public void AddShape(Shape targetShape, int shapeIndex) //增加Shape命令
{
if (!targetShape.IsAPoint) //可形成圖形 則新增命令
{
NewCommandExcute();
_commands.Add(new AddShapeCommand(_model, targetShape, shapeIndex));
targetShape.ResetLocationOfPaintPoint();
}
else //無法形成圖形 刪除點
{
_model.DeleteShape(shapeIndex);
}
}
public override void Redo() //取消復原動作
{
_model.DeleteShape(_shapeIndex);
}
public override void Undo() //復原
{
_model.DeleteShape(_shapeIndex);
_model.DisPoseFocusShape();
}
