Лабораторная работа №6

ProjectContainerShip/ProjectContainerShip/CollectionGenericObjects/AbstractCompany.cs

@@ -47,7 +47,7 @@ namespace ProjectContainerShip.CollectionGenericObjects;
             _pictureWidth = pictureWidth;
             _pictureHeight = pictureHeight;
             _collection = collection;
-            _collection.SetMaxCount = GetMaxCount;
+            _collection.MaxCount = GetMaxCount;
         }
 
         /// <summary>

ProjectContainerShip/ProjectContainerShip/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -11,7 +11,7 @@
         /// <summary>
         /// Установка максимального количества элементов
         /// </summary>
-        int SetMaxCount { set; }
+        int MaxCount { get; set; }
 
         /// <summary>
         /// Добавление объекта в коллекцию
@@ -41,12 +41,16 @@
         /// <param name="position">Позиция</param>
         /// <returns>Объект</returns>
         T? Get(int position);
-    }
-}
 
-namespace ProjectContainerShip.CollectionGenericObjects
-{
-    internal interface ICollectionGenericObjects
-    {
+        /// <summary>
+        /// Получение типа коллекции
+        /// </summary>
+        CollectionType GetColectionType {  get; }
+
+        /// <summary>
+        /// Получение объектов коллекции по одному
+        /// </summary>
+        /// <returns>Поэлементный вывод элементов коллекции</returns>
+        IEnumerable<T?> GetItems();
     }
 }

ProjectContainerShip/ProjectContainerShip/CollectionGenericObjects/ListGenericObjects.cs

@@ -12,7 +12,24 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
     /// </summary>
     private int _maxCount;
     public int Count => _collection.Count;
-    public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
+    public int MaxCount 
+    {
+        get
+        {
+            return Count;
+        }
+
+        set 
+        { 
+            if (value > 0) 
+            { 
+                _maxCount = value; 
+            } 
+        } 
+    }
+
+    public CollectionType GetColectionType => CollectionType.Massive;
+
     /// <summary>
     /// Конструктор
     /// </summary>
@@ -53,4 +70,12 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         _collection.RemoveAt(position);
         return obj;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

ProjectContainerShip/ProjectContainerShip/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace ProjectContainerShip.CollectionGenericObjects
+
+namespace ProjectContainerShip.CollectionGenericObjects
 {
     public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         where T : class
@@ -9,8 +10,13 @@
         private T?[] _collection;
         public int Count => _collection.Length;
 
-        public int SetMaxCount
+        public int MaxCount
         {
+            get
+            {
+                return _collection.Length;
+            }
+
             set
             {
                 if (value > 0)
@@ -27,6 +33,8 @@
             }
         }
 
+        public CollectionType GetColectionType => CollectionType.Massive;
+
         /// <summary>
         /// Конструктор
         /// </summary>
@@ -104,5 +112,13 @@
             _collection[position] = null;
             return obj;
         }
+
+        public IEnumerable<T?> GetItems()
+        {
+            for(int i = 0; i < _collection.Length; ++i)
+            {
+                yield return _collection[i];
+            }
+        }
     }
 }

ProjectContainerShip/ProjectContainerShip/CollectionGenericObjects/StorageCollection.cs

@@ -1,11 +1,14 @@
-namespace ProjectContainerShip.CollectionGenericObjects;
+using ProjectContainerShip.Drawings;
+using System.Text;
+
+namespace ProjectContainerShip.CollectionGenericObjects;
 
 /// <summary>
 /// Класс-хранилище коллекций
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-where T : class
+where T : DrawningShip
 {
     /// <summary>
     /// Словарь (хранилище) с коллекциями
@@ -17,6 +20,21 @@ where T : class
     /// </summary>
     public List<string> Keys => _storages.Keys.ToList();
 
