Лабораторная работа №8

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/AbstractCompany.cs

@@ -59,7 +59,7 @@ public abstract class AbstractCompany
     /// <returns></returns>
     public static int operator +(AbstractCompany company, DrawningAirbus airbus)
     {
-        return company._collection.Insert(airbus);
+        return company._collection.Insert(airbus, new DrawningAirbusEqutables());
     }
 
     /// <summary>
@@ -103,6 +103,12 @@ public abstract class AbstractCompany
         return bitmap;
     }
 
+    /// <summary>
+    /// Сортировка
+    /// </summary>
+    /// <param name="comparer">Сравнитель объектов</param>
+    public void Sort(IComparer<DrawningAirbus?> comparer) => _collection?.CollectionSort(comparer);
+
     /// <summary>
     /// Вывод заднего фона
     /// </summary>

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/CollectionInfo.cs

@@ -0,0 +1,76 @@
+namespace ProjectAirbus.CollectionGenericObjects;
+
+/// <summary>
+/// Класс, хранящий информацию о коллекции
+/// </summary>
+public class CollectionInfo : IEquatable<CollectionInfo>
+{
+    /// <summary>
+    /// Название
+    /// </summary>
+    public string Name { get; private set; }
+
+    /// <summary>
+	/// Тип
+	/// </summary>
+	public CollectionType CollectionType { get; private set; }
+
+    /// <summary>
+    /// Описание
+    /// </summary>
+    public string Description { get; private set; }
+
+    /// <summary>
+    /// Разделитель для записи информации по объекту в файл
+    /// </summary>
+    private static readonly string _separator = "-";
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="name">Название</param>
+    /// <param name="collectionType">Тип</param>
+    /// <param name="description">Описание</param>
+    public CollectionInfo(string name, CollectionType collectionType, string description)
+    {
+        Name = name;
+        CollectionType = collectionType;
+        Description = description;
+    }
+
+    /// <summary>
+    /// Создание объекта из строки
+    /// </summary>
+    /// <param name="data">Строка</param>
+    /// <returns>Объект или null</returns>
+    public static CollectionInfo? GetCollectionInfo(string data)
+    {
+        string[] strs = data.Split(_separator, StringSplitOptions.RemoveEmptyEntries);
+        if (strs.Length < 1 || strs.Length > 3)
+        {
+            return null;
+        }
+
+        return new CollectionInfo(strs[0], (CollectionType)Enum.Parse(typeof(CollectionType), strs[1]), strs.Length > 2 ? strs[2] : string.Empty);
+    }
+
+    public override string ToString()
+    {
+        return Name + _separator + CollectionType + _separator + Description;
+    }
+
+    public bool Equals(CollectionInfo? other)
+    {
+        return Name == other?.Name;
+    }
+
+    public override bool Equals(object? obj)
+    {
+        return Equals(obj as CollectionInfo);
+    }
+
+    public override int GetHashCode()
+    {
+        return Name.GetHashCode();
+    }
+}

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -20,16 +20,18 @@ public interface ICollectionGenericObjects<T> where T : class
     /// Добавление объекта в коллекцию
     /// </summary>
     /// <param name="obj">Добавляемый объект</param>
+    /// <param name="comparer">Сравнение двух объектов</param>
     /// <returns>true - вставка прошла успешно, false - вставка не удалась</returns>
-    int Insert(T obj);
+    int Insert(T obj, IEqualityComparer<T?>? comparer = null);
 
     /// <summary>
     /// Добавление объекта в коллекцию на конкретную позицию
     /// </summary>
     /// <param name="obj">Добавляемый объект</param>
     /// <param name="position">Позиция</param>
+    /// <param name="comparer">Сравнение двух объектов</param>
     /// <returns>true - вставка прошла успешно, false - вставка не удалась</returns>
-    int Insert(T obj, int position);
+    int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null);
 
