Why can I not tab out of table cell after running command from keyboard

Question

In my Jtable I have context menu with actions that can be performed on the selected cells either using mouse, or the action can be initiated directly from the keyboard using the defined acceleratorkey.
After the action has completed you can tab out of the selected cells using the Tab key or cursor keys if the action was initiated with the mouse, but not if initiated with the keyboard but Im at a loss as to what causes the difference.
thanks Paul

Answer 1

I found this one someWhere, maybe check your code if Cell returns true = isCellEditable(row, column)
import java.awt.event.*;
import javax.swing.*;
public class TableActions extends JFrame {
    private static final long serialVersionUID = 1L;
    public TableActions() {
        JTable table = new JTable(15, 5) {
            private static final long serialVersionUID = 1L;
            @Override
            public boolean isCellEditable(int row, int column) {
                return column % 2 == 0;
//              return false;
        table.setPreferredScrollableViewportSize(table.getPreferredSize());
        JScrollPane scrollPane = new JScrollPane(table);
        getContentPane().add(scrollPane);
        InputMap im = table.getInputMap(JTable.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
        //  Have the enter key work the same as the tab key
        KeyStroke tab = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0);
        KeyStroke enter = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
        im.put(enter, im.get(tab));
        //  Disable the right arrow key
        KeyStroke right = KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0);
        im.put(right, "none");
        //  Override the default tab behaviour
        //  Tab to the next editable cell. When no editable cells goto next cell.
        final Action oldTabAction = table.getActionMap().get(im.get(tab));
        Action tabAction = new AbstractAction() {
            private static final long serialVersionUID = 1L;
            @Override
            public void actionPerformed(ActionEvent e) {
                oldTabAction.actionPerformed(e);
                JTable table = (JTable) e.getSource();
                int rowCount = table.getRowCount();
                int columnCount = table.getColumnCount();
                int row = table.getSelectedRow();
                int column = table.getSelectedColumn();
                while (!table.isCellEditable(row, column)) {
                    column += 1;
                    if (column == columnCount) {
                        column = 0;
                        row += 1;
                    if (row == rowCount) {
                        row = 0;
                    if (row == table.getSelectedRow()//  Back to where we started, get out.
                            && column == table.getSelectedColumn()) {
                        break;
                table.changeSelection(row, column, false, false);
        table.getActionMap().put(im.get(tab), tabAction);
    public static void main(String[] args) {
        TableActions frame = new TableActions();
        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
}