String valueS;
CommonSpreadSheetModel model=(CommonSpreadSheetModel)spreadsheet.getModel();
String delim="\t";
StringTokenizer st=new StringTokenizer(s,delim,true);
int col=col0,maxCol=spreadsheet.getColumnCount()-1;
FieldContext fieldContext=model.getFieldContext();
boolean round=fieldContext.isRound();
fieldContext.setRound(true);
while(st.hasMoreTokens()&&col<=maxCol){
valueS=st.nextToken();
if (delim.equals(valueS)) valueS="";
else if (st.hasMoreTokens()) st.nextToken();
try{
model.setValueAt(valueS,row0,++col);
}catch(Exception e){}
}
fieldContext.setRound(round);
}