Лабораторная работа №6

ProjectAircraftCarrier_/ProjectAircraftCarrier_/CollectionGenericObjects/AbstractCompany.cs

@@ -48,7 +48,7 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
 
     /// <summary>

ProjectAircraftCarrier_/ProjectAircraftCarrier_/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -15,7 +15,8 @@ public interface ICollectionGenericObjects<T>
     /// <summary>
     /// Установка максимального количества элементов
     /// </summary>
-    int SetMaxCount { set; }
+    int MaxCount { get; set; }
+
 
     /// <summary>
     /// Добавление объекта в коллекцию
@@ -45,5 +46,16 @@ public interface ICollectionGenericObjects<T>
     /// <param name="position">Позиция</param>
     /// <returns>Объект</returns>
     T? Get(int position);
+
+    /// <summary>
+    /// Получение типа коллекции
+    /// </summary>
+    CollectionType GetCollectionType { get; }
+
+    /// <summary>
+    /// Получение объектов коллекции по одному
+    /// </summary>
+    /// <returns>Поэлементый вывод элементов коллекции</returns>
+    IEnumerable<T?> GetItems();
 }
 

ProjectAircraftCarrier_/ProjectAircraftCarrier_/CollectionGenericObjects/ListGenericObjects.cs

@@ -6,7 +6,7 @@ namespace ProjectAircraftCarrier_.CollectionGenericObjects;
 /// Параметризованный набор объектов
 /// </summary>
 /// <typeparam name="T">Параметр: ограничение - ссылочный тип</typeparam>
-public class ListGenericObject<T> : ICollectionGenericObjects<T>
+public class ListGenericObjects<T> : ICollectionGenericObjects<T>
     where T : class
 {
     /// <summary>
@@ -21,12 +21,14 @@ public class ListGenericObject<T> : ICollectionGenericObjects<T>
 
     public int Count => _collection.Count;
 
-    public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
+    public int MaxCount { get { return _collection.Count; } set { if (value > 0) { _maxCount = value; } } }
+
+    public CollectionType GetCollectionType => CollectionType.List;
 
     /// <summary>
     /// Конструктор
     /// </summary>
-    public ListGenericObject()
+    public ListGenericObjects()
     {
         _collection = new();
     }
@@ -75,4 +77,12 @@ public class ListGenericObject<T> : ICollectionGenericObjects<T>
 
         return obj;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

ProjectAircraftCarrier_/ProjectAircraftCarrier_/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace ProjectAircraftCarrier_.CollectionGenericObjects;
+
+namespace ProjectAircraftCarrier_.CollectionGenericObjects;
 
 /// <summary>
 /// Параметризованный набор объектов
@@ -14,8 +15,12 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
 
     public int Count => _collection.Length;
 
-    public int SetMaxCount
+    public int MaxCount
     {
+        get
+        {
+            return _collection.Length;
+        }
         set
         {
             if (value > 0)
@@ -32,6 +37,8 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         }
     }
 
+    public CollectionType GetCollectionType => CollectionType.Massive;
+
     /// <summary>
     /// Конструктор
     /// </summary>
@@ -107,5 +114,13 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         _collection[position] = null;
         return obj;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Length; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }
 

ProjectAircraftCarrier_/ProjectAircraftCarrier_/CollectionGenericObjects/StorageCollection.cs

@@ -1,6 +1,5 @@
 using ProjectAircraftCarrier_.Drawnings;
-using ProjectAircraftCarrier_.CollectionGenericObjects;
+using System.Text;
-using System.Xml.Linq;
 
 namespace ProjectAircraftCarrier_.CollectionGenericObjects;
 
@@ -9,7 +8,7 @@ namespace ProjectAircraftCarrier_.CollectionGenericObjects;
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-    where T : class
+    where T : DrawningWarship
 {
     /// <summary>
     /// Словарь (хранилище) с коллекциями
@@ -21,6 +20,19 @@ public class StorageCollection<T>
     /// </summary>
     public List<string> Keys => _storages.Keys.ToList();
 
