Method SaveOGRDataSource

Project.cpp:544–608

}

void Project::SaveOGRDataSource()
{
	wxLogMessage("Project::SaveOGRDataSource()");
	// This function will only be called to save file or directory (OGR)
	wxString tmp_prefix = "GdaTmp_";
	wxArrayString all_tmp_files;
	
	try{        
		bool is_update = false;
		
		// save to a new tmp file(s) to backup original file(s)
		wxString ds_name = datasource->GetOGRConnectStr();
		wxFileName fn(ds_name);
		wxString tmp_ds_name = ds_name;
		if (wxFileExists(ds_name) && fn.GetExt().CmpNoCase("sqlite")!=0) {
			// for existing sqlite file, we add or replace layer
			tmp_ds_name = fn.GetPathWithSep()+tmp_prefix+fn.GetFullName();
			if ( wxFileExists(tmp_ds_name) ) {
				wxRemoveFile(tmp_ds_name);
			}
		}
		
		// special cases that saves by update original datasource
		if ( fn.GetExt().CmpNoCase("sqlite")==0 ) {
			is_update = true;
		}
		
		SaveDataSourceAs(tmp_ds_name, is_update);
		
		// replace old file with tmp files, then delete tmp files
		if (tmp_ds_name!=ds_name && wxFileExists(tmp_ds_name)) {
			wxString tmp_name = fn.GetName();
            wxString dirname = fn.GetPath();
            wxString filename;
            
            wxDir wdir;
			
            if ( wdir.Open( dirname ) )
            {
                bool cont = wdir.GetFirst(&filename);
                while ( cont )
                {
                    if (filename.Contains(tmp_prefix)) {
                        wxString path = dirname;
                        path << wxFileName::GetPathSeparator() << filename;
                        all_tmp_files.push_back(path);
                    }
                    cont = wdir.GetNext(&filename);
                }
            }
            
			for (size_t i=0; i< all_tmp_files.size(); i++) {
				wxString orig_fname = all_tmp_files[i];
				orig_fname.Replace(tmp_prefix, "");
				wxCopyFile(all_tmp_files[i], orig_fname);
				wxRemoveFile(all_tmp_files[i]);
			}
		}