#90142# share data for text in page headers / footers

4 files changed, 249 insertions, 129 deletions

diff --git a/sc/inc/editsrc.hxx b/sc/inc/editsrc.hxx
index 60ddc9c6c..662fd88a6 100644
--- a/sc/inc/editsrc.hxx
+++ b/sc/inc/editsrc.hxx
@@ -2,9 +2,9 @@
  *
  *  $RCSfile: editsrc.hxx,v $
  *
- *  $Revision: 1.6 $
+ *  $Revision: 1.7 $
  *
- *  last change: $Author: sab $ $Date: 2001-06-13 17:01:24 $
+ *  last change: $Author: nn $ $Date: 2001-07-31 17:56:45 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -80,6 +80,7 @@ class SvxEditEngineForwarder;
 class ScDocShell;
 class ScHeaderFooterContentObj;
 class ScCellTextData;
+class ScHeaderFooterTextData;
 
 
 class ScHeaderFooterChangedHint : public SfxHint
@@ -95,29 +96,38 @@ public:
 };
 
 
-class ScHeaderFooterEditSource : public SvxEditSource, public SfxListener
+//	all ScSharedHeaderFooterEditSource objects for a single text share the same data
+
+class ScSharedHeaderFooterEditSource : public SvxEditSource
 {
 private:
-    ScHeaderFooterContentObj*	pContentObj;
-    USHORT						nPart;
-    ScEditEngineDefaulter*		pEditEngine;
-    SvxEditEngineForwarder*		pForwarder;
-    BOOL						bDataValid;
-    BOOL						bInUpdate;
+    ScHeaderFooterTextData*		pTextData;
+
+protected:
+    ScHeaderFooterTextData*		GetTextData() const	{ return pTextData; }	// for ScHeaderFooterEditSource
 
 public:
-                                ScHeaderFooterEditSource( ScHeaderFooterContentObj* pContent,
-                                                            USHORT nP );
-    virtual						~ScHeaderFooterEditSource();
+                                ScSharedHeaderFooterEditSource( ScHeaderFooterTextData* pData );
+    virtual						~ScSharedHeaderFooterEditSource();
 
-    //!	GetEditEngine nur als Uebergang, bis die Feld-Funktionen am Forwarder sind !!!
-    ScEditEngineDefaulter*		GetEditEngine() { GetTextForwarder(); return pEditEngine; }
+    //	GetEditEngine is needed because the forwarder doesn't have field functions
+    ScEditEngineDefaulter*		GetEditEngine();
 
     virtual SvxEditSource*		Clone() const ;
     virtual SvxTextForwarder*	GetTextForwarder();
     virtual void				UpdateData();
+};
 
-    virtual void				Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
+//	ScHeaderFooterEditSource with local copy of ScHeaderFooterTextData is used by field objects
+
+class ScHeaderFooterEditSource : public ScSharedHeaderFooterEditSource
+{
+public:
+                                ScHeaderFooterEditSource( ScHeaderFooterContentObj* pContent, USHORT nP );
+                                ScHeaderFooterEditSource( ScHeaderFooterContentObj& rContent, USHORT nP );
+    virtual						~ScHeaderFooterEditSource();
+
+    virtual SvxEditSource*		Clone() const;
 };
 
 
diff --git a/sc/inc/textuno.hxx b/sc/inc/textuno.hxx
index 2685e7828..933c5ad11 100644
--- a/sc/inc/textuno.hxx
+++ b/sc/inc/textuno.hxx
@@ -2,9 +2,9 @@
  *
  *  $RCSfile: textuno.hxx,v $
  *
- *  $Revision: 1.6 $
+ *  $Revision: 1.7 $
  *
- *  last change: $Author: sab $ $Date: 2001-06-13 17:01:24 $
+ *  last change: $Author: nn $ $Date: 2001-07-31 17:56:45 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -174,6 +174,34 @@ public:
 };
 
