public void Disconnect(dynPort p)
{
if (p.Equals(pStart))
{
//pStart.Owner.Outputs[pStart.Index] = null;
pStart = null;
}
if (p.Equals(pEnd))
{
if (pEnd.PortType == PortType.INPUT)
{
pEnd.Owner.InPortData[pEnd.Index].Object = null;
}
else if (pEnd.PortType == PortType.STATE)
{
pEnd.Owner.StatePortData[pEnd.Index].Object = null;
}
pEnd = null;
}
p.Disconnect(this);
//turn the connector back to dashed
connector.StrokeDashArray.Add(5);
connector.StrokeDashArray.Add(2);
}
public bool Connect(dynPort p)
{
//test if the port that you are connecting too is not the start port or the end port
//of the current connector
if (p.Equals(pStart) || p.Equals(pEnd))
{
return(false);
}
//if the selected connector is also an output connector, return false
//output ports can't be connected to eachother
if (p.PortType == PortType.OUTPUT)
{
return(false);
}
//test if the port that you are connecting to is an input and
//already has other connectors
if (p.PortType == PortType.INPUT && p.Connectors.Count > 0)
{
return(false);
}
//test if the port element at B can connect to the port at A
//test if you can convert the element at A to the element at b
if (p.PortType == PortType.INPUT)
{
if (!p.Owner.InPortData[p.Index].PortType.IsAssignableFrom(pStart.Owner.OutPortData[pStart.Index].PortType))
{
return(false);
}
}
else if (p.PortType == PortType.STATE)
{
if (!p.Owner.StatePortData[p.Index].PortType.IsAssignableFrom(pStart.Owner.OutPortData[pStart.Index].PortType))
{
return(false);
}
}
//turn the line solid
connector.StrokeDashArray.Clear();
pEnd = p;
if (pEnd != null)
{
//set the start and end values to equal so this
//starts evaulating immediately
pEnd.Owner.InPortData[p.Index].Object = pStart.Owner.OutPortData[pStart.Index].Object;
p.Connect(this);
pEnd.Update();
pEnd.Owner.Update();
}
return(true);
}
public dynConnector(dynPort port, Canvas workBench, Point mousePt)
{
//don't allow connections to start at an input port
if (port.PortType != PortType.INPUT)
{
//get start point
//this.workBench = workBench;
pStart = port;
pStart.Connect(this);
//Create a Bezier;
connector = new Path();
connector.Stroke = Brushes.Black;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = .8;
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;
workBench.Children.Add(connector);
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);
//register an event listener for the start port update
//this will tell the connector to set the elements at either
//end to be equal if pStart and pEnd are not null
//pStart.Owner.Outputs[pStart.Index].dynElementUpdated += new Dynamo.Elements.dynElementUpdatedHandler(StartPortUpdated);
}
else
{
throw new InvalidPortException();
}
}
public dynConnector(dynPort port, Canvas workBench, Point mousePt)
{
//don't allow connections to start at an input port
if (port.PortType != PortType.INPUT)
{
//get start point
//this.workBench = workBench;
pStart = port;
pStart.Connect(this);
//Create a Bezier;
connector = new Path();
connector.Stroke = Brushes.Black;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = .8;
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;
workBench.Children.Add(connector);
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);
//register an event listener for the start port update
//this will tell the connector to set the elements at either
//end to be equal if pStart and pEnd are not null
//pStart.Owner.Outputs[pStart.Index].dynElementUpdated += new Dynamo.Elements.dynElementUpdatedHandler(StartPortUpdated);
}
else
{
throw new InvalidPortException();
}
}
public void Kill()
{
if (pStart != null && pStart.Connectors.Contains(this))
{
pStart.Disconnect(this);
//pStart.Connectors.Remove(this);
//do not remove the owner's output element
}
if (pEnd != null && pEnd.Connectors.Contains(this))
{
pEnd.Disconnect(this);
//remove the reference to the
//dynElement attached to port A
pEnd.Owner.InPortData[pEnd.Index].Object = null;
}
pStart = null;
pEnd = null;
dynElementSettings.SharedInstance.Workbench.Children.Remove(connector);
isDrawing = false;
}
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;
}
/// <summary>
/// Add a dynPort element to this control.
