JDev Team - how to add a Data Aware Control to grid control

Question

The default editor for GridControl cells is a data-aware TextField, but I want to use a ComboBoxControl. If I use the setEditor() method of the TableColumn, the cell is edited using a combo, but there are problems:
1. Navigated events do not fire when focus is moved in or out of the cell and
2. When focus moves to another cell in the same column, the cell losing focus is blanked.
How can I setup/attach a custom editor based on a Data Aware Control to avoid these problems?
The code I am using
1. declares combobox controls to be used with grid as member variables of my frame class
ComboBoxControl comboBoxSrcSystem = new ComboBoxControl();
ComboBoxControl comboBoxSrcSysVersion = new ComboBoxControl();
ComboBoxControl comboBoxSrcTable = new ComboBoxControl();
ComboBoxControl comboBoxSrcColumn = new ComboBoxControl();
2. sets up the combo in the jbInit method of the frame class :
// for gridControlMapRuleSrcCols column SystemName
comboBoxSrcSystem.setListKeyDataItemName("infobus:/oracle/sessionMapTool/rowSetSystemCombo/SystemName");
comboBoxSrcSystem.setListValueDataItemName("infobus:/oracle/sessionMapTool/rowSetSystemCombo/SystemName");
comboBoxSrcSystem.setDataItemNameForUpdate("infobus:/oracle/sessionMapTool/rowSetMapRuleSrcCols/SystemName");
3. In the frame constructor calls a method to add combos to the grid
addMapSrcColGridCombos();
which is defined as
private void addMapSrcColGridCombos() {
// add combos to gridControlMapRuleSrcCols grid
JTable mapSrcColTable = gridControlMapRuleSrcCols.getTable(); // access the JTable
addComboEditor( mapSrcColTable, "SystemName", comboBoxSrcSystem );
addComboEditor( mapSrcColTable, "SystemVersion", comboBoxSrcSysVersion );
addComboEditor( mapSrcColTable, "TableName", comboBoxSrcTable );
addComboEditor( mapSrcColTable, "ColumnName", comboBoxSrcColumn );
4. It makes use of the following method:
private void addComboEditor( JTable table, String colName, ComboBoxControl combo )
TableColumn col = table.getColumn(colName);
col.setCellEditor( new DefaultCellEditor( combo ) );
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Answer 1