+    /// <summary>
+    /// Ключевое слово, с которого должен начинаться файл
+    /// </summary>
+    private readonly string _collectionKey = "CollectionsStorage";
+    /// <summary>
+    /// Разделитель для записи ключа и значения элемента словаря
+    /// </summary>
+    private readonly string _separatorForKeyValue = "|";
+    /// <summary>
+    /// Разделитель для записей коллекции данных в файл
+    /// </summary>
+    private readonly string _separatorItems = ";";
+
     /// <summary>
     /// Конструктор
     /// </summary>
@@ -48,7 +60,7 @@ public class StorageCollection<T>
 
         if (collectionType == CollectionType.List)
         {
-            _storages.Add(name, new ListGenericObject<T>());
+            _storages.Add(name, new ListGenericObjects<T>());
         }
     }
 
@@ -83,4 +95,143 @@ public class StorageCollection<T>
             return null;
         }
     }
+
+    /// <summary>
+    /// Сохранение информации по автомобилям 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);
+        }
+
+        StringBuilder sb = new();
+
+        sb.Append(_collectionKey);
+        foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+        {
+            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.GetCollectionType);
+            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);
+            }
+        }
+        using FileStream fs = new(filename, FileMode.Create);
+        byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
+        fs.Write(info, 0, info.Length);
+        return true;
+    }
+
+    /// <summary>
+    /// Загрузка информации по автомобилям 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?.CreateDrawningWarship() is T warship)
+                {
+                    if (collection.Insert(warship) == -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,
+        };
+    }
 }

ProjectAircraftCarrier_/ProjectAircraftCarrier_/Drawnings/ExtentionDrawningWarship.cs

@@ -1,7 +1,7 @@
 using ProjectAircraftCarrier_.Drawnings;
 using ProjectAircraftCarrier_.Entities;
 
-namespace ProjectAircraftwarshiprier_.Drawnings;
+namespace ProjectAircraftCarrier_.Drawnings;
 
 /// <summary>
 /// Расширение для класса EntityWarship

ProjectAircraftCarrier_/ProjectAircraftCarrier_/FormWarshipCollection.Designer.cs

