text: /**
   * Monitor special variables
   */
  import {createProxy} from '../utils/util';
  import Store from '../store/index';
  import method from '../global/method';
  import { gettibetsheetsfile } from '../methods/get'
  import { toJson } from '../global/api';
  
  let undoTimer,redoTimer;
  function undoAccessible(len) {
      clearTimeout(undoTimer);
      undoTimer = setTimeout(() => {
          $('#tibetsheets-icon-undo')[len ? 'removeClass' : 'addClass']('disabled');
      }, 10);
  }
  function redoAccessible(len) {
      clearTimeout(redoTimer);
      redoTimer = setTimeout(() => {
          $('#tibetsheets-icon-redo')[len ? 'removeClass' : 'addClass']('disabled');
      }, 10);
  }
  
  const initListener = function(){
      // createProxy(Store,['jfredo']);
      createProxy(Store, 'jfredo',(target, property, val, receiver)=>{
          if (property !== 'length') {
              //  钩子函数
              method.createHookFunction('updated',val)
          }
          undoAccessible(Store.jfredo.length);
      } );
      createProxy(Store, 'jfundo',(target, property, val, receiver)=>{
          redoAccessible(Store.jfundo.length);
      } );
      
  
  
      createProxy(Store, 'asyncLoad', (target, property, val, receiver)=>{
          if(property === 'length' && val === 0){
              method.createHookFunction('workbookCreateAfter', toJson())
          }
      })
  }
  
  export {
      initListener
  }
  