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diff --git a/chart2/source/inc/DataSourceHelper.hxx b/chart2/source/inc/DataSourceHelper.hxx
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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 _CHART2_DATASOURCEHELPER_HXX
+#define _CHART2_DATASOURCEHELPER_HXX
+
+#include <com/sun/star/chart2/XChartDocument.hpp>
+#include <com/sun/star/chart2/XDiagram.hpp>
+#include <com/sun/star/chart2/data/XDataSource.hpp>
+#include <com/sun/star/chart2/data/XLabeledDataSequence.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include "charttoolsdllapi.hxx"
+
+#include <vector>
+
+//.............................................................................
+namespace chart
+{
+//.............................................................................
+
+//-----------------------------------------------------------------------------
+/**
+*/
+
+class OOO_DLLPUBLIC_CHARTTOOLS DataSourceHelper
+{
+public:
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSource >
+            createDataSource( const ::com::sun::star::uno::Sequence<
+                ::com::sun::star::uno::Reference<
+                    ::com::sun::star::chart2::data::XLabeledDataSequence > > & rSequences );
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSequence >
+            createCachedDataSequence();
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSequence >
+            createCachedDataSequence( const ::rtl::OUString & rSingleText );
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XLabeledDataSequence >
+            createLabeledDataSequence(
+                const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSequence >& xValues ,
+                const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSequence >& xLabels );
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XLabeledDataSequence >
+            createLabeledDataSequence(
+                const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSequence >& xValues );
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XLabeledDataSequence >
+            createLabeledDataSequence(
+                const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext );
+
+        static ::com::sun::star::uno::Sequence<
+               ::com::sun::star::beans::PropertyValue > createArguments(
+                   bool bUseColumns, bool bFirstCellAsLabel, bool bHasCategories );
+
+        static ::com::sun::star::uno::Sequence<
+               ::com::sun::star::beans::PropertyValue > createArguments(
+                   const ::rtl::OUString & rRangeRepresentation,
+                   const ::com::sun::star::uno::Sequence< sal_Int32 >& rSequenceMapping,
+                   bool bUseColumns, bool bFirstCellAsLabel, bool bHasCategories );
+
+        SAL_DLLPRIVATE static void readArguments( const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rArguments
+            , ::rtl::OUString & rRangeRepresentation, ::com::sun::star::uno::Sequence< sal_Int32 >& rSequenceMapping
+            , bool& bUseColumns, bool& bFirstCellAsLabel, bool& bHasCategories );
+
+        static ::com::sun::star::uno::Reference< ::com::sun::star::chart2::data::XDataSource >
+            pressUsedDataIntoRectangularFormat( const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::XChartDocument >& xChartDoc,
+                bool bWithCategories = true );
+
+        static void addRangeRepresentationsFromLabeledDataSequence(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XLabeledDataSequence >& xLabeledDataSequence
+            ,  ::std::vector< ::rtl::OUString >& rOutRangeRepresentations );
+
+        SAL_DLLPRIVATE static ::com::sun::star::uno::Sequence< ::rtl::OUString > getUsedDataRanges(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::XDiagram > & xDiagram );
+
+        static ::com::sun::star::uno::Sequence< ::rtl::OUString > getUsedDataRanges(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::frame::XModel > & xChartModel );
+
+        static ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XDataSource > getUsedData(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::frame::XModel >& xChartModel );
+
+        static ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XDataSource > getUsedData(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::XChartDocument >& xChartDoc );
+
+        static bool detectRangeSegmentation(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::frame::XModel >& xChartModel
+            , ::rtl::OUString& rOutRangeString
+            , ::com::sun::star::uno::Sequence< sal_Int32 >& rSequenceMapping
+            , bool& rOutUseColumns
+            , bool& rOutFirstCellAsLabel
+            , bool& rOutHasCategories );
+
+        static void setRangeSegmentation(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::frame::XModel >& xChartModel
+            , const ::com::sun::star::uno::Sequence< sal_Int32 >& rSequenceMapping
+            , bool bUseColumns
+            , bool bFirstCellAsLabel
+            , bool bUseCategories );
+
+        /** Returns true, if all arguments necessary for getting all data by a
+            rectangular region are returned by detectArguments at the given
+            document's data provider.
+
+            Currently, this is: CellRangeRepresentation, DataRowSource,
+            HasCategories and FirstCellAsLabel.
+         */
+        static bool allArgumentsForRectRangeDetected(
+            const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XChartDocument >& xChartDocument );
+
+        SAL_DLLPRIVATE static ::com::sun::star::uno::Sequence< ::rtl::OUString > getRangesFromLabeledDataSequence(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XLabeledDataSequence > & xLSeq );
+
+        SAL_DLLPRIVATE static ::rtl::OUString getRangeFromValues(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XLabeledDataSequence > & xLSeq );
+
+        SAL_DLLPRIVATE static ::com::sun::star::uno::Sequence< ::rtl::OUString > getRangesFromDataSource(
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::chart2::data::XDataSource > & xSource );
+};
+
+//.............................................................................
+} //namespace chart
+//.............................................................................
+#endif