private static List <string> ResetDefaultValue(List <string> list, ConsoleListConfig config)
{
if (config?.DefaultAnswerPostfix == null)
{
return(list);
}
return(list.Select(e => e.Contains(config.DefaultAnswerPostfix)
? e.Replace(config.DefaultAnswerPostfix, "")
: e)
.ToList());
}
private static List <string> MoveDefaultValueFromTop(List <string> list, ConsoleListConfig config)
{
if (config?.DefaultAnswer == null)
{
return(list);
}
string defaultValue = config.DefaultAnswer;
string postfix = config.DefaultAnswerPostfix ?? "";
return(MoveValueFromTop(list, defaultValue, postfix));
}
public static List <string> ChooseMultipleOptionsFromList(IEnumerable <string> options, ConsoleListConfig config = null)
{
var names = options as List <string> ?? options.ToList();
var result = new List <string>();
if (config?.Prompt != null)
{
Console.WriteLine(config.Prompt);
}
var selector = config?.Selector ?? "√";
var selectorSpace = new string(' ', selector.Length);
var topList = Console.CursorTop;
var position = 0;
var applyAnswer = config?.ApplyAnswer ?? "[Apply]";
var selectAllAnswer = config?.SelectAllAnswer ?? "[Select All]";
names.Add(selectAllAnswer);
names = MoveValueFromTop(names, selectAllAnswer);
names.Add(applyAnswer);
names.ForEach(s => Console.WriteLine(selectorSpace + s));
Console.CursorTop = topList;
Console.Write($"{selectorSpace}{names[position]}");
Console.CursorLeft = 0;
while (true)
{
var input = Console.ReadKey();
var isAlreadyContain = result.Contains(names[position]);
Console.CursorLeft = 0;
Console.Write($"{(isAlreadyContain ? selector : selectorSpace)}{names[position]}{selectorSpace}");
switch (input.Key)
{
case ConsoleKey.DownArrow:
{
InputKeyHandler(ref position, position < names.Count - 1, true);
}
break;
case ConsoleKey.UpArrow:
{
InputKeyHandler(ref position, position > 0, false);
}
break;
case ConsoleKey.Enter:
case ConsoleKey.Spacebar:
{
if (names[position] == applyAnswer)
{
CleanList(names, topList, selector, config?.DefaultAnswerPostfix);
Console.WriteLine($"{config?.BeforeAnswer ?? "Selected: "}{string.Join(config?.MultipleResultSeparator ?? ", ", result)}{config?.AfterAnswer}");
return(result);
}
if (names[position] == selectAllAnswer)
{
Console.CursorTop = topList + 1;
Console.CursorLeft = 0;
SelectAllAnswerHandler(names, result, applyAnswer, selectAllAnswer);
result.ForEach(a => Console.WriteLine(selector + a));
position = result.Count + 1;
break;
}
if (isAlreadyContain)
{
result.Remove(names[position]);
break;
}
result.Add(names[position]);
}
break;
}
Console.CursorLeft = 0;
Console.Write($"{(result.Contains(names[position]) ? selector : selectorSpace)}{names[position]}");
Console.CursorLeft = 0;
}
}
public static string ChooseOptionFromList(IEnumerable <string> options, ConsoleListConfig config = null)
{
var names = options as List <string> ?? options.ToList();
if (config?.Prompt != null)
{
Console.WriteLine(config.Prompt);
}
names = MoveDefaultValueFromTop(names, config);
var selector = config?.Selector ?? ">";
var topList = Console.CursorTop;
var position = 0;
names.ForEach(Console.WriteLine);
Console.CursorTop = topList;
Console.Write($"{selector}{names[position]}");
Console.CursorLeft = 0;
while (true)
{
var input = Console.ReadKey();
Console.CursorLeft = 0;
Console.Write($"{names[position]}{new string(' ', selector.Length)}");
switch (input.Key)
{
case ConsoleKey.DownArrow:
{
InputKeyHandler(ref position, position < names.Count - 1, true);
}
break;
case ConsoleKey.UpArrow:
{
InputKeyHandler(ref position, position > 0, false);
}
break;
case ConsoleKey.Enter:
{
if (names[position] != config?.DisabledAnswer)
{
names = ResetDefaultValue(names, config);
CleanList(names, topList, selector, config?.DefaultAnswerPostfix);
var result = string.IsNullOrEmpty(config?.DefaultAnswerPostfix)
? names[position]
: names[position].Replace(config.DefaultAnswerPostfix, "");
Console.WriteLine($"{config?.BeforeAnswer}{result}{config?.AfterAnswer}");
return(result);
}
}
break;
}
Console.CursorLeft = 0;
Console.Write($"{selector}{names[position]}");
Console.CursorLeft = 0;
}
}
