Сделал лабораторную 6

Bulldozer/Bulldozer/DrawingObjects/ExtentionDrawingBulldozer.cs

@@ -0,0 +1,48 @@
+using Bulldozer.Entities;
+
+namespace Bulldozer.DrawingObjects
+{
+    public static class ExtentionDrawingBulldozer
+    {
+        public static DrawingBulldozer? CreateDrawingBulldozer(this string info, char separatorForObject, int width, int height)
+        {
+            string[] strs = info.Split(separatorForObject);
+            if (strs.Length == 4)
+            {
+                return new DrawingBulldozer(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]), Color.FromName(strs[2]), Color.FromName(strs[3]), width, height);
+            }
+            if (strs.Length == 7)
+            {
+                return new DrawingBulldozerUpgraded(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]),
+                Color.FromName(strs[2]),
+                Color.FromName(strs[3]),
+                Color.FromName(strs[4]),
+                Convert.ToBoolean(strs[5]),
+                Convert.ToBoolean(strs[6]), width, height);
+            }
+            return null;
+        }
+        /// <summary>
+        /// Получение данных для сохранения в файл
+        /// </summary>
+        /// <param name="drawingBulldozer">Сохраняемый объект</param>
+        /// <param name="separatorForObject">Разделитель даннных</param>
+        /// <returns>Строка с данными по объекту</returns>
+        public static string GetDataForSave(this DrawingBulldozer drawingBulldozer, char separatorForObject)
+        {
+            var bulldozer = drawingBulldozer.EntityBulldozer;
+            if (bulldozer == null)
+            {
+                return string.Empty;
+            }
+            var str = $"{bulldozer.Speed}{separatorForObject}{bulldozer.Weight}{separatorForObject}{bulldozer.BodyColor.Name}{separatorForObject}{bulldozer.AdditionalColor.Name}";
+            if (bulldozer is not EntityBulldozerUpgraded bulldozerUpgraded)
+            {
+                return str;
+            }
+            return $"{str}{separatorForObject}{bulldozerUpgraded.DopColor.Name}{separatorForObject}{bulldozerUpgraded.Ripper}{separatorForObject}{bulldozerUpgraded.Blade}";
+        }
+    }
+}

Bulldozer/Bulldozer/FormBulldozerCollection.Designer.cs

@@ -39,9 +39,16 @@
             this.buttonUpdateColletion = new System.Windows.Forms.Button();
             this.buttonDeleteBulldozer = new System.Windows.Forms.Button();
             this.buttonAddBulldozer = new System.Windows.Forms.Button();
+            this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
+            this.saveFileDialog = new System.Windows.Forms.SaveFileDialog();
+            this.menuStrip = new System.Windows.Forms.MenuStrip();
+            this.toolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.SaveToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.LoadToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             ((System.ComponentModel.ISupportInitialize)(this.pictureBoxCollection)).BeginInit();
             this.panelTools.SuspendLayout();
             this.groupListBulldozersBox.SuspendLayout();
+            this.menuStrip.SuspendLayout();
             this.SuspendLayout();
             // 
             // pictureBoxCollection
@@ -163,12 +170,56 @@
             this.buttonAddBulldozer.UseVisualStyleBackColor = true;
             this.buttonAddBulldozer.Click += new System.EventHandler(this.buttonAddBulldozer_Click);
             // 
+            // openFileDialog
+            // 
+            this.openFileDialog.FileName = "openFileDialog";
+            this.openFileDialog.Filter = "txt file | *.txt";
+            // 
+            // saveFileDialog
+            // 
+            this.saveFileDialog.Filter = "txt file | *.txt";
+            // 
+            // menuStrip
+            // 
+            this.menuStrip.ImageScalingSize = new System.Drawing.Size(20, 20);
+            this.menuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.toolStripMenuItem});
+            this.menuStrip.Location = new System.Drawing.Point(0, 0);
+            this.menuStrip.Name = "menuStrip";
+            this.menuStrip.Size = new System.Drawing.Size(1110, 28);
+            this.menuStrip.TabIndex = 2;
+            this.menuStrip.Text = "menuStrip";
+            // 
+            // 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 = "Сохранить";
+            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 = "Загрузить";
+            this.LoadToolStripMenuItem.Click += new System.EventHandler(this.LoadToolStripMenuItem_Click);
+            // 
             // FormBulldozerCollection
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1110, 793);
             this.Controls.Add(this.panelTools);
+            this.Controls.Add(this.menuStrip);
             this.Controls.Add(this.pictureBoxCollection);
             this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
             this.Name = "FormBulldozerCollection";
@@ -178,7 +229,10 @@
             this.panelTools.PerformLayout();
             this.groupListBulldozersBox.ResumeLayout(false);
             this.groupListBulldozersBox.PerformLayout();
+            this.menuStrip.ResumeLayout(false);
+            this.menuStrip.PerformLayout();
             this.ResumeLayout(false);
+            this.PerformLayout();
 