/// </summary>
/// <param name="isInput">Is the port an input?</param>
/// <param name="index">The index of the port in the port list.</param>
public dynPort AddPort(PortType portType, string name, int index)
{
if (portType == PortType.INPUT)
{
if (inPorts.Count > index)
{
portTextBlocks[inPorts[index]].Text = name;
return inPorts[index];
}
else
{
dynPort p = new dynPort(index);
//create a text block for the name of the port
TextBlock tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
tb.FontSize = 12;
tb.FontWeight = FontWeights.Normal;
tb.Foreground = new SolidColorBrush(Colors.Black);
tb.Text = name;
tb.HorizontalAlignment = HorizontalAlignment.Left;
Canvas.SetZIndex(tb, 200);
p.PortType = PortType.INPUT;
InPorts.Add(p);
portTextBlocks[p] = tb;
gridLeft.Children.Add(p);
Grid.SetColumn(p, 0);
Grid.SetRow(p, index);
//portNamesLeft.Children.Add(tb);
gridLeft.Children.Add(tb);
Grid.SetColumn(tb, 1);
Grid.SetRow(tb, index);
p.Owner = this;
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
return p;
}
}
else if (portType == PortType.OUTPUT)
{
if (outPorts.Count > index)
{
portTextBlocks[outPorts[index]].Text = name;
return outPorts[index];
}
else
{
dynPort p = new dynPort(index);
//create a text block for the name of the port
TextBlock tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
tb.FontSize = 12;
tb.FontWeight = FontWeights.Normal;
tb.Foreground = new SolidColorBrush(Colors.Black);
tb.Text = name;
tb.HorizontalAlignment = HorizontalAlignment.Right;
p.PortType = PortType.OUTPUT;
OutPorts.Add(p);
portTextBlocks[p] = tb;
gridRight.Children.Add(p);
Grid.SetColumn(p, 1);
Grid.SetRow(p, index);
//portNamesLeft.Children.Add(tb);
gridRight.Children.Add(tb);
Grid.SetColumn(tb, 0);
Grid.SetRow(tb, index);
p.Owner = this;
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
ScaleTransform trans = new ScaleTransform(-1, 1, p.Width / 2, p.Height / 2);
p.RenderTransform = trans;
return p;
}
}
return null;
}
public dynConnector(dynElement start, dynElement end, int startIndex, int endIndex, int portType)
{
//this.workBench = settings.WorkBench;
//if (start != null && end != null && start != end)
//{
//in the start element, find the out port at the startIndex
pStart = start.OutPorts[startIndex];
dynPort endPort = null;
if (portType == 0)
{
endPort = end.InPorts[endIndex];
}
else if (portType == 1)
{
endPort = end.StatePorts[endIndex];
}
//connect the two ports
//get start point
pStart.Connect(this);
#region bezier creation
connector = new Path();
connector.Stroke = Brushes.Black;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = .8;
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;
dynElementSettings.SharedInstance.Workbench.Children.Add(connector);
#endregion
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);
this.Connect(endPort);
//}
}
public void ClearOutputs()
{
foreach (dynConnector c in outPort.Connectors)
{
c.Kill();
}
outPort = null;
outPortData = null;
}
private void RemovePort(dynPort inport)
{
if (inport.PortType == PortType.INPUT)
{
int index = inPorts.FindIndex(x => x == inport);
gridLeft.Children.Remove(inport);
gridLeft.Children.Remove(inPortTextBlocks[inport]);
while (inport.Connectors.Any())
{
inport.Connectors[0].Kill();
}
}
}
public void Kill()
{
if (pStart != null && pStart.Connectors.Contains(this))
{
pStart.Disconnect(this);
//pStart.Connectors.Remove(this);
//do not remove the owner's output element
}
if (pEnd != null && pEnd.Connectors.Contains(this))
{
pEnd.Disconnect(this);
//remove the reference to the
//dynElement attached to port A
//if (pEnd.Index < pEnd.Owner.InPortData.Count)
//{
// pEnd.Owner.InPortData[pEnd.Index].Object = null;
//}
}
pStart = null;
pEnd = null;
dynSettings.Workbench.Children.Remove(connector);
dynSettings.Workbench.Children.Remove(plineConnector);
dynSettings.Workbench.Children.Remove(endDot);
isDrawing = false;
dynSettings.Bench.RemoveConnector(this);
}
public dynConnector(dynPort port, Canvas workBench, Point mousePt)
{
//don't allow connections to start at an input port
if (port.PortType != PortType.INPUT)
{
//get start point
