Этап 2 - maps collection

Trolleybus/Trolleybus/MapsCollection.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Trolleybus
+{
+    internal class MapsCollection
+    {
+        /// Словарь (хранилище) с картами
+        readonly Dictionary<string, MapWithSetTrolleybusGeneric<DrawningObjectTrolleybus,
+        AbstractMap>> _mapStorages;
+        /// Возвращение списка названий карт
+        public List<string> Keys => _mapStorages.Keys.ToList();
+        /// Ширина окна отрисовки
+        private readonly int _pictureWidth;
+        /// Высота окна отрисовки
+        private readonly int _pictureHeight;
+        /// Конструктор
+        /// <param name="pictureWidth"></param>
+        /// <param name="pictureHeight"></param>
+        public MapsCollection(int pictureWidth, int pictureHeight)
+        {
+            _mapStorages = new Dictionary<string,
+            MapWithSetTrolleybusGeneric<DrawningObjectTrolleybus, AbstractMap>>();
+            _pictureWidth = pictureWidth;
+            _pictureHeight = pictureHeight;
+        }
+        /// Добавление карты
+        /// <param name="name">Название карты</param>
+        /// <param name="map">Карта</param>
+        public void AddMap(string name, AbstractMap map)
+        {
+            if (Keys.Contains(name))
+                return;
+            _mapStorages.Add(name, new(_pictureWidth, _pictureHeight, map));
+        }
+        /// Удаление карты
+        /// <param name="name">Название карты</param>
+        public void DelMap(string name)
+        {
+            _mapStorages.Remove(name);
+        }
+        /// Доступ к депо
+        /// <param name="ind"></param>
+        /// <returns></returns>
+        public MapWithSetTrolleybusGeneric<DrawningObjectTrolleybus, AbstractMap> this[string ind]
+        {
+            get
+            {
+                _mapStorages.TryGetValue(ind, out var mapWithSetTractorsGeneric);
+                return mapWithSetTractorsGeneric;
+            }
+        }
+    }
+}

Trolleybus/Trolleybus/Trolleybus.csproj

@@ -75,6 +75,7 @@
     </Compile>
     <Compile Include="AutoStopMap.cs" />
     <Compile Include="IDrawingObject.cs" />
+    <Compile Include="MapsCollection.cs" />
     <Compile Include="MapWithSetTrolleybusGeneric.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />