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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#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;
};

struct DatePlusIndex
{
    DatePlusIndex()
        : fValue(1.0)
        , nIndex( -1 )
    {
    }

    DatePlusIndex( const double& _fValue, sal_Int32 _nIndex )
        : fValue(_fValue)
        , nIndex( _nIndex )
    {
    }

    double fValue;
    sal_Int32 nIndex;
};

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::Reference<
        ::com::sun::star::chart2::data::XDataSequence > getOriginalCategories();

    ::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 );

    static void convertCategoryAnysToText( ::com::sun::star::uno::Sequence< rtl::OUString >& rOutTexts
        , const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& rInAnys
        , ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel > xChartModel );

    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();

    bool isDateAxis();
    const std::vector< DatePlusIndex >&  getDateCategories();

private: //member
    bool volatile m_bDirty;
    ::com::sun::star::uno::WeakReference<
        ::com::sun::star::chart2::XCoordinateSystem >   m_xCooSysModel;
    ::com::sun::star::uno::WeakReference<
        ::com::sun::star::frame::XModel >               m_xChartModel;
    ::com::sun::star::uno::Reference<
        ::com::sun::star::chart2::data::XLabeledDataSequence> m_xOriginalCategories;

    bool m_bIsExplicitCategoriesInited;
    ::com::sun::star::uno::Sequence< ::rtl::OUString >  m_aExplicitCategories;
    ::std::vector< ::std::vector< ComplexCategory > >   m_aComplexCats;
    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference<
        ::com::sun::star::chart2::data::XLabeledDataSequence> > m_aSplitCategoriesList;

    bool m_bIsDateAxis;
    bool m_bIsAutoDate;
    std::vector< DatePlusIndex >  m_aDateCategories;
};

} //  namespace chart

// CHART2_VIEW_EXPLICITCATEGORIESPROVIDER_HXX
#endif