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;
}
}
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (Byte == null)
{
return;
}
if (KeyValidation(e))
{
return;
}
//MODIFY BYTE
if (!ReadOnlyMode && KeyValidator.IsHexKey(e.Key))
{
switch (_parent.DataStringVisual)
{
case DataVisualType.Hexadecimal:
#region Edit hexadecimal value
string key;
key = KeyValidator.IsNumericKey(e.Key)
? KeyValidator.GetDigitFromKey(e.Key).ToString()
: e.Key.ToString().ToLower();
//Update byte
var byteValueCharArray = ByteConverters.ByteToHexCharArray(Byte.Value);
switch (_keyDownLabel)
{
case KeyDownLabel.FirstChar:
byteValueCharArray[0] = key.ToCharArray()[0];
_keyDownLabel = KeyDownLabel.SecondChar;
Action = ByteAction.Modified;
Byte = ByteConverters.HexToByte(
byteValueCharArray[0] + byteValueCharArray[1].ToString())[0];
break;
case KeyDownLabel.SecondChar:
byteValueCharArray[1] = key.ToCharArray()[0];
_keyDownLabel = KeyDownLabel.NextPosition;
Action = ByteAction.Modified;
Byte = ByteConverters.HexToByte(
byteValueCharArray[0] + byteValueCharArray[1].ToString())[0];
//Insert byte at end of file
if (_parent.Length != BytePositionInFile + 1)
{
_keyDownLabel = KeyDownLabel.NextPosition;
OnMoveNext(new EventArgs());
}
break;
case KeyDownLabel.NextPosition:
//byte[] byteToAppend = { (byte)key.ToCharArray()[0] };
_parent.AppendByte(new byte[] { 0 });
OnMoveNext(new EventArgs());
break;
}
#endregion
break;
case DataVisualType.Decimal:
//Not editable at this moment, maybe in future
break;
}
}
UpdateCaret();
base.OnKeyDown(e);
}