/// <summary>
/// Creates a shape for the specified model element.
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
protected virtual NodeShape CreateShape(ModelElement element)
{
DiagramDomainDataDirectory data = this.Store.DomainDataAdvDirectory.ResolveExtensionDirectory <DiagramDomainDataDirectory>();
Guid domainClassId = element.GetDomainClass().Id;
if (data.HasDependenciesShapeForElement(domainClassId))
{
return(this.ViewModelStore.TopMostStore.GetDomainModelServices().ShapeProvider.CreateDependenciesShapeForElement(domainClassId, element) as NodeShape);
}
NodeShape dShape = new NodeShape(this.Store);
dShape.Element = element;
dShape.SetLocation(new PointD(5, 5));
dShape.SetSize(new SizeD(200, 40));
return(dShape);
}
/// <summary>
/// Layout a subgraph defined by a given shape by using the GLEE layout library.
/// </summary>
/// <param name="shape">Main shape.</param>
/// <remarks>
/// This method needs to be called within a modeling transaction.
/// </remarks>
private static void LayoutShape(NodeShape shape, List<LinkShape> edges, List<LinkShape> dEdges)
{
Dictionary<string, NodeShape> shapesMap = new Dictionary<string, NodeShape>();
// create glee graph
GleeGraph g = new GleeGraph();
g.Margins = GraphMargins;
g.MinNodeHeight = MinNodeHeight;
g.MinNodeWidth = GraphMargins;
// transform the information in the diagram into the glee graph
List<LinkShape> edgesLocal = new List<LinkShape>();
foreach (NodeShape childShape in shape.Children)
{
// layout shape if it has children
if (childShape.Children.Count > 0)
LayoutShape(childShape, edges, dEdges);
// collect edges on the same level
foreach (LinkShape linkShape in childShape.OutgoingLinkShapes)
{
if (linkShape.ToShape.Parent == shape)
edgesLocal.Add(linkShape);
else
dEdges.Add(linkShape);
}
AddNode(g, childShape, shapesMap);
}
// 2. add edges
foreach (LinkShape linkShape in edgesLocal)
{
g.AddEdge(new Edge(
g.NodeMap[linkShape.FromShape.Id.ToString()],
g.NodeMap[linkShape.ToShape.Id.ToString()]));
}
edges.AddRange(edgesLocal);
// layout graph
g.CalculateLayout();
// apply layout information to diagram
if (shape.Children.Count > 0) // we have no way of knowning what min size a shape has for now..
{
if (shape.ResizingBehaviour == ShapeResizingBehaviour.Normal)
shape.SetSize(new SizeD(g.Width + HostMargin, g.Height + HostMargin));
else if (shape.ResizingBehaviour == ShapeResizingBehaviour.FixedWidth)
shape.SetSize(new SizeD(shape.Size.Width, g.Height + HostMargin));
else if (shape.ResizingBehaviour == ShapeResizingBehaviour.FixedHeight)
shape.SetSize(new SizeD(g.Width + HostMargin, shape.Size.Height));
}
ApplyShapesLayout(g, shapesMap, g.Left, g.Top);
// update absolute location of shapes
UpdateAbsoluteLocation(shape);
}
/// <summary>
/// Layout a subgraph defined by a given shape by using the GLEE layout library.
/// </summary>
/// <param name="shape">Main shape.</param>
/// <remarks>
/// This method needs to be called within a modeling transaction.
/// </remarks>
private static void LayoutShape(NodeShape shape, List <LinkShape> edges, List <LinkShape> dEdges)
{
Dictionary <string, NodeShape> shapesMap = new Dictionary <string, NodeShape>();
// create glee graph
GleeGraph g = new GleeGraph();
g.Margins = GraphMargins;
g.MinNodeHeight = MinNodeHeight;
g.MinNodeWidth = GraphMargins;
// transform the information in the diagram into the glee graph
List <LinkShape> edgesLocal = new List <LinkShape>();
foreach (NodeShape childShape in shape.Children)
{
// layout shape if it has children
if (childShape.Children.Count > 0)
{
LayoutShape(childShape, edges, dEdges);
}
// collect edges on the same level
foreach (LinkShape linkShape in childShape.OutgoingLinkShapes)
{
if (linkShape.ToShape.Parent == shape)
{
edgesLocal.Add(linkShape);
}
else
{
dEdges.Add(linkShape);
}
}
AddNode(g, childShape, shapesMap);
}
// 2. add edges
foreach (LinkShape linkShape in edgesLocal)
{
g.AddEdge(new Edge(
g.NodeMap[linkShape.FromShape.Id.ToString()],
g.NodeMap[linkShape.ToShape.Id.ToString()]));
}
edges.AddRange(edgesLocal);
// layout graph
g.CalculateLayout();
// apply layout information to diagram
if (shape.Children.Count > 0) // we have no way of knowning what min size a shape has for now..
{
if (shape.ResizingBehaviour == ShapeResizingBehaviour.Normal)
{
shape.SetSize(new SizeD(g.Width + HostMargin, g.Height + HostMargin));
}
else if (shape.ResizingBehaviour == ShapeResizingBehaviour.FixedWidth)
{
shape.SetSize(new SizeD(shape.Size.Width, g.Height + HostMargin));
}
else if (shape.ResizingBehaviour == ShapeResizingBehaviour.FixedHeight)
{
shape.SetSize(new SizeD(g.Width + HostMargin, shape.Size.Height));
}
}
ApplyShapesLayout(g, shapesMap, g.Left, g.Top);
// update absolute location of shapes
UpdateAbsoluteLocation(shape);
}