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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /offapi/com/sun/star/chart/XChartData.idl
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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_chart_XChartData_idl__
+#define __com_sun_star_chart_XChartData_idl__
+
+#include <com/sun/star/uno/XInterface.idl>
+
+#include <com/sun/star/chart/XChartDataChangeEventListener.idl>
+
+
+
+ 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
+ XChartDataChangeEventListener interface to
+ register as listener. The component will be notified with a
+ ChartDataChangeEvent 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
+ XChartData::getNotANumber() 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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */