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diff --git a/chart2/source/inc/ExplicitCategoriesProvider.hxx b/chart2/source/inc/ExplicitCategoriesProvider.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_VIEW_EXPLICITCATEGORIESPROVIDER_HXX
+#define CHART2_VIEW_EXPLICITCATEGORIESPROVIDER_HXX
+
+#include "ServiceMacros.hxx"
+#include <cppuhelper/implbase1.hxx>
+#include <cppuhelper/weakref.hxx>
+#include <com/sun/star/chart2/XCoordinateSystem.hpp>
+#include <com/sun/star/chart2/data/XTextualDataSequence.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include "charttoolsdllapi.hxx"
+
+#include <vector>
+
+namespace chart
+{
+
+struct OOO_DLLPUBLIC_CHARTTOOLS ComplexCategory
+{
+    rtl::OUString Text;
+    sal_Int32 Count;
+
+    ComplexCategory( const rtl::OUString& rText, sal_Int32 nCount ) : Text( rText ), Count (nCount)
+    {}
+};
+
+class OOO_DLLPUBLIC_CHARTTOOLS SplitCategoriesProvider
+{
+public:
+    virtual ~SplitCategoriesProvider();
+
+    virtual sal_Int32 getLevelCount() const = 0;
+    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > getStringsForLevel( sal_Int32 nIndex ) const = 0;
+};
+
+class OOO_DLLPUBLIC_CHARTTOOLS ExplicitCategoriesProvider
+{
+public:
+    ExplicitCategoriesProvider( const ::com::sun::star::uno::Reference<
+                        ::com::sun::star::chart2::XCoordinateSystem >& xCooSysModel
+                       , const ::com::sun::star::uno::Reference<
+                        ::com::sun::star::frame::XModel >& xChartModel
+                       );
+    virtual ~ExplicitCategoriesProvider();
+
+    void init();
+
+    ::com::sun::star::uno::Sequence< ::rtl::OUString > getSimpleCategories();
+    ::std::vector< ComplexCategory > getCategoriesByLevel( sal_Int32 nLevel );
+
+    static ::rtl::OUString getCategoryByIndex(
+          const ::com::sun::star::uno::Reference<
+            ::com::sun::star::chart2::XCoordinateSystem >& xCooSysModel
+        , const ::com::sun::star::uno::Reference<
+            ::com::sun::star::frame::XModel >& xChartModel
+        , sal_Int32 nIndex );
+
+    static ::com::sun::star::uno::Sequence< ::rtl::OUString > getExplicitSimpleCategories(
+            const SplitCategoriesProvider& rSplitCategoriesProvider );
+
+    bool hasComplexCategories() const;
+    sal_Int32 getCategoryLevelCount() const;
+
+    const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference<
+        ::com::sun::star::chart2::data::XLabeledDataSequence> >& getSplitCategoriesList();
+
+private: //member
+    ::com::sun::star::uno::Sequence< ::rtl::OUString >  m_aExplicitCategories;
+    ::std::vector< ::std::vector< ComplexCategory > >   m_aComplexCats;
+    bool volatile m_bDirty;
+
+    ::com::sun::star::uno::WeakReference<
+        ::com::sun::star::chart2::XCoordinateSystem > m_xCooSysModel;
+    ::com::sun::star::uno::Reference<
+        ::com::sun::star::chart2::data::XLabeledDataSequence> m_xOriginalCategories;
+    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference<
+        ::com::sun::star::chart2::data::XLabeledDataSequence> > m_aSplitCategoriesList;
+};
+
+} //  namespace chart
+
+// CHART2_VIEW_EXPLICITCATEGORIESPROVIDER_HXX
+#endif