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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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 *   http://www.apache.org/licenses/LICENSE-2.0
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#ifndef SC_TEXTSUNO_HXX
#define SC_TEXTSUNO_HXX

#include "global.hxx"			// ScRange, ScAddress
#include "address.hxx"
#include <editeng/unotext.hxx>
#include <svl/brdcst.hxx>
#include <svl/lstner.hxx>
#include <com/sun/star/text/XTextFieldsSupplier.hpp>
#include <com/sun/star/sheet/XHeaderFooterContent.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/implbase5.hxx>
#include "scdllapi.h"

class EditEngine;
class EditTextObject;
class SvxEditEngineForwarder;
class ScDocShell;
class ScAddress;
class ScCellObj;
class ScSimpleEditSource;
class ScSharedCellEditSource;
class ScEditEngineDefaulter;
class ScFieldEditEngine;

struct ScHeaderFieldData;


#define SC_HDFT_LEFT	0
#define SC_HDFT_CENTER	1
#define	SC_HDFT_RIGHT	2


//	ScHeaderFooterContentObj ist ein dummer Container, der per setPropertyValue
//	wieder in die Seitenvorlage geschrieben werden muss

class ScHeaderFooterContentObj : public cppu::WeakImplHelper3<
							com::sun::star::sheet::XHeaderFooterContent,
							com::sun::star::lang::XUnoTunnel,
							com::sun::star::lang::XServiceInfo >
{
private:
	EditTextObject*	pLeftText;
	EditTextObject*	pCenterText;
	EditTextObject*	pRightText;
	SfxBroadcaster	aBC;

    ScHeaderFooterContentObj(); // disabled

public:
							ScHeaderFooterContentObj( const EditTextObject* pLeft,
													  const EditTextObject* pCenter,
													  const EditTextObject* pRight );
	virtual					~ScHeaderFooterContentObj();

							// fuer ScPageHFItem (per getImplementation)
	const EditTextObject*	GetLeftEditObject() const	{ return pLeftText; }
	const EditTextObject*	GetCenterEditObject() const	{ return pCenterText; }
	const EditTextObject*	GetRightEditObject() const	{ return pRightText; }

	void					AddListener( SfxListener& rListener );
	void					RemoveListener( SfxListener& rListener );

	void					UpdateText( sal_uInt16 nPart, EditEngine& rSource );

							// XHeaderFooterContent
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getLeftText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getCenterText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getRightText() throw(::com::sun::star::uno::RuntimeException);

							// XUnoTunnel
	virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence<
									sal_Int8 >& aIdentifier )
								throw(::com::sun::star::uno::RuntimeException);

	static const com::sun::star::uno::Sequence<sal_Int8>& getUnoTunnelId();
	static ScHeaderFooterContentObj* getImplementation( const com::sun::star::uno::Reference<
									com::sun::star::sheet::XHeaderFooterContent> xObj );

							// XServiceInfo
	virtual ::rtl::OUString SAL_CALL getImplementationName()
								throw(::com::sun::star::uno::RuntimeException);
	virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName )
								throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()
								throw(::com::sun::star::uno::RuntimeException);
};


//	ScHeaderFooterTextData: shared data between sub objects of a ScHeaderFooterTextObj

class ScHeaderFooterTextData : public SfxListener
{
private:
	ScHeaderFooterContentObj&	rContentObj;
	sal_uInt16						nPart;
	ScEditEngineDefaulter*		pEditEngine;
	SvxEditEngineForwarder*		pForwarder;
	sal_Bool						bDataValid;
	sal_Bool						bInUpdate;

public:
							ScHeaderFooterTextData( ScHeaderFooterContentObj& rContent,
													sal_uInt16 nP );
							~ScHeaderFooterTextData();

	virtual void			Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

							// helper functions
	SvxTextForwarder*		GetTextForwarder();
	void					UpdateData();
	ScEditEngineDefaulter*	GetEditEngine() { GetTextForwarder(); return pEditEngine; }

	sal_uInt16					GetPart() const			{ return nPart; }
	ScHeaderFooterContentObj& GetContentObj() const	{ return rContentObj; }
};

//	ScHeaderFooterTextObj veraendert den Text in einem ScHeaderFooterContentObj

class ScHeaderFooterTextObj : public cppu::WeakImplHelper5<
							com::sun::star::text::XText,
							com::sun::star::text::XTextRangeMover,
							com::sun::star::container::XEnumerationAccess,
							com::sun::star::text::XTextFieldsSupplier,
							com::sun::star::lang::XServiceInfo >
{
private:
	ScHeaderFooterTextData		aTextData;
	SvxUnoText*					pUnoText;

	void					CreateUnoText_Impl();

public:
							ScHeaderFooterTextObj( ScHeaderFooterContentObj& rContent,
													sal_uInt16 nP );
	virtual					~ScHeaderFooterTextObj();

	const SvxUnoText&		GetUnoText();

	static void				FillDummyFieldData( ScHeaderFieldData& rData );

