private void ConnectToNearbyNode(DiagramLink link)
{
// connect to a nearby origin node
var origin = diagram.Nodes.OrderBy(n =>
MindFusion.Utilities.Distance(n.GetCenter(), link.StartPoint)).FirstOrDefault();
if (origin != null)
{
var distance = MindFusion.Utilities.Distance(origin.GetCenter(), link.StartPoint);
if (distance < 120)
{
link.Origin = origin;
link.Route();
}
}
// connect to a nearby destination node
var destination = diagram.Nodes.Where(n => n != origin).OrderBy(n =>
MindFusion.Utilities.Distance(n.GetCenter(), link.EndPoint)).FirstOrDefault();
if (destination != null)
{
var distance = MindFusion.Utilities.Distance(destination.GetCenter(), link.EndPoint);
if (distance < 120)
{
link.Destination = destination;
link.Route();
}
}
}
public ShapeNode RBuildTree(Diagram parent)
{
ShapeNode node = new ShapeNode(parent)
{
Bounds = new Rect(new Point(), MainWindow.NodeSize),
Text = Key.ToString(),
Tag = this
};
parent.Nodes.Add(node);
if (LeftChild != null)
{
var childNode = LeftChild.RBuildTree(parent);
childNode.AttachTo(node, AttachToNode.TopLeft);
var link = new DiagramLink(parent, node, childNode);
parent.Links.Add(link);
}
if (RightChild != null)
{
var childNode = RightChild.RBuildTree(parent);
childNode.AttachTo(node, AttachToNode.TopRight);
var link = new DiagramLink(parent, node, childNode);
parent.Links.Add(link);
}
return(node);
}
private void CreateLink(TreeViewNode outgoing, TreeViewNode incoming)
{
DiagramLink tmp = diagram1.Factory.CreateDiagramLink(outgoing, incoming);
tmp.AddLabel((string)incoming.Id);
tmp.Id = (string)outgoing.Id + (string)incoming.Id;
//incoming.AttachTo(outgoing, AttachToNode.BottomCenter);
tmp.AutoRoute = true;
}
private void diagram1_LinkClicked(object sender, LinkEventArgs e)
{
if (e.MouseButton == MouseButton.Right)
{
Point point = diagramView1.DocToClient((e.MousePosition));
point.X = point.X + diagramView1.Bounds.X;
contextMenuStrip1.Show(this, point);
link = e.Link;
}
}
private ShapeNode generateShapeNode(IVisualizableNode visNode, ShapeNode parent)
{
var node = generateShapeNode(visNode);
node.AttachTo(parent, AttachToNode.BottomCenter);
var link = new DiagramLink(treeDiagram, parent, node);
styleLink(link);
treeDiagram.Links.Add(link);
return(node);
}
DiagramLink _rightLink; //связь по которой щелкнули правой кнопкой
private void DdLinkClicked(object sender, LinkEventArgs e)
{
myContextMenu.IsEnabled = false;
myContextMenu.Visibility = Visibility.Collapsed;
if (e.MouseButton == MouseButton.Right && CanEdit)
{
_rightLink = e.Link;
myContextMenu.IsEnabled = true;
myContextMenu.Visibility = Visibility.Visible;
myContextMenu.DataContext = MenuOptionsLink;
}
}
private void CreateLink(TreeViewNode outgoingNode, TreeViewItem outgoingItem, TreeViewNode incoming)
{
//DiagramLink tmp = diagram1.Factory.CreateDiagramLink(outgoingNode, incoming);
DiagramLink tmp = new DiagramLink(diagram1);
tmp.OriginConnection = new TreeViewConnectionPoint(outgoingNode, tmp, false, outgoingItem);
outgoingItem.OutgoingLinks.Add(tmp);
tmp.DestinationConnection = new ConnectionPoint(incoming, tmp, true);
incoming.IncomingLinks.Add(tmp);
tmp.AddLabel((string)incoming.Id);
tmp.Id = outgoingItem.Label.Substring(11) + (string)incoming.Id;
tmp.AutoRoute = true;
diagram1.Links.Add(tmp);
}
public virtual void UpdateDiscreteAngleForces(DiagramLink diagramLink, double linkMomentConstant)
{
if (diagramLink.PreferredAngles == null || diagramLink.PreferredAngles.Length == 0)
{
return;
}
var startNode = diagramLink.StartNode;
var endNode = diagramLink.EndNode;
var vectorToConnectedNode = endNode.Pos - startNode.Pos;
var vectorToConnectedNode3D = new Vector3D(vectorToConnectedNode.X, vectorToConnectedNode.Y, 0);
vectorToConnectedNode.Normalize();
var rotateClockwiseVector3D = Vector3D.CrossProduct(vectorToConnectedNode3D, new Vector3D(0, 0, 1));
var rotateCounterClockwiseVector3D = Vector3D.CrossProduct(vectorToConnectedNode3D, new Vector3D(0, 0, -1));
var rotateClockwiseVector = new Vector(rotateClockwiseVector3D.X, rotateClockwiseVector3D.Y);
var rotateCounterClockwiseVector = new Vector(rotateCounterClockwiseVector3D.X, rotateCounterClockwiseVector3D.Y);
double angle0 = diagramLink.Angle0;
// Try to refactor enum into array of doubles
double[] preferredAngles = diagramLink.PreferredAngles;
double angle;
double currentPreferredAngle = GetPreferredAngle(angle0, preferredAngles, out angle);
bool rotateClockwise = angle0 - currentPreferredAngle > 0;
// Let's say the preferred angles are 45, 135, 225 and 315
// Then the link forces should be continuous around these angles.
