protected internal virtual void ElementInsert(T element)
{
if (element.Model == null)
{
element.SetModel(Model);
}
//Set the layer if not already set
if (element.Layer == null && Model != null)
{
Layer layer = Model.Layers.CurrentLayer;
element.SetLayer(layer);
}
//Set up ports in a port container
if (element is IPortContainer)
{
IPortContainer portContainer = element as IPortContainer;
foreach (Port port in portContainer.Ports.Values)
{
port.SetModel(Model);
port.SetLayer(element.Layer);
if (port.Location.IsEmpty)
{
portContainer.LocatePort(port);
}
}
}
}
public Port(Port prototype) : base(prototype)
{
SuspendEvents = true;
Label = null;
StencilItem = null;
mAlignment = prototype.Alignment;
mOffset = prototype.Offset;
mAllowMove = prototype.AllowMove;
mAllowRotate = prototype.AllowRotate;
mDirection = prototype.Direction;
mInteraction = prototype.Interaction;
Label = null;
mPortStyle = prototype.Style;
Cursor = prototype.Cursor;
mPercent = prototype.Percent;
mOrientation = prototype.Orientation;
//Needed for action mvoe
mParent = prototype.Parent;
SuspendEvents = false;
}
/// <summary>
/// Determines if this link is entering the given node.
/// </summary>
/// <param name="graphNode">Node to test</param>
/// <returns>true if edge is entering the given node</returns>
public bool IsNodeEntering(IGraphNode graphNode)
{
Port headPort = this.HeadPort;
if (headPort != null)
{
foreach (Connection connection in this.Connections)
{
Port foreignPort = connection.GetForeignPort(this);
if (foreignPort != null)
{
IPortContainer foreignObj = foreignPort.Container;
if (foreignObj != null)
{
IGraphNode foreignGraphNode = foreignObj as IGraphNode;
if (foreignGraphNode != null && foreignGraphNode == graphNode)
{
Port localPort = connection.GetLocalPort(this);
if (localPort != null)
{
if (localPort == headPort)
{
return(true);
}
}
}
}
}
}
}
return(false);
}
public override bool AcceptConnection(Port sourcePort, Port targetPort)
{
bool accept = false;
// First, determine which port belongs to the foreign port container.
Port foreignPort = null;
if (this.Ports.Contains(sourcePort) || this.CenterPort == sourcePort)
{
foreignPort = targetPort;
}
else if (this.Ports.Contains(targetPort) || this.CenterPort == targetPort)
{
foreignPort = sourcePort;
}
if (foreignPort == null)
{
return(false); // This should never happen
}
// Now get the foreign port container and check to see if it is
// a Link object. If so, then check to see if the foreign port
// is the link's tail port or head port. If it's the tail port,
// then always allow the connection, because a member symbol can
// have any number of edges leaving it. If it's the head port,
// then only allow the connection if the member symbol has no
// other edges entering it yet.
IPortContainer foreignContainer = foreignPort.Container;
if (foreignContainer != null)
{
Link link = foreignContainer as Link;
if (link != null)
{
if (foreignPort == link.TailPort)
{
accept = true;
}
else
{
IGraphNode curNode = this as IGraphNode;
if (curNode != null)
{
ICollection edgesEntering = curNode.EdgesEntering;
if (edgesEntering.Count == 0)
{
accept = true;
}
}
}
}
}
return(accept);
}
/// <summary>
/// Tests to see if a connection to the given port is allowed.
/// </summary>
/// <param name="port">Port to test</param>
/// <returns>
/// true if a connection is allowed between this port and the specified port;
/// otherwise false
/// </returns>
/// <remarks>
/// <para>
/// This method calls the port container's
/// <see cref="Syncfusion.Windows.Forms.Diagram.IPortContainer.AcceptConnection"/>
/// method, passing as parameters this port and the parameter to this
/// method.
/// </para>
/// </remarks>
public bool AcceptConnection(Port port)
{
bool accept = false;
IPortContainer container = this.Container;
if (container != null)
{
return(container.AcceptConnection(this, port));
}
return(accept);
}
/// <summary>
/// Takes a port container as a parameter and returns the either
/// the SourcePort or TargetPort, depending on which one does
/// not belong to the given container.
/// </summary>
/// <param name="container">Port container to test</param>
/// <returns>Port not belonging to the given port container</returns>
/// <remarks>
/// <para>
/// If the SourcePort belongs to the given port container, then the
/// TargetPort is returned. If the TargetPort belongs to the
/// given port container, then the SourcePort is returned.
/// </para>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.Connection.SourcePort"/>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.Connection.TargetPort"/>
/// </remarks>
public Port GetForeignPort(IPortContainer container)
{
if (this.sourcePort.Container == container)
{
return(this.targetPort);
}
else if (this.targetPort.Container == container)
{
return(this.sourcePort);
}
return(null);
}
/// <summary>
/// Notifies the connection that one of the port containers has moved.
