public void setControlGroup(boolean value, boolean linkable) {
        if (value) {
            createControlGroup(linkable);
        } else if (controlGroup != null) {
            if (anchorPanel != null) remove(anchorPanel);
            else if (anchor != null) getElement().removeChild(anchor);
            anchor = null;
            anchorPanel = null;
            setSplitHref(null);
            controlGroupRoot = null;
            controlGroup = null;
            checkBoxInput = null;
        }
    }
public void setControlGroup ( boolean value , boolean linkable ) { if ( value ) { createControlGroup ( linkable ) ; } else if ( controlGroup != null ) { if ( anchorPanel != null ) remove ( anchorPanel ) ; else if ( anchor != null ) getElement ( ) . removeChild ( anchor ) ; anchor = null ; anchorPanel = null ; setSplitHref ( null ) ; controlGroupRoot = null ; controlGroup = null ; checkBoxInput = null ; } }
true - prepare and allow to add widgets to this list box item.

@param linkable - if true &lt;a> will be forcefully created, so row will be clickable.