public MainPage()
{
#region initialization
this.InitializeComponent();
_model = new Model();
_presentationModel = new PresentationModel.PresentationModel(_model);
_interfaceGraphics = new WindowsStoreGraphicsAdaptor(_canvas);
// prepare buttons
_shapeButtons = new List <Button>();
_shapeButtons.Add(_rectangle);
_shapeButtons.Add(_line);
_shapeButtons.Add(_hexagon);
// prepare events
_canvas.PointerPressed += HandleCanvasPressed;
_canvas.PointerReleased += HandleCanvasReleased;
_canvas.PointerMoved += HandleCanvasMoved;
_clear.Click += HandleClearButtonClick;
_rectangle.Click += HandleRectangleButtonClick;
_line.Click += HandleLineButtonClick;
_hexagon.Click += HandleHexagonButtonClick;
_undo.Click += UndoHandler;
_redo.Click += RedoHandler;
_model._modelChanged += HandleModelChanged;
_model._modelChanged += RefreshUserInterface;
// prepare state
_drawingState = new DrawingState(_model);
_pointerState = new PointerState(_model);
_model.CurrentState = _pointerState;
#endregion
}
public void ChangeState(DrawingState state)
{
this.state = state;
}