     /// <summary>
     /// Удаление объекта из коллекции с конкретной позиции
@@ -55,4 +57,10 @@ public interface ICollectionGenericObjects<T> where T : class
     /// </summary>
     /// <returns>Поэлементный вывод элементов коллекции</returns>
     IEnumerable<T?> GetItems();
+
+    /// <summary>
+    /// Сортировка коллекции
+    /// </summary>
+    /// <param name="comparer">Сравнитель объектов</param>
+    void CollectionSort(IComparer<T?> comparer);
 }

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/ListGenericObjects.cs

@@ -52,8 +52,15 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T> where T : clas
         return _collection[position];
     }
 
-    public int Insert(T obj)
+    public int Insert(T obj, IEqualityComparer<T?>? comparer = null)
     {
+        if (comparer != null)
+        {
+            if (_collection.Contains(obj, comparer))
+            {
+                throw new ObjectNotUniqueException();
+            }
+        }
         if (Count == _maxCount)
         {
             throw new CollectionOverflowException(Count);
@@ -62,8 +69,15 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T> where T : clas
         return Count;
     }
 
-    public int Insert(T obj, int position)
+    public int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null)
     {
+        if (comparer != null)
+        {
+            if (_collection.Contains(obj, comparer))
+            {
+                throw new ObjectNotUniqueException();
+            }
+        }
         if (Count == _maxCount)
         {
             throw new CollectionOverflowException(Count);
@@ -94,4 +108,9 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T> where T : clas
             yield return _collection[i];
         }
     }
+
+    void ICollectionGenericObjects<T>.CollectionSort(IComparer<T?> comparer)
+    {
+        _collection.Sort(comparer);
+    }
 }

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,6 @@
-using ProjectAirbus.Exceptions;
+using ProjectAirbus.Drawnings;
+using ProjectAirbus.Exceptions;
+using System.Collections.Immutable;
 
 namespace ProjectAirbus.CollectionGenericObjects;
 
@@ -57,8 +59,18 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T> where T : c
         return _collection[position];
     }
 
-    public int Insert(T obj)
+    public int Insert(T obj, IEqualityComparer<T?>? comparer = null)
     {
+        if (comparer != null)
+        {
+            foreach (T? item in _collection)
+            {
+                if ((comparer as IEqualityComparer<DrawningAirbus>).Equals(obj as DrawningAirbus, item as DrawningAirbus))
+                {
+                    throw new ObjectNotUniqueException();
+                }
+            }
+        }
         // TODO вставка в свободное место набора
         for (int i = 0; i < Count; i++)
         {
@@ -72,7 +84,7 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T> where T : c
         throw new CollectionOverflowException(Count);
     }
 
-    public int Insert(T obj, int position)
+    public int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null)
     {
         // TODO проверка позиции
         // TODO проверка, что элемент массима по этой позиции пустой,
@@ -140,4 +152,9 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T> where T : c
             yield return _collection[i];
         }
     }
+
+    void ICollectionGenericObjects<T>.CollectionSort(IComparer<T?> comparer)
+    {
+        Array.Sort(_collection, comparer);
+    }
 }

ProjectAirbus/ProjectAirbus/CollectionGenericObjects/StorageCollection.cs

@@ -13,12 +13,12 @@ public class StorageCollection<T> where T : DrawningAirbus
     /// <summary>
     /// Словарь (хранилище с коллекциями
     /// </summary>
-    readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
+    readonly Dictionary<CollectionInfo, ICollectionGenericObjects<T>> _storages;
 
     /// <summary>
     /// Возвращение списка названия коллекций
     /// </summary>
-    public List<string> Keys => _storages.Keys.ToList();
+    public List<CollectionInfo> Keys => _storages.Keys.ToList();
 
     /// <summary>
     /// Ключевое слово, с которого должен начинаться файл
@@ -40,7 +40,7 @@ public class StorageCollection<T> where T : DrawningAirbus
     /// </summary>
     public StorageCollection()
     {
-        _storages = new Dictionary<string, ICollectionGenericObjects<T>>();
+        _storages = new Dictionary<CollectionInfo, ICollectionGenericObjects<T>>();
     }
 
