Лабораторная работа №8

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/AbstractCompany.cs

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

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/CollectionInfo.cs

@@ -0,0 +1,72 @@
+namespace ProjectExcavator.CollectionGenericObjects;
+
+/// <summary>
+/// Класс, хранящий информацию по 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;
+    }
+
+    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();
+    }
+}

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -1,4 +1,6 @@
-namespace ProjectExcavator.CollectionGenericObjects;
+using ProjectExcavator.Drawnings;
+
+namespace ProjectExcavator.CollectionGenericObjects;
 
 /// <summary>
 /// Интерфейс описания действий для набора хранимых объектов
@@ -21,16 +23,18 @@ public interface ICollectionGenericObjects<T>
     /// Добавление элемента 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<DrawningBulldozer?>? comparer = null);
 
     /// <summary>
     /// Добавление элемента в коллекцию на конкретную позицию
     /// </summary>
     /// <param name="obj">Добавляемый элемент</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<DrawningBulldozer?>? comparer = null);
 
     /// <summary>
     /// Удаление объекта из коллекции с конкретной позиции
@@ -56,4 +60,10 @@ public interface ICollectionGenericObjects<T>
     /// </summary>
     /// <returns>Поэлементный вывод элементов коллекции</returns>
     IEnumerable<T?> GetItems();
+
+    /// <summary>
+    /// Сортировка коллекции
+    /// </summary>
+    /// <param name="comparer">Сравниватель объектов</param>
+    void CollectionSort(IComparer<T?> comparer);
 }

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/ListGenericObjects.cs

@@ -1,4 +1,4 @@
-
+using ProjectExcavator.Drawnings;
 using ProjectExcavator.Exceptions;
 
 namespace ProjectExcavator.CollectionGenericObjects;
@@ -39,8 +39,13 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public int Insert(T obj)
+    public int Insert(T obj, IEqualityComparer<DrawningBulldozer?>? comparer = null)
     {
+        // TODO выброс ошибки, если такой объект есть в коллекции
+        if (comparer != null && _collection.Contains(obj))
+        {
+            throw new CollectionAlreadyExistsException();
+        }
         // проверка, что не превышено максимальное количество элементов
         if (_collection.Count >= _maxCount)
         {
@@ -51,8 +56,13 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         return _maxCount;
     }
 
-    public int Insert(T obj, int position)
+    public int Insert(T obj, int position, IEqualityComparer<DrawningBulldozer?>? comparer = null)
     {
+        // TODO выброс ошибки, если такой объект есть в коллекции
+        if (comparer != null && _collection.Contains(obj))
+        {
+            throw new CollectionAlreadyExistsException();
+        }
         // проверка, что не превышено максимальное количество элементов
         if (Count >= _maxCount)
             throw new CollectionOverflowException(_maxCount);
@@ -83,4 +93,9 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
             yield return _collection[i];
         }
     }
+
+    public void CollectionSort(IComparer<T?> comparer)
+    {
+        _collection.Sort(comparer);
+    }
 }

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
 
+using ProjectExcavator.Drawnings;
 using ProjectExcavator.Exceptions;
 
 namespace ProjectExcavator.CollectionGenericObjects;
@@ -60,8 +61,13 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public int Insert(T obj)
+    public int Insert(T obj, IEqualityComparer<DrawningBulldozer?>? comparer = null)
     {
+        // TODO выброс ошибки, если такой объект есть в коллекции
+        if (comparer != null && _collection.Contains(obj))
+        {
+            throw new CollectionAlreadyExistsException();
+        }
         // вставка в свободное место набора
         int index = 0;
         while (index < _collection.Length)
@@ -76,8 +82,15 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         throw new CollectionOverflowException(Count);
     }
 
-    public int Insert(T obj, int position)
+    public int Insert(T obj, int position, IEqualityComparer<DrawningBulldozer?>? comparer = null)
     {
+
+        // TODO выброс ошибки, если такой объект есть в коллекции
+        if (comparer != null && _collection.Contains(obj))
+        {
+            throw new CollectionAlreadyExistsException();
+        }
+
         // проверка позиции
         if (position >= _collection.Length || position < 0)
             throw new PositionOutOfCollectionException(position);
@@ -138,4 +151,14 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             yield return _collection[i];
         }
     }
+
+    public void CollectionSort(IComparer<T?> comparer)
+    {
+        List<T?> lst = [.. _collection];
+        lst.Sort(comparer.Compare);
+        for (int i = 0; i < _collection.Length; ++i)
+        {
+            _collection[i] = lst[i];
+        }
+    }
 }

