nl_tokens: Disables this ActionColumn s action at the specified index .
pl_tokens: function ( index , silent ) { var me = this ; if ( ! index ) { index = 0 ; } else if ( ! Ext . isNumber ( index ) ) { index = Ext . Array . indexOf ( me . items , index ) ; } me . items [ index ] . disabled = true ; me . up ( 'tablepanel' ) . el . <mask> ( '.' + Ext . baseCSSPrefix + 'action-col-' + index ) . addCls ( me . disabledCls ) ; if ( ! silent ) { me . fireEvent ( 'disable' , me ) ; } }