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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/**
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef __com_sun_star_form_XUpdateListener_idl__
#define __com_sun_star_form_XUpdateListener_idl__
#include <com/sun/star/lang/XEventListener.idl>
#include <com/sun/star/lang/EventObject.idl>
module com { module sun { module star { module form {
/** used to listen on objects which allow updating their data.
<p>In addition to just get notified when an data update happened, the listener
has a chance to veto updates <em>before</em> they happen.</p>
@see XUpdateBroadcaster
*/
published interface XUpdateListener: com::sun::star::lang::XEventListener
{
/** is invoked to check the current data.
<p>For a given update process, if one of the <type>XUpdateListener</type>s
vetoes the change, the update is canceled, and no further notification happens.</p>
@param aEvent
An event descriptor specifying the broadcaster of the change.
@returns
<TRUE/> when the update was approved, otherwise <FALSE/>.
*/
boolean approveUpdate( [in] com::sun::star::lang::EventObject aEvent );
/** is invoked when an object has finished processing the updates and
the data has been successfully written.
@param aEvent
A event descriptor specifying the broadcaster of the change.
*/
void updated( [in] com::sun::star::lang::EventObject aEvent );
};
}; }; }; };
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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