public Tabs setAjaxBeforeActivateEvent ( ITabsAjaxEvent beforeActivateEvent ) { this . ajaxEvents . put ( TabEvent . beforeActivate , beforeActivateEvent ) ; setBeforeActivateEvent ( new TabsAjaxBeforeActivateJsScopeUiEvent ( this , TabEvent . beforeActivate , false ) ) ; return this ; }
Sets the call - back for the AJAX beforeActivate event .