     /// <summary>
@@ -50,18 +50,20 @@ public class StorageCollection<T> where T : DrawningAirbus
     /// <param name="collectionType">Тип коллекции</param>
     public void AddCollection(string name, CollectionType collectionType)
     {
-        if (_storages.ContainsKey(name) || collectionType == CollectionType.None)
+        CollectionInfo collectionInfo = new CollectionInfo(name, collectionType, string.Empty);
+
+        if (_storages.ContainsKey(collectionInfo) || collectionInfo.CollectionType == CollectionType.None)
         {
             return;
         }
 
-        switch (collectionType)
+        switch (collectionInfo.CollectionType)
         {
             case CollectionType.Massive:
-                _storages[name] = new MassiveGenericObjects<T>();
+                _storages[collectionInfo] = new MassiveGenericObjects<T>();
                 break;
             case CollectionType.List:
-                _storages[name] = new ListGenericObjects<T>();
+                _storages[collectionInfo] = new ListGenericObjects<T>();
                 break;
         }
     }
@@ -72,9 +74,10 @@ public class StorageCollection<T> where T : DrawningAirbus
     /// <param name="name">Название коллекции</param>
     public void DelCollection(string name)
     {
-        if (_storages.ContainsKey(name) && name != null)
+        CollectionInfo collectionInfo = new CollectionInfo(name, CollectionType.None, string.Empty);
+        if (_storages.ContainsKey(collectionInfo) && collectionInfo != null)
         {
-            _storages.Remove(name);
+            _storages.Remove(collectionInfo);
         }
     }
 
@@ -87,9 +90,10 @@ public class StorageCollection<T> where T : DrawningAirbus
     {
         get
         {
-            if (_storages.ContainsKey(name))
+            CollectionInfo collectionInfo = new CollectionInfo(name, CollectionType.None, string.Empty);
+            if (_storages.ContainsKey(collectionInfo))
             {
-                return _storages[name];
+                return _storages[collectionInfo];
             }   
             return null;
         }
@@ -114,7 +118,7 @@ public class StorageCollection<T> where T : DrawningAirbus
         using (StreamWriter writer = new StreamWriter(filename))
         {
             writer.Write(_collectionKey);
-            foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+            foreach (KeyValuePair<CollectionInfo, ICollectionGenericObjects<T>> value in _storages)
             {
                 StringBuilder sb = new();
 
@@ -127,8 +131,6 @@ public class StorageCollection<T> where T : DrawningAirbus
 
                 sb.Append(value.Key);
                 sb.Append(_separatorForKeyValue);
-                sb.Append(value.Value.GetCollectionType);
-                sb.Append(_separatorForKeyValue);
                 sb.Append(value.Value.MaxCount);
                 sb.Append(_separatorForKeyValue);
 
@@ -179,17 +181,18 @@ public class StorageCollection<T> where T : DrawningAirbus
             while ((strs = fs.ReadLine()) != null)
             {
                 string[] record = strs.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
-                if (record.Length != 4)
+                if (record.Length != 3)
                 {
                     continue;
                 }
 
-                CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
+                CollectionInfo? collectionInfo = CollectionInfo.GetCollectionInfo(record[0]) ??
-                ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType) ??
+                    throw new Exception("Не удалось определить информацию коллекции:" + record[0]);
+                ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionInfo.CollectionType) ??
                     throw new Exception("Не удалось определить тип коллекции: " + record[1]);
-                collection.MaxCount = Convert.ToInt32(record[2]);
+                collection.MaxCount = Convert.ToInt32(record[1]);
 
-                string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
+                string[] set = record[2].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
                 foreach (string elem in set)
                 {
                     if (elem?.CreateDrawningAirbus() is T airbus)
@@ -207,7 +210,7 @@ public class StorageCollection<T> where T : DrawningAirbus
                         }
                     }
                 }
-                _storages.Add(record[0], collection);
+                _storages.Add(collectionInfo, collection);
             }
         }
     }