ProjectExcavator/ProjectExcavator/CollectionGenericObjects/StorageCollection.cs

@@ -13,12 +13,12 @@ public class StorageCollection<T>
     /// <summary>
     /// Словарь (хранилище) с коллекциями
     /// </summary>
-    readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
+    readonly Dictionary<CollectionInfo, ICollectionGenericObjects<T>> _storages;
 
     /// <summary>
     /// Возвращение списка названий 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>
     /// </summary>
     public StorageCollection()
     {
-        _storages = new Dictionary<string, ICollectionGenericObjects<T>>();
+        _storages = new Dictionary<CollectionInfo, ICollectionGenericObjects<T>>();
     }
 
     /// <summary>
@@ -51,18 +51,19 @@ public class StorageCollection<T>
     public void AddCollection(string name, CollectionType collectionType)
     {
         // проверка, что name не пустой и нет в словаре записи с таким ключом
-        if (string.IsNullOrEmpty(name) || _storages.ContainsKey(name))
+        if (string.IsNullOrEmpty(name) || _storages.ContainsKey(new CollectionInfo(name, collectionType, string.Empty)))
         {
+            MessageBox.Show("Коллекция с таким именем уже существует", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
             return;
         }
         // прописать логику для добавления
         if (collectionType == CollectionType.List)
         {
-            _storages.Add(name, new ListGenericObjects<T>());
+            _storages.Add(new CollectionInfo(name, collectionType, string.Empty), new ListGenericObjects<T>());
         } 
         if (collectionType == CollectionType.Massive)
         {
-            _storages.Add(name, new MassiveGenericObjects<T>());
+            _storages.Add(new CollectionInfo(name, collectionType, string.Empty), new MassiveGenericObjects<T>());
         }
     }
 
@@ -73,8 +74,8 @@ public class StorageCollection<T>
     public void DelCollection(string name)
     {
         // прописать логику для удаления коллекции
-        if (!_storages.ContainsKey(name)) return;
+        if (!_storages.ContainsKey(new CollectionInfo(name, CollectionType.None, string.Empty))) return;
-        _storages.Remove(name);
+        _storages.Remove(new CollectionInfo(name, CollectionType.None, string.Empty));
     }
 
     /// <summary>
@@ -87,9 +88,9 @@ public class StorageCollection<T>
         get
         {
             // продумать логику получения объекта
-            if (_storages.ContainsKey((string)name))
+            if (_storages.ContainsKey(new CollectionInfo(name, CollectionType.None, string.Empty)))
             {
-                return _storages[name];
+                return _storages[new CollectionInfo(name, CollectionType.None, string.Empty)];
             }
             return null;
         }
@@ -114,7 +115,7 @@ public class StorageCollection<T>
         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)
             {
                 writer.Write(Environment.NewLine);
                 // не сохраняем пустые коллекции
@@ -125,8 +126,6 @@ public class StorageCollection<T>
 
                 writer.Write(value.Key);
                 writer.Write(_separatorForKeyValue);
-                writer.Write(value.Value.GetCollectionType);
-                writer.Write(_separatorForKeyValue);
                 writer.Write(value.Value.MaxCount);
                 writer.Write(_separatorForKeyValue);
 
@@ -176,21 +175,18 @@ public class StorageCollection<T>
             while ((strs = reader.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]);
-                if (collection == null)
+                ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionInfo.CollectionType) ?? 
-                {
+                    throw new Exception("Не удалось определить тип коллекции:" + record[1]);
-                    throw new Exception("Не удалось создать коллекцию");
+                collection.MaxCount = Convert.ToInt32(record[1]);
-                }
 
-                collection.MaxCount = Convert.ToInt32(record[2]);
+                string[] set = record[2].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
-
-                string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
                 foreach (string elem in set)
                 {
                     if (elem?.CreateDrawningBulldozer() is T bulldozer)
@@ -209,7 +205,7 @@ public class StorageCollection<T>
                     }
                 }
 
-                _storages.Add(record[0], collection);
+                _storages.Add(collectionInfo, collection);
             }
         }
     }

ProjectExcavator/ProjectExcavator/Drawnings/DrawningExcavatorCompareByColor.cs

@@ -0,0 +1,37 @@
+using ProjectExcavator.Entities;
+
+namespace ProjectExcavator.Drawnings;
+
+/// <summary>
+/// Сравнение по цвету, скорости, весу
+/// </summary>
+public class DrawningExcavatorCompareByColor : IComparer<DrawningBulldozer?>
+{
+    public int Compare(DrawningBulldozer? x, DrawningBulldozer? y)
+    {
+        // TODO прописать логику сравнения по цветам, скорости, весу
+        if (x == null || x.EntityBulldozer == null)
+        {
+            return 1;
+        }
+
+        if (y == null || y.EntityBulldozer == null)
+        {
+            return -1;
+        }
+
+        if (x.EntityBulldozer.BodyColor != y.EntityBulldozer.BodyColor)
+        {
+            return x.EntityBulldozer.BodyColor.Name.CompareTo(y.EntityBulldozer.BodyColor.Name);
+        }
+
+        var speedCompare = x.EntityBulldozer.Speed.CompareTo(y.EntityBulldozer.Speed);
+
+        if (speedCompare != 0)
+        {
+            return speedCompare;
+        }
+
+        return x.EntityBulldozer.Weight.CompareTo(y.EntityBulldozer.Weight);
+    }
+}

