jstree 1.0カスタム右クリックメニュー(回転)

 $( function  () {  
     $("#demo1" ).jstree({   
         "plugins"  : [  "themes" ,  "html_data" ,  "contextmenu"  ],  
         "contextmenu" : {  
             "items" : {  
                 "create" :  null ,  
                 "rename" :  null ,  
                 "remove" :  null ,  
                 "ccp" :  null ,  
                 "     " : {  
                     "label" :  "     " ,  
                     "action" :  function  (obj) { alert(obj) }  
                 },  
                 "      " : {  
                     "label" :  "      " ,  
                     "submenu" : {  
                         "cut"  : {  
                             "separator_before"   :  false ,  
                             "separator_after"    :  false ,  
                             "label"              :  "Cut" ,  
                             "action"             :  function  (obj) { alert( "Cut" ) }  
                         }  
                    }  
                }  
            }  
         }  
     });  
 });