+    /// <summary>
+    /// Ключевое слово, с которого должен начинаться файл
+    /// </summary>
+    private readonly string _collectionKey = "CollectionStorage";
+
+    /// <summary>
+    /// Разделитель для записей коллекции данных в файл
+    /// </summary>
+    private readonly string _separatorForKeyValue = "|";
+
+    /// <summary>
+    /// Разделитель для записей коллекции данных в файл
+    /// </summary>
+    private readonly string _separatorItems = ";";
+
     /// <summary>
     /// Конструктор
     /// </summary>
@@ -73,6 +91,121 @@ where T : class
             return null;
         }
     }
+
+    /// <summary>
+    /// Сохранение информации по кораблям в хранилище в файл
+    /// </summary>
+    /// <param name="filename">Путь и имя файла</param>
+    /// <returns>true - сохранение прошло успешно, false - ошибка при сохранении данных</returns>
+    public bool SaveData(string filename)
+    {
+        if (_storages.Count == 0)
+        {
+            return false;
+        }
+        if (File.Exists(filename))
+        {
+            File.Delete(filename);
+        }
+        using (StreamWriter writer = new StreamWriter(filename))
+        {
+            writer.Write(_collectionKey);
+            foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+            {
+                StringBuilder sb = new();
+                sb.Append(Environment.NewLine);
+                // не сохраняем пустые коллекции
+                if (value.Value.Count == 0)
+                {
+                    continue;
+                }
+                sb.Append(value.Key);
+                sb.Append(_separatorForKeyValue);
+                sb.Append(value.Value.GetColectionType);
+                sb.Append(_separatorForKeyValue);
+                sb.Append(value.Value.MaxCount);
+                sb.Append(_separatorForKeyValue);
+                foreach (T? item in value.Value.GetItems())
+                {
+                    string data = item?.GetDataForSave() ?? string.Empty;
+                    if (string.IsNullOrEmpty(data))
+                    {
+                        continue;
+                    }
+                    sb.Append(data);
+                    sb.Append(_separatorItems);
+                }
+                writer.Write(sb);
+            }
+
+        }
+
+        return true;
+    }
+    /// <summary>
+    /// Загрузка информации по кораблям в хранилище из файла
+    /// </summary>
+    /// <param name="filename">Путь и имя файла</param>
+    /// <returns>true - загрузка прошла успешно, false - ошибка при загрузке данных</returns>
+    public bool LoadData(string filename)
+    {
+        if (!File.Exists(filename)) return false;
+
+        string bufferTextFromFile = "";
+        using (FileStream fs = new(filename, FileMode.Open))
+        {
+            byte[] b = new byte[fs.Length];
+            UTF8Encoding temp = new(true);
+            while (fs.Read(b, 0, b.Length) > 0) bufferTextFromFile += temp.GetString(b);
+        }
+
+        string[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+
+        if (strs == null || strs.Length == 0) return false;
+        if (!strs[0].Equals(_collectionKey))
+            // Если нет такой записи, то это не те данные
+            return false;
+
+        _storages.Clear();
+        foreach (string data in strs)
+        {
+            string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+            if (record.Length != 4) continue;
+
+            CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
+            ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
+
+            if (collection == null) return false;
+
+            collection.MaxCount = Convert.ToInt32(record[2]);
+
+            string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
+            foreach (string elem in set)
+            {
+                if (elem?.CreateDrawningShip() is T ship)
+                {
+                    if (collection.Insert(ship) == -1) return false;
+                }
+            }
+            _storages.Add(record[0], collection);
+        }
+        return true;
+    }
+    /// <summary>
+    /// Создание коллекции по типу
+    /// </summary>
+    /// <param name="collectionType"></param>
+    /// <returns></returns>
+    private static ICollectionGenericObjects<T>? CreateCollection(CollectionType collectionType)
+    {
+        return collectionType switch
+        {
+            CollectionType.Massive => new MassiveGenericObjects<T>(),
+            CollectionType.List => new ListGenericObjects<T>(),
+            _ => null,
+        };
+    }
+
 }
 
 

ProjectContainerShip/ProjectContainerShip/Drawings/DrawningContainerShip.cs

@@ -21,6 +21,11 @@ public class DrawningContainerShip : DrawningShip
         EntityShip = new EntityContainerShip(speed, weight, bodycolor, additionalcolor, crane, container);
     }
 
+    public DrawningContainerShip(EntityContainerShip ship) : base(120, 40)
+    {
+        EntityShip = new EntityContainerShip(ship.Speed, ship.Weight, ship.BodyColor, ship.AdditionalColor, ship.Crane, ship.Container);
+    }
+
     public override void DrawTransport(Graphics g)
     {
         if (EntityShip == null || EntityShip is not EntityContainerShip containerShip || !_startPosX.HasValue || !_startPosY.HasValue)

ProjectContainerShip/ProjectContainerShip/Drawings/DrawningShip.cs

@@ -97,6 +97,11 @@ public class DrawningShip
         _drawningContainerShipHeight = drawningContainerShipHeight;
     }
 
