AOO410/main/svx/inc/svx/gridctrl.hxx

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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
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#ifndef _SVX_GRIDCTRL_HXX
#define _SVX_GRIDCTRL_HXX

#include <tools/list.hxx>
#include <com/sun/star/sdbc/XRowSet.hpp>
#include <com/sun/star/sdbc/XRowSetListener.hpp>
#include <com/sun/star/sdb/XRowsChangeListener.hpp>
#include <com/sun/star/beans/PropertyChangeEvent.hpp>
#include <com/sun/star/util/XNumberFormatter.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <vcl/fixed.hxx>
#include <vcl/field.hxx>

#ifndef _SV_BUTTON_HXX //autogen
#include <vcl/button.hxx>
#endif
#include <tools/date.hxx>
#include <tools/ref.hxx>
#include <svtools/editbrowsebox.hxx>
#include <vos/mutex.hxx>
#include <comphelper/propmultiplex.hxx>
#include <svtools/transfer.hxx>
#include "svx/svxdllapi.h"

class DbGridControl;
class CursorWrapper;

sal_Bool CompareBookmark(const ::com::sun::star::uno::Any& aLeft, const ::com::sun::star::uno::Any& aRight);

namespace svxform
{
	class DataColumn;
}
DECLARE_LIST(DbDataColumns, ::svxform::DataColumn*)

enum GridRowStatus
{
	GRS_CLEAN,
	GRS_MODIFIED,
	GRS_DELETED,
	GRS_INVALID
};

//==================================================================
// DbGridRow, Zeilenbeschreibung
//==================================================================

class DbGridRow : public SvRefBase
{
	::com::sun::star::uno::Any						m_aBookmark;		// ::com::sun::star::text::Bookmark der Zeile, kann gesetzt sein
	DbDataColumns				m_aVariants;
	GridRowStatus				m_eStatus;
	sal_Bool						m_bIsNew;
													// Zeile ist nicht mehr gueltig,
													// wird bei der naechsten positionierung entfernt
public:
	DbGridRow():m_eStatus(GRS_CLEAN), m_bIsNew(sal_True) { }
	DbGridRow(CursorWrapper* pCur, sal_Bool bPaintCursor);
	void SetState(CursorWrapper* pCur, sal_Bool bPaintCursor);

	~DbGridRow();

	// da GetField auf Geschwindigkeit getuned ist vorher immer noch hasField verwenden
	sal_Bool HasField(sal_uInt32 nPos) const {return nPos < m_aVariants.Count();}
	const ::svxform::DataColumn& GetField(sal_uInt32 nPos) const { return *m_aVariants.GetObject(nPos); }

	void			SetStatus(GridRowStatus _eStat) { m_eStatus = _eStat; }
	GridRowStatus	GetStatus() const				{ return m_eStatus; }
	void			SetNew(sal_Bool _bNew)				{ m_bIsNew = _bNew; }
	sal_Bool			IsNew() const					{ return m_bIsNew; }

	const ::com::sun::star::uno::Any& GetBookmark() const { return m_aBookmark; }

	sal_Bool	IsValid() const { return m_eStatus == GRS_CLEAN || m_eStatus == GRS_MODIFIED; }
	sal_Bool	IsModified() const { return m_eStatus == GRS_MODIFIED; }
};

SV_DECL_REF(DbGridRow)

//==================================================================
// DbGridControl
//==================================================================
class DbGridColumn;
DECLARE_LIST(DbGridColumns, DbGridColumn*)

//==================================================================
class FmGridListener
{
public:
	virtual void selectionChanged() = 0;
    virtual void columnChanged() = 0;
};

#define GRID_COLUMN_NOT_FOUND   ((sal_uInt16)-1)

//==================================================================
// InitWindowFacet, describing which aspect of a column's Window to (re-)initialize
//==================================================================
enum InitWindowFacet
{
    InitFont        = 0x01,
    InitForeground  = 0x02,
    InitBackground  = 0x04,
    InitWritingMode = 0x08,
    InitAll         = 0xFF
};