 
+//	ScHeaderFooterTextData: shared data between sub objects of a ScHeaderFooterTextObj
+
+class ScHeaderFooterTextData : public SfxListener
+{
+private:
+    ScHeaderFooterContentObj&	rContentObj;
+    USHORT						nPart;
+    ScEditEngineDefaulter*		pEditEngine;
+    SvxEditEngineForwarder*		pForwarder;
+    BOOL						bDataValid;
+    BOOL						bInUpdate;
+
+public:
+                            ScHeaderFooterTextData( ScHeaderFooterContentObj& rContent,
+                                                    USHORT nP );
+                            ~ScHeaderFooterTextData();
+
+    virtual void			Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
+
+                            // helper functions
+    SvxTextForwarder*		GetTextForwarder();
+    void					UpdateData();
+    ScEditEngineDefaulter*	GetEditEngine() { GetTextForwarder(); return pEditEngine; }
+
+    USHORT					GetPart() const			{ return nPart; }
+    ScHeaderFooterContentObj& GetContentObj() const	{ return rContentObj; }
+};
+
 //	ScHeaderFooterTextObj veraendert den Text in einem ScHeaderFooterContentObj
 
 class ScHeaderFooterTextObj : public cppu::WeakImplHelper5<
@@ -184,16 +212,17 @@ class ScHeaderFooterTextObj : public cppu::WeakImplHelper5<
                             com::sun::star::lang::XServiceInfo >
 {
 private:
-    ScHeaderFooterContentObj&	rContentObj;
-    USHORT						nPart;
+    ScHeaderFooterTextData		aTextData;
     SvxUnoText*					pUnoText;
 
+    void					CreateUnoText_Impl();
+
 public:
                             ScHeaderFooterTextObj( ScHeaderFooterContentObj& rContent,
                                                     USHORT nP );
     virtual					~ScHeaderFooterTextObj();
 
-    const SvxUnoText&		GetUnoText() const;
+    const SvxUnoText&		GetUnoText();
 
     static void				FillDummyFieldData( ScHeaderFieldData& rData );
 
diff --git a/sc/source/ui/unoobj/editsrc.cxx b/sc/source/ui/unoobj/editsrc.cxx
index b8b2810dd..1b8eab1dd 100644
--- a/sc/source/ui/unoobj/editsrc.cxx
+++ b/sc/source/ui/unoobj/editsrc.cxx
@@ -2,9 +2,9 @@
  *
  *  $RCSfile: editsrc.cxx,v $
  *
- *  $Revision: 1.9 $
+ *  $Revision: 1.10 $
  *
- *  last change: $Author: sab $ $Date: 2001-06-13 17:02:55 $
+ *  last change: $Author: nn $ $Date: 2001-07-31 17:57:55 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -75,7 +75,6 @@
 #include "docfunc.hxx"
 #include "hints.hxx"
 #include "patattr.hxx"
-#include "scmod.hxx"
 #include "unoguard.hxx"
 
 //------------------------------------------------------------------------
@@ -93,117 +92,63 @@ ScHeaderFooterChangedHint::~ScHeaderFooterChangedHint()
 
 //------------------------------------------------------------------------
 
-ScHeaderFooterEditSource::ScHeaderFooterEditSource( ScHeaderFooterContentObj* pContent,
-                                                        USHORT nP ) :
-    pContentObj( pContent ),
-    nPart( nP ),
-    pEditEngine( NULL ),
-    pForwarder( NULL ),
-    bDataValid( FALSE ),
-    bInUpdate( FALSE )
+ScSharedHeaderFooterEditSource::ScSharedHeaderFooterEditSource( ScHeaderFooterTextData* pData ) :
+    pTextData( pData )
 {
-    if (pContentObj)				// pContentObj can be 0 if constructed via getReflection
-    {
-        pContentObj->acquire();		// must not go away
-
-        pContentObj->AddListener( *this );
-    }
+    //	pTextData is held by the ScHeaderFooterTextObj.
+    //	Text range and cursor keep a reference to their parent text, so the text object is
+    //	always alive and the TextData is valid as long as there are children.
 }
 
-ScHeaderFooterEditSource::~ScHeaderFooterEditSource()
+ScSharedHeaderFooterEditSource::~ScSharedHeaderFooterEditSource()
 {
-    ScUnoGuard aGuard;		//	needed for EditEngine dtor
-
-    if (pContentObj)
-        pContentObj->RemoveListener( *this );
-
-    delete pForwarder;
-    delete pEditEngine;
+}
 
