collections

ProjectCruiser/CollectionGenericObj/AbstractCompany.cs

@@ -1,5 +1,5 @@
 using ProjectCruiser.DrawningSamples;
-namespace ProjectCruiser;
+namespace ProjectCruiser.CollectionGenericObj;
 
 /// Абстракция компании, хранящий коллекцию автомобилей
 /// </summary>
@@ -31,12 +31,12 @@ public abstract class AbstractCompany
 
     // Перегрузка оператора сложения для класса
     // [ ! ] insted of bool:
-    public static int operator +(AbstractCompany cmp,
+    public static int operator +(AbstractCompany company,
-        DrawningBase trasport) => (cmp._collection.Insert(trasport));
+        DrawningBase trasport) => company._collection.Insert(trasport);
 
     // Перегрузка оператора удаления для класса
-    public static DrawningBase operator -(AbstractCompany cmp,
+    public static DrawningBase operator -(AbstractCompany company,
-            int pos) => (cmp._collection.Remove(pos));
+            int pos) => company._collection.Remove(pos);
 
     // Получение случайного объекта из коллекции
     public DrawningBase? GetRandomObject()

ProjectCruiser/CollectionGenericObj/ArrayGenObj.cs

@@ -1,4 +1,4 @@
-namespace ProjectCruiser;
+namespace ProjectCruiser.CollectionGenericObj;
 
 public class ArrayGenObj<T> : ICollectionGenObj<T>
     where T : class
@@ -8,7 +8,7 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
     public int Count => _collection.Length;
     public int SetMaxCount
     {
-        set 
+        set
         {
             if (value > 0)
             {
@@ -64,7 +64,7 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
 
             for (int i = 0; i < Count; i++)
             {
-                if (_collection[i] == null 
+                if (_collection[i] == null
                     && min_diff > Math.Abs(index - i))
                 {
                     min_diff = Math.Abs(index - i);

ProjectCruiser/CollectionGenericObj/CollectionType.cs

@@ -0,0 +1,8 @@
+namespace ProjectCruiser.CollectionGenericObj;
+
+public enum CollectionType
+{
+    None = 0,
+    Array = 1,
+    List = 2
+}

ProjectCruiser/CollectionGenericObj/ICollectionGenObj.cs

@@ -1,4 +1,4 @@
-namespace ProjectCruiser;
+namespace ProjectCruiser.CollectionGenericObj;
 
 public interface ICollectionGenObj<T> where T : class
 {

ProjectCruiser/CollectionGenericObj/ListGenObj.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Reflection;
 
-namespace ProjectCruiser;
+namespace ProjectCruiser.CollectionGenericObj;
 
 // Параметризованный набор объектов
-public class ListGenericObjects<T> : ICollectionGenObj<T>
+public class ListGenObj<T> : ICollectionGenObj<T>
     where T : class
 {
     // Список объектов, которые храним
@@ -16,14 +16,14 @@ public class ListGenericObjects<T> : ICollectionGenObj<T>
 
     public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
 
-    public ListGenericObjects()
+    public ListGenObj()
     {
         _collection = new();
     }
 
     public T? GetItem(int position)
     {
-        if (position > _maxCount - 1 || position < 0)
+        if (position >= Count || position < 0)
         {
             return null;
         }
@@ -33,18 +33,20 @@ public class ListGenericObjects<T> : ICollectionGenObj<T>
 
     public int Insert(T obj)
     {
-        if (Count + 1 < _maxCount || obj == null)
+        if (Count >= _maxCount || obj == null)
         {
             return -1;
         }
+
         _collection.Add(obj);
         return Count;
     }
 
     public int Insert(T obj, int position)
     {
-        if (position >= _maxCount || position < 0 || 
+        if (position >= _maxCount || Count >= _maxCount ||
-            _collection[position] != null)
+            position < 0 || _collection[position] != null
+            || obj == null)
         {
             return -1;
         }
@@ -56,7 +58,7 @@ public class ListGenericObjects<T> : ICollectionGenObj<T>
     public T? Remove(int position)
     {
         if (position >= Count || position < 0)
-            // on the other positions items don't exist
+        // on the other positions items don't exist
         {
             return null;
         }

