PIbd-14_Pruidze_I.K_Simple_Cruiser/ProjectCruiser/CollectionGenericObj/ShipSharingService.cs

using ProjectCruiser.DrawningSamples;
namespace ProjectCruiser.CollectionGenericObj;

public class ShipSharingService : AbstractCompany
{
    protected int MaxInRow { get; private set; }
    protected int MaxInColon { get; private set; }

    private int fromBorder = 20, fromCeiling = 20, between = 30;

    public ShipSharingService(int picWidth, int picHeight,
        ICollectionGenObj<DrawningBase> collection)
        : base(picWidth, picHeight, collection)
    {
        MaxInRow = (picWidth - fromBorder - fromCeiling)
            / (_placeSizeWidth + between);
        MaxInColon = (picHeight - fromBorder - fromCeiling)
            / _placeSizeHeight;
    }

    protected override void DrawBackground(Graphics g)
    {
        Pen pen = new(Color.Black, 2);

        int currentH = fromCeiling, currentW = fromBorder;

        for (int i = 0; i < MaxInRow; i++)
        {
            currentH = fromCeiling;
            for (int j = 0; j < MaxInColon; j++)
            {
                g.DrawLine(pen, currentW + _placeSizeWidth,
                    currentH, currentW, currentH);

                g.DrawLine(pen, currentW, currentH,
                    currentW, currentH + _placeSizeHeight);

                currentH += _placeSizeHeight + 1;
            }
            currentW += _placeSizeWidth + between;
        }
    }

    protected override void SetObjectsPosition(int border)
    {
        int index_collection = 0;
        int newY = fromCeiling + 4;

        if (_collection != null)
        {
            for (int i = 0; i < MaxInColon; i++)
            {
                int newX = fromBorder + 2;
                for (int j = 0; j < MaxInRow; j++)
                {
                    // TRY / CATCH [?]
                    _collection.GetItem(index_collection).SetPictureSize(
                        _pictureWidth, _pictureHeight);

                    _collection.GetItem(index_collection).SetPosition(newX, newY);

                    newX += _placeSizeWidth + between + 2;

                    if (index_collection < border)
                    {
                        index_collection++;
                    }
                    else return;
                }
                newY += _placeSizeHeight + 1;
            }
        }
    }
}