1*d1766043SAndrew Rist/************************************************************** 2cdf0e10cSrcweir * 3*d1766043SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*d1766043SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*d1766043SAndrew Rist * distributed with this work for additional information 6*d1766043SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*d1766043SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*d1766043SAndrew Rist * "License"); you may not use this file except in compliance 9*d1766043SAndrew Rist * with the License. You may obtain a copy of the License at 10*d1766043SAndrew Rist * 11*d1766043SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*d1766043SAndrew Rist * 13*d1766043SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*d1766043SAndrew Rist * software distributed under the License is distributed on an 15*d1766043SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*d1766043SAndrew Rist * KIND, either express or implied. See the License for the 17*d1766043SAndrew Rist * specific language governing permissions and limitations 18*d1766043SAndrew Rist * under the License. 19*d1766043SAndrew Rist * 20*d1766043SAndrew Rist *************************************************************/ 21*d1766043SAndrew Rist 22*d1766043SAndrew Rist 23cdf0e10cSrcweir#ifndef __com_sun_star_chart_XChartData_idl__ 24cdf0e10cSrcweir#define __com_sun_star_chart_XChartData_idl__ 25cdf0e10cSrcweir 26cdf0e10cSrcweir#ifndef __com_sun_star_uno_XInterface_idl__ 27cdf0e10cSrcweir#include <com/sun/star/uno/XInterface.idl> 28cdf0e10cSrcweir#endif 29cdf0e10cSrcweir 30cdf0e10cSrcweir#ifndef __com_sun_star_chart_XChartDataChangeEventListener_idl__ 31cdf0e10cSrcweir#include <com/sun/star/chart/XChartDataChangeEventListener.idl> 32cdf0e10cSrcweir#endif 33cdf0e10cSrcweir 34cdf0e10cSrcweir 35cdf0e10cSrcweir//============================================================================= 36cdf0e10cSrcweir 37cdf0e10cSrcweir module com { module sun { module star { module chart { 38cdf0e10cSrcweir 39cdf0e10cSrcweir//============================================================================= 40cdf0e10cSrcweir 41cdf0e10cSrcweir/** manages the data of the chart. 42cdf0e10cSrcweir 43cdf0e10cSrcweir @see XChartDocument 44cdf0e10cSrcweir */ 45cdf0e10cSrcweirpublished interface XChartData: com::sun::star::uno::XInterface 46cdf0e10cSrcweir{ 47cdf0e10cSrcweir //------------------------------------------------------------------------- 48cdf0e10cSrcweir 49cdf0e10cSrcweir /** allows a component supporting the 50cdf0e10cSrcweir <type>XChartDataChangeEventListener</type> interface to 51cdf0e10cSrcweir register as listener. The component will be notified with a 52cdf0e10cSrcweir <type>ChartDataChangeEvent</type> every time the chart's data 53cdf0e10cSrcweir changes.</p> 54cdf0e10cSrcweir 55cdf0e10cSrcweir @param aListener 56cdf0e10cSrcweir the component that is to be added as listener 57cdf0e10cSrcweir 58cdf0e10cSrcweir @see XChartDataChangeEventListener 59cdf0e10cSrcweir @see ChartDataChangeEvent 60cdf0e10cSrcweir */ 61cdf0e10cSrcweir void addChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener ); 62cdf0e10cSrcweir 63cdf0e10cSrcweir //------------------------------------------------------------------------- 64cdf0e10cSrcweir 65cdf0e10cSrcweir /** removes a previously registered listener. 66cdf0e10cSrcweir 67cdf0e10cSrcweir @param aListener 68cdf0e10cSrcweir the component that is to be removed 69cdf0e10cSrcweir */ 70cdf0e10cSrcweir void removeChartDataChangeEventListener( [in] com::sun::star::chart::XChartDataChangeEventListener aListener ); 71cdf0e10cSrcweir 72cdf0e10cSrcweir //------------------------------------------------------------------------- 73cdf0e10cSrcweir 74cdf0e10cSrcweir /** @returns 75cdf0e10cSrcweir the value which is to be used as an indicator for a 76cdf0e10cSrcweir missing value in the data. 77cdf0e10cSrcweir 78cdf0e10cSrcweir <p>In IEEE arithmetic format it is one of the NaN values, so 79cdf0e10cSrcweir there are no conflicts with existing numeric values.</p> 80cdf0e10cSrcweir */ 81cdf0e10cSrcweir double getNotANumber(); 82cdf0e10cSrcweir 83cdf0e10cSrcweir //------------------------------------------------------------------------- 84cdf0e10cSrcweir 85cdf0e10cSrcweir /** checks whether the value given is equal to the indicator value 86cdf0e10cSrcweir for a missing value. 87cdf0e10cSrcweir 88cdf0e10cSrcweir <p>In IEEE arithmetic format it is one of the NaN values, so 89cdf0e10cSrcweir there are no conflicts with existing numeric values.</p> 90cdf0e10cSrcweir 91cdf0e10cSrcweir <p>Always use this method to check, if a value is <em>not a 92cdf0e10cSrcweir number</em>. If you compare the value returned by 93cdf0e10cSrcweir <member>XChartData::getNotANumber</member> to another double 94cdf0e10cSrcweir value using the = operator, you may not get the desired 95cdf0e10cSrcweir result!</p> 96cdf0e10cSrcweir 97cdf0e10cSrcweir @returns 98cdf0e10cSrcweir <TRUE/> if the number given is interpreted by the chart as 99cdf0e10cSrcweir a missing value. 100cdf0e10cSrcweir 101cdf0e10cSrcweir @param nNumber 102cdf0e10cSrcweir the number that you want to check for validity. 103cdf0e10cSrcweir */ 104cdf0e10cSrcweir boolean isNotANumber( [in] double nNumber ); 105cdf0e10cSrcweir 106cdf0e10cSrcweir}; 107cdf0e10cSrcweir 108cdf0e10cSrcweir//============================================================================= 109cdf0e10cSrcweir 110cdf0e10cSrcweir}; }; }; }; 111cdf0e10cSrcweir 112cdf0e10cSrcweir#endif 113