лабораторная работа 6

ProjectCar/ProjectCar/CollectionGenericObjects/AbstractCompany.cs

@@ -53,7 +53,7 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
 
     /// <summary>

ProjectCar/ProjectCar/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -1,4 +1,5 @@
-using System;
+using ProjectGasMachine.CollectionGenericObjects;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -21,7 +22,7 @@ public interface ICollectionGenericObjects<T>
     /// <summary>
     /// Установка максимального количества элементов
     /// </summary>
-    int SetMaxCount { set; }
+    int MaxCount { get; set; }
 
     /// <summary>
     /// Добавление объекта в коллекцию
@@ -51,4 +52,15 @@ 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();
 }

ProjectCar/ProjectCar/CollectionGenericObjects/ListGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace ProjectGasMachine.CollectionGenericObjects;
+
+namespace ProjectGasMachine.CollectionGenericObjects;
 
 /// <summary>
 /// Параметризованный набор объектов
@@ -19,7 +20,10 @@ 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
@@ -73,4 +77,12 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
 
         return obj;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
 }

ProjectCar/ProjectCar/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
-namespace ProjectGasMachine.CollectionGenericObjects;
+
+namespace ProjectGasMachine.CollectionGenericObjects;
 
 /// <summary>
 /// Параметризованный набор объектов
@@ -15,8 +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)
@@ -33,6 +39,8 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         }
     }
 
+    public CollectionType GetCollectionType => CollectionType.Massive;
+
     /// <summary>
     /// конструктор
     /// </summary>
@@ -110,4 +118,12 @@ 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];
+        }
+    }
 }

ProjectCar/ProjectCar/CollectionGenericObjects/StorageCollection.cs

@@ -1,11 +1,13 @@
-namespace ProjectGasMachine.CollectionGenericObjects;
+using ProjectGasMachine.Drawnings;
+
+namespace ProjectGasMachine.CollectionGenericObjects;
 
 /// <summary>
 /// класс-хранилище
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-    where T : class
+    where T : DrawningMachine
 {
     /// <summary>
     /// словарь (хранилище) с коллекциями
@@ -17,6 +19,19 @@ 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>
@@ -80,4 +95,135 @@ public class StorageCollection<T>
         }
     }
 
+
+    /// <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);
+        }
+
+        using (StreamWriter sw = new StreamWriter(filename))
+        {
+            sw.Write(_collectionKey);
+
+            foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+            {
+                sw.Write(Environment.NewLine);
+                // не сохраняем пустые коллекции
+                if (value.Value.Count == 0)
+                {
+                    continue;
+                }
+
+                sw.Write(value.Key);
+                sw.Write(_separatorForKeyValue);
+                sw.Write(value.Value.GetCollectionType);
+                sw.Write(_separatorForKeyValue);
+                sw.Write(value.Value.MaxCount);
+                sw.Write(_separatorForKeyValue);
+
+                foreach (T? item in value.Value.GetItems())
+                {
+                    string data = item?.GetDataForSave() ?? string.Empty;
+
+                    if (string.IsNullOrEmpty(data))
+                    {
+                        continue;
+                    }
+                    sw.Write(data);
+                    sw.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 sr = new(filename))
+        {
+            string line = sr.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 = sr.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?.CreateDrawningMachine() is T machine)
+                    {
+                        if (collection.Insert(machine) == -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,
+        };
+    }
+
 }

ProjectCar/ProjectCar/Drawnings/DrawningGasMachine.cs

@@ -23,6 +23,15 @@ public class DrawningGasMachine : DrawningMachine
         EntityGas = new EntityMachine(speed, weight, bodyColor, additionalColor, gas, beacon);
     }
 
+    /// <summary>
+    /// Конструктор для класса Extention
+    /// </summary>
+    /// <param name="gasmachine"></param>
+    public DrawningGasMachine(EntityGas? gasmachine) : base(gasmachine)
+    {
+        EntityGas = gasmachine;
+    }
+
 
     public override void DrawTransport(Graphics g)
     {

ProjectCar/ProjectCar/Drawnings/DrawningMachine.cs

@@ -97,6 +97,18 @@ public class DrawningMachine
         _drawningMachineWidth = drawningMachineWidth;
         _pictureHeight = drawningMachineHeight;
     }
+
+
+    /// <summary>
+    /// Конструктор для класса Extention
+    /// </summary>
+    /// <param name="machine"></param>
+    public DrawningMachine(EntityGas? machine) : this()
+    {
+        EntityGas = machine;
+    }
+
+
     /// <summary>
     /// Установка границ поля 
     /// </summary>

ProjectCar/ProjectCar/Drawnings/ExtentionDrawningGas.cs

@@ -0,0 +1,56 @@
+using ProjectGasMachine.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectGasMachine.Drawnings;
+
+public static class ExtentionDrawningGas
+{
+    /// <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 DrawningMachine? CreateDrawningMachine(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+        EntityGas? machine = EntityMachine.CreateEntityMachine(strs);
+        if (machine != null)
+        {
+            return new DrawningGasMachine(machine);
+        }
+
+        machine = EntityGas.CreateEntityGas(strs);
+        if (machine != null)
+        {
+            return new DrawningMachine(machine);
+        }
+
+        return null;
+    }
+
+    /// <summary>
+    /// Получение данных для сохранения в файл
+    /// </summary>
+    /// <param name="drawningMachine">Сохраняемый объект</param>
+    /// <returns>Строка с данными по объекту</returns>
+    public static string GetDataForSave(this DrawningMachine drawningMachine)
+    {
+        string[]? array = drawningMachine?.EntityGas?.GetStringRepresentation();
+
+        if (array == null)
+        {
+            return string.Empty;
+        }
+
+        return string.Join(_separatorForObject, array);
+    }
+}