ProjectAirbus/ProjectAirbus/Drawnings/DrawningAirbusCompareByColor.cs

@@ -0,0 +1,22 @@
+namespace ProjectAirbus.Drawnings;
+
+/// <summary>
+/// Сравнение по цвету, скорости, весу
+/// </summary>
+public class DrawningAirbusCompareByColor : IComparer<DrawningAirbus?>
+{
+    public int Compare(DrawningAirbus? x, DrawningAirbus? y)
+    {
+        if (x == null || x.EntityAirbus == null) return 1;
+
+        if (y == null || y.EntityAirbus == null) return -1;
+
+        var bodycolorCompare = x.EntityAirbus.BodyColor.Name.CompareTo(y.EntityAirbus.BodyColor.Name);
+        if (bodycolorCompare != 0) return bodycolorCompare;
+
+        var speedCompare = x.EntityAirbus.Speed.CompareTo(y.EntityAirbus.Speed);
+        if (speedCompare != 0) return speedCompare;
+
+        return x.EntityAirbus.Weight.CompareTo(y.EntityAirbus.Weight);
+    }
+}

ProjectAirbus/ProjectAirbus/Drawnings/DrawningAirbusCompareByType.cs

@@ -0,0 +1,21 @@
+namespace ProjectAirbus.Drawnings;
+
+/// <summary>
+/// Сравнение по типу, скорости и весу
+/// </summary>
+public class DrawningAirbusCompareByType : IComparer<DrawningAirbus?>
+{
+    public int Compare(DrawningAirbus? x, DrawningAirbus? y)
+    {
+        if (x == null || x.EntityAirbus == null) return 1;
+
+        if (y == null || y.EntityAirbus == null) return -1;
+
+        if (x.GetType().Name != y.GetType().Name) return x.GetType().Name.CompareTo(y.GetType().Name);
+
+        var speedCompare = x.EntityAirbus.Speed.CompareTo(y.EntityAirbus.Speed);
+        if (speedCompare != 0) return speedCompare;
+
+        return x.EntityAirbus.Weight.CompareTo(y.EntityAirbus.Weight);
+    }
+}

ProjectAirbus/ProjectAirbus/Drawnings/DrawningAirbusEqutables.cs

@@ -0,0 +1,43 @@
+using ProjectAirbus.Entities;
+using System.Diagnostics.CodeAnalysis;
+
+namespace ProjectAirbus.Drawnings;
+
+/// <summary>
+/// Реализация сравнения двух объектов класса-прорисовки
+/// </summary>
+public class DrawningAirbusEqutables : IEqualityComparer<DrawningAirbus?>
+{
+    public bool Equals(DrawningAirbus? x, DrawningAirbus? y)
+    {
+        if (x == null || x.EntityAirbus == null) return false;
+
+        if (y == null || y.EntityAirbus == null) return false;
+
+        if (x.GetType().Name != y.GetType().Name) return false;
+
+        if (x.EntityAirbus.Speed != y.EntityAirbus.Speed) return false;
+
+        if (x.EntityAirbus.Weight != y.EntityAirbus.Weight) return false;
+
+        if (x.EntityAirbus.BodyColor != y.EntityAirbus.BodyColor) return false;
+
+        if (x is DrawningBigAirbus bigX && y is DrawningBigAirbus bigY)
+        {
+            // TODO доделать логику сравнения дополнительных параметров
+            EntityBigAirbus _x = (EntityBigAirbus)x.EntityAirbus;
+            EntityBigAirbus _y = (EntityBigAirbus)y.EntityAirbus;
+
+            if (_x.AdditionalEngine != _y.AdditionalEngine) return false;
+            if (_x.PassengerCompartment != _y.PassengerCompartment) return false;
+            if (_x.AdditionalColor != _y.AdditionalColor) return false;
+        }
+
+        return true;
+    }
+
+    public int GetHashCode([DisallowNull] DrawningAirbus obj)
+    {
+        return obj.GetHashCode();
+    }
+}

