6 лабораторная работа

MotorBoat/MotorBoat/CollectionGenericObjects/AbstractCompany.cs

@@ -41,7 +41,7 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
     /// <summary>
     /// Перегрузка оператора сложения для класса

MotorBoat/MotorBoat/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -1,5 +1,4 @@
 namespace MotorBoat.CollectionGenericObjects;
-
 /// <summary>
 /// Интерфейс описания действий для набора хранимых объектов
 /// </summary>
@@ -14,7 +13,7 @@ public interface ICollectionGenericObjects<T>
     /// <summary>
     /// Установка максимального количества элементов
     /// </summary>
-    int SetMaxCount { set; }
+    int MaxCount { get; set; }
     /// <summary>
     /// Добавление объекта в коллекцию
     /// </summary>
@@ -40,4 +39,15 @@ 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();
 }

MotorBoat/MotorBoat/CollectionGenericObjects/ListGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace MotorBoat.CollectionGenericObjects;
+
+namespace MotorBoat.CollectionGenericObjects;
 
 /// <summary>
 /// Параметризованный набор объектов
@@ -18,7 +19,23 @@ public class ListGenericObjects<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>
@@ -57,4 +74,12 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         _collection.RemoveAt(position);
         return temp;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

MotorBoat/MotorBoat/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace MotorBoat.CollectionGenericObjects;
+
+namespace MotorBoat.CollectionGenericObjects;
 
 public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
     where T : class
@@ -8,8 +9,12 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
     /// </summary>
     private T?[] _collection;
     public int Count => _collection.Length;
-    public int SetMaxCount
+    public int MaxCount
     {
+        get
+        {
+            return _collection.Length;
+        }
         set
         {
             if (value > 0)
@@ -25,6 +30,9 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             }
         }
     }
+
+    public CollectionType GetCollectionType => CollectionType.Massive;
+
     public MassiveGenericObjects()
     {
         _collection = Array.Empty<T?>();
@@ -83,4 +91,12 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         _collection[position] = null;
         return myObject;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Length; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

MotorBoat/MotorBoat/CollectionGenericObjects/StorageCollection.cs

@@ -1,17 +1,34 @@
-namespace MotorBoat.CollectionGenericObjects;
+using MotorBoat.Drawnings;
+
+namespace MotorBoat.CollectionGenericObjects;
 
 /// <summary>
 /// Класс-хранилище коллекций
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-    where T : class
+    where T : DrawningBoat
 {
     /// <summary>
     /// Словарь (хранилище) с коллекциями
     /// </summary>
     readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
 
+    /// <summary>
+    /// Ключевое слово, с которого должен начинаться файл
+    /// </summary>
+    private readonly string _collectionKey = "CollectionsStorage";
+
+    /// <summary>
+    /// Разделитель для записей коллекции данных в файл
+    /// </summary>
+    private readonly string _separatorItems = ";";
+
+    /// <summary>
+    /// Разделитель для записи ключа и значения элемента словаря
+    /// </summary>
+    private readonly string _separatorForKeyValue = "|";
+
     /// <summary>
     /// Возвращение списка названий коллекций
     /// </summary>
@@ -24,7 +41,6 @@ public class StorageCollection<T>
     {
         _storages = new Dictionary<string, ICollectionGenericObjects<T>>();
     }
-
     /// <summary>
     /// Добавление коллекции в хранилище
     /// </summary>
@@ -32,12 +48,9 @@ public class StorageCollection<T>
     /// <param name="collectionType">тип коллекции</param>
     public void AddCollection(string name, CollectionType collectionType)
     {
-        // TODO проверка, что name не пустой и нет в словаре записи с таким ключом
+        if (name == null || _storages.ContainsKey(name))
-        // TODO Прописать логику для добавления
+            return;
-
-        if (name == null || _storages.ContainsKey(name)) { return; }
         switch (collectionType)
-
         {
             case CollectionType.None:
                 return;
@@ -47,8 +60,8 @@ public class StorageCollection<T>
             case CollectionType.List:
                 _storages[name] = new ListGenericObjects<T>();
                 return;
+            default: break;
         }
-
     }
 
     /// <summary>
@@ -57,12 +70,9 @@ public class StorageCollection<T>
     /// <param name="name">Название коллекции</param>
     public void DelCollection(string name)
     {
-        // TODO Прописать логику для удаления коллекции
         if (_storages.ContainsKey(name))
-        {
             _storages.Remove(name);
     }
-    }
 
