Готовая Lab_6

Sailboat/Sailboat/BoatsGenericCollection.cs

@@ -37,6 +37,8 @@ namespace Sailboat.Generics
         /// Набор объектов
         /// </summary>
         private readonly SetGeneric<T> _collection;
+        internal IEnumerable<DrawingBoat> GetBoats;
+
         /// <summary>
         /// Конструктор
         /// </summary>

Sailboat/Sailboat/BoatsGenericStorage.cs

@@ -28,6 +28,18 @@ namespace Sailboat.Generics
         /// </summary>
         private readonly int _pictureHeight;
         /// <summary>
+        /// Разделитель для записи ключа и значения элемента словаря
+        /// </summary>
+        private static readonly char _separatorForKeyValue = '|';
+        /// <summary>
+        /// Разделитель для записей коллекции данных в файл
+        /// </summary>
+        private readonly char _separatorRecords = ';';
+        /// <summary>
+        /// Разделитель для записи информации по объекту в файл
+        /// </summary>
+        private static readonly char _separatorForObject = ':';
+        /// <summary>
         /// Конструктор
         /// </summary>
         /// <param name="pictureWidth"></param>
@@ -80,5 +92,94 @@ namespace Sailboat.Generics
                 return null;
             }
         }
+
+        /// <summary>
+        /// Сохранение информации по лодкам 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);
+            }
+            StringBuilder data = new();
+            foreach (KeyValuePair<string, BoatsGenericCollection<DrawingBoat, DrawingObjectBoat>> record in _boatStorages)
+            {
+                StringBuilder records = new();
+                foreach (DrawingBoat? elem in record.Value.GetBoats)
+                {
+                    records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
+                }                
+                data.AppendLine($"{record.Key}{_separatorForKeyValue}{records}");
+            }
+            if (data.Length == 0)
+            {
+                return false;
+            }
+            using (StreamWriter writer = new StreamWriter(filename))
+            {
+                writer.Write($"BoatStorage{Environment.NewLine}{data}");
+            }
+            return true;
+        }
+        /// <summary>
+        /// Загрузка информации по лодкам в хранилище из файла
+        /// </summary>
+        /// <param name="filename">Путь и имя файла</param>
+        /// <returns>true - загрузка прошла успешно, false - ошибка призагрузке данных</returns>
+        public bool LoadData(string filename)
+        {
+            if (!File.Exists(filename))
+            {
+                return false;
+            }
+
+            using (StreamReader fs = File.OpenText(filename))
+            {
+                string str = fs.ReadLine();
+                if (str == null || str.Length == 0)
+                {
+                    return false;
+                }
+                if (!str.StartsWith("BoatStorage"))
+                {
+                    return false;
+                }
+
+                _boatStorages.Clear();
+                string strs = "";
+
+                while ((strs = fs.ReadLine()) != null)
+                {
+                    if (strs == null)
+                    {
+                        return false;
+                    }
+
+                    string[] record = strs.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+                    if (record.Length != 2)
+                    {
+                        continue;
+                    }
+                    BoatsGenericCollection<DrawingBoat, DrawingObjectBoat> collection = new(_pictureWidth, _pictureHeight);
+                    string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
+                    foreach (string elem in set)
+                    {
+                        DrawingBoat? boat = elem?.CreateDrawingBoat(_separatorForObject, _pictureWidth, _pictureHeight);
+                        if (boat != null)
+                        {
+                            if (!(collection + boat))
+                            {
+                                return false;
+                            }
+                        }
+                    }
+                    _boatStorages.Add(record[0], collection);
+                }
+                return true;
+            }
+        }
     }
-}
+}