ProjectCruiser/CollectionGenericObj/ShipSharingService.cs

@@ -1,5 +1,5 @@
 using ProjectCruiser.DrawningSamples;
-namespace ProjectCruiser;
+namespace ProjectCruiser.CollectionGenericObj;
 
 public class ShipSharingService : AbstractCompany
 {

ProjectCruiser/CollectionGenericObj/StorageCollection.cs

@@ -0,0 +1,57 @@
+namespace ProjectCruiser.CollectionGenericObj;
+
+public class StorageCollection<T>
+where T : class
+{
+    // Словарь (хранилище) с коллекциями < name, type (class) >
+    readonly Dictionary<string, ICollectionGenObj<T>> _storages;
+
+    // Возвращение списка названий коллекций
+    public List<string> Keys => _storages.Keys.ToList();
+
+    public StorageCollection()
+    {
+        _storages = new Dictionary<string, ICollectionGenObj<T>>();
+    }
+
+    /// Добавление коллекции в хранилище
+    /// <param name="name">Название коллекции</param>
+    /// <param name="collectionType">тип коллекции</param>
+    public void AddCollection(string name, CollectionType collType)
+    {
+        if (name == null || _storages.ContainsKey(name)
+            || collType == CollectionType.None)
+        {
+            return;
+        }
+
+        switch (collType)
+        {
+            case CollectionType.List: _storages.Add(name, new ListGenObj<T>()); break;
+            // _storages[name] = new ListGenericObjects<T>(); break; [*]
+
+            case CollectionType.Array: _storages.Add(name, new ArrayGenObj<T>()); break;
+        }
+    }
+
+    /// Удаление коллекции ( по ключу-строке - её имени )
+    /// <param name="name">Название коллекции</param>
+    public void DelCollection(string name)
+    {
+        if (_storages.ContainsKey(name)) _storages.Remove(name);
+        return;
+    }
+
+    /// Доступ к коллекции ( по ключу-строке - её имени )
+    public ICollectionGenObj<T>? this[string name]
+    {
+        get => _storages.ContainsKey(name) ? _storages[name] : null;
+        /* ^^^
+        {
+            if (_storages.ContainsKey(name)) return _storages[name];
+            return null;
+        }
+        */
+    }
+}
+

ProjectCruiser/MoveStrategy/MoveToBorder.cs

@@ -1,10 +1,4 @@
-using System;
+namespace ProjectCruiser.MoveStrategy;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ProjectCruiser.MoveStrategy;
 
