/// <summary>
/// Clears Cosole Screen and draws menu of provided options
/// </summary>
/// <typeparam name="TReturnType"></typeparam>
/// <param name="menu"></param>
/// <param name="brush"></param>
/// <returns></returns>
public async Task <TReturnType> AskUser <TReturnType>(Menu <TReturnType> menu, PaintBrush brush)
{
logger.Trace($"Method {nameof(AskUser)} called");
Console.Clear();
brush.RenderMenu(menu);
ConsoleKey key;
do
{
key = await Task.Run(() => Console.ReadKey(true).Key);
switch (key)
{
case ConsoleKey.UpArrow:
{
int newIndex = menu.Choices.ToList().IndexOf(menu.SelectedChoice) - 1;
// overflow validation
// todo implement "rotating option for Menu model" (if selected q is 0 and direction is UP select last q and vise versa)
if (newIndex < 0)
{
continue;
}
brush.DeselectChoice(menu);
menu.SelectedChoice = menu.Choices.ToList()[newIndex];
brush.SelectChoice(menu);
break;
}
case ConsoleKey.DownArrow:
{
int newIndex = menu.Choices.ToList().IndexOf(menu.SelectedChoice) + 1;
// todo implement "rotating option for Menu model" (if selected q is 0 and direction is UP select last q and vise versa)
if (newIndex >= menu.Choices.Count)
{
continue;
}
brush.DeselectChoice(menu);
menu.SelectedChoice = menu.Choices.ToList()[newIndex];
brush.SelectChoice(menu);
break;
}
}
} while (key != ConsoleKey.Enter);
Console.Clear();
logger.Trace($"Method {nameof(AskUser)} ended");
return(menu.SelectedChoice.Key);
}
private void SelectNewOption <TReturnType>(Menu <TReturnType> menu, PaintBrush brush, int newIndex)
{
lock (consoleGuardian)
{
brush.DeselectChoice(menu);
}
menu.SelectedChoice = menu.Choices.ToList()[newIndex];
lock (consoleGuardian)
{
brush.SelectChoice(menu);
}
}
