| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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 |