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 #ifndef IDOCUMENTCHARTDATAPROVIDER_HXX_INCLUDED
 #define IDOCUMENTCHARTDATAPROVIDER_HXX_INCLUDED

#include "com/sun/star/uno/Reference.hxx"

namespace com { namespace sun { namespace star { namespace frame {
    class XModel;
}}}}

class SwTable;
class SwChartDataProvider;
class SwChartLockController_Helper;


 /** Give access to the data-provider for chart
 */
 class IDocumentChartDataProviderAccess
 {
 public:

    /**
        returns or creates the data-provider for chart
    */
    virtual SwChartDataProvider * GetChartDataProvider( bool bCreate = false ) const = 0;

    /**
        calls createInternalDataProvider for all charts using the specified table
    */
    virtual void CreateChartInternalDataProviders( const SwTable *pTable ) = 0;

    /**
        returns chart controller helper that is used to lock/unlock all
        charts when relevant parts of tables are changed
    */
    virtual SwChartLockController_Helper & GetChartControllerHelper() = 0;

 protected:
    virtual ~IDocumentChartDataProviderAccess() {};
 };

 #endif // IDOCUMENTCHARTDATAPROVIDER_HXX_INCLUDED

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