//==================================================================
class FmXGridSourcePropListener;
class DisposeListenerGridBridge;
typedef ::svt::EditBrowseBox	DbGridControl_Base;
class SVX_DLLPUBLIC DbGridControl : public DbGridControl_Base
{
	friend class FmXGridSourcePropListener;
	friend class GridFieldValueListener;
	friend class DisposeListenerGridBridge;

public:
	//==================================================================
	// NavigationBar
	//==================================================================
	class NavigationBar: public Control
	{
		class AbsolutePos : public NumericField
		{
		public:
			AbsolutePos(Window* pParent, WinBits nStyle = 0);

			virtual void KeyInput(const KeyEvent& rEvt);
			virtual void LoseFocus();
		};

		friend class NavigationBar::AbsolutePos;

		//	zusaetzliche Controls
		FixedText		m_aRecordText;
		AbsolutePos		m_aAbsolute;			// AbsolutePositionierung
		FixedText		m_aRecordOf;
		FixedText		m_aRecordCount;

		ImageButton		m_aFirstBtn;			// ImageButton fuer 'gehe zum ersten Datensatz'
		ImageButton		m_aPrevBtn;			// ImageButton fuer 'gehe zum vorhergehenden Datensatz'
		ImageButton		m_aNextBtn;			// ImageButton fuer 'gehe zum naechsten Datensatz'
		ImageButton		m_aLastBtn;			// ImageButton fuer 'gehe zum letzten Datensatz'
		ImageButton		m_aNewBtn;			// ImageButton fuer 'gehe zum neuen Datensatz'
		sal_uInt16		m_nDefaultWidth;
		sal_Int32		m_nCurrentPos;

		sal_Bool			m_bPositioning;		// protect PositionDataSource against recursion

	public:
		//	StatusIds fuer Controls der Bar
		//  wichtig fuers Invalidieren
		enum State
		{
			RECORD_TEXT	= 1,
			RECORD_ABSOLUTE,
			RECORD_OF,
			RECORD_COUNT,
			RECORD_FIRST,
			RECORD_NEXT,
			RECORD_PREV,
			RECORD_LAST,
			RECORD_NEW
		};

		NavigationBar(Window* pParent, WinBits nStyle = 0);

		// Status Methoden fuer Controls
		void InvalidateAll(sal_Int32 nCurrentPos = -1, sal_Bool bAll = sal_False);
		void InvalidateState(sal_uInt16 nWhich) {SetState(nWhich);}
		void SetState(sal_uInt16 nWhich);
		sal_Bool GetState(sal_uInt16 nWhich) const;
		sal_uInt16 GetDefaultWidth() const {return m_nDefaultWidth;}

	protected:
		virtual void Resize();
		virtual void Paint(const Rectangle& rRect);
		virtual void StateChanged( StateChangedType nType );

	private:
		DECL_LINK(OnClick, Button*);
		sal_uInt16 ArrangeControls();

		void PositionDataSource(sal_Int32 nRecord);
	};

	friend class DbGridControl::NavigationBar;

public:
	// diese Optionen werden verodert und geben an, welche der einzelnen feature
	// freigegeben werden koennen, default ist readonly also 0
	enum Option
	{
		OPT_READONLY	= 0x00,
		OPT_INSERT		= 0x01,
		OPT_UPDATE		= 0x02,
		OPT_DELETE		= 0x04
	};

private:
	Font			m_aDefaultFont;
	Link			m_aMasterStateProvider;
	Link			m_aMasterSlotExecutor;

	::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter > 		m_xFormatter;
	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >	m_xServiceFactory;

	DbGridColumns	m_aColumns;			// Spaltenbeschreibung
	NavigationBar	m_aBar;
	DbGridRowRef	m_xDataRow;			// Zeile die modifiziert werden kann
										// kommt vom DatenCursor
	DbGridRowRef	m_xSeekRow,			// Zeile die von Iterator gesetzt wird
										// kommt vom DatenCursor

					m_xEmptyRow;		// Datensatz zum einfuegen

	sal_uInt32			m_nAsynAdjustEvent;

	// if we modify the row for the new record, we automatically insert a "new new row".
	// But if somebody else inserts a new record into the data source, we have to do the same.
	// For that reason we have to listen to some properties of our data source.
	::comphelper::OPropertyChangeMultiplexer*		m_pDataSourcePropMultiplexer;
	FmXGridSourcePropListener*						m_pDataSourcePropListener;
    ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XRowsChangeListener>		
                                                    m_xRowSetListener; // get notification when rows were changed

	void*											m_pFieldListeners;
		// property listeners for field values

	DisposeListenerGridBridge*						m_pCursorDisposeListener;
		// need to know about the diposing of the seek cursor
		// construct analogous to the data source proplistener/multiplexer above :
		// DisposeListenerGridBridge is a bridge from FmXDisposeListener which I don't want to be derived from