ProjectAirbus/ProjectAirbus/Exceptions/ObjectNotUniqeException.cs

@@ -0,0 +1,20 @@
+using System.Runtime.Serialization;
+
+namespace ProjectAirbus.Exceptions;
+
+/// <summary>
+/// Класс, описывающий ошибку наличия такого же объекта в коллекции
+/// </summary>
+[Serializable]
+internal class ObjectNotUniqueException : ApplicationException
+{
+    public ObjectNotUniqueException(int i) : base("В коллекции есть такой же элемент на позиции: " + i) { }
+
+    public ObjectNotUniqueException() : base() { }
+
+    public ObjectNotUniqueException(string message) : base(message) { }
+
+    public ObjectNotUniqueException(string message, Exception exception) : base(message, exception) { }
+
+    protected ObjectNotUniqueException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+}

ProjectAirbus/ProjectAirbus/FormAirbusCollection.Designer.cs

@@ -52,6 +52,8 @@
             LoadToolStripMenuItem = new ToolStripMenuItem();
             saveFileDialog = new SaveFileDialog();
             openFileDialog = new OpenFileDialog();
+            buttonSortByType = new Button();
+            buttonSortByColor = new Button();
             groupBocTools.SuspendLayout();
             panelCompanyTools.SuspendLayout();
             panelStorage.SuspendLayout();
@@ -68,13 +70,15 @@
             groupBocTools.Dock = DockStyle.Right;
             groupBocTools.Location = new Point(867, 24);
             groupBocTools.Name = "groupBocTools";
-            groupBocTools.Size = new Size(172, 538);
+            groupBocTools.Size = new Size(172, 552);
             groupBocTools.TabIndex = 0;
             groupBocTools.TabStop = false;
             groupBocTools.Text = "Инструменты";
             // 
             // panelCompanyTools
             // 
+            panelCompanyTools.Controls.Add(buttonSortByType);
+            panelCompanyTools.Controls.Add(buttonSortByColor);
             panelCompanyTools.Controls.Add(buttonAddAirbus);
             panelCompanyTools.Controls.Add(buttonRemoveAirbus);
             panelCompanyTools.Controls.Add(maskedTextBoxPosition);
@@ -82,9 +86,9 @@
             panelCompanyTools.Controls.Add(buttonRefresh);
             panelCompanyTools.Dock = DockStyle.Bottom;
             panelCompanyTools.Enabled = false;
-            panelCompanyTools.Location = new Point(3, 337);
+            panelCompanyTools.Location = new Point(3, 338);
             panelCompanyTools.Name = "panelCompanyTools";
-            panelCompanyTools.Size = new Size(166, 198);
+            panelCompanyTools.Size = new Size(166, 211);
             panelCompanyTools.TabIndex = 10;
             // 
             // buttonAddAirbus
@@ -100,7 +104,7 @@
             // 
             // buttonRemoveAirbus
             // 
-            buttonRemoveAirbus.Location = new Point(3, 114);
+            buttonRemoveAirbus.Location = new Point(3, 61);
             buttonRemoveAirbus.Name = "buttonRemoveAirbus";
             buttonRemoveAirbus.Size = new Size(160, 23);
             buttonRemoveAirbus.TabIndex = 4;
@@ -111,7 +115,7 @@
             // maskedTextBoxPosition
             // 
             maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            maskedTextBoxPosition.Location = new Point(3, 85);
+            maskedTextBoxPosition.Location = new Point(3, 32);
             maskedTextBoxPosition.Mask = "00";
             maskedTextBoxPosition.Name = "maskedTextBoxPosition";
             maskedTextBoxPosition.Size = new Size(160, 23);
@@ -120,7 +124,7 @@
             // 
             // buttonGoToCheck
             // 
-            buttonGoToCheck.Location = new Point(3, 143);
+            buttonGoToCheck.Location = new Point(3, 90);
             buttonGoToCheck.Name = "buttonGoToCheck";
             buttonGoToCheck.Size = new Size(160, 23);
             buttonGoToCheck.TabIndex = 5;
@@ -130,7 +134,7 @@
             // 
             // buttonRefresh
             // 
-            buttonRefresh.Location = new Point(3, 172);
+            buttonRefresh.Location = new Point(3, 119);
             buttonRefresh.Name = "buttonRefresh";
             buttonRefresh.Size = new Size(160, 23);
             buttonRefresh.TabIndex = 6;
@@ -249,7 +253,7 @@
             pictureBox.Dock = DockStyle.Fill;
             pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(867, 538);
+            pictureBox.Size = new Size(867, 552);
             pictureBox.TabIndex = 7;
             pictureBox.TabStop = false;
             // 
@@ -293,10 +297,30 @@
             // 
             openFileDialog.Filter = "txt file | *.txt";
             // 
+            // buttonSortByType
+            // 
+            buttonSortByType.Location = new Point(3, 148);
+            buttonSortByType.Name = "buttonSortByType";
+            buttonSortByType.Size = new Size(160, 23);
+            buttonSortByType.TabIndex = 8;
+            buttonSortByType.Text = "Сортировка по типу";
+            buttonSortByType.UseVisualStyleBackColor = true;
+            buttonSortByType.Click += buttonSortByType_Click;
+            // 
+            // buttonSortByColor
+            // 
+            buttonSortByColor.Location = new Point(3, 177);
+            buttonSortByColor.Name = "buttonSortByColor";
+            buttonSortByColor.Size = new Size(160, 23);
+            buttonSortByColor.TabIndex = 9;
+            buttonSortByColor.Text = "Сортировка по цвету";
+            buttonSortByColor.UseVisualStyleBackColor = true;
+            buttonSortByColor.Click += buttonSortByColor_Click;
+            // 
             // FormAirbusCollection
             // 
             AutoScaleMode = AutoScaleMode.None;
-            ClientSize = new Size(1039, 562);
+            ClientSize = new Size(1039, 576);
             Controls.Add(pictureBox);
             Controls.Add(groupBocTools);
             Controls.Add(menuStrip);
@@ -341,5 +365,7 @@
         private ToolStripMenuItem LoadToolStripMenuItem;
         private SaveFileDialog saveFileDialog;
         private OpenFileDialog openFileDialog;
+        private Button buttonSortByType;
+        private Button buttonSortByColor;
     }
 }

