text: /**
   *
   * SugarCRM Community Edition is a customer relationship management program developed by
   * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
   *
   * SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
   * Copyright (C) 2011 - 2018 SalesAgility Ltd.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU Affero General Public License version 3 as published by the
   * Free Software Foundation with the addition of the following permission added
   * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
   * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
   * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
   * details.
   *
   * You should have received a copy of the GNU Affero General Public License along with
   * this program; if not, see http://www.gnu.org/licenses or write to the Free
   * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   * 02110-1301 USA.
   *
   * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
   * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
   *
   * The interactive user interfaces in modified source and object code versions
   * of this program must display Appropriate Legal Notices, as required under
   * Section 5 of the GNU Affero General Public License version 3.
   *
   * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
   * these Appropriate Legal Notices must retain the display of the "Powered by
   * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
   * reasonably feasible for technical reasons, the Appropriate Legal Notices must
   * display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
   */
  
  
  
     
  function JSTransaction(){
      this.JSTransactions = new Array();
      this.JSTransactionIndex = 0;
      this.JSTransactionCanRedo = false;
      this.JSTransactionTypes = new Array(); 
      
  
  }
  
      JSTransaction.prototype.record = function(transaction, data){
          this.JSTransactions[this.JSTransactionIndex] = {'transaction':transaction , 'data':data};
          this.JSTransactionIndex++;
          this.JSTransactionCanRedo = false
      }
      JSTransaction.prototype.register = function(transaction, undo, redo){
          this.JSTransactionTypes[transaction] = {'undo': undo, 'redo':redo};
      }
      JSTransaction.prototype.undo = function(){
          if(this.JSTransactionIndex > 0){
              if(this.JSTransactionIndex > this.JSTransactions.length ){
                  this.JSTransactionIndex  = this.JSTransactions.length;
              }
              var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
              var undoFunction = this.JSTransactionTypes[transaction['transaction']]['undo'];
              undoFunction(transaction['data']);
              this.JSTransactionIndex--;
              this.JSTransactionCanRedo = true;
          }
      }
      JSTransaction.prototype.redo = function(){
          if(this.JSTransactionCanRedo && this.JSTransactions.length < 0)this.JSTransactionIndex = 0;
          if(this.JSTransactionCanRedo && this.JSTransactionIndex <= this.JSTransactions.length ){
              this.JSTransactionIndex++;
              var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
              var redoFunction = this.JSTransactionTypes[transaction['transaction']]['redo'];
              redoFunction(transaction['data']);
          }
      }
  
  
  
  