ProjectCar/ProjectCar/Entities/EntityGas.cs

@@ -51,4 +51,29 @@ public class EntityGas
     {
         BodyColor = newColor;
     }
+
+
+    /// <summary>
+    /// Получение строк со значениями свойств объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityGas), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityGas? CreateEntityGas(string[] strs)
+    {
+        if (strs.Length != 4 || strs[0] != nameof(EntityGas))
+        {
+            return null;
+        }
+
+        return new EntityGas(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+    }
 }

ProjectCar/ProjectCar/Entities/EntityMachine.cs

@@ -36,4 +36,34 @@ public class EntityMachine : EntityGas
     {
         AdditionalColor = newColor;
     }
+
+    public override string[] GetStringRepresentation()
+    {
+        return new[]
+        {
+            nameof(EntityMachine),
+            Speed.ToString(),
+            Weight.ToString(),
+            BodyColor.Name,
+            AdditionalColor.Name,
+            Gas.ToString(),
+            Beacon.ToString(),
+        };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityMachine? CreateEntityMachine(string[] strs)
+    {
+        if (strs.Length != 7 || strs[0] != nameof(EntityMachine))
+        {
+            return null;
+        }
+
+        return new EntityMachine(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]),
+            Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]));
+    }
 }

ProjectCar/ProjectCar/FormGasMachineCollection.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(727, 0);
+            groupBoxTools.Location = new Point(727, 24);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(196, 543);
+            groupBoxTools.Size = new Size(196, 519);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Инструменты";
@@ -77,13 +84,13 @@
             panelCompanyTools.Enabled = false;
             panelCompanyTools.Location = new Point(3, 323);
             panelCompanyTools.Name = "panelCompanyTools";
-            panelCompanyTools.Size = new Size(190, 217);
+            panelCompanyTools.Size = new Size(190, 193);
             panelCompanyTools.TabIndex = 9;
             // 
             // buttonAddMachine
             // 
             buttonAddMachine.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonAddMachine.Location = new Point(10, 14);
+            buttonAddMachine.Location = new Point(10, 3);
             buttonAddMachine.Name = "buttonAddMachine";
             buttonAddMachine.Size = new Size(174, 33);
             buttonAddMachine.TabIndex = 2;
@@ -93,7 +100,7 @@
             // 
             // maskedTextBoxPosition
             // 
-            maskedTextBoxPosition.Location = new Point(3, 83);
+            maskedTextBoxPosition.Location = new Point(3, 42);
             maskedTextBoxPosition.Mask = "00";
             maskedTextBoxPosition.Name = "maskedTextBoxPosition";
             maskedTextBoxPosition.Size = new Size(184, 23);
@@ -103,7 +110,7 @@
             // buttonRefresh
             // 
             buttonRefresh.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonRefresh.Location = new Point(10, 185);
+            buttonRefresh.Location = new Point(10, 152);
             buttonRefresh.Name = "buttonRefresh";
             buttonRefresh.Size = new Size(174, 32);
             buttonRefresh.TabIndex = 7;
@@ -114,7 +121,7 @@
             // buttonRemoveMachine
             // 
             buttonRemoveMachine.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonRemoveMachine.Location = new Point(10, 112);
+            buttonRemoveMachine.Location = new Point(10, 71);
             buttonRemoveMachine.Name = "buttonRemoveMachine";
             buttonRemoveMachine.Size = new Size(174, 32);
             buttonRemoveMachine.TabIndex = 5;
@@ -125,7 +132,7 @@
             // buttonGoToCheck
             // 
             buttonGoToCheck.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
-            buttonGoToCheck.Location = new Point(10, 150);
+            buttonGoToCheck.Location = new Point(10, 109);
             buttonGoToCheck.Name = "buttonGoToCheck";
             buttonGoToCheck.Size = new Size(174, 29);
             buttonGoToCheck.TabIndex = 6;
@@ -240,12 +247,52 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(727, 543);
+            pictureBox.Size = new Size(727, 519);
             pictureBox.TabIndex = 3;
             pictureBox.TabStop = false;
             // 
+            // menuStrip
+            // 
+            menuStrip.Items.AddRange(new ToolStripItem[] { FileToolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(923, 24);
+            menuStrip.TabIndex = 4;
+            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.Filter = "txt file | *.txt";
+            // 
             // FormGasMachineCollection
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
@@ -253,6 +300,8 @@
             ClientSize = new Size(923, 543);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "FormGasMachineCollection";
             Text = "Коллекция газовозов";
             groupBoxTools.ResumeLayout(false);
@@ -261,7 +310,10 @@
             panelStorage.ResumeLayout(false);
             panelStorage.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -284,5 +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;
     }
 }

ProjectCar/ProjectCar/FormGasMachineCollection.cs

@@ -250,5 +250,46 @@ namespace ProjectGasMachine
             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 прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    RerfreshListBoxItems();
+                }
+                else
+                {
+                    MessageBox.Show("Не загрузилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
     }
 }

ProjectCar/ProjectCar/FormGasMachineCollection.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>