public override void Start(object sender)
{
if (sender is Canvas)
{
Canvas canvas = (Canvas)sender;
Point mousePosition = Mouse.GetPosition(canvas);
ShapeHolder shapeHolder = CanvasHolder.ActiveShapeHolder;
if (shapeHolder == null)
{
shapeHolder = ShapeHolderFactory.CreateShapeHolder(CanvasHolder);
CanvasHolder.ActiveShapeHolder = shapeHolder;
}
HandlePoint newHandlePoint = new HandlePoint(mousePosition, shapeHolder);
shapeHolder.CreateByPoint(newHandlePoint);
if (shapeHolder.HandlePoints.Count > 2)
{
shapeHolder.ModifyByPoint(newHandlePoint);
}
}
}
private void AddPoint_OnClick(object sender, RoutedEventArgs e)
{
Point position = new Point();
position.X = Convert.ToDouble(tbPositionX.Text);
position.Y = Convert.ToDouble(tbPositionY.Text);
ShapeHolder shapeHolder = CanvasHolder.ActiveShapeHolder;
if (shapeHolder == null)
{
shapeHolder = ShapeHolderFactory.CreateShapeHolder(CanvasHolder);
CanvasHolder.ActiveShapeHolder = shapeHolder;
}
HandlePoint newHandlePoint = new HandlePoint(position, shapeHolder);
shapeHolder.CreateByPoint(newHandlePoint);
if (shapeHolder.HandlePoints.Count > 2)
{
shapeHolder.ModifyByPoint(newHandlePoint);
}
}
public virtual void ModifyShape()
{
ShapeHolder.ModifyByPoint(this);
}
