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#ifndef _CHART_CACHEDDATASEQUENCE_HXX
#define _CHART_CACHEDDATASEQUENCE_HXX

// helper classes
#include <cppuhelper/compbase7.hxx>
#include <comphelper/uno3.hxx>
#include <comphelper/broadcasthelper.hxx>
#include <comphelper/propertycontainer.hxx>
#include <comphelper/proparrhlp.hxx>
#include "ServiceMacros.hxx"

// interfaces and types
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/chart2/data/XDataSequence.hpp>
#include <com/sun/star/chart2/data/XNumericalDataSequence.hpp>
#include <com/sun/star/chart2/data/XTextualDataSequence.hpp>
#include <com/sun/star/util/XCloneable.hpp>
#include <com/sun/star/util/XModifyBroadcaster.hpp>

#include <vector>

// ____________________
namespace chart
{

namespace impl
{
typedef ::cppu::WeakComponentImplHelper7<
    ::com::sun::star::chart2::data::XDataSequence,
    ::com::sun::star::chart2::data::XNumericalDataSequence,
    ::com::sun::star::chart2::data::XTextualDataSequence,
    ::com::sun::star::util::XCloneable,
    ::com::sun::star::util::XModifyBroadcaster,
    ::com::sun::star::lang::XInitialization,
    ::com::sun::star::lang::XServiceInfo >
    CachedDataSequence_Base;
}

class CachedDataSequence :
        public ::comphelper::OMutexAndBroadcastHelper,
        public ::comphelper::OPropertyContainer,
        public ::comphelper::OPropertyArrayUsageHelper< CachedDataSequence >,
        public impl::CachedDataSequence_Base
{
public:
    /** constructs an empty sequence
     */
    CachedDataSequence();

	explicit CachedDataSequence(
        const ::com::sun::star::uno::Reference<
            ::com::sun::star::uno::XComponentContext > & xContext );

    /** creates a sequence and initializes it with the given string.  This is
        especially useful for labels, which only have one element.
     */
	explicit CachedDataSequence( const ::rtl::OUString & rSingleText );

    /// Copy CTOR
    explicit CachedDataSequence( const CachedDataSequence & rSource );

	virtual ~CachedDataSequence();

    /// establish methods for factory instatiation
	APPHELPER_SERVICE_FACTORY_HELPER( CachedDataSequence )
    /// declare XServiceInfo methods
    APPHELPER_XSERVICEINFO_DECL()

    /// merge XInterface implementations
	DECLARE_XINTERFACE()
    /// merge XTypeProvider implementations
	DECLARE_XTYPEPROVIDER()

protected:
    // ____ XPropertySet ____
    /// @see ::com::sun::star::beans::XPropertySet
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo()
        throw (::com::sun::star::uno::RuntimeException);
    /// @see ::comphelper::OPropertySetHelper
	virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper();
    /// @see ::comphelper::OPropertyArrayUsageHelper
	virtual ::cppu::IPropertyArrayHelper* createArrayHelper() const;

    // ____ XDataSequence ____
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > SAL_CALL getData()
        throw (::com::sun::star::uno::RuntimeException);
    virtual ::rtl::OUString SAL_CALL getSourceRangeRepresentation()
        throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL generateLabel(
        ::com::sun::star::chart2::data::LabelOrigin nLabelOrigin )
        throw (::com::sun::star::uno::RuntimeException);
    virtual ::sal_Int32 SAL_CALL getNumberFormatKeyByIndex( ::sal_Int32 nIndex )
        throw (::com::sun::star::lang::IndexOutOfBoundsException,
               ::com::sun::star::uno::RuntimeException);

    // ____ XNumericalDataSequence ____
    /// @see ::com::sun::star::chart::data::XNumericalDataSequence
    virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getNumericalData() throw (::com::sun::star::uno::RuntimeException);

    // ____ XTextualDataSequence ____
    /// @see ::com::sun::star::chart::data::XTextualDataSequence
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getTextualData() throw (::com::sun::star::uno::RuntimeException);

    // ____ XCloneable ____
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::util::XCloneable > SAL_CALL createClone()
        throw (::com::sun::star::uno::RuntimeException);

    // ____ XModifyBroadcaster ____
    virtual void SAL_CALL addModifyListener(
        const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyListener >& aListener )
        throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeModifyListener(
        const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyListener >& aListener )
        throw (::com::sun::star::uno::RuntimeException);

    // ::com::sun::star::lang::XInitialization:
    virtual void SAL_CALL initialize(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > & aArguments) 
        throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::uno::Exception);

    // <properties>
    sal_Int32                                       m_nNumberFormatKey;
    ::rtl::OUString                                 m_sRole;
    // </properties>

    enum DataType
    {
        NUMERICAL,
        TEXTUAL,
        MIXED
    };

    /** This method registers all properties.  It should be called by all
        constructors.
     */
    void registerProperties();

private:
    /** is used by interface method getNumericalData().
     */
    ::com::sun::star::uno::Sequence< double > Impl_getNumericalData() const;
    /** is used by interface method getTextualData().
     */
    ::com::sun::star::uno::Sequence< ::rtl::OUString > Impl_getTextualData() const;
    /** is used by interface method getData().
     */
    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > Impl_getMixedData() const;

private:
    enum DataType                                       m_eCurrentDataType;

    ::com::sun::star::uno::Sequence< double >           m_aNumericalSequence;
    ::com::sun::star::uno::Sequence< ::rtl::OUString >  m_aTextualSequence;
    ::com::sun::star::uno::Sequence<
        ::com::sun::star::uno::Any >                    m_aMixedSequence;
    ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyListener >
        m_xModifyEventForwarder;
};

}  // namespace chart


// _CHART_CACHEDDATASEQUENCE_HXX
#endif
