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diff --git a/chart2/source/inc/ObjectIdentifier.hxx b/chart2/source/inc/ObjectIdentifier.hxx
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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 .
+ */
+#pragma once
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include "TitleHelper.hxx"
+#include "charttoolsdllapi.hxx"
+
+#include <rtl/ustring.hxx>
+#include <rtl/ref.hxx>
+
+namespace chart { class ChartModel; }
+namespace com::sun::star::awt { struct Point; }
+namespace com::sun::star::beans { class XPropertySet; }
+namespace com::sun::star::chart2 { class XAxis; }
+namespace com::sun::star::chart2 { class XChartDocument; }
+namespace com::sun::star::chart2 { class XCoordinateSystem; }
+namespace com::sun::star::chart2 { class XDataSeries; }
+namespace com::sun::star::chart2 { class XDiagram; }
+namespace com::sun::star::drawing { class XShape; }
+namespace com::sun::star::frame { class XModel; }
+namespace com::sun::star::uno { class XInterface; }
+
+namespace chart
+{
+class Axis;
+class BaseCoordinateSystem;
+class DataSeries;
+class Diagram;
+class Legend;
+
+enum ObjectType
+{
+    OBJECTTYPE_PAGE,
+    OBJECTTYPE_TITLE,
+    OBJECTTYPE_LEGEND,
+    OBJECTTYPE_LEGEND_ENTRY,
+    OBJECTTYPE_DIAGRAM,
+    OBJECTTYPE_DIAGRAM_WALL,
+    OBJECTTYPE_DIAGRAM_FLOOR,
+    OBJECTTYPE_AXIS,
+    OBJECTTYPE_AXIS_UNITLABEL,
+    OBJECTTYPE_GRID,
+    OBJECTTYPE_SUBGRID,
+    OBJECTTYPE_DATA_SERIES,
+    OBJECTTYPE_DATA_POINT,
+    OBJECTTYPE_DATA_LABELS,
+    OBJECTTYPE_DATA_LABEL,
+    OBJECTTYPE_DATA_ERRORS_X,
+    OBJECTTYPE_DATA_ERRORS_Y,
+    OBJECTTYPE_DATA_ERRORS_Z,
+    OBJECTTYPE_DATA_CURVE,//e.g. a statistical method printed as line
+    OBJECTTYPE_DATA_AVERAGE_LINE,
+    OBJECTTYPE_DATA_CURVE_EQUATION,
+    OBJECTTYPE_DATA_STOCK_RANGE,
+    OBJECTTYPE_DATA_STOCK_LOSS,
+    OBJECTTYPE_DATA_STOCK_GAIN,
+    OBJECTTYPE_SHAPE,
+    OBJECTTYPE_UNKNOWN
+};
+
+class OOO_DLLPUBLIC_CHARTTOOLS ObjectIdentifier
+{
+    //CID == ClassifiedIdentifier <--> name of shape
+    //semicolon, colon, equal sign and slash have special meanings in a CID
+    //and are therefore not allowed in its components
+
+    //syntax of a CID:  CID:/classification/ObjectID
+
+    //where classification: nothing or "MultiClick" or "DragMethod=DragMethodServiceName" and "DragParameter=DragParameterString"
+    //                      or a combination of these separated with a colon
+    //where DragMethodServiceName can be a selfdefined servicename for special actions //todo define standard service for this purpose
+    //where DragParameterString is any string you like to transport information to your special drag service
+    //                            only semicolon, colon, equal sign and slash are not allowed characters
+    //                            also the keywords used in the ObjectIdentifiers are not allowed
+
+    //where ObjectID: Parent-Particle:Particle //e.g. Series=2:Point=22
+    //where Particle: Type=ParticleID //e.g. Point=22
+    //where Type: getStringForType( ObjectType eType ) or other string
+
+public:
+    ObjectIdentifier();
+    ObjectIdentifier( const OUString& rObjectCID );
+    ObjectIdentifier( const css::uno::Reference< css::drawing::XShape >& rxShape );
+    ObjectIdentifier( const css::uno::Any& rAny );
+
+    bool operator==( const ObjectIdentifier& rOID ) const;
+    bool operator!=( const ObjectIdentifier& rOID ) const;
+    bool operator<( const ObjectIdentifier& rOID ) const;
+
+    static OUString createClassifiedIdentifierForObject(
+          const css::uno::Reference< css::uno::XInterface >& xObject
+        , const rtl::Reference<::chart::ChartModel>& xChartModel );
+    static OUString createClassifiedIdentifierForObject(
+          const rtl::Reference< ::chart::Legend >& xObject
+        , const rtl::Reference<::chart::ChartModel>& xChartModel );
+    static OUString createClassifiedIdentifierForObject(
+          const rtl::Reference< ::chart::Axis >& xObject
+        , const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    static OUString createClassifiedIdentifierForParticle(
+        std::u16string_view rParticle );
+
+    static OUString createClassifiedIdentifierForParticles(
+            std::u16string_view rParentParticle
+          , std::u16string_view rChildParticle
+          , std::u16string_view rDragMethodServiceName = std::u16string_view()
+          , std::u16string_view rDragParameterString = std::u16string_view() );
+
+    static OUString createClassifiedIdentifierForGrid(
+          const css::uno::Reference< css::chart2::XAxis >& xAxis
+        , const rtl::Reference<::chart::ChartModel>& xChartModel
+        , sal_Int32 nSubIndex = -1 );//-1: main grid, 0: first subgrid etc
+
+    SAL_DLLPRIVATE static OUString createParticleForDiagram();
+
+    static OUString createParticleForCoordinateSystem(
+          const rtl::Reference< ::chart::BaseCoordinateSystem >& xCooSys
+        , const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    static OUString createParticleForAxis(
+                      sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex );
+
+    static OUString createParticleForGrid(
+                      sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex );
+
+    static OUString createParticleForSeries( sal_Int32 nDiagramIndex, sal_Int32 nCooSysIndex
+            , sal_Int32 nChartTypeIndex, sal_Int32 nSeriesIndex );
+
