protected override bool TryGetResult(out string result)
{
var keyInfo = ConsoleDriver.ReadKey();
if (keyInfo.Key == ConsoleKey.Enter)
{
result = _inputBuffer.ToString();
if (TryValidate(result, _validators))
{
return(true);
}
}
else if (keyInfo.Key == ConsoleKey.Backspace)
{
if (_inputBuffer.Length == 0)
{
ConsoleDriver.Beep();
}
else
{
_inputBuffer.Length -= 1;
}
}
else if (!char.IsControl(keyInfo.KeyChar))
{
_inputBuffer.Append(keyInfo.KeyChar);
}
result = null;
return(false);
}
protected override bool TryGetResult(out T result)
{
var keyInfo = ConsoleDriver.ReadKey();
switch (keyInfo.Key)
{
case ConsoleKey.Enter when _selector.TryGetSelectedItem(out result):
return(true);
case ConsoleKey.Enter:
Renderer.SetValidationResult(new ValidationResult("Value is required"));
break;
case ConsoleKey.UpArrow:
_selector.PreviousItem();
break;
case ConsoleKey.DownArrow:
_selector.NextItem();
break;
case ConsoleKey.LeftArrow:
_selector.PreviousPage();
break;
case ConsoleKey.RightArrow:
_selector.NextPage();
break;
case ConsoleKey.Backspace when _filterBuffer.Length == 0:
ConsoleDriver.Beep();
break;
case ConsoleKey.Backspace:
_filterBuffer.Length -= 1;
_selector.UpdateFilter(_filterBuffer.ToString());
break;
default:
{
if (!char.IsControl(keyInfo.KeyChar))
{
_filterBuffer.Append(keyInfo.KeyChar);
_selector.UpdateFilter(_filterBuffer.ToString());
}
break;
}
}
result = default;
return(false);
}
protected override bool TryGetResult(out T result)
{
var keyInfo = ConsoleDriver.ReadKey();
if (keyInfo.Key == ConsoleKey.Enter)
{
if (_selector.IsSelected)
{
result = _selector.SelectedItem;
return(true);
}
Renderer.SetValidationResult(new ValidationResult("Value is required"));
}
else if (keyInfo.Key == ConsoleKey.UpArrow)
{
_selector.PreviousItem();
}
else if (keyInfo.Key == ConsoleKey.DownArrow)
{
_selector.NextItem();
}
else if (keyInfo.Key == ConsoleKey.LeftArrow)
{
_selector.PreviousPage();
}
else if (keyInfo.Key == ConsoleKey.RightArrow)
{
_selector.NextPage();
}
else if (keyInfo.Key == ConsoleKey.Backspace)
{
if (_filterBuffer.Length == 0)
{
ConsoleDriver.Beep();
}
else
{
_filterBuffer.Length -= 1;
_selector.UpdateFilter(_filterBuffer.ToString());
}
}
else if (!char.IsControl(keyInfo.KeyChar))
{
_filterBuffer.Append(keyInfo.KeyChar);
_selector.UpdateFilter(_filterBuffer.ToString());
}
result = default;
return(false);
}
protected override bool TryGetResult(out string result)
{
var keyInfo = ConsoleDriver.ReadKey();
switch (keyInfo.Key)
{
case ConsoleKey.Enter:
{
result = _inputBuffer.ToString();
if (TryValidate(result, _options.Validators))
{
return(true);
}
break;
}
case ConsoleKey.Backspace when _inputBuffer.Length == 0:
ConsoleDriver.Beep();
break;
case ConsoleKey.Backspace:
_inputBuffer.Length -= 1;
break;
default:
{
if (!char.IsControl(keyInfo.KeyChar))
{
_inputBuffer.Append(keyInfo.KeyChar);
}
break;
}
}
result = null;
return(false);
}
protected override bool TryGetResult(out IEnumerable <T> result)
{
var keyInfo = ConsoleDriver.ReadKey();
switch (keyInfo.Key)
{
case ConsoleKey.Enter when _selectedItems.Count >= _minimum:
result = _selectedItems;
return(true);
case ConsoleKey.Enter:
Renderer.SetValidationResult(new ValidationResult($"A minimum selection of {_minimum} items is required"));
break;
case ConsoleKey.Spacebar when _paginator.TryGetSelectedItem(out var currentItem):
{
if (_selectedItems.Contains(currentItem))
{
_selectedItems.Remove(currentItem);