							// XText
	virtual void SAL_CALL	insertTextContent( const ::com::sun::star::uno::Reference<
									::com::sun::star::text::XTextRange >& xRange,
								const ::com::sun::star::uno::Reference<
									::com::sun::star::text::XTextContent >& xContent,
								sal_Bool bAbsorb )
									throw(::com::sun::star::lang::IllegalArgumentException,
									::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL	removeTextContent( const ::com::sun::star::uno::Reference<
								::com::sun::star::text::XTextContent >& xContent )
									throw(::com::sun::star::container::NoSuchElementException,
											::com::sun::star::uno::RuntimeException);

							// XSimpleText
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextCursor > SAL_CALL
							createTextCursor() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextCursor > SAL_CALL
							createTextCursorByRange( const ::com::sun::star::uno::Reference<
										::com::sun::star::text::XTextRange >& aTextPosition )
									throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL	insertString( const ::com::sun::star::uno::Reference<
										::com::sun::star::text::XTextRange >& xRange,
										const ::rtl::OUString& aString, sal_Bool bAbsorb )
									throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL	insertControlCharacter( const ::com::sun::star::uno::Reference<
										::com::sun::star::text::XTextRange >& xRange,
										sal_Int16 nControlCharacter, sal_Bool bAbsorb )
									throw(::com::sun::star::lang::IllegalArgumentException,
										::com::sun::star::uno::RuntimeException);

							// XTextRange
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getStart() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getEnd() throw(::com::sun::star::uno::RuntimeException);
	virtual ::rtl::OUString SAL_CALL getString() throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL	setString( const ::rtl::OUString& aString )
									throw(::com::sun::star::uno::RuntimeException);

							// XTextRangeMover
	virtual void SAL_CALL	moveTextRange( const ::com::sun::star::uno::Reference<
										::com::sun::star::text::XTextRange >& xRange,
										sal_Int16 nParagraphs )
									throw(::com::sun::star::uno::RuntimeException);

							// XEnumerationAccess
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration > SAL_CALL
							createEnumeration() throw(::com::sun::star::uno::RuntimeException);

							// XElementAccess
	virtual ::com::sun::star::uno::Type SAL_CALL getElementType()
								throw(::com::sun::star::uno::RuntimeException);
	virtual sal_Bool SAL_CALL hasElements() throw(::com::sun::star::uno::RuntimeException);

							// XTextFieldsSupplier
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumerationAccess > SAL_CALL
							getTextFields() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL
							getTextFieldMasters() throw(::com::sun::star::uno::RuntimeException);

							// XServiceInfo
	virtual ::rtl::OUString SAL_CALL getImplementationName()
								throw(::com::sun::star::uno::RuntimeException);
	virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName )
								throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()
								throw(::com::sun::star::uno::RuntimeException);
};


//	derived cursor objects for getImplementation and getText/getStart/getEnd

//!	uno3: SvxUnoTextCursor is not derived from XUnoTunnel, but should be (?)

class ScCellTextCursor : public SvxUnoTextCursor
{
	ScCellObj&				rTextObj;

public:
							ScCellTextCursor(const ScCellTextCursor& rOther);
							ScCellTextCursor(ScCellObj& rText);
        virtual                                 ~ScCellTextCursor() throw();

    ScCellObj&              GetCellObj() const  { return rTextObj; }

							// SvxUnoTextCursor methods reimplemented here:
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getStart() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getEnd() throw(::com::sun::star::uno::RuntimeException);

							// XUnoTunnel
	virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence<
									sal_Int8 >& aIdentifier )
								throw(::com::sun::star::uno::RuntimeException);

	static const com::sun::star::uno::Sequence<sal_Int8>& getUnoTunnelId();
	static ScCellTextCursor* getImplementation( const com::sun::star::uno::Reference<
									com::sun::star::uno::XInterface> xObj );
};

class ScHeaderFooterTextCursor : public SvxUnoTextCursor
{
private:
	ScHeaderFooterTextObj&	rTextObj;

public:
							ScHeaderFooterTextCursor(const ScHeaderFooterTextCursor& rOther);
							ScHeaderFooterTextCursor(ScHeaderFooterTextObj& rText);
        virtual                                 ~ScHeaderFooterTextCursor() throw();

