// Draws the given edge.
// Derived classes are supposed to try to draw the given edge,
// and if they fail, call this default implementation.
protected virtual void DrawElement(DI.GraphEdge edge)
{
Uml2SemanticModelBridge bridge = edge.SemanticModel as Uml2SemanticModelBridge;
UML.Element umlElement = bridge.Element;
// if the element is any kind of binary relationship, represent
// it as an edge.
UML.Relationship umlRelation = umlElement as UML.Relationship;
if (umlRelation != null && umlRelation.RelatedElement.Count == 2)
{
System.Console.WriteLine ("UMLDiagram.DrawElement> Adding a generic UMLEdge to the canvas for element: " + umlElement.ToString());
UMLStereotypedEdge umlEdge = new UMLStereotypedEdge (this, edge);
_canvas.AddElement (umlEdge);
}
}
public static UMLStereotypedEdge CreateNewAndAdd(
UMLDiagram owningDiagram,
UML.Relationship stereotypedEdgeModel,
DI.GraphElement fromGE,
DI.GraphElement toGE
)
{
// creates the graphical representation of the new Stereotyped Edge
DI.GraphEdge stereotypedEdgeGE = new DI.GraphEdge ();
// model semanticModelBridge to the UML model element
Uml2SemanticModelBridge semanticModelBridge = new Uml2SemanticModelBridge ();
semanticModelBridge.Element = stereotypedEdgeModel;
stereotypedEdgeGE.SemanticModel = semanticModelBridge;
// adds anchors and anchorages
DI.GraphConnector cnn;
cnn = new DI.GraphConnector ();
cnn.GraphElement = fromGE;
fromGE.Position.CopyTo (cnn.Position);
fromGE.Anchorage.Add (cnn);
stereotypedEdgeGE.Anchor.Add (cnn);
cnn.GraphEdge.Add(stereotypedEdgeGE);
cnn = new DI.GraphConnector ();
cnn.GraphElement = toGE;
toGE.Position.CopyTo (cnn.Position);
toGE.Anchorage.Add (cnn);
stereotypedEdgeGE.Anchor.Add (cnn);
cnn.GraphEdge.Add(stereotypedEdgeGE);
// adds waypoints
DI.GraphNode gn = fromGE as DI.GraphNode;
DI.Point f = (gn != null ? gn.Center : fromGE.Position.Clone ());
gn = toGE as DI.GraphNode;
DI.Point t = (gn != null ? gn.Center : toGE.Position.Clone ());
stereotypedEdgeGE.Waypoints.Add (f);
stereotypedEdgeGE.Waypoints.Add (t);
// adds the stereotype compartment
DI.SimpleSemanticModelElement bridge;
DI.GraphNode stCompartmentGN = new DI.GraphNode ();
bridge = new DI.SimpleSemanticModelElement ();
bridge.TypeInfo = "StereotypeCompartment";
stCompartmentGN.SemanticModel = bridge;
stereotypedEdgeGE.Contained.Add (stCompartmentGN);
stCompartmentGN.Container = stereotypedEdgeGE;
DI.Point.GetHalfWayPoint (fromGE.Position, toGE.Position).CopyTo (stCompartmentGN.Position);
DI.GraphNode keywordMetaclassGN = new DI.GraphNode ();
bridge = new DI.SimpleSemanticModelElement ();
bridge.TypeInfo = "KeywordMetaclass";
keywordMetaclassGN.SemanticModel = bridge;
stCompartmentGN.Contained.Add (keywordMetaclassGN);
keywordMetaclassGN.Container = stCompartmentGN;
// adds the stereotypedEdge to the diagram
owningDiagram.DIDiagram.Contained.Add (stereotypedEdgeGE);
stereotypedEdgeGE.Container = owningDiagram.DIDiagram;
UMLStereotypedEdge stereotypedEdge = new UMLStereotypedEdge (owningDiagram, stereotypedEdgeGE, stereotypedEdgeModel);
owningDiagram.UMLCanvas.AddElement (stereotypedEdge);
return stereotypedEdge;
}