1*cdf0e10cSrcweir/************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir#ifndef __com_sun_star_chart_XChartData_idl__ 28*cdf0e10cSrcweir#define __com_sun_star_chart_XChartData_idl__ 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir#ifndef __com_sun_star_uno_XInterface_idl__ 31*cdf0e10cSrcweir#include <com/sun/star/uno/XInterface.idl> 32*cdf0e10cSrcweir#endif 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir#ifndef __com_sun_star_chart_XChartDataChangeEventListener_idl__ 35*cdf0e10cSrcweir#include <com/sun/star/chart/XChartDataChangeEventListener.idl> 36*cdf0e10cSrcweir#endif 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir//============================================================================= 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir module com { module sun { module star { module chart { 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir//============================================================================= 44*cdf0e10cSrcweir 45*cdf0e10cSrcweir/** manages the data of the chart. 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir @see XChartDocument 48*cdf0e10cSrcweir */ 49*cdf0e10cSrcweirpublished interface XChartData: com::sun::star::uno::XInterface 50*cdf0e10cSrcweir{ 51*cdf0e10cSrcweir //------------------------------------------------------------------------- 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir /** allows a component supporting the 54*cdf0e10cSrcweir <type>XChartDataChangeEventListener</type> interface to 55*cdf0e10cSrcweir register as listener. The component will be notified with a 56*cdf0e10cSrcweir <type>ChartDataChangeEvent</type> every time the chart's data 57*cdf0e10cSrcweir changes.</p> 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir @param aListener 60*cdf0e10cSrcweir the component that is to be added as listener 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir @see XChartDataChangeEventListener 63*cdf0e10cSrcweir @see ChartDataChangeEvent 64*cdf0e10cSrcweir */ 65*cdf0e10cSrcweir void addChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener ); 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir //------------------------------------------------------------------------- 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir /** removes a previously registered listener. 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir @param aListener 72*cdf0e10cSrcweir the component that is to be removed 73*cdf0e10cSrcweir */ 74*cdf0e10cSrcweir void removeChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener ); 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir //------------------------------------------------------------------------- 77*cdf0e10cSrcweir 78*cdf0e10cSrcweir /** @returns 79*cdf0e10cSrcweir the value which is to be used as an indicator for a 80*cdf0e10cSrcweir missing value in the data. 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir <p>In IEEE arithmetic format it is one of the NaN values, so 83*cdf0e10cSrcweir there are no conflicts with existing numeric values.</p> 84*cdf0e10cSrcweir */ 85*cdf0e10cSrcweir double getNotANumber(); 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir //------------------------------------------------------------------------- 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir /** checks whether the value given is equal to the indicator value 90*cdf0e10cSrcweir for a missing value. 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir <p>In IEEE arithmetic format it is one of the NaN values, so 93*cdf0e10cSrcweir there are no conflicts with existing numeric values.</p> 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir <p>Always use this method to check, if a value is <em>not a 96*cdf0e10cSrcweir number</em>. If you compare the value returned by 97*cdf0e10cSrcweir <member>XChartData::getNotANumber</member> to another double 98*cdf0e10cSrcweir value using the = operator, you may not get the desired 99*cdf0e10cSrcweir result!</p> 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir @returns 102*cdf0e10cSrcweir <TRUE/> if the number given is interpreted by the chart as 103*cdf0e10cSrcweir a missing value. 104*cdf0e10cSrcweir 105*cdf0e10cSrcweir @param nNumber 106*cdf0e10cSrcweir the number that you want to check for validity. 107*cdf0e10cSrcweir */ 108*cdf0e10cSrcweir boolean isNotANumber( [in] double nNumber ); 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir}; 111*cdf0e10cSrcweir 112*cdf0e10cSrcweir//============================================================================= 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir}; }; }; }; 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir#endif 117