code: private void replace(final int index, 
                           final org.dashbuilder.client.widgets.dataset.editor.column.DataColumnDefEditor columnEditor,
                           final boolean selected, final boolean enabled, final String altText) {
          view.remove(index);
          columnEditor.isEditMode(selected && enabled);
          view.insert(index, columnEditor.view, selected, enabled, altText);
      }
docs: ***********************************************************
  * PRIVATE EDITOR METHODS **
  ***********************************************************