lab4

AircraftCarrier/AircraftCarrier/FormWarshipCollection.Designer.cs

@@ -28,35 +28,92 @@
         /// </summary>
         private void InitializeComponent()
         {
-            groupBoxCollection = new GroupBox();
+            groupBoxCollectionTools = new GroupBox();
+            groupBoxCollectionSets = new GroupBox();
+            textBoxStorageName = new TextBox();
+            buttonDelObject = new Button();
+            buttonAddObject = new Button();
+            listBoxStorages = new ListBox();
             maskedTextBoxNumber = new MaskedTextBox();
             buttonRefreshCollection = new Button();
             buttonRemoveWarship = new Button();
             buttonAddWarship = new Button();
             pictureBoxCollection = new PictureBox();
-            groupBoxCollection.SuspendLayout();
+            groupBoxCollectionTools.SuspendLayout();
+            groupBoxCollectionSets.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBoxCollection).BeginInit();
             SuspendLayout();
             // 
-            // groupBoxCollection
+            // groupBoxCollectionTools
             // 
-            groupBoxCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Right;
-            groupBoxCollection.Controls.Add(maskedTextBoxNumber);
-            groupBoxCollection.Controls.Add(buttonRefreshCollection);
-            groupBoxCollection.Controls.Add(buttonRemoveWarship);
-            groupBoxCollection.Controls.Add(buttonAddWarship);
-            groupBoxCollection.Location = new Point(893, 3);
-            groupBoxCollection.Margin = new Padding(4, 5, 4, 5);
-            groupBoxCollection.Name = "groupBoxCollection";
-            groupBoxCollection.Padding = new Padding(4, 5, 4, 5);
-            groupBoxCollection.Size = new Size(247, 743);
-            groupBoxCollection.TabIndex = 0;
-            groupBoxCollection.TabStop = false;
-            groupBoxCollection.Text = "Tools";
+            groupBoxCollectionTools.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Right;
+            groupBoxCollectionTools.Controls.Add(groupBoxCollectionSets);
+            groupBoxCollectionTools.Controls.Add(maskedTextBoxNumber);
+            groupBoxCollectionTools.Controls.Add(buttonRefreshCollection);
+            groupBoxCollectionTools.Controls.Add(buttonRemoveWarship);
+            groupBoxCollectionTools.Controls.Add(buttonAddWarship);
+            groupBoxCollectionTools.Location = new Point(893, 3);
+            groupBoxCollectionTools.Margin = new Padding(4, 5, 4, 5);
+            groupBoxCollectionTools.Name = "groupBoxCollectionTools";
+            groupBoxCollectionTools.Padding = new Padding(4, 5, 4, 5);
+            groupBoxCollectionTools.Size = new Size(247, 743);
+            groupBoxCollectionTools.TabIndex = 0;
+            groupBoxCollectionTools.TabStop = false;
+            groupBoxCollectionTools.Text = "Tools";
+            // 
+            // groupBoxCollectionSets
+            // 
+            groupBoxCollectionSets.Controls.Add(textBoxStorageName);
+            groupBoxCollectionSets.Controls.Add(buttonDelObject);
+            groupBoxCollectionSets.Controls.Add(buttonAddObject);
+            groupBoxCollectionSets.Controls.Add(listBoxStorages);
+            groupBoxCollectionSets.Location = new Point(9, 32);
+            groupBoxCollectionSets.Name = "groupBoxCollectionSets";
+            groupBoxCollectionSets.Size = new Size(230, 323);
+            groupBoxCollectionSets.TabIndex = 5;
+            groupBoxCollectionSets.TabStop = false;
+            groupBoxCollectionSets.Text = "Sets";
+            // 
+            // textBoxStorageName
+            // 
+            textBoxStorageName.Location = new Point(6, 30);
+            textBoxStorageName.Name = "textBoxStorageName";
+            textBoxStorageName.Size = new Size(218, 31);
+            textBoxStorageName.TabIndex = 4;
+            // 
+            // buttonDelObject
+            // 
+            buttonDelObject.Location = new Point(6, 276);
+            buttonDelObject.Name = "buttonDelObject";
