79 lines
3.6 KiB
JavaScript
Executable File
79 lines
3.6 KiB
JavaScript
Executable File
/*********************************************************************************
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* SugarCRM is a customer relationship management program developed by
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* SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM Inc.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License version 3 as published by the
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* Free Software Foundation with the addition of the following permission added
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* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
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* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
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* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along with
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* this program; if not, see http://www.gnu.org/licenses or write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* SugarCRM" logo. If the display of the logo is not reasonably feasible for
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* technical reasons, the Appropriate Legal Notices must display the words
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* "Powered by SugarCRM".
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********************************************************************************/
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function JSTransaction(){
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this.JSTransactions = new Array();
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this.JSTransactionIndex = 0;
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this.JSTransactionCanRedo = false;
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this.JSTransactionTypes = new Array();
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}
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JSTransaction.prototype.record = function(transaction, data){
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this.JSTransactions[this.JSTransactionIndex] = {'transaction':transaction , 'data':data};
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this.JSTransactionIndex++;
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this.JSTransactionCanRedo = false
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}
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JSTransaction.prototype.register = function(transaction, undo, redo){
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this.JSTransactionTypes[transaction] = {'undo': undo, 'redo':redo};
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}
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JSTransaction.prototype.undo = function(){
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if(this.JSTransactionIndex > 0){
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if(this.JSTransactionIndex > this.JSTransactions.length ){
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this.JSTransactionIndex = this.JSTransactions.length;
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}
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var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
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var undoFunction = this.JSTransactionTypes[transaction['transaction']]['undo'];
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undoFunction(transaction['data']);
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this.JSTransactionIndex--;
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this.JSTransactionCanRedo = true;
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}
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}
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JSTransaction.prototype.redo = function(){
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if(this.JSTransactionCanRedo && this.JSTransactions.length < 0)this.JSTransactionIndex = 0;
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if(this.JSTransactionCanRedo && this.JSTransactionIndex <= this.JSTransactions.length ){
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this.JSTransactionIndex++;
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var transaction = this.JSTransactions[this.JSTransactionIndex - 1];
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var redoFunction = this.JSTransactionTypes[transaction['transaction']]['redo'];
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redoFunction(transaction['data']);
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}
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}
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