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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef __com_sun_star_chart_XChartData_idl__
#define __com_sun_star_chart_XChartData_idl__
#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif
#ifndef __com_sun_star_chart_XChartDataChangeEventListener_idl__
#include <com/sun/star/chart/XChartDataChangeEventListener.idl>
#endif
//=============================================================================
module com { module sun { module star { module chart {
//=============================================================================
/** manages the data of the chart.
@see XChartDocument
*/
published interface XChartData: com::sun::star::uno::XInterface
{
//-------------------------------------------------------------------------
/** allows a component supporting the
<type>XChartDataChangeEventListener</type> interface to
register as listener. The component will be notified with a
<type>ChartDataChangeEvent</type> every time the chart's data
changes.</p>
@param aListener
the component that is to be added as listener
@see XChartDataChangeEventListener
@see ChartDataChangeEvent
*/
void addChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener );
//-------------------------------------------------------------------------
/** removes a previously registered listener.
@param aListener
the component that is to be removed
*/
void removeChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener );
//-------------------------------------------------------------------------
/** @returns
the value which is to be used as an indicator for a
missing value in the data.
<p>In IEEE arithmetic format it is one of the NaN values, so
there are no conflicts with existing numeric values.</p>
*/
double getNotANumber();
//-------------------------------------------------------------------------
/** checks whether the value given is equal to the indicator value
for a missing value.
<p>In IEEE arithmetic format it is one of the NaN values, so
there are no conflicts with existing numeric values.</p>
<p>Always use this method to check, if a value is <em>not a
number</em>. If you compare the value returned by
<member>XChartData::getNotANumber</member> to another double
value using the = operator, you may not get the desired
result!</p>
@returns
<TRUE/> if the number given is interpreted by the chart as
a missing value.
@param nNumber
the number that you want to check for validity.
*/
boolean isNotANumber( [in] double nNumber );
};
//=============================================================================
}; }; }; };
#endif
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