PIbd-14_Pruidze_I.K_Simple_Cruiser/ProjectCruiser/EditorForm3.cs

using ProjectCruiser.DrawningSamples;
using ProjectCruiser.Entities;
using System;

namespace ProjectCruiser;
public partial class EditorForm3 : Form
{
    private DrawningBase _cruiser;

    // private event Action<DrawingBase>? shipDelegate;
    private event ShipDelegate? shipDelegate;

    public EditorForm3()
    {
        InitializeComponent();
        BlueP.MouseDown += Panel_MouseDown;
        RedP.MouseDown += Panel_MouseDown;
        PinkP.MouseDown += Panel_MouseDown;
        YellowP.MouseDown += Panel_MouseDown;
        CyanP.MouseDown += Panel_MouseDown;
        PurpleP.MouseDown += Panel_MouseDown;
        GreenP.MouseDown += Panel_MouseDown;
        OrangeP.MouseDown += Panel_MouseDown;
        btnCancel.Click += (sender, e) => Close();
    }

    public void AddEvent(ShipDelegate del)// Action<DrawingBase> delegator)
    {
        if (shipDelegate == null) shipDelegate = del;
        else shipDelegate += del;
    }

    private void DrawObject()
    {
        Bitmap bmp = new(Showcase.Width, Showcase.Height);
        Graphics gr = Graphics.FromImage(bmp);

        _cruiser?.SetPictureSize(Showcase.Width, Showcase.Height);
        _cruiser?.SetPosition(Showcase.Width - 400, Showcase.Height - 120);
        _cruiser?.DrawTransport(gr);
        Showcase.Image = bmp;
    }

    private void Panel_MouseDown(object? sender, MouseEventArgs e)
    {
        // TODO отправка цвета в Drag&Drop
        (sender as Control).DoDragDrop((sender as Control).BackColor, DragDropEffects.Move | DragDropEffects.Copy);
    }

    private void BaseAdvLabel_MouseDown(object sender, MouseEventArgs e)
    {
        (sender as Label)?.DoDragDrop((sender as Label)?.Name ?? string.Empty, DragDropEffects.Move | DragDropEffects.Copy);
    }

    private void PanelObject_DragEnter(object sender, DragEventArgs e)
    {
        if (e.Data?.GetDataPresent(DataFormats.Text) ?? false) e.Effect = DragDropEffects.Copy;
        else e.Effect = DragDropEffects.None;
    }

    private void PanelObject_DragDrop(object sender, DragEventArgs e)
    {
        switch (e.Data?.GetData(DataFormats.Text)?.ToString())
        {
            case "BaseLabel":
                EntityBase ship = new EntityBase((int)SpeedN.Value, (double)WeightN.Value, Color.White);
                _cruiser = new DrawningBase(ship);
                break;
            case "AdvLabel":
                Random rn = new Random();
                EntityCruiser cruiser = new EntityCruiser((int)SpeedN.Value, (double)WeightN.Value,
                            Color.White, Color.Black, checkBoxPads.Checked, checkBoxHangars.Checked);
                _cruiser = new DrawningCruiser(cruiser);
                break;
        }
        labelMcolor.BackColor = Color.Empty;
        labelAcolor.BackColor = Color.Empty;
        DrawObject();
    }

    // Логика смены цветов: основного и дополнительного (для продвинутого объекта)
    private void BodyColor_DragEnter(object sender, DragEventArgs e)
    {
        if (e.Data.GetDataPresent(typeof(Color))) e.Effect = DragDropEffects.Copy;
        else e.Effect = DragDropEffects.None;
    }
    private void BodyColor_DragDrop(object sender, DragEventArgs e)
    {
        if (_cruiser != null)
        {
            _cruiser.EntityTransport.setMainColor((Color)e.Data.GetData(typeof(Color)));
            DrawObject();
        }
    }

    private void AdditionalColor_DragEnter(object sender, DragEventArgs e)
    {
        if (_cruiser is DrawningCruiser)
        {
            if (e.Data.GetDataPresent(typeof(Color))) e.Effect = DragDropEffects.Copy;
            else e.Effect = DragDropEffects.None;
        }
    }
    private void AdditionalColor_DragDrop(object sender, DragEventArgs e)
    {
        if (_cruiser.EntityTransport is EntityCruiser _ship)
        {
            _ship.setAdditionalColor((Color)e.Data.GetData(typeof(Color)));
        }
        DrawObject();
    }

    private void AddButton_Click(object sender, EventArgs e)
    {
        if (_cruiser != null)
        {
            shipDelegate?.Invoke(_cruiser);
            Close();
        }
    }
}