// This is currently not the case when we choose preferred angle and disrespect the rest of the angles.
// Then we get a labiel evenwicht: one small movement to the left or right of angle 0, and the
// link will be drawn towards 45 or -45 degrees.
// To prevent discontinuities, we cannot choose a preferred angle: all the angles should always exert a force.
// This only works if we define the angles between the preferred angles (in this example, 0, 90, 180, 270),
// if those angles define the moment forces on the link and if the forces increase if the angle gets bigger.
//
var vector = rotateClockwise ? rotateClockwiseVector : rotateCounterClockwiseVector;
var torsionForce = angle * linkMomentConstant;
var force = torsionForce * diagramLink.HalfLength; // Force is exerted from the middle of the link
startNode.AddForce(ForceType.DiscreteAngles, vector * force);
endNode.AddForce(ForceType.DiscreteAngles, -vector * force);
}
private void _connectorList_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
if (e.Index < 0)
{
return;
}
// Draw the item
ListBox_DrawItem(_connectorList, e);
Pen pen = new Pen(Color.Black);
Point p0 = new Point(e.Bounds.X + 2, e.Bounds.Y + 13);
Point p1 = new Point(e.Bounds.X + 19, e.Bounds.Y + 13);
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
e.Graphics.DrawLine(Pens.Black, p0, p1);
DiagramLink.DrawArrowhead(new GdiGraphics(e.Graphics), pen, Brushes.LightSkyBlue,
_connectors[e.Index].Head, new PointF(50, 0), p1, p0, 12F, false);
pen.Dispose();
}
/// <summary>
/// Calculates the attraction force between two connected nodes, using the specified spring length.
/// </summary>
private static Vector CalcAttractionForce(DiagramLink diagramLink, double springLength, double attractionConstant)
{
if (diagramLink.StartNode == diagramLink.EndNode)
{
return(new Vector(0, 0));
}
var proximity = Math.Max(diagramLink.StartNode.GetDistanceToNode(diagramLink.EndNode), 0);
//var proximity = CalcDistance(a, b);
// Hooke's Law: F = -kx
var force = attractionConstant * (proximity - springLength);
//var force = ATTRACTION_CONSTANT * (proximity - springLength);
//var angle = GetBearingAngle(a, b);
//var angle = Math.Atan((b.Y - a.Y) / (b.X - a.X));
//return new Vector(force * Math.Cos(angle), force * Math.Sin(angle));
var vector = diagramLink.EndNode.Pos - diagramLink.StartNode.Pos;
if (vector.Length > 0)
{
vector.Normalize();
}
return(vector * force);
}
private void styleLink(DiagramLink link)
{
link.Brush = new MindFusion.Drawing.SolidBrush(Color.Blue);
link.HeadShape = ArrowHeads.Triangle;
link.HeadShapeSize = 2.5f;
}
void nodeSelected_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ShapeNode node = sender as ShapeNode;
if (_selectedLink != null)
{
DiagramHelper.UnSelectLink(_selectedLink);
_selectedLink = null;
}
if(node == _selectedNode)
{
DiagramHelper.UnSelectNode(_selectedNode);
_selectedNode = null;
return;
}
if (_selectedNode != null)
DiagramHelper.UnSelectNode(_selectedNode);
_selectedNode = node;
DiagramHelper.SelectNode(node);
}
private void drawLinks(ShapeNode origin, Circle data)
{
ShapeNode letterDestiny = null;
switch (data.Letter)
{
case "q0": letterDestiny = q0; break;
case "q1": letterDestiny = q1; break;
case "q2": letterDestiny = q2; break;
case "q3": letterDestiny = q3; break;
case "q4": letterDestiny = q4; break;
case "A": break;
}
if (letterDestiny != null)
{
DiagramLink link = new DiagramLink(diagram, origin, letterDestiny);
link.Text = "Letra";
diagram.Links.Add(link);
}
ShapeNode numberDestiny = null;