 public class MoveToBorder : AbstractStrategy
 {

ProjectCruiser/ServiceForm2.Designer.cs

@@ -31,26 +31,26 @@
             comboBoxArrList = new ComboBox();
             btnAddBase = new Button();
             groupBox = new GroupBox();
+            toolPanel = new Panel();
             btnUpdate = new Button();
             btnTest = new Button();
-            btnDelete = new Button();
             maskedTextBoxPosition = new MaskedTextBox();
+            btnDelete = new Button();
             btnAddCruiser = new Button();
+            btnCreateCompany = new Button();
             pictureBox = new PictureBox();
             companyPanel = new Panel();
-            label = new Label();
-            maskedTxtBoxCName = new MaskedTextBox();
-            rBtnArray = new RadioButton();
-            rBtnList = new RadioButton();
-            btnAddCollection = new Button();
-            listBox = new ListBox();
             btnDeleteCollection = new Button();
-            btnCreateCompany = new Button();
+            listBox = new ListBox();
-            toolPanel = new Panel();
+            btnAddCollection = new Button();
+            rBtnList = new RadioButton();
+            rBtnArray = new RadioButton();
+            maskedTxtBoxCName = new MaskedTextBox();
+            label = new Label();
             groupBox.SuspendLayout();
+            toolPanel.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
             companyPanel.SuspendLayout();
-            toolPanel.SuspendLayout();
             SuspendLayout();
             // 
             // comboBoxArrList
@@ -60,7 +60,7 @@
             comboBoxArrList.Items.AddRange(new object[] { "Storage" });
             comboBoxArrList.Location = new Point(17, 41);
             comboBoxArrList.Name = "comboBoxArrList";
-            comboBoxArrList.Size = new Size(243, 40);
+            comboBoxArrList.Size = new Size(241, 40);
             comboBoxArrList.TabIndex = 0;
             comboBoxArrList.SelectedIndexChanged += SelectorCompany_SelectedIndexChanged;
             // 
@@ -78,16 +78,31 @@
             // groupBox
             // 
             groupBox.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            groupBox.Controls.Add(companyPanel);
             groupBox.Controls.Add(toolPanel);
             groupBox.Controls.Add(btnCreateCompany);
             groupBox.Controls.Add(comboBoxArrList);
-            groupBox.Location = new Point(1402, 12);
+            groupBox.Location = new Point(1421, 10);
             groupBox.Name = "groupBox";
-            groupBox.Size = new Size(275, 986);
+            groupBox.Size = new Size(273, 986);
             groupBox.TabIndex = 2;
             groupBox.TabStop = false;
             groupBox.Text = "Tool panel";
             // 
+            // toolPanel
+            // 
+            toolPanel.Controls.Add(btnUpdate);
+            toolPanel.Controls.Add(btnTest);
+            toolPanel.Controls.Add(maskedTextBoxPosition);
+            toolPanel.Controls.Add(btnDelete);
+            toolPanel.Controls.Add(btnAddCruiser);
+            toolPanel.Controls.Add(btnAddBase);
+            toolPanel.Enabled = false;
+            toolPanel.Location = new Point(26, 593);
+            toolPanel.Name = "toolPanel";
+            toolPanel.Size = new Size(226, 377);
+            toolPanel.TabIndex = 13;
+            // 
             // btnUpdate
             // 
             btnUpdate.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
@@ -110,6 +125,16 @@
             btnTest.UseVisualStyleBackColor = true;
             btnTest.Click += btnChooseforTest_Click;
             // 
+            // maskedTextBoxPosition
+            // 
+            maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            maskedTextBoxPosition.Location = new Point(17, 119);
+            maskedTextBoxPosition.Mask = "00";
+            maskedTextBoxPosition.Name = "maskedTextBoxPosition";
+            maskedTextBoxPosition.Size = new Size(192, 39);
+            maskedTextBoxPosition.TabIndex = 3;
+            maskedTextBoxPosition.ValidatingType = typeof(int);
+            // 
             // btnDelete
             // 
             btnDelete.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
@@ -121,16 +146,6 @@
             btnDelete.UseVisualStyleBackColor = true;
             btnDelete.Click += btnRemoveCar_Click;
