create extension (ExtentionDrawingLocomotive)

ProjectElectricLocomotive/ProjectElectricLocomotive/ExtentionDrawningCar.cs

@@ -0,0 +1,79 @@
+using ProjectElectricLocomotive.DrawingObjects;
+using ProjectElectricLocomotive.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive
+{
+    /// <summary>
+    /// Расширение для класса EntityLocomotive
+    /// </summary>
+    public static class ExtentionDrawingLocomotive
+    {
+        /// <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 DrawingLocomotive? CreateDrawingLocomotive(this string info, char
+        separatorForObject, int width, int height)
+        {
+            string[] strs = info.Split(separatorForObject);
+            if (strs.Length == 3)
+            {
+                return new DrawingLocomotive(
+                    Convert.ToInt32(strs[0]),
+                    Convert.ToInt32(strs[1]), 
+                    Color.FromName(strs[2]), 
+                    width, 
+                    height
+                    );
+            }
+            if (strs.Length == 7)
+            {
+                return new DrawingElectricLocomotive(
+                    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 DrawingLocomotive drawningLoco, char separatorForObject)
+        {
+            var loco = drawningLoco.EntityLocomotive;
+            if (loco == null)
+            {
+                return string.Empty;
+            }
+            var str =
+            $"{loco.Speed}{separatorForObject}{loco.Weight}{separatorForObject}{loco.BodyColor.Name}";
+            if (loco is not EntityElectricLocomotive electroLoco)
+            {
+                return str;
+            }
+            return
+            $"{str}{separatorForObject}{electroLoco.AdditionalColor.Name}{separatorForObject}" +
+            $"{electroLoco.Horns}{separatorForObject}{electroLoco.SeifBatteries}" /*+
+            $"{separatorForObject}{electroLoco.SportLine}"*/;
+        }
+
+    }
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/FormLocomotiveCollections.cs

@@ -15,7 +15,6 @@ using System.Windows.Forms;
 
 namespace ProjectElectricLocomotive
 {
-    //create 6 branch
     public partial class FormLocomotiveCollections : Form
     {
         private readonly LocomotiveGenericStorage _storage;