public override void Execute()
{
if (Elements == null)
{
return;
}
MouseElements mouseElements = MouseElements;
foreach (Element element in Elements)
{
if (element.Visible)
{
if (element.ActionElement == null)
{
throw new ComponentException("Element action may not be null.");
}
if (element is Shape)
{
Shape shape = (Shape)element;
Shape actionShape = (Shape)element.ActionElement;
//Round values if appropriate
if (Controller.RoundPixels)
{
shape.Location = Point.Round(shape.Location);
shape.Size = System.Drawing.Size.Round(shape.Size);
}
//Move and scale. Shape size property does not check equality
if (!actionShape.Location.Equals(shape.Location))
{
actionShape.Location = shape.Location; //new PointF(shape.X,shape.Y);
}
if (!actionShape.Size.Equals(shape.Size))
{
actionShape.Size = shape.Size;
}
//Update children of a complex shape
if (shape is ComplexShape)
{
ComplexShape complex = (ComplexShape)shape;
foreach (Solid solid in complex.Children.Values)
{
Solid actionSolid = (Solid)solid.ActionElement;
actionSolid.SetPath(solid.GetPath());
actionSolid.SetRectangle(solid.Location);
actionSolid.SetTransformRectangle(solid.Location);
}
}
}
//Update rotation
if (element is ITransformable)
{
ITransformable transform = element as ITransformable;
ITransformable actionTransform = element.ActionElement as ITransformable;
if (actionTransform.Rotation != transform.Rotation)
{
actionTransform.Rotation = transform.Rotation;
}
}
if (element is Port)
{
Port port = (Port)element;
Port actionPort = (Port)element.ActionElement;
//Move and scale. Port size property does not check equality
if (!actionPort.Location.Equals(port.Location))
{
actionPort.Location = port.Location; //new PointF(port.X,port.Y);
}
//Update the port percentage
IPortContainer ports = (IPortContainer)actionPort.Parent;
ports.GetPortPercentage(actionPort, actionPort.Location);
}
//Update the locations of the line origins
if (element is Link)
{
Link clone = (Link)element;
//Undock any origins
if (mouseElements.MouseStartOrigin != null && mouseElements.MouseStartOrigin.Docked && mouseElements.MouseStartOrigin.AllowMove)
{
Origin origin = mouseElements.MouseStartOrigin;
if (origin == origin.Parent.Start)
{
origin.Location = origin.Parent.FirstPoint;
}
if (origin == origin.Parent.End)
{
origin.Location = origin.Parent.LastPoint;
}
}
if (element is ComplexLine)
{
ComplexLine complexLine = (ComplexLine)element;
ComplexLine actionLine = (ComplexLine)element.ActionElement;
Segment segment = null;
Segment actionSegment = null;
for (int i = 0; i < complexLine.Segments.Count; i++)
{
segment = complexLine.Segments[i];
actionSegment = actionLine.Segments[i];
if (!actionSegment.Start.Docked)
{
actionSegment.Start.Location = segment.Start.Location;
}
}
//Update end of last segment
if (segment != null && actionSegment != null && !actionSegment.End.Docked)
{
actionSegment.End.Location = segment.End.Location;
}
actionLine.DrawPath();
actionLine.LocatePorts();
}
else if (element is Curve)
{
Curve curve = (Curve)element;
Curve actionCurve = (Curve)element.ActionElement;
if (!actionCurve.Start.Docked)
{
actionCurve.Start.Location = curve.Start.Location;
}
if (!actionCurve.End.Docked)
{
actionCurve.End.Location = curve.End.Location;
}
actionCurve.ControlPoints = curve.ControlPoints;
actionCurve.DrawPath();
actionCurve.LocatePorts();
}
else if (element is Connector)
{
//Update connector oblong handle
if (mouseElements.MouseHandle.Type == HandleType.UpDown || mouseElements.MouseHandle.Type == HandleType.LeftRight)
{
Connector connectorLine = element as Connector;
Connector actionLine = element.ActionElement as Connector;
//Get the two points of the segment
ConnectorHandle handle = mouseElements.MouseHandle as ConnectorHandle;
if (handle != null)
{