@@ -30,6 +30,7 @@
         {
             groupBoxTools = new GroupBox();
             panelCompanyTools = new Panel();
+            buttonAddWarship = new Button();
             maskedTextBoxPosition = new MaskedTextBox();
             buttonRefresh = new Button();
             buttonRemoveWarship = new Button();
@@ -45,11 +46,17 @@
             labelCollectionName = new Label();
             comboBoxSelectorCompany = new ComboBox();
             pictureBox = new PictureBox();
-            buttonAddWarship = new Button();
+            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
@@ -59,9 +66,9 @@
             groupBoxTools.Controls.Add(panelStorage);
             groupBoxTools.Controls.Add(comboBoxSelectorCompany);
             groupBoxTools.Dock = DockStyle.Right;
-            groupBoxTools.Location = new Point(1176, 0);
+            groupBoxTools.Location = new Point(1176, 38);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(326, 961);
+            groupBoxTools.Size = new Size(326, 923);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
@@ -75,14 +82,25 @@
             panelCompanyTools.Controls.Add(buttonGoToCheck);
             panelCompanyTools.Dock = DockStyle.Bottom;
             panelCompanyTools.Enabled = false;
-            panelCompanyTools.Location = new Point(3, 529);
+            panelCompanyTools.Location = new Point(3, 518);
             panelCompanyTools.Name = "panelCompanyTools";
-            panelCompanyTools.Size = new Size(320, 429);
+            panelCompanyTools.Size = new Size(320, 402);
             panelCompanyTools.TabIndex = 9;
             // 
+            // buttonAddWarship
+            // 
+            buttonAddWarship.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+            buttonAddWarship.Location = new Point(3, 14);
+            buttonAddWarship.Name = "buttonAddWarship";
+            buttonAddWarship.Size = new Size(314, 72);
+            buttonAddWarship.TabIndex = 1;
+            buttonAddWarship.Text = "Добавление военного корабля";
+            buttonAddWarship.UseVisualStyleBackColor = true;
+            buttonAddWarship.Click += ButtonAddWarship_Click;
+            // 
             // maskedTextBoxPosition
             // 
-            maskedTextBoxPosition.Location = new Point(3, 159);
+            maskedTextBoxPosition.Location = new Point(3, 95);
             maskedTextBoxPosition.Mask = "00";
             maskedTextBoxPosition.Name = "maskedTextBoxPosition";
             maskedTextBoxPosition.Size = new Size(314, 35);
@@ -92,7 +110,7 @@
             // buttonRefresh
             // 
             buttonRefresh.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonRefresh.Location = new Point(3, 356);
+            buttonRefresh.Location = new Point(3, 292);
             buttonRefresh.Name = "buttonRefresh";
             buttonRefresh.Size = new Size(314, 72);
             buttonRefresh.TabIndex = 6;
@@ -103,7 +121,7 @@
             // buttonRemoveWarship
             // 
             buttonRemoveWarship.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonRemoveWarship.Location = new Point(3, 200);
+            buttonRemoveWarship.Location = new Point(3, 136);
             buttonRemoveWarship.Name = "buttonRemoveWarship";
             buttonRemoveWarship.Size = new Size(314, 72);
             buttonRemoveWarship.TabIndex = 4;
@@ -114,7 +132,7 @@
             // buttonGoToCheck
             // 
             buttonGoToCheck.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonGoToCheck.Location = new Point(3, 278);
+            buttonGoToCheck.Location = new Point(3, 214);
             buttonGoToCheck.Name = "buttonGoToCheck";
             buttonGoToCheck.Size = new Size(314, 72);
             buttonGoToCheck.TabIndex = 5;
@@ -229,22 +247,52 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 38);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(1176, 961);
+            pictureBox.Size = new Size(1176, 923);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
-            // buttonAddWarship
+            // menuStrip
             // 
-            buttonAddWarship.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+            menuStrip.ImageScalingSize = new Size(28, 28);
-            buttonAddWarship.Location = new Point(3, 3);
+            menuStrip.Items.AddRange(new ToolStripItem[] { файлToolStripMenuItem });
-            buttonAddWarship.Name = "buttonAddWarship";
+            menuStrip.Location = new Point(0, 0);
-            buttonAddWarship.Size = new Size(314, 72);
+            menuStrip.Name = "menuStrip";
-            buttonAddWarship.TabIndex = 1;
+            menuStrip.Size = new Size(1502, 38);
-            buttonAddWarship.Text = "Добавление военного корабля";
+            menuStrip.TabIndex = 2;
-            buttonAddWarship.UseVisualStyleBackColor = true;
+            menuStrip.Text = "menuStrip";
-            buttonAddWarship.Click += ButtonAddWarship_Click;
+            // 
+            // файлToolStripMenuItem
+            // 
+            файлToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            файлToolStripMenuItem.Name = "файлToolStripMenuItem";
+            файлToolStripMenuItem.Size = new Size(80, 34);
+            файлToolStripMenuItem.Text = "Файл";
+            // 
+            // saveToolStripMenuItem
+            // 
+            saveToolStripMenuItem.Name = "saveToolStripMenuItem";
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.Size = new Size(317, 40);
+            saveToolStripMenuItem.Text = "Сохранение";
+            saveToolStripMenuItem.Click += SaveToolStripMenuItem_Click;
+            // 
+            // loadToolStripMenuItem
+            // 
+            loadToolStripMenuItem.Name = "loadToolStripMenuItem";
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.Size = new Size(317, 40);
+            loadToolStripMenuItem.Text = "Загрузка";
+            loadToolStripMenuItem.Click += LoadToolStripMenuItem_Click;
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file | *.txt";
+            // 
+            // openFileDialog
+            // 
+            openFileDialog.Filter = "txt file | *.txt";
             // 
             // FormWarshipCollection
             // 
@@ -253,6 +301,8 @@
             ClientSize = new Size(1502, 961);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "FormWarshipCollection";
             Text = "Коллекция военных 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 Panel panelCompanyTools;
         private Button buttonAddWarship;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem файлToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog openFileDialog;
     }
 }

ProjectAircraftCarrier_/ProjectAircraftCarrier_/FormWarshipCollection.cs

@@ -245,4 +245,46 @@ public partial class FormWarshipCollection : 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)
+    {
+        // TODO продумать логику
+        if (openFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.LoadData(openFileDialog.FileName))
+            {
+                MessageBox.Show("Загрузка прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                RerfreshListBoxItems();
+            }
+            else
+            {
+                MessageBox.Show("Не загрузилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
 }

ProjectAircraftCarrier_/ProjectAircraftCarrier_/FormWarshipCollection.resx

@@ -117,4 +117,13 @@
   <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>183, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>398, 17</value>
+  </metadata>
 </root>