-    if (pContentObj)
-        pContentObj->release();
+SvxEditSource* ScSharedHeaderFooterEditSource::Clone() const
+{
+    return new ScSharedHeaderFooterEditSource( pTextData );
 }
 
-SvxEditSource* ScHeaderFooterEditSource::Clone() const
+SvxTextForwarder* ScSharedHeaderFooterEditSource::GetTextForwarder()
 {
-    return new ScHeaderFooterEditSource( pContentObj, nPart );
+    return pTextData->GetTextForwarder();
 }
 
-SvxTextForwarder* ScHeaderFooterEditSource::GetTextForwarder()
+void ScSharedHeaderFooterEditSource::UpdateData()
 {
-    if (!pEditEngine)
-    {
-        SfxItemPool* pEnginePool = EditEngine::CreatePool();
-        pEnginePool->FreezeIdRanges();
-        ScHeaderEditEngine* pHdrEngine = new ScHeaderEditEngine( pEnginePool, TRUE );
-
-        pHdrEngine->EnableUndo( FALSE );
-        pHdrEngine->SetRefMapMode( MAP_TWIP );
-
-        //	default font must be set, independently of document
-        //	-> use global pool from module
-
-        SfxItemSet aDefaults( pHdrEngine->GetEmptyItemSet() );
-        const ScPatternAttr& rPattern = (const ScPatternAttr&)SC_MOD()->GetPool().GetDefaultItem(ATTR_PATTERN);
-        rPattern.FillEditItemSet( &aDefaults );
-        //	FillEditItemSet adjusts font height to 1/100th mm,
-        //	but for header/footer twips is needed, as in the PatternAttr:
-        aDefaults.Put( rPattern.GetItem(ATTR_FONT_HEIGHT), EE_CHAR_FONTHEIGHT );
-        aDefaults.Put( rPattern.GetItem(ATTR_CJK_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CJK );
-        aDefaults.Put( rPattern.GetItem(ATTR_CTL_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CTL );
-        pHdrEngine->SetDefaults( aDefaults );
-
-        ScHeaderFieldData aData;
-        ScHeaderFooterTextObj::FillDummyFieldData( aData );
-        pHdrEngine->SetData( aData );
-
-        pEditEngine = pHdrEngine;
-        pForwarder = new SvxEditEngineForwarder(*pEditEngine);
-    }
+    pTextData->UpdateData();
+}
 
-    if (bDataValid)
-        return pForwarder;
+ScEditEngineDefaulter* ScSharedHeaderFooterEditSource::GetEditEngine()
+{
+    return pTextData->GetEditEngine();
+}
 
-    if (pContentObj)
-    {
-        const EditTextObject* pData;
-        if (nPart == SC_HDFT_LEFT)
-            pData = pContentObj->GetLeftEditObject();
-        else if (nPart == SC_HDFT_CENTER)
-            pData = pContentObj->GetCenterEditObject();
-        else
-            pData = pContentObj->GetRightEditObject();
+//------------------------------------------------------------------------
 
-        if (pData)
-            pEditEngine->SetText(*pData);
-    }
+//	each ScHeaderFooterEditSource object has its own ScHeaderFooterTextData
 
-    bDataValid = TRUE;
-    return pForwarder;
+ScHeaderFooterEditSource::ScHeaderFooterEditSource( ScHeaderFooterContentObj* pContent,
+                                                    USHORT nP ) :
+    ScSharedHeaderFooterEditSource( new ScHeaderFooterTextData( *pContent, nP ) )
+{
 }
 
-void ScHeaderFooterEditSource::UpdateData()
+ScHeaderFooterEditSource::ScHeaderFooterEditSource( ScHeaderFooterContentObj& rContent,
+                                                    USHORT nP ) :
+    ScSharedHeaderFooterEditSource( new ScHeaderFooterTextData( rContent, nP ) )
 {
-    if ( pContentObj && pEditEngine )
-    {
-        bInUpdate = TRUE;	// don't reset bDataValid during UpdateText
-
-        pContentObj->UpdateText( nPart, *pEditEngine );
+}
 
