6 лабораторная работа

ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/AbstractCompany.cs

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

ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -15,7 +15,7 @@ public interface ICollectionGenericObjects<T>
     /// <summary>
     /// Установка максимального количества элементов
     /// </summary>
-    int SetMaxCount { set; }
+    int MaxCount { get; set; }
 
     /// <summary>
     /// Добавление объекта в коллекцию
@@ -45,4 +45,15 @@ 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();
 }

ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ListGenericObjects.cs

@@ -17,7 +17,21 @@ 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 _collection.Count;
+        }
+        set 
+        { 
+            if (value > 0) 
+            { 
+                _maxCount = value; 
+            } 
+        } 
+    }
+
+    public CollectionType GetCollectionType => CollectionType.List;
 
     /// <summary>
     /// Конструктор
@@ -57,4 +71,12 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         _collection.RemoveAt(position);
         return obj;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -16,8 +16,13 @@ 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)
@@ -34,6 +39,8 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         }
     }
 
+    public CollectionType GetCollectionType => CollectionType.Massive;
+
     /// <summary>
     /// Конструктор
     /// </summary>
@@ -105,4 +112,12 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         }
         return null;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Length; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/StorageCollection.cs

@@ -1,11 +1,14 @@
-namespace ProjectSeaplane.CollectionGenericObjects;
+using ProjectSeaplane.Drawnings;
+using System.Text;
+
+namespace ProjectSeaplane.CollectionGenericObjects;
 
 /// <summary>
 /// Класс-хранилище коллекций
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-    where T : class
+    where T : DrawningPlane
 {
     /// <summary>
     /// Словарь (хранилище) с коллекциями
@@ -17,6 +20,21 @@ public class StorageCollection<T>
     /// </summary>
     public List<string> Keys => _storage.Keys.ToList();
 
+    /// <summary>
+    /// Ключевое слово, с которого должен начинаться файл
+    /// </summary>
+    private readonly string _collectionKey = "CollectionStorage";
+
+    /// <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>
@@ -82,4 +100,111 @@ public class StorageCollection<T>
             }
         }
     }
+
+    /// <summary>
+    /// Сохранение информации по самолётам 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 (File.Exists(filename))
+        {
+            File.Delete(filename);
+        }
+
+        if (_storage.Count == 0)
+        {
+            return false;
+        }
+
+        using (StreamWriter writer = new StreamWriter(filename))
+        {
+            writer.WriteLine(_collectionKey);
+            foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storage)
+            {
+                writer.Write($"{value.Key}{_separatorForKeyValue}{value.Value.GetCollectionType}{_separatorForKeyValue}{value.Value.MaxCount}{_separatorForKeyValue}");
+                writer.Write(_separatorItems);
+                foreach (T? item in value.Value.GetItems())
+                {
+                    string data = item?.GetDataForSave() ?? string.Empty;
+                    if (!string.IsNullOrEmpty(data))
+                    {
+                        writer.Write(data + _separatorItems);
+                    }
+                }
+                writer.WriteLine();
+            }
+        }
+        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;
+        using (StreamReader reader = new StreamReader(filename))
+        {
+            string line = reader.ReadLine();
+            if (line == null || !line.Equals(_collectionKey))
+            {
+                return false;
+            }
+
+            _storage.Clear();
+            while (line != null)
+            {
+                string[] record = line.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+                if (record.Length != 4)
+                {
+                    line = reader.ReadLine();
+                    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?.CreateDrawningPlane() is T plane)
+                    {
+                        if (collection.Insert(plane) == -1)
+                        {
+                            return false;
+                        }
+                    }
+                }
+                _storage.Add(record[0], collection);
+                line = reader.ReadLine();
+            }
+        }
+        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,
+        };
+    }
 }

ProjectSeaplane/ProjectSeaplane/Drawnings/DrawningPlane.cs

@@ -92,6 +92,11 @@ public class DrawningPlane
         _drawningPlaneHeight = drawningPlaneHeight;
     }
 
+    public DrawningPlane(EntityPlane plane)
+    {
+        EntityPlane = plane;
+    }
+
     /// <summary>
     /// Установка границ поля
     /// </summary>

ProjectSeaplane/ProjectSeaplane/Drawnings/DrawningSeaplane.cs

@@ -20,6 +20,10 @@ public class DrawningSeaplane : DrawningPlane
         EntityPlane = new EntitySeaplane(speed, weight, bodyColor, additionalColor, floats, boat);
     }
 
+    public DrawningSeaplane(EntityPlane plane) : base(plane)
+    {
+    }
+
     public override void DrawTransport(Graphics g)
     {
         if (EntityPlane == null || EntityPlane is not EntitySeaplane seaplane || !_startPosX.HasValue || !_startPosY.HasValue)

