public virtual ComplexLine CreateComplexLine(PointF start, PointF end)
{
ComplexLine line = new ComplexLine(start, end);
OnCreateElement(line);
return(line);
}
public virtual ComplexLine CreateComplexLine()
{
ComplexLine line = new ComplexLine();
OnCreateElement(line);
return(line);
}
public ComplexLine(ComplexLine prototype): base (prototype)
{
mSegments = new Segments();
Segment segment = new Segment(Start, End);
Segments.Add(segment);
segment.SegmentInvalid += new EventHandler(segment_SegmentInvalid);
//Set up segments
for (int i = 0; i < prototype.Segments.Count-1; i++)
{
segment = AddSegment(i+1,new Origin((PointF) prototype.Points[i+1]));
segment.Start.Marker = prototype.Segments[i+1].Start.Marker;
}
DrawPath();
AllowExpand = prototype.AllowExpand;
}
public ComplexLine(ComplexLine prototype) : base(prototype)
{
mSegments = new Segments();
Segment segment = new Segment(Start, End);
Segments.Add(segment);
segment.SegmentInvalid += new EventHandler(segment_SegmentInvalid);
//Set up segments
for (int i = 0; i < prototype.Segments.Count - 1; i++)
{
segment = AddSegment(i + 1, new Origin((PointF)prototype.Points[i + 1]));
segment.Start.Marker = prototype.Segments[i + 1].Start.Marker;
}
DrawPath();
AllowExpand = prototype.AllowExpand;
}
public virtual ComplexLine CreateComplexLine(PointF start,PointF end)
{
ComplexLine line = new ComplexLine(start,end);
OnCreateElement(line);
return line;
}
public virtual ComplexLine CreateComplexLine()
{
ComplexLine line = new ComplexLine();
OnCreateElement(line);
return line;
}
//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
public virtual void Scale()
{
float sx = 1; //scale
float sy = 1;
float mx = 0; //movement as a result of scale
float my = 0;
foreach (Element element in Elements)
{
if (element.Visible)
{
//Scale shapes
if (element is Shape)
{
Shape shape = element as Shape; //a clone of the original shape, contained in the list
Shape actionshape = shape.ActionElement as Shape; //the actual shape being moved
if (actionshape.AllowScale)
{
if (Controller.Model.Route != null)
{
Controller.Model.Route.Reform();
}
PointF saveLocation = shape.Location;
SizeF saveSize = shape.Size;
//Reset the ports
foreach (Port port in shape.Ports.Values)
{
Port actionPort = (Port)actionshape.Ports[port.Key];
port.SuspendValidation();
port.Location = actionPort.Location;
port.ResumeValidation();
}
//Reset shape location and size
shape.Location = actionshape.Location; //reset location
shape.SetSize(actionshape.Size, actionshape.InternalRectangle); //reset to original size
//Reset 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;
solid.Location = actionSolid.Location; //reset location
solid.SetSize(actionSolid.Size, actionSolid.InternalRectangle); //reset to original size
}
}
//Scale Right x
if (MouseElements.MouseHandle.Type == HandleType.TopRight || MouseElements.MouseHandle.Type == HandleType.Right || MouseElements.MouseHandle.Type == HandleType.BottomRight)
{
sx = ((Dx) / shape.ActionElement.Bounds.Width) + 1;
}
//Scale Bottom y
if (MouseElements.MouseHandle.Type == HandleType.BottomLeft || MouseElements.MouseHandle.Type == HandleType.Bottom || MouseElements.MouseHandle.Type == HandleType.BottomRight)
{
sy = ((Dy) / shape.ActionElement.Bounds.Height) + 1;
}
//Scale Left x
if (MouseElements.MouseHandle.Type == HandleType.TopLeft || MouseElements.MouseHandle.Type == HandleType.Left || MouseElements.MouseHandle.Type == HandleType.BottomLeft)
{
sx = ((-Dx) / shape.ActionElement.Bounds.Width) + 1;
mx = Dx;
if (shape.Bounds.Width * sx < shape.MinimumSize.Width)
{
mx = (shape.ActionElement.Bounds.Width - shape.MinimumSize.Width);
}
if (shape.Bounds.Width * sx > shape.MaximumSize.Width)
{
mx = (shape.ActionElement.Bounds.Width - shape.MaximumSize.Width);
