//Books
private void showAllBooks()
{
Console.Clear();
index = 0;
List <UI.MenuItem> menuItems = new List <UI.MenuItem>();
UI.MenuItem backButton = new MenuSeparator()
{
Y = ItemPosition.Y += 3,
Text = "Back",
Width = 10,
Action = () => back()
};
menuItems.Add(backButton);
int tmpIndex = 0;
foreach (var b in data.library.Books)
{
UI.MenuItem book = new MenuSeparator
{
Y = ItemPosition.Y += 3,
Text = b.Title,
Width = 70,
Index = tmpIndex,
LinkMenu = new BookMenu
{
book = b,
Title = $"Книга {b.Title}",
MenuItems = new List <UI.MenuItem>()
{
new MenuSeparator {
Text = "Низад", Action = () => back()
},
new MenuSeparator {
Text = "Удалить книгу", Action = () => removeBook(b)
}
}
}
};
++tmpIndex;
menuItems.Add(book);
}
UI.Menu books = new UI.Menu {
Title = "Все книги", MenuItems = menuItems
};
history.Push(activeMenu);
activeMenu = books;
}
//Library Desc
private void showLibDesc()
{
index = 0;
List <UI.MenuItem> menuItems = new List <UI.MenuItem>();
UI.MenuItem backButton = new MenuSeparator()
{
Y = ItemPosition.Y += 3,
Text = "Back",
Width = 10,
Action = () => back()
};
menuItems.Add(backButton);
var library = data.GetLibrary();
UI.Menu desc = new DescriptionMenu {
Library = library, Title = "Описание", MenuItems = menuItems
};
history.Push(activeMenu);
activeMenu = desc;
}
public void Start()
{
while (true)
{
ItemPosition.Reset();
activeMenu.Run();
for (int i = 0; i < activeMenu.MenuItems.Count; i++)
{
if (i == index)
{
activeMenu.MenuItems[i].Index = i;
activeMenu.MenuItems[i].IsHover = true;
activeMenu.MenuItems[i].Draw();
}
else
{
activeMenu.MenuItems[i].Index = i;
activeMenu.MenuItems[i].IsHover = false;
activeMenu.MenuItems[i].Draw();
}
}
ConsoleKey key = Console.ReadKey().Key;
switch (key)
{
case ConsoleKey.UpArrow:
{
if (index == 0)
{
index = activeMenu.MenuItems.Count - 1;
}
else
{
index--;
}
break;
}
case ConsoleKey.DownArrow:
{
if (index == activeMenu.MenuItems.Count - 1)
{
index = 0;
}
else
{
index++;
}
break;
}
case ConsoleKey.Enter:
{
var item = activeMenu.MenuItems[index];
if (item.LinkMenu != null)
{
Console.Clear();
index = 0;
indexHistory.Push(item.Index);
history.Push(activeMenu);
activeMenu = item.LinkMenu;
activeMenu.Run();
}
else
{
Console.Clear();
//index = 0;
if (item.Index > 0)
{
indexHistory.Push(item.Index);
}
item.Action?.Invoke();
}
}
break;
}
}
}
private void back()
{
index = indexHistory.Pop();
activeMenu = history.Pop();
}
public Manager(IDataBase data)
{
this.data = data;
history = new Stack <UI.Menu>();
indexHistory = new Stack <int>();
index = 0;
//Книги
List <UI.MenuItem> booksMenuItems = new List <UI.MenuItem>()
{
new MenuSeparator()
{
Text = "Назад", Width = 10, Action = () => back()
},
new MenuSeparator()
{
Text = "Показать все книги", Action = () => showAllBooks()
},
new MenuSeparator()
{
Text = "Добавить книгу", Action = () => addBook()
}
};
var booksMenu = new UI.Menu()
{
Title = "Меню книг", MenuItems = booksMenuItems
};
//Описание
List <UI.MenuItem> descMenuitems = new List <UI.MenuItem>()
{
new MenuSeparator()
{
Text = "Назад", Width = 10, Action = () => back()
}
};
var descMenu = new DescriptionMenu()
{
Title = "Описание: ",
MenuItems = descMenuitems
};
//Main
List <UI.MenuItem> mainMenuItems = new List <UI.MenuItem>()
{
new MenuSeparator()
{
Text = "Книги", LinkMenu = booksMenu
},
new MenuSeparator()
{
Text = "Информация о библиотеке", Action = () => showLibDesc()
},
new MenuSeparator()
{
Text = "Выход", Width = 10, Action = () => close()
}
};
var mainMenu = new UI.Menu()
{
Title = "Главное меню", MenuItems = mainMenuItems
};
activeMenu = mainMenu;
}