switch (data.Number)
{
case "q0": numberDestiny = q0; break;
case "q1": numberDestiny = q1; break;
case "q2": numberDestiny = q2; break;
case "q3": numberDestiny = q3; break;
case "q4": numberDestiny = q4; break;
case "A": break;
}
if (numberDestiny != null)
{
DiagramLink link = new DiagramLink(diagram, origin, numberDestiny);
link.Text = "Numero";
diagram.Links.Add(link);
}
ShapeNode plusDestiny = null;
switch (data.PlusSymbol)
{
case "q0": plusDestiny = q0; break;
case "q1": plusDestiny = q1; break;
case "q2": plusDestiny = q2; break;
case "q3": plusDestiny = q3; break;
case "q4": plusDestiny = q4; break;
case "A": break;
}
if (plusDestiny != null)
{
DiagramLink link = new DiagramLink(diagram, origin, plusDestiny);
link.Text = "+";
diagram.Links.Add(link);
}
ShapeNode equalDestiny = null;
switch (data.EqualSymbol)
{
case "q0": equalDestiny = q0; break;
case "q1": equalDestiny = q1; break;
case "q2": equalDestiny = q2; break;
case "q3": equalDestiny = q3; break;
case "q4": equalDestiny = q4; break;
case "A": break;
}
if (equalDestiny != null)
{
DiagramLink link = new DiagramLink(diagram, origin, equalDestiny);
link.Text = "=";
diagram.Links.Add(link);
}
}
//根据xml绘制CFG
public void DrawGraph(object xmlPaths, bool isLog)
{
//使用之前，先全部清理掉
string xmlPath = xmlPaths as string;
string retu_id = "";
string Nodenum = "";//结点的个数
diagram.ClearAll();
diagram.LinkHeadShape = ArrowHeads.PointerArrow;//设置连线箭头的类型
GlassEffect effect = new GlassEffect();
effect.Type = GlassEffectType.Type4;//设置结点的玻璃效果
effect.GlowColor = Colors.Black;
diagram.NodeEffects.Add(effect);
var nodeMap = new Dictionary <string, DiagramNode>();
var bounds = new Rect(30, 30, 10, 2);
// load the graph xml
var xml = XDocument.Load(xmlPath);
var graph = xml.Element("Graph");
// load node data
var sours = graph.Descendants("Source");
foreach (var sour in sours)//获取exit的结点
{
retu_id = sour.Attribute("retNo").Value;
Nodenum = sour.Attribute("noNum").Value;
}
var nodes = graph.Descendants("Node");
foreach (var node in nodes)
{
var diagramNode = diagram.Factory.CreateShapeNode(bounds);
nodeMap[node.Attribute("id").Value] = diagramNode;
diagramNode.Text = node.Attribute("name").Value;
//--调整结点大小以显示全部内容，必须放在设置了内容值之后
diagramNode.ResizeToFitText(FitSize.KeepRatio);
diagramNode.TextAlignment = TextAlignment.Left;
}
//设置特殊结点的颜色
ShapeNode s2 = (ShapeNode)nodeMap["0"];//起点位置是绿色
s2.Brush = Brushes.LightGreen;
if (Nodenum != "1") //对于只有一个结点的情况处理
{
s2 = (ShapeNode)nodeMap[retu_id]; //终止位置是红色
s2.Brush = Brushes.Red;
// load link data
Style linkStyle = new Style();
linkStyle.Setters.Add(new Setter(DiagramLink.BrushProperty, Brushes.Red));//log信息的颜色标记
var links = graph.Descendants("Link");
foreach (var link in links)
{
DiagramLink dl = diagram.Factory.CreateDiagramLink(
nodeMap[link.Attribute("origin").Value],
nodeMap[link.Attribute("target").Value]);
if (link.Attribute("label").Value.Equals("True"))//为ifelse 标记形状
{
ShapeNode s = (ShapeNode)nodeMap[link.Attribute("origin").Value];
s.Shape = Shapes.Decision;
//s.Brush = Brushes.RoyalBlue;
s.TextAlignment = TextAlignment.Center;
}
//----------log采集的信息显示
if (isLog && !link.Attribute("log").Value.Equals("0"))
{
dl.Style = linkStyle;
string logShow = link.Attribute("log").Value.Remove(0, 1);
dl.AddLabel(link.Attribute("label").Value + "--" + logShow); //显示运行的步骤信息
dl.IntermediateShape = ArrowHeads.PointerArrow;
}
else
{
dl.AddLabel(link.Attribute("label").Value); //添加链接信息
}
//diagram.DiagramLinkStyle = linkStyle;
//Brush a = new Brush();
//a.