ProjectExcavator/ProjectExcavator/Drawnings/DrawningExcavatorCompareByType.cs

@@ -0,0 +1,34 @@
+namespace ProjectExcavator.Drawnings;
+
+/// <summary>
+/// Сравнение по типу, скорости, весу
+/// </summary>
+public class DrawningExcavatorCompareByType : IComparer<DrawningBulldozer?>
+{
+    public int Compare(DrawningBulldozer? x, DrawningBulldozer? y)
+    {
+        if (x == null || x.EntityBulldozer == null)
+        {
+            return 1;
+        }
+
+        if (y == null || y.EntityBulldozer == null)
+        {
+            return -1;
+        }
+
+        if (x.GetType().Name != y.GetType().Name)
+        {
+            return x.GetType().Name.CompareTo(y.GetType().Name);
+        }
+
+        var speedCompare = x.EntityBulldozer.Speed.CompareTo(y.EntityBulldozer.Speed);
+
+        if (speedCompare != 0)
+        {
+            return speedCompare;
+        }
+
+        return x.EntityBulldozer.Weight.CompareTo(y.EntityBulldozer.Weight);
+    }
+}

ProjectExcavator/ProjectExcavator/Drawnings/DrawningExcavatorEqutables.cs

@@ -0,0 +1,72 @@
+using ProjectExcavator.Entities;
+using System.Diagnostics.CodeAnalysis;
+
+namespace ProjectExcavator.Drawnings;
+
+/// <summary>
+/// Реализация сравнения двух объектов класса-прорисовки
+/// </summary>
+public class DrawningExcavatorEqutables : IEqualityComparer<DrawningBulldozer?>
+{
+    public bool Equals(DrawningBulldozer? x, DrawningBulldozer? y)
+    {
+        if (x == null || x.EntityBulldozer == null)
+        {
+            return false;
+        }
+
+        if (y == null || y.EntityBulldozer == null)
+        {
+            return false;
+        }
+
+        if (x.GetType().Name != y.GetType().Name)
+        { 
+            return false;
+        }
+
+        if (x.EntityBulldozer.Speed !=  y.EntityBulldozer.Speed)
+        { 
+            return false; 
+        }
+
+        if (x.EntityBulldozer.Weight != y.EntityBulldozer.Weight)
+        {
+            return false;
+        }
+
+        if (x.EntityBulldozer.BodyColor != y.EntityBulldozer.BodyColor)
+        {
+            return false;
+        }
+
+        if (x is DrawningExcavator && y is DrawningExcavator)
+        {
+            // TODO доделать логику сравнения дополнительных параметров
+            EntityExcavator xExcavator = (EntityExcavator)x.EntityBulldozer;
+            EntityExcavator yExcavator = (EntityExcavator)y.EntityBulldozer;
+
+            if(xExcavator.AdditionalColor != yExcavator.AdditionalColor)
+            {
+                return false;
+            }
+            
+            if (xExcavator.Ladle != yExcavator.Ladle)
+            {
+                return false;
+            }
+
+            if (xExcavator.Prop != yExcavator.Prop)
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public int GetHashCode([DisallowNull] DrawningBulldozer obj)
+    {
+        return obj.GetHashCode();
+    }
+}

ProjectExcavator/ProjectExcavator/Exceptions/CollectionAlreadyExistsException.cs

@@ -0,0 +1,17 @@
+using ProjectExcavator.CollectionGenericObjects;
+using System.Runtime.Serialization;
+
+namespace ProjectExcavator.Exceptions;
+
+/// <summary>
+/// Класс, описывающий ошибку повторяющегося элемента в коллекции
+/// </summary>
+[Serializable]
+internal class CollectionAlreadyExistsException : ApplicationException
+{
+    public CollectionAlreadyExistsException(CollectionInfo collectionInfo) : base("В коллекции уже есть такой элемент: " + collectionInfo) { }
+    public CollectionAlreadyExistsException() : base() { }
+    public CollectionAlreadyExistsException(string message) : base(message) { }
+    public CollectionAlreadyExistsException(string message, Exception exception) : base(message, exception) { }
+    protected CollectionAlreadyExistsException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+}