actionLine.Points[handle.Index - 1] = (PointF)connectorLine.Points[handle.Index - 1];
actionLine.Points[handle.Index] = (PointF)connectorLine.Points[handle.Index];
actionLine.RefinePoints();
actionLine.DrawPath();
actionLine.LocatePorts();
actionLine.CreateHandles();
}
}
//Update start or end of connector
else if (mouseElements.MouseHandle.Type == HandleType.Origin)
{
Connector connectorLine = element as Connector;
Connector actionLine = element.ActionElement as Connector;
actionLine.SetPoints(connectorLine.Points);
actionLine.RefinePoints();
//Set origins
if (!actionLine.Start.Docked)
{
actionLine.Start.Location = connectorLine.FirstPoint;
}
if (!actionLine.End.Docked)
{
actionLine.End.Location = connectorLine.LastPoint;
}
actionLine.GetPortPercentages();
actionLine.DrawPath();
actionLine.LocatePorts();
}
//Move all points if connector is not connected
else if (mouseElements.MouseHandle.Type == HandleType.Move)
{
Connector connectorLine = element as Connector;
Connector actionLine = element.ActionElement as Connector;
if (actionLine.AllowMove && !actionLine.Start.Docked && !actionLine.End.Docked)
{
actionLine.Points.Clear();
foreach (PointF point in connectorLine.Points)
{
actionLine.Points.Add(point);
}
actionLine.DrawPath();
actionLine.LocatePorts();
}
}
}
else
{
Link line = (Link)element;
Link actionLine = (Link)element.ActionElement;
//Round values if appropriate
if (Controller.RoundPixels)
{
line.Start.Location = Point.Round(line.Start.Location);
line.End.Location = Point.Round(line.End.Location);
}
if (!actionLine.Start.Docked)
{
actionLine.Start.Location = line.Start.Location;
}
if (!actionLine.End.Docked)
{
actionLine.End.Location = line.End.Location;
}
actionLine.DrawPath();
actionLine.LocatePorts();
}
}
if (element is Port)
{
Port actionPort = element as Port;
Port port = actionPort.ActionElement as Port;
port.Location = actionPort.Location;
}
}
}
//Update the line docking
if (mouseElements != null && mouseElements.MouseStartOrigin != null && mouseElements.MouseStartOrigin.AllowMove && mouseElements.MouseMoveElement != null && mouseElements.IsDockable() && Controller.CanDock(InteractiveMode, mouseElements))
{
Link line = mouseElements.MouseStartElement as Link;
//Dock start to shape
if (mouseElements.MouseStartOrigin == line.Start && mouseElements.MouseMoveElement is Shape)
{
line.Start.Shape = mouseElements.MouseMoveElement as Shape;
}
//Dock end to shape
if (mouseElements.MouseStartOrigin == line.End && mouseElements.MouseMoveElement is Shape)
{
line.End.Shape = mouseElements.MouseMoveElement as Shape;
}
//Dock start to port
if (mouseElements.MouseStartOrigin == line.Start && mouseElements.MouseMoveElement is Port)
{
line.Start.Port = mouseElements.MouseMoveElement as Port;
}
//Dock end to port
if (mouseElements.MouseStartOrigin == line.End && mouseElements.MouseMoveElement is Port)
{
line.End.Port = mouseElements.MouseMoveElement as Port;
}
}
Executed = true;
}
//Loop through each item in the copycut buffer and add it back to the diagram
//Paste into centre of container
private void DoPaste(PointF location)
{
if (Controller.Clipboard.Elements == null)
{
return;
}
//Create a renderlist and add the elements
ElementList list = new ElementList();
foreach (Element element in Controller.Clipboard.Elements.Values)
{
list.Add(element);
}
//Get the bounds
RectangleF bounds = list.GetBounds();
//Calculate
float dx = -bounds.X + ((Controller.Model.Size.Width - bounds.Width) / 2);
float dy = -bounds.Y + ((Controller.Model.Size.Height - bounds.Height) / 2);
dx = Convert.ToSingle(Math.Round(dx, 0));
dy = Convert.ToSingle(Math.Round(dy, 0));
//Loop through each element and add
if (Controller.Clipboard.Elements != null)
{
//Add Shapes
foreach (Element element in Controller.Clipboard.Elements.Values)
{