             // 
-            // maskedTextBoxPosition
-            // 
-            maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            maskedTextBoxPosition.Location = new Point(17, 119);
-            maskedTextBoxPosition.Mask = "00";
-            maskedTextBoxPosition.Name = "maskedTextBoxPosition";
-            maskedTextBoxPosition.Size = new Size(192, 39);
-            maskedTextBoxPosition.TabIndex = 3;
-            maskedTextBoxPosition.ValidatingType = typeof(int);
-            // 
             // btnAddCruiser
             // 
             btnAddCruiser.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
@@ -142,12 +157,23 @@
             btnAddCruiser.UseVisualStyleBackColor = true;
             btnAddCruiser.Click += btnAddAdvanced_Click;
             // 
+            // btnCreateCompany
+            // 
+            btnCreateCompany.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            btnCreateCompany.Location = new Point(17, 526);
+            btnCreateCompany.Name = "btnCreateCompany";
+            btnCreateCompany.Size = new Size(243, 61);
+            btnCreateCompany.TabIndex = 12;
+            btnCreateCompany.Text = "Create Company";
+            btnCreateCompany.UseVisualStyleBackColor = true;
+            btnCreateCompany.Click += btnCreateCompany_Click;
+            // 
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Left;
             pictureBox.Location = new Point(0, 0);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(1385, 1007);
+            pictureBox.Size = new Size(1415, 1007);
             pictureBox.TabIndex = 3;
             pictureBox.TabStop = false;
             // 
@@ -160,38 +186,40 @@
             companyPanel.Controls.Add(rBtnArray);
             companyPanel.Controls.Add(maskedTxtBoxCName);
             companyPanel.Controls.Add(label);
-            companyPanel.Location = new Point(1419, 101);
+            companyPanel.Location = new Point(17, 91);
-            companyPanel.Name = "panel1";
+            companyPanel.Name = "companyPanel";
             companyPanel.Size = new Size(243, 429);
             companyPanel.TabIndex = 7;
             // 
-            // label
+            // btnDeleteCollection
             // 
-            label.AutoSize = true;
+            btnDeleteCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            label.Location = new Point(29, 6);
+            btnDeleteCollection.Location = new Point(15, 371);
-            label.Name = "label";
+            btnDeleteCollection.Name = "btnDeleteCollection";
-            label.Size = new Size(188, 32);
+            btnDeleteCollection.Size = new Size(214, 43);
-            label.TabIndex = 0;
+            btnDeleteCollection.TabIndex = 11;
-            label.Text = "Collection name";
+            btnDeleteCollection.Text = "Remove Collection";
+            btnDeleteCollection.UseVisualStyleBackColor = true;
+            btnDeleteCollection.Click += btnCollectionDel_Click;
             // 
-            // maskedTxtBoxCName
+            // listBox
             // 
-            maskedTxtBoxCName.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            listBox.FormattingEnabled = true;
-            maskedTxtBoxCName.Location = new Point(16, 43);
+            listBox.Location = new Point(16, 199);
-            maskedTxtBoxCName.Name = "maskedTextBox1";
+            listBox.Name = "listBox";
-            maskedTxtBoxCName.Size = new Size(214, 39);
+            listBox.Size = new Size(214, 164);
-            maskedTxtBoxCName.TabIndex = 7;
+            listBox.TabIndex = 10;
             // 
-            // rBtnArray
+            // btnAddCollection
             // 
-            rBtnArray.AutoSize = true;
+            btnAddCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            rBtnArray.Location = new Point(16, 88);
+            btnAddCollection.Location = new Point(15, 130);
-            rBtnArray.Name = "rBtnArray";
+            btnAddCollection.Name = "btnAddCollection";
-            rBtnArray.Size = new Size(100, 36);
+            btnAddCollection.Size = new Size(214, 61);
-            rBtnArray.TabIndex = 8;
+            btnAddCollection.TabIndex = 7;
-            rBtnArray.TabStop = true;
+            btnAddCollection.Text = "Add Collection";
-            rBtnArray.Text = "Array";
+            btnAddCollection.UseVisualStyleBackColor = true;
