Лабораторная работа №6

ProjectAccordionBus/ProjectAccordionBus/CollectionGenericObjects/AbstractCompany.cs

@@ -33,11 +33,7 @@ public abstract class AbstractCompany
 
     public static int operator +(AbstractCompany company, DrawningBus bus)
     {
-        if (company._collection.Insert(bus))
-        {
-            return 1;
-        }
-        return 0;
+        return company._collection.Insert(bus);
     }
 
     public static DrawningBus operator -(AbstractCompany company, int position)

ProjectAccordionBus/ProjectAccordionBus/CollectionGenericObjects/ICollectionGenericObjects.cs

@@ -29,14 +29,14 @@ public interface ICollectionGenericObjects<T>
     /// </summary>
     /// <param name="obj"></param>
     /// <returns></returns>
-   bool Insert(T obj);
+   int Insert(T obj);
 
     /// <summary>
     /// Добавление объекта в коллекцию
     /// </summary>
     /// <param name="obj">Добавляемый объект</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    bool Insert(T obj, int position);
+    int Insert(T obj, int position);
 
     /// <summary>
     /// Удаление объекта из коллекции с конкретной позиции 

ProjectAccordionBus/ProjectAccordionBus/CollectionGenericObjects/ListGenericObjects.cs

@@ -40,26 +40,26 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public bool Insert(T obj)
+    public int Insert(T obj)
     {
         if (Count == _maxCount)
         {
-            return false;
+            return -1;
         }
 
         _collection.Add(obj);
-        return true;
+        return Count;
     }
 
-    public bool Insert(T obj, int position)
+    public int Insert(T obj, int position)
     {
         if (Count == _maxCount || position < 0 || position > Count)
         {
-            return false;
+            return -1;
         }
 
         _collection.Insert(position, obj);
-        return true;
+        return 1;
     }
 
     public T? Remove(int position)

ProjectAccordionBus/ProjectAccordionBus/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -62,7 +62,7 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public bool Insert(T obj)
+    public int Insert(T obj)
     {
         int index = 0;
         while (index < _collection.Length)
@@ -70,18 +70,18 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             if (_collection[index] == null)
             {
                 _collection[index] = obj;
-                return true;
+                return 1;
             }
             index++;
         }
-        return false;
+        return -1;
     }
 
-    public bool Insert(T obj, int position)
+    public int Insert(T obj, int position)
     {
 
         if (position >= _collection.Length || position < 0)
-            return false;
+            return -1;
 
 
         if (_collection[position] != null)
@@ -99,7 +99,7 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             // Если пустого элемента нет, то выходим
             if (nullIndex < 0)
             {
-                return false;
+                return -1;
             }
             // сдвиг всех объектов, находящихся справа от позиции до первого пустого элемента
             int j = nullIndex - 1;
@@ -110,7 +110,7 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             }
         } 
         _collection[position] = obj;
-        return true;
+        return 1;
     }
 
     public T? Remove(int position)

ProjectAccordionBus/ProjectAccordionBus/CollectionGenericObjects/StorageCollection.cs

@@ -101,23 +101,23 @@ public class StorageCollection<T>
         {
             File.Delete(filename);
         }
-        StringBuilder sb = new();
-        sb.Append(_collectionKey);
-        foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in
-        _storages)
+        using FileStream fs = new(filename, FileMode.Create);
+        using StreamWriter sw = new StreamWriter(fs);
+        sw.Write(_collectionKey);
+        foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
         {
-            sb.Append(Environment.NewLine);
+            sw.Write(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);
+            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;
@@ -125,13 +125,10 @@ public class StorageCollection<T>
                 {
                     continue;
                 }
-                sb.Append(data);
-                sb.Append(_separatorItems);
+                sw.Write(data);
+                sw.Write(_separatorItems);
             }
         }
-        using FileStream fs = new(filename, FileMode.Create);
-        byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
-        fs.Write(info, 0, info.Length);
         return true;
     }
 
@@ -141,59 +138,55 @@ public class StorageCollection<T>
         {
             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)
+            using StreamReader sr = new StreamReader(fs);
+
+            string str = sr.ReadLine();
+            if (str == null || str.Length == 0)
             {
                 return false;
             }
-            if (!strs[0].Equals(_collectionKey))
+
+            if (!str.Equals(_collectionKey))
             {
-                //если нет такой записи, то это не те данные
                 return false;
             }
             _storages.Clear();
-            foreach (string data in strs)
+
+            while (!sr.EndOfStream)
             {
-                string[] record = data.Split(_separatorForKeyValue,
-                StringSplitOptions.RemoveEmptyEntries);
+                string[] record = sr.ReadLine().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);
+
+                string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
                 foreach (string elem in set)
                 {
                     if (elem?.CreateDrawningBus() is T bus)
                     {
-                        if (!collection.Insert(bus))
-                        {
+                        if (collection.Insert(bus) == -1)
                             return false;
                     }
                 }
-                }
                 _storages.Add(record[0], collection);
             }
+        }
         return true;
     }
+
     /// <summary>
     /// Создание коллекции по типу
     /// </summary>

ProjectAccordionBus/ProjectAccordionBus/Drawnings/DrawningAccordionBus.cs

@@ -36,6 +36,8 @@ public class DrawningAccordionBus : DrawningBus
 
         Brush brushBlue = new SolidBrush(Color.Blue);
         // отсек
+        if (accordionBus.Compartment)
+        {
             g.FillRectangle(additionalBrush, _startPosX.Value + 60, _startPosY.Value, 50, 30);
             g.FillRectangle(additionalBrush, _startPosX.Value + 50, _startPosY.Value + 5, 10, 20);
 
@@ -67,4 +69,5 @@ public class DrawningAccordionBus : DrawningBus
                 g.DrawEllipse(pen, _startPosX.Value + 90, _startPosY.Value + 5, 5, 10);
             }
         }
+    }
 }