    FmGridListener*                                 m_pGridListener;

protected:
	CursorWrapper*	m_pDataCursor;		// Cursor fuer Updates
	CursorWrapper*  m_pSeekCursor;		// Cursor zum Seeken

private:
	// dieses sind Laufvariablen
	DbGridRowRef		m_xCurrentRow;		// Row an der aktuellen Zeile
	DbGridRowRef		m_xPaintRow;		// Row die gerade drgestellt werden soll
	sal_Int32			m_nSeekPos;			// Position des SeekCursors
	sal_Int32			m_nTotalCount;		// wird gesetzt, wenn der DatenCursor mit dem Zählen der
											// Datensätze fertig ist
											// initial Wert ist -1
	osl::Mutex			m_aDestructionSafety;
	osl::Mutex			m_aAdjustSafety;

	com::sun::star::util::Date
						m_aNullDate;		// NullDate of the Numberformatter;

	BrowserMode			m_nMode;
	sal_Int32			m_nCurrentPos;		// Aktuelle Position;
	sal_uInt32			m_nDeleteEvent;		// EventId fuer asychrone Loeschen von Zeilen
	sal_uInt16			m_nOptions;			// Was kann das Control (Insert, Update, Delete)
										// default readonly
	sal_uInt16			m_nOptionMask;		// the mask of options to be enabled in setDataSource
										// (with respect to the data source capabilities)
										// defaults to (insert | update | delete)
	sal_uInt16              m_nLastColId;
    long                m_nLastRowId;

	sal_Bool			m_bDesignMode : 1;		// default = sal_False
	sal_Bool			m_bRecordCountFinal : 1;
	sal_Bool			m_bMultiSelection   : 1;
	sal_Bool			m_bNavigationBar	  : 1;

	sal_Bool			m_bSynchDisplay : 1;
	sal_Bool			m_bForceROController : 1;
	sal_Bool			m_bHandle : 1;
	sal_Bool			m_bFilterMode : 1;
	sal_Bool			m_bWantDestruction : 1;
	sal_Bool			m_bInAdjustDataSource : 1;
	sal_Bool			m_bPendingAdjustRows : 1;	// if an async adjust is pending, is it for AdjustRows or AdjustDataSource ?
    sal_Bool            m_bHideScrollbars : 1;

protected:
	sal_Bool			m_bUpdating : 1;			// werden gerade updates durchgefuehrt

protected:
	virtual sal_Bool SeekRow(long nRow);
	virtual void VisibleRowsChanged( long nNewTopRow, sal_uInt16 nNumRows);
	virtual void PaintStatusCell(OutputDevice& rDev, const Rectangle& rRect) const;
	virtual void PaintCell(OutputDevice& rDev, const Rectangle& rRect, sal_uInt16 nColId) const;
	virtual RowStatus GetRowStatus(long nRow) const;
	virtual sal_Bool CursorMoving(long nNewRow, sal_uInt16 nNewCol);
	virtual void CursorMoved();
	virtual void ArrangeControls(sal_uInt16& nX, sal_uInt16 nY);
	virtual sal_uInt32 GetTotalCellWidth(long nRow, sal_uInt16 nColId);
	virtual void Command(const CommandEvent& rEvt);
	virtual long PreNotify(NotifyEvent& rEvt);
	virtual void KeyInput(const KeyEvent& rEvt);
	virtual void StateChanged( StateChangedType nType );
	virtual void DataChanged( const DataChangedEvent& rDCEvt );
	virtual void Select();

	virtual ::svt::CellController* GetController(long nRow, sal_uInt16 nCol);

	virtual void CellModified();
	virtual sal_Bool SaveModified();
	virtual sal_Bool IsModified() const;

	virtual sal_uInt16 AppendColumn(const String& rName, sal_uInt16 nWidth = 0, sal_uInt16 nPos = HEADERBAR_APPEND, sal_uInt16 nId = (sal_uInt16)-1);
	virtual void RemoveColumn(sal_uInt16 nId);
	virtual DbGridColumn* CreateColumn(sal_uInt16 nId) const;
	virtual void ColumnMoved(sal_uInt16 nId);
	virtual sal_Bool SaveRow();
	virtual sal_Bool IsTabAllowed(sal_Bool bForward) const;