Given the usual deafening silence from the JDev team, I'll post my resolution of the problem.
I could not find a way of creating an editor directly from a ComboBoxControl which would behave properly in a GridControl. However, JComboBox does work, so I
1. add a Navigated listener to the GridControl
2. in the navigatedInColumn event handler I create a JComboBox from a ScrollableRowsetAccess and
3. use it to create a custom CellEditor for the target column.
(I also remove the editor in the currently focused column in the navigatedOutColumn, but I don't think this is strictly necessary.)
This solution also works after a Rollback, when the columns of the gridcontrol are reset/rebuilt, and handles dynamic combos that are dependent on the current row values.
Unfortunately, unlike ComboBoxControl JComboBox does not allow for a key/value mapping, so the combo editor can only display the values to selected from, not a user-friendly label.
I attach some code snippets to illustrate the solution:
1. declare member variables
// declarations for Custom Grid Editors
NavigationManager navMgr = NavigationManager.getNavigationManager();
static String SYS_NAME_COL_NAME = "SystemName";
static String SYS_VER_COL_NAME = "SystemVersion";
static String TAB_NAME_COL_NAME = "TableName";
static String COL_NAME_COL_NAME = "ColumnName";
RowSetInfo rowSetSystemCombo = new RowSetInfo();
AttributeInfo SystemNamerowSetSystemCombo = new AttributeInfo();
ScrollableRowsetAccess sysNameComboRS = (ScrollableRowsetAccess)rowSetSystemCombo.getRowsetAccess();;
static ImmediateAccess sysNameComboIA = SystemNamerowSetSystemCombo.getImmediateAccess();
static RowSetInfo rowSetMapTgtColTableCombo = new RowSetInfo();
static AttributeInfo TableNamerowSetMapTgtColTableCombo = new AttributeInfo(java.sql.Types.VARCHAR);
static ScrollableRowsetAccess tgtTabNameComboRS = (ScrollableRowsetAccess)rowSetMapTgtColTableCombo.getRowsetAccess();;
static ImmediateAccess tgtTabNameComboIA = TableNamerowSetMapTgtColTableCombo.getImmediateAccess();
2. in jbInit() set up the combo rowsets (use Design mode)
SystemNamerowSetSystemCombo.setName("SystemName");
rowSetSystemCombo.setAttributeInfo( new AttributeInfo[] {
SystemNamerowSetSystemCombo} );
rowSetSystemCombo.setQueryInfo(new QueryViewInfo(
"SystemComboView",
rowSetSystemCombo.setSession(sessionMapTool);
rowSetSystemCombo.setName("rowSetSystemCombo");
SystemVersionrowSetMapSrcColSysVersionCombo.setName("SystemVersion");
rowSetMapSrcColSysVersionCombo.setAttributeInfo( new AttributeInfo[] {
SystemVersionrowSetMapSrcColSysVersionCombo} );
rowSetMapSrcColSysVersionCombo.setQueryInfo(new QueryViewInfo(
"SourceSystemVersionComboView",
"SYSTEM_VERSION DESC"));
rowSetMapSrcColSysVersionCombo.setMasterLinkInfo
(new ViewLinkInfo(rowSetMapRuleSrcCols,"MapTool.MapRuleSrcColSysVersionComboLink"));
rowSetMapSrcColSysVersionCombo.setSession(sessionMapTool);
rowSetMapSrcColSysVersionCombo.setName("rowSetMapSrcColSysVersionCombo");
TableNamerowSetMapSrcColTableCombo.setName("TableName");
rowSetMapSrcColTableCombo.setAttributeInfo( new AttributeInfo[] {
TableNamerowSetMapSrcColTableCombo} );
rowSetMapSrcColTableCombo.setQueryInfo(new QueryViewInfo(
"SourceTableComboView",
"TABLE_NAME"));
rowSetMapSrcColTableCombo.setMasterLinkInfo
(new ViewLinkInfo(rowSetMapRuleSrcCols,"MapTool.MapRuleSrcColTableComboLink"));
rowSetMapSrcColTableCombo.setSession(sessionMapTool);
rowSetMapSrcColTableCombo.setName("rowSetMapSrcColTableCombo");
ColumnNamerowSetMapTgtColColumnCombo.setName("ColumnName");
rowSetMapTgtColColumnCombo.setAttributeInfo( new AttributeInfo[] {
ColumnNamerowSetMapTgtColColumnCombo} );
rowSetMapTgtColColumnCombo.setQueryInfo(new QueryViewInfo(
"TargetColumnComboView",
"column_name"));
rowSetMapTgtColColumnCombo.setMasterLinkInfo
(new ViewLinkInfo(rowSetMapRuleTgtCols,"MapTool.MapRuleTgtColColumnLink"));
rowSetMapTgtColColumnCombo.setSession(sessionMapTool);
rowSetMapTgtColColumnCombo.setName("rowSetMapTgtColColumnCombo");
3. add methods to handle the Navigated events (use Design mode to ensure add listener code
is generated)
void gridControlMapRuleSrcCols_navigatedInColumn(NavigatedEvent e) {
debug("gridControlMapRuleSrcCols_navigatedInColumn");
show_nav_info();
String dataItemName = navMgr.getTargetDataItemName();
String columnName = dataItemName.substring(dataItemName.lastIndexOf("/")+1);
JTable table = gridControlMapRuleSrcCols.getTable();
if ( SYS_NAME_COL_NAME.equals( columnName)) {
addComboEditor( table, columnName, dbMapTool.sysNameComboRS, dbMapTool.sysNameComboIA );
else if ( SYS_VER_COL_NAME.equals( columnName)) {
addComboEditor( table, columnName, dbMapTool.srcSysVerComboRS, dbMapTool.srcSysVerComboIA );
else if ( TAB_NAME_COL_NAME.equals( columnName)) {
addComboEditor( table, columnName, dbMapTool.srcTabNameComboRS, dbMapTool.srcTabNameComboIA );
else if ( COL_NAME_COL_NAME.equals( columnName)) {
addComboEditor( table, columnName, dbMapTool.srcColNameComboRS, dbMapTool.srcColNameComboIA );
void addComboEditor
( JTable table
, String colName
, ScrollableRowsetAccess rs
, ImmediateAccess ia
// note must get TableColumn afresh each time because when grid is reset
// on rollback the Table ColumnModel is rebuilt
TableColumn tc = table.getColumn(colName);
debug("add JComboBox as editor");
Vector v = new Vector();
try {
// Retrieve and store values for JComboBox using the InfoBus API.
boolean moreRows = rs.first();
while (moreRows) {
// stores value in vector
v.addElement(new String(ia.getValueAsString()));
moreRows = rs.next();
// make column Cell Editor a JComboBox with retrieved values
tc.setCellEditor(new DefaultCellEditor(new JComboBox(v)));
catch (Exception e0) {
e0.printStackTrace();
void show_nav_info() {
debug( "Focused Data Item = " + navMgr.getFocusedDataItemName() );
debug( "Target Data Item = " + navMgr.getTargetDataItemName() );
void debug(String s)
System.out.println(s);
void gridControlMapRuleSrcCols_navigatedOutColumn(NavigatedEvent e) {
debug("gridControlMapRuleSrcCols_navigatedOutColumn");
show_nav_info();
String dataItemName = navMgr.getFocusedDataItemName();
String columnName = dataItemName.substring(dataItemName.lastIndexOf("/")+1);
JTable table = gridControlMapRuleSrcCols.getTable();
if ( SYS_NAME_COL_NAME.equals( columnName)) {
removeComboEditor(table, columnName);
else if ( SYS_VER_COL_NAME.equals( columnName)) {
removeComboEditor( table, columnName );
else if ( TAB_NAME_COL_NAME.equals( columnName)) {
removeComboEditor( table, columnName );
else if ( COL_NAME_COL_NAME.equals( columnName)) {
removeComboEditor( table, columnName );
void removeComboEditor ( JTable table, String colName ) {
debug("remove JComboBox as editor");
TableColumn tc = table.getColumn(colName);
tc.setCellEditor(null);
4. Note that when navigated event code is added through the designer, jbInit() is
amended to add a Navigated Listener to the grid
gridControlMapRuleSrcCols.addNavigatedListener(new oracle.dacf.control.NavigatedAdapter() {
public void navigatedInColumn(NavigatedEvent e) {
gridControlMapRuleSrcCols_navigatedInColumn(e);
public void navigatedOutColumn(NavigatedEvent e) {
gridControlMapRuleSrcCols_navigatedOutColumn(e);
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