Sailboat/Sailboat/ExtentionDrawningBoat.cs

@@ -0,0 +1,63 @@
+using Sailboat.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.NetworkInformation;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Sailboat.DrawingObjects
+{
+    public static class ExtentionDrawingBoat
+    {
+        /// <summary>
+        /// Создание объекта из строки
+        /// </summary>
+        /// <param name="info">Строка с данными для создания объекта</param>
+        /// <param name="separatorForObject">Разделитель даннных</param>
+        /// <param name="width">Ширина</param>
+        /// <param name="height">Высота</param>
+        /// <returns>Объект</returns>
+        public static DrawingBoat? CreateDrawingBoat(this string info, char separatorForObject, int width, int height)
+        {
+            string[] strs = info.Split(separatorForObject);
+            if (strs.Length == 3)
+            {
+                return new DrawingBoat(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]), Color.FromName(strs[2]), width, height);
+            }
+            if (strs.Length == 6)
+            {
+                return new DrawingSailboat(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]),
+                Color.FromName(strs[2]),
+                Color.FromName(strs[3]),
+                Convert.ToBoolean(strs[4]),
+                Convert.ToBoolean(strs[5]), width, height);
+            }
+            return null;
+        }
+        /// <summary>
+        /// Получение данных для сохранения в файл
+        /// </summary>
+        /// <param name="drawningCar">Сохраняемый объект</param>
+        /// <param name="separatorForObject">Разделитель даннных</param>
+        /// <returns>Строка с данными по объекту</returns>
+        public static string GetDataForSave(this DrawingBoat drawingBoat, char separatorForObject)
+        {
+            var boat = drawingBoat.EntityBoat;
+            if (boat == null)
+            {
+                return string.Empty;
+            }
+
+            var str = $"{boat.Speed}{separatorForObject}{boat.Weight}{separatorForObject}{boat.BodyColor.Name}";
+
+            if (boat is not EntitySailboat sailboat)
+            {
+                return str;
+            }
+            return $"{str}{separatorForObject}{sailboat.AdditionalColor.Name}{separatorForObject}{sailboat.Hull}{separatorForObject}{sailboat.Sail}";
+        }
+    }
+}

Sailboat/Sailboat/FormBoatCollection.Designer.cs

@@ -163,7 +163,55 @@
             buttonAddBoat.TabIndex = 0;
             buttonAddBoat.Text = "Добавить лодку";
             buttonAddBoat.UseVisualStyleBackColor = true;
-            buttonAddBoat.Click += buttonAddBoat_Click;
+            buttonAddBoat.Click += buttonAddBoat_Click;           
+            // 
+            // menuStrip
+            // 
+            this.menuStrip.ImageScalingSize = new System.Drawing.Size(20, 20);
+            this.menuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.toolStripMenuItem1,
+            this.ToolStripMenuItem});
+            this.menuStrip.Location = new System.Drawing.Point(0, 0);
+            this.menuStrip.Name = "menuStrip";
+            this.menuStrip.Size = new System.Drawing.Size(209, 28);
+            this.menuStrip.TabIndex = 5;
+            // 
+            // toolStripMenuItem1
+            // 
+            this.toolStripMenuItem1.Name = "toolStripMenuItem1";
+            this.toolStripMenuItem1.Size = new System.Drawing.Size(14, 24);
+            // 
+            // ToolStripMenuItem
+            // 
+            this.ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.SaveToolStripMenuItem,
+            this.LoadToolStripMenuItem});
+            this.ToolStripMenuItem.Name = "ToolStripMenuItem";
+            this.ToolStripMenuItem.Size = new System.Drawing.Size(59, 24);
+            this.ToolStripMenuItem.Text = "Файл";
+            // 
+            // SaveToolStripMenuItem
+            // 
+            this.SaveToolStripMenuItem.Name = "SaveToolStripMenuItem";
+            this.SaveToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            this.SaveToolStripMenuItem.Text = "Сохранение";
+            this.SaveToolStripMenuItem.Click += new System.EventHandler(this.SaveToolStripMenuItem_Click);
+            // 
+            // LoadToolStripMenuItem
+            // 
+            this.LoadToolStripMenuItem.Name = "LoadToolStripMenuItem";
+            this.LoadToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            this.LoadToolStripMenuItem.Text = "Загрузка";
+            this.LoadToolStripMenuItem.Click += new System.EventHandler(this.LoadToolStripMenuItem_Click);
+            // 
+            // openFileDialog
+            // 
+            this.openFileDialog.FileName = "openFileDialog";
+            this.openFileDialog.Filter = "txt file | *.txt";
+            // 
+            // saveFileDialog
+            // 
+            this.saveFileDialog.Filter = "txt file | *.txt";
             // 
             // FormBoatCollection
             // 
@@ -197,5 +245,14 @@
         private ListBox listBoxStorages;
         private Button buttonAddObject;
         private TextBox textBoxStorageName;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem toolStripMenuItem1;
+        private ToolStripMenuItem ToolStripMenuItem;
+        private ToolStripMenuItem SaveToolStripMenuItem;
+        private ToolStripMenuItem LoadToolStripMenuItem;
+        private OpenFileDialog openFileDialog;
+        private SaveFileDialog saveFileDialog;
+        private EventHandler SaveToolStripMenuItem_Click;
+        private EventHandler LoadToolStripMenuItem_Click;
     }
 }