void HexBox_OnWrite(object sender, HexBoxWriteEventArgs e)
{
var hexBox = (HexBox)sender;
var doc = hexBox.Document;
if (doc == null)
{
return;
}
if (e.IsBeforeWrite)
{
var info = new UndoInfo();
info.OriginalData = hexBox.Document.ReadBytes(e.StartOffset, e.Size);
info.OriginalCaretPosition = hexBox.CaretPosition;
e.Context[contextKey] = info;
}
else
{
var info = (UndoInfo)e.Context[contextKey];
bool updated = TryUpdateOldTextInputCommand(e.Type, hexBox, info.OriginalCaretPosition, e.StartOffset, info.OriginalData);
if (!updated)
{
ClearTextInputCommand();
var cmd = new HexBoxUndoCommand(hexBox, info.OriginalCaretPosition, e.StartOffset, info.OriginalData, GetDescription(e));
undoCommandManager.Add(cmd);
if (e.Type == HexWriteType.ByteInput || e.Type == HexWriteType.AsciiInput)
{
SetTextInputCommand(cmd);
}
}
}
}
static string GetDescription(HexBoxWriteEventArgs e)
{
switch (e.Type)
{
case HexWriteType.Paste: return(string.Format(dnSpy_AsmEditor_Resources.Hex_Undo_Message_PasteBytesAtAddress, e.Size, e.StartOffset));
case HexWriteType.ByteInput: return(dnSpy_AsmEditor_Resources.Hex_Undo_Message_InsertBytes);
case HexWriteType.AsciiInput: return(dnSpy_AsmEditor_Resources.Hex_Undo_Message_InsertASCII);
case HexWriteType.Fill: return(string.Format(dnSpy_AsmEditor_Resources.Hex_Undo_Message_FillBytesAtAddress, e.Size, e.StartOffset));
default: return(null);
}
}
static string GetDescription(HexBoxWriteEventArgs e)
{
switch (e.Type)
{
case HexWriteType.Paste: return(string.Format("Paste {0} bytes @ {1:X8}", e.Size, e.StartOffset));
case HexWriteType.ByteInput: return("Insert Bytes");
case HexWriteType.AsciiInput: return("Insert ASCII");
case HexWriteType.Fill: return(string.Format("Fill {0} bytes @ {1:X8}", e.Size, e.StartOffset));
default: return(null);
}
}