+            buttonDelObject.Size = new Size(218, 41);
+            buttonDelObject.TabIndex = 3;
+            buttonDelObject.Text = "Delete Set";
+            buttonDelObject.UseVisualStyleBackColor = true;
+            buttonDelObject.Click += ButtonDelObject_Click;
+            // 
+            // buttonAddObject
+            // 
+            buttonAddObject.Location = new Point(6, 67);
+            buttonAddObject.Name = "buttonAddObject";
+            buttonAddObject.Size = new Size(218, 43);
+            buttonAddObject.TabIndex = 2;
+            buttonAddObject.Text = "Add set";
+            buttonAddObject.UseVisualStyleBackColor = true;
+            buttonAddObject.Click += ButtonAddObject_Click;
+            // 
+            // listBoxStorages
+            // 
+            listBoxStorages.FormattingEnabled = true;
+            listBoxStorages.ItemHeight = 25;
+            listBoxStorages.Location = new Point(6, 116);
+            listBoxStorages.Name = "listBoxStorages";
+            listBoxStorages.Size = new Size(218, 154);
+            listBoxStorages.TabIndex = 1;
+            listBoxStorages.SelectedIndexChanged += ListBoxObjects_SelectedIndexChanged;
             // 
             // maskedTextBoxNumber
             // 
-            maskedTextBoxNumber.Location = new Point(56, 115);
+            maskedTextBoxNumber.Location = new Point(56, 468);
             maskedTextBoxNumber.Margin = new Padding(4, 5, 4, 5);
             maskedTextBoxNumber.Name = "maskedTextBoxNumber";
             maskedTextBoxNumber.Size = new Size(141, 31);
@@ -65,10 +122,10 @@
             // 
             // buttonRefreshCollection
             // 
-            buttonRefreshCollection.Location = new Point(9, 300);
+            buttonRefreshCollection.Location = new Point(9, 688);
             buttonRefreshCollection.Margin = new Padding(4, 5, 4, 5);
             buttonRefreshCollection.Name = "buttonRefreshCollection";
-            buttonRefreshCollection.Size = new Size(224, 45);
+            buttonRefreshCollection.Size = new Size(230, 45);
             buttonRefreshCollection.TabIndex = 3;
             buttonRefreshCollection.Text = "Refresh collection";
             buttonRefreshCollection.UseVisualStyleBackColor = true;
@@ -76,10 +133,10 @@
             // 
             // buttonRemoveWarship
             // 
-            buttonRemoveWarship.Location = new Point(9, 187);
+            buttonRemoveWarship.Location = new Point(9, 509);
             buttonRemoveWarship.Margin = new Padding(4, 5, 4, 5);
             buttonRemoveWarship.Name = "buttonRemoveWarship";
-            buttonRemoveWarship.Size = new Size(224, 45);
+            buttonRemoveWarship.Size = new Size(230, 45);
             buttonRemoveWarship.TabIndex = 2;
             buttonRemoveWarship.Text = "Remove warship";
             buttonRemoveWarship.UseVisualStyleBackColor = true;
@@ -87,7 +144,7 @@
             // 
             // buttonAddWarship
             // 
-            buttonAddWarship.Location = new Point(9, 37);
+            buttonAddWarship.Location = new Point(9, 413);
             buttonAddWarship.Margin = new Padding(4, 5, 4, 5);
             buttonAddWarship.Name = "buttonAddWarship";
             buttonAddWarship.Size = new Size(230, 45);
@@ -111,23 +168,30 @@
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(1143, 750);
             Controls.Add(pictureBoxCollection);
-            Controls.Add(groupBoxCollection);
+            Controls.Add(groupBoxCollectionTools);
             Margin = new Padding(4, 5, 4, 5);
             Name = "FormWarshipCollection";
             Text = "Warship Collection";
-            groupBoxCollection.ResumeLayout(false);
-            groupBoxCollection.PerformLayout();
+            groupBoxCollectionTools.ResumeLayout(false);
+            groupBoxCollectionTools.PerformLayout();
+            groupBoxCollectionSets.ResumeLayout(false);
+            groupBoxCollectionSets.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBoxCollection).EndInit();
             ResumeLayout(false);
         }
 