	/// hide a column
	virtual void	HideColumn(sal_uInt16 nId);
	/// show a column
	virtual void	ShowColumn(sal_uInt16 nId);

	/**	This is called before executing a context menu for a row. rMenu contains the initial entries
		handled by this base class' method (which always has to be called).
		Derived classes may alter the menu in any way and handle any additional entries in
		PostExecuteColumnContextMenu.
		All disabled entries will be removed before executing the menu, so be careful with separators
		near entries you probably wish to disable ...
	*/
	virtual void PreExecuteRowContextMenu(sal_uInt16 nRow, PopupMenu& rMenu);
	/**	After executing the context menu for a row this method is called.
	*/
	virtual void PostExecuteRowContextMenu(sal_uInt16 nRow, const PopupMenu& rMenu, sal_uInt16 nExecutionResult);

	virtual void DataSourcePropertyChanged(const ::com::sun::star::beans::PropertyChangeEvent& evt) throw(::com::sun::star::uno::RuntimeException);

	virtual void FieldValueChanged(sal_uInt16 _nId, const ::com::sun::star::beans::PropertyChangeEvent& _evt);
	virtual void FieldListenerDisposing(sal_uInt16 _nId);

	virtual void disposing(sal_uInt16 _nId, const ::com::sun::star::lang::EventObject& _rEvt);

    // own overridables
    /// called when the current row changed
	virtual void onRowChange();
    /// called when the current column changed
    virtual void onColumnChange();

	// DragSourceHelper overridables
	virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel );

	void	executeRowContextMenu( long _nRow, const Point& _rPreferredPos );

public:
	DbGridControl(
		::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >,
		Window* pParent,
		WinBits nBits = WB_BORDER);

	virtual ~DbGridControl();

	virtual void Init();
	virtual void InitColumnsByFields(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& xFields) = 0;
	virtual void RemoveRows();

	/** GetCellText returns the text at the given position
		@param	_nRow
			the number of the row
		@param	_nColId
			the ID of the column
		@return
			the text out of the cell
	*/
	virtual String	GetCellText(long _nRow, sal_uInt16 _nColId) const;

	void RemoveRows(sal_Bool bNewCursor);

	void InvalidateStatus();

	const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& getNumberFormatter() const {return m_xFormatter;}

	// die Datenquelle
	// die Optionen koennen die Updatefaehigkeiten noch einschraenken, nicht erweitern
	virtual void setDataSource(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet >& rCursor,
		sal_uInt16 nOpts = OPT_INSERT | OPT_UPDATE | OPT_DELETE);
	virtual void Dispatch(sal_uInt16 nId);

	CursorWrapper* getDataSource() const {return m_pDataCursor;}
	const DbGridColumns& GetColumns() const {return m_aColumns;}

	void EnableHandle(sal_Bool bEnable);
	sal_Bool HasHandle() const {return m_bHandle;}
	void InsertHandleColumn();

	/// welche Position hat die Spalte mit der Id in der ::com::sun::star::sdbcx::View, die Handle-Column zahelt nicht mit
    sal_uInt16 GetViewColumnPos( sal_uInt16 nId ) const { sal_uInt16 nPos = GetColumnPos(nId); return (nPos==(sal_uInt16)-1) ? GRID_COLUMN_NOT_FOUND : nPos-1; }

	/**	welche Position hat die Spalte mit der Id in m_aColumns, also dem von GetColumns gelieferten ::com::sun::star::sdbcx::Container ?
		(unterscheidet sich u.U. von der von GetViewColumnPos gelieferten, wenn es versteckt Spalten gibt)
	*/
	sal_uInt16 GetModelColumnPos( sal_uInt16 nId ) const;

	/// Anzahl der Spalten im Model
	sal_uInt16 GetViewColCount() const { return ColCount() - 1; }
	sal_uInt16 GetModelColCount() const { return (sal_uInt16)m_aColumns.Count(); }
	/// umgekehrt zu GetViewColumnPos : Id zu Position, die erste Nicht-Handle-Column hat die Position 0
	sal_uInt16 GetColumnIdFromViewPos( sal_uInt16 nPos ) const { return GetColumnId(nPos + 1); }
	sal_uInt16 GetColumnIdFromModelPos( sal_uInt16 nPos ) const;

	virtual void SetDesignMode(sal_Bool bMode);
	sal_Bool IsDesignMode() const {return m_bDesignMode;}
	sal_Bool IsOpen() const {return m_pSeekCursor != NULL;}