-            rBtnArray.UseVisualStyleBackColor = true;
+            btnAddCollection.Click += btnCollectionAdd_Click;
             // 
             // rBtnList
             // 
@@ -204,73 +232,49 @@
             rBtnList.Text = "List";
             rBtnList.UseVisualStyleBackColor = true;
             // 
-            // btnAddCollection
+            // rBtnArray
             // 
-            btnAddCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            rBtnArray.AutoSize = true;
-            btnAddCollection.Location = new Point(15, 130);
+            rBtnArray.Location = new Point(16, 88);
-            btnAddCollection.Name = "btnAddCollection";
+            rBtnArray.Name = "rBtnArray";
-            btnAddCollection.Size = new Size(214, 61);
+            rBtnArray.Size = new Size(100, 36);
-            btnAddCollection.TabIndex = 7;
+            rBtnArray.TabIndex = 8;
-            btnAddCollection.Text = "Add Collection";
+            rBtnArray.TabStop = true;
-            btnAddCollection.UseVisualStyleBackColor = true;
+            rBtnArray.Text = "Array";
+            rBtnArray.UseVisualStyleBackColor = true;
             // 
-            // listBox1
+            // maskedTxtBoxCName
             // 
-            listBox.FormattingEnabled = true;
+            maskedTxtBoxCName.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            listBox.Location = new Point(16, 199);
+            maskedTxtBoxCName.Location = new Point(16, 43);
-            listBox.Name = "listBox1";
+            maskedTxtBoxCName.Name = "maskedTxtBoxCName";
-            listBox.Size = new Size(214, 164);
+            maskedTxtBoxCName.Size = new Size(214, 39);
-            listBox.TabIndex = 10;
+            maskedTxtBoxCName.TabIndex = 7;
             // 
-            // btnDeleteCollection
+            // label
             // 
-            btnDeleteCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            label.AutoSize = true;
-            btnDeleteCollection.Location = new Point(15, 371);
+            label.Location = new Point(29, 6);
-            btnDeleteCollection.Name = "btnDeleteCollection";
+            label.Name = "label";
-            btnDeleteCollection.Size = new Size(214, 43);
+            label.Size = new Size(188, 32);
-            btnDeleteCollection.TabIndex = 11;
+            label.TabIndex = 0;
-            btnDeleteCollection.Text = "Remove Collection";
+            label.Text = "Collection name";
-            btnDeleteCollection.UseVisualStyleBackColor = true;
-            // 
-            // btnCreateCompany
-            // 
-            btnCreateCompany.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnCreateCompany.Location = new Point(17, 526);
-            btnCreateCompany.Name = "btnCreateCompany";
-            btnCreateCompany.Size = new Size(243, 61);
-            btnCreateCompany.TabIndex = 12;
-            btnCreateCompany.Text = "Create Company";
-            btnCreateCompany.UseVisualStyleBackColor = true;
-            // 
-            // toolPanel
-            // 
-            toolPanel.Controls.Add(btnUpdate);
-            toolPanel.Controls.Add(btnTest);
-            toolPanel.Controls.Add(maskedTextBoxPosition);
-            toolPanel.Controls.Add(btnDelete);
-            toolPanel.Controls.Add(btnAddCruiser);
-            toolPanel.Controls.Add(btnAddBase);
-            toolPanel.Location = new Point(26, 596);
-            toolPanel.Name = "panel2";
-            toolPanel.Size = new Size(226, 377);
-            toolPanel.TabIndex = 13;
             // 
             // ServiceForm2
             // 
             AutoScaleDimensions = new SizeF(13F, 32F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(1689, 1007);
+            ClientSize = new Size(1700, 1007);
-            Controls.Add(companyPanel);
             Controls.Add(pictureBox);
             Controls.Add(groupBox);
             Name = "ServiceForm2";
             Text = "ServiceForm2";
             groupBox.ResumeLayout(false);
+            toolPanel.ResumeLayout(false);
+            toolPanel.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
             companyPanel.ResumeLayout(false);
             companyPanel.PerformLayout();
-            toolPanel.ResumeLayout(false);
-            toolPanel.PerformLayout();
             ResumeLayout(false);
         }
 

