anchoredobjectposition.hxx

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#ifndef INCLUDED_SW_SOURCE_CORE_INC_ANCHOREDOBJECTPOSITION_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_ANCHOREDOBJECTPOSITION_HXX
 
#include <swtypes.hxx>
#include "frame.hxx"
#include <nodeoffset.hxx>
 
class SdrObject;
class SwFlyFrame;
class SwContact;
class SwFrameFormat;
class SwRect;
class SvxLRSpaceItem;
class SvxULSpaceItem;
class SwFormatHoriOrient;
class SwAnchoredObject;
 
namespace objectpositioning
{
    class SwEnvironmentOfAnchoredObject;
 
    class SwAnchoredObjectPosition
    {
    private:
        // object to be positioned
        SdrObject& mrDrawObj;
        // #i26791# - anchored object the object belongs to;
        SwAnchoredObject* mpAnchoredObj;
        // frame the object is anchored at
        SwFrame* mpAnchorFrame;
        // contact object
        SwContact* mpContact;
        // frame format
        const SwFrameFormat* mpFrameFormat;
        // does the object represents a Writer fly frame
        bool mbIsObjFly;
        // #i62875#
        bool mbFollowTextFlow;
        // #i62875#
        // for compatibility option <DoNotCaptureDrawObjsOnPage>
        bool mbDoNotCaptureAnchoredObj;
 
        void GetInfoAboutObj();
 
        // #i62875#
        // --> OD 2009-09-01 #mongolianlayout# - add parameter <bVertL2R>
        SwTwips ImplAdjustVertRelPos( const SwTwips nTopOfAnch,
                                       const bool bVert,
                                       const bool bVertL2R,
                                       const SwFrame&  rPageAlignLayFrame,
                                       const SwTwips nProposedRelPosY,
                                       const bool bFollowTextFlow,
                                       const bool bCheckBottom ) const;
        SwTwips ImplAdjustHoriRelPos( const SwFrame&  _rPageAlignLayFrame,
                                       const SwTwips _nProposedRelPosX ) const;
 
    protected:
        SwAnchoredObjectPosition( SdrObject& _rDrawObj );
        virtual ~SwAnchoredObjectPosition();
 
        // accessors for object and its corresponding data/information
        SdrObject& GetObject() const
        {
            return mrDrawObj;
        }
        bool IsObjFly() const
        {
            return mbIsObjFly;
        }
        SwAnchoredObject& GetAnchoredObj() const
        {
            return *mpAnchoredObj;
        }
        SwFrame& GetAnchorFrame() const
        {
            return *mpAnchorFrame;
        }
        const SwFrameFormat& GetFrameFormat() const
        {
            return *mpFrameFormat;
        }
        // #i62875#
        bool DoesObjFollowsTextFlow() const
        {
            return mbFollowTextFlow;
        }
 
        // virtual methods providing data for to character anchored objects.
        virtual bool IsAnchoredToChar() const;
        virtual const SwFrame* ToCharOrientFrame() const;
        virtual const SwRect* ToCharRect() const;
        // #i22341#
        virtual SwTwips ToCharTopOfLine() const;
 
        SwTwips GetTopForObjPos( const SwFrame& _rFrame,
                                  const SwRectFn& _fnRect,
                                  const bool _bVert ) const;
 
        void GetVertAlignmentValues( const SwFrame& _rVertOrientFrame,
                                      const SwFrame& _rPageAlignLayFrame,
                                      const sal_Int16 _eRelOrient,
                                      SwTwips&      _orAlignAreaHeight,
                                      SwTwips&      _orAlignAreaOffset ) const;
 
        // #i26791# - add output parameter <_roVertOffsetToFrameAnchorPos>
        SwTwips GetVertRelPos( const SwFrame& _rVertOrientFrame,
                                const SwFrame& _rPageAlignLayFrame,
                                const sal_Int16 _eVertOrient,
                                const sal_Int16 _eRelOrient,
                                const SwTwips          _nVertPos,
                                const SvxLRSpaceItem& _rLRSpacing,
                                const SvxULSpaceItem& _rULSpacing,
                                SwTwips& _roVertOffsetToFrameAnchorPos ) const;
 
        SwTwips AdjustVertRelPos( const SwTwips nTopOfAnch,
                                          const bool bVert,
                                          const bool bVertL2R,
                                          const SwFrame& rPageAlignLayFrame,
                                          const SwTwips nProposedRelPosY,
                                          const bool bFollowTextFlow,
                                          const bool bCheckBottom = true ) const
        {
            return !mbDoNotCaptureAnchoredObj
                   ? ImplAdjustVertRelPos( nTopOfAnch, bVert, bVertL2R,
                                            rPageAlignLayFrame,
                                            nProposedRelPosY,
                                            bFollowTextFlow,
                                            bCheckBottom )
                   : nProposedRelPosY;
        }
 
        SwTwips CalcRelPosX( const SwFrame& _rHoriOrientFrame,
                              const SwEnvironmentOfAnchoredObject& _rEnvOfObj,
                              const SwFormatHoriOrient& _rHoriOrient,
                              const SvxLRSpaceItem& _rLRSpacing,
                              const SvxULSpaceItem& _rULSpacing,
                              const bool _bObjWrapThrough,
                              const SwTwips _nRelPosY,
                              SwTwips& _roHoriOffsetToFrameAnchorPos
                            ) const;
 
        SwTwips AdjustHoriRelPos( const SwFrame&  _rPageAlignLayFrame,
                                          const SwTwips _nProposedRelPosX ) const
        {
            return !mbDoNotCaptureAnchoredObj
                   ? ImplAdjustHoriRelPos( _rPageAlignLayFrame, _nProposedRelPosX )
                   : _nProposedRelPosX;
        }
 
        static void ToggleHoriOrientAndAlign( const bool _bToggleLeftRight,
                                        sal_Int16& _ioeHoriOrient,
                                        sal_Int16& _iopeRelOrient
                                      );
 
        void GetHoriAlignmentValues( const SwFrame&  _rHoriOrientFrame,
                                      const SwFrame&  _rPageAlignLayFrame,
                                      const sal_Int16 _eRelOrient,
                                      const bool    _bObjWrapThrough,
                                      SwTwips&      _orAlignAreaWidth,
                                      SwTwips&      _orAlignAreaOffset,
                                      bool&         _obAlignedRelToPage ) const;
 
        SwTwips AdjustHoriRelPosForDrawAside( const SwFrame&  _rHoriOrientFrame,
                                               const SwTwips _nProposedRelPosX,
                                               const SwTwips _nRelPosY,
                                               const sal_Int16 _eHoriOrient,
                                               const sal_Int16 _eRelOrient,
                                               const SvxLRSpaceItem& _rLRSpacing,
                                               const SvxULSpaceItem& _rULSpacing,
                                               const bool _bEvenPage
                                             ) const;
 
        bool DrawAsideFly( const SwFlyFrame* _pFly,
                            const SwRect&   _rObjRect,
                            const SwFrame*    _pObjContext,
                            const SwNodeOffset     _nObjIndex,
                            const bool      _bEvenPage,
                            const sal_Int16 _eHoriOrient,
                            const sal_Int16 _eRelOrient
                          ) const;
 
        static bool Minor_( sal_Int16 _eRelOrient1,
                     sal_Int16 _eRelOrient2,
                     bool             _bLeft );
 
    public:
        virtual void CalcPosition() = 0;
    };
}
 
#endif
 
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