checkSupported(oper);
((JTreeOperator)oper).collapseRow(index);
}
public void editItem(ComponentOperator oper, int index, Object newValue, Timeout waitEditorTime) {
JTextComponentOperator textoper = startEditingAndReturnEditor(oper, index, waitEditorTime);
TextDriver text = DriverManager.getTextDriver(JTextComponentOperator.class);
text.clearText(textoper);
text.typeText(textoper, newValue.toString(), 0);
((JTreeOperator)oper).stopEditing();
}