лаба 6, осталось поменять filestream на reader и writer

DoubleDeckerBus/DoubleDeckerBus/CollectionGenericObjects/AbstractCompany.cs

@@ -55,7 +55,7 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
 
     /// <summary>

DoubleDeckerBus/DoubleDeckerBus/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -21,7 +21,7 @@ public interface ICollectionGenericObjects<T>
     /// <summary>
     /// Установка максимального кол-ва элементов
     /// </summary>
-    int SetMaxCount { set; }
+    int MaxCount { get; set; }
 
     /// <summary>
     /// Добавление объекта в коллекцию
@@ -51,4 +51,9 @@ public interface ICollectionGenericObjects<T>
     /// <param name="position">Позиция</param>
     /// <returns>Объект</returns>
     T? Get(int position);
+
+    CollectionType GetCollectionType { get; }
+
+    IEnumerable<T?> GetItems(); 
+
 }

DoubleDeckerBus/DoubleDeckerBus/CollectionGenericObjects/ListGenericObjects.cs

@@ -14,7 +14,20 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
     private int _maxCount;
     public int Count => _collection.Count;
 
-    public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
+    public int MaxCount { 
+
+        get => _maxCount;
+
+        set 
+        { 
+            if (value > 0) 
+            { 
+                _maxCount = value; 
+            } 
+        } 
+    }
+
+    public CollectionType GetCollectionType => CollectionType.List;
 
     public ListGenericObjects()
     {
@@ -88,4 +101,12 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         _collection.RemoveAt(position);
         return removed_object;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Count; i++)
+        {
+            yield return _collection[i];
+        }
+    }
 }

DoubleDeckerBus/DoubleDeckerBus/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -17,8 +17,13 @@ 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)
@@ -33,7 +38,11 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
                 }
             }
         }
+
     }
+
+    public CollectionType GetCollectionType => CollectionType.Massive;
+
     public MassiveGenericObjects()
     {
         _collection = Array.Empty<T?>();
@@ -98,4 +107,12 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         _collection[position] = null;
         return removed_object;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Length; i++)
+        {
+            yield return _collection[i];
+        }
+    }
 }

DoubleDeckerBus/DoubleDeckerBus/CollectionGenericObjects/StorageCollection.cs

@@ -1,4 +1,5 @@
-using System;
+using DoubleDeckerBus.Drawnings;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -11,7 +12,7 @@ namespace DoubleDeckerBus.CollectionGenericObjects;
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public class StorageCollection<T>
-    where T : class
+    where T : DrawingBus
 {   
     /// <summary>
     /// Словарь (хранилище) с коллекциями
@@ -23,6 +24,13 @@ public class StorageCollection<T>
     /// </summary>
     public List<string> Keys => _storages.Keys.ToList();
 
+    private readonly string _collectionKey = "CollectionsStorage";
+
+    private readonly string _separatorForKeyValue = "|";
+
+    private readonly string _separatorItems = ";";
+
+
     public StorageCollection()
     {
         _storages = new Dictionary<string, ICollectionGenericObjects<T>>();
@@ -69,4 +77,139 @@ public class StorageCollection<T>
             return null;
         }
     }
+
+    public bool SaveData(string filename)
+    {   
+        if (_storages.Count == 0)
+        {
+            return false;
+        }
+
+        if (File.Exists(filename))
+        {
+            File.Delete(filename);
+        }
+
+        StringBuilder sb = new();
+
+        sb.Append(_collectionKey);
+        foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
+        {
+            sb.Append(Environment.NewLine);
+            // не сохраняем пустые коллекции
+            if (value.Value.Count == 0)
+            {
+                continue;
+            }
+            sb.Append(value.Key);
+            sb.Append(_separatorForKeyValue);
+            sb.Append(value.Value.GetCollectionType);
+            sb.Append(_separatorForKeyValue);
+            sb.Append(value.Value.MaxCount);
+            sb.Append(_separatorForKeyValue);
+
+            foreach (T? item in value.Value.GetItems())
+            {
+                string data = item?.GetDataForSave() ?? string.Empty;
+                if (string.IsNullOrEmpty(data))
+                {
+                    continue;
+                }
+                sb.Append(data);
+                sb.Append(_separatorItems);
+            }
+        }
+
+        using FileStream fs = new(filename, FileMode.Create);
+        byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
+        fs.Write(info, 0, info.Length);
+        return true;
+
+    }
+
+    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);
+            }
+        }
+
+        string[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+
+        if (strs == null || strs.Length == 0)
+        {
+            return false;
+        }
+
+        if (!strs[0].Equals(_collectionKey))
+        {
+            //если нет такой записи, то это не те данные
+            return false;
+        }
+
+        _storages.Clear();
+
+        foreach (string data in strs)
+        {
+            string[] record = data.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?.CreateDrawningCar() is T car)
+                {
+                    if (collection.Insert(car) == -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,
+        };
+    }
 }

