PIbd-13_Ladyagin_P.D._Simple/AirplaneWithRadar/ProjectAirplaneWithRadar/CollectionGenericObjects/PlaneSharingService.cs

using ProjectAirplaneWithRadar.Drawnings;
using ProjectAirplaneWithRadar.Exceptions;

namespace ProjectAirplaneWithRadar.CollectionGenericObjects
{

    public class PlaneSharingService : AbstractCompany
    {
        public PlaneSharingService(int picWidth, int picHeight, ICollectionGenericObjects<DrawningAirplane> collection) : base(picWidth, picHeight, collection)
        {
        }

        protected override void DrawBackgound(Graphics g)
        {
            Pen pen = new(Color.Black, 4);
            for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
            {
                for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
                {
                    g.DrawLine(pen, i * _placeSizeWidth, j * _placeSizeHeight,
                        i * _placeSizeWidth + _placeSizeWidth - 40, j * _placeSizeHeight);
                }
                g.DrawLine(pen, i * _placeSizeWidth, 0, i * _placeSizeWidth, _pictureHeight / _placeSizeHeight * _placeSizeHeight);
            }
        }

        protected override void SetObjectsPosition()
        {
            int width = _pictureWidth / _placeSizeWidth;
            int height = _pictureHeight / _placeSizeHeight;

            int curWidth = width - 1;
            int curHeight = 0;

            for (int i = 0; i < (_collection?.Count ?? 0); i++)
            {
                try
                {
                    if (_collection.Get(i) != null)
                    {
                        _collection.Get(i).SetPictureSize(_pictureWidth, _pictureHeight);
                        _collection.Get(i).SetPosition(_placeSizeWidth * curWidth + 10, curHeight * _placeSizeHeight + 5);
                    }

                    if (curWidth > 0)
                        curWidth--;
                    else
                    {
                        curWidth = width - 1;
                        curHeight++;
                    }
                    if (curHeight > height)
                    {
                        return;
                    }
                }
                catch (ObjectNotFoundException)
                {
                    break;
                }
            }
        }
    }

}