}
}
//Scale Top y
if (MouseElements.MouseHandle.Type == HandleType.TopLeft || MouseElements.MouseHandle.Type == HandleType.Top || MouseElements.MouseHandle.Type == HandleType.TopRight)
{
sy = ((-Dy) / shape.ActionElement.Bounds.Height) + 1;
my = Dy;
if (shape.Bounds.Height * sy < shape.MinimumSize.Height)
{
my = (shape.ActionElement.Bounds.Height - shape.MinimumSize.Height);
}
if (shape.Bounds.Height * sy > shape.MaximumSize.Height)
{
my = (shape.ActionElement.Bounds.Height - shape.MaximumSize.Height);
}
}
shape.Scale(sx, sy, mx, my, KeepAspect || shape.KeepAspect);
//Restore shape bounds if not correct
if (!Controller.BoundsCheck(shape.Location, 0, 0))
{
shape.Location = saveLocation;
shape.Size = saveSize;
}
}
}
//Move line origins
if (element is Link)
{
if (element is ComplexLine)
{
ComplexLine line = (ComplexLine)element;
ComplexLine actionline = (ComplexLine)line.ActionElement;
Segment segment;
Segment actionSegment;
if (MouseElements.MouseHandle.Type == HandleType.Origin)
{
for (int i2 = 0; i2 < line.Segments.Count; i2++)
{
segment = line.Segments[i2];
actionSegment = actionline.Segments[i2];
if (actionSegment.Start == MouseElements.MouseStartOrigin)
{
if (Controller.BoundsCheck(actionSegment.Start.Location, Dx, Dy))
{
segment.Start.Location = (PointF)actionline.Points[i2]; //Resets the location
segment.Start.Move(Dx, Dy);
line.DrawPath();
}
break;
}
if (actionSegment.End == MouseElements.MouseStartOrigin)
{
if (Controller.BoundsCheck(actionSegment.End.Location, Dx, Dy))
{
segment.End.Location = (PointF)actionline.Points[i2 + 1]; //Resets the location
segment.End.Move(Dx, Dy);
line.DrawPath();
}
break;
}
}
}
//Add the segment and reset the handle to an origin handle
if (MouseElements.MouseHandle.Type == HandleType.Expand)
{
//Find the segment
ExpandHandle expand = MouseElements.MouseHandle as ExpandHandle;
//Get origin locations
PointF start = line.GetOriginLocation(expand.Segment.Start, expand.Segment.End);
PointF end = line.GetOriginLocation(expand.Segment.End, expand.Segment.Start);
Origin origin = new Origin(new PointF(start.X + ((end.X - start.X) / 2), start.Y + ((end.Y - start.Y) / 2)));
Origin actionOrigin = new Origin(new PointF(origin.Location.X, origin.Location.Y));
line.AddSegment(expand.Index + 1, origin);
actionline.AddSegment(expand.Index + 1, actionOrigin);
MouseElements.MouseHandle = new Handle(HandleType.Origin);
//Set up mouse elements
MouseElements = new MouseElements(MouseElements);
MouseElements.MouseStartOrigin = actionOrigin;
//diagram.SetMouseElements(mouseElements);
}
}
else if (element is Connector)
{
Connector line = element as Connector;
Connector actionLine = element.ActionElement as Connector;
//Move start or end of connector
if (MouseElements.MouseHandle.Type == HandleType.Origin)
{
Origin origin = null;
PointF point = new PointF();
//Get the origin point
if (actionLine.Start == MouseElements.MouseStartOrigin && actionLine.Start.AllowMove)
{
origin = line.Start;
point = (PointF)actionLine.Points[0];
}
if (actionLine.End == MouseElements.MouseStartOrigin && actionLine.End.AllowMove)
{
origin = line.End;
point = (PointF)actionLine.Points[actionLine.Points.Count - 1];
}
if (origin != null)
{
if (Controller.BoundsCheck(point, Dx, Dy))
{
//Offset the origin point
origin.Location = new PointF(point.X + Dx, point.Y + Dy);
//Set to shape if current mouse element is shape
if (MouseElements.IsDockable() && Controller.CanDock(InteractiveMode, MouseElements))
{
if (MouseElements.MouseMoveElement is Shape)
{
origin.Shape = MouseElements.MouseMoveElement as Shape;
}
else if (MouseElements.MouseMoveElement is Port)
{
origin.Port = MouseElements.MouseMoveElement as Port;
}
}
line.CalculateRoute();
}
}
}