         #endregion
 
-        private GroupBox groupBoxCollection;
+        private GroupBox groupBoxCollectionTools;
         private Button buttonRefreshCollection;
         private Button buttonRemoveWarship;
         private Button buttonAddWarship;
         private PictureBox pictureBoxCollection;
         private MaskedTextBox maskedTextBoxNumber;
+        private GroupBox groupBoxCollectionSets;
+        private ListBox listBoxStorages;
+        private Button buttonDelObject;
+        private Button buttonAddObject;
+        private TextBox textBoxStorageName;
     }
 }

AircraftCarrier/AircraftCarrier/FormWarshipCollection.cs

@@ -11,36 +11,115 @@ namespace ProjectAircraftCarrier
         /// <summary>
         /// Набор объектов
         /// </summary>
-        private readonly WarshipsGenericCollection<DrawingWarship,
-            DrawingObjectWarship> _warships;
+        private readonly WarshipsGenericStorage _storage;
         /// <summary>
         /// Конструктор
         /// </summary>
         public FormWarshipCollection()
         {
             InitializeComponent();
-            _warships = new WarshipsGenericCollection<DrawingWarship, 
-                DrawingObjectWarship>(pictureBoxCollection.Width, 
+            _storage = new WarshipsGenericStorage(pictureBoxCollection.Width,
                 pictureBoxCollection.Height);
         }
         /// <summary>
+        /// Заполнение listBoxObjects
+        /// </summary>
+        private void ReloadObjects()
+        {
+            int index = listBoxStorages.SelectedIndex;
+            listBoxStorages.Items.Clear();
+            for (int i = 0; i < _storage.Keys.Count; i++)
+            {
+                listBoxStorages.Items.Add(_storage.Keys[i]);
+            }
+            if (listBoxStorages.Items.Count > 0 && (index == -1 || index
+            >= listBoxStorages.Items.Count))
+            {
+                listBoxStorages.SelectedIndex = 0;
+            }
+            else if (listBoxStorages.Items.Count > 0 && index > -1 &&
+            index < listBoxStorages.Items.Count)
+            {
+                listBoxStorages.SelectedIndex = index;
+            }
+        }
+        /// <summary>
+        /// Добавление набора в коллекцию
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ButtonAddObject_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxStorageName.Text))
+            {
+                MessageBox.Show("Not all data is filled in", "Error",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _storage.AddSet(textBoxStorageName.Text);
+            ReloadObjects();
+        }
+        /// <summary>
+        /// Выбор набора
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ListBoxObjects_SelectedIndexChanged(object sender,
+            EventArgs e)
+        {
+            pictureBoxCollection.Image = 
+                _storage[listBoxStorages.SelectedItem?.ToString() ?? 
+                string.Empty]?.ShowWarships();
+        }
+        /// <summary>
+        /// Удаление набора
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ButtonDelObject_Click(object sender, EventArgs e)
+        {
+            if (listBoxStorages.SelectedIndex == -1)
+            {
+                return;
+            }
+            if (MessageBox.Show($"Delete an object" +
+                $"{ listBoxStorages.SelectedItem}?",
+                "Deletion", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
+                == DialogResult.Yes)
+            { 
+                _storage.DelSet(listBoxStorages.SelectedItem.ToString()
+                ?? string.Empty);
+                ReloadObjects();
+            }
+        }
+        /// <summary>
         /// Добавление объекта в набор
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void ButtonAddWarship_Click(object sender, EventArgs e)
         {
+            if (listBoxStorages.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxStorages.SelectedItem.ToString() ??
+            string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
             FormAircraftCarrier form = new();
             if (form.ShowDialog() == DialogResult.OK)
             {
-                if (_warships + form.SelectedWarship != -1)
+                if (obj + form.SelectedWarship)
                 {
-                    MessageBox.Show("Объект добавлен");
-                    pictureBoxCollection.Image = _warships.ShowWarships();
+                    MessageBox.Show("Object added");
+                    pictureBoxCollection.Image = obj.ShowWarships();
                 }
                 else
                 {
-                    MessageBox.Show("Не удалось добавить объект");
+                    MessageBox.Show("Failed to add an object");
                 }
             }
         }
@@ -51,20 +130,31 @@ namespace ProjectAircraftCarrier
         /// <param name="e"></param>
         private void ButtonRemoveWarship_Click(object sender, EventArgs e)
         {
-            if (MessageBox.Show("Удалить объект?", "Удаление",
-            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+            if (listBoxStorages.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxStorages.SelectedItem.ToString() ??
+            string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
+            if (MessageBox.Show("Delete an object?", "Deletion",
+            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == 
+            DialogResult.No)
             {
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxNumber.Text);
-            if (_warships - pos)
+            if (obj - pos != null)
             {
-                MessageBox.Show("Объект удален");
-                pictureBoxCollection.Image = _warships.ShowWarships();
+                MessageBox.Show("Object deleted");
+                pictureBoxCollection.Image = obj.ShowWarships();
             }
             else
             {
-                MessageBox.Show("Не удалось удалить объект");
+                MessageBox.Show("Failed to delete an object");
             }
         }
         /// <summary>
@@ -74,7 +164,17 @@ namespace ProjectAircraftCarrier
         /// <param name="e"></param>
         private void ButtonRefreshCollection_Click(object sender, EventArgs e)
         {
-            pictureBoxCollection.Image = _warships.ShowWarships();
+            if (listBoxStorages.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxStorages.SelectedItem.ToString() ??
+            string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
+            pictureBoxCollection.Image = obj.ShowWarships();
         }
     }
 }

