Пример #1
0
        /// <summary>
        /// Centralized method to handle the instantiation of all Shapes and Tessellations.
        /// </summary>
        /// <param name="shape">Used to determine which shape to instantiate.</param>
        /// <param name="ratio">Optional parameter that defaults to 0. (Only used for rectangle)</param>
        /// <returns>
        /// Returns a Control array of length 2, the first element being the instance of the Shape
        /// and the second being the instance of the Tessellation.
        /// </returns>
        private void instantiateShapes(out Shape instShape, out Tessellation instTess, int shape, double ratio = 0d)
        {
            // Checks for the default tabPage that is added as a placeholder, and removes it if a shape is being created.
            if (tabControl1.TabPages.Contains(tabPage1))
            {
                tabControl1.TabPages.Remove(tabPage1);
            }
            Shape tempShape = null;
            Tessellation tempTess = null;
            // Each switch case sets the lastTab field, adds the Shape instance to the shapes List, adds the Tessellation instance to the tessellations List,
            // adds the Shape to the tabControl and sets the ContextMenu of that tab to the context menu field in the Shape base class.
            switch (shape)
            {
                case 0:
                    tempShape = new Equilateral();
                    EventSource.output("Equilateral Triangle tab created.");
                    tempTess = new EquilateralTess();
                    tempTess.Name = "Equilateral" + (tempShape.getShapeCount() - 1);
                    break;
                case 1:
                    tempShape = new IsosTri90();
                    EventSource.output("90 Isosceles Triangle tab created.");
                    tempTess = new IsosTri90Tess();
                    tempTess.Name = "IsosTri90" + (tempShape.getShapeCount() - 1);
                    break;
                case 2:
                    tempShape = new IsosTri120();
                    EventSource.output("120 Isosceles Triangle tab created.");
                    tempTess = new IsosTri120Tess();
                    tempTess.Name = "IsosTri120" + (tempShape.getShapeCount() - 1);
                    break;
                case 3:
                    tempShape = new Tri3060();
                    EventSource.output("30-60-90 Triangle tab created.");
                    tempTess = new Tri3060Tess();
                    tempTess.Name = "Tri3060" + (tempShape.getShapeCount() - 1);
                    break;
                case 4:
                    tempShape = new Hexagon();
                    EventSource.output("120 Hexagon tab created.");
                    tempTess = new HexagonTess();
                    tempTess.Name = "Hexagon" + (tempShape.getShapeCount() - 1);
                    break;
                case 5:
                    tempShape = new Rhombus();
                    EventSource.output("60-120 Rhombus tab created.");
                    tempTess = new RhombusTess();
                    tempTess.Name = "Rhombus" + (tempShape.getShapeCount() - 1);
                    break;
                case 6:
                    tempShape = new Kite();
                    EventSource.output("60-90-120 Kite tab created.");
                    tempTess = new KiteTess();
                    tempTess.Name = "Kite" + (tempShape.getShapeCount() - 1);
                    break;
                case 7:
                    tempShape = new Rect(ratio);
                    EventSource.output("Rectangle tab created.");
                    tempTess = new RectTess(ratio);
                    tempTess.Name = "Rectangle" + (tempShape.getShapeCount() - 1);
                    break;
                default:
                    break;
            }

            // The order for this must remain the same, the Shape and Tessellation instances must be added to the Lists before they are added to the Controls
            // because it triggers an event for the tabControl when a new Control is added, and the lastTab must be configured correctly for it.
            if (shapes.Count() != 0)
                lastTab = (Shape)tabControl1.SelectedTab;
            shapes.Add(tempShape);
            tessellations.Add(tempTess);
            tabControl1.TabPages.Add(tempShape);
            instShape = tempShape;
            instTess = tempTess;
        }