private void EvaluateCanMoveNext()
{
if (Prompts.Count != 0)
{
var newCanMoveNext = Prompts.IndexOf(SelectedPrompt) == Prompts.Count - 1 ? false : true;
if (newCanMoveNext != _canMoveNext)
{
_canMoveNext = newCanMoveNext;
MoveNext.RaiseCanExecuteChanged();
}
}
}
private void UserControl_KeyDown(object sender, KeyEventArgs e)
{
if (KeyValidator.IsUpKey(e.Key))
{
e.Handled = true;
MoveUp?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsDownKey(e.Key))
{
e.Handled = true;
MoveDown?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsLeftKey(e.Key))
{
e.Handled = true;
MoveLeft?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsRightKey(e.Key))
{
e.Handled = true;
MoveRight?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsPageDownKey(e.Key))
{
e.Handled = true;
MovePageDown?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsPageUpKey(e.Key))
{
e.Handled = true;
MovePageUp?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsDeleteKey(e.Key))
{
if (!ReadOnlyMode)
{
e.Handled = true;
ByteDeleted?.Invoke(this, new EventArgs());
return;
}
}
else if (KeyValidator.IsBackspaceKey(e.Key))
{
e.Handled = true;
ByteDeleted?.Invoke(this, new EventArgs());
MovePrevious?.Invoke(this, new EventArgs());
return;
}
else if (KeyValidator.IsEscapeKey(e.Key))
{
e.Handled = true;
EscapeKey?.Invoke(this, new EventArgs());
return;
}
//MODIFY BYTE
if (!ReadOnlyMode)
{
if (KeyValidator.IsHexKey(e.Key))
{
string key;
if (KeyValidator.IsNumericKey(e.Key))
{
key = KeyValidator.GetDigitFromKey(e.Key).ToString();
}
else
{
key = e.Key.ToString().ToLower();
}
switch (_keyDownLabel)
{
case KeyDownLabel.FirstChar:
FirstHexChar.Content = key;
_keyDownLabel = KeyDownLabel.SecondChar;
Action = ByteAction.Modified;
Byte = ByteConverters.HexToByte(FirstHexChar.Content.ToString() + SecondHexChar.Content.ToString())[0];
break;
case KeyDownLabel.SecondChar:
SecondHexChar.Content = key;
_keyDownLabel = KeyDownLabel.NextPosition;
Action = ByteAction.Modified;
Byte = ByteConverters.HexToByte(FirstHexChar.Content.ToString() + SecondHexChar.Content.ToString())[0];
//Move focus event
MoveNext?.Invoke(this, new EventArgs());
break;
}
}
}
}
public static IEnumerable <T> GetNotifyingEnumerable <T>(IEnumerable <T> enumerable, MoveNext <T> notify)
{
foreach (var item in enumerable)
{
if (notify != null)
{
notify(true, item);
}
yield return(item);
}
if (notify != null)
{
notify(false, default(T));
}
}