+    public DrawningShip(EntityShip ship) : this()
+    {
+        EntityShip = new EntityShip(ship.Speed, ship.Weight, ship.BodyColor);
+    }
+
     /// <summary>
 	/// Установка границ поля
 	/// </summary>

ProjectContainerShip/ProjectContainerShip/Drawings/ExtentionDrawningShip.cs

@@ -0,0 +1,45 @@
+using ProjectContainerShip.Entities;
+
+namespace ProjectContainerShip.Drawings;
+
+public static class ExtentionDrawningShip
+{
+    /// <summary>
+    /// Разделитель для записи информации по объекту в файл
+    /// </summary>
+    private static readonly string _separatorForObject = ":";
+    /// <summary>
+    /// Создание объекта из строки
+    /// </summary>
+    /// <param name="info">Строка с данными для создания объекта</param>
+    /// <returns>Объект</returns>
+    public static DrawningShip? CreateDrawningShip(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+        EntityShip? ship = EntityContainerShip.CreateEntityContainerShip(strs);
+        if (ship != null)
+        {
+            return new DrawningContainerShip((EntityContainerShip)ship);
+        }
+        ship = EntityShip.CreateEntityShip(strs);
+        if (ship != null)
+        {
+            return new DrawningShip(ship);
+        }
+        return null;
+    }
+    /// <summary>
+    /// Получение данных для сохранения в файл
+    /// </summary>
+    /// <param name="drawningCar">Сохраняемый объект</param>
+    /// <returns>Строка с данными по объекту</returns>
+    public static string GetDataForSave(this DrawningShip drawningShip)
+    {
+        string[]? array = drawningShip?.EntityShip?.GetStringRepresentation();
+        if (array == null)
+        {
+            return string.Empty;
+        }
+        return string.Join(_separatorForObject, array);
+    }
+}

ProjectContainerShip/ProjectContainerShip/Entities/EntityContainerShip.cs

@@ -1,4 +1,6 @@
-namespace ProjectContainerShip.Entities;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement;
+
+namespace ProjectContainerShip.Entities;
 
 /// <summary>
 /// Класс-сущность Контейнеровоз
@@ -38,4 +40,27 @@ public class EntityContainerShip : EntityShip
         Container = container;
     }
 
+    /// <summary>
+    /// Получение строк со значениями свойств продвинутого объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public override string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityContainerShip), Speed.ToString(), Weight.ToString(), BodyColor.Name, AdditionalColor.Name,
+                        Crane.ToString(), Container.ToString()};
+    }
+    /// <summary>
+    /// Создание продвинутого объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityContainerShip? CreateEntityContainerShip(string[] strs)
+    {
+        if (strs.Length != 7 || strs[0] != nameof(EntityContainerShip))
+        {
+            return null;
+        }
+        return new EntityContainerShip(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]),
+                                    Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]));
+    }
 }

ProjectContainerShip/ProjectContainerShip/Entities/EntityShip.cs

@@ -39,4 +39,27 @@ public class EntityShip
         Weight = weight;
         BodyColor = bodyColor;
     }
+
+    /// <summary>
+    /// Получение строк со значениями свойств объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityShip), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityShip? CreateEntityShip(string[] strs)
+    {
+        if (strs.Length != 4 || strs[0] != nameof(EntityShip))
+        {
+            return null;
+        }
+        return new EntityShip(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+    }
 }