}
else
{
_selectedItems.Add(currentItem);
}
break;
}
case ConsoleKey.UpArrow:
_paginator.PreviousItem();
break;
case ConsoleKey.DownArrow:
_paginator.NextItem();
break;
case ConsoleKey.LeftArrow:
_paginator.PreviousPage();
break;
case ConsoleKey.RightArrow:
_paginator.NextPage();
break;
case ConsoleKey.Backspace when _filterBuffer.Length == 0:
ConsoleDriver.Beep();
break;
case ConsoleKey.Backspace:
_filterBuffer.Length -= 1;
_paginator.UpdateFilter(_filterBuffer.ToString());
break;
default:
{
if (!char.IsControl(keyInfo.KeyChar))
{
_filterBuffer.Append(keyInfo.KeyChar);
_paginator.UpdateFilter(_filterBuffer.ToString());
}
break;
}
}
result = null;
return(false);
}
protected override bool TryGetResult(out T result)
{
var keyInfo = ConsoleDriver.ReadKey();
switch (keyInfo.Key)
{
case ConsoleKey.Enter:
{
var input = _inputBuffer.ToString();
try
{
if (string.IsNullOrEmpty(input))
{
if (_targetType.IsValueType && _underlyingType == null && _defaultValue == null)
{
Renderer.SetValidationResult(new ValidationResult("Value is required"));
result = default;
return(false);
}
result = (T)_defaultValue;
}
else
{
result = (T)Convert.ChangeType(input, _underlyingType ?? _targetType);
}
if (!TryValidate(result, _validators))
{
result = default;
return(false);
}
return(true);
}
catch (Exception ex)
{
Renderer.SetException(ex);
}
break;
}
case ConsoleKey.LeftArrow when _startIndex > 0:
_startIndex -= 1;
break;
case ConsoleKey.LeftArrow:
ConsoleDriver.Beep();
break;
case ConsoleKey.RightArrow when _startIndex < _inputBuffer.Length:
_startIndex += 1;
break;
case ConsoleKey.RightArrow:
ConsoleDriver.Beep();
break;
case ConsoleKey.Backspace when _startIndex > 0:
_startIndex -= 1;
_inputBuffer.Remove(_startIndex, 1);
break;
case ConsoleKey.Backspace:
ConsoleDriver.Beep();
break;
case ConsoleKey.Delete when _startIndex < _inputBuffer.Length:
_inputBuffer.Remove(_startIndex, 1);
break;
case ConsoleKey.Delete:
ConsoleDriver.Beep();
break;
default:
{
if (!char.IsControl(keyInfo.KeyChar))
{
_inputBuffer.Insert(_startIndex, keyInfo.KeyChar);
_startIndex += 1;
}
break;
}
}
result = default;
return(false);
}
protected override bool TryGetResult(out IEnumerable <T> result)
{
var keyInfo = ConsoleDriver.ReadKey();
if (keyInfo.Key == ConsoleKey.Enter)
{
if (_selectedItems.Count >= _minimum)
{
result = _selectedItems;
return(true);
}
Renderer.SetValidationResult(new ValidationResult($"A minimum selection of {_minimum} items is required"));
}
else if (keyInfo.Key == ConsoleKey.Spacebar)
{
var currentItem = _selector.SelectedItem;
if (currentItem == null)
{
result = null;
return(false);
}
if (_selectedItems.Contains(currentItem))
{
_selectedItems.Remove(currentItem);
}
else
{
_selectedItems.Add(currentItem);
}
}
else if (keyInfo.Key == ConsoleKey.UpArrow)
{
_selector.PreviousItem();
}
else if (keyInfo.Key == ConsoleKey.DownArrow)
{
_selector.NextItem();
}
else if (keyInfo.Key == ConsoleKey.LeftArrow)
{
_selector.PreviousPage();
}
else if (keyInfo.Key == ConsoleKey.RightArrow)
{
_selector.NextPage();
}
else if (keyInfo.Key == ConsoleKey.Backspace)
{
if (_filterBuffer.Length == 0)
{
ConsoleDriver.Beep();
}
else
{
_filterBuffer.Length -= 1;
_selector.UpdateFilter(_filterBuffer.ToString());
}
}
else if (!char.IsControl(keyInfo.KeyChar))
{
_filterBuffer.Append(keyInfo.KeyChar);
_selector.UpdateFilter(_filterBuffer.ToString());
}
result = null;
return(false);
}