AircraftCarrier/AircraftCarrier/SetGeneric.cs

@@ -1,4 +1,6 @@
-namespace ProjectAircraftCarrier.Generics
+using System.Numerics;
+
+namespace ProjectAircraftCarrier.Generics
 {   
     /// <summary>
     /// Параметризованный набор объектов
@@ -10,29 +12,35 @@
         /// <summary>
         /// Массив объектов, которые храним
         /// </summary>
-        private readonly T?[] _places;
+        private readonly List<T?> _places;
         /// <summary>
         /// Количество объектов в массиве
         /// </summary>
-        public int Count => _places.Length;
+        public int Count => _places.Count;
+        /// <summary>
+        /// Максимальное количество объектов в списке
+        /// </summary>
+        private readonly int _maxCount;
         /// <summary>
         /// Конструктор
         /// </summary>
         /// <param name="count"></param>
         public SetGeneric(int count)
         {
-            _places = new T?[count];
+            _maxCount = count;
+            _places = new List<T?>(count);
         }
         /// <summary>
         /// Добавление объекта в набор
         /// </summary>
         /// <param name="warship">Добавляемый автомобиль</param>
         /// <returns></returns>
-        public int Insert(T warship)
+        public bool Insert(T warship)
         {
-            if (_places[Count - 1] != null)
-                return -1;
-            return Insert(warship, 0);
+            if (_places.Count == _maxCount)
+                return false;
+            Insert(warship, 0);
+            return true;
         }
         /// <summary>
         /// Добавление объекта в набор на конкретную позицию
@@ -40,27 +48,13 @@
         /// <param name="warship">Добавляемый автомобиль</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public int Insert(T warship, int position)
+        public bool Insert(T warship, int position)
         {
-            int nullIndex = -1, i;
-            if (position < 0 || position >= Count)
-                return -1;
-            for (i = position; i < Count; i++)
-            {
-                if (_places[i] == null)
-                {
-                    nullIndex = i;
-                    break;
-                }
-            }
-            if (nullIndex < 0)
-                return -1;
-            for (i = nullIndex; i > position; i--)
-            {
-                _places[i] = _places[i - 1];
-            }
-            _places[position] = warship;
-            return position;
+            if (!(position >= 0 && position <= Count && _places.Count < 
+                _maxCount))
+                return false;
+            _places.Insert(position, warship);
+            return true;
         }
         /// <summary>
         /// Удаление объекта из набора с конкретной позиции
@@ -69,8 +63,9 @@
         /// <returns></returns>
         public bool Remove(int position)
         {
-            if (position < 0 || position >= Count) return false;
-            _places[position] = null;
+            if (!(position >= 0 && position < Count))
+                return false;
+            _places.RemoveAt(position);
             return true;
         }
         /// <summary>
@@ -78,11 +73,33 @@
         /// </summary>
         /// <param name="position"></param>
         /// <returns></returns>
-        public T? Get(int position)
+        public T? this[int position]
         {
-            if (position < 0 || position >= Count)
+            get
+            {
+                if (!(position >= 0 && position <= Count))
                     return null;
                 return _places[position];
             }
+            set
+            {
+                if (!(position >= 0 && position <= Count))
+                    return;
+                _places.Insert(position, value);
+            }
+        }
+        /// <summary>
+        /// Проход по списку
+        /// </summary>
+        /// <returns></returns>
+        public IEnumerable<T?> GetWarships(int? maxWarships = null)
+        {
+            for (int i = 0; i < _places.Count; ++i)
+            {
+                yield return _places[i];
+                if (maxWarships.HasValue && i == maxWarships.Value)
+                    yield break;
+            }
+        }
     }
 }