ProjectExcavator/ProjectExcavator/Exceptions/PositionOutOfCollectionException.cs

@@ -2,6 +2,9 @@
 
 namespace ProjectExcavator.Exceptions;
 
+/// <summary>
+/// Класс, описывающий ошибку, что позиция вышла за границы коллекции
+/// </summary>
 [Serializable]
 internal class PositionOutOfCollectionException : ApplicationException
 {

ProjectExcavator/ProjectExcavator/FormBulldozerCollection.Designer.cs

@@ -52,6 +52,8 @@
             loadToolStripMenuItem = new ToolStripMenuItem();
             saveFileDialog = new SaveFileDialog();
             openFileDialog = new OpenFileDialog();
+            buttonSortByType = new Button();
+            buttonSortByColor = new Button();
             groupBoxTools.SuspendLayout();
             panelCompanyTools.SuspendLayout();
             panelStorage.SuspendLayout();
@@ -68,13 +70,15 @@
             groupBoxTools.Dock = DockStyle.Right;
             groupBoxTools.Location = new Point(774, 24);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(187, 576);
+            groupBoxTools.Size = new Size(187, 671);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
             // 
             // panelCompanyTools
             // 
+            panelCompanyTools.Controls.Add(buttonSortByType);
+            panelCompanyTools.Controls.Add(buttonSortByColor);
             panelCompanyTools.Controls.Add(buttonGoToCheck);
             panelCompanyTools.Controls.Add(buttonAddBulldozer);
             panelCompanyTools.Controls.Add(buttonRemoveCar);
@@ -84,7 +88,7 @@
             panelCompanyTools.Enabled = false;
             panelCompanyTools.Location = new Point(3, 328);
             panelCompanyTools.Name = "panelCompanyTools";
-            panelCompanyTools.Size = new Size(181, 245);
+            panelCompanyTools.Size = new Size(181, 340);
             panelCompanyTools.TabIndex = 9;
             // 
             // buttonGoToCheck
@@ -249,7 +253,7 @@
             pictureBox.Dock = DockStyle.Fill;
             pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(774, 576);
+            pictureBox.Size = new Size(774, 671);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
@@ -293,11 +297,33 @@
             // 
             openFileDialog.Filter = "txt file | *.txt";
             // 
+            // buttonSortByType
+            // 
+            buttonSortByType.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+            buttonSortByType.Location = new Point(12, 245);
+            buttonSortByType.Name = "buttonSortByType";
+            buttonSortByType.Size = new Size(160, 42);
+            buttonSortByType.TabIndex = 7;
+            buttonSortByType.Text = "Сортировка по типу";
+            buttonSortByType.UseVisualStyleBackColor = true;
+            buttonSortByType.Click += ButtonSortByType_Click;
+            // 
+            // buttonSortByColor
+            // 
+            buttonSortByColor.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+            buttonSortByColor.Location = new Point(12, 293);
+            buttonSortByColor.Name = "buttonSortByColor";
+            buttonSortByColor.Size = new Size(160, 42);
+            buttonSortByColor.TabIndex = 8;
+            buttonSortByColor.Text = "Сортировка по цвету";
+            buttonSortByColor.UseVisualStyleBackColor = true;
+            buttonSortByColor.Click += ButtonSortByColor_Click;
+            // 
             // FormBulldozerCollection
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(961, 600);
+            ClientSize = new Size(961, 695);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
             Controls.Add(menuStrip);
@@ -342,5 +368,7 @@
         private ToolStripMenuItem loadToolStripMenuItem;
         private SaveFileDialog saveFileDialog;
         private OpenFileDialog openFileDialog;
+        private Button buttonSortByType;
+        private Button buttonSortByColor;
     }
 }

ProjectExcavator/ProjectExcavator/FormBulldozerCollection.cs

@@ -235,7 +235,7 @@ public partial class FormBulldozerCollection : 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);
@@ -321,4 +321,35 @@ public partial class FormBulldozerCollection : Form
             }
         }
     }
+
+    /// <summary>
+    /// Сортировка по типу
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void ButtonSortByType_Click(object sender, EventArgs e)
+    {
+        CompareExcavators(new DrawningExcavatorCompareByType());
+    }
+
+    /// <summary>
+    /// Сортировка по цвету
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void ButtonSortByColor_Click(object sender, EventArgs e)
+    {
+        CompareExcavators(new DrawningExcavatorCompareByColor());
+    }
+
+    private void CompareExcavators(IComparer<DrawningBulldozer?> comparer)
+    {
+        if (_company == null)
+        {
+            return;
+        }
+
+        _company.Sort(comparer);
+        pictureBox.Image = _company.Show();
+    }
 }