	virtual void SetFilterMode(sal_Bool bMode);
	sal_Bool IsFilterMode() const {return m_bFilterMode;}
	sal_Bool IsFilterRow(long nRow) const {return m_bFilterMode && nRow == 0;}

	void EnableNavigationBar(sal_Bool bEnable);
	sal_Bool HasNavigationBar() const {return m_bNavigationBar;}

	sal_uInt16 GetOptions() const {return m_nOptions;}
	NavigationBar& GetNavigationBar() {return m_aBar;}
	sal_uInt16 SetOptions(sal_uInt16 nOpt);
		// The new options are interpreted with respect to the current data source. If it is unable
		// to update, to insert or to restore, the according options are ignored. If the grid isn't
		// connected to a data source, all options except OPT_READONLY are ignored.

	void SetMultiSelection(sal_Bool bMulti);
	sal_Bool GetMultiSelection() const {return m_bMultiSelection;}

	const com::sun::star::util::Date&	getNullDate() const {return m_aNullDate;}

	// Positionierung
	void MoveToPosition(sal_uInt32 nPos);
	void MoveToFirst();
	void MoveToNext();
	void MoveToPrev();
	void MoveToLast();
	void AppendNew();

	// Abgleich der Cursor falls von außen der DatenCursor verschoben wurde
	// Flag bedeutet ob ein Abgleich es Rowcounts vorgenommen werden soll
	void AdjustDataSource(sal_Bool bFull = sal_False);
	void Undo();

	virtual void BeginCursorAction();
	virtual void EndCursorAction();

	// wird die aktuelle Zeile neu gesetzt
	sal_Bool IsUpdating() const {return m_bUpdating;}

	virtual void RowRemoved( long nRow, long nNumRows = 1, sal_Bool bDoPaint = sal_True );
	virtual void RowInserted( long nRow, long nNumRows = 1, sal_Bool bDoPaint = sal_True, sal_Bool bKeepSelection = sal_False );
	virtual void RowModified( long nRow, sal_uInt16 nColId = USHRT_MAX );

	void resetCurrentRow();

	sal_Bool getDisplaySynchron() const { return m_bSynchDisplay; }
	void setDisplaySynchron(sal_Bool bSync);
	void forceSyncDisplay();
		// wenn das auf sal_False gesetzt wird, laeuft die Anzeige nicht mehr mit der aktuellen Cursor-Position synchron
		// (soll heissen, in AdjustDataSource wird nicht in die zur CursorPosition gehoerenden Zeile gesprungen)
		// wer das benutzt, sollte bitte wissen, was er tut, da zum Beispiel die Eingabe von Daten in einer Zeile auf der Anzeige,
		// die gar nicht mit der Position des Cursors synchron ist, ziemlich kritisch sein koennte

	sal_Bool isForcedROController() const { return m_bForceROController; }
	void forceROController(sal_Bool bForce);
		// Setzt man das auf sal_True, hat das GridControl immer einen ::com::sun::star::frame::Controller, der allerdings read-only ist. Ausserdem
		// wird die Edit-Zeile des Controllers so eingestellt, dass sie ihre Selektion bei Fokus-Verlust weiterhin anzeigt.

	const DbGridRowRef& GetCurrentRow() const {return m_xCurrentRow;}

	void SetStateProvider(const Link& rProvider) { m_aMasterStateProvider = rProvider; }
		// if this link is set the given provider will be asked for the state of my items.
		// the return values are interpreted as follows :
		// <0 -> not specified (use default mechanism to determine the state)
		// ==0 -> the item is disabled
		// >0 -> the item is enabled
	void SetSlotExecutor(const Link& rExecutor) { m_aMasterSlotExecutor = rExecutor; }
		// analogous : if this link is set, all nav-bar slots will be routed through it when executed
		// if the handler returns nonzero, no further handling of the slot occurs

	void EnablePermanentCursor(sal_Bool bEnable);
	sal_Bool IsPermanentCursorEnabled() const;

    /** forces both scrollbars to be hidden

        For the horizontal srollbar, this is overruled by enabling the navigation bar: A navigation
        bar <b>always</b> implies a horizontal scroll bar
        @seealso EnableNavigationBar
    */
    void        ForceHideScrollbars( sal_Bool _bForce );
    sal_Bool    IsForceHideScrollbars() const;

	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >
		getServiceManager() const { return m_xServiceFactory; }

