btnMoveDown.setText("Down");
btnMoveDown.setImage(imgDown);
btnMoveDown.setEnabled(false);
// Listeners
table.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
ISelection selection = viewer.getSelection();
if (!selection.isEmpty())
managedForm.fireSelectionChanged(PkgPatternsListPart.this, selection);