							// SvxUnoTextCursor methods reimplemented here:
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getStart() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getEnd() throw(::com::sun::star::uno::RuntimeException);

							// XUnoTunnel
	virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence<
									sal_Int8 >& aIdentifier )
								throw(::com::sun::star::uno::RuntimeException);

	static const com::sun::star::uno::Sequence<sal_Int8>& getUnoTunnelId();
	static ScHeaderFooterTextCursor* getImplementation( const com::sun::star::uno::Reference<
									com::sun::star::uno::XInterface> xObj );
};

class ScDrawTextCursor : public SvxUnoTextCursor
{
private:
	com::sun::star::uno::Reference< com::sun::star::text::XText > xParentText;

public:
							ScDrawTextCursor(const ScDrawTextCursor& rOther);
							ScDrawTextCursor( const com::sun::star::uno::Reference<
												com::sun::star::text::XText >& xParent,
											const SvxUnoTextBase& rText );
    virtual                  ~ScDrawTextCursor() throw();

							// SvxUnoTextCursor methods reimplemented here:
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XText > SAL_CALL
							getText() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getStart() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::text::XTextRange > SAL_CALL
							getEnd() throw(::com::sun::star::uno::RuntimeException);

                            // XUnoTunnel
    virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence<
                                    sal_Int8 >& aIdentifier )
                                throw(::com::sun::star::uno::RuntimeException);

    static const com::sun::star::uno::Sequence<sal_Int8>& getUnoTunnelId();
    static ScDrawTextCursor* getImplementation( const com::sun::star::uno::Reference<
                                    com::sun::star::uno::XInterface> xObj );
};


// ScAnnotationTextCursor isn't needed anymore - SvxUnoTextCursor is used instead


//	ScEditEngineTextObj for formatted cell content that is not inserted in a cell or header/footer
//	(used for XML export of change tracking contents)

class ScSimpleEditSourceHelper
{
	ScEditEngineDefaulter*	pEditEngine;
	SvxEditEngineForwarder*	pForwarder;
	ScSimpleEditSource* 	pOriginalSource;

public:
			ScSimpleEditSourceHelper();
			~ScSimpleEditSourceHelper();

	ScSimpleEditSource* GetOriginalSource() const	{ return pOriginalSource; }
	ScEditEngineDefaulter* GetEditEngine() const	{ return pEditEngine; }
};

class ScEditEngineTextObj : public ScSimpleEditSourceHelper, public SvxUnoText
{
public:
						ScEditEngineTextObj();
        virtual                         ~ScEditEngineTextObj() throw();

	void				SetText( const EditTextObject& rTextObject );
	EditTextObject*		CreateTextObject();
};


//	ScCellTextData: shared data between sub objects of a cell text object

class ScCellTextData : public SfxListener
{
protected:
	ScDocShell*				pDocShell;
	ScAddress				aCellPos;
	ScFieldEditEngine*		pEditEngine;
	SvxEditEngineForwarder*	pForwarder;
	ScSharedCellEditSource*	pOriginalSource;
	sal_Bool					bDataValid;
	sal_Bool					bInUpdate;
	sal_Bool					bDirty;
	sal_Bool					bDoUpdate;

protected:
    virtual void            GetCellText(const ScAddress& rCellPos, String& rText);

public:
							ScCellTextData(ScDocShell* pDocSh, const ScAddress& rP);
	virtual					~ScCellTextData();

	virtual void			Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

							// helper functions for ScSharedCellEditSource:
	virtual SvxTextForwarder* GetTextForwarder();
	void					UpdateData();
	ScFieldEditEngine*		GetEditEngine() { GetTextForwarder(); return pEditEngine; }

	ScSharedCellEditSource*	GetOriginalSource();		// used as argument for SvxUnoText ctor

							// used for ScCellEditSource:
	ScDocShell*				GetDocShell() const		{ return pDocShell; }
	const ScAddress&		GetCellPos() const		{ return aCellPos; }

	void					SetDirty(sal_Bool bValue)	{ bDirty = bValue; }
	sal_Bool					IsDirty() const			{ return bDirty; }
	void					SetDoUpdate(sal_Bool bValue)	{ bDoUpdate = bValue; }
};

class ScCellTextObj : public ScCellTextData, public SvxUnoText
{
public:
				ScCellTextObj(ScDocShell* pDocSh, const ScAddress& rP);
        virtual         ~ScCellTextObj() throw();
};


#endif