-        bInUpdate = FALSE;
-    }
+ScHeaderFooterEditSource::~ScHeaderFooterEditSource()
+{
+    delete GetTextData();	// not accessed in ScSharedHeaderFooterEditSource dtor
 }
 
-void ScHeaderFooterEditSource::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
+SvxEditSource* ScHeaderFooterEditSource::Clone() const
 {
-    if ( rHint.ISA( ScHeaderFooterChangedHint ) )
-    {
-        if ( ((const ScHeaderFooterChangedHint&)rHint).GetPart() == nPart )
-        {
-            if (!bInUpdate)				// not for own updates
-                bDataValid = FALSE;		// text has to be fetched again
-        }
-    }
+    const ScHeaderFooterTextData* pData = GetTextData();
+    return new ScHeaderFooterEditSource( pData->GetContentObj(), pData->GetPart() );
 }
 
 //------------------------------------------------------------------------
diff --git a/sc/source/ui/unoobj/textuno.cxx b/sc/source/ui/unoobj/textuno.cxx
index 881221b34..8ef269408 100644
--- a/sc/source/ui/unoobj/textuno.cxx
+++ b/sc/source/ui/unoobj/textuno.cxx
@@ -2,9 +2,9 @@
  *
  *  $RCSfile: textuno.cxx,v $
  *
- *  $Revision: 1.9 $
+ *  $Revision: 1.10 $
  *
- *  last change: $Author: sab $ $Date: 2001-06-13 17:02:55 $
+ *  last change: $Author: nn $ $Date: 2001-07-31 17:57:55 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -96,6 +96,7 @@
 #include "patattr.hxx"
 #include "cell.hxx"
 #include "docfunc.hxx"
+#include "scmod.hxx"
 
 using namespace com::sun::star;
 
@@ -274,31 +275,137 @@ ScHeaderFooterContentObj* ScHeaderFooterContentObj::getImplementation(
 
 //------------------------------------------------------------------------
 
+ScHeaderFooterTextData::ScHeaderFooterTextData( ScHeaderFooterContentObj& rContent,
+                                                    USHORT nP ) :
+    rContentObj( rContent ),
+    nPart( nP ),
+    pEditEngine( NULL ),
+    pForwarder( NULL ),
+    bDataValid( FALSE ),
+    bInUpdate( FALSE )
+{
+    rContentObj.acquire();				// must not go away
+    rContentObj.AddListener( *this );
+}
+
+ScHeaderFooterTextData::~ScHeaderFooterTextData()
+{
+    ScUnoGuard aGuard;		//	needed for EditEngine dtor
+
+    rContentObj.RemoveListener( *this );
+
+    delete pForwarder;
+    delete pEditEngine;
+
+    rContentObj.release();
+}
+
+void ScHeaderFooterTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
+{
+    if ( rHint.ISA( ScHeaderFooterChangedHint ) )
+    {
+        if ( ((const ScHeaderFooterChangedHint&)rHint).GetPart() == nPart )
+        {
+            if (!bInUpdate)				// not for own updates
+                bDataValid = FALSE;		// text has to be fetched again
+        }
+    }
+}
+
+SvxTextForwarder* ScHeaderFooterTextData::GetTextForwarder()
+{
+    if (!pEditEngine)
+    {
+        SfxItemPool* pEnginePool = EditEngine::CreatePool();
+        pEnginePool->FreezeIdRanges();
+        ScHeaderEditEngine* pHdrEngine = new ScHeaderEditEngine( pEnginePool, TRUE );
+
+        pHdrEngine->EnableUndo( FALSE );
+        pHdrEngine->SetRefMapMode( MAP_TWIP );
+
+        //	default font must be set, independently of document
+        //	-> use global pool from module
+
+        SfxItemSet aDefaults( pHdrEngine->GetEmptyItemSet() );
+        const ScPatternAttr& rPattern = (const ScPatternAttr&)SC_MOD()->GetPool().GetDefaultItem(ATTR_PATTERN);
+        rPattern.FillEditItemSet( &aDefaults );
+        //	FillEditItemSet adjusts font height to 1/100th mm,
+        //	but for header/footer twips is needed, as in the PatternAttr:
+        aDefaults.Put( rPattern.GetItem(ATTR_FONT_HEIGHT), EE_CHAR_FONTHEIGHT );
+        aDefaults.Put( rPattern.GetItem(ATTR_CJK_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CJK );
+        aDefaults.Put( rPattern.GetItem(ATTR_CTL_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CTL );
+        pHdrEngine->SetDefaults( aDefaults );
+
+        ScHeaderFieldData aData;
+        ScHeaderFooterTextObj::FillDummyFieldData( aData );
+        pHdrEngine->SetData( aData );
+
+        pEditEngine = pHdrEngine;
+        pForwarder = new SvxEditEngineForwarder(*pEditEngine);
+    }
+
+    if (bDataValid)
+        return pForwarder;
+
+    const EditTextObject* pData;
+    if (nPart == SC_HDFT_LEFT)
+        pData = rContentObj.GetLeftEditObject();
+    else if (nPart == SC_HDFT_CENTER)
+        pData = rContentObj.GetCenterEditObject();
+    else
+        pData = rContentObj.GetRightEditObject();
+
+    if (pData)
+        pEditEngine->SetText(*pData);
+
+    bDataValid = TRUE;
+    return pForwarder;
+}
+
+void ScHeaderFooterTextData::UpdateData()
+{
+    if ( pEditEngine )
+    {
+        bInUpdate = TRUE;	// don't reset bDataValid during UpdateText
+
+        rContentObj.UpdateText( nPart, *pEditEngine );
+
+        bInUpdate = FALSE;
+    }
+}
+
+//------------------------------------------------------------------------
+
 ScHeaderFooterTextObj::ScHeaderFooterTextObj( ScHeaderFooterContentObj& rContent,
                                                 USHORT nP ) :
-    rContentObj( rContent ),
-    nPart( nP )
+    aTextData( rContent, nP ),
+    pUnoText( NULL )
 {
-    rContentObj.acquire();		// darf nicht wegkommen
+    //	ScHeaderFooterTextData acquires rContent
+    //	pUnoText is created on demand (getString/setString work without it)
+}
 
