LOV on Grid

Question

I need to use a LOV on a Grid Control.
I did all the tutorial indicate (for a standard field, not in grid) but it didn't work : it simply doesn't fire.
Does anyone know how can be done ?
TIA
Tullio

Answer 1

I rendered a blank field as a button and bring it up from there.
import javax.swing.table.*;
import javax.swing.*;
import java.awt.*;
* A Class class.
* <P>
* @author Linda B. Rawson
public class ButtonRenderer extends DefaultTableCellRenderer {
JCheckBox checkBox = new JCheckBox();
JButton button = new JButton();
* Constructor
public ButtonRenderer() {
public Component getTableCellRendererComponent(
JTable table, Object value,
boolean isSelected, boolean hasFocus,
int row, int column) {
String str = (value == null) ? "" : value.toString();
button.setText(str);
return button;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import oracle.dacf.control.swing.*;
import javax.swing.event.*;
import java.util.EventObject;
import javax.infobus.*;
import Injection.*;
* A Class SampleNameEditor class.
* <P>
* @author Linda B. Rawson
public class SampleNameLovEditor implements TableCellEditor {
private final static int COMBO = 0;
private final static int BOOLEAN = 1;
private final static int STRING = 2;
private final static int NUM_EDITOR = 3;
JCheckBox checkBox = new JCheckBox();
JButton button = new JButton();
private boolean isPushed;
public String str = "";
DefaultCellEditor[] cellEditors;
int flg = BOOLEAN; // Default to String
* Constructor
public SampleNameLovEditor() {
cellEditors = new DefaultCellEditor[NUM_EDITOR];
// Will not take button as an argument. Will only take checkbox.
checkBox = new JCheckBox();
checkBox.setOpaque( true );
checkBox.setHorizontalAlignment(JLabel.CENTER);
cellEditors[BOOLEAN] = new DefaultCellEditor(checkBox);
button = new JButton();
isPushed = true;
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
flg = BOOLEAN;
if (isSelected) {
button.setForeground(table.getSelectionForeground());
button.setBackground(table.getSelectionBackground());
} else{
button.setForeground(table.getForeground());
button.setBackground(table.getBackground());
str = (value ==null) ? "" : value.toString();
button.setText( str );
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (isPushed) {
// SampleContentPanel.sampleNameLov.setRestrictedQuery("infobus:/oracle/sessionWave/lOVRowSetSampleFlTags/SampleName", null);
SampleContentPanel.sampleNameLov.show();
isPushed = false;
cancelCellEditing();
isPushed = true;
return button;
public Object getCellEditorValue() {
switch (flg) {
case COMBO:
return str;
case BOOLEAN:
case STRING:
return cellEditors[flg].getCellEditorValue();
default:
return null;
public Component getComponent() {
return cellEditors[flg].getComponent();
public boolean stopCellEditing() {
return cellEditors[flg].stopCellEditing();
public void cancelCellEditing() {
cellEditors[flg].cancelCellEditing();
public boolean isCellEditable(EventObject anEvent) {
return cellEditors[flg].isCellEditable(anEvent);
public boolean shouldSelectCell(EventObject anEvent) {
return cellEditors[flg].shouldSelectCell(anEvent);
public void addCellEditorListener(CellEditorListener l) {
cellEditors[flg].addCellEditorListener(l);
public void removeCellEditorListener(CellEditorListener l) {
cellEditors[flg].removeCellEditorListener(l);
public void setClickCountToStart(int n) {
cellEditors[flg].setClickCountToStart(n);
public int getClickCountToStart() {
return cellEditors[flg].getClickCountToStart();
public static LOV sampleNameLov = new LOV();
sampleNameLov.setDataItemName("infobus:/oracle/blah/lOVRowSetSampleFlTags");
sampleNameLov.setTitle("Sample Names");
sampleNameLov.setAutomaticRefresh(true);
Linda
Linda