+    static OUString createParticleForLegend(
+        const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    static OUString addChildParticle( std::u16string_view rParticle, std::u16string_view rChildParticle );
+    static OUString createChildParticleWithIndex( ObjectType eObjectType, sal_Int32 nIndex );
+    static sal_Int32 getIndexFromParticleOrCID( const OUString& rParticleOrCID );
+
+    static OUString createClassifiedIdentifier(
+        enum ObjectType eObjectType //e.g. OBJECTTYPE_DATA_SERIES
+        , std::u16string_view rParticleID );//e.g. SeriesID
+
+    static OUString createClassifiedIdentifierWithParent(
+        enum ObjectType //e.g. OBJECTTYPE_DATA_POINT or OBJECTTYPE_GRID
+        , std::u16string_view rParticleID //for points or subgrids this is an Index or otherwise an identifier from the model object
+        , std::u16string_view rParentPartical //e.g. "Series=SeriesID" or "Grid=GridId"
+        , std::u16string_view rDragMethodServiceName = std::u16string_view()
+        , std::u16string_view rDragParameterString = std::u16string_view()
+        );
+
+    static bool isCID( std::u16string_view rName );
+    static std::u16string_view getDragMethodServiceName( std::u16string_view rClassifiedIdentifier );
+    static std::u16string_view getDragParameterString( std::u16string_view rCID );
+    static bool isDragableObject( std::u16string_view rClassifiedIdentifier );
+    bool isDragableObject() const;
+    static bool isRotateableObject( std::u16string_view rClassifiedIdentifier );
+    static bool isMultiClickObject( std::u16string_view rClassifiedIdentifier );
+    static bool areSiblings( const OUString& rCID1, const OUString& rCID2 );//identical object is no sibling
+    static bool areIdenticalObjects( const OUString& rCID1, const OUString& rCID2 );
+
+    static OUString getStringForType( ObjectType eObjectType );
+    static ObjectType getObjectType( std::u16string_view rCID );
+    ObjectType getObjectType() const;
+
+    static OUString createSeriesSubObjectStub( ObjectType eSubObjectType
+                    , std::u16string_view rSeriesParticle
+                    , std::u16string_view rDragMethodServiceName = std::u16string_view()
+                    , std::u16string_view rDragParameterString = std::u16string_view() );
+    static OUString createPointCID( std::u16string_view rPointCID_Stub, sal_Int32 nIndex  );
+
+    static OUString createDataCurveCID( std::u16string_view rSeriesParticle, sal_Int32 nCurveIndex, bool bAverageLine );
+    static OUString createDataCurveEquationCID( std::u16string_view rSeriesParticle, sal_Int32 nCurveIndex );
+
+    SAL_DLLPRIVATE static OUString getObjectID( const OUString& rCID );
+    static std::u16string_view getParticleID( std::u16string_view rCID );
+    static std::u16string_view getFullParentParticle( std::u16string_view rCID );
+
+    //returns the series particle of a CID when the CID is a child of the series
+    static OUString getSeriesParticleFromCID( const OUString& rCID );
+
+    //return the model object that is indicated by rObjectCID
+    static css::uno::Reference< css::beans::XPropertySet >
+            getObjectPropertySet(
+                  const OUString& rObjectCID
+                , const rtl::Reference< ::chart::ChartModel >& xChartDocument );
+
+    //return the axis object that belongs to rObjectCID if any
+    static rtl::Reference< ::chart::Axis >
+            getAxisForCID(
+                  const OUString& rObjectCID
+                , const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    //return the series object that belongs to rObjectCID if any
+    static rtl::Reference< ::chart::DataSeries >
+            getDataSeriesForCID(
+                  const OUString& rObjectCID
+                , const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    static rtl::Reference< ::chart::Diagram >
+            getDiagramForCID(
+                  const OUString& rObjectCID
+                , const rtl::Reference<::chart::ChartModel>& xChartModel );
+
+    static const OUString& getPieSegmentDragMethodServiceName();
+    static OUString createPieSegmentDragParameterString(
+          sal_Int32 nOffsetPercent
+        , const css::awt::Point& rMinimumPosition
+        , const css::awt::Point& rMaximumPosition );
+    static bool parsePieSegmentDragParameterString( std::u16string_view rDragParameterString
+        , sal_Int32& rOffsetPercent
+        , css::awt::Point& rMinimumPosition
+        , css::awt::Point& rMaximumPosition );
+
+    static TitleHelper::eTitleType getTitleTypeForCID( std::u16string_view rCID );
+
+    static OUString getMovedSeriesCID( const OUString& rObjectCID, bool bForward );
+
+    bool isValid() const;
+    bool isAutoGeneratedObject() const;
+    bool isAdditionalShape() const;
+    const OUString& getObjectCID() const { return m_aObjectCID;}
+    const css::uno::Reference< css::drawing::XShape >& getAdditionalShape() const { return m_xAdditionalShape;}
+    css::uno::Any getAny() const;
+
+private:
+    // #i12587# support for shapes in chart
+    // For autogenerated chart objects a CID is specified in m_aObjectCID,
+    // for all other objects m_xAdditionalShape is set.
+    // Note, that if m_aObjectCID is set, m_xAdditionalShape must be empty
+    // and vice versa.
+    OUString m_aObjectCID;
+    css::uno::Reference< css::drawing::XShape > m_xAdditionalShape;
+};
+
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */