code: @OverrideOnDemand
    protected boolean isActionAllowed (@Nonnull final WPECTYPE aWPEC,
                                       @Nonnull final EWebPageFormAction eFormAction,
                                       @Nullable final DATATYPE aSelectedObject)
    {
      return true;
    }
docs: Check if passed object allows for the specified action.
  
  @param aWPEC
  The web page execution context. Never <code>null</code>.
  @param eFormAction
  The form action that is to be checked. Never <code>null</code> and
  never {@link EWebPageFormAction#SHOW_LIST}.
  @param aSelectedObject
  The currently selected object. May be <code>null</code>.
  @return <code>true</code> if the action is allowed, <code>false</code> if
  not