     /// <summary>
     /// Доступ к коллекции
@@ -73,8 +83,129 @@ public class StorageCollection<T>
     {
         get
         {
-            if (name == null || !_storages.ContainsKey(name)) { return null; }
+            if (_storages.ContainsKey(name))
                 return _storages[name];
+            return null;
         }
     }
+
+    /// <summary>
+    /// Сохранение информации по автомобилям в хранилище в файл
+    /// </summary>
+    /// <param name="filename"></param>
+    /// <returns></returns>
+    public bool SaveData(string filename)
+    {
+        if (_storages.Count == 0)
+        {
+            return false;
+        }
+        if (File.Exists(filename))
+        {
+            File.Delete(filename);
+        }
+        using (StreamWriter writer = new(filename))
+        {
+            writer.Write(_collectionKey);
+            foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+            {
+                writer.Write(Environment.NewLine);
+                // не сохраняем пустые коллекции
+                if (value.Value.Count == 0)
+                {
+                    continue;
+                }
+                writer.Write(value.Key);
+                writer.Write(_separatorForKeyValue);
+                writer.Write(value.Value.GetCollectionType);
+                writer.Write(_separatorForKeyValue);
+                writer.Write(value.Value.MaxCount);
+                writer.Write(_separatorForKeyValue);
+
+                foreach (T? item in value.Value.GetItems())
+                {
+                    string data = item?.GetDataForSave() ?? string.Empty;
+                    if (string.IsNullOrEmpty(data))
+                    {
+                        continue;
+                    }
+                    writer.Write(data);
+                    writer.Write(_separatorItems);
+                }
+            }
+        }
+        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(filename))
+        {
+            string line = reader.ReadLine();
+            if (line == null || line.Length == 0)
+            {
+                return false;
+            }
+            if (!line.Equals(_collectionKey))
+            {
+                //если нет такой записи, то это не те данные
+                return false;
+            }
+            _storages.Clear();
+            while ((line = reader.ReadLine()) != null)
+            {
+                string[] record = line.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?.CreateDrawningBoat() is T boat)
+                    {
+                        if (collection.Insert(boat) == -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,
+        };
+    }
 }

MotorBoat/MotorBoat/Drawnings/DrawningBoat.cs

@@ -85,6 +85,15 @@ namespace MotorBoat.Drawnings
             _drawningBoatHeight = drawningBoatHeight;
         }
         /// <summary>
+        /// Новый конструктор
+        /// </summary>
+        /// <param name="boat"></param>
+        public DrawningBoat(EntityBoat? boat) : this()
+        {
+            if (boat == null) return;
+            EntityBoat = new EntityBoat(boat.Speed, boat.Weight, boat.BodyColor);
+        }
+        /// <summary>
         /// Установка границ поля
         /// </summary>
         /// <param name="width">Ширина поля</param>

MotorBoat/MotorBoat/Drawnings/DrawningMotorBoat.cs

@@ -21,6 +21,17 @@ namespace MotorBoat.Drawnings
         {
             EntityBoat = new EntityMotorBoat(speed, weight, bodyColor, additionalColor, protectiveGlass, engine);
         }
+
+        /// <summary>
+        /// Конструктор для Extention
+        /// </summary>
+        /// <param name="motorBoat"></param>
+        public DrawningMotorBoat(EntityMotorBoat motorBoat) : base(153, 75)
+        {
+            if (motorBoat == null) return;
+            EntityBoat = new EntityMotorBoat(motorBoat.Speed, motorBoat.Weight, motorBoat.BodyColor,
+                motorBoat.AdditionalColor, motorBoat.ProtectiveGlass, motorBoat.Engine);
+        }
         /// <summary>
         /// Прорисовка объекта
         /// </summary>

MotorBoat/MotorBoat/Drawnings/ExtentionDrawningBoat.cs

@@ -0,0 +1,50 @@
+using MotorBoat.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MotorBoat.Drawnings;
+
+/// <summary>
+/// Расширение для класса EntityBoat
+/// </summary>
+public static class ExtentionDrawningBoat
+{
+    /// <summary>
+    /// Разделитель для записи информации по объекту в файл
+    /// </summary>
+    private static readonly string _separatorForObject = ":";
+
+    public static DrawningBoat? CreateDrawningBoat(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+        EntityBoat? boat = EntityMotorBoat.CreateEntityMotorBoat(strs);
+        if (boat != null)
+        {
+            return new DrawningMotorBoat((EntityMotorBoat)boat);
+        }
+        boat = EntityBoat.CreateEntityBoat(strs);
+        if (boat != null)
+        {
+            return new DrawningBoat(boat);
+        }
+        return null;
+    }
+
+    /// <summary>
+    /// Получение данных для сохранения в файл
+    /// </summary>
+    /// <param name="drawningCar"></param>
+    /// <returns></returns>
+    public static string GetDataForSave(this DrawningBoat drawningBoat)
+    {
+        string[]? array = drawningBoat?.EntityBoat?.GetStringRepresentation();
+        if (array == null)
+        {
+            return string.Empty;
+        }
+        return string.Join(_separatorForObject, array);
+    }
+}