	/// returns <TRUE/> if the text of the given cell can be copied into the clipboard
	sal_Bool	canCopyCellText(sal_Int32 _nRow, sal_Int16 _nColId);
	/// copies the text of the given cell into the clipboard
	void		copyCellText(sal_Int32 _nRow, sal_Int16 _nColId);

	// selectin listener handling
	FmGridListener*             getGridListener() const { return m_pGridListener; }
    void                        setGridListener( FmGridListener* _pListener ) { m_pGridListener = _pListener; }

	// helper class to grant access to selected methods from within the DbCellControl class
	struct GrantControlAccess
	{
		friend class DbCellControl;
        friend class RowSetEventListener;
	protected:
		GrantControlAccess() { }
	};

	/// called when a controller needs to be re-initialized
	void refreshController(sal_uInt16 _nColId, GrantControlAccess _aAccess);

    CursorWrapper* GetSeekCursor(GrantControlAccess /*_aAccess*/) const    { return m_pSeekCursor; }
    const DbGridRowRef& GetSeekRow(GrantControlAccess /*_aAccess*/) const  { return m_xSeekRow;    }
    void  SetSeekPos(sal_Int32 nPos,GrantControlAccess /*_aAccess*/) {m_nSeekPos = nPos;}

	/**
		@return
			The count of additional controls of the control area.
	*/
    virtual sal_Int32 GetAccessibleControlCount() const;

    /** Creates the accessible object of an additional control.
        @param _nIndex
			The 0-based index of the control.
        @return
			The XAccessible interface of the specified control.
	*/
    virtual ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessible >
    CreateAccessibleControl( sal_Int32 _nIndex );

	// IAccessibleTableProvider
	/** Creates the accessible object of a data table cell.
        @param nRow  The row index of the cell.
        @param nColumnId  The column ID of the cell.
        @return  The XAccessible interface of the specified cell. */
    virtual ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessible >
    CreateAccessibleCell( sal_Int32 nRow, sal_uInt16 nColumnId );

protected:
	void RecalcRows(long nNewTopRow, sal_uInt16 nLinesOnScreen, sal_Bool bUpdateCursor);
	sal_Bool SeekCursor(long nRow, sal_Bool bAbsolute = sal_False);
	void RemoveColumns();		// aufraeumen eigener strukturen
	void AdjustRows();
	sal_Int32 AlignSeekCursor();
	sal_Bool SetCurrent(long nNewRow);

	String GetCurrentRowCellText(DbGridColumn* pCol,const DbGridRowRef& _rRow) const;
	virtual void DeleteSelectedRows();
	sal_Bool IsValid(const DbGridRowRef& _xRow) const {return _xRow && _xRow->IsValid();}

	// Zeile an der gerade eingefuegt wird
	sal_Bool IsCurrentAppending() const;

	// Leerzeile zum Einfuegen
	sal_Bool IsInsertionRow(long nRow) const;

	void  SetSeekPos(sal_Int32 nPos) {m_nSeekPos = nPos;}
	sal_Int32 GetCurrentPos() const {return m_nCurrentPos;}
	sal_Int32 GetSeekPos() const {return m_nSeekPos;}
	sal_Int32 GetTotalCount() const {return m_nTotalCount;}

	const DbGridRowRef& GetEmptyRow() const { return m_xEmptyRow;   }
	const DbGridRowRef& GetSeekRow() const  { return m_xSeekRow;    }
	const DbGridRowRef& GetPaintRow() const { return m_xPaintRow;   }
	CursorWrapper* GetSeekCursor() const    { return m_pSeekCursor; }
    

	void ConnectToFields();
	void DisconnectFromFields();

	void implAdjustInSolarThread(sal_Bool _bRows);
		// calls AdjustRows or AdjustDataSource, synchron if the caller is running in the solar thread, else asynchron

protected:
	virtual void InitController(::svt::CellControllerRef& rController, long nRow, sal_uInt16 nCol);
	void Construct();
	void ImplInitWindow( const InitWindowFacet _eInitWhat );
	DECL_LINK(OnDelete, void*);

	DECL_LINK(OnAsyncAdjust, void*);
		// if the param is != NULL, AdjustRows will be called, else AdjustDataSource

private:
    using BrowseBox::InsertHandleColumn;
};


SV_IMPL_REF(DbGridRow);


#endif // _SVX_GRIDCTRL_HXX