ProjectCruiser/ServiceForm2.cs

@@ -1,20 +1,28 @@
-using System.Windows.Forms;
+using System.Collections.Generic;
+using System.Windows.Forms;
+using System.Xml.Linq;
+using ProjectCruiser.CollectionGenericObj;
 using ProjectCruiser.DrawningSamples;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement;
 namespace ProjectCruiser;
 
 public partial class ServiceForm2 : Form
 {
     // Компания
-    private AbstractCompany? _company;
+    private AbstractCompany? _company = null;
+
+    private readonly StorageCollection<DrawningBase> _storageCollection;
+
     public ServiceForm2()
     {
         InitializeComponent();
-        _company = null;
+        _storageCollection = new();
     }
 
     // Выбор компании
     private void SelectorCompany_SelectedIndexChanged(object sender, EventArgs e)
     {
+        /*
         switch (comboBoxArrList.Text)
         {
             case "Storage":
@@ -22,6 +30,9 @@ public partial class ServiceForm2 : Form
                     new ArrayGenObj<DrawningBase>());
                 break;
         }
+        */
+
+        toolPanel.Enabled = false;
     }
 
     // Color picker (default : random)
@@ -62,7 +73,6 @@ public partial class ServiceForm2 : Form
                 break;
 
             case nameof(DrawningCruiser):
-                // (TODO) вызов диалогового окна для выбора цвета >>>
                 drawningCar = new DrawningCruiser(random.Next(100, 300),
                     random.Next(1000, 3000), pickColor(random), pickColor(random),
                     Convert.ToBoolean(random.Next(0, 2)));
@@ -136,5 +146,83 @@ public partial class ServiceForm2 : Form
         pictureBox.Image = _company.Show();
     }
 
-    // continue
+    private void btnCollectionAdd_Click(object sender, EventArgs e)
+    {
+        if (string.IsNullOrEmpty(maskedTxtBoxCName.Text) || (!rBtnList.Checked && !rBtnArray.Checked))
+        {
+            MessageBox.Show("Enter correct data or choose an option", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            return;
+        }
+
+        CollectionType collType = CollectionType.None;
+
+        if (rBtnArray.Checked)
+        {
+            collType = CollectionType.Array;
+        }
+        else if (rBtnList.Checked)
+        {
+            collType = CollectionType.List;
+        }
+
+        _storageCollection.AddCollection(maskedTxtBoxCName.Text, collType);
+        RefreshListBoxItems();
+    }
+
+    private void btnCollectionDel_Click(object sender, EventArgs e)
+    {
+        if (listBox.SelectedItem == null || listBox.SelectedIndex < 0)
+        {
+            MessageBox.Show("Collection was not choosed");
+            return;
+        }
+        if (MessageBox.Show("Are you sure?", "Removing", MessageBoxButtons.OK, MessageBoxIcon.Question) != DialogResult.OK)
+        {
+            return;
+        }
+        _storageCollection.DelCollection(listBox.SelectedItem.ToString());
+        RefreshListBoxItems();
+    }
+
+    private void RefreshListBoxItems()
+    {
+        listBox.Items.Clear();
+        for (int i = 0; i < _storageCollection.Keys?.Count; ++i)
+        {
+            string? collName = _storageCollection.Keys?[i];
+            if (!string.IsNullOrEmpty(collName))
+            {
+                listBox.Items.Add(collName);
+            }
+        }
+    }
+
+    private void btnCreateCompany_Click(object sender, EventArgs e)
+    {
+        if (listBox.SelectedIndex < 0 || listBox.SelectedItem == null)
+        {
+            MessageBox.Show("Collection wasn't choosed");
+            return;
+        }
+
+        ICollectionGenObj<DrawningBase>? collection =
+        _storageCollection[listBox.SelectedItem.ToString() ?? string.Empty];
+
+        if (collection == null)
+        {
+            MessageBox.Show("Collection wasn't initialized");
+            return;
+        }
+
+        switch (comboBoxArrList.Text)
+        {
+            case "Storage":
+                _company = new ShipSharingService(pictureBox.Width,
+                pictureBox.Height, collection);
+                break;
+        }
+
+        toolPanel.Enabled = true; // block of buttons at the right bottom
+        RefreshListBoxItems();
+    }
 }