DoubleDeckerBus/DoubleDeckerBus/Drawnings/DrawingBus.cs

@@ -89,6 +89,11 @@ public class DrawingBus
         EntityBus = new EntityBus(speed, weight, bodyColor);
     }
 
+    public DrawingBus(EntityBus? entityBus) : this()
+    {
+        EntityBus = entityBus;
+    }
+
     /// <summary>
     /// Конструктор для наследников
     /// </summary>

DoubleDeckerBus/DoubleDeckerBus/Drawnings/DrawingDoubleDeckerBus.cs

@@ -20,6 +20,11 @@ public class DrawingDoubleDeckerBus : DrawingBus
         EntityBus = new EntityDoubleDeckerBus(speed, weight, bodyColor, additionalColor, secondFloor, stripes);
     }
 
+    public DrawingDoubleDeckerBus(EntityBus entityDoubleDeckerBus) : base(115, 55)
+    {
+        EntityBus = entityDoubleDeckerBus;
+    }
+
     public override void DrawTrasnport(Graphics g)
     {
         if (EntityBus == null || EntityBus is not EntityDoubleDeckerBus doubleDeckerBus || !_startPosX.HasValue || !_startPosY.HasValue )

DoubleDeckerBus/DoubleDeckerBus/Drawnings/ExtentionDrawingBus.cs

@@ -0,0 +1,43 @@
+using DoubleDeckerBus.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DoubleDeckerBus.Drawnings;
+
+public static class ExtentionDrawingBus
+{
+    private static readonly string _separatorForIbject = ":";
+
+    public static DrawingBus? CreateDrawningCar(this string info)
+    {
+        string[] strs = info.Split(_separatorForIbject);
+        EntityBus? bus = EntityDoubleDeckerBus.CreateEntityDoubleDeckerBus(strs);
+        if (bus != null)
+        {
+            return new DrawingDoubleDeckerBus(bus);
+        }
+
+        bus = EntityBus.CreateEntityBus(strs);
+        if (bus != null)
+        {
+            return new DrawingBus(bus);
+        }
+
+        return null;
+    }
+
+    public static string GetDataForSave(this DrawingBus drawingBus)
+    {
+        string[]? array = drawingBus?.EntityBus?.GetStringRepresentation();
+
+        if (array == null) 
+        {
+            return string.Empty;
+        }
+
+        return string.Join(_separatorForIbject, array);
+    }
+}

DoubleDeckerBus/DoubleDeckerBus/Entities/EntityBus.cs

@@ -48,4 +48,20 @@ public class EntityBus
         BodyColor = bodyColor;
     }
 
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityBus), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+    }
+
+    public static EntityBus? CreateEntityBus(string[] strs)
+    {
+        if (strs.Length != 4 || strs[0] != nameof(EntityBus))
+        {
+            return null;
+        }
+
+        return new EntityBus(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+    }
+
+    
 }

DoubleDeckerBus/DoubleDeckerBus/Entities/EntityDoubleDeckerBus.cs

@@ -36,4 +36,19 @@ public class EntityDoubleDeckerBus : EntityBus
     {
         AdditionalColor = additionalColor;
     }
+
+    public override string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityDoubleDeckerBus), Speed.ToString(), Weight.ToString(), BodyColor.Name, AdditionalColor.Name, SecondFloor.ToString(), Stripes.ToString() };
+    }
+
+    public static EntityDoubleDeckerBus? CreateEntityDoubleDeckerBus(string[] strs)
+    {
+        if (strs.Length != 7 || strs[0] != nameof(EntityDoubleDeckerBus))
+        {
+            return null;
+        }
+
+        return new EntityDoubleDeckerBus(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]), Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]));
+    }
 }

