private void loadWebStatisticsToolStripMenuItem_Click(object sender, EventArgs e)
{
string statsDir = Path.Combine("Demo Programs", Path.Combine("WebVisits", "Sample Web Statistics"));
openFileDialog.Filter = "Web Statistics|*.xml|All files|*.*";
openFileDialog.InitialDirectory = Path.Combine(Path.GetDirectoryName(Path.GetDirectoryName(Application.StartupPath)), statsDir);
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
// Create a new diagram
ShapeType boxType = project.ShapeTypes["Ellipse"];
ShapeType multiLineType = project.ShapeTypes["Polyline"];
Dictionary <int, RectangleBase> boxes = new Dictionary <int, RectangleBase>();
List <Polyline> lines = new List <Polyline>();
//
// Create shapes for the web pages and connect them with lines
XmlScanner scanner = new XmlScanner(openFileDialog.FileName);
scanner.ReadElement();
scanner.ReadElement("WebVisits");
scanner.ReadChild("Pages");
if (scanner.ReadChild("Page"))
{
do
{
scanner.ReadAttribute(); // id attribute
RectangleBase box = (RectangleBase)boxType.CreateInstance(pageTemplate);
box.Width = 140;
boxes.Add(scanner.IntValue, box);
scanner.ReadAttribute();
box.Text = scanner.StringValue;
} while (scanner.ReadElement());
}
scanner.ReadParent();
if (scanner.ReadChild("Referral"))
{
do
{
scanner.ReadAttribute(); // id1
int id1 = scanner.IntValue;
Shape shape1 = boxes[id1];
scanner.ReadAttribute(); // id2
int id2 = scanner.IntValue;
Shape shape2 = boxes[id2];
scanner.ReadAttribute(); // count
int count = scanner.IntValue;
Polyline line = (Polyline)multiLineType.CreateInstance();
line.EndCapStyle = project.Design.CapStyles.Arrow;
line.LineStyle = GetLineStyle(count);
line.Connect(ControlPointId.FirstVertex, shape1, ControlPointId.Reference);
line.Connect(ControlPointId.LastVertex, shape2, ControlPointId.Reference);
lines.Add(line);
} while (scanner.ReadElement());
}
scanner.ReadParent();
scanner.Close();
//
// Insert all shapes into the diagram
int cnt = 0;
foreach (Diagram d in project.Repository.GetDiagrams())
{
++cnt;
}
Diagram diagram = new Diagram(string.Format("WebVisits Diagram {0}", cnt));
diagram.Width = 1000;
diagram.Height = 1000;
diagram.BackgroundImageLayout = Dataweb.NShape.ImageLayoutMode.Fit;
foreach (RectangleBase b in boxes.Values)
{
diagram.Shapes.Add(b, project.Repository.ObtainNewTopZOrder(diagram));
}
foreach (Polyline l in lines)
{
diagram.Shapes.Add(l, project.Repository.ObtainNewBottomZOrder(diagram));
}
boxes.Clear();
lines.Clear();
//
// Insert the diagram (including all shapes) into the repository
project.Repository.InsertDiagram(diagram);
//
// Layout the shapes
if (layouter == null)
{
layouter = new RepulsionLayouter(project);
}
layouter.SpringRate = 14;
layouter.Repulsion = 7;
layouter.RepulsionRange = 400;
layouter.Friction = 0;
layouter.Mass = 50;
//
layouter.AllShapes = diagram.Shapes;
layouter.Shapes = diagram.Shapes;
layouter.Prepare();
layouter.Execute(10);
layouter.Fit(50, 50, diagram.Width - 100, diagram.Height - 100);
//
// Display the result
display.Diagram = diagram;
}
}