//this.workBench = workBench;
pStart = port;
pStart.Connect(this);
BrushConverter bc = new BrushConverter();
Brush strokeBrush = (Brush)bc.ConvertFrom("#313131");
#region bezier creation
connector = new Path();
connector.Stroke = strokeBrush;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = STROKE_OPACITY;
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;
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 = connectorPoints.StartPoint;
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;
dynElementSettings.SharedInstance.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;
Canvas.SetTop(endDot, connectorCurve.Point3.Y - END_DOT_SIZE/2);
Canvas.SetLeft(endDot, connectorCurve.Point3.X - END_DOT_SIZE/2);
dynElementSettings.SharedInstance.Workbench.Children.Add(endDot);
endDot.Opacity = STROKE_OPACITY;
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(connector, 0);
Canvas.SetZIndex(endDot, 1);
//register an event listener for the start port update
//this will tell the connector to set the elements at either
//end to be equal if pStart and pEnd are not null
//pStart.Owner.Outputs[pStart.Index].dynElementUpdated += new Dynamo.Elements.dynElementUpdatedHandler(StartPortUpdated);
this.ConnectorType = dynElementSettings.SharedInstance.Bench.ConnectorType;
dynElementSettings.SharedInstance.Bench.settings_curves.Checked += new RoutedEventHandler(settings_curves_Checked);
dynElementSettings.SharedInstance.Bench.settings_plines.Checked += new RoutedEventHandler(settings_plines_Checked);
}
else
{
throw new InvalidPortException();
}
}
public dynConnector(dynNode start, dynNode end, int startIndex, int endIndex, int portType, bool visible)
{
//this.workBench = settings.WorkBench;
//if (start != null && end != null && start != end)
//{
//in the start element, find the out port at the startIndex
pStart = start.OutPort;
dynPort endPort = null;
if (portType == 0)
endPort = end.InPorts[endIndex];
else if (portType == 1)
endPort = end.StatePorts[endIndex];
//connect the two ports
//get start point
pStart.Connect(this);
BrushConverter bc = new BrushConverter();
Brush strokeBrush = (Brush)bc.ConvertFrom("#313131");
#region bezier creation
connector = new Path();
connector.Stroke = strokeBrush;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = STROKE_OPACITY;
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;
dynElementSettings.SharedInstance.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;
dynElementSettings.SharedInstance.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;
Canvas.SetTop(endDot, connectorCurve.Point3.Y - END_DOT_SIZE/2);
Canvas.SetLeft(endDot, connectorCurve.Point3.X - END_DOT_SIZE/2);
dynElementSettings.SharedInstance.Workbench.Children.Add(endDot);
endDot.Opacity = STROKE_OPACITY;
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);
this.Connect(endPort);
this.ConnectorType = dynElementSettings.SharedInstance.Bench.ConnectorType;
dynElementSettings.SharedInstance.Bench.settings_curves.Checked += new RoutedEventHandler(settings_curves_Checked);
dynElementSettings.SharedInstance.Bench.settings_plines.Checked += new RoutedEventHandler(settings_plines_Checked);
}
public bool Connect(dynPort p)
{
//test if the port that you are connecting too is not the start port or the end port
//of the current connector
if (p.Equals(pStart) || p.Equals(pEnd))
{
return false;
}
//if the selected connector is also an output connector, return false
//output ports can't be connected to eachother
if (p.PortType == PortType.OUTPUT)
{
return false;
}
//test if the port that you are connecting to is an input and
//already has other connectors
if (p.PortType == PortType.INPUT && p.Connectors.Count > 0)
{
return false;
}
//turn the line solid
connector.StrokeDashArray.Clear();
plineConnector.StrokeDashArray.Clear();
pEnd = p;
if (pEnd != null)
{
//set the start and end values to equal so this
//starts evaulating immediately
//pEnd.Owner.InPortData[p.Index].Object = pStart.Owner.OutPortData.Object;
p.Connect(this);
pEnd.Update();
}
return true;
}
/// <summary>
/// Add a dynPort element to this control.