-    //!	pUnoText erst bei Bedarf anlegen?
-    //	nicht einfach aggregieren, weil getString/setString selber gemacht wird
-    ScHeaderFooterEditSource aEditSource( &rContent, nP );
-    pUnoText = new SvxUnoText( &aEditSource, lcl_GetHdFtPropertyMap(), uno::Reference<text::XText>() );
-    pUnoText->acquire();
+void ScHeaderFooterTextObj::CreateUnoText_Impl()
+{
+    if ( !pUnoText )
+    {
+        //	can't be aggregated because getString/setString is handled here
+        ScSharedHeaderFooterEditSource aEditSource( &aTextData );
+        pUnoText = new SvxUnoText( &aEditSource, lcl_GetHdFtPropertyMap(), uno::Reference<text::XText>() );
+        pUnoText->acquire();
+    }
 }
 
 ScHeaderFooterTextObj::~ScHeaderFooterTextObj()
 {
-    rContentObj.release();
-
     if (pUnoText)
         pUnoText->release();
 }
 
-const SvxUnoText& ScHeaderFooterTextObj::GetUnoText() const
+const SvxUnoText& ScHeaderFooterTextObj::GetUnoText()
 {
-    DBG_ASSERT(pUnoText, "GetUnoText: NULL");
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return *pUnoText;
 }
 
@@ -316,6 +423,8 @@ uno::Reference<text::XTextCursor> SAL_CALL ScHeaderFooterTextObj::createTextCurs
                                                     throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->createTextCursorByRange(aTextPosition);
     //!	wie ScCellObj::createTextCursorByRange, wenn SvxUnoTextRange_getReflection verfuegbar
 }
@@ -336,6 +445,10 @@ rtl::OUString SAL_CALL ScHeaderFooterTextObj::getString() throw(uno::RuntimeExce
     ScUnoGuard aGuard;
     rtl::OUString aRet;
     const EditTextObject* pData;
+
+    USHORT nPart = aTextData.GetPart();
+    ScHeaderFooterContentObj& rContentObj = aTextData.GetContentObj();
+
     if (nPart == SC_HDFT_LEFT)
         pData = rContentObj.GetLeftEditObject();
     else if (nPart == SC_HDFT_CENTER)
@@ -366,7 +479,7 @@ void SAL_CALL ScHeaderFooterTextObj::setString( const rtl::OUString& aText ) thr
     ScHeaderEditEngine aEditEngine( EditEngine::CreatePool(), TRUE );
     aEditEngine.SetText( aString );
 
