protected override void InitDiagram()
{
base.InitDiagram();
m_DrawingDocument.HistoryService.Pause();
try
{
NDrawing drawing = m_DrawingDocument.Content;
NPage activePage = drawing.ActivePage;
// Hide grid and ports
drawing.ScreenVisibility.ShowGrid = false;
drawing.ScreenVisibility.ShowPorts = false;
// Create all shapes
NBrainstormingShapeFactory factory = new NBrainstormingShapeFactory();
factory.DefaultSize = new NSize(60, 60);
for (int i = 0; i < factory.ShapeCount; i++)
{
NShape shape = factory.CreateShape(i);
shape.HorizontalPlacement = ENHorizontalPlacement.Center;
shape.VerticalPlacement = ENVerticalPlacement.Center;
shape.HorizontalPlacement = ENHorizontalPlacement.Center;
shape.VerticalPlacement = ENVerticalPlacement.Center;
shape.Text = factory.GetShapeInfo(i).Name;
MoveTextBelowShape(shape);
activePage.Items.Add(shape);
}
// Arrange them
NList <NShape> shapes = activePage.GetShapes(false);
NLayoutContext layoutContext = new NLayoutContext();
layoutContext.BodyAdapter = new NShapeBodyAdapter(m_DrawingDocument);
layoutContext.GraphAdapter = new NShapeGraphAdapter();
layoutContext.LayoutArea = activePage.GetContentEdge();
NTableFlowLayout tableLayout = new NTableFlowLayout();
tableLayout.HorizontalSpacing = 30;
tableLayout.VerticalSpacing = 50;
tableLayout.Direction = ENHVDirection.LeftToRight;
tableLayout.MaxOrdinal = 5;
tableLayout.Arrange(shapes.CastAll <object>(), layoutContext);
// size page to content
activePage.Layout.ContentPadding = new NMargins(40);
activePage.SizeToContent();
}
finally
{
m_DrawingDocument.HistoryService.Resume();
}
}
/// <summary>
/// Overriden to create a random graph template in the specified document.
/// </summary>
/// <param name="document">The document to create a graph in.</param>
protected override void CreateTemplate(NDrawingDocument document)
{
if (m_nEdgeCount < m_nVertexCount - 1)
{
throw new Exception("##The number of edges must be greater than or equal to the (number of vertices - 1) in order to generate a connected graph");
}
if (m_nEdgeCount > MaxEdgeCount(m_nVertexCount))
{
throw new Exception("##Too many edges wanted for the graph");
}
int i;
Random random = new Random();
NPage activePage = document.Content.ActivePage;
NShape[] vertices = new NShape[m_nVertexCount];
NList <NPointI> edges = GetRandomMST(m_nVertexCount);
NPointI edgeInfo;
NSizeI minSize = m_MinVerticesSize.Round();
NSizeI maxSize = m_MaxVerticesSize.Round();
maxSize.Width++;
maxSize.Height++;
// Create the vertices
for (i = 0; i < m_nVertexCount; i++)
{
vertices[i] = CreateVertex(m_VerticesShape);
double width = random.Next(minSize.Width, maxSize.Width);
double height = random.Next(minSize.Height, maxSize.Height);
vertices[i].SetBounds(new NRectangle(0, 0, width, height));
activePage.Items.AddChild(vertices[i]);
}
// Generate the edges
for (i = m_nVertexCount - 1; i < m_nEdgeCount; i++)
{
do
{ // Generate a new edge
edgeInfo = new NPointI(random.Next(m_nVertexCount), random.Next(m_nVertexCount));
}while (edgeInfo.X == edgeInfo.Y || edges.Contains(edgeInfo) || edges.Contains(new NPointI(edgeInfo.Y, edgeInfo.X)));
edges.Add(edgeInfo);
}
// Create the edges
for (i = 0; i < m_nEdgeCount; i++)
{
edgeInfo = edges[i];
NShape edge = CreateEdge(ENConnectorShape.RoutableConnector);
activePage.Items.AddChild(edge);
edge.GlueBeginToGeometryIntersection(vertices[edgeInfo.X]);
edge.GlueEndToShape(vertices[edgeInfo.Y]);
}
// Apply a table layout to the generated graph
NTableFlowLayout tableLayout = new NTableFlowLayout();
tableLayout.MaxOrdinal = (int)Math.Sqrt(m_nVertexCount) + 1;
tableLayout.HorizontalSpacing = m_VerticesSize.Width / 5;
tableLayout.VerticalSpacing = m_VerticesSize.Width / 5;
NDrawingLayoutContext context = new NDrawingLayoutContext(document, activePage);
tableLayout.Arrange(new NList <object>(NArrayHelpers <NShape> .CastAll <object>(vertices)), context);
}
