy),
new PointF((float) cx, (float) cy + (float) h2),
new PointF((float) cx + (float) w2, (float) cy),
new PointF((float) cx, (float) cy - (float) h2)
};
if (NeedToFill(dNode.FillColor))
{
Color fc = FillColor(nodeAttr);
g.FillPolygon(new SolidBrush(fc), ps);
}
g.DrawPolygon(pen, ps); //*/
}
private bool IsContainedSub(DNode n)
{
if (Nodes().Contains(n))
return true;
foreach (DGraph g in NestedGraphs)
if (g.IsContainedSub(n))
return true;
return false;
}
internal static void DrawDoubleCircle(Canvas g, Brush pen, DNode dNode)
{
throw new NotImplementedException();
/*
NodeAttr nodeAttr = dNode.DrawingNode.Attr;
double x = nodeAttr.Pos.X - nodeAttr.Width / 2.0f;
double y = nodeAttr.Pos.Y - nodeAttr.Height / 2.0f;
if (NeedToFill(dNode.FillColor))
{
g.FillEllipse(new SolidBrush(dNode.FillColor), (float)x, (float)y, (float)nodeAttr.Width,
(float)nodeAttr.Height);
}
g.DrawEllipse(pen, (float)x, (float)y, (float)nodeAttr.Width, (float)nodeAttr.Height);
var w = (float)nodeAttr.Width;
var h = (float)nodeAttr.Height;
float m = Math.Max(w, h);
float coeff = (float)1.0 - (float)(DoubleCircleOffsetRatio);
x += coeff * m / 2.0;
y += coeff * m / 2.0;
g.DrawEllipse(pen, (float)x, (float)y, w - coeff * m, h - coeff * m);
* */
}
public DEdge AddEdgeBetweenNodes(DNode source, DNode target)
{
if (!IsContainedSub(source))
throw new InvalidOperationException("The edge source node must be in the graph or in one of its nested graphs.");
if (!IsContainedSub(target))
throw new InvalidOperationException("The edge target node must be in the graph or in one of its nested graphs.");
if (source.ParentGraph == this && target.ParentGraph == this)
{
DEdge dEdge = new DEdge(source, target, new DrawingEdge(source.Node, target.Node, ConnectionToGraph.Disconnected), ConnectionToGraph.Disconnected);
GeometryEdge gEdge = new GeometryEdge(source.GeometryNode, target.GeometryNode) { GeometryParent = Graph.GeometryGraph };
dEdge.GeometryEdge = gEdge;
dEdge.ArrowheadAtTarget = ArrowStyle.Normal;
AddEdge(dEdge, false);
return dEdge;
}
else
return AddCrossEdge(source, target);
}
internal static void DrawEllipse(Canvas g, Brush pen, DNode dNode)
{
var node = dNode.DrawingNode;
NodeAttr nodeAttr = node.Attr;
var x = (float)(node.GeometryNode.Center.X - node.Width / 2.0);
var y = (float)(node.GeometryNode.Center.Y - node.Height / 2.0);
var width = (float)node.Width;
var height = (float)node.Height;
DrawEllipseOnPosition(dNode, nodeAttr, g, x, y, width, height, pen);
}
void ApplyNodeTypeToInsertedNode(NodeTypeEntry nte, DNode node)
{
node.DrawingNode.Attr.Shape = nte.Shape;
if (nte.XRadius != 0)
node.DrawingNode.Attr.XRadius = nte.XRadius;
if (nte.YRadius != 0)
node.DrawingNode.Attr.YRadius = nte.YRadius;
node.Tag = nte.Tag;
Graph.ResizeNodeToLabel(node);
}
internal void AddNode(DNode node)
{
m_Nodes.Add(node);
}