ProjectSeaplane/ProjectSeaplane/Drawnings/ExtentionDrawningPlane.cs

@@ -0,0 +1,52 @@
+using ProjectSeaplane.Entities;
+namespace ProjectSeaplane.Drawnings;
+
+/// <summary>
+/// Расширение для класса EntityPlane
+/// </summary>
+public static class ExtentionDrawningPlane
+{
+    /// <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 DrawningPlane? CreateDrawningPlane(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+        EntityPlane? plane = EntitySeaplane.CreateEntitySeaplane(strs);
+        if (plane != null)
+        {
+            return new DrawningSeaplane(plane);
+        }
+
+        plane = EntityPlane.CreateEntityPlane(strs);
+        if (plane != null)
+        {
+            return new DrawningPlane(plane);
+        }
+        return null;
+    }
+
+    /// <summary>
+    /// Получение данных для сохранения в файл
+    /// </summary>
+    /// <param name="drawningPlane">Сохраняемый объект</param>
+    /// <returns>Строка с данными по объекту</returns>
+    public static string GetDataForSave(this DrawningPlane drawningPlane)
+    {
+        string[]? array = drawningPlane?.EntityPlane?.GetStringRepresentation();
+
+        if (array == null)
+        {
+            return string.Empty;
+        }
+
+        return string.Join(_separatorForObject, array);
+    }
+}

ProjectSeaplane/ProjectSeaplane/Entities/EntityPlane.cs

@@ -42,4 +42,27 @@ public class EntityPlane
     {
         BodyColor = bobycolor;
     }
+
+    /// <summary>
+    /// Получение строк со значениями свойств объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityPlane), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityPlane? CreateEntityPlane(string[] strs)
+    {
+        if (strs.Length != 4 || strs[0] != nameof(EntityPlane))
+        {
+            return null;
+        }
+        return new EntityPlane(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+    }
 }

ProjectSeaplane/ProjectSeaplane/Entities/EntitySeaplane.cs

@@ -38,4 +38,27 @@ public class EntitySeaplane : EntityPlane
     {
         AdditionalColor = color;
     }
+
+    /// <summary>
+    /// Получение строк со значениями свойств объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public override string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntitySeaplane), Speed.ToString(), Weight.ToString(), BodyColor.Name, AdditionalColor.Name, Floats.ToString(), Boat.ToString() };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntitySeaplane? CreateEntitySeaplane(string[] strs)
+    {
+        if (strs.Length != 7 || strs[0] != nameof(EntitySeaplane))
+        {
+            return null;
+        }
+        return new EntitySeaplane(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]), Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]));
+    }
 }

ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.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();
+            loadFileDialog = 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(793, 0);
+            groupBoxTools.Location = new Point(793, 24);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(144, 571);
+            groupBoxTools.Size = new Size(144, 575);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
@@ -75,7 +82,7 @@
             panelCompanyTools.Controls.Add(buttonRemovePlane);
             panelCompanyTools.Dock = DockStyle.Bottom;
             panelCompanyTools.Enabled = false;
-            panelCompanyTools.Location = new Point(3, 320);
+            panelCompanyTools.Location = new Point(3, 324);
             panelCompanyTools.Name = "panelCompanyTools";
             panelCompanyTools.Size = new Size(138, 248);
             panelCompanyTools.TabIndex = 10;
@@ -238,19 +245,61 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(793, 571);
+            pictureBox.Size = new Size(793, 575);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
+            // menuStrip
+            // 
+            menuStrip.Items.AddRange(new ToolStripItem[] { файлToolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(937, 24);
+            menuStrip.TabIndex = 2;
+            menuStrip.Text = "menuStrip";
+            // 
+            // файлToolStripMenuItem
+            // 
+            файлToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            файлToolStripMenuItem.Name = "файлToolStripMenuItem";
+            файлToolStripMenuItem.Size = new Size(48, 20);
+            файлToolStripMenuItem.Text = "Файл";
+            // 
+            // SaveToolStripMenuItem
+            // 
+            saveToolStripMenuItem.Name = "SaveToolStripMenuItem";
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.Size = new Size(181, 22);
+            saveToolStripMenuItem.Text = "Сохранение";
+            saveToolStripMenuItem.Click += saveToolStripMenuItem_Click;
+            // 
+            // LoadToolStripMenuItem
+            // 
+            loadToolStripMenuItem.Name = "LoadToolStripMenuItem";
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.Size = new Size(181, 22);
+            loadToolStripMenuItem.Text = "Загрузка";
+            loadToolStripMenuItem.Click += loadToolStripMenuItem_Click;
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file | *.txt";
+            // 
+            // openFileDialog
+            // 
+            loadFileDialog.Filter = "txt file | *.txt";
+            // 
             // FormPlaneCollection
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(937, 571);
+            ClientSize = new Size(937, 599);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "FormPlaneCollection";
             Text = "Коллекция самолётов";
             groupBoxTools.ResumeLayout(false);
@@ -259,7 +308,10 @@
             panelStorage.ResumeLayout(false);
             panelStorage.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -282,5 +334,11 @@
         private Button buttonCollectionDel;
         private Button buttonCreateCompany;
         private Panel panelCompanyTools;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem файлToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog loadFileDialog;
     }
 }

ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.cs

@@ -242,4 +242,45 @@ public partial class FormPlaneCollection : Form
         panelCompanyTools.Enabled = true;
         RefreshListBoxItems();
     }
+
+    /// <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 (loadFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.LoadData(loadFileDialog.FileName))
+            {
+                MessageBox.Show("Загрузка прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                RefreshListBoxItems();
+            }
+            else
+            {
+                MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
 }

ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.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>126, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>261, 17</value>
+  </metadata>
 </root>