/// </summary>
/// <param name="isInput">Is the port an input?</param>
/// <param name="index">The index of the port in the port list.</param>
public void AddPort(object el, PortType portType, string name, int index)
{
dynPort p = new dynPort(index);
//create a text block for the name of the port
TextBlock tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
tb.FontSize = 12;
tb.FontWeight = FontWeights.Normal;
tb.Foreground = new SolidColorBrush(Colors.Black);
tb.Text = name;
//set the z order to the back
//Canvas.SetZIndex(p, 1);
if (portType == PortType.INPUT)
{
tb.HorizontalAlignment = HorizontalAlignment.Left;
p.PortType = PortType.INPUT;
inPorts.Add(p);
gridLeft.Children.Add(p);
Grid.SetColumn(p, 0);
Grid.SetRow(p, index);
//portNamesLeft.Children.Add(tb);
gridLeft.Children.Add(tb);
Grid.SetColumn(tb, 1);
Grid.SetRow(tb, index);
}
else if(portType == PortType.OUTPUT)
{
tb.HorizontalAlignment = HorizontalAlignment.Right;
p.PortType = PortType.OUTPUT;
outPorts.Add(p);
gridRight.Children.Add(p);
Grid.SetColumn(p, 1);
Grid.SetRow(p, index);
//portNamesRight.Children.Add(tb);
gridRight.Children.Add(tb);
Grid.SetColumn(tb, 0);
Grid.SetRow(tb, index);
}
//else if (portType == PortType.STATE)
//{
// tb.HorizontalAlignment = HorizontalAlignment.Center;
// p.PortType = PortType.STATE;
// statePorts.Add(p);
// gridBottom.Children.Add(p);
// Grid.SetColumn(p, index);
// Grid.SetRow(p, 0);
// portNamesBottom.Children.Add(tb);
// Grid.SetColumn(tb, index);
// Grid.SetRow(tb, 0);
//}
p.Owner = this;
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
}
public void Disconnect(dynPort p)
{
if (p.Equals(pStart))
{
pStart = null;
}
if (p.Equals(pEnd))
{
pEnd = null;
}
p.Disconnect(this);
//turn the connector back to dashed
connector.StrokeDashArray.Add(5);
connector.StrokeDashArray.Add(2);
plineConnector.StrokeDashArray.Add(5);
plineConnector.StrokeDashArray.Add(2);
}
public dynConnector(dynElement start, dynElement end, int startIndex, int endIndex, int portType)
{
//this.workBench = settings.WorkBench;
//if (start != null && end != null && start != end)
//{
//in the start element, find the out port at the startIndex
pStart = start.OutPorts[startIndex];
dynPort endPort = null;
if (portType == 0)
endPort = end.InPorts[endIndex];
else if (portType == 1)
endPort = end.StatePorts[endIndex];
//connect the two ports
//get start point
pStart.Connect(this);
#region bezier creation
connector = new Path();
connector.Stroke = Brushes.Black;
connector.StrokeThickness = STROKE_THICKNESS;
connector.Opacity = .8;
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;
dynElementSettings.SharedInstance.Workbench.Children.Add(connector);
#endregion
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);
this.Connect(endPort);
//}
}
public dynConnector(dynPort port, Canvas workBench, Point mousePt)
{
//don't allow connections to start at an input port
if (port.PortType != PortType.INPUT)
{
//get start point
//this.workBench = workBench;
pStart = port;
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;
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 = connectorPoints.StartPoint;
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;
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(connector, 0);
Canvas.SetZIndex(endDot, 1);
ConnectorType = dynSettings.Bench.ConnectorType;
}
else
{
throw new InvalidPortException();
}
}
public void Disconnect(dynPort p)
{
if (p.Equals(pStart))
{
//pStart.Owner.Outputs[pStart.Index] = null;
pStart = null;
}
if (p.Equals(pEnd))
{
if(pEnd.PortType == PortType.INPUT)
pEnd.Owner.InPortData[pEnd.Index].Object = null;
else if(pEnd.PortType == PortType.STATE)
pEnd.Owner.StatePortData[pEnd.Index].Object = null;
pEnd = null;
}
p.Disconnect(this);
//turn the connector back to dashed
connector.StrokeDashArray.Add(5);
connector.StrokeDashArray.Add(2);
}
/// <summary>
/// Add a dynPort element to this control.