ProjectContainerShip/ProjectContainerShip/FormShipCollection.Designer.cs

@@ -46,10 +46,17 @@
             labelCollectionName = new Label();
             comboBoxSelectorCompany = new ComboBox();
             pictureBox = new PictureBox();
+            menuStrip = new MenuStrip();
+            файлToolStripMenuItem = new ToolStripMenuItem();
+            saveToolStripMenuItem = new ToolStripMenuItem();
+            loadToolStripMenuItem = new ToolStripMenuItem();
+            saveFileDialog = new SaveFileDialog();
+            openFileDialog = new OpenFileDialog();
             groupBoxTools.SuspendLayout();
             panelCompanyTools.SuspendLayout();
             panelStorage.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
+            menuStrip.SuspendLayout();
             SuspendLayout();
             // 
             // groupBoxTools
@@ -60,9 +67,9 @@
             groupBoxTools.Controls.Add(comboBoxSelectorCompany);
             groupBoxTools.Dock = DockStyle.Right;
             groupBoxTools.ForeColor = Color.Black;
-            groupBoxTools.Location = new Point(1601, 0);
+            groupBoxTools.Location = new Point(1601, 40);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(388, 1112);
+            groupBoxTools.Size = new Size(388, 1072);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
@@ -78,13 +85,13 @@
             panelCompanyTools.Enabled = false;
             panelCompanyTools.Location = new Point(3, 598);
             panelCompanyTools.Name = "panelCompanyTools";
-            panelCompanyTools.Size = new Size(382, 511);
+            panelCompanyTools.Size = new Size(382, 471);
             panelCompanyTools.TabIndex = 10;
             // 
             // buttonAddShip
             // 
             buttonAddShip.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonAddShip.Location = new Point(3, 35);
+            buttonAddShip.Location = new Point(3, 70);
             buttonAddShip.Name = "buttonAddShip";
             buttonAddShip.Size = new Size(370, 77);
             buttonAddShip.TabIndex = 1;
@@ -240,12 +247,53 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 40);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(1601, 1112);
+            pictureBox.Size = new Size(1601, 1072);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
+            // menuStrip
+            // 
+            menuStrip.ImageScalingSize = new Size(32, 32);
+            menuStrip.Items.AddRange(new ToolStripItem[] { файлToolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(1989, 40);
+            menuStrip.TabIndex = 2;
+            menuStrip.Text = "menuStrip1";
+            // 
+            // файлToolStripMenuItem
+            // 
+            файлToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            файлToolStripMenuItem.Name = "файлToolStripMenuItem";
+            файлToolStripMenuItem.Size = new Size(90, 36);
+            файлToolStripMenuItem.Text = "Файл";
+            // 
+            // saveToolStripMenuItem
+            // 
+            saveToolStripMenuItem.Name = "saveToolStripMenuItem";
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.Size = new Size(361, 44);
+            saveToolStripMenuItem.Text = "Сохранение";
+            saveToolStripMenuItem.Click += SaveToolStripMenuItem_Click;
+            // 
+            // loadToolStripMenuItem
+            // 
+            loadToolStripMenuItem.Name = "loadToolStripMenuItem";
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.Size = new Size(361, 44);
+            loadToolStripMenuItem.Text = "Загрузка";
+            loadToolStripMenuItem.Click += LoadToolStripMenuItem_Click;
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file | *.txt";
+            // 
+            // openFileDialog
+            // 
+            openFileDialog.Filter = "txt file | *.txt";
+            // 
             // FormShipCollection
             // 
             AutoScaleDimensions = new SizeF(13F, 32F);
@@ -253,6 +301,8 @@
             ClientSize = new Size(1989, 1112);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "FormShipCollection";
             Text = "Коллекция кораблей";
             groupBoxTools.ResumeLayout(false);
@@ -261,7 +311,10 @@
             panelStorage.ResumeLayout(false);
             panelStorage.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -284,5 +337,11 @@
         private Button buttonCreateCompany;
         private RadioButton radioButtonMassive;
         private Panel panelCompanyTools;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem файлToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog openFileDialog;
     }
 }

ProjectContainerShip/ProjectContainerShip/FormShipCollection.cs

@@ -245,4 +245,50 @@ public partial class FormShipCollection : Form
         panelCompanyTools.Enabled = true;
         RerfreshListBoxItems();
     }
+
+    /// <summary>
+    /// Обработка нажатия "Сохранение"
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void SaveToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (saveFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.SaveData(saveFileDialog.FileName))
+            {
+                MessageBox.Show("Сохранение прошло успешно",
+                "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            }
+            else
+            {
+                MessageBox.Show("Не сохранилось", "Результат",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+    }
+
+    /// <summary>
+    /// Обработка нажатия "Загрузка"
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void LoadToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (openFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.LoadData(openFileDialog.FileName))
+            {
+                MessageBox.Show("Загрузка прошла успешно",
+                "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                RerfreshListBoxItems();
+            }
+            else
+            {
+                MessageBox.Show("Не сохранилось", "Результат",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
 }

ProjectContainerShip/ProjectContainerShip/FormShipCollection.resx

@@ -117,4 +117,16 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="menuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="saveFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>204, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>447, 17</value>
+  </metadata>
+  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>25</value>
+  </metadata>
 </root>