AircraftCarrier/AircraftCarrier/WarshipsGenericCollection.cs

@@ -51,12 +51,11 @@ namespace ProjectAircraftCarrier.Generics
         /// <param name="collect"></param>
         /// <param name="obj"></param>
         /// <returns></returns>
-        public static int operator +(WarshipsGenericCollection<T, U> collect, T? obj)
+        public static bool operator +(WarshipsGenericCollection<T, U>?
+            collect, T? obj)
         {
-            if (obj == null)
-            {
-                return -1;
-            }
+            if (obj == null || collect == null)
+                return false;
             return collect._collection.Insert(obj);
         }
         /// <summary>
@@ -65,14 +64,15 @@ namespace ProjectAircraftCarrier.Generics
         /// <param name="collect"></param>
         /// <param name="pos"></param>
         /// <returns></returns>
-        public static bool operator -(WarshipsGenericCollection<T, U> collect, int pos)
+        public static T? operator -(WarshipsGenericCollection<T, U>
+            collect, int pos)
         {
-            T? obj = collect._collection.Get(pos);
+            T? obj = collect._collection[pos];
             if (obj != null)
             {
-                return collect._collection.Remove(pos);
+                collect._collection.Remove(pos);
             }
-            return false;
+            return obj;
         }
         /// <summary>
         /// Получение объекта IMoveableObject
@@ -81,7 +81,7 @@ namespace ProjectAircraftCarrier.Generics
         /// <returns></returns>
         public U? GetU(int pos)
         {
-            return (U?)_collection.Get(pos)?.GetMoveableObject;
+            return (U?)_collection[pos]?.GetMoveableObject;
         }
         /// <summary>
         /// Вывод всего набора объектов
@@ -104,15 +104,14 @@ namespace ProjectAircraftCarrier.Generics
             Pen pen = new(Color.Black, 3);
             for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
             {
-                for (int j = 0; j < _pictureHeight / _placeSizeHeight +
-                1; ++j)
+                for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
                 {
                     g.DrawLine(pen, i * _placeSizeWidth, j *
-                    _placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth / 2, j *
-                    _placeSizeHeight);
+                    _placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth
+                    / 2, j * _placeSizeHeight);
                 }
-                g.DrawLine(pen, i * _placeSizeWidth, 0, i *
-                _placeSizeWidth, _pictureHeight / _placeSizeHeight * _placeSizeHeight);
+                g.DrawLine(pen, i * _placeSizeWidth, 0, i * _placeSizeWidth,
+                    _pictureHeight / _placeSizeHeight * _placeSizeHeight);
             }
         }
         /// <summary>
@@ -121,15 +120,18 @@ namespace ProjectAircraftCarrier.Generics
         /// <param name="g"></param>
         private void DrawObjects(Graphics g)
         {
-            int inRow = _pictureWidth / _placeSizeWidth;
-            for (int i = 0; i < _collection.Count; i++)
+            int i = 0;
+            foreach (var warship in _collection.GetWarships())
             {
-                DrawingWarship warship = _collection.Get(i);
                 if (warship != null)
                 {
-                    warship.SetPosition(i % inRow * _placeSizeWidth + 3, (_collection.Count / inRow - 1 - i / inRow) * _placeSizeHeight + 5);
+                    int inRow = _pictureWidth / _placeSizeWidth;
+                    warship.SetPosition(i % inRow * _placeSizeWidth,
+                        _pictureHeight - _pictureHeight % _placeSizeHeight
+                        - (i / inRow + 1) * _placeSizeHeight);
                     warship.DrawTransport(g);
                 }
+                i++;
             }
         }
     }

