PIbd-13_Suslin_V.S._HoistingCrane_Simple/ProjectHoistingCrane/ProjectHoistingCrane/FormHoistingCrane.cs

using ProjectHoistingCrane.Drawnings;
using ProjectHoistingCrane.MovementStrategy;
namespace ProjectHoistingCrane;

public partial class FormHoistingCrane : Form
{
    /// <summary>
    /// Ïîëå-îáúåêò äëÿ ïðîðèñîâêè îáúåêòà
    /// </summary>
    private DrawningCrane? _drawningCrane;
    /// <summary>
    /// Êîíñòðóêòîð ôîðìû
    /// </summary>

    ///<summary>
    ///Ñòðàòåãèÿ ïåðåìåùåíèÿ
    /// </summary>
    private AbstractStrategy? _strategy;

    /// <summary>
    /// Ïîëó÷åíèå îáúåêòà
    /// </summary>
    public DrawningCrane SetCrane
    {
        set
        {
            _drawningCrane = value;
            _drawningCrane.SetPictureSize(pictureBoxHoistingCrane.Width, pictureBoxHoistingCrane.Height);
            comboBoxStrategy.Enabled = true;
            _strategy = null;
            Draw();
        }
    }

    /// <summary>
    /// Êîíñòðóêòîð ôîðìû
    /// </summary>
    public FormHoistingCrane()
    {
        InitializeComponent();
        _strategy = null;
    }


    /// <summary>
    /// Ìåòîä ïðîðèñîâêè êðàíà
    /// </summary>
    private void Draw()
    {
        if (_drawningCrane == null)
        {
            return;
        }
        Bitmap bmp = new(pictureBoxHoistingCrane.Width,
        pictureBoxHoistingCrane.Height);
        Graphics gr = Graphics.FromImage(bmp);
        _drawningCrane.DrawTransport(gr);
        pictureBoxHoistingCrane.Image = bmp;
    }

    /// <summary>
    /// Ïåðåìåùåíèå îáúåêòà ïî ôîðìå (íàæàòèå êíîïîê íàâèãàöèè)
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void buttonMove_Click(object sender, EventArgs e)
    {
        if (_drawningCrane == null)
        {
            return;
        }
        string name = ((Button)sender)?.Name ?? string.Empty;
        bool result = false;
        switch (name)
        {
            case "buttonUp":
                result =
                _drawningCrane.MoveTransport(DirectionType.Up);
                break;
            case "buttonDown":
                result =
                _drawningCrane.MoveTransport(DirectionType.Down);
                break;
            case "buttonLeft":
                result =
                _drawningCrane.MoveTransport(DirectionType.Left);
                break;
            case "buttonRight":
                result =
                _drawningCrane.MoveTransport(DirectionType.Right);
                break;
        }
        if (result)
        {
            Draw();
        }
    }
    
    private void ButtonStrategyStep_Click(object sender, EventArgs e)
    {
        if (_drawningCrane == null)
        {
            return;
        }

        if (comboBoxStrategy.Enabled)
        {
            _strategy = comboBoxStrategy.SelectedIndex switch
            {
                0 => new MoveToCenter(),
                1 => new MoveToBorder(),
                _ => null,
            };
            if (_strategy == null)
            {
                return;
            }
            _strategy.SetData(new MoveableCrane(_drawningCrane), pictureBoxHoistingCrane.Width, pictureBoxHoistingCrane.Height);
        }

        if (_strategy == null)
        {
            return;
        }

        comboBoxStrategy.Enabled = false;
        _strategy.MakeStep();
        Draw();

        if (_strategy.GetStatus() == StrategyStatus.Finish)
        {
            comboBoxStrategy.Enabled = true;
            _strategy = null;
        }
    }
}