nl_tokens: Convenience method for setting the status text and icon to special values that are pre - configured to indicate a busy state usually for loading or processing activities .
pl_tokens: function ( o ) { if ( Ext . isString ( o ) ) { o = { <mask> : o } ; } o = Ext . applyIf ( o || { } , { text : this . busyText , iconCls : this . busyIconCls } ) ; return this . setStatus ( o ) ; }