MotorBoat/MotorBoat/Entities/EntityBoat.cs

@@ -44,5 +44,28 @@ namespace MotorBoat.Entities
             Weight = weight;
             BodyColor = bodyColor;
         }
+
+        /// <summary>
+        /// Получение строк со значениями свойств объекта класса-сущности
+        /// </summary>
+        /// <returns></returns>
+        public virtual string[] GetStringRepresentation()
+        {
+            return new[] { nameof(EntityBoat), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+        }
+
+        /// <summary>
+        /// Создание объекта из массива строк
+        /// </summary>
+        /// <param name="strs"></param>
+        /// <returns></returns>
+        public static EntityBoat? CreateEntityBoat(string[] strs)
+        {
+            if (strs.Length != 4 || strs[0] != nameof(EntityBoat))
+            {
+                return null;
+            }
+            return new EntityBoat(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+        }
     }
 }

MotorBoat/MotorBoat/Entities/EntityMotorBoat.cs

@@ -1,4 +1,6 @@
-namespace MotorBoat.Entities
+using System.Threading.Tasks;
+
+namespace MotorBoat.Entities
 {
     /// <summary>
     /// Класс-сущность "Моторная лодка"
@@ -42,5 +44,29 @@
             ProtectiveGlass = protectiveGlass;
             Engine = engine;
         }
+
+        /// <summary>
+        /// Получение строк со значениями свойств продвинутого объекта класса-сущности
+        /// </summary>
+        /// <returns></returns>
+        public override string[] GetStringRepresentation()
+        {
+            return new[] { nameof(EntityMotorBoat), Speed.ToString(), Weight.ToString(), BodyColor.Name, AdditionalColor.Name,
+                        ProtectiveGlass.ToString(), Engine.ToString()};
+        }
+        /// <summary>
+        /// Создание продвинутого объекта из массива строк
+        /// </summary>
+        /// <param name="strs"></param>
+        /// <returns></returns>
+        public static EntityMotorBoat? CreateEntityMotorBoat(string[] strs)
+        {
+            if (strs.Length != 7 || strs[0] != nameof(EntityMotorBoat))
+            {
+                return null;
+            }
+            return new EntityMotorBoat(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]),
+                                        Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]));
+        }
     }
 }

MotorBoat/MotorBoat/FormBoatCollection.Designer.cs

@@ -46,10 +46,17 @@
             labelCollectionName = new Label();
             comboBoxSelectorCompany = new ComboBox();
             pictureBox = new PictureBox();
+            menuStrip = new MenuStrip();
+            FileToolStripMenuItem = 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(630, 0);
+            groupBoxTools.Location = new Point(630, 24);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(170, 509);
+            groupBoxTools.Size = new Size(170, 512);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
@@ -239,19 +246,62 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(630, 509);
+            pictureBox.Size = new Size(630, 512);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
+            // menuStrip
+            // 
+            menuStrip.Items.AddRange(new ToolStripItem[] { FileToolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(800, 24);
+            menuStrip.TabIndex = 2;
+            menuStrip.Text = "menuStrip";
+            // 
+            // FileToolStripMenuItem
+            // 
+            FileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            FileToolStripMenuItem.Name = "FileToolStripMenuItem";
+            FileToolStripMenuItem.Size = new Size(48, 20);
+            FileToolStripMenuItem.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
+            // 
+            openFileDialog.FileName = "openFileDialog1";
+            openFileDialog.Filter = "txt file | *.txt";
+            // 
             // FormBoatCollection
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(800, 509);
+            ClientSize = new Size(800, 536);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "FormBoatCollection";
             Text = "Коллекция лодок";
             groupBoxTools.ResumeLayout(false);
@@ -260,7 +310,10 @@
             panelStorage.ResumeLayout(false);
             panelStorage.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -283,5 +336,11 @@
         private Button buttonCollectionDel;
         private ListBox listBoxCollection;
         private Panel panelCompanyTools;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem FileToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog openFileDialog;
     }
 }

MotorBoat/MotorBoat/FormBoatCollection.cs

@@ -236,4 +236,47 @@ public partial class FormBoatCollection : 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 удалось сохранить", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
 }

MotorBoat/MotorBoat/FormBoatCollection.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>