if (element is Shape)
{
Shape shape = (Shape)element;
Shape newShape = (Shape)shape.Clone();
string key = null;
//Set key
key = (Controller.Model.Shapes.ContainsKey(shape.Key)) ? Controller.Model.Shapes.CreateKey() : shape.Key;
//Set temporary action element
shape.ActionElement = newShape;
//Change any settings required
newShape.SetLayer(null);
newShape.Selected = true;
//Offset by container offset
newShape.Move(dx, dy);
//Round values if appropriate
if (Controller.RoundPixels)
{
newShape.Location = Point.Round(newShape.Location);
newShape.Size = System.Drawing.Size.Round(newShape.Size);
}
//Add if allowed by the runtime
if (Controller.CanAdd(newShape))
{
Controller.Model.Shapes.Add(key, newShape);
}
}
}
//Add Lines
foreach (Element element in Controller.Clipboard.Elements.Values)
{
if (element is Link)
{
Link line = (Link)element;
Link newLine = (Link)line.Clone();
string key = null;
//Define the key
key = (Controller.Model.Lines.ContainsKey(line.Key)) ? Controller.Model.Lines.CreateKey() : key = line.Key;
//Change any settings required
newLine.SetLayer(null);
newLine.Selected = true;
if (element is ComplexLine)
{
ComplexLine complexLine = (ComplexLine)newLine;
Segment segment = null;
for (int i = 0; i < complexLine.Segments.Count; i++)
{
segment = complexLine.Segments[i];
segment.Start.Move(dx, dy);
}
}
else if (element is Curve)
{
Curve curve = (Curve)newLine;
curve.Start.Move(dx, dy);
curve.End.Move(dx, dy);
PointF[] newPoints = new PointF[curve.ControlPoints.GetUpperBound(0) + 1];
for (int i = 0; i <= curve.ControlPoints.GetUpperBound(0); i++)
{
newPoints[i] = new PointF(curve.ControlPoints[i].X + dx, curve.ControlPoints[i].Y + dy);
}
curve.ControlPoints = newPoints;
}
else if (element is Connector) //Connectors cannot be moved in this way
{
Connector conn = (Connector)newLine;
List <PointF> points = new List <PointF>();
foreach (PointF point in conn.Points)
{
points.Add(new PointF(point.X + dx, point.Y + dy));
}
conn.SetPoints(points);
conn.DrawPath();
}
else
{
newLine.Start.Move(dx, dy);
newLine.End.Move(dx, dy);
newLine.DrawPath();
}
//Reconnect start origins
if (line.Start.DockedElement != null)
{
if (line.Start.Shape != null && line.Start.Shape.ActionElement != null)
{
newLine.Start.Shape = (Shape)line.Start.Shape.ActionElement;
}
else if (line.Start.Port != null && line.Start.Port.Parent is Shape)
{
Shape shape = (Shape)line.Start.Port.Parent;
Shape newShape = (Shape)shape.ActionElement;
newLine.Start.Port = (Port)newShape.Ports[line.Start.Port.Key];
}
}
//Reconnect end origins
if (line.End.DockedElement != null)
{
if (line.End.Shape != null && line.End.Shape.ActionElement != null)
{
newLine.End.Shape = (Shape)line.End.Shape.ActionElement;
}
else if (line.End.Port != null && line.End.Port.Parent is Shape)
{
Shape shape = (Shape)line.End.Port.Parent;
Shape newShape = (Shape)shape.ActionElement;
newLine.End.Port = (Port)newShape.Ports[line.End.Port.Key];
}
}
//Create and add to lines collection
if (Controller.CanAdd(newLine))
{
Controller.Model.Lines.Add(key, newLine);
}
}
}
//Remove any temporary action elements
foreach (Element element in Controller.Clipboard.Elements.Values)
{
element.ActionElement = null;
}
}
}
//Methods
//Translates an action, typically in response to mouse movement
public virtual void Translate()
{
SizeF delta = new SizeF(Dx, Dy);
delta = Controller.BoundsCheck(Elements, new SizeF(Dx, Dy));
if (delta.IsEmpty)
{
return;
}
bool snapped = false;
//Reset any vectors
SetVectors(null);
//Initial loop to check for location snapping
foreach (Element element in Elements)
{
if (element.Visible)
{
//Offset shapes
if (element is Shape)
{
Shape shape = element as Shape;
Shape actionshape = shape.ActionElement as Shape; //the actual shape being moved
