// 將 json 字串轉為 shapes
public void ConvertToShapes(string text)
{
Debug.WriteLine(text);
_shapes = new List <Shape>();
List <ShapeFormat> shapeFormats = JsonSerializer.Deserialize <List <ShapeFormat> >(text);
foreach (ShapeFormat shapeFormat in shapeFormats)
{
Shape shape = new ShapeFactory().CreateShape((ShapeType)shapeFormat.ShapeType);
shape.SetStartPoint(shapeFormat.StartPointLeft, shapeFormat.StartPointTop);
shape.SetEndPoint(shapeFormat.EndPointLeft, shapeFormat.EndPointTop);
shape.IsReverse = shapeFormat.IsReverse;
Debug.WriteLine(shape.IsReverse);
_shapes.Add(shape);
}
}
/// <summary> Pointer pressed. </summary>
///
/// <param name="pointX"> The x coordinate. </param>
/// <param name="pointY"> The y coordinate. </param>
public void PressPointer(double pointX, double pointY)
{
if (pointX > 0 && pointY > 0)
{
_firstPointX = pointX;
_firstPointY = pointY;
if (_drawType == DrawType.Line)
{
_shape = ShapeFactory.GetLine(_firstPointX, _firstPointY, 0, 0);
}
else if (_drawType == DrawType.Diamond)
{
_shape = ShapeFactory.GetDiamond(_firstPointX, _firstPointY, 0, 0);
}
else if (_drawType == DrawType.Ellipse)
{
_shape = ShapeFactory.GetEllipse(_firstPointX, _firstPointY, 0, 0);
}
_isPressed = true;
}
}
/// <summary> Releases the shape. </summary>
///
/// <exception cref="KeyNotFoundException"> Thrown when a Key Not Found error condition occurs. </exception>
///
/// <param name="pointX"> The x coordinate. </param>
/// <param name="pointY"> The y coordinate. </param>
private void ReleaseShape(double pointX, double pointY)
{
IShape shape;
if (_drawType == DrawType.Line)
{
shape = ShapeFactory.GetLine(_firstPointX, _firstPointY, pointX, pointY);
}
else if (_drawType == DrawType.Diamond)
{
shape = ShapeFactory.GetDiamond(_firstPointX, _firstPointY, pointX, pointY);
}
else if (_drawType == DrawType.Ellipse)
{
shape = ShapeFactory.GetEllipse(_firstPointX, _firstPointY, pointX, pointY);
}
else
{
return;
}
ICommand newCommand = new DrawCommand(this, shape);
_commandManager.ExecuteNewCommand(newCommand);
}
public PointerState(Model model)
{
_model = model;
_shapeFactory = new ShapeFactory();
}
public Model()
{
_shapes = new List <IShape>();
_commandManager = new CommandManager();
_shapeFactory = new ShapeFactory();
}