//Move a connector segment
else if (MouseElements.MouseHandle.Type == HandleType.UpDown || MouseElements.MouseHandle.Type == HandleType.LeftRight)
{
ConnectorHandle handle = MouseElements.MouseHandle as ConnectorHandle;
if (handle != null)
{
PointF start = (PointF)actionLine.Points[handle.Index - 1];
PointF end = (PointF)actionLine.Points[handle.Index];
//Move the two segment points and place them back in the correct place
if (MouseElements.MouseHandle.Type == HandleType.UpDown)
{
if (Controller.BoundsCheck(start, 0, Dy) && Controller.BoundsCheck(end, 0, Dy))
{
start.Y += Dy;
end.Y += Dy;
//Update the line
line.Points[handle.Index - 1] = start;
line.Points[handle.Index] = end;
}
}
else if (MouseElements.MouseHandle.Type == HandleType.LeftRight)
{
if (Controller.BoundsCheck(end, Dx, 0) && Controller.BoundsCheck(end, Dx, 0))
{
start.X += Dx;
end.X += Dx;
//Update the line
line.Points[handle.Index - 1] = start;
line.Points[handle.Index] = end;
}
}
}
}
}
else if (element is Curve)
{
Curve curve = (Curve)element;
Curve actionCurve = (Curve)curve.ActionElement;
if (MouseElements.MouseStartOrigin == actionCurve.Start && actionCurve.Start.AllowMove)
{
if (Controller.BoundsCheck(actionCurve.FirstPoint, Dx, Dy))
{
curve.Start.Location = actionCurve.FirstPoint; //Resets the location
curve.Start.Move(Dx, Dy);
}
}
else if (MouseElements.MouseStartOrigin == actionCurve.End && actionCurve.End.AllowMove)
{
if (Controller.BoundsCheck(actionCurve.LastPoint, Dx, Dy))
{
curve.End.Location = actionCurve.LastPoint; //Resets the location
curve.End.Move(Dx, Dy);
}
}
else
{
//Move control points
int index = 0;
foreach (PointF point in actionCurve.ControlPoints)
{
PointF location = new PointF(point.X - actionCurve.Bounds.X, point.Y - actionCurve.Bounds.Y);
if (MouseElements.MouseHandle != null && MouseElements.MouseHandle.Path != null && MouseElements.MouseHandle.Path.IsVisible(location))
{
curve.ControlPoints[index] = new PointF(actionCurve.ControlPoints[index].X + Dx, actionCurve.ControlPoints[index].Y + Dy);
break;
}
index++;
}
}
}
else if (element is Link)
{
Link line = (Link)element;
Link actionline = (Link)line.ActionElement;
if (MouseElements.MouseStartOrigin == actionline.Start && actionline.Start.AllowMove)
{
if (Controller.BoundsCheck(actionline.FirstPoint, Dx, Dy))
{
line.Start.Location = actionline.FirstPoint; //Resets the location
line.Start.Move(Dx, Dy);
}
}
if (MouseElements.MouseStartOrigin == actionline.End && actionline.End.AllowMove)
{
if (Controller.BoundsCheck(actionline.LastPoint, Dx, Dy))
{
line.End.Location = actionline.LastPoint; //Resets the location
line.End.Move(Dx, Dy);
}
}
}
//Update docking
if (MouseElements.MouseMoveElement != null && MouseElements.IsDockable() && Controller.CanDock(InteractiveMode, MouseElements))
{
Link line = (Link)element;
Link actionline = (Link)line.ActionElement;
if (MouseElements.MouseMoveElement is Shape)
{
if (MouseElements.MouseStartOrigin == actionline.Start && actionline.Start.AllowMove)
{
line.Start.Shape = MouseElements.MouseMoveElement as Shape;
}
if (MouseElements.MouseStartOrigin == actionline.End && actionline.End.AllowMove)
{
line.End.Shape = MouseElements.MouseMoveElement as Shape;
}
}
else if (MouseElements.MouseMoveElement is Port)
{
if (MouseElements.MouseStartOrigin == actionline.Start && actionline.Start.AllowMove)
{
line.Start.Port = MouseElements.MouseMoveElement as Port;
}
if (MouseElements.MouseStartOrigin == actionline.End && actionline.End.AllowMove)
{
line.End.Port = MouseElements.MouseMoveElement as Port;
}
}
}
Link clone = element as Link;
clone.DrawPath(); //Update the action path
}
}
}
}
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;
}
//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);
}
}
}
}
}