//dl.HeadPen.Brush = Brush;
}
}
// arrange the graph
var layout = new MindFusion.Diagramming.Wpf.Layout.DecisionLayout();
//layout.IgnoreNodeSize = false;//使得结点不会覆盖显示
layout.StartNode = nodeMap["0"];
layout.Arrange(diagram);//自动布局结点
}
void linkSelect_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (_selectedNode != null)
{
DiagramHelper.UnSelectNode(_selectedNode);
_selectedNode = null;
}
DiagramLink link = sender as DiagramLink;
if (link == _selectedLink)
{
DiagramHelper.UnSelectLink(link);
_selectedLink = null;
return;
}
if (_selectedLink != null)
DiagramHelper.UnSelectLink(_selectedLink);
_selectedLink = sender as DiagramLink;
DiagramHelper.SelectLink(_selectedLink);
}
private static void SelectLinkLook(DiagramLink link)
{
link.Brush = Brushes.Red;
link.Stroke = Brushes.Blue;
link.TextBrush = Brushes.Blue;
link.FontSize = 16;
link.FontWeight = FontWeights.Bold;
link.TextStyle = LinkTextStyle.OverLongestSegment;
link.ZIndex = 10;
}
public static void UnSelectLink(DiagramLink link)
{
UnSelectNodeLook((ShapeNode)link.Destination);
UnSelectLinkLook(link);
UnSelectNodeLook((ShapeNode)link.Origin);
}
private static void UnSelectLinkLook(DiagramLink link)
{
link.Brush = Brushes.Green;
link.Stroke = Brushes.Black;
link.TextBrush = Brushes.Black;
link.FontSize = 14;
link.FontWeight = FontWeights.Normal;
link.TextStyle = LinkTextStyle.Center;
link.ZIndex = 0;
}
public void RaiseLinkTextEdited(DiagramLink link, string oldText, string newText);
// отрисовка диаграммы
private void DrawDiagram()
{
FrameDiagram.ClearAll();
List<Frame> curList = ClassFactory.kBase.FrameList();
foreach (Frame frm in curList)
{
// рисование вершин
ShapeNode node = new ShapeNode { Text = frm.FrameName, Id = frm.FrameId, Brush = new SolidBrush(Color.PowderBlue), Shape = Shapes.Ellipse };
node.Font = new System.Drawing.Font("Microsoft Sans Serif", 9, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(204)));
node.TextFormat.Alignment = StringAlignment.Center;
node.TextFormat.LineAlignment = StringAlignment.Center;
node.SetBounds(new RectangleF(new PointF(frm.X, frm.Y), new SizeF(100, 30)), true, true);
FrameDiagram.Nodes.Add(node);
//if (frm.IsA != null)
//{
// DiagramNode from, destination;
// from=
// DiagramLink link=new DiagramLink(FrameDiagram, origin, destination);
// //FrameDiagram.Links.Add(
//}
}
foreach (Frame frm in curList)
{
foreach (Slot slot in frm.FrameSlots)
if (slot.SlotType == Classes.SlotType.Frame)
{
//значит, это субфрейм. Надо нарисовать дугу :)
ShapeNode nodeSubframe = findNodeById(slot.frameId);
ShapeNode nodeMainFrame = findNodeById(frm.FrameId);
DiagramLink link = new DiagramLink(FrameDiagram, nodeSubframe, nodeMainFrame);
link.Text = "Sub";
link.TextColor = Color.DarkBlue;
link.Pen.Color = Color.Blue;
FrameDiagram.Links.Add(link);
}
}
//link.HeadShape = FrameDiagram.Nodes[1];
foreach (ShapeNode node in FrameDiagram.Nodes)
{
Frame from = ClassFactory.kBase.FrameList().Find(f => f.FrameId == (int)node.Id);
if (from.IsA != null)
{
if (from.IsA.frameId != -1)
{
ShapeNode nodeTo = null;
int idTo = from.IsA.frameId;
foreach (ShapeNode innerNode in FrameDiagram.Nodes)
if (((int)innerNode.Id) == idTo)
{
nodeTo = innerNode;
break;
}
DiagramLink link = new DiagramLink(FrameDiagram, node, nodeTo);
link.Text = "Is_a";
link.TextColor = Color.DarkRed;
link.Pen.Color = Color.Red;
FrameDiagram.Links.Add(link);
}
}
//if (node.GetBounds().Contains(e.X, e.Y))
//{
// ClassFactory.kBase.FrameList().Find(f => f.FrameId == (int)node.Id).X = e.X;
// ClassFactory.kBase.FrameList().Find(f => f.FrameId == (int)node.Id).Y = e.Y;
//}
}
//FrameDiagram.Links.
}
public bool RaiseLinkTextEditing(DiagramLink link);