🎨 new menu (selection) done

MCTG/ConsoleApp/Menu/IMenu.cs

@@ -1,4 +1,5 @@
-using System;
+using Model;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -18,6 +19,6 @@ namespace ConsoleApp.Menu
         void EnableWriteMode();
         void DisableWriteMode();
         void ToggleWriteMode();
-        void Return();
+        IMenu? Return();
     }
 }

MCTG/ConsoleApp/Menu/Menu.cs

@@ -20,8 +20,12 @@ namespace ConsoleApp.Menu
 
         private int _currentLine;
         public int CurrentLine {
-            get => _currentLine;
-            private set
+            get
+            {
+                if (_currentLine >= _selectList.Count) _currentLine = _selectList.Count - 1;
+                return _currentLine;
+            }
+            protected set
             {
                 _currentLine = value;
                 if (_currentLine <= 0) _currentLine = 0;
@@ -53,9 +57,21 @@ namespace ConsoleApp.Menu
             CurrentSelected = _selectList[0].Item;
         }
 
-        public abstract void Update();
+        public abstract IMenu? Return();
+
+        protected abstract List<Selector<T>> SearchInSelection();
+
+        public void Update()
+        {
+            _selectList = SearchInSelection();
 
-        public abstract void Return();
+            if (_selectList == null || _selectList.Count == 0)
+            {
+                CurrentSelected = default;
+                return;
+            }
+            CurrentSelected = _selectList[CurrentLine].Item;
+        }
 
         public virtual void Display()
         {
@@ -84,12 +100,14 @@ namespace ConsoleApp.Menu
             if (_selectList == null || _selectList.Count == 0)
                 _screenDisplay.AppendLine("Empty...");
 
+            _screenDisplay.AppendLine(
+                "\n\nHint:\n^:previous, v:next, <:ret, -enter-:select, r:search mode, -escape-:exit search mode");
             Console.WriteLine(_screenDisplay);
         }
 
-        public void SelectNext() => CurrentSelected = _selectList[CurrentLine++].Item;
+        public void SelectNext() => ++CurrentLine;
 
-        public void SelectPrevious() => CurrentSelected = _selectList[CurrentLine--].Item;
+        public void SelectPrevious() => --CurrentLine;
 
         public void EnableWriteMode() => WriteMode = true;
 

MCTG/ConsoleApp/Menu/PlainText.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp.Menu
+{
+    internal class PlainText : IMenu
+    {
+        public PlainText(string text)
+        {
+            InputStr = new StringBuilder(text);
+            WriteMode = false;
+        }
+
+        public IMenu? Return() { return null; }
+        public void Display()
+        {
+            Console.Clear();
+            Console.WriteLine(InputStr);
+        }
+
+        public bool WriteMode { get; set; }
+        public StringBuilder InputStr { get; set; }
+        public void DisableWriteMode() { return; }
+        public void EnableWriteMode() { return; }
+        public void SelectNext() { return; }
+        public void SelectPrevious() { return; }
+        public void ToggleWriteMode() { return; }
+        public void Update() { return; }
+    }
+}

MCTG/ConsoleApp/Menu/SearcherRecipe.cs

@@ -19,32 +19,30 @@ namespace ConsoleApp.Menu
         public SearcherRecipe(RecipeCollection recipeCollection) : base("Search recipe")
         {
             _recipeCollectionOnSearch = recipeCollection;
-            Update();
+            _selectList = SearchInSelection();
         }
 
         #region Methodes
-        public override void Update()
+        protected override List<Selector<Recipe>> SearchInSelection()
         {
-            RecipeCollection newRCSearchView = 
+            RecipeCollection newRCSearchView =
                 _recipeCollectionOnSearch.ResearchByName(InputStr.ToString());
 
-            _selectList.Clear();
-
+            List<Selector<Recipe>> newSelectors = new List<Selector<Recipe>>();
             foreach (Recipe recipe in newRCSearchView)
             {
-                _selectList.Add(new Selector<Recipe>(recipe, $"[{recipe.Id}]: {recipe.Title}"));
-            }
-            if (_selectList == null || _selectList.Count == 0)
-            {
-                CurrentSelected = null;
-                return;
+                newSelectors.Add(new Selector<Recipe>(recipe, $"[{recipe.Id}]: {recipe.Title}"));
             }
-            CurrentSelected = _selectList[0].Item;
+
+            return newSelectors;
         }
 
-        public override void Return()
+        public override IMenu? Return()
         {
-            Console.WriteLine(CurrentSelected);
+            if (CurrentSelected == null)
+                throw new Exception("Error: CurrentSelected is null.");
+
+            return new PlainText(CurrentSelected.ToString());
         }
         #endregion
     }

MCTG/ConsoleApp/MenuManager.cs

@@ -22,18 +22,29 @@ namespace ConsoleApp
 
         private void WriteMenuMode(Menu.IMenu menu, ConsoleKeyInfo cki)
         {
-            if (!menu.WriteMode)
+            if (!menu.WriteMode && cki.Key == ConsoleKey.R)
             {
+                menu.EnableWriteMode();
                 return;
             }
 
-            if (cki.Key == ConsoleKey.Backspace && menu.InputStr.Length > 0)
+            if (menu.WriteMode)
             {
-                menu.InputStr.Remove(menu.InputStr.Length-1, 1);
-                return;
-            }
+                if (cki.Key == ConsoleKey.Escape)
+                {
+                    menu.DisableWriteMode();
+                    menu.InputStr.Clear();
+                    return;
+                }
 
-            menu.InputStr.Append(cki.KeyChar);
+                if (cki.Key == ConsoleKey.Backspace && menu.InputStr.Length > 0)
+                {
+                    menu.InputStr.Remove(menu.InputStr.Length - 1, 1);
+                    return;
+                }
+
+                menu.InputStr.Append(cki.KeyChar);
+            }
         }
 
         public void Loop()
@@ -56,18 +67,18 @@ namespace ConsoleApp
                         menuOnHead.SelectPrevious();
                         break;
                     case ConsoleKey.Enter:
-                        menuOnHead.Return();
-                        MenuCallStack.Pop();
+                        Menu.IMenu? retMenu = menuOnHead.Return();
+                        if (retMenu is null) MenuCallStack.Pop();
+                        else MenuCallStack.Push(retMenu);
                         break;
-                    case ConsoleKey.R:
-                        menuOnHead.ToggleWriteMode();
+                    case ConsoleKey.LeftArrow:
+                        MenuCallStack.Pop();
                         break;
                     default:
                         WriteMenuMode(menuOnHead, cki);
                         break;
                 }
             } while (MenuCallStack.Count > 0);
-
         }
     }
 }