if (shape.AllowMove && shape.AllowSnap)
{
PointF location = Geometry.CombinePoint(actionshape.Location, new PointF(Dx, Dy));
PointF snap = Controller.SnapToLocation(location, shape.Size, this); //Sets the vector
//If a shape is snapped to a location then readjust the dx and dy values
if (!snapped && !location.Equals(snap))
{
Dx = Dx + snap.X - location.X;
Dy = Dy + snap.Y - location.Y;
snapped = true;
}
}
}
}
}
//Change position of each element
foreach (Element element in Elements)
{
if (element.Visible)
{
//Offset shapes
if (element is Shape)
{
Shape shape = element as Shape;
Shape actionshape = shape.ActionElement as Shape; //the actual shape being moved
if (shape.AllowMove)
{
PointF location = Geometry.CombinePoint(actionshape.Location, new PointF(Dx, Dy));
shape.Location = location;
}
if (Controller.Model.Route != null)
{
Controller.Model.Route.Reform();
}
}
//Offset ports
if (element is Port)
{
Port port = element as Port;
Port actionPort = element.ActionElement as Port;
if (port.AllowMove)
{
PointF location = new PointF(actionPort.X + Dx, actionPort.Y + Dy);
//Call a method on the container to adjust the point so that it lies outside the path
if (port.Parent.Contains(location))
{
location = port.Parent.Forward(location);
}
//Port is outside the path
port.Location = port.Parent.Intercept(location);
}
if (Controller.Model.Route != null)
{
Controller.Model.Route.Reform();
}
}
//Offset line
if (element is Link)
{
//Offset all segments in complex line
if (element is ComplexLine)
{
ComplexLine complexLine = element as ComplexLine;
ComplexLine actionLine = element.ActionElement as ComplexLine;
Segment segment = null;
Segment actionSegment = null;
if (actionLine.AllowMove)
{
for (int i = 0; i < complexLine.Segments.Count; i++)
{
segment = complexLine.Segments[i];
actionSegment = actionLine.Segments[i];
if (!actionSegment.Start.Docked)
{
segment.Start.Move(Dx, Dy);
}
}
if (!actionSegment.End.Docked)
{
segment.End.Move(Dx, Dy);
}
}
}
else if (element is Curve)
{
Curve curve = (Curve)element;
Curve actionCurve = (Curve)curve.ActionElement;
if (actionCurve.AllowMove)
{
if (!actionCurve.Start.Docked || (actionCurve.Start.Shape != null && actionCurve.Start.Shape.Selected) || (actionCurve.Start.Port != null && ((ISelectable)actionCurve.Start.Port.Parent).Selected))
{
curve.Start.Move(Dx, Dy);
}
if (!actionCurve.End.Docked || (actionCurve.End.Shape != null && actionCurve.End.Shape.Selected) || (actionCurve.End.Port != null && ((ISelectable)actionCurve.End.Port.Parent).Selected))
{
curve.End.Move(Dx, Dy);
}
PointF[] newPoints = new PointF[actionCurve.ControlPoints.GetUpperBound(0) + 1];
for (int i = 0; i <= actionCurve.ControlPoints.GetUpperBound(0); i++)
{
newPoints[i] = new PointF(curve.ControlPoints[i].X + Dx, curve.ControlPoints[i].Y + Dy);
}
curve.ControlPoints = newPoints;
}
}
else if (element is Connector)
{
Connector connector = (Connector)element;
Connector actionConnector = (Connector)connector.ActionElement;
if (actionConnector.AllowMove && !actionConnector.Start.Docked && !actionConnector.End.Docked)
{
List <PointF> newPoints = new List <PointF>();
foreach (PointF point in actionConnector.Points)
{
newPoints.Add(new PointF(point.X + Dx, point.Y + Dy));
}
connector.SetPoints(newPoints);
connector.DrawPath();
}
}
else
{
Link line = (Link)element;
Link actionLine = (Link)line.ActionElement;
if (actionLine.AllowMove)
{
if (!actionLine.Start.Docked)
{
line.Start.Location = Geometry.CombinePoint(actionLine.Start.Location, new PointF(Dx, Dy));
}
if (!actionLine.End.Docked)
{
line.End.Location = Geometry.CombinePoint(actionLine.End.Location, new PointF(Dx, Dy));
}
line.DrawPath();
}
}
}
//Offset stand-alone port
if (element is Port)
{
Port port = (Port)element;
if (port.AllowMove)
{
port.Move(Dx, Dy);
}
}
}
}
}