/// </summary>
/// <param name="isInput">Is the port an input?</param>
/// <param name="index">The index of the port in the port list.</param>
public void AddPort(PortType portType, string name, int index)
{
if (portType == PortType.INPUT)
{
if (inPorts.Count > index)
{
inPortTextBlocks[inPorts[index]].Text = name;
}
else
{
dynPort p = new dynPort(index);
//create a text block for the name of the port
TextBlock tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
tb.FontSize = 12;
tb.FontWeight = FontWeights.Normal;
tb.Foreground = new SolidColorBrush(Colors.Black);
tb.Text = name;
tb.HorizontalAlignment = HorizontalAlignment.Left;
Canvas.SetZIndex(tb, 200);
p.PortType = PortType.INPUT;
inPorts.Add(p);
inPortTextBlocks[p] = tb;
gridLeft.Children.Add(p);
Grid.SetColumn(p, 0);
Grid.SetRow(p, index);
//portNamesLeft.Children.Add(tb);
gridLeft.Children.Add(tb);
Grid.SetColumn(tb, 1);
Grid.SetRow(tb, index);
p.Owner = this;
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
}
}
}
public void Kill()
{
if (pStart != null && pStart.Connectors.Contains(this))
{
pStart.Disconnect(this);
//pStart.Connectors.Remove(this);
//do not remove the owner's output element
}
if (pEnd!= null && pEnd.Connectors.Contains(this))
{
pEnd.Disconnect(this);
//remove the reference to the
//dynElement attached to port A
pEnd.Owner.InPortData[pEnd.Index].Object = null;
}
pStart = null;
pEnd = null;
dynElementSettings.SharedInstance.Workbench.Children.Remove(connector);
isDrawing = false;
}
/// <summary>
/// Reads outputs list and adds ports for each output
/// </summary>
public void RegisterOutputs()
{
//outPorts.Clear();
//read the outputs list and create a number of
//output ports
//int count = 0;
//foreach (PortData pd in OutPortData)
//{
// //add a port for each output
// //pass in the y center of the port
// AddPort(pd.Object, PortType.OUTPUT, outPortData[count].NickName, count);
// count++;
//}
//AddPort(OutPortData.Object, PortType.OUTPUT, OutPortData.NickName, 0);
dynPort p = new dynPort(0);
//create a text block for the name of the port
TextBlock tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
tb.FontSize = 12;
tb.FontWeight = FontWeights.Normal;
tb.Foreground = new SolidColorBrush(Colors.Black);
tb.Text = OutPortData.NickName;
tb.HorizontalAlignment = HorizontalAlignment.Right;
ScaleTransform trans = new ScaleTransform(-1, 1, p.Width/2, p.Height/2);
p.RenderTransform = trans;
p.PortType = PortType.OUTPUT;
outPort = p;
gridRight.Children.Add(p);
Grid.SetColumn(p, 1);
Grid.SetRow(p, 0);
//portNamesRight.Children.Add(tb);
gridRight.Children.Add(tb);
Grid.SetColumn(tb, 0);
Grid.SetRow(tb, 0);
p.Owner = this;
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
}
/// <summary>
/// Add a dynPort element to this control.
/// </summary>
/// <param name="isInput">Is the port an input?</param>
/// <param name="index">The index of the port in the port list.</param>
public dynPort AddPort(PortType portType, string name, int index)
{
if (portType == PortType.INPUT)
{
if (inPorts.Count > index)
{
return inPorts[index];
}
else
{
dynPort p = new dynPort(index, portType, this, name);
InPorts.Add(p);
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
return p;
}
}
else if (portType == PortType.OUTPUT)
{
if (outPorts.Count > index)
{
return outPorts[index];
}
else
{
dynPort p = new dynPort(index, portType, this, name);
OutPorts.Add(p);
//register listeners on the port
p.PortConnected += new PortConnectedHandler(p_PortConnected);
p.PortDisconnected += new PortConnectedHandler(p_PortDisconnected);
return p;
}
}
return null;
}