ProjectAirbus/ProjectAirbus/FormAirbusCollection.cs

@@ -85,6 +85,11 @@ public partial class FormAirbusCollection : Form
             MessageBox.Show(ex.Message);
             _logger.LogError("Ошибка: {Message}", ex.Message);
         }
+        catch (ObjectNotUniqueException ex)
+        {
+            MessageBox.Show("Такой объект уже присутствует в коллекции");
+            _logger.LogError("Ошибка: {Message}", ex.Message);
+        }
     }
 
     /// <summary>
@@ -250,7 +255,7 @@ public partial class FormAirbusCollection : Form
         listBoxCollection.Items.Clear();
         for (int i = 0; i < _storageCollection.Keys?.Count; ++i)
         {
-            string? colName = _storageCollection.Keys?[i];
+            string? colName = _storageCollection.Keys?[i].Name;
             if (!string.IsNullOrEmpty(colName))
             {
                 listBoxCollection.Items.Add(colName);
@@ -335,4 +340,25 @@ public partial class FormAirbusCollection : Form
         }
         RefreshListBoxItems();
     }
+
+    private void buttonSortByType_Click(object sender, EventArgs e)
+    {
+        CompareCars(new DrawningAirbusCompareByType());
+    }
+
+    private void buttonSortByColor_Click(object sender, EventArgs e)
+    {
+        CompareCars(new DrawningAirbusCompareByColor());
+    }
+
+    private void CompareCars(IComparer<DrawningAirbus?> comparer)
+    {
+        if (_company == null)
+        {
+            return;
+        }
+
+        _company.Sort(comparer);
+        pictureBox.Image = _company.Show();
+    }
 }