1 /*********************************************************************************
2 * SugarCRM is a customer relationship management program developed by
3 * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
5 * This program is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU Affero General Public License version 3 as published by the
7 * Free Software Foundation with the addition of the following permission added
8 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
9 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
10 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
17 * You should have received a copy of the GNU Affero General Public License along with
18 * this program; if not, see http://www.gnu.org/licenses or write to the Free
19 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
23 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
25 * The interactive user interfaces in modified source and object code versions
26 * of this program must display Appropriate Legal Notices, as required under
27 * Section 5 of the GNU Affero General Public License version 3.
29 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
30 * these Appropriate Legal Notices must retain the display of the "Powered by
31 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
32 * technical reasons, the Appropriate Legal Notices must display the words
33 * "Powered by SugarCRM".
34 ********************************************************************************/
39 function JSTransaction(){
40 this.JSTransactions = new Array();
41 this.JSTransactionIndex = 0;
42 this.JSTransactionCanRedo = false;
43 this.JSTransactionTypes = new Array();
48 JSTransaction.prototype.record = function(transaction, data){
49 this.JSTransactions[this.JSTransactionIndex] = {'transaction':transaction , 'data':data};
50 this.JSTransactionIndex++;
51 this.JSTransactionCanRedo = false
53 JSTransaction.prototype.register = function(transaction, undo, redo){
54 this.JSTransactionTypes[transaction] = {'undo': undo, 'redo':redo};
56 JSTransaction.prototype.undo = function(){
57 if(this.JSTransactionIndex > 0){
58 if(this.JSTransactionIndex > this.JSTransactions.length ){
59 this.JSTransactionIndex = this.JSTransactions.length;
61 var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
62 var undoFunction = this.JSTransactionTypes[transaction['transaction']]['undo'];
63 undoFunction(transaction['data']);
64 this.JSTransactionIndex--;
65 this.JSTransactionCanRedo = true;
68 JSTransaction.prototype.redo = function(){
69 if(this.JSTransactionCanRedo && this.JSTransactions.length < 0)this.JSTransactionIndex = 0;
70 if(this.JSTransactionCanRedo && this.JSTransactionIndex <= this.JSTransactions.length ){
71 this.JSTransactionIndex++;
72 var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
73 var redoFunction = this.JSTransactionTypes[transaction['transaction']]['redo'];
74 redoFunction(transaction['data']);