/// </summary>
/// <param name="container">Container that moved</param>
/// <remarks>
/// This method calls the
/// <see cref="Syncfusion.Windows.Forms.Diagram.IPortContainer.OnConnectionMove"/>
/// method on the foreign port container. The foreign port container is the
/// port container that is not the one passed in as a parameter.
/// </remarks>
public void SymbolMoved(IPortContainer container)
{
Port receiverPort = this.GetForeignPort(container);
IPortContainer receiver;
if (receiverPort != null)
{
receiver = receiverPort.Container;
if (receiver != null)
{
receiver.OnConnectionMove(this);
}
}
}
/// <summary>
/// Retrieve the value of a property given its name.
/// </summary>
/// <param name="propertyName">Name of property to retrieve</param>
/// <returns>Value of the named property or null if it doesn't exist</returns>
public virtual object GetPropertyValue(string propertyName)
{
object value = null;
IPortContainer portContainer = this.Container;
IPropertyContainer parentProps = null;
if (this.parent != null)
{
parentProps = this.parent.GetPropertyContainer(this);
}
if (this.propertyValues.Contains(propertyName))
{
value = this.propertyValues[propertyName];
}
if (value == null && parentProps != null)
{
value = parentProps.GetPropertyValue(propertyName);
}
if (propertyName == "Visible" && parentProps != null)
{
// Visibility may depend on whether the AutoHidePorts property
// is set to true in the symbol symbol
bool visible = true;
if (value != null && value.GetType() == typeof(bool))
{
visible = (bool)value;
}
if (visible && portContainer != null && portContainer.AutoHidePorts)
{
object revealPorts = parentProps.GetPropertyValue("RevealPorts");
if (revealPorts != null && revealPorts.GetType() == typeof(bool))
{
value = (bool)revealPorts;
}
}
}
return(value);
}
public Port(Port prototype) : base(prototype)
{
Label = null;
StencilItem = null;
_offset = prototype.Offset;
_allowMove = prototype.AllowMove;
_allowRotate = prototype.AllowRotate;
_direction = prototype.Direction;
_interaction = prototype.Interaction;
Label = null;
_portStyle = prototype.Style;
Cursor = prototype.Cursor;
_percent = prototype.Percent;
_orientation = prototype.Orientation;
//Needed for action move
_parent = prototype.Parent;
Alignment = prototype.Alignment;
}
protected internal virtual void SetParent(IPortContainer parent)
{
mParent = parent;
}
public Port(Port prototype): base(prototype)
{
SuspendEvents = true;
Label = null;
StencilItem = null;
mAlignment = prototype.Alignment;
mOffset = prototype.Offset;
mAllowMove = prototype.AllowMove;
mAllowRotate = prototype.AllowRotate;
mDirection = prototype.Direction;
mInteraction = prototype.Interaction;
Label = null;
mPortStyle = prototype.Style;
Cursor = prototype.Cursor;
mPercent = prototype.Percent;
mOrientation = prototype.Orientation;
//Needed for action mvoe
mParent = prototype.Parent;
SuspendEvents = false;
}
//Occurs when an element is added to the elements collection
private void Element_Insert(object sender, ElementsEventArgs e)
{
Element element = e.Value;
if (element is Group)
{
throw new GroupException("A group cannot be added to another group.");
}
//Set the layer if not already set
//Deserialized elements have layer information set
if (element.Layer == null && Layer != null)
{
Layer layer = Layer;
element.SetLayer(layer);
//Add to the default level
string key = layer.Elements.CreateKey();
layer.Elements.SetModifiable(true);
layer.Elements.Add(key, element);
layer.Elements.SetModifiable(false);
//Set the layer key
element.SetLayerKey(key);
//Set the element z order
element.mZOrder = layer.Elements.Count;
if (element is IUserInteractive)
{
IUserInteractive interactive = (IUserInteractive)element;
if ((interactive.Interaction & UserInteraction.BringToFront) == UserInteraction.BringToFront)
{
layer.Elements.BringToFront(element);
}
}
}
//Set the container
element.SetContainer(this);
//Set handlers
element.ElementInvalid += new EventHandler(Element_ElementInvalid);
//Draw the path if a line
if (element is Line)
{
Line line = (Line)element;
//If a connector and is not auto routed then calculate points
if (element is Connector)
{
Connector connector = (Connector)element;
if (connector.Points == null)
{
connector.CalculateRoute();
}
}
line.DrawPath();
}
//Set any containers for child elements
if (element is IPortContainer)
{
IPortContainer container = (IPortContainer)element;
foreach (Port port in container.Ports.Values)
{
port.SetContainer(this);
}
}
CreateRenderList();
OnElementInvalid();
//Raise the ElementInserted event
OnElementInserted(element);
}
/// <summary>
/// Constructs a Port given a port container.
/// </summary>
/// <param name="container">Port container that owns the port</param>
public Port(IPortContainer container)
{
this.Container = container;
this.propertyValues = new Hashtable();
SetDefaultPropertyValues();
}
protected internal virtual void SetParent(IPortContainer parent)
{
_parent = parent;
}
/// <summary>
///
/// </summary>
/// <param name="container"></param>
public CenterPort(IPortContainer container) : base(container)
{
}
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;
}