protected void DrawMenu(ConsoleMenu menu)
{
lock (LockUiObject)
{
Console.WriteLine();
DrawMenuTitle(menu.Title);
if (menu.MenuItems == null)
menu.MenuItems = new List<ConsoleMenuItem>();
// loop through items (adjusted for special items like exit)
for(var i = 0; i <= menu.MenuItems.Count; i++)
{
// exit item is first
var menuItem = i == 0
? menu.ExitMenuItem
: menu.MenuItems[i - 1];
// default to index value if no selection is provided
if (string.IsNullOrWhiteSpace(menuItem.MenuSelection))
menuItem.MenuSelection = i.ToString();
DrawMenuItem(menuItem);
}
}
}
protected ConsoleMenuItem WaitForMenuSelection(ConsoleMenu menu)
{
lock (LockUiObject)
{
Console.WriteLine();
Write("{0}> ", ConsoleColor.DarkGray, menu.Title);
}
var selection = (Console.ReadLine() ?? string.Empty).Trim();
var matchingItem = menu.MenuItems
.FirstOrDefault(m => m.MenuSelection.Equals(selection, StringComparison.InvariantCultureIgnoreCase));
if(matchingItem != null)
{
DrawSystemText(string.Format("Selected: {0}", matchingItem.Label));
Console.WriteLine();
if (matchingItem.Method != null)
matchingItem.Method(menu, matchingItem);
return matchingItem;
}
if(selection.Equals(menu.ExitMenuItem.MenuSelection, StringComparison.InvariantCultureIgnoreCase))
{
DrawSystemText(string.Format("Selected: {0}", menu.ExitMenuItem.Label));
Console.WriteLine();
return menu.ExitMenuItem;
}
DrawError("Invalid menu option.");
return null;
}
public void RunMenu(ConsoleMenu menu)
{
while (true)
{
DrawMenu(menu);
var selection = WaitForMenuSelection(menu);
if (selection == menu.ExitMenuItem)
break;
}
}
