void LOFImportFileHandle::doDurationAndScrollOffset()
{
if (!mProject)
return;
bool doSomething = callDurationFactor || callScrollOffset;
if (callDurationFactor)
{
double longestDuration = mProject->GetTracks()->GetEndTime();
mProject->ZoomBy(longestDuration / durationFactor);
callDurationFactor = false;
}
if (callScrollOffset && (scrollOffset != 0))
{
mProject->TP_ScrollWindow(scrollOffset);
callScrollOffset = false;
}
if (doSomething)
// Amend last undo state
mProject->ModifyState(false);
}
/** @brief Processes a single line from a LOF text file, doing whatever is
* indicated on the line.
*
* This function should just return for lines it cannot deal with, and the
* caller will continue to the next line of the input file
*/
void LOFImportFileHandle::lofOpenFiles(wxString* ln)
{
wxStringTokenizer tok(*ln, wxT(" "));
wxStringTokenizer temptok1(*ln, wxT("\""));
wxStringTokenizer temptok2(*ln, wxT(" "));
int tokenplace = 0;
wxString targetfile;
wxString tokenholder = tok.GetNextToken();
if (tokenholder.IsSameAs(wxT("window"), false))
{
// set any duration/offset factors for last window, as all files were called
doDurationAndScrollOffset();
if (windowCalledOnce)
// Cause a project to be created with the next import
mProject = nullptr;
else
// Apply any offset and duration directives of the first "window" line
// to the previously open project, not a NEW one.
;
windowCalledOnce = true;
while (tok.HasMoreTokens())
{
tokenholder = tok.GetNextToken();
if (tokenholder.IsSameAs(wxT("offset"), false))
{
if (tok.HasMoreTokens())
tokenholder = tok.GetNextToken();
if (Internat::CompatibleToDouble(tokenholder, &scrollOffset))
{
callScrollOffset = true;
}
else
{
/* i18n-hint: You do not need to translate "LOF" */
AudacityMessageBox(_("Invalid window offset in LOF file."),
/* i18n-hint: You do not need to translate "LOF" */
_("LOF Error"), wxOK | wxCENTRE);
}
if (tok.HasMoreTokens())
tokenholder = tok.GetNextToken();
}
if (tokenholder.IsSameAs(wxT("duration"), false))
{
if (tok.HasMoreTokens())
tokenholder = tok.GetNextToken();
if (Internat::CompatibleToDouble(tokenholder, &durationFactor))
{
callDurationFactor = true;
}
else
{
/* i18n-hint: You do not need to translate "LOF" */
AudacityMessageBox(_("Invalid duration in LOF file."),
/* i18n-hint: You do not need to translate "LOF" */
_("LOF Error"), wxOK | wxCENTRE);
}
} // End if statement
if (tokenholder == wxT("#"))
{
// # indicates comments; ignore line
tok = wxStringTokenizer(wxT(""), wxT(" "));
}
} // End while loop
} // End if statement handling "window" lines
else if (tokenholder.IsSameAs(wxT("file"), false))
{
// To identify filename and open it
tokenholder = temptok1.GetNextToken();
wxString targettoken = temptok1.GetNextToken();
targetfile = targettoken;
// If path is relative, make absolute path from LOF path
if(!wxIsAbsolutePath(targetfile)) {
wxFileName fName(targetfile);
fName.Normalize(wxPATH_NORM_ALL, mLOFFileName.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR));
if(fName.FileExists()) {
targetfile = fName.GetFullPath();
}
}
// Do recursive call to import
#ifdef USE_MIDI
// If file is a midi
if (Importer::IsMidi(targetfile))
{
mProject = FileActions::DoImportMIDI(mProject, targetfile);
}
// If not a midi, open audio file
else
#else // !USE_MIDI
/* if we don't have midi support, go straight on to opening as an
* audio file. TODO: Some sort of message here? */
#endif // USE_MIDI
mProject = AudacityProject::OpenProject( mProject, targetfile );
// Set tok to right after filename
temptok2.SetString(targettoken);
tokenplace = temptok2.CountTokens();
for (int i = 0; i < tokenplace; i++)
tokenholder = tok.GetNextToken();
if (tok.HasMoreTokens())
{
tokenholder = tok.GetNextToken();
if (tokenholder == wxT("#"))
{
// # indicates comments; ignore line
tok = wxStringTokenizer(wxT(""), wxT(" "));
}
if (tokenholder.IsSameAs(wxT("offset"), false))
{
if (tok.HasMoreTokens())
tokenholder = tok.GetNextToken();
double offset;
// handle an "offset" specifier
if (!mProject)
// there was an import error,
// presumably with its own error message
;
else if (Internat::CompatibleToDouble(tokenholder, &offset))
{
auto tracks = mProject->GetTracks();
auto t = *tracks->Leaders().rbegin();
// t is now the last track in the project, unless the import of
// all tracks failed, in which case it will be null. In that
// case we return because we cannot offset a non-existent track.
if (t == NULL)
return;
#ifdef USE_MIDI
if (targetfile.AfterLast(wxT('.')).IsSameAs(wxT("mid"), false) ||
targetfile.AfterLast(wxT('.')).IsSameAs(wxT("midi"), false))
{
AudacityMessageBox(_("MIDI tracks cannot be offset individually, only audio files can be."),
_("LOF Error"), wxOK | wxCENTRE);
}
else
#endif
{
for (auto channel : TrackList::Channels(t))
channel->SetOffset(offset);
}
// Amend the undo transaction made by import
mProject->ModifyState(false);
} // end of converting "offset" argument
else
{
/* i18n-hint: You do not need to translate "LOF" */
AudacityMessageBox(_("Invalid track offset in LOF file."),
_("LOF Error"), wxOK | wxCENTRE);
}
} // End if statement for "offset" parameters
} // End if statement (more tokens after file name)
} // End if statement "file" lines
else if (tokenholder == wxT("#"))
{
// # indicates comments; ignore line
tok = wxStringTokenizer(wxT(""), wxT(" "));
}
else
{
// Couldn't parse a line
}
}