public void Load(Stream stream)
        {
            XmlScanner scanner;

            scanner = new XmlScanner(stream);
            try
            {
                this.Load(scanner);
            }
            finally
            {
                scanner.Close();
            }
        }
        public void Load(XmlReader reader)
        {
            XmlScanner scanner;

            scanner = new XmlScanner(reader);
            try
            {
                this.Load(scanner);
            }
            finally
            {
                scanner.Close();
            }
        }
Example #3
0
        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;
            }
        }