String columnName = tableView.getColumns().get(columnIndex).getName();
// Preview the changes
HashMap<String, Object> changes = new HashMap<String, Object>();
changes.put(columnName, text);
Vote vote = rowEditorListeners.previewSaveChanges(this, tableView, rowIndex,
columnIndex, changes);
if (vote == Vote.APPROVE) {
List<Object> tableData = (List<Object>)tableView.getTableData();