-    rContentObj.UpdateText( nPart, aEditEngine );
+    aTextData.GetContentObj().UpdateText( aTextData.GetPart(), aEditEngine );
 }
 
 void SAL_CALL ScHeaderFooterTextObj::insertString( const uno::Reference<text::XTextRange>& xRange,
@@ -374,6 +487,8 @@ void SAL_CALL ScHeaderFooterTextObj::insertString( const uno::Reference<text::XT
                                 throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     pUnoText->insertString( xRange, aString, bAbsorb );
 }
 
@@ -383,6 +498,8 @@ void SAL_CALL ScHeaderFooterTextObj::insertControlCharacter(
                                 throw(lang::IllegalArgumentException, uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     pUnoText->insertControlCharacter( xRange, nControlCharacter, bAbsorb );
 }
 
@@ -430,7 +547,7 @@ void SAL_CALL ScHeaderFooterTextObj::insertTextContent(
             aSelection.Adjust();
             aSelection.nEndPara = aSelection.nStartPara;
             aSelection.nEndPos = aSelection.nStartPos + 1;
-            pHeaderField->InitDoc( &rContentObj, nPart, aSelection );
+            pHeaderField->InitDoc( &aTextData.GetContentObj(), aTextData.GetPart(), aSelection );
 
             pTextRange->SetSelection( aSelection );
 
@@ -438,6 +555,8 @@ void SAL_CALL ScHeaderFooterTextObj::insertTextContent(
         }
     }
 
+    if (!pUnoText)
+        CreateUnoText_Impl();
     pUnoText->insertTextContent( xRange, xContent, bAbsorb );
 }
 
@@ -456,24 +575,32 @@ void SAL_CALL ScHeaderFooterTextObj::removeTextContent(
             return;
         }
     }
+    if (!pUnoText)
+        CreateUnoText_Impl();
     pUnoText->removeTextContent( xContent );
 }
 
 uno::Reference<text::XText> SAL_CALL ScHeaderFooterTextObj::getText() throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->getText();
 }
 
 uno::Reference<text::XTextRange> SAL_CALL ScHeaderFooterTextObj::getStart() throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->getStart();
 }
 
 uno::Reference<text::XTextRange> SAL_CALL ScHeaderFooterTextObj::getEnd() throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->getEnd();
 }
 
@@ -483,7 +610,8 @@ uno::Reference<container::XEnumerationAccess> SAL_CALL ScHeaderFooterTextObj::ge
                                                 throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
-    return new ScHeaderFieldsObj( &rContentObj, nPart, SC_SERVICE_INVALID );	// alle Felder
+    // all fields
+    return new ScHeaderFieldsObj( &aTextData.GetContentObj(), aTextData.GetPart(), SC_SERVICE_INVALID );
 }
 
 uno::Reference<container::XNameAccess> SAL_CALL ScHeaderFooterTextObj::getTextFieldMasters()
@@ -501,6 +629,8 @@ void SAL_CALL ScHeaderFooterTextObj::moveTextRange(
                                         throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     pUnoText->moveTextRange( xRange, nParagraphs );
 }
 
@@ -510,6 +640,8 @@ uno::Reference<container::XEnumeration> SAL_CALL ScHeaderFooterTextObj::createEn
                                                 throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->createEnumeration();
 }
 
@@ -518,12 +650,16 @@ uno::Reference<container::XEnumeration> SAL_CALL ScHeaderFooterTextObj::createEn
 uno::Type SAL_CALL ScHeaderFooterTextObj::getElementType() throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->getElementType();
 }
 
 sal_Bool SAL_CALL ScHeaderFooterTextObj::hasElements() throw(uno::RuntimeException)
 {
     ScUnoGuard aGuard;
+    if (!pUnoText)
+        CreateUnoText_Impl();
     return pUnoText->hasElements();
 }