nl_tokens: Initialize layout and event listeners the very first time an item is added
pl_tokens: function ( ) { delete this . onItemAdd ; if ( this . innerHtmlElement && ! this . getHtml ( ) ) { this . innerHtmlElement . destroy ( ) ; delete this . innerHtmlElement ; } this . on ( 'innerstatechange' , 'onItemInnerStateChange' , this , { delegate : '> component' } ) ; return this . onItemAdd . <mask> ( this , arguments ) ; }