         }
 
@@ -195,5 +249,11 @@
         private GroupBox groupListBulldozersBox;
         private Button buttonDeleteBulldozersList;
         private Button buttonAddBulldozersList;
+        private OpenFileDialog openFileDialog;
+        private SaveFileDialog saveFileDialog;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem toolStripMenuItem;
+        private ToolStripMenuItem SaveToolStripMenuItem;
+        private ToolStripMenuItem LoadToolStripMenuItem;
     }
 }

Bulldozer/Bulldozer/FormBulldozerCollection.cs

@@ -1,6 +1,7 @@
 using Bulldozer.DrawingObjects;
 using Bulldozer.Generics;
 using Bulldozer.MovementStrategy;
+using System.Windows.Forms;
 
 
 namespace Bulldozer
@@ -91,6 +92,7 @@ namespace Bulldozer
         /// <param name="sender"></param>
         /// <param name="e"></param>
         
+
         private void buttonAddBulldozer_Click(object sender, EventArgs e)
         {
             if (listBoxBulldozerStorages.SelectedIndex == -1)
@@ -176,5 +178,46 @@ namespace Bulldozer
             }
             pictureBoxCollection.Image = obj.ShowBulldozers();
         }
+
+        /// <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 (_storage.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 (_storage.LoadData(openFileDialog.FileName))
+                {
+                    MessageBox.Show("Загрузка прошла успешно!", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    ReloadObjects();
+                }
+                else
+                {
+                    MessageBox.Show("Не загрузилось!", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+
+                }
+            }
+        }
     }
 }

Bulldozer/Bulldozer/FormBulldozerCollection.resx

@@ -57,4 +57,13 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="openFileDialog.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>184, 17</value>
+  </metadata>
+  <metadata name="menuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>338, 17</value>
+  </metadata>
 </root>

Bulldozer/Bulldozer/Generics/BulldozersGenericCollection.cs

@@ -7,6 +7,10 @@ namespace Bulldozer.Generics
         where T : DrawingBulldozer
         where U : IMoveableObject
     {
+        /// <summary>
+        /// Получение объектов коллекции
+        /// </summary>
+        public IEnumerable<T?> GetBulldozers => _collection.GetBulldozers();
         /// <summary>
         /// Ширина окна прорисовки
         /// </summary>
@@ -141,7 +145,7 @@ namespace Bulldozer.Generics
                     return;
                 }
             }
+        }
         
     }
-    }
 }

Bulldozer/Bulldozer/Generics/BulldozersGenericStorage.cs

@@ -1,5 +1,6 @@
 using Bulldozer.DrawingObjects;
 using Bulldozer.MovementStrategy;
+using System.Text;
 
 namespace Bulldozer.Generics
 {
@@ -66,12 +67,10 @@ namespace Bulldozer.Generics
         /// </summary>
         /// <param name="ind"></param>
         /// <returns></returns>
-        public BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer>?
+        public BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer> ? this[string ind]
-        this[string ind]
         {
             get
             {
-                // TODO: Продумать логику получения набора
                 if (_bulldozerStorages.ContainsKey(ind))
                 {
                     return _bulldozerStorages[ind];
@@ -82,6 +81,104 @@ namespace Bulldozer.Generics
                 }
             }
         }
+        /// 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>
+        /// 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 (File.Exists(filename))
+            {
+                File.Delete(filename);
+            }
+            StringBuilder data = new();
+            foreach (KeyValuePair<string, BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer>> record in _bulldozerStorages)
+            {
+                StringBuilder records = new();
+                foreach (DrawingBulldozer? elem in record.Value.GetBulldozers)
+                {
+                    records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
+                }
+                data.AppendLine($"{record.Key}{_separatorForKeyValue}{records}");
+            }
+            if (data.Length == 0)
+            {
+                return false;
+            }
+            using FileStream fs = new(filename, FileMode.Create);
+            byte[] info = new UTF8Encoding(true).GetBytes($"BulldozerStorage{Environment.NewLine}{data}");
+            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);
+                }
+            }
+            var strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+            if (strs == null || strs.Length == 0)
+            {
+                return false;
+            }
+            if (!strs[0].StartsWith("BulldozerStorage"))
+            {
+                return false;
+            }
+            _bulldozerStorages.Clear();
+            foreach (string data in strs)
+            {
+                string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+                if (record.Length != 2)
+                {
+                    continue;
+                }
+                BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer> collection = new(_pictureWidth, _pictureHeight);
+                string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
+                
+                foreach (string elem in set)
+                {
+                    DrawingBulldozer? bulldozer = elem?.CreateDrawingBulldozer(_separatorForObject, _pictureWidth, _pictureHeight);
+                    if (bulldozer != null)
+                    {
+                        if ((collection + bulldozer) == -1)
+                        {
+                            return false;
+                        }
+                    }
+                }
+                _bulldozerStorages.Add(record[0], collection);
+            }
+            return true;
+        }
+    }
 }