DoubleDeckerBus/DoubleDeckerBus/FormBusCollection.Designer.cs

@@ -46,10 +46,17 @@
             labelCollectionName = new Label();
             comboBoxSelectCompany = new ComboBox();
             pictureBox = new PictureBox();
+            menuStrip1 = new MenuStrip();
+            fileToolStripMenuItem = new ToolStripMenuItem();
+            saveToolStripMenuItem = new ToolStripMenuItem();
+            loadToolStripMenuItem = new ToolStripMenuItem();
+            openFileDialog = new OpenFileDialog();
+            saveFileDialog = new SaveFileDialog();
             groupBoxTools.SuspendLayout();
             panelCompanyTools.SuspendLayout();
             panelStorage.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
+            menuStrip1.SuspendLayout();
             SuspendLayout();
             // 
             // groupBoxTools
@@ -59,9 +66,9 @@
             groupBoxTools.Controls.Add(panelStorage);
             groupBoxTools.Controls.Add(comboBoxSelectCompany);
             groupBoxTools.Dock = DockStyle.Right;
-            groupBoxTools.Location = new Point(870, 0);
+            groupBoxTools.Location = new Point(870, 24);
             groupBoxTools.Name = "groupBoxTools";
-            groupBoxTools.Size = new Size(200, 626);
+            groupBoxTools.Size = new Size(200, 602);
             groupBoxTools.TabIndex = 0;
             groupBoxTools.TabStop = false;
             groupBoxTools.Text = "Tools";
@@ -75,7 +82,7 @@
             panelCompanyTools.Controls.Add(buttonGoToCheck);
             panelCompanyTools.Dock = DockStyle.Bottom;
             panelCompanyTools.Enabled = false;
-            panelCompanyTools.Location = new Point(3, 358);
+            panelCompanyTools.Location = new Point(3, 334);
             panelCompanyTools.Name = "panelCompanyTools";
             panelCompanyTools.Size = new Size(194, 265);
             panelCompanyTools.TabIndex = 16;
@@ -239,12 +246,52 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Fill;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 24);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(870, 626);
+            pictureBox.Size = new Size(870, 602);
             pictureBox.TabIndex = 1;
             pictureBox.TabStop = false;
             // 
+            // menuStrip1
+            // 
+            menuStrip1.Items.AddRange(new ToolStripItem[] { fileToolStripMenuItem });
+            menuStrip1.Location = new Point(0, 0);
+            menuStrip1.Name = "menuStrip1";
+            menuStrip1.Size = new Size(1070, 24);
+            menuStrip1.TabIndex = 2;
+            menuStrip1.Text = "menuStrip";
+            // 
+            // fileToolStripMenuItem
+            // 
+            fileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            fileToolStripMenuItem.Name = "fileToolStripMenuItem";
+            fileToolStripMenuItem.Size = new Size(37, 20);
+            fileToolStripMenuItem.Text = "File";
+            // 
+            // saveToolStripMenuItem
+            // 
+            saveToolStripMenuItem.Name = "saveToolStripMenuItem";
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.Size = new Size(180, 22);
+            saveToolStripMenuItem.Text = "Save";
+            saveToolStripMenuItem.Click += SaveToolStripMenuItem_Click;
+            // 
+            // loadToolStripMenuItem
+            // 
+            loadToolStripMenuItem.Name = "loadToolStripMenuItem";
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.Size = new Size(180, 22);
+            loadToolStripMenuItem.Text = "Load";
+            loadToolStripMenuItem.Click += LoadToolStripMenuItem_Click;
+            // 
+            // openFileDialog
+            // 
+            openFileDialog.Filter = "txt file|*.txt";
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file|*.txt";
+            // 
             // FormBusCollection
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
@@ -252,6 +299,8 @@
             ClientSize = new Size(1070, 626);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
+            Controls.Add(menuStrip1);
+            MainMenuStrip = menuStrip1;
             Name = "FormBusCollection";
             Text = "Bus collection";
             groupBoxTools.ResumeLayout(false);
@@ -260,7 +309,10 @@
             panelStorage.ResumeLayout(false);
             panelStorage.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip1.ResumeLayout(false);
+            menuStrip1.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -283,5 +335,11 @@
         private Button buttonCreateCompany;
         private Button buttonRemoveCollection;
         private Panel panelCompanyTools;
+        private MenuStrip menuStrip1;
+        private ToolStripMenuItem fileToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private OpenFileDialog openFileDialog;
+        private SaveFileDialog saveFileDialog;
     }
 }

DoubleDeckerBus/DoubleDeckerBus/FormBusCollection.cs

@@ -206,4 +206,37 @@ public partial class FormBusCollection : Form
 
         panelCompanyTools.Enabled = true;
     }
+
+    private void SaveToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (saveFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.SaveData(saveFileDialog.FileName))
+            {
+                MessageBox.Show("Save succeeded", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            }
+            else
+            {
+                MessageBox.Show("Unable to save", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+    }
+
+    private void LoadToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (openFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.LoadData(openFileDialog.FileName))
+            {
+                MessageBox.Show("Load succeeded", "Resilt", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                RefreshListBoxItems();
+            }
+            else
+            {
+                MessageBox.Show("Unable to load", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+    }
 }

DoubleDeckerBus/DoubleDeckerBus/FormBusCollection.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="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>132, 17</value>
+  </metadata>
+  <metadata name="saveFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>271, 17</value>
+  </metadata>
 </root>