text: /*********************************************************************************
   * SugarCRM Community Edition is a customer relationship management program developed by
   * SugarCRM, Inc. Copyright (C) 2004-2012 SugarCRM Inc.
   *
   * 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. If the display of the logo is not reasonably feasible for
   * technical reasons, the Appropriate Legal Notices must display the words
   * "Powered by SugarCRM".
   ********************************************************************************/
  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']);}}