40 lines
3.2 KiB
JavaScript
40 lines
3.2 KiB
JavaScript
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/*********************************************************************************
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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(){this.JSTransactions=new Array();this.JSTransactionIndex=0;this.JSTransactionCanRedo=false;this.JSTransactionTypes=new Array();}
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JSTransaction.prototype.record=function(transaction,data){this.JSTransactions[this.JSTransactionIndex]={'transaction':transaction,'data':data};this.JSTransactionIndex++;this.JSTransactionCanRedo=false}
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JSTransaction.prototype.register=function(transaction,undo,redo){this.JSTransactionTypes[transaction]={'undo':undo,'redo':redo};}
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JSTransaction.prototype.undo=function(){if(this.JSTransactionIndex>0){if(this.JSTransactionIndex>this.JSTransactions.length){this.JSTransactionIndex=this.JSTransactions.length;}
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var transaction=this.JSTransactions[this.JSTransactionIndex-1];var undoFunction=this.JSTransactionTypes[transaction['transaction']]['undo'];undoFunction(transaction['data']);this.JSTransactionIndex--;this.JSTransactionCanRedo=true;}}
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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']);}}
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