public dynPort(int index, PortType portType, dynNodeUI owner, string name)
{
InitializeComponent();
Index = index;
this.MouseEnter += delegate { foreach (var c in connectors) c.Highlight(); };
this.MouseLeave += delegate { foreach (var c in connectors) c.Unhighlight(); };
IsConnected = false;
PortType = portType;
Owner = owner;
PortName = name;
portGrid.DataContext = this;
portNameTb.DataContext = this;
toolTipText.DataContext = this;
ellipse1Dot.DataContext = this;
ellipse1.DataContext = Owner;
portGrid.Loaded += new RoutedEventHandler(portGrid_Loaded);
}
public dynNode()
{
InPortData = new List<PortData>();
OutPortData = new List<PortData>();
NodeUI = new dynNodeUI(this);
}
public dynConnector(dynNodeUI start, dynNodeUI end, int startIndex, int endIndex, int portType)
: this(start, end, startIndex, endIndex, portType, true)
{
}
public dynConnector(dynNodeUI start, dynNodeUI end, int startIndex, int endIndex, int portType, bool visible)
{
//don't try to create a connector with a bad start,
//end, or if we're trying to connector the same
//port to itself.
if (start == null || end == null || start == end)
{
throw new Exception("Attempting to create connector with invalid start or end nodes.");
}
pStart = start.OutPorts[startIndex];
dynPort endPort = null;
if (portType == 0)
endPort = end.InPorts[endIndex];
//connect the two ports
//get start point
pStart.Connect(this);
BrushConverter bc = new BrushConverter();
strokeBrush = (Brush)bc.ConvertFrom("#313131");
#region bezier creation
connector = new Path();
connector.Stroke = strokeBrush;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = STROKE_OPACITY;
connector.DataContext = this;
Binding strokeBinding = new Binding("StrokeBrush");
connector.SetBinding(Path.StrokeProperty, strokeBinding);
DoubleCollection dashArray = new DoubleCollection();
dashArray.Add(5); dashArray.Add(2);
connector.StrokeDashArray = dashArray;
PathGeometry connectorGeometry = new PathGeometry();
connectorPoints = new PathFigure();
connectorCurve = new BezierSegment();
connectorPoints.StartPoint = new Point(pStart.Center.X, pStart.Center.Y);
connectorCurve.Point1 = connectorPoints.StartPoint;
connectorCurve.Point2 = connectorPoints.StartPoint;
connectorCurve.Point3 = connectorPoints.StartPoint;
connectorPoints.Segments.Add(connectorCurve);
connectorGeometry.Figures.Add(connectorPoints);
connector.Data = connectorGeometry;
dynSettings.Workbench.Children.Add(connector);
#endregion
#region polyline creation
plineConnector = new Path();
plineConnector.Stroke = strokeBrush;
plineConnector.StrokeThickness = STROKE_THICKNESS;
plineConnector.Opacity = STROKE_OPACITY;
plineConnector.StrokeDashArray = dashArray;
PathGeometry plineGeometry = new PathGeometry();
//http://msdn.microsoft.com/en-us/library/system.windows.media.polylinesegment(v=vs.85).aspx
plineFigure = new PathFigure();
plineFigure.StartPoint = new Point(pStart.Center.X, pStart.Center.Y);
Point[] polyLinePointArray = new Point[] { connectorPoints.StartPoint,
connectorPoints.StartPoint,
connectorPoints.StartPoint};
pline = new PolyLineSegment(polyLinePointArray, true);
pline.Points = new PointCollection(polyLinePointArray);
plineFigure.Segments.Add(pline);
plineGeometry.Figures.Add(plineFigure);
plineConnector.Data = plineGeometry;
dynSettings.Workbench.Children.Add(plineConnector);
#endregion
endDot = new Ellipse();
endDot.Height = 6;
endDot.Width = 6;
endDot.Fill = Brushes.Black;
endDot.StrokeThickness = 2;
endDot.Stroke = Brushes.Black;
endDot.IsHitTestVisible = false;
endDot.MouseDown +=new System.Windows.Input.MouseButtonEventHandler(endDot_MouseDown);
Canvas.SetTop(endDot, connectorCurve.Point3.Y - END_DOT_SIZE / 2);
Canvas.SetLeft(endDot, connectorCurve.Point3.X - END_DOT_SIZE / 2);
dynSettings.Workbench.Children.Add(endDot);
endDot.Opacity = STROKE_OPACITY;
endDot.IsHitTestVisible = false;
endDot.MouseDown += new System.Windows.Input.MouseButtonEventHandler(endDot_MouseDown);
this.Visible = visible;
connector.MouseEnter += delegate { if (pEnd != null) Highlight(); };
connector.MouseLeave += delegate { Unhighlight(); };
plineConnector.MouseEnter += delegate { if (pEnd != null) Highlight(); };
plineConnector.MouseLeave += delegate { Unhighlight(); };
isDrawing = true;
//set this to not draggable
Dynamo.Controls.DragCanvas.SetCanBeDragged(this, false);
Dynamo.Controls.DragCanvas.SetCanBeDragged(connector, false);
//set the z order to the front
//Canvas.SetZIndex(this, 300);
Canvas.SetZIndex(this, 1);
this.Connect(endPort);
ConnectorType = dynSettings.Bench.ConnectorType;
}
void SetState(dynNodeUI el, ElementState state)
{
el.State = state;
}
private static void DeleteNode(dynNodeUI node)
{
foreach (var port in node.OutPorts)
{
for (int j = port.Connectors.Count - 1; j >= 0; j--)
{
port.Connectors[j].Kill();
}
}
foreach (dynPort p in node.InPorts)
{
for (int j = p.Connectors.Count - 1; j >= 0; j--)
{
p.Connectors[j].Kill();
}
}
dynSettings.Workbench.Selection.Remove(node);
dynSettings.Controller.Nodes.Remove(node.NodeLogic);
dynSettings.Workbench.Children.Remove(node);
}