AircraftCarrier/AircraftCarrier/WarshipsGenericStorage.cs

@@ -0,0 +1,84 @@
+using ProjectAircraftCarrier.DrawingObjects;
+using ProjectAircraftCarrier.MovementStrategy;
+namespace ProjectAircraftCarrier.Generics
+{
+    /// <summary>
+    /// Класс для хранения коллекции
+    /// </summary>
+    internal class WarshipsGenericStorage
+    {
+        /// <summary>
+        /// Словарь (хранилище)
+        /// </summary>
+        readonly Dictionary<string, WarshipsGenericCollection<DrawingWarship,
+            DrawingObjectWarship>> _warshipStorages;
+        /// <summary>
+        /// Возвращение списка названий наборов
+        /// </summary>
+        public List<string> Keys => _warshipStorages.Keys.ToList();
+        /// <summary>
+        /// Ширина окна отрисовки
+        /// </summary>
+        private readonly int _pictureWidth;
+        /// <summary>
+        /// Высота окна отрисовки
+        /// </summary>
+        private readonly int _pictureHeight;
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="pictureWidth"></param>
+        /// <param name="pictureHeight"></param>
+        public WarshipsGenericStorage(int pictureWidth, int pictureHeight)
+        {
+            _warshipStorages = new Dictionary<string,
+                WarshipsGenericCollection<DrawingWarship, 
+                DrawingObjectWarship>>();
+            _pictureWidth = pictureWidth;
+            _pictureHeight = pictureHeight;
+        }
+        /// <summary>
+        /// Добавление набора
+        /// </summary>
+        /// <param name="name">Название набора</param>
+        public void AddSet(string name)
+        {
+            if (!_warshipStorages.ContainsKey(name))
+            {
+                _warshipStorages.Add(name, new WarshipsGenericCollection
+                    <DrawingWarship, DrawingObjectWarship>(_pictureWidth,
+                    _pictureHeight));
+            }
+            else
+            {
+                MessageBox.Show("This set already exists");
+            }
+        }
+        /// <summary>
+        /// Удаление набора
+        /// </summary>
+        /// <param name="name">Название набора</param>
+        public void DelSet(string name)
+        {
+            if (!_warshipStorages.ContainsKey(name))
+                return;
+            _warshipStorages.Remove(name);
+        }
+        /// <summary>
+        /// Доступ к набору
+        /// </summary>
+        /// <param name="ind"></param>
+        /// <returns></returns>
+        public WarshipsGenericCollection<DrawingWarship, DrawingObjectWarship>
+            ?this[string ind]
+        {
+            get
+            {
+                if (_warshipStorages.ContainsKey(ind))
+                    return _warshipStorages[ind];
+                return null;
+            }
+        }
+    }
+}
+